최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0930960 (2013-06-28) |
등록번호 | US-RE46009 (2016-05-24) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 1 인용 특허 : 22 |
A nozzle inhibitor is included in a fuel tank filler neck closure assembly. The nozzle inhibitor blocks full insertion of a small-diameter unleaded fuel nozzle into the filler neck closure assembly yet allows full insertion of a large-diameter diesel fuel nozzle into the filler neck closure assembly
A nozzle inhibitor is included in a fuel tank filler neck closure assembly. The nozzle inhibitor blocks full insertion of a small-diameter unleaded fuel nozzle into the filler neck closure assembly yet allows full insertion of a large-diameter diesel fuel nozzle into the filler neck closure assembly.
1. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one o
1. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter, andlock opening means for actuating the lock, wherein the lock opening means is disposed within the nozzle conduit, wherein the lock opening means is adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway, wherein the lock opening means cooperates with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, and wherein the lock opening means cooperates with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,wherein the lock comprises a variable-circumference band, operable with the lock opening means and the closure, to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter. 2. The fuel-dispensing nozzle inhibitor of claim 1, wherein the closure comprises a flapper door pivotably disposed adjacent to the bottom portion of the nozzle conduit. 3. The fuel-dispensing nozzle inhibitor of claim 2, wherein the closure further includes a return spring that operates with the flapper door to bias the flapper door into the closed position and to permit the flapper door to be pushed into the opened position when the fuel-dispensing nozzle applies an opening force on the flapper door anda door tongue included in the flapper door, that cooperates with the lock such that the door tongue is retained in the lock when the flapper door is in the closed position and is released from the lock when the flapper door is in the opened position. 4. The fuel-dispensing nozzle inhibitor of claim 3, wherein the flapper door further includes a pivot mount and a door plate arranged to interconnect the pivot mount and the door tongue, the return spring has a coiled portion with a first leg engaging the nozzle conduit and a second leg engaging the pivot mount of the flapper door, and the door tongue is cantilevered to the door plate and arranged to extend in a direction away from the pivot mount. 5. The fuel-dispensing nozzle inhibitor of claim 1, wherein the lock opening means comprises separate band movers disposed in an annular arrangement within the nozzle conduit,the variable-circumference band comprises spring material that surrounds the band movers and comprises first and second blockers,the blockers engage the closure when in the closed position, andthe blockers release the closure when in the opened position. 6. The fuel-dispensing nozzle inhibitor of claim 1, wherein the lock opening means includes push-head drivers andthe push-head drivers are substantially, equidistantly spaced with respect to one another in the nozzle conduit. 7. The fuel-dispensing nozzle inhibitor of claim 6, wherein, to release the closure, a majority of the push head drivers must contact the fuel-dispensing nozzle. 8. The fuel-dispensing nozzle inhibitor of claim 7, wherein the majority of push head drivers comprises all of the push head drivers. 9. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter, andlock opening means for actuating the lock, wherein the lock opening means is disposed within the nozzle conduit, wherein the lock opening means is adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway, wherein the lock opening means cooperates with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, and wherein the lock opening means cooperates with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,wherein the lock opening means comprises actuators that comprise push heads and push-head drivers,the push heads contact one another and foam a circular ring when the lock locks the closure in the closed position, andthe push-head drivers extend radially inwardly from an interior surface of the push heads and are adapted to contact a fuel-dispensing nozzle having the first diameter. 10. The fuel-dispensing nozzle inhibitor of claim 1, further comprising a guide housing disposed within the nozzle conduit to retain the lock opening means in radially slidable orientation with respect to the nozzle conduit. 11. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter, andlock opening means for actuating the lock, wherein the lock opening means is disposed within the nozzle conduit, wherein the lock opening means is adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway, wherein the lock opening means cooperates with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, and wherein the lock opening means cooperates with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,further comprising a guide housing disposed within the nozzle conduit to retain the lock opening means in radially slidable orientation with respect to the nozzle conduit,wherein the closure includes a flapper door including a door plate and a plurality of band-mover guards disposed on the door plate to engage the push heads when the closure is in the closed position. 12. The fuel-dispensing nozzle inhibitor of claim 9, wherein the lock comprises a variable-circumference band, operable with the lock opening means and the closure, to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter. 13. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter, andlock opening means for actuating the lock, wherein the lock opening means is disposed within the nozzle conduit, wherein the lock opening means is adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway, wherein the lock opening means cooperates with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, and wherein the lock opening means cooperates with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,wherein the lock opening means comprises actuators that comprise push heads and push-head drivers,the push heads contact one another and form a circular ring when the lock locks the closure in the closed position, andthe push-head drivers extend radially inwardly from an interior surface of the push heads and are adapted to contact a fuel-dispensing nozzle having the first diameter,wherein the lock comprises a variable-circumference band, operable with the lock opening means and the closure, to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter,wherein the variable-circumference band is a circular band comprising spring material that surrounds the lock opening means and comprises first and second blockers,the first and second blockers engage the closure when in the closed position, andthe first and second blockers release the closure when in the opened position. 14. The fuel-dispensing nozzle inhibitor of claim 1, wherein the fuel fill tube is capless. 15. The fuel-dispensing nozzle inhibitor of claim 1, wherein the first diameter is greater than or equal to about 23.5 mm and the second diameter is less than or equal to about 21.5 mm. 16. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter, andlock opening means for actuating the lock, wherein the lock opening means is disposed within the nozzle conduit, wherein the lock opening means is adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway, wherein the lock opening means cooperates with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, and wherein the lock opening means cooperates with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,wherein the lock opening means comprises actuators that comprise push heads and push-head drivers,the push heads contact one another and form a circular ring when the lock locks the closure in the closed position, andthe push-head drivers extend radially inwardly from an interior surface of the push heads and are adapted to contact a fuel-dispensing nozzle having the first diameter,wherein the lock comprises a variable-circumference band, operable with the lock opening means and the closure, to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter,wherein the variable-circumference band has end portions that overlap when the lock is in the closed position. 17. The fuel-dispensing nozzle inhibitor of claim 1, wherein the lock comprises separate band movers disposed in an annular arrangement within the nozzle conduit, andthe separate band movers are adapted to move away from each other when moving from the closed position to the opened position. 18. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter, andlock opening means for actuating the lock, wherein the lock opening means is disposed within the nozzle conduit, wherein the lock opening means is adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway, wherein the lock opening means cooperates with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, and wherein the lock opening means cooperates with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,further comprising a guide housing disposed within the nozzle conduit to retain the lock opening means in radially slidable orientation with respect to the nozzle conduit,wherein the separate band movers are disposed in an annular arrangement within the nozzle conduit and include guide posts, andthe guide housing comprises slots that cooperate with the guide posts to guide the separate band movers move away from each other from the closed position to the opened position. 19. The fuel-dispensing nozzle inhibitor of claim 17, wherein in the opened position, the separate band movers comprise an annular circumferential arrangement with narrow spaces between the separate band movers, andthe separate band movers are arranged to extend along the majority of the annular circumference with the narrow spaces comprising a relatively small portion of the circumference. 20. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising inhibitor means for preventing insertion of a small-diameter unleaded fuel-dispensing pump nozzle into a fuel-conducting passageway formed in a filler neck coupled to a vehicle fuel tank while allowing insertion of a large-diameter diesel fuel-dispensing pump nozzle into the fuel-conducting passageway formed in the filler neck, the inhibitor means including a nozzle conduit formed in the fill tube and formed to include a nozzle-receiving passageway, a flapper door mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, and a flapper-door anchor coupled to the nozzle conduit and associated with the flapper door, andwherein the flapper-door anchor includes a hoop-shaped flapper door lock and a multi-part lock opener coupled to the nozzle conduit and to the hoop-shaped flapper door lock,wherein the hoop-shaped flapper door lock includes a variable-circumference band that is expandable to change from a normal narrow-diameter mode characterized by a first diameter and circumference to a large-diameter mode characterized by a relatively larger second diameter and circumference, a first door-motion blocker coupled to a first end portion of the variable-circumference band, and a second door-motion blocker coupled to a second end portion of the variable-circumference band and arranged normally to cooperate with the first door-motion blocker to assume a drawn-together formation to trap the flapper door therebetween when the variable-circumference band assumes the narrow-diameter mode to retain the flapper door in a closed position closing the nozzle-receiving aperture,wherein the multi-part lock opener includes several band movers located in an interior region formed in the variable-circumference band and arranged to lie along an interior surface of the variable-circumference band in spaced relation to one another, andwherein the band movers cooperate to move relative to the variable-circumference band and to one another to expand the diameter and circumference of the variable-circumference band to assume the large-diameter mode and move the first and second door-motion blockers away from one another to assume a spread-apart formation disengaging the flapper door so as to release the flapper door in response to movement of the large-diameter fuel-dispensing nozzle through the nozzle-receiving passageway formed in the nozzle conduit to engage the band movers and move the band movers in radially outward directions to expand the variable-circumference band. 21. The assembly of claim 20, wherein the variable-circumference band is coiled normally to assume the narrow-diameter mode owing to elasticity of spring material formed to make the variable-circumference band, the variable-circumference band in the narrow-diameter mode is arranged to urge the band movers to move in radially inward directions toward a central axis passing through a space bounded by the variable-circumference band, each band mover is arranged in the space to contact a large-diameter fuel-dispensing nozzle moving through the space and to move radially outwardly away from the central axis to expand the variable-circumference band to cause the variable-circumference band to move from the narrow-diameter mode to assume the large-diameter mode, and the band movers are arranged in a spread pattern to cause at least some of the band movers to avoid contact with a small-diameter fuel-dispensing nozzle moving through the space to block expansion of the variable-circumference band so as to cause the variable-circumference band to remain in the narrow-diameter mode in response to movement of the small-diameter fuel-dispensing nozzle along the central axis and through the space. 22. The assembly of claim 21, wherein each band mover is arc-shaped and the variable-circumference band is arranged to apply a radially inwardly directed force to each band mover normally to arrange the band movers in a packed relationship forming a circle and causing ends of adjacent band movers to touch when the variable-circumference band assumes the narrow-diameter mode. 23. The assembly of claim 22, wherein each band mover includes an actuator and a guide coupled to the actuator and arranged to extend into and move back and forth in a slot formed in the nozzle conduit during movement of the actuator relative to the nozzle conduit in response to a force applied to the actuator by a large-diameter fuel-dispensing nozzle moving along the central axis and in the space. 24. The assembly of claim 23, wherein the guide includes a lower guide post coupled to a bottom of the actuator and arranged to extend in a first direction away from the actuator into a companion first slot formed in the nozzle conduit and an upper guide post coupled to a top of the actuator and arranged to extend in an opposite second direction away from the actuator into a companion second slot formed in the nozzle conduit. 25. The assembly of claim 23, wherein the actuator includes a push-head driver formed to include a sloped ramp arranged to provide means for engaging a tip of a moving large-diameter fuel-dispensing nozzle moving downwardly along the central axis through the space, the push-head driver is arranged to move radially outwardly away from the central axis in response to application of an external force to the sloped ramp by the moving large-diameter fuel-dispensing nozzle, the actuator further includes a push head including an exterior wall arranged to confront the interior surface of the variable-circumference band and an interior wall arranged to face toward the central axis, and the push-head driver is coupled to the interior wall of the push head to urge the push head to move away from the central axis to apply an expansion force to the interior surface variable-circumference band to expand the variable-circumference band to assume the large-diameter mode in response to radially outward movement of the push-head driver. 26. The assembly of claim 20, wherein the flapper door includes a pivot mount, a door tongue, and a door plate arranged to interconnect the pivot mount and the door tongue, the pivot mount is coupled to the nozzle conduit to support the flapper door for pivotable movement about a pivot axis between the opened and closed positions, and the first and second door-motion blockers cooperate in the drawn-together formation to mate with and restrain the door tongue when the flapper door is in the closed position to block pivotable movement of the flapper door from the closed position toward an opened position. 27. The assembly of claim 26, wherein the variable-circumference band is made of an elastic material configured normally to establish variable-circumference band in the narrow-diameter mode, includes a curved strip having the first and second end portions, and the first and second end portions are arranged to lie in side-by-side relation to one another to move relative to one another in slip-sliding relation during change of the variable-circumference band between the narrow-diameter mode and the large-diameter mode. 28. The assembly of claim 27, wherein each of the first and second door-motion blockers is L-shaped and includes a downwardly extending blade cantilevered to the variable-circumference band and an inwardly extending latch finger coupled to a free end of a companion downwardly extending blade, the inwardly extending latch finger of the first door-motion blocker extends in a first direction, and the inwardly extending latch finger of the second door-motion blocker extends in an opposite second direction toward the inwardly extending latch finger of the first door-motion blocker. 29. The assembly of claim 28, wherein the flapper door is formed to include a downwardly opening lug receiver channel and the hoop-shaped flapper door lock further includes a first retainer lug coupled to the first door-motion blocker and arranged to extend upwardly toward the downwardly opening lug receiver channel. 30. The assembly of claim 28, wherein the door tongue extends into a space bordered in part by the first and second end portions of the variable-circumference band, spaced-apart portions of the downwardly extending blades of the first and second door-motion blockers, and end-to-end portions of the first and second door-motion blockers. 31. The assembly of claim 27, wherein the hoop-shaped flapper door lock further includes an anti-rotation tab coupled to the curved strip of the variable-circumference band and arranged to extend into a channel formed in the nozzle conduit to provide means for blocking an operator from using an unauthorized fuel-dispensing nozzle to pull on one of the first and second door-motion blockers more than another of the first and second door-motion blockers in an attempt to unlock the hoop-shaped flapper door lock by separating the first and second door-motion blockers from the door tongue of the flapper door. 32. The assembly of claim 26, wherein the flapper door further includes a pair of upstanding band-mover guards coupled to the door plate and arranged to extend upwardly toward a fuel-dispensing nozzle moving through the nozzle-receiving passageway toward the door plate and the pair of upstanding band-mover guards is formed to include a channel therebetween to receive a nose portion of one of the push-head drivers when the variable-circumference band has assumed the narrow-diameter mode. 33. The assembly of claim 32, wherein the flapper door includes several more pairs of upstanding band-mover guards coupled to the door plate and arranged to extend upwardly toward a fuel-dispensing nozzle moving through the nozzle-receiving passageway toward the door plate and the pairs of upstanding band-mover guards cooperate to define means for blocking movement of a small-diameter fuel-dispensing nozzle in the space formed in the variable-circumference band to cause all of the band movers to move in radially outward directions to expand the circumference of the variable-circumference band and thus unlock the hoop-shaped flapper door lock by separating the first and second door-motion blockers from the door tongue of the flapper door. 34. The assembly of claim 20, further comprising an inhibitor housing adapted to be coupled to an outer end of a filler neck and formed to include floater means for supporting the nozzle conduit for lateral floating movement in an interior region of the fill tube relative to the fill tube to block unauthorized attempts by an operator to use a small-diameter fuel-dispensing nozzle to unlock a normally locked flapper door to regulate admission of fuel-dispensing nozzles through the fill tube and the nozzle-receiving aperture formed in the wall of the fill tube. 35. The assembly of claim 34, wherein the nozzle conduit includes a support flange, the inhibitor housing is formed to include an interior region and a flange-receiving space opening into the interior region of the inhibitor housing and defining the floater means, and the support flanges extend into the flange-receiving space to allow lateral floating movement of the nozzle conduit in the interior region of the inhibitor housing during unauthorized attempts to use a small-diameter fuel-dispensing nozzle to unlock the normally locked flapper door. 36. The assembly of claim 35, wherein the inhibitor housing includes a base adapted to be coupled to an outer end of a filler neck and formed to include the interior region of the inhibitor housing and a crown coupled to an outer portion of the base to form the flange-receiving space therebetween. 37. The assembly of claim 36, wherein the crown includes an interior block located in spaced-apart relation to the base to define the flange-receiving space therebetween and an outer shell arranged to surround and mate with the interior block and coupled to the base to retain the interior block in a stationary position relative to the base. 38. The assembly of claim 35, wherein the nozzle conduit further includes a carrier shell and a guide housing coupled to the carrier shell to move therewith in the interior region of the inhibitor housing, the flapper door is coupled to the guide housing, and the carrier shell is formed to include the support flange. 39. The assembly of claim 38, wherein the carrier shell includes a housing mount coupled to the support flange and to the guide housing. 40. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising inhibitor means for preventing insertion of a small-diameter unleaded fuel-dispensing pump nozzle into a fuel-conducting passageway formed in a filler neck coupled to a vehicle fuel tank while allowing insertion of a large-diameter diesel fuel-dispensing pump nozzle into the fuel-conducting passageway formed in the filler neck, the inhibitor means including a nozzle conduit formed in the fill tube and formed to include a nozzle-receiving passageway, a flapper door mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, and a flapper-door anchor coupled to the nozzle conduit and associated with the flapper door, and wherein the flapper-door anchor includes a hoop-shaped flapper door lock and wherein the hoop-shaped flapper door lock includes a variable-circumference band that is expandable to change from a normal narrow-diameter mode characterized by a first diameter and circumference to a large-diameter mode characterized by a relatively larger second diameter and circumference, a first door-motion blocker coupled to a first end portion of the variable-circumference band, and a second door-motion blocker coupled to a second end portion of the variable-circumference band and arranged normally to cooperate with the first door-motion blocker to assume a drawn-together formation to trap the flapper door therebetween when the variable-circumference band assumes the narrow-diameter mode to retain the flapper door in a closed position closing the nozzle-receiving aperture. 41. The assembly of claim 40, wherein the flapper door includes a pivot mount, a door tongue, and a door plate arranged to interconnect the pivot mount and the door tongue, the pivot mount is coupled to the nozzle conduit to support the flapper door for pivotable movement about a pivot axis between the opened and closed positions, and the first and second door-motion blockers cooperate in the drawn-together formation to mate with and restrain the door tongue when the flapper door is in the closed position to block pivotable movement of the flapper door from the closed position toward an opened position. 42. The assembly of claim 41, wherein the flapper door is formed to include a downwardly opening lug receiver channel and the hoop-shaped flapper door lock further includes a first retainer lug coupled to the first door-motion blocker and arranged to extend upwardly toward the downwardly opening lug receiver channel. 43. The assembly of claim 41, wherein the variable-circumference band is made of an elastic material configured normally to establish variable-circumference band in the narrow-diameter mode, includes a curved strip having the first and second end portions, and the first and second end portions are arranged to lie in side-by-side relation to one another to move relative to one another in slip-sliding relation during change of the variable-circumference band between the narrow-diameter mode and the large-diameter mode. 44. The assembly of claim 43, wherein each of the first and second door-motion blockers is L-shaped and includes a downwardly extending blade cantilevered to the variable-circumference band and an inwardly extending latch finger coupled to a free end of a companion downwardly extending blade, the inwardly extending latch finger of the first door-motion blocker extends in a first direction, and the inwardly extending latch finger of the second door-motion blocker extends in an opposite second direction toward the inwardly extending latch finger of the first door-motion blocker. 45. The assembly of claim 44, wherein the flapper door is formed to include a downwardly opening lug receiver channel, the hoop-shaped flapper door lock further includes a first retainer lug coupled to the first door-motion blocker and arranged to extend upwardly toward the downwardly opening lug receiver channel, the first retainer lug is coupled to a free end of the inwardly extending latch flinger of the first door-motion blocker, and the second retainer lug is coupled to a free end of the inwardly extending latch finger of the second door-motion blocker. 46. The assembly of claim 43, wherein the hoop-shaped flapper door lock further includes an anti-rotation tab coupled to the curved strip of the variable-circumference band and arranged to extend into a channel formed in the nozzle conduit to provide means for blocking an operator from using an unauthorized fuel-dispensing nozzle to pull on one of the first and second door-motion blockers more than another of the first and second door-motion blockers in an attempt to unlock the hoop-shaped flapper door lock by separating the first and second door-motion blockers from the door tongue of the flapper door. 47. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube,wherein the fuel fill tube is constructed to direct fuel to a fuel tank, andwherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit,wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, andwherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock comprising a variable-circumference band that retains the closure in a closed position if the fuel-dispensing nozzle has the second diameter and releases the closure if the fuel-dispensing nozzle has the first diameter, anda plurality of independently operable actuators within the nozzle conduit,wherein the actuators are adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway,wherein the actuators cooperate with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, andwherein the actuators cooperate with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter. 48. The fuel-dispensing nozzle inhibitor of claim 47, wherein the closure is a flapper door pivotably disposed adjacent to the bottom portion of the nozzle conduit. 49. The fuel-dispensing nozzle of claim 48, wherein the closure further includes a return spring that operates with the flapper door to bias the flapper door into the closed position and to permit the flapper door to be pushed into the opened position when the fuel-dispensing nozzle applies an opening force on the flapper door, anda door tongue, included in the flapper door, that cooperates with the lock such that the door tongue is retained in the lock when the flapper door is in the closed position and is released from the lock when the flapper door is in the opened position. 50. The fuel-dispensing nozzle inhibitor of claim 49, wherein the flapper door further includes a pivot mount and a door plate arranged to interconnect the pivot mount and the door tongue, the return spring has a coiled portion, a first leg engaging the nozzle conduit, and a second leg engaging the pivot mount of the flapper door, and the door tongue is cantilevered to the door plate and arranged to extend in a direction away from the pivot mount. 51. The fuel-dispensing nozzle inhibitor of claim 47, wherein the lock comprises a variable-circumference band, operable with the actuators and the closure, to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter. 52. The fuel-dispensing nozzle inhibitor of claim 47, wherein the actuators are slidably mounted within the nozzle conduit and move in a radial direction with respect to a centerline of the nozzle conduit. 53. The fuel-dispensing nozzle inhibitor of claim 51, wherein the variable-circumference band is a band spring that surrounds the actuators and comprises first and second blockers,the blockers engage the closure when in the closed position, andthe blockers release the closure when in the opened position. 54. The fuel-dispensing nozzle inhibitor of claim 47, wherein each of the actuators includes a push-head driver, andthe push-head drivers are substantially, equidistantly spaced with respect to one another in the nozzle conduit. 55. The fuel-dispensing nozzle of claim 54, wherein, to release the closure, a majority of the push-head drivers must contact the fuel-dispensing nozzle. 56. The fuel-dispensing nozzle of claim 55, wherein the majority of the push-head drivers comprises all of the push-head drivers. 57. The fuel-dispensing nozzle inhibitor of claim 47, wherein the fuel fill tube is capless. 58. The fuel-dispensing nozzle inhibitor of claim 47, wherein the first diameter is greater than or equal to about 23.5 mm and the second diameter is less than or equal to about 21.5 mm. 59. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube,wherein the fuel fill tube is constructed to direct fuel to a fuel tank, andwherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit,wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, andwherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock that retains the closure in a closed position if the fuel-dispensing nozzle has the second diameter and releases the closure if the fuel-dispensing nozzle has the first diameter, anda plurality of independently operable actuators within the nozzle conduit,wherein the actuators are adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway,wherein the actuators cooperate with the lock to release the closure if the fuel-dispensing nozzle has the first diameter, andwherein the actuators cooperate with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,wherein the lock comprises a variable-circumference band, operable with the actuators and the closure, to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter, andwherein the variable-circumference band has end portions that overlap when the lock is in the closed position. 60. The fuel-dispensing nozzle inhibitor of claim 47, wherein the lock comprises separate band movers disposed in an annular arrangement within the nozzle conduit, andthe separate band movers are adapted to move away from each other when moving from the closed position to the opened position. 61. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit positionable on a fuel fill tube,wherein the fuel fill tube is constructed to direct fuel to a fuel tank, andwherein the nozzle conduit defines a nozzle-receiving passageway for receiving a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit,wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, andwherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter,a lock that retains the closure in a closed position if the fuel-dispensing nozzle has the second diameter and releases the closure if the fuel-dispensing nozzle has the first diameter, anda plurality of independently operable actuators within the nozzle conduit,wherein the actuators are adapted to contact the fuel-dispensing nozzle when inserted into the nozzle-receiving passageway,wherein the actuators cooperate with the lock to release the closure if the fuel-dispensing nozzle has the first diameter,wherein the actuators cooperate with the lock to maintain the lock in the closed position if the fuel-dispensing nozzle has the second diameter,separate band movers disposed in an annular arrangement within the nozzle conduit, andthe separate band movers are adapted to move away from each other when moving from the closed position to the opened position,wherein the separate band movers include guide posts, andthe guide housing comprises slots that cooperate with the guide posts to guide the separate band movers move away from each other from the closed position to the opened position. 62. The fuel-dispensing nozzle inhibitor of claim 60, wherein, in the opened position, the separate band movers comprise an annular circumferential arrangement with narrow spaces between the separate band movers, the separate band movers extending along the majority of the annular circumference with the narrow spaces comprising a relatively small portion of the circumference. 63. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising inhibitor means for preventing insertion of a small-diameter unleaded fuel-dispensing pump nozzle into a fuel-conducting passageway formed in a filler neck coupled to a vehicle fuel tank while allowing insertion of a large-diameter diesel fuel-dispensing pump nozzle into the fuel-conducting passageway formed in the filler neck, the inhibitor means including a nozzle conduit formed in the fill tube and formed to include a nozzle-receiving passageway, a flapper door mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, and a flapper-door anchor coupled to the nozzle conduit and associated with the flapper door, andwherein the flapper-door anchor includes a hoop-shaped flapper door lock and a multi-part lock opener coupled to the nozzle conduit and to the hoop-shaped flapper door lock,wherein the hoop-shaped flapper door lock includes a variable-circumference band that is expandable to change from a normal narrow-diameter mode characterized by a first diameter and circumference to a large-diameter mode characterized by a relatively larger second diameter and circumference, a first door-motion blocker coupled to a first end portion of the variable-circumference band, and a second door-motion blocker coupled to a second end portion of the variable-circumference band and arranged normally to cooperate with the first door-motion blocker to assume a drawn-together formation to trap the flapper door therebetween when the variable-circumference band assumes the narrow-diameter mode to retain the flapper door in a closed position closing the nozzle-receiving aperture,wherein the multi-part lock opener includes several band movers located in an interior region formed in the variable-circumference band and arranged to lie along an interior surface of the variable-circumference band, andwherein the band movers cooperate to move relative to the variable-circumference band and to one another to expand the diameter and circumference of the variable-circumference band to assume the large-diameter mode and move the first and second door-motion blockers away from one another to assume a spread-apart formation disengaging the flapper door so as to release the flapper door in response to movement of the large-diameter fuel-dispensing nozzle through the nozzle-receiving passageway formed in the nozzle conduit to engage the band movers and move the band movers in radially outward directions to expand the variable-circumference band. 64. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising a nozzle inhibitor configured to prevent insertion of a small-diameter unleaded fuel-dispensing pump nozzle into a fuel-conducting passageway formed in a filler neck coupled to a vehicle fuel tank while allowing insertion of a large-diameter diesel fuel-dispensing pump nozzle into the fuel-conducting passageway formed in the filler neck, the nozzle inhibitor including a nozzle conduit formed to include a nozzle-receiving passageway, a door mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, and a door anchor coupled to the nozzle conduit and associated with the door, andan inhibitor housing formed to include an interior region receiving the nozzle inhibitor and means for supporting the nozzle conduit for lateral floating movement in the interior region of the inhibitor housing relative to the inhibitor housing to block unauthorized attempts by an operator to use a small-diameter fuel-dispensing nozzle to unlock a normally locked door to regulate admission of fuel-dispensing nozzles through the filler neck and the nozzle-receiving aperture formed in the wall of the filler neck, wherein the means for supporting the nozzle conduit provides a flange-receiving space surrounding the interior region of the inhibitor housing. 65. The assembly of claim 64, wherein the nozzle conduit includes a support flange and the support flange extends into the flange-receiving space provided by the means for supporting the nozzle conduit to allow lateral floating movement of the nozzle conduit in the interior region of the inhibitor housing. 66. The assembly of claim 65, wherein the inhibitor housing includes a base formed to define at least a portion the interior region of the inhibitor housing and a crown coupled to an outer portion of the base and the means for supporting the nozzle conduit includes a surface provided on the base and a surface provided on the crown and arranged to cooperate with the surface provided on the base to form a boundary of the flange-receiving space. 67. The assembly of claim 66, wherein the crown includes an interior block and an outer shell, the surface provided on the crown is included in the outer shell, and the means for supporting the nozzle conduit further includes a surface provided on the interior block and arranged to lie above and in spaced-apart relation to the surface provided on the base. 68. The assembly of claim 64, wherein the door anchor includes a hoop-shaped door lock and a lock opener coupled to the nozzle conduit and to the hoop-shaped door lock. 69. The assembly of claim 68, wherein the hoop-shaped door lock includes an expandable band that is expandable to change from a normal narrow-diameter mode characterized by a first diameter to a large-diameter mode characterized by a relatively larger second diameter, a first door-motion blocker coupled to a first end portion of the expandable band, and a second door-motion blocker coupled to a second end portion of the expandable band and arranged normally to cooperate with the first door-motion blocker to assume a drawn-together formation to trap the door therebetween when the expandable band assumes the narrow-diameter mode to retain the door in a closed position closing the nozzle-receiving aperture. 70. The assembly of claim 69, wherein the lock opener includes several band movers located in an interior region formed in the expandable band and arranged to lie along an interior surface of the expandable band in spaced-apart relation to one another. 71. The assembly of claim 70, wherein the band movers cooperate to move relative to the expandable band and to one another to expand the diameter of the expandable band to assume the large-diameter mode and move the first and second door-motion blockers away from one another to assume a spread-apart formation disengaging the door so as to release the door in response to movement of the large-diameter fuel-dispensing nozzle through the nozzle-receiving passageway formed in the nozzle conduit to engage the band movers and move the band movers in radially outward directions to expand the expandable band. 72. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising a nozzle inhibitor configured to prevent insertion of a small-diameter unleaded fuel-dispensing pump nozzle into a fuel-conducting passageway formed in a filler neck coupled to a vehicle fuel tank while allowing insertion of a large-diameter diesel fuel-dispensing pump nozzle into the fuel-conducting passageway, the nozzle inhibitor including a nozzle conduit formed to include a nozzle-receiving passageway, a door mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, and a door anchor coupled to the nozzle conduit and associated with the door, and wherein the door anchor includes a hoop-shaped door lock and the hoop-shaped door lock includes a band that is expandable to change from a normal narrow-diameter mode characterized by a first diameter to a large-diameter mode characterized by a relatively larger second diameter, a first door-motion blocker coupled to a first end portion of the band, and a second door-motion blocker coupled to a second end portion of the band and arranged normally to cooperate with the first door-motion blocker to assume a drawn-together formation to trap the door therebetween when the band assumes the narrow-diameter mode to retain the door in a closed position closing the nozzle-receiving aperture,wherein the door includes a pivot mount, a door tongue, and a door plate arranged to interconnect the pivot mount and the door tongue, the pivot mount is coupled to the nozzle conduit to support the door for pivotable movement about a pivot axis between the opened and closed positions, and the first and second door-motion blockers cooperate in the drawn-together formation to mate with and restrain the door tongue when the door is in the closed position to block pivotable movement of the door from the closed position toward an opened position, andwherein the door is formed to include a channel and the hoop-shaped door lock further includes a first lug coupled to the first door-motion blocker and arranged to extend upwardly toward the channel. 73. The assembly of claim 72, wherein each of the first and second door-motion blockers is L-shaped and includes a downwardly extending blade cantilevered to the band and an inwardly extending latch finger coupled to a free end of a companion downwardly extending blade, the inwardly extending latch finger of the first door-motion blocker extends in a first direction, and the inwardly extending latch finger of the second door-motion blocker extends in an opposite second direction toward the inwardly extending latch finger of the first door-motion blocker. 74. The assembly of claim 73, wherein the first lug is coupled to a free end of the inwardly extending latch finger of the first door-motion blocker and is arranged to extend upwardly into the channel. 75. The assembly of claim 74, wherein the hoop-shaped door lock further includes a second lug coupled to the second door-motion blocker and arranged to extend upwardly into the channel, and the second lug is coupled to a free end of the inwardly extending latch finger of the second door-motion blocker. 76. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising an inhibitor housing including a base formed to include an aperture extending around an axis, an interior block formed to include a first opening extending around the axis, and a shell coupled to the base and to the interior block to hold the interior block relative to the base so that the first opening formed in the block is spaced apart from the aperture formed in the base along the axis to define a receiving space between the base and the interior block, the receiving space being arranged to extend around the aperture formed in the base and the first opening being formed in the interior block, anda nozzle inhibitor including a nozzle conduit formed to include a nozzle-receiving passageway and a closure mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway,wherein the nozzle conduit includes a side wall arranged to extend at least partway around the nozzle-receiving passageway and a support member arranged to lie radially outward of the side wall and arranged to lie in the receiving space between the base and the interior block to allow floating movement of the nozzle inhibitor radially relative to the inhibitor housing. 77. The assembly of claim 76, wherein the base includes a first wall formed to include the aperture and a second wall spaced apart from the aperture and arranged to extend from the first wall along the axis to define an interior region of the base and at least a portion of the nozzle inhibitor is arranged to lie in the interior region of the base. 78. The assembly of claim 77, wherein the interior block is formed to include a second opening larger than the first opening and a funnel-shaped nozzle guide surface arranged to extend from the first opening to the second opening to define an interior passageway extending between the first opening and the second opening. 79. The assembly of claim 76, wherein the closure includes a door coupled to the nozzle conduit to pivot relative to the nozzle conduit and a return spring coupled to the door and to the nozzle conduit. 80. The assembly of claim 79, wherein the nozzle inhibitor includes a door lock including an expandable band that is expandable to change from a normal narrow-diameter mode characterized by a first diameter to a large-diameter mode characterized by a relatively larger second diameter, a first door-motion blocker, and a second door-motion blocker and arranged normally to cooperate with the first door-motion blocker to assume a drawn-together formation to trap the door therebetween when the expandable band assumes the narrow-diameter mode to retain the door in a closed position closing the nozzle-receiving aperture. 81. The assembly of claim 80, wherein the door is formed to include a channel and the door lock further includes a first lug coupled to the first door-motion blocker and arranged to extend upwardly toward the channel and a second lug coupled to the second door-motion blocker and arranged to extend upwardly toward the channel. 82. The assembly of claim 81, wherein the first lug and the second lug extend into the channel. 83. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising an inhibitor housing including a base formed to include an aperture arranged to receive an axis, an interior block formed to include a first opening arranged to receive the axis, and a shell coupled to the base and to the interior block to hold the interior block relative to the base so that the first opening formed in the interior block is spaced apart from the aperture formed in the base along the axis to define a receiving space between the base and the interior block, the receiving space being arranged radially outward of the aperture and the first opening relative to the axis,a nozzle inhibitor including a nozzle conduit formed to include a nozzle-receiving passageway and a closure mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, anda support member arranged to lie in the receiving space formed between the base and the interior block and to interact with the inhibitor housing and the nozzle inhibitor to allow floating movement of the nozzle inhibitor radially relative to the inhibitor housing. 84. The assembly of claim 83, wherein the base includes a first wall formed to include the aperture and a second wall spaced apart from the aperture and arranged to extend from the first wall along the axis to define an interior region of the base and at least a portion of the nozzle inhibitor is arranged to lie in the interior region of the base. 85. The assembly of claim 83, wherein the interior block is formed to include a second opening larger than the first opening and a funnel-shaped nozzle guide surface is arranged to extend from the first opening to the second opening to define an interior passageway extending between the first opening and the second opening. 86. A filler neck closure assembly associated with a vehicle fuel tank filler neck, the assembly comprising an inhibitor housing including a base formed to include an aperture extending around an axis, an interior collar formed to include a first opening extending around the axis, and a shell coupled to the base and to the interior collar to hold the interior collar relative to the base so that the first opening formed in the interior collar is spaced apart from the aperture formed in the base along the axis to define a receiving space between the base and the interior collar, the receiving space arranged around the aperture formed in the base and the first opening formed in the interior collar,a nozzle inhibitor including a nozzle conduit formed to include a nozzle-receiving passageway and a closure mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, anda support member arranged to lie in the receiving space between the base and the interior collar and to interact with the inhibitor housing and the nozzle inhibitor. 87. A fuel-dispensing nozzle inhibitor comprising a nozzle conduit adapted for use with a fuel fill tube, wherein the fuel fill tube is constructed to direct fuel to a fuel tank, and wherein the nozzle conduit defines a nozzle-receiving passageway configured to receive a fuel-dispensing nozzle with at least one of a first diameter selected for a first fuel type and a second diameter for a second fuel type, the second diameter being smaller than the first diameter,a closure positioned adjacent to a bottom portion of the nozzle conduit, wherein the closure has an opened position to permit insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the first diameter, and wherein the closure has a closed position to prevent insertion of the fuel-dispensing nozzle past the closure if the fuel-dispensing nozzle has the second diameter, anda lock configured to retain the closure in a closed position if the fuel-dispensing nozzle has the second diameter and to release the closure if the fuel-dispensing nozzle has the first diameter,wherein the lock comprises an expandable band to bias the lock to retain the closure in the closed position and permit release of the closure if the fuel-dispensing nozzle has the first diameter, a downwardly-extending door-motion blocker, and an upwardly-extending lug coupled to the downwardly-extending door motion blocker. 88. A filler neck closure assembly comprising an inhibitor housing including a base formed to include an aperture arranged to receive an axis, a crown formed to include a first opening arranged to receive the axis, the aperture being formed in the base to lie in spaced-apart relation from the first opening formed in the crown along the axis to define a receiving space between the base, and the crown being arranged radially to lie outward of the aperture and the first opening relative to the axis,a nozzle inhibitor including a nozzle conduit formed to include a nozzle-receiving passageway and a closure mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, anda support member arranged to extend into the receiving space and to interact with the inhibitor housing and the nozzle inhibitor to allow floating movement of the nozzle inhibitor radially relative to the inhibitor housing. 89. The filler neck closure assembly of claim 88, wherein the support member is arranged to interact with the inhibitor housing and the nozzle inhibitor to support the nozzle inhibitor in a selected axial position relative to the inhibitor housing. 90. The filler neck closure assembly of claim 88, wherein the closure includes a door having a door plate and a door tongue formed to include a channel, and wherein the nozzle inhibitor includes a lock having an expandable band, a first downwardly-extending motion blocker coupled to the expandable band, a second downwardly-extending motion blocker coupled to the expandable band, a first lug extending upwardly from the first downwardly-extending motion blocker into the channel formed in the door tongue, and a second lug extending upwardly from the second downwardly-extending motion blocker into the channel formed in the door tongue. 91. The filler neck closure assembly of claim 88, wherein the support member is coupled to the nozzle inhibitor. 92. A nozzle inhibitor comprising a nozzle conduit formed to include a nozzle-receiving passageway,a door mounted for movement relative to the nozzle conduit to open and close the nozzle-receiving passageway, the door including a door plate and a door tongue formed to include a channel, anda lock including an expandable band, a first downwardly-extending motion blocker coupled to the expandable band, a second downwardly-extending motion blocker coupled to the expandable band, a first lug extending upwardly from the first downwardly-extending motion blocker toward the channel formed in the door tongue, and a second lug extending upwardly from the second downwardly-extending motion blocker toward the channel formed in the door tongue. 93. The nozzle inhibitor of claim 92, wherein the first lug is arranged to extend into the channel formed in the door tongue and the second lug is arranged to extend into the channel formed in the door tongue. 94. A filler neck closure assembly comprising a nozzle inhibitor housing formed to include an interior region adapted to receive a fuel-dispensing nozzle and arranged to extend along a vertical axis and communicate with a filler neck coupled to a fuel tank and formed to include a receiving space arranged to surround and communicate with the interior region anda nozzle inhibitor formed to include a nozzle-receiving passageway adapted to receive a fuel-dispensing nozzle and arranged to extend along the vertical axis and communicate with the interior region formed in the nozzle inhibitor housing, wherein the nozzle inhibitor includes a closure arranged normally to close the nozzle-receiving passageway to regulate admission of a fuel-dispensing nozzle through the nozzle-receiving passageway formed in the nozzle inhibitor through the interior region formed in the nozzle inhibitor housing toward a filler neck associated with the nozzle inhibitor housing and the nozzle inhibitor is supported in the receiving space for lateral floating movement in the interior region formed in the nozzle inhibitor housing relative to the vertical axis in response to lateral movement of a fuel-dispensing nozzle in the interior region relative to the vertical axis. 95. The assembly of claim 94, wherein the nozzle inhibitor is constrained to lie in a fixed axial position in the nozzle inhibitor housing yet is free to float laterally relative to the nozzle inhibitor housing. 96. The assembly of claim 95, wherein the nozzle inhibitor is mounted to float in radially outward and inward directions relative to the vertical axis. 97. The assembly of claim 95, wherein the nozzle inhibitor is free to move laterally from a normal centered position in which a center of the nozzle inhibitor is aligned with the vertical axis to an off-center position in which the center of the nozzle inhibitor is separated from the vertical axis. 98. The assembly of claim 94, wherein the receiving space is formed between a stationary bottom surface and a stationary top surface and a surrounding outer surface to open toward the vertical axis and is characterized by a predetermined volume.
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