[특허]Fluid transfer system having transfer device and dry break coupler

MARSHALL EXCELSIOR COMPANY

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Fluid transfer system having transfer device and dry break coupler

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-037/36 F16L-027/02 F16L-029/04 F17C-013/04 B67D-007/36
출원번호	US-0278507 (2014-05-15)
등록번호	US-9310003 (2016-04-12)
발명자 / 주소	Blanchard, Frederick W. Hoffman, Alex L.
출원인 / 주소	MARSHALL EXCELSIOR COMPANY
대리인 / 주소	Howard & Howard Attorneys PLLC
인용정보	피인용 횟수 : 1 인용 특허 : 34

초록
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A fluid transfer system includes a transfer device coupled to a dry break coupler. The transfer device includes a valve assembly moveable between an open and a closed position. The valve assembly includes a main valve moveable between a closed-main valve position and an open-main valve position in response to movement of an actuator and a pilot valve moveable between a closed-pilot valve position and an open-pilot valve position in response to movement of the actuator. A configuration of the coupler and the transfer device is coupled together, the coupler valve being in the closed-coupler valve position and the main valve being in the closed-main valve position. A space between a face of the main valve and a face of the coupler valve is minimized to reduce fluid emissions upon uncoupling the transfer device from the coupler.

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1. A fluid transfer system comprising: a coupler defining a coupler inlet and a coupler outlet and a coupler valve disposed therein and being moveable between an open-coupler valve position and a closed-coupler valve position;a transfer device defining an inlet and an outlet, an actuator having a grasping portion moveable fore and aft, said actuator moveable between a first position and a second position, and a valve assembly disposed therein and operatively coupled to said actuator, said valve assembly including a main valve moveable between a closed-main valve position and an open-main valve position in response to movement of said actuator and a pilot valve moveable between a closed-pilot valve position and an open-pilot valve position in response to movement of said actuator wherein said main valve is in said closed-main valve position and said pilot valve is in said closed-pilot valve position when said actuator is in said first position; andwherein a configuration of said coupler and said transfer device being coupled together, said coupler valve being in said closed-coupler valve position and said main valve being in said closed-main valve position, a space between a face of said main valve and a face of said coupler valve is located within said outlet of said transfer device to reduce fluid emissions upon uncoupling said transfer device from said coupler. 2. A fluid transfer system as set forth in claim 1 wherein said minimized space is achieved due to a proximity of said main valve to said outlet and a proximity of said coupler valve to said coupler inlet. 3. A fluid transfer system as set forth in claim 1 wherein said coupler valve includes a valve face of a circular shape. 4. A fluid transfer system as set forth in claim 1 wherein said main valve includes a valve face of a circular shape. 5. A fluid transfer system as set forth in claim 1 wherein said coupler includes a coupler spring continuously biasing said coupler valve in said closed-coupler valve position. 6. A fluid transfer system as set forth in claim 1 wherein said coupler valve includes a guide rod and a guide mount fixed to said coupler and slidably receiving said guide rod as said coupler valve moves between said open-coupler valve position and said closed-coupler valve position. 7. A fluid transfer system as set forth in claim 1 wherein said coupler includes a coupler seal on said coupler valve to prevent fluid from leaking out of said coupler when said coupler valve is in said closed-coupler valve position. 8. A fluid transfer system as set forth in claim 1 wherein said transfer device includes a rotatable connector for connection to said coupler. 9. A fluid transfer system as set forth in claim 8 wherein said connector includes a collar having threads. 10. A fluid transfer system as set forth in claim 9 wherein said coupler has a threaded portion adjacent said coupler inlet. 11. A fluid transfer system as set forth in claim 10 wherein said threads of said collar threadably engages said threaded portion in said configuration. 12. A fluid transfer system as set forth in claim 1 wherein said coupler includes a pressure relief valve. 13. A fluid transfer system comprising: a coupler including a coupler housing defining a coupler inlet and a coupler outlet, a coupler valve disposed in said coupler housing being moveable between an open-coupler valve position and a closed-coupler valve position, and a coupler spring continuously biasing said coupler valve in said closed-coupler valve position;a transfer device including a housing defining an inlet and an outlet, an actuator having a grasping portion moveable fore and aft, said actuator moveable between a first position and a second position relative to said housing, and a valve assembly disposed in said housing and operatively coupled to said actuator, said valve assembly including a main valve moveable between a closed-main valve position and an open-main valve position in response to movement of said actuator and a pilot valve moveable between a closed-pilot valve position and an open-pilot valve position in response to movement of said actuator wherein said main valve is in said closed-main valve position and said pilot valve is in said closed-pilot valve position when said actuator is in said first position; andwherein a configuration of said coupler and said transfer device being coupled together, said coupler valve being in said closed-coupler valve position and said main valve being in said closed-main valve position, a space between a face of said main valve and a coupler valve face of said coupler valve is an axial distance less than an axial thickness of said coupler valve face due to a proximity of said main valve to said outlet and a proximity of said coupler valve to said coupler inlet to reduce fluid emissions upon uncoupling said transfer device from said coupler. 14. A fluid transfer system as set forth in claim 13 wherein said transfer device includes a connector coupled to said housing for connection to said coupler. 15. A fluid transfer system as set forth in claim 14 wherein said connector includes a collar being rotatable relative to said housing and having threads. 16. A fluid transfer system as set forth in claim 15 wherein said coupler has a threaded portion on said coupler housing adjacent said coupler inlet. 17. A fluid transfer system as set forth in claim 16 wherein said threads of said collar threadably engages said threaded portion in said configuration. 18. A fluid transfer system as set forth in claim 13 wherein said coupler valve includes a valve face of a circular shape. 19. A fluid transfer system as set forth in claim 13 wherein said main valve includes a valve face of a circular shape. 20. A fluid transfer system comprising: a coupler defining a coupler bore, a coupler inlet, and a coupler outlet, a coupler valve disposed in said coupler bore being moveable between an open-coupler valve position and a closed-coupler valve position, a coupler seal disposed on said coupler valve to prevent fluid from leaking out of said coupler when said coupler valve is in said closed-coupler valve position, a coupler spring continuously biasing said coupler valve in said closed-coupler valve position, and a threaded portion adjacent said coupler inlet;a transfer device including a housing defining an inlet and an outlet, an actuator having a grasping portion moveable fore and aft, said actuator moveable between a first position and a second position relative to said housing, and a valve assembly disposed in said housing and operatively coupled to said actuator, said valve assembly including a main valve moveable between a closed-main valve position and an open-main valve position in response to movement of said actuator and a pilot valve moveable between a closed-pilot valve position and an open-pilot valve position in response to movement of said actuator wherein said main valve is in said closed-main valve position and said pilot valve is in said closed-pilot valve position when said actuator is in said first position, and a collar being coupled to said housing and rotatable relative to said housing, said collar including threads; andwherein said threads of said collar threadably engages said threaded portion of said coupler in a configuration of said coupler and said transfer device being coupled together and said coupler valve being in said closed-coupler valve position and said main valve being in said closed-main valve position, wherein said coupler valve extends through said coupler outlet an axial distance to form a space between a face of said main valve and a face of said coupler valve that is less than the axial distance due to a proximity of said main valve to said outlet and a proximity of said coupler valve to said coupler inlet to reduce fluid emissions upon uncoupling said transfer device from said coupler.

이 특허에 인용된 특허 (34)

이 특허를 인용한 특허 (1)

Blanchard, Frederick W.; Hoffman, Alex L., Fluid transfer device with quick-acting shutoff.

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Fluid transfer system having transfer device and dry break coupler

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Fluid transfer system having transfer device and dry break coupler

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이 특허에 인용된 특허 (34)

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