A shut-off valve that has a closure orifice, a closure member to open and close a gas passage through the shut-off valve, an electromagnetic actuator including a movable assembly attached to the closure member, the closure member, and an electromagnetic filed generator magnetically associated with t
A shut-off valve that has a closure orifice, a closure member to open and close a gas passage through the shut-off valve, an electromagnetic actuator including a movable assembly attached to the closure member, the closure member, and an electromagnetic filed generator magnetically associated with the movable assembly. The shut-off valve also includes a manual actuator for acting on the movable assembly, the manual actuator comprising an open position in which it is decoupled from the movable assembly, the electromagnetic actuator thus being able to act on the closure member to cause its closure.
대표청구항▼
1. A shut-off valve comprising: an inlet conduit and an outlet conduit,a closure orifice disposed between the inlet conduit and the outlet conduit,a closure member movable between an open position and a closed position, in the open position the closure member is positioned away from the closure orif
1. A shut-off valve comprising: an inlet conduit and an outlet conduit,a closure orifice disposed between the inlet conduit and the outlet conduit,a closure member movable between an open position and a closed position, in the open position the closure member is positioned away from the closure orifice to permit fluid communication between the inlet and outlet conduits, in the closed position the closure member interfaces with the closure orifice to prevent fluid communication between the inlet and outlet conduits,an electromagnetic actuator assembly comprising an electromagnetic field generator and a movable assembly to which the closure member is attached, the movable assembly being magnetically associated with the electromagnetic field generator and movable between first and second positions that respectively correspond to the closed and open positions of the closure member, anda manual actuator capable of being coupled to and subsequently decoupled from the movable assembly, the manual actuator movable between a first axial position and a second axial position, in the first axial position the manual actuator is coupled with the movable assembly in a manner that causes the movable assembly to move from the first position to the second position when the manual actuator is moved from the first axial position toward the second axial position,wherein when in the second axial position the manual actuator is not coupled to the movable assembly and the movable assembly is configured to be moved between the first and second positions upon the electromagnetic field generator producing an electromagnetic field. 2. A shut-off valve according to claim 1, wherein the shut-off valve is transitional between a first, a second and a third configuration, in the first configuration the manual actuator being in the second axial position and decoupled from the movable assembly with the closure member being in the open position, in the second configuration the manual actuator being in the second axial position and decoupled from the movable assembly with the closure member being in the closed position, and in the third position the manual actuator being in the first axial position and coupled with the movable assembly with the closure member also being in the closed position. 3. A shut-off valve according to claim 2, wherein the manual actuator travels a first path when the manual actuator is moved from the second axial position to the first axial position, and travels a second path different from the first path when the manual actuator is moved from the first axial position to the second axial position. 4. A shut-off valve according to claim 3, wherein the second path involves a rotational movement of the manual actuator. 5. A shut-off valve according to claim 4, wherein the first path does not involves a rotational movement of the manual actuator. 6. A shut-off valve according to claim 1, wherein the electromagnetic field generator is capable of producing a first electromagnetic field having a first polarity and a second electromagnetic field having a second polarity, the movable assembly configured to be moved from the first position to the second position upon the electromagnetic field generator producing the first electromagnetic field, the movable assembly configured to be moved from the second position to the first position upon the electromagnetic field generator producing the second electromagnetic field. 7. A shut-off valve according to claim 1, wherein the movable assembly includes a ferromagnetic part that is influenced by the electromagnetic field to cause the movable assembly to be moved between the first and second positions. 8. A shut-off valve according to claim 7, wherein the electromagnetic actuator assembly comprises a permanent magnet that is magnetically associated with the ferromagnetic part when the movable assembly is in the second position, the permanent magnet configured to maintain the movable assembly in the second position when the manual actuator is decoupled from the movable assembly. 9. A shut-off valve according to claim 1, wherein the manual actuator includes a permanent magnet that acts to releasably couple the manual actuator to the movable assembly. 10. A shut-off valve according to claim 9, wherein when the manual actuator is in the first axial position the permanent magnet releasably couples the manual actuator to the movable assembly so that the movable assembly may be moved from the first position to the second position upon the manual actuator being moved from the first axial position toward the second axial position. 11. A shut-off valve according to claim 10, wherein when the movable assembly is in the second position the permanent magnet is decoupled from the movable assembly. 12. A shut-off valve according to claim 1, wherein each of the movable assembly and manual actuator are configured to travel in an axial direction, the first and second positions of the movable assembly delimiting a first axial travel path of the movable assembly, the first axial position and second axial position of the manual actuator delimiting a second axial travel path of the manual actuator, the second axial travel path being longer than the first axial travel path. 13. A shut-off valve according to claim 12, wherein the manual actuator comprises a shaft having a first end and an opposite second end, the first end being accessible from outside the shut-off valve, the second end capable of being coupled to and subsequently decoupled from the movable assembly. 14. A shut-off valve according to claim 13, wherein a permanent magnet is coupled to the second end of the shaft and acts to releasably couple the manual actuator to the movable assembly. 15. A shut-off valve according to claim 14, wherein the permanent magnet is at least partially disposed within a holder formed within or otherwise attached to the second end of the shaft, the permanent magnet having a freedom of movement in the axial movement direction of the manual actuator. 16. A shut-off valve according to claim 15, wherein when the manual actuator is in the first axial position, the second end of the shaft is prevented from transmitting a force to the movable assembly. 17. A shut-off valve according to claim 1, wherein the manual actuator comprises an axial shaft having a radially protruding member that is configured to engage with axially displaced first and second stops to delimit an axial movement of the manual actuator. 18. A shut-off valve according to claim 1, wherein the manual actuator comprises a shaft with a longitudinal axis and having first and second ends, the first end accessible from outside the shut-off valve, the second end capable of being coupled with and subsequently decoupled from the movable assembly, the shaft including a first receptacle at a first location along the longitudinal axis and a second receptacle at a second location along the longitudinal axis, the first receptacle being located nearer the first end of the shaft than the second receptacle, the shut-off valve further comprising a locking member that is resiliently urged in a radial direction with respect to the longitudinal axis of the shaft, the locking member configured to be received into the first and second receptacles to releasably lock the manual actuator respectively in the first and second axial positions. 19. A shut-off valve according to claim 1, wherein the electromagnetic field generator comprises a static armature and a coil, the electromagnetic field generator being configured to produce the electromagnetic field upon power being supplied to the coil. 20. A shut-off valve according to claim 19, wherein the coil is physically coupled to and moves with the movable assembly. 21. A shut-off valve according to claim 8, wherein the ferromagnetic part has a Curie temperature between 50° C. and 130° C. 22. A shut-off valve according to claim 19, wherein the movable assembly includes a ferromagnetic part that is influenced by the electromagnetic field to cause the movable assembly to be moved between the first and second positions, the movable assembly comprising a bobbin that is configured to move inside the static armature, the coil being wound on the bobbin and at least a portion of the ferromagnetic part being housed inside the bobbin, the closure member being fixed to an end of the bobbin. 23. A shut-off valve according to claim 22, wherein at least a portion of the manual actuator is housed inside the bobbin. 24. A shut-off valve according to claim 19, wherein the electromagnetic actuator assembly comprises a bobbin that is fixed with respect to the static armature, the coil being wound on the bobbin and forming with the bobbin a part of a solenoid, the movable assembly including a ferromagnetic part that is at least partially housed inside the bobbin to form a ferromagnetic core of the solenoid. 25. A shut-off valve according to claim 24, wherein at least a portion of the manual actuator is located inside the bobbin. 26. A shut-off valve according to claim 1, wherein the manual actuator comprises a shaft with a longitudinal axis and having first and second ends, the first end accessible from outside the shut-off valve, the second end capable of being coupled with and subsequently decoupled from the movable assembly, the shaft being continuously urged by a resilient member in an axial direction toward the second axial position, the shaft including a housing that possesses an opening stop, an ending stop and an intermediate stop located between the opening and ending stops, the shut-off valve further comprising a locking member that is resiliently urged in a radial direction with respect to the longitudinal axis of the shaft, the locking member configured to engage with each of the opening, ending and intermediate stops, each of the ending stop and intermediate stop corresponding to the first axial position of the manual actuator, the opening stop corresponding to the second axial position of the manual actuator, when the manual actuator is in the second axial position the locking member resides at the opening stop and the manual actuator is capable of being pushed against the urging of the resilient member so that the locking member travels along the shaft to the ending stop, whereupon when a pushing force is removed the shaft is moved by the urging of the resilient member until the locking member resides at the intermediate stop. 27. A shut-off valve according to claim 26, wherein when the locking member resides at the intermediate stop the manual actuator may only be returned to the second axial position by a pushing and also a rotation of the shaft wherein which the locking member travels along a first path from the intermediate stop to the ending stop and then subsequently along a second path from the ending stop to the opening stop. 28. A system comprising: a shut-off valve comprising: a closure member movable between an open position and a closed position,an electromagnetic actuator assembly comprising an electromagnetic field generator and a movable assembly to which the closure member is attached, the movable assembly being magnetically associated with the electromagnetic field generator and movable between first and second positions that respectively correspond to the closed and open positions of the closure member, anda manual actuator capable of being coupled to and subsequently decoupled from the movable assembly, the manual actuator movable between a first axial position and a second axial position, in the first axial position the manual actuator is coupled with the movable assembly in a manner that causes the movable assembly to move from the first position to the second position as the manual actuator is moved from the first axial position toward the second axial position, wherein when in the second axial position the manual actuator is not coupled to the movable assembly and the movable assembly is configured to be moved from the second position to the first position upon the electromagnetic field generator receiving an electrical pulse to produce an electromagnetic field;a sensor that is configured to produce a wired or wireless signal; anda controller electrically coupled to an electrical power source, the controller configured to receive the wired or wireless signal from the sensor and in response to the wired or wireless signal to generate and send the electric pulse to the electromagnet field generator of the shut-off valve. 29. A system according to claim 28, wherein the sensor is a smoke detector. 30. A system according to claim 28, wherein the sensor is a carbon dioxide sensor. 31. A system according to claim 28, wherein the sensor is an earthquake sensor. 32. A system according to claim 28, wherein the sensor is a timer. 33. A system according to claim 28, wherein the sensor is a temperature sensor. 34. A system according to claim 28, wherein the sensor is a gas leakage sensor. 35. A system according to claim 28, further comprising a remote control unit that is configured to send a signal to the controller to cause the controller to generate and send the electric pulse to the electromagnet actuator assembly of the shut-off valve. 36. A system according to claim 35, wherein the remote control unit is a smart phone or a tablet. 37. A system comprising: a shut-off valve comprising: a closure member movable between an open position and a closed position,an electromagnetic actuator assembly comprising an electromagnetic field generator and a movable assembly to which the closure member is attached, the movable assembly being magnetically associated with the electromagnetic field generator and movable between first and second positions that respectively correspond to the closed and open positions of the closure member, anda manual actuator capable of being coupled to and subsequently decoupled from the movable assembly, the manual actuator movable between a first axial position and second axial position, in the first axial position the manual actuator is coupled with the movable assembly in a manner that causes the movable assembly to move from the first position to the second position as the manual actuator is moved from the first axial position toward the second axial position,wherein when in the second axial position the manual actuator is not coupled to the movable assembly and the movable assembly is configured to be moved from the second position to the first position upon the electromagnetic field generator receiving an electrical pulse to produce an electromagnetic field;a sensor that is configured to produce a wired or wireless signal;a remote control unit configured to receive the wired or wireless signal from the sensor and to in turn to transmit a signal in response to receiving the wired or wireless signal; anda controller electrically coupled to an electrical power source, the controller configured to receive the signal from the remote control unit and in response to the signal to generate and send the electric pulse to the electromagnet field generator of the shut-off valve. 38. A system according to claim 37, wherein the sensor is a smoke detector. 39. A system according to claim 37, wherein the sensor is a carbon dioxide sensor. 40. A system according to claim 37, wherein the sensor is an earthquake sensor. 41. A system according to claim 37, wherein the sensor is a timer. 42. A system according to claim 37, wherein the sensor is a temperature sensor. 43. A system according to claim 37, wherein the sensor is a gas leakage sensor. 44. A system according to claim 37, wherein the remote control unit is a smart phone or a tablet.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (26)
Weldon,Craig Andrew; Everingham,Gary, Bipolar valve having permanent magnet.
Pearman A. Noel J. (St. Paul MN) Hunter Gerald D. (Lino Lakes MN) Woessner Michael A. (Golden Valley MN), Processor-controlled gas appliances and microprocessor-actuated valves for use therein.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.