[특허]Adapters and adapter systems for valve closure systems and valve closure assemblies

Powell Technologies LLC

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특허 상세정보

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Adapters and adapter systems for valve closure systems and valve closure assemblies

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/12
미국특허분류(USC)	251/059; 251/292; 137/347; 137/350
출원번호	US-0418786 (2003-04-18)
발명자 / 주소	Fortino, Richard D. Maniez, Jr., David N.
출원인 / 주소	Powell Technologies LLC
인용정보	피인용 횟수 : 6 인용 특허 : 22

초록

A valve closure assembly (50) for remotely and automatically closing railway tank car valves (V1, V2, V3, V4) characterized by a series of novel adapters (180, 240, 242, 244, 252, 254) for enabling one valve closure assembly to turn the handles of various different valves, including soft-seat valves and hard-seat valves.

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1. A valve closure system for operating a tank valve comprising:a valve closure assembly comprising a power actuator for turning a handle of the tank valve via an adapter that comprises a first part for attaching the adapter to an output shaft of the actuator and a second part joined to the first part, wherein the second part comprises a base plate having an octagonal perimeter for engaging and turning the tank valve handle. 2. A valve closure system as set forth in claim 1 in which the octagonal perimeter is defined nominally by a square having identical 45° chamfers at its four corners.3. A valve closure system for operating a tank valve comprising:a valve closure assembly comprising a power actuator for turning a handle of the tank valve via an adapter that comprises a first part for attaching the adapter to an output shaft of the actuator and a second part joined to the first part, wherein the second part comprises a base plate having a polygonal perimeter, the first part comprises a hub having a drive hole for fitting onto the output shaft of the actuator and a flange around the hub disposed against a face of the base plate, and fasteners that join the base plate to the flange of the first part. 4. A valve closure system for operating a tank valve comprising:a valve closure assembly comprising a power actuator for turning a handle of the tank valve via an adapter that comprises a first part for attaching the adapter to an output shaft of an actuator and a second part joined to the first part and comprising a base plate having a polygonal perimeter, in which the first part comprises a torque limiter having an input part and an output part, and the base plate is joined to the output part of the torque limiter. 5. A valve closure system as set forth in claim 4 in which the output part of the torque limiter comprises a face disposed against a face of the base plate, and fasteners join the base plate to the output part of the torque limiter.6. A valve closure system for operating a tank valve comprising:a valve closure assembly comprising a power actuator for turning a handle of the tank valve via an adapter that comprises a first part for attaching the adapter to an output shaft of the actuator and a second part joined to the first part and comprising a base plate having a polygonal perimeter, in which the first part comprises multiple tapped holes arranged in a circular pattern about a main axis of the adapter, the base plate comprises through-holes arranged in a matching pattern, and fasteners that pass through the through-holes in the base plate and thread into the tapped holes in the first part to join the second part to the first part. 7. A valve closure system for operating a tank valve comprising:a valve closure assembly comprising a power actuator for turning a handle of the tank valve via an adapter that comprises a first part for attaching the adapter to an output shaft of the actuator and a second part joined to the first part and comprising a base plate having a polygonal perimeter, including drive pins extending from a face of the base plate opposite a face of the base plate that is disposed against a face of the first part. 8. A valve closure system as set forth in claim 7 in which the drive pins are arranged in a circular pattern about a main axis of the adapter.9. A valve closure system as set forth in claim 8 in which there are two drive pins 180° apart about the main axis.10. A valve closure system as set forth in claim 8 which there are three drive pins, two of which are 72° apart about the main axis and each is 144° from the third.11. An adapter for use in a valve closure system for operating a tank valve comprising:a first part for attachment to an output shaft of a valve closure assembly actuator and a second part joined to the first part, wherein the second part comprises a base plate that has an octagonal perimeter for engaging and turning the tank valve handle. 12. An adapter as set forth in claim 11 in which the octagonal perimeter is defined nominally by a square having identical 45° chamfers at its four corners.13. An adapter for use in a valve closure system for operating a tank valve comprising:a first part for attachment to an output shaft of a valve closure assembly actuator and a second part joined to the first part, wherein the second part comprises a base plate that has a polygonal perimeter, the first part further comprises a hub having a drive hole for fitting onto the output shaft of the actuator and a flange around the hub disposed against a face of the base plate, and fasteners that join the base plate to the flange of the first part. 14. An adapter for use in a valve closure system for operating a tank valve comprising:a first part for attachment to an output shaft of a valve closure assembly actuator and a second part joined to the first part, wherein the second part comprises a base plate that has a polygonal perimeter, in which the first part comprises a torque limiter having an input part and an output part, and the base plate is joined to the output part of the torque limiter. 15. An adapter as set forth in claim 14 in which the output part of the torque limiter comprises a face disposed against a face of the base plate, and fasteners join the base plate to the output part of the torque limiter.16. An adapter for use in a valve closure system for operating a tank valve comprising:a first part for attachment to an output shaft of a valve closure assembly actuator, a second part joined to the first part and comprising a base plate having a polygonal perimeter, in which the first part comprises multiple tapped holes arranged in a circular pattern about a main axis of the adapter, and the base plate comprises through-holes arranged in a matching pattern, and fasteners that pass through the through-holes in the base plate and thread into the tapped holes in the first part to join the second part to the first part. 17. An adapter for use in a valve closure system for operating a tank valve comprising:a first part for attachment to an output shaft of a valve closure assembly actuator, a second part joined to the first part and comprising a base plate having a polygonal perimeter, including drive pins extending from a face of the base plate opposite a face of the base plate that is disposed against a face of the first part. 18. An adapter as set forth in claim 17 in which the drive pins are arranged in a circular pattern about a main axis of the adapter.19. An adapter as set forth in claim 18 in which there are two drive pins 180° apart about the main axis.20. An adapter as set forth in claim 18 in which there are three drive pins, two of which are 72° apart about the main axis and each is 144° from the third.21. An adapter for use in a valve closure system for operating a tank valve comprising:a first part for attachment to an output shaft of a valve closure assembly and a second part joined to the first part and comprising a base plate having an octagonal perimeter. 22. An adapter as set forth in claim 21 in which the octagonal perimeter is defined nominally by a square having identical 45° chamfers at its four corners.23. A valve closure system for operating different tank valves comprising:a valve closure assembly comprising a power actuator for turning a handle of one tank valve selectively in a direct drive mode via a first adapter without a torque limiter and a handle of a different tank valve in a torque limiting mode via a second adapter with a torque limiter, wherein the first adapter is configured for attachment directly to the power actuator but not to the torque limiter, and the second adapter is configured for attachment directly to the torque limiter but not to the power actuator.

이 특허에 인용된 특허 (22)

이 특허를 인용한 특허 피인용횟수: 6

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Adapters and adapter systems for valve closure systems and valve closure assemblies

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Adapters and adapter systems for valve closure systems and valve closure assemblies

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이 특허에 인용된 특허 (22)

이 특허를 인용한 특허 피인용횟수: 6

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