Adapters and adapter systems for valve closure systems and valve closure assemblies
First Claim
Patent Images
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.
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0 Petitions
Accused Products
Abstract
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.
35 Citations
23 Claims
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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. - View Dependent Claims (2)
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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.
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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. - View Dependent Claims (5)
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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.
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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. - View Dependent Claims (8, 9, 10)
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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. - View Dependent Claims (12)
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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.
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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. - View Dependent Claims (15)
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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.
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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. - View Dependent Claims (18, 19, 20)
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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. - View Dependent Claims (22)
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23. A valve closure system for operating different tank valves comprising:
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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.
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Specification