Methods and apparatus to load a valve packing
AssigneeFisher Controls International LLC
InventorsTrenton Frank Jackson, Wade Jonathon Helfer
Life of this patent
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Abstract
Methods and apparatus to load a valve packing are described. An example load apparatus to load a valve packing includes a guide including a flange and a wall protruding from the flange. The wall defines a cavity to receive a biasing element and a stop movable between a non-active state and an active state. The stop in the non-active state to enable movement of the guide in a first rectilinear direction relative to a longitudinal axis of a packing bore of a fluid valve and the stop in the active state to prevent movement of the guide in the first rectilinear direction. The stop to control an amount of deflection of the biasing element in the first rectilinear direction when the stop is in the active state.
Claims20
A load apparatus to load a valve packing of a fluid valve, the load apparatus comprising:
- a guide including a flange and a wall protruding from the flange, the wall defining a cavity to receive a biasing element and a stop positionable between a non-active state and an active state, the stop in the non-active state to enable movement of the guide in a first rectilinear direction relative to a longitudinal axis of a packing bore of the fluid valve and the stop in the active state to prevent movement of the guide in the first rectilinear direction to control an amount of deflection of the biasing element in the first rectilinear direction, the biasing element to at least partially extend into a recessed portion of a body of the fluid valve in response to movement of the guide.
A load apparatus for loading a packing of a fluid valve, the load apparatus comprising:
- a guide at least partially disposed in a recessed portion of a body of the fluid valve, the guide movably coupled to the fluid valve, the guide defining a second body having a cavity and a stop, the second body forming a shoulder in the cavity between a first end of the second body and a second end of the second body opposite the first end, the stop protruding from the second body;
- a biasing element positionable in the cavity of the guide, the shoulder to engage a first end of the biasing element;
- and
- a third body to engage a second end of the biasing element opposite the first end, the guide to move in a first rectilinear direction toward the third body to deflect the biasing element when the stop is spaced from the third body, the guide being prevented from moving in the first rectilinear direction when the stop engages the third body to restrict further deflection of the biasing element in the first rectilinear direction to control an amount of deflection of the biasing element in the first rectilinear direction.
A load apparatus for loading a packing of a fluid valve, the load apparatus comprising:
- means for guiding a biasing element, the biasing element at least partially disposed in a recessed portion of a body of the fluid valve, the means for guiding including means for receiving and means for stopping, the means for stopping configured to be positionable between a non-active state and an active state, the means for stopping in the non-active state to enable movement of the means for guiding in a first rectilinear direction relative to a longitudinal axis of the means for receiving, and the means for stopping in the active state to prevent movement of the means for guiding in the first rectilinear direction relative to the longitudinal axis.
Dependencies are inferred from the claim text.