Apparatus for setting and verifying set point on a valve assembly
AssigneeDresser, Inc.
InventorMychal Phillip Spencer
Life of this patent
Estimating the term…
Abstract
Embodiments of an apparatus that provide functions to set and to verify the set point of a valve assembly in a single device. These embodiments forgo the need to use of two separate devices, one each to accomplish the tasks to set the set point and to verify the set point. Rather, the apparatus incorporates components that can assume different configurations including a first configuration that facilitates the task for setting the set point and a second configuration that facilitates the task of verifying the set point.
Claims20
A kit for changing compression of a spring member on a pressure relief valve, comprising:
- a spindle connection member comprising a shaft with an attachment element configured to secure to an end of a spindle on the pressure relief valve;
- a plunger connection member with a top, a bottom, and a first bore with a longitudinal axis and configured to fit onto the shaft of the spindle connection member, wherein the bottom of the plunger connection member is configured to interpose between the spindle and a compression screw disposed about the spindle on the pressure relief valve;
- and
- a force directing member with a central opening that is configured to receive the plunger connection member, wherein the force directing member is configured to transit the plunger connection member along the longitudinal axis between a first position and a second position, which is different from the first position and spaced part from the top of the plunger connection member.
An apparatus for setting and verifying a set point on a valve assembly, said apparatus comprising:
- a force directing component configured to transfer a load from a lift member to a spring member on the valve assembly, the force directing component having a first configuration and a second configuration that is different from the first configuration,
- wherein the first configuration configures the force directing component to transfer the load from the lift member to compress the spring member in a first direction, and
- wherein the second configuration configures the force directing component to direct the load from the lift member to compress the spring in a second direction that is the opposite of the first direction.
An apparatus that is configured to couple with a pressure relief valve having a bonnet member enclosing a spring assembly with a spindle member and a spring member, a disc element coupled to the spindle member, a nozzle element, a plunger having a position that is configured to compress the spring member, and a compression screw that is configured to affix the position of the plunger, said apparatus comprising:
- a first member comprising a shaft with an attachment element on a first end that is configured to secure to the spindle;
- a second member disposed annularly about the first member, the second member having a peripheral surface, a first bore that is configured to engage the shaft, and a second bore that is configured to receive the attachment element therein;
- and
- a third member disposed annularly about the second member, the third member having a central opening that is configured to engage the peripheral surface of the second member to allow the third member to transit between a first position and a second position on the second member,
- wherein the first position is configured to locate the third member in spaced relation to the compression screw and the second position is configure to locate the third member in contact with the compression screw.
Dependencies are inferred from the claim text.