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US 2022/0390031 A1Published application
Fluid end using cartridge check valve and wedge retention system
AssigneeGartech, LLC
InventorsGary Pendleton, Gary Stratulate
Life of this patent
Estimating the term…
Abstract
Embodiments presented provide for a fluid end that has cartridge style check valves that may be serviced through a vertical bore.
Claims17
An arrangement, comprising:
- a block configured with at least one bore;
- at least a first check valve and a second check valve inserted into the at least one bore;
- a cross piece positioned in the at least one bore positioned between the first check valve and the second check valve;
- a bottom seal positioned at one end of the at least one bore and a seal positioned at another end of the at least one bore;
- at least one piston configured to reciprocate within the block;
- and
- a wedge retaining system configured to interface with the block and
- wherein a bottom of the wedge retaining system is configured to interface with the seal, wherein the wedge retaining system is in a form of an inclined plane that is attached to the block through a mechanical attachment.
5 more elements
A cartridge check valve, comprising:
- an outer body defining an inner volume;
- an outlet configured to interface with at least a portion of the outer body;
- a seal configured to interface with the outlet;
- a guide stem;
- a center core configured within the inner volume of the outer body;
- a spring configured to interface with the center core;
- and
- a valve end configured to interface with the spring;
- wherein upon a predefined pressure and pressures greater than the predefined pressure, the center core is configured to move within the outer body creating a fluid pathway and wherein the guide stem is configured to extend from the valve end to the center core, the spring further configured to directly interface with a channel in the valve end.
6 more elements
An arrangement, comprising:
- a block configured with at least one bore;
- at least a first check valve and a second check valve inserted into the at least one bore;
- a cross piece positioned in the at least one bore positioned between the first check valve and the second check valve;
- a bottom seal positioned at one end of the at least one bore and a seal positioned at another end of the at least one bore;
- at least one piston configured to reciprocate within the block;
- and
- a wedge retaining system configured to interface with the block and
- wherein a bottom of the wedge retaining system is configured to interface with the seal and wherein at least one of the first check valve and the second check valve comprise an outer body defining an inner volume;
- an outlet configured to interface with at least a portion of the outer body wherein the seal is configured to interface with the outlet;
- a guide stem;
- a center core configured within the inner volume of the outer body;
- a spring configured to interface with a channel in the center core;
- and
- a valve end with a channel configured to accept a portion of the spring;
- wherein upon a predefined pressure and pressures greater than the predefined pressure, the center core is configured to move within the outer body creating a fluid pathway and wherein the guide stem is configured to extend from the valve end to the center core.
12 more elements
Dependencies are inferred from the claim text.