Fluid end assembly
AssigneeKerr Machine Co.
InventorsKelcy Jake Foster, Mark S. Nowell, Brandon Scott Ayres, Christopher Todd Barnett
Life of this patent
Estimating the term…
Abstract
A fluid end having its fluid flow bores sealed without threading a retaining nut into the walls of each bore. The fluid ends may be assembled using a plurality of different kits that each comprise a fluid end body, a component, a retainer element, and a fastening system. The retainer element holds the component within each of the bores formed in the fluid end body and the fastening system secures the retainer element to the body. The fastening system comprises a plurality of externally threaded studs, washers and nuts in some embodiments. In other embodiments, the fastening system comprises a plurality of screws.
Claims16
A hydraulic fluid pump, comprising:
- a fluid end, comprising:
- a housing including a first end and a second end opposite the first end, the housing having a plurality of housing bores extending from the first end to the second end;
- a first plate fastened to the housing at its first end, the first plate having at least one plate bore axially aligned with the selected one of the plurality of housing bores;
- a plug at least partially disposed within a selected one of the plurality of housing bores and closing the selected one of the plurality of housing bores;
- and
- a fastener, threaded to the first plate at the at least one plate bore and abutting the plug, thereby retaining the plug within the housing bore;
- a packing disposed within the selected one of the housing bores;
- a second plate fastened to the housing at its second end, the second plate having at least one plate bore axially aligned with the selected one of the plurality of housing bores;
- and
- a component disposed about the packing and retained within the housing bore by the second plate.
Dependencies are inferred from the claim text.