Hydraulic fluid pump and retainer assembly for same
AssigneeGardner Denver Petroleum Pumps, LLC
InventorsChance Ray Mullins, Konner Casey Kay
Life of this patent
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Abstract
A fluid end assembly of a hydraulic fluid pump includes a housing having a first housing bore and a second housing bore offset axially from the first housing bore. A plate is fastened to the housing. The plate has a first plate bore axially aligned with the first housing bore and a second plate bore axially aligned with the second housing bore. A first removable valve cover closes the first housing bore and a second removable valve cover closes the second housing bore. A first retainer engages the first plate bore and abuts the first removable valve cover and a second retainer engages the second plate bore and abuts the second removable valve cover.
Claims20
A fluid end assembly of a hydraulic fluid pump comprising:
- a housing having a first housing bore and a second housing bore;
- a plate fastened to the housing, the plate having a first plate bore axially aligned with the first housing bore and a second plate bore axially aligned with the second housing bore;
- a first removable valve cover at least partially disposed within the first housing bore and closing the first housing bore, and a second removable valve cover at least partially disposed within the second housing bore and closing the second housing bore;
- and
- a first retainer engaging the first plate bore and abutting the first removable valve cover such that the first removable valve cover is disposed between the first retainer and the first housing bore, and a second retainer engaging the second plate bore and abutting the second removable valve cover such that the second removable valve cover is disposed between the second retainer and the second housing bore.
A hydraulic fluid pump comprising:
- a housing of a fluid end of the hydraulic fluid pump, the housing including a first axial end and a second axial end opposite the first axial end, the housing having a housing bore located at the first axial end;
- a plate fastened to the housing, the plate having a plate bore axially aligned with the housing bore;
- a removable valve cover at least partially disposed within the housing bore and closing the housing bore;
- a retainer engaging the plate bore and abutting the removable valve cover such that the removable valve cover is disposed between the retainer and the housing bore;
- and
- a plurality of fasteners, each of the plurality of fasteners extending through the plate, the first axial end of the housing, and the second axial end of the housing to fasten the plate to the housing.
Dependencies are inferred from the claim text.