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US 2023/0287873 A1Published application
Fuel pump assembly
AssigneeCummins Inc.
InventorsDonald J. Benson, Eric A. Benham, Ahmad M. Sabri, Samuel David Griffith Magnuson
Life of this patent
Estimating the term…
Abstract
A pumping assembly includes at least one removable unit barrel pumping assembly coupled to a housing of the pumping assembly. The pumping assembly further includes a drive member having a roller configured to engage a portion of the unit barrel pumping assembly during operation of the pumping assembly. The roller is configured to include a plurality of geometric shapes to distribute load forces during operation of the pumping assembly.
Claims18
A pumping assembly, including:
- a housing;
- a drive member configured to extend within the housing;
- and
- at least one unit barrel pumping assembly removably coupled to the housing and including a pumping member configured to move in response to movement of the drive member.
1 more element
A pumping assembly, including:
- a housing;
- a drive member configured to extend through a portion of the housing;
- a roller supported by a portion of the drive member;
- and
- at least one unit barrel pumping assembly supported by the housing and including a plunger having a plunger foot, and the plunger foot is configured to engage a portion of the roller, and the roller is configured with one of a convex or concave geometric configuration and the plunger foot is configured with one of a convex or concave geometric configuration.
2 more elements
A pumping assembly, including:
- a housing;
- a drive member configured to extend through a portion of the housing;
- a roller supported by a portion of the drive member;
- a first unit barrel pumping assembly supported by the housing and including a first plunger configured to reciprocate along a first reciprocation axis, and the plunger comprises a plunger foot having a curved contact surface;
- and
- a second unit barrel pumping assembly supported by the housing an including a second plunger configured to reciprocate along a second reciprocation axis, and the second reciprocation axis is offset from the first reciprocation axis.
3 more elements
Dependencies are inferred from the claim text.