US 12,203,457 B2
Fuel pump assembly
Donald J. Benson, Columbus, IN (US); Eric A. Benham, Columbus, IN (US); and Richard E. Duncan, Greenwood, IN (US)
Assigned to Cummins-Scania HPCR System, LLC, Columbus, IN (US)
Appl. No. 18/568,766
Filed by CUMMINS-SCANIA HPCR SYSTEM, LLC, Columbus, IN (US)
PCT Filed Jul. 11, 2022, PCT No. PCT/US2022/036695
§ 371(c)(1), (2) Date Dec. 8, 2023,
PCT Pub. No. WO2023/287709, PCT Pub. Date Jan. 19, 2023.
Claims priority of provisional application 63/221,660, filed on Jul. 14, 2021.
Prior Publication US 2024/0263624 A1, Aug. 8, 2024
Int. Cl. F04B 1/0417 (2020.01); F04B 53/00 (2006.01)
CPC F04B 1/0417 (2013.01) [F04B 53/006 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A fuel pump assembly for an engine, comprising:
a fuel pump comprising:
a camshaft having a cam lobe, the camshaft configured to rotate;
a first cam roller and a second cam roller disposed about an outer surface of the cam lobe, wherein the first cam roller and the second cam roller operate on the same cam lobe;
a first pumping assembly configured to interact with the first cam roller; and
a second pumping assembly configured to interact with the second cam roller,
wherein the second pumping assembly is offset from the first pumping assembly.