The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 2023
Filed:
Nov. 22, 2019
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Donald J. Benson, Columbus, IN (US);
Bela Doszpoly, Columbus, IN (US);
Eric A. Benham, Columbus, IN (US);
Ahmad M. Sabri, Columbus, IN (US);
Richard E. Duncan, Greenwood, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 59/44 (2006.01); F02M 59/02 (2006.01);
U.S. Cl.
CPC ...
F02M 59/442 (2013.01); F02M 59/02 (2013.01);
Abstract
A plunger is provided for reciprocating inside the barrel of a fuel pump. The plunger has a proximal end and a distal end. The proximal end of the plunger includes a cavity that defines a depressed volume within the plunger. A volume filler is disposed in the cavity, where the volume filler is constrained in the cavity by a retaining element.