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. 07, 1979
Filed:
Nov. 25, 1977
Applicant:
Inventor:
Harold C Powers, Peoria, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ; F02M / ;
U.S. Cl.
CPC ...
417499 ; 1231 / ;
Abstract
A fuel pump plunger in an injection pump is formed with a shallow groove circumscribed about the periphery between the scroll edge and the pumping end to level off pressure peaks in the injected fuel and to retard timing during deceleration of an engine due to an imposed load.