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.

Date of Patent:
Oct. 02, 2012

Filed:

Jun. 25, 2003
Applicants:

David P. Quigley, Columbus, IN (US);

Patrick R. Shea, Columbus, IN (US);

Aaron S. Quinton, Columbus, IN (US);

Dana E. Richardson, Columbus, IN (US);

Doug Doup, Columbus, IN (US);

Inventors:

David P. Quigley, Columbus, IN (US);

Patrick R. Shea, Columbus, IN (US);

Aaron S. Quinton, Columbus, IN (US);

Dana E. Richardson, Columbus, IN (US);

Doug Doup, Columbus, IN (US);

Assignee:

Cummins, Inc., Columbus, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An internal combustion engine piston having a combustion bowl with fuel control structure for redirecting at least a portion of the fuel exiting the combustion bowl. One form of the piston includes a sharp edge disposed at the outer surface of the piston adjacent the entrance to the combustion bowl and a rounded fuel receiving lip located within the combustion bowl.


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