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:
Feb. 13, 2024

Filed:

May. 12, 2021
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Jonathan Kevin Tooker, Whitestown, IN (US);

Christopher L. Batta, West Lafayette, IN (US);

Dylan S. Fawcett, Peoria, IL (US);

Shaun David Fogle, Lafayette, IN (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 23/06 (2006.01); F02F 11/00 (2006.01); F02F 3/26 (2006.01);
U.S. Cl.
CPC ...
F02B 23/0696 (2013.01); F02B 23/0624 (2013.01); F02F 3/26 (2013.01); F02F 11/005 (2013.01);
Abstract

A piston includes a swirl pocket that extends radially from the radially outer lip portion to a lower axial extremity spaced away from the radially outer lip portion a first axial distance. A convex arcuate surface extends downwardly and inwardly from the radially outer lip portion, a concave arcuate surface extends to the lower axial extremity from the convex arcuate surface, and a conical portion extends upwardly and inwardly from the concave arcuate surface to an apex that is spaced a second axial distance from the radially outer lip portion that is less than the first axial distance.


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