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:
Oct. 04, 2022
Filed:
Aug. 18, 2021
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Jordan E. Kelleher, Columbus, IN (US);
Lyle E. Kocher, Whiteland, IN (US);
Dwight A. Doig, Columbus, IN (US);
Brett A. Boas, Columbus, IN (US);
Assignees:
CUMMINS INC., Columbus, IN (US);
SCANIA CV AB, Södertälje, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 3/16 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); B33Y 40/20 (2020.01); B22F 5/00 (2006.01); B22F 10/20 (2021.01);
U.S. Cl.
CPC ...
F02F 3/16 (2013.01); B22F 5/008 (2013.01); B22F 10/20 (2021.01); B33Y 10/00 (2014.12); B33Y 40/20 (2020.01); B33Y 80/00 (2014.12);
Abstract
The present disclosure provides a piston, comprising: a skirt having an upper body portion; and a crown formed on the upper body portion by an additive manufacturing process, the crown including at least one air gap formed and positioned to reduce heat transfer from combustion to at least one cooling gallery formed in the piston.