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:
Sep. 06, 2022
Filed:
Jul. 01, 2020
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Xu Han, Columbus, IN (US);
Xiao Qin, Columbus, IN (US);
Alan C. Anderson, Columbus, IN (US);
Nicholas James Welch, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 19/08 (2006.01); F02B 19/02 (2006.01); F02B 19/10 (2006.01); F02P 13/00 (2006.01);
U.S. Cl.
CPC ...
F02B 19/08 (2013.01); F02B 19/02 (2013.01); F02B 19/1014 (2013.01); F02P 13/00 (2013.01);
Abstract
A combustion pre-chamber device for a spark ignition internal combustion engine is configured to engage a spark plug and be mounted to a cylinder head in communication with a combustion chamber of a cylinder of the engine. The combustion pre-chamber device includes any one or combination of a number of features to improve operating effectiveness, including extending the combustion operating range by improving cooling and optimizing the flow field inside the combustion pre-chamber device.