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. 24, 2023
Filed:
Feb. 15, 2021
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
David Guillermo Gonzalez Medina, Columbus, IN (US);
William Marshall Cover, Columbus, IN (US);
Xu Han, Columbus, IN (US);
Andrew Guy Kitchen, Daventry, GB;
Daniel J. O'Connor, Columbus, IN (US);
Alan C. Anderson, Columbus, IN (US);
Nicholas James Welch, Greenwood, IN (US);
Jisang Sun, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T 13/46 (2006.01); H01T 13/32 (2006.01);
U.S. Cl.
CPC ...
H01T 13/467 (2013.01); H01T 13/32 (2013.01);
Abstract
Spark plugs are disclosed that include electrode arrangements to improve the charge flow into and out of the annular volume around the insulator nose and a pre-chamber volume of a pre-chamber device, thus directing a purge of exhaust gases trapped in the annular volume to a space formed by the exterior of the spark plug body and the interior of the pre-chamber device.