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:
Apr. 02, 2024
Filed:
Jul. 12, 2021
Applicants:
Tula Technology, Inc., San Jose, CA (US);
Cummins, Inc., Columbus, IN (US);
Inventors:
Louis Joe Serrano, Los Gatos, CA (US);
Xiaoping Cai, Fremont, CA (US);
Yongyan Cao, San Jose, CA (US);
Vijay Srinivasan, Farmington Hills, MI (US);
Kevin Shikui Chen, San Jose, CA (US);
Andrea Marie Evans, Columbus, IN (US);
Avra Brahma, Fishers, IN (US);
Assignee:
Tula Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 35/02 (2006.01); F02D 41/14 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0087 (2013.01); F02D 35/024 (2013.01); F02D 41/0007 (2013.01); F02D 41/0055 (2013.01); F02D 41/0077 (2013.01); F02D 41/1401 (2013.01); F02D 41/38 (2013.01); F02D 2041/0012 (2013.01); F02D 2041/141 (2013.01); F02D 2041/1433 (2013.01); F02D 2200/0406 (2013.01);
Abstract
A variety of methods and arrangements are described for managing recharging of cylinders of an internal combustion engine during skip fire operation of the engine. In one method, a maximum allowed deactivation time for a cylinder is determined and the cylinder is recharged before the maximum allowed deactivation time is exceeded.