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:
Jan. 10, 2023
Filed:
Apr. 03, 2020
Tula Technology, Inc., San Jose, CA (US);
Cummins Inc., Columbus, IN (US);
Steven E. Carlson, Oakland, CA (US);
Louis J. Serrano, Los Gatos, CA (US);
Mark A. Wilcutts, Berkeley, CA (US);
Vijay Srinivasan, Farmington Hills, MI (US);
Tula Technology, Inc., San Jose, CA (US);
Cummins Inc., Columbus, IN (US);
Abstract
An internal combustion engine operates so that it delivers zero or negative torque. The engine operates in either a deceleration cylinder cut off (DCCO) mode or skip cylinder compression braking mode. In the skip cylinder compression braking mode, selected working cycles of selected working chambers are operated in a compression release braking mode. Accordingly, individual working chambers are sometimes not fired and sometimes operated in the compression release braking mode while the engine is operating in the skip cylinder compression braking mode.