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:
Mar. 09, 2021
Filed:
Feb. 07, 2019
Tula Technology Inc., San Jose, CA (US);
GM Global Technology Operations Llc, Detroit, MI (US);
Mark A. Shost, Northville, MI (US);
Louis J. Serrano, Los Gatos, CA (US);
Steven E. Carlson, Oakland, CA (US);
Vijay Srinivasan, Farmington Hills, MI (US);
Eric J. Defenderfer, Brighton, MI (US);
Nitish J. Wagh, Northville, MI (US);
Randall S. Beikmann, Brighton, MI (US);
Jinbiao Li, Rochester Hills, MI (US);
Xin Yuan, Palo Alto, CA (US);
Li-Chun Chien, Milpitas, CA (US);
Tula Technology, Inc., San Jose, CA (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
In one aspect, a skip fire engine controller is described. The skip fire engine controller includes a skip fire module arranged to determine an operational firing fraction and associated cylinder load for delivering a desired engine output. The skip fire engine controller also includes a firing controller arranged to direct firings in a skip fire manner that delivers the selected operational firing fraction. Various methods, modules, lookup tables and arrangements related to the selection of a suitable operational firing fraction are also described.