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:
Aug. 16, 2016
Filed:
Dec. 18, 2013
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Brenton J. Bergkoetter, Milford, MI (US);
Christopher E. Whitney, Commerce, MI (US);
Brian L. Spohn, Holly, MI (US);
Sean W. McGrogan, Ann Arbor, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/12 (2006.01); F02D 13/06 (2006.01);
U.S. Cl.
CPC ...
F02D 13/06 (2013.01); Y10T 477/79 (2015.01);
Abstract
A method for operating an internal combustion engine includes increasing engine drag torque, transitioning from a cylinder deactivation state to an all-cylinder state, and decreasing engine drag torque immediately subsequent to transitioning to the all-cylinder state.