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. 12, 2013
Filed:
Oct. 21, 2011
Ryan D. Martini, Wolverine Lake, MI (US);
Charles J. Van Horn, Novi, MI (US);
Peter E. Wu, Lake Forest, CA (US);
Andrew M. Zettel, Ann Arbor, MI (US);
Osama Almasri, Novi, MI (US);
Jy-jen F. Sah, West Bloomfield, MI (US);
Ryan D. Martini, Wolverine Lake, MI (US);
Charles J. Van Horn, Novi, MI (US);
Peter E. Wu, Lake Forest, CA (US);
Andrew M. Zettel, Ann Arbor, MI (US);
Osama Almasri, Novi, MI (US);
Jy-Jen F. Sah, West Bloomfield, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A vehicular powertrain includes an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine. A method for operating the powertrain includes monitoring operator inputs, monitoring a transmission output, and terminating an engine operating mode when a time-rate change in the transmission output exceeds a threshold absent a change in the monitored operator inputs.