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. 16, 2010
Filed:
Dec. 19, 2006
Christopher A. Tuckfield, Beverly Hills, MI (US);
Christopher A. Tuckfield, Beverly Hills, MI (US);
Chrysler Group LLC, Auburn Hills, MI (US);
GM Global Technology Operations, Detroit, MI (US);
Daimler AG, Stuttgart, DE;
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
A method of operating a hybrid transmission includes controlling the transmission according to a drive mode, which includes a continuously variable speed ratio, and according to automatic and manual fixed speed relationships modes, which include a plurality of fixed speed relationships including mechanics gear ratios and virtual gear relationships. The method also includes receiving a driver request for transmission operation in one of an Economy or a Sport mode, and operating the transmission in the requested Economy or Sport modes.