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. 01, 2008
Filed:
Jul. 22, 2005
Boris I. Burgman, Oak Park, MI (US);
Richard A. Pashnik, Saline, MI (US);
Patrick S. Portell, Pinckney, MI (US);
Boris I. Burgman, Oak Park, MI (US);
Richard A. Pashnik, Saline, MI (US);
Patrick S. Portell, Pinckney, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
DaimlerChrysler AG, Stuttgart, DE;
DaimlerChrysler Corporation, Auburn Hills, MI (US);
Abstract
An improved hybrid transmission including two electric motor/generator modules and a plurality of planetary gear sets operatively connectable to the motor/generators and to an engine is provided. Novel structural and packaging schemes enhance the function and efficiency of the transmission. More precisely, the present invention relates to an improved apparatus for retaining a clutch hub and providing hydraulic fluid to actuate a clutch.