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. 14, 2014
Filed:
Aug. 28, 2012
Patrick S. Portell, Clarkston, MI (US);
John A. Diemer, Farmington Hills, MI (US);
James M. Hart, Belleville, MI (US);
Scott H. Wittkopp, Ypsilanti, MI (US);
Edwin T. Grochowski, Howell, MI (US);
Douglas John Dwenger, Plymouth, MI (US);
Elizabeth I. Wooden, Farmington Hills, MI (US);
Boris Burgman, Oak Park, MI (US);
Clinton E. Carey, Highland, MI (US);
Tejinder Singh, Canton, MI (US);
Patrick S. Portell, Clarkston, MI (US);
John A. Diemer, Farmington Hills, MI (US);
James M. Hart, Belleville, MI (US);
Scott H. Wittkopp, Ypsilanti, MI (US);
Edwin T. Grochowski, Howell, MI (US);
Douglas John Dwenger, Plymouth, MI (US);
Elizabeth I. Wooden, Farmington Hills, MI (US);
Boris Burgman, Oak Park, MI (US);
Clinton E. Carey, Highland, MI (US);
Tejinder Singh, Canton, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque-transmitting devices. Further, a hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members.