Invention Grant
- Patent Title: Automatic transmission gear and clutch arrangement
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Application No.: US12434272Application Date: 2009-05-01
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Publication No.: US08105196B2Publication Date: 2012-01-31
- Inventor: Patrick S. Portell , John A. Diemer , James M. Hart , Scott H. Wittkopp , Edwin T. Grochowski , Douglas John Dwenger , Elizabeth I. Wooden , Boris Burgman , Clinton E. Carey , Tejinder Singh
- Applicant: Patrick S. Portell , John A. Diemer , James M. Hart , Scott H. Wittkopp , Edwin T. Grochowski , Douglas John Dwenger , Elizabeth I. Wooden , Boris Burgman , Clinton E. Carey , Tejinder Singh
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Main IPC: F16H31/00
- IPC: F16H31/00

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.
Public/Granted literature
- US20100279811A1 AUTOMATIC TRANSMISSION GEAR AND CLUTCH ARRANGEMENT Public/Granted day:2010-11-04
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