Automatic transmission gear and clutch arrangement

Details Automatic transmission gear and clutch arrangement Automatic transmission gear and clutch arrangement

2009-01-28

2011-12-13

Le, David D (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S159000, C475S116000

Reexamination Certificate

active

08075441

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 shaft, output shaft and other coupling members.

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