Five-speed automatic transmission

Details Five-speed automatic transmission Five-speed automatic transmission

1994-07-06

1996-07-16

Ta, Khoi G.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475276, 475279, F16H 366

Patent

active

055362206

ABSTRACT:
A five-speed automatic transmission for a vehicle includes a transmission housing, an input member, an output member, a plurality of planetary gearsets for changing a ratio of torque between the input member and the output member, a plurality of clutch assemblies to selectively couple the input member to predetermined gears of the planetary gearsets, a plurality of brake assemblies to selectively couple predetermined gears of the planetary gearsets to the transmission housing, and a structure for allowing the output member and a planetary carrier for one of the planetary gearsets and an annulus gear of two other of the planetary gearsets to rotate simultaneously.

REFERENCES:
patent: 3811343 (1974-05-01), Mori et al.
patent: 3956946 (1976-05-01), Murakami et al.
patent: 4027552 (1977-06-01), Murakami et al.
patent: 4875391 (1989-10-01), Leising et al.
patent: 5071398 (1991-12-01), Hotta et al.
patent: 5188575 (1993-02-01), Leising et al.
Powerful Revolution: Three New V-8 Models Launch the BMW 5-Series for 1994; BMW of North America, Inc. Press Release.
BMW 540i In Which a Good Eight Replaces a Great Six in the Old Five; by John Phillips; Sep. 1993; pp. 79-82.

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