Power transmission for a vehicle

Details Power transmission for a vehicle Power transmission for a vehicle

2005-11-01

2005-11-01

Ho, Ha (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S278000, C475S280000, C475S286000

Reexamination Certificate

active

06960150

ABSTRACT:
A power transmission has three planetary gearsets, which are selectively controlled by five torque-transmitting mechanisms to establish six forward speed ratios and one reverse speed ratio for the transmission. The torque-transmitting mechanisms include piston mechanisms, which are slidably disposed within members of the transmission housing including a front end cover, a rear end cover, and a shell interconnecting the front end cover and the rear end cover.

REFERENCES:
patent: 4426891 (1984-01-01), Kubo et al.
patent: 5106352 (1992-04-01), Lepelletier
patent: 6135912 (2000-10-01), Tsukamoto et al.
patent: 6287233 (2001-09-01), Haka
patent: 6468179 (2002-10-01), Mathis et al.
patent: 6572507 (2003-06-01), Korkmaz et al.
patent: 6811513 (2004-11-01), Filanovsky et al.
patent: 0039368 (1981-11-01), None
patent: 3-157543 (1991-07-01), None

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