Power train of automatic transmission

Details Power train of automatic transmission Power train of automatic transmission

2009-05-07

2011-12-13

Estremsky, Sherry (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S279000, C475S282000

Reexamination Certificate

active

08075440

ABSTRACT:
The present invention relates to a power train of an automatic transmission that realizes eight forward speeds and one reverse speed by using two double pinion planetary gear sets, one single pinion planetary gear set, four clutches, and two brakes wherein the friction members are selectively connected to the operating members of the pinion planetary gear sets to the input shaft, other operating members, or the transmission case.

REFERENCES:
patent: 6758785 (2004-07-01), Raghavan et al.
patent: 2006/0019794 (2006-01-01), Raghavan et al.
patent: 2003-130152 (2003-05-01), None

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