Gear train of automatic transmission for a vehicle

Details Gear train of automatic transmission for a vehicle Gear train of automatic transmission for a vehicle

2011-02-22

2011-02-22

Le, David D (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S282000

Reexamination Certificate

active

07892136

ABSTRACT:
The present invention provides gear train of an automatic transmission for a vehicle having a first planetary gear set being a double pinion planetary gear set, a second planetary gear set being a single pinion planetary gear set, a third planetary gear set being a Ravigneaux planetary gear set, with five clutches and two brakes, which realizes ten forward speeds and three reverse speeds.

REFERENCES:
patent: 2008/0298639 (2008-12-01), Tsunekawa et al.

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