Gear train of automatic transmission for vehicles

Details Gear train of automatic transmission for vehicles Gear train of automatic transmission for vehicles

2008-11-26

2010-12-21

Le, David D (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S280000

Reexamination Certificate

active

07854678

ABSTRACT:
A gear train of an automatic transmission for a vehicle includes two simple planetary gear sets and one compound planetary gear set, four clutches, and three brakes and realizes ten forward speeds and one reverse speed so that power delivery performance may be improved and fuel consumption may be reduced.

REFERENCES:
patent: 7780566 (2010-08-01), Seo
patent: 2009/0048062 (2009-02-01), Seo et al.
patent: 2010/0184556 (2010-07-01), Kim

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