Power train of automatic transmission

Details Power train of automatic transmission Power train of automatic transmission

2006-10-17

2009-06-09

Lorence, Richard M. (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S288000, C475S290000

Reexamination Certificate

active

07544145

ABSTRACT:
A power train of an automatic transmission has eight forward gear stages and three reverse gear stages. The power train includes two composite planetary gear sets and seven engagement elements: two clutches and five brakes. Two of the engagement elements are engaged in each gear stage.

REFERENCES:
patent: 2004/0121876 (2004-06-01), Usoro et al.
patent: 2006/0052211 (2006-03-01), Park

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