Power train of automatic transmission

Details Power train of automatic transmission Power train of automatic transmission

2007-10-08

2010-12-21

Ho, Ha D. (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

Reexamination Certificate

active

07854677

ABSTRACT:
A power train of an automatic transmission that realizes eight forward speeds and two reverse speeds by using two or three planetary gear sets, five clutches, and one brake, wherein a speed reduction unit generates a reduced rotational speed and an output unit receives a rotational speed of an input shaft and the reduced rotational speed and generates the eight forward speeds and the two reverse speeds.

REFERENCES:
patent: 5749805 (1998-05-01), Shimada et al.
patent: 6860831 (2005-03-01), Ziemer
patent: 6910985 (2005-06-01), Ishimaru et al.
patent: 7524257 (2009-04-01), Tabata et al.
patent: 7604558 (2009-10-01), Okada et al.
patent: 7604563 (2009-10-01), Phillips
patent: 7632201 (2009-12-01), Takami et al.
patent: 2003/0083174 (2003-05-01), Tabata et al.

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