Automatic transmission

Details Automatic transmission Automatic transmission

2011-08-30

2011-08-30

Holmes, Justin (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S311000, C475S317000, C475S330000

Reexamination Certificate

active

08007392

ABSTRACT:
A second clutch (C2) which couples a carrier (Cr) of the compound planetary gear set (6) to a speed ring gear (Rf) of the single planetary gear set (5) is arranged between the single planetary gear set (5) and the compound planetary gear set (6). Then, a first clutch (C1) which couples a second sun gear (Sr2) of the compound planetary gear set (6) to a carrier (Cf) of the single planetary gear set (5), and a third clutch (C3) which couples a sun gear (Sr1) of the compound planetary gear set (6) to carrier (Cf) of the single planetary gear set (5) are arranged at the side of the compound planetary gear set (6) opposite to the single planetary gear set (5).

REFERENCES:
patent: 6120410 (2000-09-01), Taniguchi et al.
patent: 6139463 (2000-10-01), Kasuya et al.
patent: 6558287 (2003-05-01), Hayabuchi et al.
patent: 7704182 (2010-04-01), Kamada et al.
patent: 2002/0142880 (2002-10-01), Hayabuchi et al.
patent: 2006/0035744 (2006-02-01), Seo et al.
patent: 2006-161867 (2006-06-01), None
European Search Report dated Apr. 6, 2009, issued in corresponding European Patent Application No. 09150623.8.

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