Multi-speed transmission having three planetary gear sets

Details Multi-speed transmission having three planetary gear sets Multi-speed transmission having three planetary gear sets

2009-01-09

2011-10-04

Young, Edwin A (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S278000

Reexamination Certificate

active

08029402

ABSTRACT:
A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.

REFERENCES:
patent: 6634981 (2003-10-01), Raghavan et al.
patent: 6648790 (2003-11-01), Raghavan et al.
patent: 6659903 (2003-12-01), Bucknor et al.
patent: 6672988 (2004-01-01), Raghavan et al.
patent: 7059995 (2006-06-01), Stevenson
patent: 7140996 (2006-11-01), Tiesler et al.
patent: 7201698 (2007-04-01), Gumpoltsberger
patent: 2007/0298926 (2007-12-01), Raghavan

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