Gear and clutch arrangement for multi-speed transmission

Details Gear and clutch arrangement for multi-speed transmission Gear and clutch arrangement for multi-speed transmission

2008-07-22

2011-12-06

Wright, Dirk (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

Reexamination Certificate

active

08070643

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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing.

REFERENCES:
patent: 7637838 (2009-12-01), Gumpoltsberger
patent: 7699742 (2010-04-01), Hart et al.
patent: 7731622 (2010-06-01), Wittkopp et al.
patent: 7824304 (2010-11-01), Phillips et al.
patent: 2003/0232687 (2003-12-01), Bucknor et al.
patent: 2008/0242474 (2008-10-01), Phillips et al.
patent: 2009/0023533 (2009-01-01), Wittkopp et al.
patent: 2009/0023535 (2009-01-01), Wittkopp et al.
patent: 2009/0023537 (2009-01-01), Wittkopp et al.
patent: 2009/0023538 (2009-01-01), Carey et al.
patent: 2009/0036254 (2009-02-01), Wittkopp et al.

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