Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Plural power paths to planetary gearing
Reexamination Certificate
2011-01-18
2011-01-18
Wright, Dirk (Department: 3655)
Planetary gear transmission systems or components
Nonplanetary variable speed or direction transmission...
Plural power paths to planetary gearing
Reexamination Certificate
active
07871349
ABSTRACT:
A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes first and second members. The torque transmitting devices may include clutches and brakes.
REFERENCES:
patent: 7695391 (2010-04-01), Phillips et al.
patent: 7717819 (2010-05-01), Wittkopp et al.
patent: 2009/0082157 (2009-03-01), Wittkopp et al.
patent: 2009/0082158 (2009-03-01), Wittkopp et al.
patent: 2009/0082159 (2009-03-01), Phillips et al.
patent: 2009/0082160 (2009-03-01), Phillips et al.
patent: 2009/0082163 (2009-03-01), Phillips et al.
patent: 2009/0082164 (2009-03-01), Wittkopp et al.
patent: 2009/0082165 (2009-03-01), Phillips et al.
patent: 2009/0082166 (2009-03-01), Wittkopp et al.
patent: 2009/0082167 (2009-03-01), Wittkopp et al.
Carey Clinton E.
Hart James M.
Phillips Andrew W.
Wittkopp Scott H.
GM Global Technology Operations LLC
Wright Dirk
LandOfFree
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