Multi-speed transmission with external drive gearsets

Details Multi-speed transmission with external drive gearsets Multi-speed transmission with external drive gearsets

2011-08-16

2011-08-16

Pang, Roger (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Sun braked

C475S302000

Reexamination Certificate

active

07998019

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 gears. The torque transmitting devices may include clutches and brakes.

REFERENCES:
patent: 7717819 (2010-05-01), Wittkopp et al.
patent: 2009/0054197 (2009-02-01), 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: 2010/0248882 (2010-09-01), Wittkopp et al.
patent: 2010/0248889 (2010-09-01), Wittkopp et al.
patent: 2010/0248891 (2010-09-01), Wittkopp et al.

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