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US07896774B2 Multi-speed transmission 有权
多速传输

Multi-speed transmission
摘要:
A transmission is provided having an input member, an output member, four 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 are clutches and brakes. The transmission provides a plurality of speed ratios.
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