Invention Grant
US08734286B2 Multi-speed planetary gear set transmission 有权
多速行星齿轮组传动

Multi-speed planetary gear set transmission
Abstract:
A transmission has an input member, an output member, at least 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 include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
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