Invention Grant
US08795128B2 Multi-speed transmission 有权
多速传输

Multi-speed transmission
Abstract:
A transmission is provided having 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 three clutches and four brakes actuatable in combinations of three to establish a plurality of forward gear ratios and one reverse gear ratio.
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