Invention Grant
US07789791B2 Eight speed automatic transmission 有权
八速自动变速器

Eight speed automatic transmission
Abstract:
An automatic 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 may be either clutches or brakes.
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