Invention Grant
US08025603B2 Dual torque path transmission with switchable radially displacing one-way clutch and fluid coupling brake 有权
双转矩路径传动,带可切换的径向位移单向离合器和流体联轴器制动器

Dual torque path transmission with switchable radially displacing one-way clutch and fluid coupling brake
Abstract:
The present invention broadly comprises a transmission for a vehicle, including two dual planetary gearsets arranged to transmit torque, independent of each other, from an input shaft for the transmission to an output for the transmission. In a gear for the transmission, one of the dual gearsets is arranged to transmit the torque to the output and the other of the dual gearsets is arranged to be ungrounded. The transmission includes first and second brakes arranged to ground a respective portion of the dual planetary gearsets. In some aspects, the dual planetary gearsets each include a planetary gearset connected to a respective brake and the output, and switches arranged to control the connection of the gearsets to the first and second brakes. In some aspects, the dual gearsets each include a planetary gearset connectable to the input shaft and switching assemblies for the planetary gearsets.
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