| 摘要 |
A stepless speed-change power transmission for vehicle having a fluid coupling, a forward/backward change-over mechanism coupled to a rear stage of the fluid coupling, and a stepless speed changer coupled to a rear stage of the forward/backward change-over mechanism; characterized by that a clutch element, which selectively couples a drive plate with a pump wheel only when a vehicle is operated to drive, is installed between the drive plate transmitting a power from an engine to the fluid coupling and the pump wheel of the fluid coupling; a turbine wheel facing the pump wheel is interconnected through a turbine hub to an output shaft; and the power is transmitted from this output shaft to the forward/backward change-over mechanism.
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