| 摘要 |
PROBLEM TO BE SOLVED: To increase an opportunity for stopping an engine.SOLUTION: A power transmission device 200 includes a continuously variable transmission device 40 for shifting power of an engine 1 and transmitting the same to a driving wheel 70, a forward/backward movement switching device 30 disposed between the engine 1 and the continuously variable transmission device 40 and switching a moving direction of a vehicle 100 to a forward direction or a backward direction, an oil pump 2 for circulating a hydraulic fluid in the power transmission device 200, a first pump driving device 16 including a first one-way clutch 3 connected to a driving shaft 14 of the oil pump 2, and transmitting the power transmitted to a rotating shaft between the engine 1 and the forward/backward movement switching device 30, to the driving shaft 14 of the oil pump 2 through the first one-way clutch 3, and a second pump driving device 18 including a second one-way clutch 7 connected to the driving shaft 14 of the oil pump 2, and transmitting the power transmitted to a rotating shaft between the forward/backward movement switching device 30 and the continuously variable transmission device 40 to the driving shaft 14 of the oil pump 2 through the second one-way clutch 7.SELECTED DRAWING: Figure 1 |
