| 摘要 |
PROBLEM TO BE SOLVED: To reduce the size, weight and cost of a power transmission. SOLUTION: In this power transmission, first torque transmission paths 2, 3, 13 for transmitting torque of an electric motor 1 to a wheel 23 and second torque transmission paths 2, 17, 13 are arranged in parallel, and these torque transmission paths are provided with a first transmission mechanism for forward stage high speed, a second transmission mechanism for a forward stage low speed, and a third transmission mechanism for a backward stage. The power transmission is provided with a two-way clutch 18 for selectively transmitting the torque of the electric motor 1 to two torque transmission paths, the first torque transmission paths 2, 3, 13 are provided with a first transmission mechanism Hi, and the second torque transmission paths 2, 17, 13 are provided with the second transmission mechanism Lo and the third transmission mechanism Lo, the parts of which are made in common.
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