| 摘要 |
The present invention relates to a multistage automatic transmission comprising: a main body housing; an input shaft which is rotatably arranged in the main body housing and which rotates by an engine torque; a plurality of input side driving gears which have steps along the axial line of the input shaft and which are arranged into a pyramid shape to rotate together with the input shaft; a plurality of output side slave gears which have steps to correspond to the respective input side driving gears in directions opposite from one another, which engage with the respective input side driving gears, which are arranged into a pyramid shape, and the interior of which have a cam space; an output shaft arranged in the plurality of output side slave gears to receive power from the input shaft; and a shift control unit which is arranged in the cam space to selectively interconnect the output shaft and the output side slave gear which receives power from any one of the plurality of input side driving gears, and to control gear shift by hydraulic pressure. |
