| 摘要 |
A hydraulic clutch is provided to reduce a total length of a clutch retainer by offsetting centrifugal hydraulic pressure generated by the remaining oil inside a piston chamber by a centrifugal force of a weight. A clutch retainer(212) is arranged in an input axis and forms a clutch space. A piston chamber(216) is formed between a piston(214) and the clutch retainer. The piston(214) is operated by the hydraulic pressure inputted to the piston chamber. A return spring(234) is arranged at an position opposite to the piston chamber of the piston and applies a restoring force to the piston. A weight(240) is arranged on a position opposite to the piston chamber of the piston and applies a centrifugal force operating against the centrifugal hydraulic pressure of the piston chamber to the piston. A support unit(244) supports the weight and guides movement of a radius direction at the same time.
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