| 摘要 |
A hydraulic centrifugal clutch comprises an input shaft; an output shaft; a hydraulic servomechanism including a fixed cylinder fixed to said input shaft, an axially movable piston mounted on said input shaft and forming a first cylindrical chamber in combination with said fixed cylinder, and a fixed piston fixedly mounted on said input shaft and fitted in a cylindrical flange portion of said movable piston for forming a second cylindrical chamber in combination with said movable piston. A friction clutch mechanism is formed between said output shaft and said fixed cylinder, and a diaphragm spring is disposed within said second cylindrical chamber. When the force generated in the hydraulic fluid within said first cylindrical chamber exceeds the sum of the forces generated in the hydraulic fluid within said second cylindrical chamber and the force of said diaphragm spring when said input shaft is rotated, the friction clutch mechanism is engaged by movement of said movable piston by the force generated within said first cylindrical chamber. Thus, the output shaft is connected automatically to the input shaft.
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