| 摘要 |
A damper apparatus for a clutch for a torque convertor wherein an opening and closing member for opening and closing a communication hole through a clutch plate comprises a pressure regulating valve having a set pressure for opening and closing and a device for adjusting the set pressure in accordance with the amount of relative turning displacement between the clutch plate and a turbine blade wheel of the torque convertor. The torque convertor generally includes an input casing connected to an input shaft, a pump blade wheel, a turbine blade wheel interposed in an internal space between the pump blade wheel and the input casing, and a clutch plate interposed between the turbine blade wheel and the input casing. The turbine blade wheel is connected to an output shaft. The clutch plate is axially movable to be engaged with or disengaged from the input casing according to a difference in fluid pressures acting on both side surfaces thereof. The damper spring mechanism interconnects the clutch plate and the turbine blade wheel for relative turning therebetween.
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