发明授权
- 专利标题： Hydrostatic continously variable transmission with adjustable clutch valve
- 专利标题（中）： 具有可调节离合器阀的静态可变变速器
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申请号： US422807申请日： 1989-10-17
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公开(公告)号： US5065578A公开(公告)日： 1991-11-19
- 发明人: Yoshihiro Nakajima , Mitsuru Saito , Tsutomu Hayashi , Tadashi Tsunoda , Katsumi Yamazaki , Yoshihiro Yoshida , Kazuhiko Nakamura
- 申请人： Yoshihiro Nakajima , Mitsuru Saito , Tsutomu Hayashi , Tadashi Tsunoda , Katsumi Yamazaki , Yoshihiro Yoshida , Kazuhiko Nakamura
- 申请人地址： JPX Tokyo
- 专利权人： Honda Giken Kogyo Kabushiki Kaisha
- 当前专利权人： Honda Giken Kogyo Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX63-262649 19881018
- 主分类号： F16H39/14
- IPC分类号： F16H39/14 ; F16H61/40 ; F16H61/4043 ; F16H61/4052 ; F16H61/4139
摘要：
In a hydrostatic continuously variable transmission in which a clutch valve capable of operating between a clutch-on position for setting a hydraulic closed circuit between a hydraulic pump and a hydraulic motor to a hydraulic transmitting state and a clutch-off position for setting the hydraulic closed circuit to a hydraulic transmission cutting-off state is connected to the hydraulic closed circuit, a pressure bearing chamber for urging the clutch valve to the clutch-off position, and a pressure regulating spring for urging the valve to the clutch-on position are provided in the clutch valve, and a clutch controller for regulating the set load of the pressure regulating spring is connected to the pressure regulating spring. Thus, the degree of the hydraulic transmission between the pump and the motor can be controlled as desired without influence of the viscous change of a working oil. The clutch valve is disposed at one axial end of a transmission shaft.
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