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    • 76. 发明专利
    • V-BELT CONTINUOUSLY VARIABLE TRANSMISSION
    • JPH07119805A
    • 1995-05-12
    • JP28754093
    • 1993-10-22
    • AISIN AW CO
    • SAKAKIBARA SHIRO
    • F16H9/12
    • PURPOSE:To increase the capacity of a transmission, and to increase the speed of speed-change operation, and also to make it compact and to reduce the manufacturing cost thereof. CONSTITUTION:In the steady condition of a transmission, the operating oil inside an oil motor M is closed by a hydraulic control means 126, and the rotation of the oil motor M is stopped, and the effective belt diameter of both pulleys connected by a sheave moving means is fixed and maintained. At the time of speed-change of the transmission, the operating oil forcedly fed from an oil pump 127 is controlled by a hydraulic control means 126, and is forcedly fed to the oil motor M for rotatingly driving the oil motor M in a prescribed direction. Thus, the effective belt diameter of both the pulleys connected by the sheave moving means is changed. Further, at the time of speed change, the oil pressure to be supplied to the oil motor M is increased by an oil-pressure regulating means 129.