| 摘要 |
<p>A toroidal type transmission system includes a toroidal transmission mechanism (10), an actuator (50,52,54,56) for continuously vary a transmission ratio by varying the angle of inclination of power rollers (18c,18d,20c,20d) of the toroidal transmission mechanism (10), a forward-reverse changeover mechanism (40) provided on the input side of the transmission mechanism (10) for changing the direction of input rotation inputted to the toroidal transmission mechanism (10), a first control valve (60) for controlling a fluid pressure supplied to the actuator (50,52,54,56) only when the input rotation is in the forward direction, a second control valve (70) for controlling a fluid pressure supplied to the actuator (50,52,54,56) only when the input rotation is in the reverse direction, a reverse detecting means (90) for detecting the direction of the input rotation, and a selector valve (80) for selecting the first or second control valve (60,70) in dependence on the direction of rotation detected by the detecting means (90).</p> |
