| 摘要 |
PROBLEM TO BE SOLVED: To obtain a small-sized and low-cost continuously variable transmission which can accurately adjust the gear change ratio of a toroidal type continuously variable transmission at the time of switching between a low-speed mode and a high-speed mode, and can suppress generation of gear change shock at switching of the modes. ! SOLUTION: A function for steplessly adjusting a pressing force generated by a pressing device according to transmission torque is temporarily stopped at the time of mode switching between a low-speed mode and a high-speed mode, and a low-speed clutch and a high-speed clutch are connected and disconnected in a state in which hydraulic pressure conforming to one point of a point 1 to a point 3 on a linear line a which are known is introduced into a hydraulic chamber which constitutes the pressing device at the mode switching. ! COPYRIGHT: (C)2015,JPO&INPIT |
