| 摘要 |
PURPOSE:To simplify a structure so as to reduce the cost by arranging an oil pressure sensor detecting circuit switching valve to which output pressures from a clutch control pressure switching valve and a clutch pressure control valve are applied, and providing an oil path, in which a line pressure can be directly detected, in the detecting circuit switching valve. CONSTITUTION:In a hydraulic control mechanism in a continuously variable transmission, a line pressure adjusting regulator valve 19, duty controlling solenoid valve 20C, control pressure modulator valve 22, control switching valve 27, etc., are provided. An oil path from the modulator valve 22 is connected as an oil supply system to the duty controlling solenoid valve 20C and as a pilot pressure system to a damper clutch control valve 24 and a clutch pressure control valve 25. On the other hand, an oil path of reaching a clutch pressure modulator valve 26 and an oil pressure sensor detecting circuit switching valve 29 is provided in a line pressure system, and an oil pressure sensor 35 is selectively connected to an oil path, connected to the regulator valve 19, or an oil path, connected to a friction element 6, by a switching valve 29. |
