| 摘要 |
PROBLEM TO BE SOLVED: To suppress the slip of a V-belt in a warming-up correcting time after the engine starting, by boosting correcting the hydraulic pressure in the operating time of a warming up correcting means, in a speed change control means to control the hydraulic pressure which controls variably the contact pulley width of the V-belt, according to the inferring value of the input torque. SOLUTION: In a CVT control unit 1 in the engine operating condition, it is decided whether the cooling water temperature is equal to or less than a prescribed value or not, and when the answer is YES, a warming up torque correcting process is carried out. That is, it is decided whether the engine rotation frequency exceeds a prescribed value, 1000rpm, for example, or not at first, and when the answer is YES, it is decided whether the throttle opening is 0/8 or not. And when the detecting result is YES, in this case, a correcting torque according to the throttle opening is found from a preset map by making the cooling water temperature as the parameter, to make the value adding the correcting torque to an engine torque found depending on the throttle opening and the engine rotation frequency as a torque inferring value, and a torque limitter process is carried out. |
