CONTROL CIRCUIT FOR VARIABLE VANE OIL PUMP

PROBLEM TO BE SOLVED: To provide a control circuit for a variable vane oil pump capable of improving the responsiveness of variable control and preventing a cavitation phenomenon.SOLUTION: A control circuit for a variable vane oil pump includes the variable vane oil pump supplying a working fluid for controlling an automatic transmission, a regulator valve mounted at a line of hydraulic pressure discharged from the variable vane oil pump, and a torque converter control valve controlling the working fluid supplied from the regulator valve to pressure required in a torque converter in which the variable vane oil pump is controlled by an amount of the working fluid discharged from the torque converter control valve.