Patent ID: 6132336
Filing Date: 2000-10-17
Classification: F16H,Y10T

Abstract:
A slip control apparatus of a torque converter with a lockup clutch, the slip control apparatus controlling a slip rotation speed between input and output elements of the torque converter at a slip rotation speed command value by controlling an engagement condition of the lockup clutch, the torque converter being connected to an engine and having a relationship between a converter torque and a slip rotation speed, the slip control apparatus comprising:a target converter torque calculating section calculating a target converter torque for achieving the slip rotation speed command value on the basis of the relationship of the torque converter;a target lockup clutch engagement capacity calculating section calculating a target lockup clutch engagement capacity by subtracting the target converter torque from an output torque of the engine; anda lockup clutch engagement force controlling section controlling an engagement force of the lockup clutch so as to adjust a lockup clutch engagement capacity of the lockup clutch at the target lockup clutch engagement capacity.