Slip control apparatus for motor vehicle lock-up clutch

Details Slip control apparatus for motor vehicle lock-up clutch Slip control apparatus for motor vehicle lock-up clutch

1995-07-18

1996-10-29

Wright, Dirk

Interrelated power delivery controls, including engine control

Clutch control

With fluid drive

477176, 180197, F16H 6114

Patent

active

055691170

ABSTRACT:
A slip control apparatus for a lock-up clutch disposed between pump and turbine impellers of a torque converter of a motor vehicle equipped with a traction control device for controlling a throttle valve of an engine so as to prevent excessive slipping of vehicle drive wheels, the apparatus including (a) a slip control device for controlling the amount of slip of the lock-up clutch such that an actual slip speed of the clutch coincides with a predetermined target value while the vehicle running condition is in a predetermined slip control area partially defined by the throttle valve opening, (b) a traction control monitoring device for detecting an operation of the traction control device, and (c) a clutch torque holding device for maintaining a present torque transmitting state of the clutch during operation of traction control device, by inhibiting a slip control operation of the slip control device or by maintaining the target slip speed of the clutch at the presently effective value.

REFERENCES:
patent: 5092435 (1992-03-01), Sone et al.

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