Lock-up control system for automobile automatic power transmissi

Details Lock-up control system for automobile automatic power transmissi Lock-up control system for automobile automatic power transmissi

1984-01-26

1986-04-08

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0033, 192 331, 192 333, F16D 4706

Patent

active

045806713

ABSTRACT:
A control system for an automobile automatic power transmission provided with a hydraulic torque converter having a lock-up mechanism for directly connecting the input and output shafts of the torque converter. The control system uses a lock-up release data line and a lock-up engage data line which is positioned at the higher-engine speed side with respect to the lock-up release data line for controlling engagement of the lock-up mechanism. The system further provides a modified lock-up engage data line, which is between the lock-up engage and release lines, for use when the engine throttle valve is opened again after it has been completely closed, so that the lock-up mechanism is engaged as soon as the throttle valve is opened beyond the modified lock-up engage data line.

REFERENCES:
patent: 4431095 (1984-02-01), Suga
patent: 4457410 (1984-07-01), Suga et al.

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