Control apparatus for an automatic clutch device

Details Control apparatus for an automatic clutch device Control apparatus for an automatic clutch device

1990-10-04

1992-01-21

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192 358, 192103F, 3644241, B60K 4102

Patent

active

050820966

ABSTRACT:
A control apparatus for an automatic clutch device which comprises a primary pressure controlling valve for controlling a primary pressure in an oil clutch, a line pressure controlling valve for controlling a line pressure in the oil clutch, a clutch pressure controlling valve for controlling a clutch pressure in the oil clutch, first, second and third electromagnetic valves for controlling respectively the primary pressure controlling valve, the line pressure controlling valve and the clutch pressure controlling valve, and a control section which controls the first, second and third electromagnetic valves and effects a feed-back control of engine speed to the third electromagnetic valve, and which stores values obtained by the learning of feedback quantities of the engine speed until the last time and changes a clutch pressure control duty to the third electromagnetic valve by modifying a feed forward quantity with the value by learning.

REFERENCES:
patent: 4648496 (1987-03-01), Petzold et al.
patent: 4856380 (1989-08-01), Nurano et al.

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