System for engaging an electromagnetic clutch upon acceleration

Details System for engaging an electromagnetic clutch upon acceleration System for engaging an electromagnetic clutch upon acceleration

1984-12-18

1987-07-14

Braun, Leslie A.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 007, 192 356, B60K 4102

Patent

active

046796746

ABSTRACT:
A system for controlling clutch torque for a vehicle having a transmission and an electromagnetic clutch provided between an engine and the transmission. The system comprises an engine speed sensor, a computing unit for determining the speed of a driven member of the electromagnetic clutch, an accelerator pedal switch for detecting the acceleration of the vehicle and for producing an acceleration signal, and a comparator for comparing the engine speed with the speed of said driven member and for producing an output when both speeds substantially coincide with each other. The system has an AND gate responsive to the acceleration signal and the output for producing a clutch engaging signal, thereby engaging the electromagnetic clutch.

REFERENCES:
patent: 3372602 (1968-03-01), Papst
patent: 4295551 (1981-10-01), Zimmermann
patent: 4473143 (1984-09-01), Windsor
patent: 4494639 (1985-01-01), Takano et al.
patent: 4509625 (1985-04-01), Tellert

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