Electro-magnetic clutch control system for automobiles

Details Electro-magnetic clutch control system for automobiles Electro-magnetic clutch control system for automobiles

1981-05-19

1985-01-22

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192 0092, B60K 4128

Patent

active

044946392

ABSTRACT:
A system for controlling an electro-magnetic clutch of an internal combustion engine mounted on a car which is capable of controlling the clutch current after the gear-changing for providing the partial engagement of the clutch. The electro-magnetic clutch has a drive member secured to a crankshaft of the internal combustion engine, a driven member adjacent the drive member, which is coupled to a transmission of the car and a magnetizing coil provided in one of the members. A shift lever signal is provided during the operation of the shift lever of the transmission and an acceleration signal is provided according to the operation of the accelerator pedal of the car. A control circuit comprises a charging circuit operated by the shift lever signal, a standard voltage circuit responsive to the acceleration signal, and a comparator connected to the charging circuit and standard voltage circuit for producing an output signal for a period of time which is decided by the level of the acceleration signal. A gate circuit is operated by the output signal of the comparator for controlling the clutch current passing through the magnetizing coil.

REFERENCES:
patent: 2914131 (1959-11-01), Maurice et al.
patent: 3132728 (1964-05-01), Chaptois
patent: 4081065 (1978-03-01), Smyth et al.
patent: 4091902 (1978-05-01), Hamada

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