Electro-magnetic powder clutch system for automobiles

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

1980-10-14

1983-09-13

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0075, 192 215, 192 30W, 192 84R, F16D 3702, B60K 4102, B60K 4128

Patent

active

044036833

ABSTRACT:
A system for controlling an electro-magnetic powder clutch of an internal combustion engine for a vehicle comprises a transmission, a 2nd switch adapted to be closed in the 2nd speed stage of the transmission, a thermo switch adapted to be closed at a predetermined temperature of the clutch, and a control circuit. The control circuit is so arranged that the current to the magnetizing coil of the clutch increases with an increase of the rotational speed of the engine and that when the 2nd switch and the thermal switch are closed, the current in the 2nd speed stage steeply increases so as to be impossible to start the vehicle in the 2nd speed.

REFERENCES:
patent: 2688388 (1954-09-01), Gill
patent: 2990927 (1961-07-01), Steadman
patent: 3073422 (1963-01-01), Baumann
patent: 3239038 (1966-03-01), Peras

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