Electro-magnetic clutch control system for automobiles

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

1981-06-22

1984-05-22

Purser, Ernest R.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192 215, F16D 4322, F16D 2700

Patent

active

044496176

ABSTRACT:
A system for controlling an electro-magnetic clutch of an internal combustion engine mounted on a car, which has a drive member secured to a crankshaft of the internal combustion engine, a magnetizing coil provided in the drive member, a driven member adjacent the drive member, and a transmission secured to the driven member. An engine speed detecting circuit is provided for producing an output when the engine speed exceeds a predetermined speed in an accelerating condition, the output signal being retained until the engine speed falls below a speed different from the predetermined speed. A gate is responsive to the output of the engine speed detecting circuit for producing an output which is applied to a switching transistor. The transistor is turned on by the output, so that a rated current passes through the magnetizing coil for engaging the clutch.

REFERENCES:
patent: 2761538 (1956-09-01), Jaeschke
patent: 2916944 (1959-12-01), Diesfeld
patent: 3402793 (1968-09-01), Scholl
patent: 4172505 (1979-10-01), Rabus et al.
patent: 4364459 (1982-12-01), Futchally

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