Electromagnetic spring clutch

Details Electromagnetic spring clutch Electromagnetic spring clutch

1982-05-10

1984-07-17

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Automatic

192 52, 192 81C, 192 84T, 192103R, 188 77W, 188267, F16D 2701, F16D 2710, F16D 2716

Patent

active

044600763

ABSTRACT:
An electromagnetic spring clutch comprises a driving member, to be driven by a belt, and a driven member, which is connected to a load shaft, and to which revolving power is to be transmitted from the driving member by a clutching coil spring.
One end of the coil spring is fixed to the driving member and the other end is fixed to a rotor which is freely rotatable and has several rotor windings, each shortcircuited.
A stator having several windings to be excited by a power source is disposed closely parallel to the rotor for electromagnetically braking it, to thus twist the coil spring and make it grip the driven member.

REFERENCES:
patent: 2927472 (1960-03-01), Grant
patent: 3215234 (1965-11-01), Hirano
patent: 3709342 (1973-01-01), Spencer
patent: 3741353 (1973-06-01), McKinley et al.
patent: 4078719 (1978-03-01), Durland et al.
patent: 4194607 (1980-03-01), Yamaguchi

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