Electromagnetic clutch

Details Electromagnetic clutch Electromagnetic clutch

1977-10-25

1978-10-31

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Operators

F16D 2710

Patent

active

041229304

ABSTRACT:
The electromagnetic clutch illustrated includes an electromagnetic coil assembly, an armature plate, and a pulley assembly having cylindrical end portions with an intermediate groove portion, and a hub portion, all of which form part of a 4-pole magnetic flux path. A non-magnetic ring member is mounted in support relationship between the groove portion and the pulley hub. A clutch rotor is secured to an end of the pulley hub adjacent the armature plate and extends radially outwardly therefrom so as to provide a uninterrupted circular air space with the cylindrical end portion adjacent the armature plate, such that no shorting of the lines of flux can occur from the end portion to the clutch rotor, providing a faster and stronger attraction of the armature plate when the electromagnetic coil is energized.

REFERENCES:
patent: 2919777 (1960-01-01), Walter
patent: 3205989 (1965-09-01), Mantey
patent: 3724621 (1973-04-01), Heidorn
patent: 3762516 (1973-10-01), Matsushita
patent: 3876048 (1975-04-01), Briar
patent: 3978953 (1976-09-01), Miller
patent: 4069572 (1978-01-01), Pierce

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