Coil-rotation type electromagnetic clutch

Details Coil-rotation type electromagnetic clutch Coil-rotation type electromagnetic clutch

1998-08-13

1999-12-07

Marmor, Charles A.

192 clutches and power-stop control

Clutches

Operators

192 84961, F16D 2700, F16D 3702

Patent

active

059967595

ABSTRACT:
In order to improve the magnetic efficiency and the assembling productivity of a coil-rotation type electromagnetic clutch, an electromagnetic coil is located in a ring-shaped recess of a rotor, and friction surfaces facing an armature are formed on both ends of an inner cylindrical portion and an outer cylindrical portion. A friction plate is located in the recess and closer to the armature than the electromagnetic coil. A magnetic shield is located at a place corresponding to the middle of the friction plate in the radial direction. The friction plate is fixed to the ends of the inner cylindrical portion and the outer cylindrical portion by securing protrusions of the friction plate to grooves formed on the inner cylindrical portion and the outer cylindrical portion.

REFERENCES:
patent: 2962141 (1960-11-01), Rudisch
patent: 3314512 (1967-04-01), Kerestury
patent: 4190141 (1980-02-01), Bennett et al.
patent: 5072817 (1991-12-01), Shimura
patent: 5305865 (1994-04-01), Larson et al.
patent: 5445256 (1995-08-01), Tabuchi et al.
patent: 5551546 (1996-09-01), Tabayama et al.

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