Electromagnetic clutch with spiral plated surfaces to improve fr

Details Electromagnetic clutch with spiral plated surfaces to improve fr Electromagnetic clutch with spiral plated surfaces to improve fr

1986-08-25

1987-11-10

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

192 7014, 192107M, H02K 7108

Patent

active

047059737

ABSTRACT:
An electromagnetic clutch comprising a rotor and an armature plate with improved frictional surfaces. The armature plate is disposed to face the rotor with a predetermined axial gap. The rotor and the armature plate are provided with contact surfaces, each of which contains spiral concaves and projections with a predetermined pitch. At least one of the surfaces of the rotor or armature plate has a layer of metal plating with a hardness lower than that of the magnetic materials which make up the rotor and armature plate.

REFERENCES:
patent: 2136370 (1938-11-01), Bockius et al.
patent: 2533480 (1950-12-01), Leininger et al.
patent: 2922221 (1960-01-01), Morton et al.
patent: 4311524 (1982-01-01), Genkin et al.
patent: 4449622 (1984-05-01), Okano et al.

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