Electromagnetic clutch with improved frictional surfaces

Details Electromagnetic clutch with improved frictional surfaces Electromagnetic clutch with improved frictional surfaces

1986-08-27

1988-03-01

Skudy, R.

192 clutches and power-stop control

Clutches

Operators

192107R, 192107M, 188251M, 310 78, 310 92, 310100, F16D 2700

Patent

active

047279745

ABSTRACT:
An electromagnetic clutch is disclosed 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 or the armature plate is provided with a contact surface which contains spiral concaves and projections with a predetermined pitch. This surface 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: 1989984 (1935-02-01), Hope
patent: 3014884 (1961-12-01), Bray
patent: 3037860 (1962-06-01), Masterson
patent: 3550739 (1970-12-01), Wiljsey
patent: 3899050 (1975-08-01), Savary
patent: 4397380 (1983-08-01), Yew
patent: 4425520 (1984-01-01), Hiraga
patent: 4502581 (1985-03-01), Komatsu
patent: 4632236 (1986-12-01), Koitabashi

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