Electromagnetic clutch

Details Electromagnetic clutch Electromagnetic clutch

1983-08-09

1986-03-11

Lall, Parshotam S.

192 clutches and power-stop control

Clutches

Operators

1921061, 192 7017, F16D 2707

Patent

active

045749302

ABSTRACT:
An electromagnetic clutch is disclosed which includes a pulley and an electromagnetic coil. A hub is secured to a drive shaft and has a radially extending flange portion which faces the pulley at a predetermined axial gap. An armature plate is disposed in the axial gap between the pulley and the radially extending flange portion of hub. The armature plate is elastically connected to the flange portion of the hub by a plurality of U-shaped spring members. Each spring member is provided with a pair of fittings and a pair of spaced, opposing axial flanges extending from the end portion of the fittings. An elastic member is located in the gap between the axial flanges. The impact force on the drive shaft when the electromagnetic clutch is first actuated is reduced by the compressive deformation of the elastic members. The impact sound is also reduced by the twist deformation of the elastic members.

REFERENCES:
patent: 3565223 (1971-02-01), Pierce
patent: 3754624 (1973-08-01), Eldred
patent: 3939951 (1976-02-01), Sink et al.
patent: 4305198 (1981-12-01), Kanamaru et al.
patent: 4353450 (1982-10-01), Wakefield

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