Electromagnetic clutch

Details Electromagnetic clutch Electromagnetic clutch

1997-10-06

1999-08-31

Marmor, Charles A.

192 clutches and power-stop control

Clutches

Operators

192 84961, F16D 1900, F16D 2700, F16D 3702

Patent

active

059441585

ABSTRACT:
There is provided an electromagnetic clutch which is capable of reducing a variation in torque (reaction force) from a refrigerant compressor. The electromagnetic clutch includes a hub rigidly fitted on a drive shaft, the hub having a flange portion, a rotor which rotates about the drive shaft, a magnetic coil arranged within the rotor, an armature plate which is attracted into abutment with the rotor when the magnetic coil is energized, and a plurality of spring members interposed between the flange portion of the hub and the armature plate along a circumference of the rotor, for connection between the flange portion of the hub and the armature plate. The armature plate comprises a rotor-side annular disk axially opposed to the rotor with a predetermined axial gap therebetween, a spring-side annular disk arranged on a spring member side of the rotor-side disk in a manner axially opposed to the rotor-side annular disk, and an elastic body interposed between the rotor-side annular disk and the spring-side annular disk in a manner such that the elastic body is joined to the rotor-side annular disk and the spring-side annular disk.

REFERENCES:
patent: 4227600 (1980-10-01), Shirai
patent: 4445606 (1984-05-01), VanLaningham
patent: 5138293 (1992-08-01), Ishimaru
patent: 5372228 (1994-12-01), VanLaningham et al.
patent: 5642798 (1997-07-01), Muirhead et al.

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