Electromagnetic clutch assembly having enhanced torque...

Details Electromagnetic clutch assembly having enhanced torque... Electromagnetic clutch assembly having enhanced torque...

2005-01-04

2005-01-04

Bonck, Rodney H (Department: 3681)

192 clutches and power-stop control

Clutches

Automatic

C192S084700

Reexamination Certificate

active

06837351

ABSTRACT:
An electromagnetic clutch assembly having a ball ramp operator provides enhanced torque throughput capability. The electromagnetic clutch assembly includes a primary or pilot friction clutch pack and a secondary or main friction clutch pack. A ball ramp operator which is actuated by the primary or pilot friction clutch pack includes a plastic washer or annulus adjacent one of the operator members. The plastic washer provides feedback which enhances the operation of the primary friction clutch pack, augments the compressive force applied to the secondary or main clutch pack and thus increases the torque throughput capability of the electromagnetic clutch assembly.

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Patent Abstracts of Japan, Vo. 016, No. 363 (M-1290), Aug. 5, 1992 & JP 04 113033 A (Tochigi Fuji Ind. Co. Ltd) Apr. 14, 1992.

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