Electromagnetic coupling armature assembly with counterweight

Details Electromagnetic coupling armature assembly with counterweight Electromagnetic coupling armature assembly with counterweight

1998-08-13

2000-10-10

Marmor, Charles A

192 clutches and power-stop control

Clutches

Operators

192200, 192 84961, F16D 27112

Patent

active

061291943

ABSTRACT:
An armature assembly for a selectively engageable and disengageable electromagnetic coupling is provided. The armature assembly includes a hub having a central axis that is disposed radially outwardly, and mounted for rotation with, a shaft used to drive an air-conditioning compressor. The assembly also includes a resiliently flexible spider disposed radially outwardly of the hub. The spider is fixed against rotation relative to the hub, but is able to flex axially relative to the hub at a hinge. The armature assembly further includes an annular armature disc disposed radially outwardly of the hub and connected to a first side of the spider. Finally, the armature assembly includes a counterweight disposed on a second side of the spider. The counterweight may be integral with the spider or connected to the hub. An armature assembly in accordance with the present invention balances the dynamic loads present in the electromagnetic coupling without substantially affecting the living hinge of the resiliently flexible spider. The armature assembly is also able to retain the armature disc in the event of a failure of the spider.

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