Sound-damping armature assembly for an electromagnetic coupling

Details Sound-damping armature assembly for an electromagnetic coupling Sound-damping armature assembly for an electromagnetic coupling

1993-03-04

1994-12-13

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Operators

192107R, 335271, F16D 2710

Patent

active

053722280

ABSTRACT:
An electromagnetic clutch in which an annulus of sound damping material is sandwiched between an armature disc and a backing ring. The annulus and the backing ring coact to define a constrained-layer damping system for reducing noise when the armature disc is snapped into engagement with the rotor of the clutch and also during slipping and disengagement of the armature disc.

REFERENCES:
patent: 3326343 (1967-06-01), Stuckens et al.
patent: 3543901 (1970-12-01), Longsfeld et al.
patent: 3565223 (1971-02-01), Pierce
patent: 3620339 (1971-11-01), Becking
patent: 4493407 (1985-01-01), Newton
patent: 4557360 (1985-12-01), Kumatani
patent: 5036964 (1991-08-01), Booth et al.
patent: 5046594 (1991-09-01), Kakinuma
patent: 5150779 (1992-09-01), Booth
Understanding Damping Techniques for Noise and Vibration Control (3 pages); Published in Plant Engineering, Apr. 28, 1983.
Tech Review TR-503 (one page); Published by EAR Division, Cabot Corporation, 1989.

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