Vibration and/or shock attenuating fluid mount or the like

Details Vibration and/or shock attenuating fluid mount or the like Vibration and/or shock attenuating fluid mount or the like

1986-04-07

1988-04-19

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267 35, 248562, 248636, F16F 908, F16F 906, F16F 934, B60G 1126

Patent

active

047384344

ABSTRACT:
The mount preferably includes a decoupler assembly that causes different degrees of damping of relatively large magnitude excitation forces that result in mount compression versus mount extension, and that causes no or only minimal damping of excitation forces of relatively small amplitude. In a preferred embodiment the mount includes a generally cylindrical double-walled housing having a central portion containing at least part of a first variable volume chamber containing hydraulic fluid, and having an outer portion containing a second variable volume chamber containing gaseous fluid. The second chamber is of annular shape and encircles at least part of the first chamber. A rolling diaphragm defining a boundary of at least one of the chambers is formed of elastomeric material having a layer of reinforcing material preferably disposed at an offset location therein.

REFERENCES:
patent: 3046003 (1962-07-01), Schultz
patent: 3202388 (1965-08-01), Goodwin
patent: 3527451 (1970-09-01), Long
patent: 4342446 (1982-08-01), Eaton et al.
patent: 4352487 (1982-10-01), Shtarkman
patent: 4401298 (1983-08-01), Eaton
patent: 4416445 (1983-11-01), Coad
patent: 4460168 (1984-07-01), Obadal
patent: 4546960 (1985-10-01), Abrams et al.
patent: 4632370 (1986-12-01), Ticks et al.
Bernuchon, "A New Generation of Fluid Mounts", SAE Technical Paper, Series No. 840259 (1984).
Flower, "Understanding Hydraulic Mounts for Improved Vehicle Noise, Vibration & Ride Qualities", SAE Technical Paper. Series No. 850975 (1985).

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