Damping device with elastomeric diaphragm forming conduit wall

Details Damping device with elastomeric diaphragm forming conduit wall Damping device with elastomeric diaphragm forming conduit wall

1987-10-29

1989-03-28

Butler, Douglas C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

248562, 248636, 267122, 267219, 188320, F16M 100, F16F 700, F16F 908

Patent

active

048157201

ABSTRACT:
A damping device which is disposed between an oscillating mass and a fixed structure. The device includes a rigid container, a first membrane forming the lid of the container, a low-viscosity liquid inside the container, an elastomeric diaphragm separating the space inside the container into two chambers, a second elastomeric membrane forming the base of the second chamber, and annular conduit with its two ends hydraulically connecting the first chamber to the second chamber for damping low frequency and high amplitude oscillations of the oscillating mass. The elastomeric diaphragm extends up to the annular damping conduit, and the diaphragm forms at least a portion of the conduit wall.

REFERENCES:
patent: 4469316 (1984-09-01), Van Den Boom et al.
patent: 4568069 (1986-02-01), Poupard
patent: 4621795 (1986-11-01), Eberhard et al.
patent: 4641808 (1987-02-01), Flower
patent: 4645189 (1987-02-01), Quast
patent: 4647023 (1987-03-01), Ray et al.
patent: 4651978 (1987-03-01), Grafstrom
patent: 4666137 (1987-05-01), Hamaekers et al.
patent: 4697794 (1987-10-01), Brenner et al.
patent: 4709907 (1987-12-01), Thorn
patent: 4711206 (1987-12-01), Andraet al.

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