Liquid-encapsulated vibration-proof mount device

Details Liquid-encapsulated vibration-proof mount device Liquid-encapsulated vibration-proof mount device

1996-12-04

1999-09-07

Young, Lee W.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267220, F16F 500

Patent

active

059474556

ABSTRACT:
A vibration-proof mount includes an inner shell member comprised of a center pipe and a bush, and an outer shell member including a first collar and a second collar. The center pipe and the outer shell member are connected to each other by first and second elastomer members with a liquid encapsulated therein. A liquid chamber is formed between the first and second elastomer members and expanded and contracted in volume by a load, and an orifice is defined in the first elastomer member and connected to the liquid chamber. The orifice is formed by only a wall surface of the first elastomer member and hence, the sectional area of a flow path in the orifice can be insured to prevent a difference in characteristic between individuals of the vibration-proof mount, as compared with the case where the orifice is defined between a plurality of members.

REFERENCES:
patent: 4610438 (1986-09-01), Eberhard et al.
patent: 4623135 (1986-11-01), Ray
patent: 4858596 (1989-08-01), Colford
patent: 5080332 (1992-01-01), Yoda et al.

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