Vibration isolating apparatus

Details Vibration isolating apparatus Vibration isolating apparatus

1985-08-20

1987-04-28

Reger, Duane A.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

188319, F16F 910

Patent

active

046608125

ABSTRACT:
A vibration isolating apparatus is mounted on a vehicle body so as to absorb vibrations from a vibration source such as an engine. The apparatus includes a deformable liquid chamber which is divided into small liquid chambers by means of a partition plate. A bore which is formed in the partition plate is opened and closed by means of a valve, whereby the small liquid chambers are communicated with and shut off from each other. As a means for absorbing low-frequency vibrations, an orifice is provided which provides communication between the small liquid chambers. When a high-frequency vibration is generated, the valve is opened, and the bore of the partition plate causes liquid-mass resonance. A part of one of the small liquid chambers is constituted by a diaphragm through which a valve-driving force is transmitted.

REFERENCES:
patent: 3159388 (1964-12-01), Wall
patent: 3361216 (1968-01-01), Walker
patent: 4383679 (1983-05-01), Kakimoto
patent: 4568069 (1986-02-01), Poupard

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