Fluid filled elastomeric damping device

Details Fluid filled elastomeric damping device Fluid filled elastomeric damping device

1990-12-06

1991-12-31

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, 248562, F16M 500

Patent

active

050765507

ABSTRACT:
A fluid filled elastomeric damping device has a diaphragm enclosing a working chamber and a diaphragm restraining mechanism for selectively restraining and freeing movement of the diaphragm and thereby varying a damping or operational characteristic of the device. The mechanism includes a pressing plate for pressing a blocking portion of the diaphragm against a seating surface of an outer casing member under a bias of a blocking force generating member and thereby rigidly closing a compensation passage communicating with the working chamber. The diaphragm is restrained in movement by the pressing plate when the solenoid is de-energized and freed in movement when the solenoid is energized.

REFERENCES:
patent: 4793600 (1988-12-01), Kojima
patent: 4805884 (1989-02-01), Jordens et al.
patent: 4858899 (1989-08-01), Saotome et al.
patent: 4872650 (1989-10-01), Tabata et al.
patent: 5029825 (1991-07-01), Doi

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