Hydraulically damped rubber cartridge spring

Details Hydraulically damped rubber cartridge spring Hydraulically damped rubber cartridge spring

1990-08-01

1992-03-03

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

248562, 248636, F16M 102

Patent

active

050925652

ABSTRACT:
A hydraulically damped rubber cartridge spring incorporates two chamber pairs (4, 6; 5, 7) isolated from one another by a wall (8 ). The chambers are located at a distance from one another in the direction of the introduced vibrations. The chambers of each chamber pair are connected by damping orifices (9, 10) of a channel-like configuration. The damping orifices (9, 10) are so dimensioned and coordinated with the bulge elasticity of the corresponding walls (11) of the bilaternally adjoining chambers, that the contained liquid mass enters into a resonant motion if the vibrations introduced by the spring's operation differ from one another in frequency. The dividing wall (8) contacts the external sleeve (1) loosely when vibrations are not introduced, and at the same time is resiliently deformed toward the internal tube (2) by the external sleeve (1).

REFERENCES:
patent: 4822010 (1989-04-01), Thorn

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