Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1986-01-30
1987-12-01
Kashnikow, Andres
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
248562, 267195, F16F 1504, B60G 1504, F16M 1300
Patent
active
047099070
ABSTRACT:
A fluid filled vibration isolator of the type having upper and lower chambers separated by a partition having an inertia track passageway and a decoupler assembly permitting fluid to bypass the inertia track passageway at certain amplitudes. The decoupler assembly includes a mass of particulate matter loosely contained within a screened cavity in the partition. The particulate matter has a predetermined density and interstitial volume and occupies less than the entire cavity when at rest therein. At low amplitudes of vibration, the particulate matter oscillates in a dispersed condition as the fluid oscillates through the screened cavity essentially bypassing the inertia track passageway between the chambers. As the amplitude of vibrations increases beyond a certain level, the particulate matter compacts alternately against the screens to throttle flow therethrough and thereby cause the fluid to oscillate in the inertia track passageway.
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Kashnikow Andres
Oberleitner Robert J.
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