Electronically controllable vibration damper for use with automo

Details Electronically controllable vibration damper for use with automo Electronically controllable vibration damper for use with automo

1988-07-01

1990-04-03

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

248636, F16F 1300, B60K 512

Patent

active

049134094

ABSTRACT:
A vibration damper includes first and second electrode bodies which are operatively connected with a vibrating body and a base, respectively and which are immersed in a rheopetic fluid. The relative velocity and displacement between the body and the base are determined and used to control the voltage applied across the electrode bodies in manner wherein when the relative displacement and velocity are out of phase, a high voltage is applied to electrodes to induce a high damping force and as the period wherein the two parameters go in phase is approchaed, the voltage is continuously reduced to reduce the damping force.

REFERENCES:
patent: 4696489 (1987-09-01), Fujishiro et al.
patent: 4821849 (1989-04-01), Miller

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