Vehicle suspension employing a liquid spring

Details Vehicle suspension employing a liquid spring Vehicle suspension employing a liquid spring

1976-09-16

1978-03-21

Marbert, James B.

Spring devices

Vehicle

Comprising compressible fluid

280705, B60G 1164

Patent

active

040799239

ABSTRACT:
A vehicle suspension wherein a compressible liquid such as Dimethyl Polysxane is compressed during jounce periods to absorb road energy, and wherein the liquid expands during rebound to maintain suspension action. Special features include non-linear spring rate and acceleration-controlled variable damping. Thermal expansion effects in the closed liquid spring system are alleviated by means of a special compensator valve that vents excess liquid to an accumulator only when the spring approaches its full rebound position.

REFERENCES:
patent: 3797140 (1974-03-01), McWilliams
patent: 3923240 (1975-12-01), Glaze

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