Hydrostatically compressed elastomeric spring and its manufactur

Details Hydrostatically compressed elastomeric spring and its manufactur Hydrostatically compressed elastomeric spring and its manufactur

1989-01-24

1990-06-12

Oberleitner, Robert J.

Spring devices

Fibrous

60528, 252511, 267152, 264314, 264573, F16F 136, F16F 308, H01B 100

Patent

active

049326376

ABSTRACT:
A hydrostatically compressed elastomeric spring, having an S-bent tubular envelope, of flattened cross-section, filled with a mass of electrically conductive elastomer and closed by metal endpieces. By causing an electrical current to pass through the conductive elastomer, via the endpieces, the elastomer is heated up by Joule effect, thereby inducing a thermal expansion which results in a modification of the properties of the spring.

REFERENCES:
patent: 4172590 (1979-10-01), Jarret et al.
patent: 4589999 (1986-05-01), Vasta
patent: 4611792 (1986-09-01), Jarret et al.

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