Suspension control valve using coned spring disks

Details Suspension control valve using coned spring disks Suspension control valve using coned spring disks

1979-01-31

1982-04-20

Kazenske, Edward R.

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

137529, 18832214, 18832215, F16F 934

Patent

active

043254683

ABSTRACT:
In a vehicle wherein road wheel travel is controlled by a hydraulic damper hose flow is controlled by a spring-urged metering valve, the improvement wherein the valve spring comprises a helical spring having a constant load-deflection curve and a plurality of coned spring disks having variable load-deflection curves. The preferred suspension for cross-country operation exhibits a relatively hard response to minor bumps, a soft floating response to major bumps, and a comparatively hard snubber-like response to abnormally large bumps. Movement in the rebound direction can be substantially unrestricted, controlled by conventional springs, or controlled by spring stacks similar to those described herein. Conversely, for operation on hard surfaced roads the major control functions could be reversed.

REFERENCES:
patent: 2025240 (1935-12-01), Higham
patent: 2802675 (1957-08-01), Ross
patent: 2911022 (1959-11-01), Schedl et al.
patent: 2941629 (1960-06-01), Rohacs
patent: 4076276 (1978-02-01), Wijnhoven et al.

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