Pneumatic suspension system

Spring devices – Vehicle – Comprising compressible fluid

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137 38, 13759618, 248550, 248562, 267 6424, 267122, 280714, F16F 904, F16F 934

Patent

active

046697101

ABSTRACT:
A pneumatic suspension system between relatively-vibratable structures has a single expansible pneumatic working chamber for pneumatically isolating the vibrations between the structures and inlet and outlet valves responsive to a control for opening only one at a time in response to vibrations which exceed respective vibration thresholds. The valves then admit or vent gas from the working chamber to damp vibrations in the threshold-determined range which includes resonance.

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patent: 4077617 (1978-03-01), Wright
patent: 4291717 (1981-09-01), Orcutt
patent: 4468739 (1984-08-01), Woods et al.

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