Pneumatic spring

Details Pneumatic spring Pneumatic spring

1986-05-28

1988-04-12

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Including seal or guide

92168, 277 28, 277 34, F16F 934

Patent

active

047368241

ABSTRACT:
A spring-damping device operating with a pressurized gas in which sudden movements caused by a severe drop in pressure are avoided or limited. A variable volume chamber, which is usually in a state where it permits relative movement of a rod in relation to an enclosure, distorts during a rapid depressurization in the enclosure, until it opposes these movements, due to a valve which maintains its internal pressure near to the initial level.

REFERENCES:
patent: 3104916 (1963-09-01), Dowling et al.
patent: 4342336 (1982-08-01), Satterthwaite et al.
patent: 4342447 (1982-08-01), Marx

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