Spring devices – Vehicle – Comprising compressible fluid
Patent
1980-12-08
1983-05-03
Butler, Douglas C.
Spring devices
Vehicle
Comprising compressible fluid
188279, 188317, 244104FP, 267 6426, F16F 918, F16F 950
Patent
active
043818579
ABSTRACT:
An improved air/oil shock absorber (16) especially adapted for aircraft landing gears (11) is provided whereby the rate of strut (14) compression is programmed separately for the landing impact and for rollout after the landing. During the landing impact, increased tail clearance is achieved by temporarily delaying the last few inches of compression. After the aircraft rotates on to the nose landing gear, the shock absorber (16) slowly compresses to its static position where it then functions in a conventional manner. The shock absorber assembly (16) may be oriented in any position with respect to the aircraft (10) by virtue of two internal air/oil separator pistons (24 and 29).
REFERENCES:
patent: 2379388 (1945-06-01), Thornhill
patent: 2819064 (1958-01-01), Peras
patent: 3168302 (1965-02-01), Burris
patent: 3290037 (1966-12-01), Robinson, Jr. et al.
patent: 3363894 (1968-01-01), Hill
patent: 4088286 (1978-05-01), Masclet et al.
Butler Douglas C.
Diefendorf R. R.
Lockheed Corporation
Sullivan John J.
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