Shock absorber for aircraft landing gear

Details Shock absorber for aircraft landing gear Shock absorber for aircraft landing gear

1993-01-05

1994-05-10

Barefoot, Galen L.

Aeronautics and astronautics

Landing gear

Wheel

267 6416, B64C 2510

Patent

active

053101391

ABSTRACT:
The invention relates to a shock absorber of the type comprising a cylinder and a sliding rod, together with a moving disk that defines a bottom hydraulic chamber that communicates via a diaphragm with a top hydraulic fluid chamber that is adjacent to a pressurized gas chamber formed in the top of the cylinder. According to the invention, a self-contained linear actuator is disposed coaxially inside the sliding rod, being interposed between the moving disk and a lower abutment secured to said sliding rod, independent control means being also provided to control the linear actuator, such that when said means are engaged they enable the landing gear to be extended when the aircraft is stationary on the ground.

REFERENCES:
patent: 2735634 (1956-02-01), Fosness
patent: 2933271 (1960-04-01), Maltby
patent: 3826450 (1974-07-01), Currey
patent: 4445672 (1984-05-01), Turiot
patent: 4907760 (1990-03-01), Sealey et al.
patent: 5219152 (1993-06-01), Derrian et al.

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