Aircraft shock absorber

Details Aircraft shock absorber Aircraft shock absorber

1991-06-12

1992-10-27

Halvosa, George E. A.

Spring devices

Vehicle

Comprising compressible fluid

188319, 244102SS, 244104FP, 267 6416, 280704, 280 612, 280DIG1, F16F 906, F16F 932, F16F 934

Patent

active

051582678

ABSTRACT:
A shock absorber of the invention comprises a strut, a inner cylinder fixed to the strut and extending inside the strut, and a sliding cylinder mounted to slide inside the strut and associated with the inner cylinder to communicate with the inside thereof via throttling orifices and short-circuit orifices, a pump and control arrangement being provided to pump hydraulic liquid from the sliding cylinder into the inner cylinder so as to produce a retraction of the sliding cylinder into the strut when both the throttling and short-circuit orifices are closed. The throttle orifices produce a communication between the sliding cylinder and the inner cylinder which produces a normal damping operation of the strut while the short-circuit orifices provide a rapid release of the sliding cylinder from a retracted position and a control member selectively closes one or both of the orifices.

REFERENCES:
patent: 3146862 (1964-09-01), Winsen
patent: 4630788 (1986-12-01), Veaux et al.
patent: 4720085 (1988-01-01), Shinbori et al.
patent: 5014966 (1991-05-01), Wang

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