Brakes – Internal-resistance motion retarder – Using diverse fluids
Patent
1979-03-28
1981-06-23
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
Using diverse fluids
188284, 267 8R, 267126, F16F 906, F16F 940
Patent
active
042745152
ABSTRACT:
A shock absorber of the hydraulic-pneumatic type includes a cylindrical casing closed at both ends and partially filled with a liquid damping medium. A piston is reciprocable in the casing, has valve controlled passages and a piston rod thereon extending outwardly through a packed opening in one of the ends. A quantity of gaseous fluid under super-atmospheric pressure occupies the space above the level of the liquid, and a perforated partition forming an anti-splash device is disposed slightly below the liquid level. The partition is stationary in the casing and is frictionally held in place against the inner surface of the casing but is displaceable under the effect of a force greater than that applied to it by the movement of the shock absorber as a whole or of the liquid damping medium upon reciprocation of the piston.
REFERENCES:
patent: 2599477 (1952-06-01), Patriquin
patent: 2721074 (1955-10-01), de Carbon
patent: 2729308 (1956-01-01), Koski et al.
patent: 2774446 (1956-12-01), de Carbon
patent: 2823915 (1958-02-01), de Carbon
patent: 3486590 (1969-12-01), Peddinghaus
patent: 3904002 (1975-09-01), Adrian et al.
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