Spring devices – Vehicle – Comprising compressible fluid
Patent
1985-12-04
1988-03-15
Kashnikow, Andres
Spring devices
Vehicle
Comprising compressible fluid
188274, 188314, 244104FP, F16F 914, F16F 942, F16F 906, B64C 2558
Patent
active
047308176
ABSTRACT:
The element comprises a tubular body connected to the hub of a wheel and pivotally connected to the base of the chassis (5) by an arm. This body is slidably mounted on a rod (4) pivotally connected to the chassis (5) of the vehicle, the tubular body containing a gas chamber (11) and a hydraulic liquid chamber (13) divided into two compartments by a central ring (25) fixed to the rod (4). According to the invention, there is provided a device (15) for drawing the hydraulic liquid and disposed outside the tubular body (2) which is slidably mounted on the rod (4) by two fluidtight bearings (42, 55) forming the ends of the hydraulic chamber (13) and spaced apart by a constant distance. The drawing device (15) permits the dissipation to the exterior of the hydraulic chamber (13) of the heat stored by the oil during the reciprocating motions of the suspension element and thus avoids the disadjustment of the ground clearance of the vehicle.
REFERENCES:
patent: 3017172 (1962-01-01), Hartel
patent: 3128088 (1964-04-01), Paschakarnis
patent: 3194354 (1965-07-01), Smith
patent: 3795291 (1974-03-01), Naito et al.
patent: 4280600 (1981-07-01), Salmon et al.
Kashnikow Andres
Oberleitner Robert J.
S.A.M.M. Societe d'Applications des Machines Motrices
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