Shock absorber device

Details Shock absorber device Shock absorber device

1979-12-19

1982-01-19

Marbert, James B.

Spring devices

Vehicle

Comprising compressible fluid

188298, 188314, 18832222, 267124, 267 6426, F16F 500, B60G 1508

Patent

active

043113028

ABSTRACT:
In a shock absorber device, a piston rod unit is axially displaceable through a cylindrical member from one end toward the other end thereof. The cylindrical member forms a variable volume working chamber containing a first fluid. A spring chamber is in communication with the working chamber so that the first fluid can flow between the two chambers. A pressurized second fluid is contained within the spring chamber separate from the first fluid and it acts on the first fluid for biasing the piston rod unit out of the working chamber. When the piston rod unit is moved into the working chamber and approaches an inner end position, it forms at least in part a damping chamber which decelerates the movement of the piston rod unit.

REFERENCES:
patent: 3237726 (1966-03-01), Deyerling
patent: 3391921 (1968-07-01), Axthammer
patent: 4061320 (1977-12-01), Warner
patent: 4153237 (1979-05-01), Supalla
patent: 4214775 (1980-07-01), Taft

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