Shock absorber for the suspension of a motor vehicle

Details Shock absorber for the suspension of a motor vehicle Shock absorber for the suspension of a motor vehicle

1985-12-16

1988-06-07

Kashnikow, Andres

Brakes

Internal-resistance motion retarder

Using diverse fluids

18832215, 267 6413, 267 6415, F16F 906, F16F 934, F16F 500, F16F 914

Patent

active

047490683

ABSTRACT:
A shock absorber for the suspension of a motor vehicle includes a cylinder containing hydraulic liquid, and a piston attached to a rod wherein the piston defines first and second chambers within the cylinder. The second chamber contains the rod. A first flow restrictor permits fluid flow communication between the first chamber and a reservoir for hydraulic liquid. A control valve, movable from a closed position to an open position during a rapid compression movement of the piston, is provided for controlling fluid flow between the first and second chambers. A biasing spring and the pressure of a reference fluid contained within a reference chamber tend to bias the control valve closed while the pressure of the hydraulic fluid in the first chamber tends to bias the control valve open. A second flow restrictor is positioned in the flow path of the hydraulic liquid that exits from the first chamber and restricts the flow of the liquid when a rapid compression movement of the piston causes the control valve to open.

REFERENCES:
patent: 2685888 (1954-08-01), Strauss

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