Viscosity sensitive valve for shock absorber

Details Viscosity sensitive valve for shock absorber Viscosity sensitive valve for shock absorber

1974-01-11

1976-08-10

Kunin, Stephen G.

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

188320, F16F 934

Patent

active

039736547

ABSTRACT:
A hydraulic shock absorber has a piston slidable in a pressure tube, and separating the tube into two chambers. The piston has a flow passage therein with an annular groove in the piston about an extremity of the passage. Transverse passages communicate the flow passage with the groove and the groove with one of the chambers. A spring urged valve extends over the groove and transverse passages, constricting fluid flow thereto until excess pressure displaces the valve and permits flow directly from the flow passage to the one chamber.

REFERENCES:
patent: 2394356 (1946-02-01), Beecher
patent: 2507266 (1950-05-01), Patriquin
patent: 2599477 (1952-06-01), Patriquin
patent: 2603231 (1952-07-01), Birkemeier

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