Hydraulic damper and elastic-return strut comprising such a damp

Details Hydraulic damper and elastic-return strut comprising such a damp Hydraulic damper and elastic-return strut comprising such a damp

1991-03-13

1993-01-12

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

188280, 188282, 188298, 188312, 18832215, 267220, F16F 934

Patent

active

051782413

ABSTRACT:
The hydraulic damper has at least one restricted communication passage (47) between its two working chambers (8, 9) whose cross section is controlled by a viscous restriction valve (51) positioned via a control pressure of a fluid of a control damper with at least one secondary chamber (41, 42) delimited in a secondary cylinder (39) by a control piston (40), which cylinder and control piston are integrally attached, one to the main body (1), the other to the damping piston (4) of the damper, such that the pressure law of the control fluid positioning said valve (51) is linked to the relative displacements of the main body (1) and damping piston (4).

REFERENCES:
patent: 2802664 (1957-08-01), Jackson
patent: 2886142 (1959-05-01), Orshansky, Jr.
patent: 4898264 (1990-02-01), Miller

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