Elastic strut having an integrated hydromechanical resonator in

Details Elastic strut having an integrated hydromechanical resonator in Elastic strut having an integrated hydromechanical resonator in

1989-03-28

1990-12-04

Jordan, Charles T.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

267136, 2671401R, 267217, B64C 2700

Patent

active

049747940

ABSTRACT:
In this elastic strut incorporating a hydromechanical resonator having a weight/spring system of the type providing a hydraulic amplification of the displacement of the beating weight (7), the weight mounted between two opposed return springs constitutes a double-sided hollow piston slidably mounted on two coaxial opposed cylinders (6) in a closed chamber filled with a liquid (10) in an inner tubular element (1) disposed in an outer tubular element (2) with which it defines, at each end, a chamber (18, 26) filled with liquid onto which opens one of the cylinders (6), the elements (1, 2) constituting the body of the strut being coaxially movable relative to each other and fixed together at each of their ends in a sealed and elastic manner by bearings composed of an elastomer material.

REFERENCES:
patent: 3920202 (1975-11-01), Mouille
patent: 4431148 (1984-02-01), Mouille

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