Counter-torque device with ducted tail rotor and ducted flow-straightening stator, for helicopters

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United States of America Patent

PATENT NO 5498129
SERIAL NO

08298953

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Importance

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Abstract

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The rotor is supported within the duct by a stationary flow-straightener with vanes connecting the wall of the duct to a central body housing the mechanism for driving the rotor. This mechanism is surrounded by a casing equipped with radial arms bearing removable means for fastening to an internal flange of the body, so as to fasten the flow-straightener and the casing rigidly to one another, and both into the duct.

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Patent Owner(s)

Patent OwnerAddress
EUROCOPTER FRANCEAEROPORT INTERNATIONAL MARSEILLE-PROVENCE 13725 MARIGNANE CEDEX

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barquet, Henri F Chateauneuf les Martigues, FR 3 44
Daldoss, Louis J Aix en Provence, FR 1 25
Dequin, Andre-Michel L Aix en Provence, FR 1 25

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