COMPOSITE ROTOR BLADE HAVING WEIGHTED MATERIAL FOR MASS BALANCING

A rotor blade for an aircraft includes a composite portion having fiber-reinforced resin material, the composite portion having an outside surface that forms at least a partial airfoil shape. The weighted portion includes a plurality of weighted material layers and a plurality of fiber-reinforced re...

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Hauptverfasser: STAMPS, FRANK B, SHERRILL, PAUL B, MEASOM, RONALD J
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Sprache:eng ; fre
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creator STAMPS, FRANK B
SHERRILL, PAUL B
MEASOM, RONALD J
description A rotor blade for an aircraft includes a composite portion having fiber-reinforced resin material, the composite portion having an outside surface that forms at least a partial airfoil shape. The weighted portion includes a plurality of weighted material layers and a plurality of fiber-reinforced resin material layers. Weighted material is configured to be compatible with and integrated into composite manufacturing processes used to fabricate the rotor blade. The weighted portion has a higher density than the composite portion and positioned to produce desired mass balance characteristics of the rotor blade. L'invention concerne une pale de rotor d'un aéronef qui comporte une partie composite ayant un matériau en résine renforcée par des fibres, la partie composite ayant une surface extérieure qui présente au moins une forme aérodynamique partielle. La partie pondérée comporte plusieurs couches de matériaux pondérées et plusieurs couches de matériaux en résine renforcée par des fibres. Le matériau pondéré est conçu pour être compatible et solidaire avec des procédés de fabrication de composites utilisés pour produire la pale de rotor. La partie pondérée présente une densité plus élevée que la partie composite et est adaptée pour produire des caractéristiques d'équilibre de masse de la pale de rotor.
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The weighted portion includes a plurality of weighted material layers and a plurality of fiber-reinforced resin material layers. Weighted material is configured to be compatible with and integrated into composite manufacturing processes used to fabricate the rotor blade. The weighted portion has a higher density than the composite portion and positioned to produce desired mass balance characteristics of the rotor blade. L'invention concerne une pale de rotor d'un aéronef qui comporte une partie composite ayant un matériau en résine renforcée par des fibres, la partie composite ayant une surface extérieure qui présente au moins une forme aérodynamique partielle. La partie pondérée comporte plusieurs couches de matériaux pondérées et plusieurs couches de matériaux en résine renforcée par des fibres. Le matériau pondéré est conçu pour être compatible et solidaire avec des procédés de fabrication de composites utilisés pour produire la pale de rotor. 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The weighted portion includes a plurality of weighted material layers and a plurality of fiber-reinforced resin material layers. Weighted material is configured to be compatible with and integrated into composite manufacturing processes used to fabricate the rotor blade. The weighted portion has a higher density than the composite portion and positioned to produce desired mass balance characteristics of the rotor blade. L'invention concerne une pale de rotor d'un aéronef qui comporte une partie composite ayant un matériau en résine renforcée par des fibres, la partie composite ayant une surface extérieure qui présente au moins une forme aérodynamique partielle. La partie pondérée comporte plusieurs couches de matériaux pondérées et plusieurs couches de matériaux en résine renforcée par des fibres. Le matériau pondéré est conçu pour être compatible et solidaire avec des procédés de fabrication de composites utilisés pour produire la pale de rotor. La partie pondérée présente une densité plus élevée que la partie composite et est adaptée pour produire des caractéristiques d'équilibre de masse de la pale de rotor.</abstract><oa>free_for_read</oa></addata></record>
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language eng ; fre
recordid cdi_epo_espacenet_CA2816509C
source esp@cenet
subjects AEROPLANES
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
AIRCRAFT
AVIATION
BLASTING
COSMONAUTICS
ENGINE PLANTS IN GENERAL
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HELICOPTERS
LIGHTING
MACHINES OR ENGINES FOR LIQUIDS
MACHINES OR ENGINES IN GENERAL
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PRODUCING MECHANICAL POWER
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SHOCK-ABSORBERS
SPRINGS
STEAM ENGINES
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WIND MOTORS
WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title COMPOSITE ROTOR BLADE HAVING WEIGHTED MATERIAL FOR MASS BALANCING
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