20250215801. Reinforcement Composite Blade (SAFRAN)
REINFORCEMENT FOR A COMPOSITE BLADE OF A TURBOMACHINE, COMPRISING A MIXTURE OF FIBER CUTS AND A TACKIFIER
Abstract: the present invention concerns a reinforcement for a blade of a turbomachine, the blade comprising a first outer skin and a second outer skin which are made of composite material each comprising an inner end portion spaced apart from each other in such a way as to delimit therebetween an inner cavity of the blade that opens into an opening at an inner end of the blade, the inner end being radially opposite the outer end, wherein the reinforcement is adapted to be arranged in the inner cavity in such a way as to close the opening, and wherein the reinforcement comprises a mixture of cuts of at least one fiber and a tackifier, the cuts having lengths comprised between 1 mm and 15 mm, the tackifier comprising an epoxy resin solubilized in a solvent.
Inventor(s): Manon COMMARMOT, Noemie STEENBAKKER, Nicolas QUAGLIA, Nicolas DROZ
CPC Classification: F01D5/282 ({Selecting composite materials, e.g. blades with reinforcing filaments})
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