Rotor blade and method of making same

Details Rotor blade and method of making same Rotor blade and method of making same

B - Operations, Transporting

64

C

B64C 27/46 (2006.01) B29C 70/40 (2006.01) B29D 22/00 (2006.01) B64C 11/16 (2006.01)

Patent

CA 2708269

A helicopter rotor blade includes a structural composite skin defining a cavity therein; a composite spar disposed within the cavity and adhesively bonded to the skin, a portion of the spar exhibiting a C-shape in cross section; and a foam core disposed within the cavity and adhesively bonded to the skin. The structural composite skin forms an external, closed box structure configured to transmit mechanical loads encountered by the rotor blade.

La présente invention se rapporte à une pale de rotor d'hélicoptère comprenant un revêtement composite structurel définissant une cavité; un longeron composite disposé dans la cavité et lié de manière adhésive au revêtement, une partie du longeron présentant une coupe transversale en forme de C; et cur en mousse disposé dans la cavité et lié de manière adhésive au revêtement. Le revêtement composite structurel forme une structure de boîte fermée extérieure conçue pour transmettre les charges mécaniques rencontrées par la pale du rotor.

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