COMPOSITE FAN BLADE LEADING EDGE SHEATH WITH ENCAPSULATING EXTENSION

A metallic sheath (76) for a composite fan blade (58) includes a body (96) comprising a leading edge portion (97) configured to cover a leading edge (66) of the blade (58); a top surface (108) adjacent the leading edge (97); an extension portion (98) proximate the top surface (108) configured to cov...

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Bibliographische Detailangaben
Hauptverfasser:	STILIN, Nicholas D, LUSSIER, Darin S
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A metallic sheath (76) for a composite fan blade (58) includes a body (96) comprising a leading edge portion (97) configured to cover a leading edge (66) of the blade (58); a top surface (108) adjacent the leading edge (97); an extension portion (98) proximate the top surface (108) configured to cover a portion (94) of a tip (80) of the blade (58) along an intermediate chord length (100); an encapsulation portion (99) opposite the top surface (108) configured to couple directly with the tip (80) of the blade (58); a sheath suction side flank (114) configured to overlap a suction side (72) of the blade (58); a sheath pressure side flank (112) opposite the suction side flank (114) configured to overlap a pressure side (70) of the blade (58); and an insulator (118) coupled between the encapsulation portion (99) and the tip (80) of the blade (58).