GUIDE VANE, METHOD FOR MANUFACTURING VANE, AND STATOR

PROBLEM TO BE SOLVED: To provide a variable inlet guide vane for a turbo fan engine. SOLUTION: The variable inlet guide vane 30 includes opposing positive pressure side and negative pressure side 34 and 36 extending along a vane chord between a front edge and a rear edge 40 and 42 in the span direct...

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Bibliographische Detailangaben
Hauptverfasser:	DICKMAN ROBERT BRUCE, BEACHER BRENT FRANKLIN, LIU HSIN-TUAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS 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:	PROBLEM TO BE SOLVED: To provide a variable inlet guide vane for a turbo fan engine. SOLUTION: The variable inlet guide vane 30 includes opposing positive pressure side and negative pressure side 34 and 36 extending along a vane chord between a front edge and a rear edge 40 and 42 in the span direction from a root part 44 to a tip part 46. The vane has the maximum length larger than an approximately 8% of the blade chord length and is disposed in a position smaller than an approximately 35% of the blade chord length from the front edge. If the variable vane is rotated in some rotation angle range, this constitution can aerodynamically prevent undesirable exfoliation of an airflow flowing over the vane.