| 摘要 |
PROBLEM TO BE SOLVED: To provide a fan blade enabling reduction of the number of fan blades and simultaneously providing sufficient performance. SOLUTION: This invention relates to a field of a fan blade, especially to a fan blade for turbojet, and an aviation type fan blade. The purpose of the invention is to provide the fan blade enabling reduction of the number of the fan blades and simultaneously providing sufficient performance. The fan blade is provided with a plurality of aerodynamic parts piled up in a radial direction Z and the number of aerodynamic profiles changes from one aerodynamic part to another aerodynamic part. COPYRIGHT: (C)2009,JPO&INPIT
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