To provide a rotor with further improved performance.SOLUTION: A rotor comprises a rotational shaft extending along an axial line, and a plurality of blades 2 protruding radially outward from the rotational shaft and arranged at intervals in the rotation direction of the rotational shaft. The blade has: a blade body that is connected to the rotational shaft and has a blade-shaped cross section forming a first angle of attack θ1 with respect to the rotation direction with a front side in the rotation direction defined as a leading edge Le; and a plurality of chip blades 22 that protrude radially outward from an end part on an outer peripheral side of the blade body, are arranged at intervals in a circumferential direction, and have a blade-shaped cross section forming a second angle of attack θ2 smaller than the first angle of attack with respect to the rotation direction with the front side in the rotation direction defined as the leading edge.SELECTED DRAWING: Figure 2
【課題】より一層性能が向上した回転体を提供する。【解決手段】回転体は、軸線に沿って延びる回転軸と、回転軸から径方向外側に突出し、回転軸の回転方向に間隔をあけて配列された複数の翼2と、を備え、翼は、回転軸に接続されるとともに、回転方向の前方側を前縁Leとし、回転方向に対して第一の迎角θ1をなす翼型断面を有する翼本体と、翼本体の外周側の端部から径方向外側に突出し、周方向に間隔をあけて配列されるとともに、回転方向の前方側を前縁とし、回転方向に対して第一の迎角よりも小さい第二の迎角θ2をなす翼型断面を有する複数のチップ翼22と、を有する。【選択図】図2
ROTOR
回転体
2021-12-13
Patent
Elektronische Ressource
Japanisch
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