Title:
ROTOR
Document Type and Number:
Japanese Patent JP2021188513
Kind Code:
A
Abstract:
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
Inventors:
MAEDA SATOSHI
NAGAI TAKANORI
NAGAI TAKANORI
Application Number:
JP2020090759A
Publication Date:
December 13, 2021
Filing Date:
May 25, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B63H1/18; F04D29/24; F04D29/66
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata