Title:
TURBINE ROTOR BLADE AND TURBINE
Document Type and Number:
WIPO Patent Application WO/2022/201926
Kind Code:
A1
Abstract:
This turbine comprises: a rotor blade body having a blade root fixed to a rotational shaft that extends along an axis, a base section provided integrally to the radial-direction outer-side of the blade root, a blade body provided integrally to the radial-direction outer-side of the base section, and a fin that protrudes from the radial-direction end surface of the base section; and a damper piece that is provided spanning from an inner circumferential region on the radial-direction inner-side of the fin on the radial-direction end surface, to the fin inner-circumferential surface facing the radial-direction inner-side of the fin.
Inventors:
WATANABE TOSHIO (JP)
AKIMOTO KENTARO (JP)
AKIMOTO KENTARO (JP)
Application Number:
PCT/JP2022/004908
Publication Date:
September 29, 2022
Filing Date:
February 08, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND AERO ENGINES LTD (JP)
International Classes:
F01D5/26; F01D5/10; F01D25/06
Foreign References:
| US5373922A | 1994-12-20 | |||
| GB2255138A | 1992-10-28 | |||
| JP2021050679A | 2021-04-01 | |||
| JP2000161005A | 2000-06-13 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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