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1. (WO2017154852) TURBINE ROTOR BLADE ASSEMBLY

Pub. No.:    WO/2017/154852    International Application No.:    PCT/JP2017/008847
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Tue Mar 07 00:59:59 CET 2017
IPC: F01D 5/22
F01D 5/16
F01D 5/20
Applicants: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
三菱重工コンプレッサ株式会社
Inventors: YAGI, Nobuyori
八木 信頼
NAGAI, Naoyuki
長井 直之
YANAGISAWA, Shin
▲柳▼沢 伸
NAKAMURA, Yuki
中村 勇揮
Title: TURBINE ROTOR BLADE ASSEMBLY
Abstract:
In this turbine rotor blade assembly 1, turbine rotor blades 10 are equipped with: a platform 11 having a blade root 12 secured to a turbine disk 30; a profile 13 rising from the platform 11; and a shroud 14 provided on the tip end of the profile 13. The shroud 14 is equipped with: a first contact end part 15 contacting the adjacent shroud at one end in the circumferential direction; a second contact end part 16 contacting the adjacent shroud 14 at the other end in the circumferential direction; and a main body part arranged between the first contact end part 15 and the second contact end part 16. The first contact end part 15 and/or the second contact end part 16 has less rigidity than the main body part.