Title:
STATOR BLADE SEGMENT AND STEAM TURBINE EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2019/167336
Kind Code:
A1
Abstract:
A stator blade segment (30) is provided with: a blade ring (70); a plurality of stator blades (33); and a caulking member (90). The blade ring (70) has a blade ring groove (73) and a housing space forming part (81). The blade ring groove (73) has a projection part (76) that projects from the second groove side surface (74d) of the blade ring groove (73) to a first side (Dau). The housing space forming part (81) forms, together with an outer shroud (50), a housing space (87) into which the caulking member (90) enters. The caulking member (90) is accommodated within the housing space (87), and comes in contact with the blade ring groove (73) and the outer shroud (50) so as to be exposed from the inner opening (88i) of the housing space (87).
Inventors:
WAKI YUICHIRO (JP)
DANNO SHOUHEI (JP)
YAMAMOTO YUKI (JP)
DANNO SHOUHEI (JP)
YAMAMOTO YUKI (JP)
Application Number:
PCT/JP2018/039330
Publication Date:
September 06, 2019
Filing Date:
October 23, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D9/02
Foreign References:
| JPS4878907U | 1973-09-28 | |||
| JPH0227102A | 1990-01-29 | |||
| JP2014047668A | 2014-03-17 | |||
| JP2010270717A | 2010-12-02 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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