Title:
GAS TURBINE DISASSEMBLING/ASSEMBLING METHOD, GAS TURBINE ROTOR, AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2018/110584
Kind Code:
A1
Abstract:
This gas turbine disassembling/assembling method comprises a seal plate restriction state switching step for switching between a seal plate unrestricted state where a seal plate movement restriction part does not restrict radial movement of a seal plate and a seal plate restricted state where at least a portion of the seal plate movement restriction part projects from the seal plate in an axial direction and restricts the radial movement of the seal plate, by operating the seal plate movement restriction part from the other side in the axial direction via a gap between a platform of a moving blade and a region other than a blade groove to be fitted with the moving blade in the outer peripheral surface of a rotor disk.
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Inventors:
MURATA MASAHIRO (JP)
TSUTSUMI EIICHI (JP)
TAKAOKA YOSHIMASA (JP)
HASHIMOTO SHINYA (JP)
IKUSHIMA NAOKI (JP)
SHIMMYO TETSUYA (JP)
TSUTSUMI EIICHI (JP)
TAKAOKA YOSHIMASA (JP)
HASHIMOTO SHINYA (JP)
IKUSHIMA NAOKI (JP)
SHIMMYO TETSUYA (JP)
Application Number:
PCT/JP2017/044664
Publication Date:
June 21, 2018
Filing Date:
December 13, 2017
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D11/00; F01D5/30; F01D25/00; F02C7/00
Foreign References:
| JPS4837530A | 1973-06-02 | |||
| US20060073021A1 | 2006-04-06 | |||
| JP2007032282A | 2007-02-08 | |||
| US4279572A | 1981-07-21 | |||
| US20060073021A1 | 2006-04-06 |
Other References:
See also references of EP 3536907A4
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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