Title:
GAS TURBINE
Document Type and Number:
Japanese Patent JP2007332973
Kind Code:
A
Abstract:
To provide a sealing structure in a steam-cooling gas-turbine wherein sealing performance between the inside of the rotor and the gas path of a turbine part is improved to prevent leakage of cooling steam, and nonuniformity of temperature distribution between rotor-disks can be handled with address.
The gas turbine having a plurality of axially placed rotor-disks is provided with a pair of annular disk lands protruded oppositely to each other between adjacent rotor disks, a pair of annular connection members connected respectively to the disk lands, and an annular elastic member formed integrally with the pair of connection members in both ends.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
OYA TAKEAKI
HIROKAWA KAZUHARU
ITO EISAKU
TANIOKA TADATERU
TANI MITSUO
HIROKAWA KAZUHARU
ITO EISAKU
TANIOKA TADATERU
TANI MITSUO
Application Number:
JP2007218604A
Publication Date:
December 27, 2007
Filing Date:
August 24, 2007
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F02C7/28; F01D11/00; F16J15/10
Domestic Patent References:
| JP2002201915A | 2002-07-19 | |||
| JPH1113491A | 1999-01-19 | |||
| JPH09242505A | 1997-09-16 | |||
| JPS61145324A | 1986-07-03 | |||
| JPH10339102A | 1998-12-22 | |||
| JPH05214963A | 1993-08-24 |
Foreign References:
| US5226785A | 1993-07-13 | |||
| US3295825A | 1967-01-03 | |||
| GB790029A | 1958-01-29 | |||
| US2656147A | 1953-10-20 |
Attorney, Agent or Firm:
Shigemitsu Tanaka
Shin Ishikawa
Shin Ishikawa