Title:
STATOR BLADE SUPPORT STRUCTURE OF VARIABLE STATOR BLADE GAS TURBINE
Document Type and Number:
Japanese Patent JPH04308328
Kind Code:
A
Abstract:
PURPOSE: To prevent a stator blade support member from seizure and restrict the member from wear without forcibly cooling the stator blade support member of a variable stator blade turbine.
CONSTITUTION: A shaft section 2 of a stator blade 1 of a gas turbine is formed of a cobaly system heat resisting alloy. Also, a sleeve 5 inserted in a sleeve holder 3 fixed to a casing 4 of the gas turbine to circumferentially and slidably support the shaft section 2 is formed of silicon nitride or partialy stabilized zirconia, so that the shaft section 2 and sleeve 5 are prevented from seizure and restricted from wear.
Inventors:
NOZAKI AKIRA
HORIUCHI MASAAKI
TAKI TOKIHIKO
HATTORI HIROSHI
HORIUCHI MASAAKI
TAKI TOKIHIKO
HATTORI HIROSHI
Application Number:
JP9940491A
Publication Date:
October 30, 1992
Filing Date:
April 04, 1991
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
F01D9/02; F02C9/22; (IPC1-7): F01D9/02; F02C9/22
Attorney, Agent or Firm:
Tsunemitsu Yamada (1 person outside)