Title:
【発明の名称】冷却式タービン羽根
Document Type and Number:
Japanese Patent JP2580356
Kind Code:
B2
Abstract:
A cooled turbine vane (18) in a multistage gas turbine (10) which is cooled with a fluid whose major portion is dissipated into the gas flow path (12) whereas a minor portion is supplied to a seal housing (48) and seal (50) for cooling the seal housing (48) has a hollow airfoil body (32) with an inlet (52) providing for flow communication with a source of coolant and an outlet (100) in the inner shroud (36) supplying coolant to a seal (50). The coolant in the airfoil body (82) flows through return bends (110, 120) wherein stagnancy is reduced by appropriate location of discharge ports (100 and 130).
Inventors:
UIRIAMU EDOWAADO NOOSU
DEIBITSUDO TEIRAA ENTENMAN
JON HOORU DONRAN
DEIBITSUDO TEIRAA ENTENMAN
JON HOORU DONRAN
Application Number:
JP2458290A
Publication Date:
February 12, 1997
Filing Date:
February 05, 1990
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORP
International Classes:
F01D5/18; F01D9/02; F01D11/00; (IPC1-7): F01D9/02
Attorney, Agent or Firm:
Mitsuteru Soga (3 outside)