Title:
GAS TURBINE COOLING AIR CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH0754669
Kind Code:
A
Abstract:
PURPOSE: To improve thermal efficiency of a gas turbine by reducing the amount of discharged air and intermediate stage bleed air from an air compressor used to cool a stationary blade.
CONSTITUTION: This gas turbine to supply discharge air and intermediate stage bleed air of an air compressor l to stationary blades 4-7 of various stages of a turbine 2 as cooling air is constituted to supply this cooling air to each of the stationary blades after cooling it by air cooling systems 31-34 in accordance with a driving state of the gas turbine.
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Inventors:
AOKI SUNAO
Application Number:
JP21695393A
Publication Date:
February 28, 1995
Filing Date:
August 09, 1993
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F01D9/02; F02C6/08; F02C7/141; F02C7/18; (IPC1-7): F02C7/18; F01D9/02; F02C6/08; F02C7/141
Attorney, Agent or Firm:
Kimura Masami
Next Patent: GAS TURBINE