Title:
The gas turbine provided with an axial flow compressor and this
Document Type and Number:
Japanese Patent JP6010348
Kind Code:
B2
Abstract:
An axial compressor that can remove an attachment within a groove of a casing and recover an effect of suppressing stall on rotor blades, and a gas turbine provided with the axial compressor, are provided. The axial compressor includes a compressor body 6 and a sprayer 9 for spraying droplets in suction gas of the compressor body 6 so that the droplets are introduced into the compressor body 6 and evaporate. The compressor body 6 includes a casing 11, a rotor 12, rotor blades 13, and stator vanes 14. A groove 21 is formed in an inner circumferential surface of the casing 11 so as to be positioned around rotor blades 13 arranged on a front stage side. A purge system 23 is provided that supplies high-pressure air to the groove 21 through communication holes 22.
Inventors:
Yasuo Takahashi
Chihiro Meiren
Kota Kawamura
Chihiro Meiren
Kota Kawamura
Application Number:
JP2012126495A
Publication Date:
October 19, 2016
Filing Date:
June 01, 2012
Export Citation:
Assignee:
Mitsubishi Hitachi Power Systems Co., Ltd.
International Classes:
F04D29/54; F01D25/00; F02C3/06; F02C3/30; F02C6/08; F02C7/052; F02C7/08; F02C7/143; F04D19/02; F04D29/58; F04D29/70
Domestic Patent References:
| JP2010048213A | ||||
| JP61003999U |
Attorney, Agent or Firm:
Kaichi International Patent Office
Polaire Patent Business Corporation
Polaire Patent Business Corporation