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GAS TURBINE

  • US 20160251962A1
  • Filed: 10/10/2014
  • Published: 09/01/2016
  • Est. Priority Date: 10/15/2013
  • Status: Abandoned Application
First Claim
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1. A gas turbine comprising:

  • a compressor which compresses air;

    a combustor which mixes compressed air compressed by the compressor and fuel and combusts the fuel;

    a turbine which produces rotary power from combustion gas generated by the combustor; and

    a rotating shaft which is driven by the air to rotate around a rotation axis, whereinthe compressor includes;

    a casing which forms an air path having a ring shape around the rotation axis;

    a plurality of blade bodies which are fixed on the outer circumference of the rotating shaft at predetermined intervals in the axial direction and disposed in the air path;

    a plurality of vane bodies which are fixed on the casing between the plurality of blade bodies and disposed in the air path;

    a blade ring which is provided so as to face the radially outer side of the plurality of blade bodies and on the inside of which a cooling air flow passage is formed;

    a first cooling air supply channel which supplies a part of the compressed air compressed by the compressor to the cooling air flow passage; and

    a second cooling air supply channel which supplies the cooling air from the cooling air flow passage to a part to be cooled of the turbine; and

    a plurality of isolation rings which are supported by the blade ring through a support part, which is protruding toward the radially inner side, of the blade ring, forms a ring shape around the rotation axis and supports the vane bodies through a collar protruding toward the axial direction at the radially inner terminal.

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