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Title:
GAS TURBINE ROTOR, GAS TURBINE, AND GAS TURBINE EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2017/069249
Kind Code:
A1
Abstract:
A ventilation flow path (22), a cooling air flow path (178), a mixing space (177) and a mixed air flow path (137) are formed in this gas turbine rotor (2). The ventilation flow path (22) guides compressed air (Acom) which is axially upstream of the air discharge port of the compressor 10 to the inside of a compressor rotor (20) as compressor bleed air (Bcom). The cooling air flow path (178) guides cooling air (Ac) to an area axially downstream of the air discharge port. The compressor bleed air (Bcom) and the cooling air (Ac) mix in the mixing space (177). The mixed air flow path (137) guides an air mixture (Am) of the compressor bleed air (Bcom) and the cooling air (Ac) into a turbine rotor (120).

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Inventors:
HASHIMOTO SHINYA (JP)
TAKAMURA KEITA (JP)
Application Number:
PCT/JP2016/081299
Publication Date:
April 27, 2017
Filing Date:
October 21, 2016
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F02C7/18; F01D5/08; F01D5/18; F02C3/073; F04D19/02; F04D29/053; F04D29/32
Foreign References:
JP2000179355A2000-06-27
JPH11125199A1999-05-11
JPS4880913A1973-10-30
JP2011518983A2011-06-30
JPS6143201A1986-03-01
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Woods Ryuichiro (JP)
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