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Title:
COMBUSTOR NOZZLE, COMBUSTOR, AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2018/168747
Kind Code:
A1
Abstract:
Provided is a combustor nozzle equipped with a nozzle main body (2) extending along an axis, said nozzle main body (2) being equipped with: a first fuel passage (21) formed along the axis (Am) and through which a first fuel (F1) flows; first fuel injection passages (22) that extend from the first fuel passage (21) toward the outer circumferential surface of the nozzle main body as they approach the front side thereof, and that inject the first fuel from the outer circumferential surface; an air flow passage (24) that extends in the axial direction (Da) on the outside of the first fuel passage (21) in the radial direction with respect the axis, and through which purge air (PA) flows; and an air injection path (25) that extends from the air flow passage (24) toward the center of the front end of the nozzle main body (2), and that injects the purge air (PA) from the center of the front end.

Inventors:
MIYAMOTO Kenji (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
TANIGUCHI Kenta (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
INOUE Kei (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
DOMEN Shohei (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
ICHIKAWA Yuichi (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
TANIMURA Satoshi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
Application Number:
JP2018/009444
Publication Date:
September 20, 2018
Filing Date:
March 12, 2018
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-Chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F23R3/28; F02C3/22; F02C3/24; F02C7/22; F23R3/14; F23R3/32
Domestic Patent References:
WO2012124467A12012-09-20
Foreign References:
US6415594B12002-07-09
US5675971A1997-10-14
JP2005195284A2005-07-21
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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