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Patent Searching and Data


Title:
COMBUSTOR AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2017/170834
Kind Code:
A1
Abstract:
Provided is a combustor comprising: a nozzle body (16) having a shaft body (24) extending along an axis, the shaft body (24) having a purge air flow passage (29) formed therein so as to extend along the axis to the front end of the shaft body (24), the purge air flow passage (29) allowing compressed air to be introduced therein, the shaft body (24) also having an air injection hole (39) formed at the front end of the shaft body (24) and connecting the purge air flow passage (29) and the outer surface of the shaft body (24), the nozzle body (16) also having a swirling blade (26) protruding from the outer peripheral surface of the shaft body (24) in the radial direction of the axis and swirling, about the axis, fluid flowing to the downstream side in the direction of the axis, the nozzle body (16) further having a fuel injection hole (38); and a sealing member (40) for sealing the air injection hole (39) and formed from metal having a lower melting point than metal which forms the nozzle body (16).

Inventors:
KIM Taehwan (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
SAITO Keijiro (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
AKAMATSU Shinji (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
MIYAMOTO Kenji (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
Application Number:
JP2017/013178
Publication Date:
October 05, 2017
Filing Date:
March 30, 2017
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-Chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F02C7/22; F02C3/22; F23R3/10; F23R3/28
Foreign References:
JP2010071641A2010-04-02
JP2009287562A2009-12-10
JP2005195284A2005-07-21
US20150285503A12015-10-08
Attorney, Agent or Firm:
MORI Ryuichirou et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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