COMBUSTOR NOZZLE, GAS TURBINE COMBUSTOR, GAS TURBINE, COVER RING, AND METHOD FOR MANUFACTURING COMBUSTOR NOZZLE

WIPO Patent Application WO/2017/006690

A1

A combustor nozzle, a gas turbine combustor, a gas turbine, a cover ring, and a method for manufacturing a combustor nozzle, wherein there are provided: a nozzle body (71) to which a fuel channel (72) is provided; a cover ring (75) disposed on the outside of the nozzle body (71) to form air channels (76, 77) capable of discharging air forwards; and fuel injection nozzles (79) provided at the tip section of the nozzle body (71) so as to penetrate the cover ring (75) at predetermined intervals around the circumferential direction, whereby the fuel injection nozzles (79) are capable of injecting fuel in the fuel channel (72) forwards. The cover ring (75) is provided with an outer circumferential surface cover (75a) covering the outer circumferential surface of the nozzle body (71), a tip surface cover (75b) covering the tip surface of the nozzle body (71), and a plurality of inclined channels (101) penetrating the tip surface cover (75b) in the thickness direction and inclining in a predetermined direction relative to the direction of the center axis (C).

WO/2009/028475	GAS TURBINE COMBUSTOR
JP4017551	Combustion device

MITANI MASAKI (JP)
FUKUMOTO KOSHIRO (JP)
SAITO TOSHIHIKO (JP)
ISONO MITSUNORI (JP)
MORISHIGE DAI (JP)
IZUTSU NOBUYUKI (JP)
YAMASAKI HIROYUKI (JP)
WADA YOSHIYUKI (JP)

PCT/JP2016/067083

January 12, 2017

June 08, 2016

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MITSUBISHI HITACHI POWER SYS (JP)

F23R3/28; F02C7/232; F23R3/14; F23R3/32

WO2012133774A1

2012-10-04

JP2009168397A	2009-07-30
JP2010159757A	2010-07-22
JP2002156115A	2002-05-31

See also references of EP 3318804A4

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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