公开(公告)号：US20180187891A1

公开(公告)日：2018-07-05

申请号：US15738200

申请日：2016-06-08

申请人： MITSUBISHI HITACHI POWER SYSTEMS, LTD.

发明人： Masaki MITANI ,  Koshiro FUKUMOTO ,  Toshihiko SAITO ,  Mitsunori ISONO ,  Dai MORISHIGE ,  Nobuyuki IZUTSU ,  Hiroyuki YAMASAKI ,  Yoshiyuki WADA

IPC分类号： F23R3/28 ,  F02C3/04 ,  F23R3/14 ,  F23R3/34

CPC分类号： F23R3/286 ,  F02C3/04 ,  F02C7/232 ,  F05D2220/32 ,  F05D2240/35 ,  F23N2027/22 ,  F23N2041/20 ,  F23R3/14 ,  F23R3/28 ,  F23R3/32 ,  F23R3/343

摘要： Provided are a combustor nozzle, a gas turbine combustor, a gas turbine, a cover ring, and a combustor nozzle manufacturing method. The combustor nozzle includes: a nozzle body provided with a fuel flow passage; a cover ring that is disposed on an outer side of the nozzle body so as to form air flow passages that allow air to jet out toward a front side; and fuel injection nozzles that are provided in a leading end part of the nozzle body at predetermined intervals in a circumferential direction and extend through the cover ring so as to be able to inject fuel from the fuel flow passage toward the front side. The cover ring has an outer circumferential surface cover that covers an outer circumferential surface of the nozzle body, a leading end surface cover that covers a leading end surface of the nozzle body, and a plurality of inclined flow passages that extend through the leading end surface cover in a thickness direction and are inclined in a predetermined direction relative to a direction of a central axis.

公开(公告)号：US20150362193A1

公开(公告)日：2015-12-17

申请号：US14762577

申请日：2014-01-10

申请人： MITSUBISHI HITACHI POWER SYSTEMS, LTD.

发明人： Kei INOUE ,  Keijiro SAITO ,  Hikaru KATANO ,  Sosuke NAKAMURA ,  Mitsunori ISONO ,  Atsushi YUASA

IPC分类号： F23R3/18 ,  F23R3/28 ,  F23R3/34 ,  F23R3/10

CPC分类号： F23R3/18 ,  F23R3/10 ,  F23R3/14 ,  F23R3/16 ,  F23R3/286 ,  F23R3/343 ,  F23R3/46 ,  F23R2900/03343

摘要： A combustor of the present invention includes: a pilot burner; a plurality of main burners (36), each of which is provided radially and outwardly along a circumferential direction about the pilot burner, and including a main nozzle (36a) disposed in a main burner cylinder (36A); an extension tube (36B) provided to extend toward a downstream side from the main burner cylinder of each of the main burners, the extension tube having a circular inlet (36Ba) communicating with the main burner cylinder, and an outlet (36Bb) at the downstream side comprising two radial edges (36Bc) parallel to the radial direction and two circumferential edges (36Bd) formed along the circumferential direction so as to connect both ends of the radial edges; an air passage (36E) formed outside of the main burner cylinder; and an inner communication hole (H1).

摘要翻译： 本发明的燃烧器包括：引燃燃烧器; 多个主燃烧器（36），其围绕引燃燃烧器沿圆周方向径向向外设置，并且包括设置在主燃烧器筒（36A）中的主喷嘴（36a）; 延伸管（36B），其设置成朝向每个主燃烧器的主燃烧器筒的下游侧延伸，所述延伸管具有与主燃烧器筒连通的圆形入口（36Ba），以及在所述主燃烧器筒 下游侧包括平行于径向的两个径向边缘（36Bc）和沿圆周方向形成的两个圆周边缘（36Bd），以便连接径向边缘的两端; 形成在所述主燃烧器气缸外侧的空气通路（36E） 和内部连通孔（H1）。