| 发明名称 | Pilot fuel injector with swirler | ||
| 摘要 | A fuel injector includes: a pilot injector configured to spray fuel so as to form a first combustion region in a combustion chamber; and a main injector provided coaxially with the pilot injector so as to surround the pilot injector and configured to supply a fuel-air mixture that is a mixture of the fuel and air to form a second combustion region in the combustion chamber, wherein the pilot injector includes: a center nozzle configured to eject air jet flowing straight in an axial direction on a central axis of the pilot injector; an inside swirler provided on a radially outer side of the center nozzle and configured to cause inflow air to swirl around the central axis; and a pilot fuel injecting portion configured to inject the fuel from between the center nozzle and the inside swirler to air flow in the center nozzle. | ||
| 申请公布号 | US9366442(B2) | 申请公布日期 | 2016.06.14 |
| 申请号 | US201213485258 | 申请日期 | 2012.05.31 |
| 申请人 | Kawasaki Jukogyo Kabushiki Kaisha;Japan Aerospace Exploration Agency | 发明人 | Matsuyama Ryusuke;Kobayashi Masayoshi;Oda Takeo;Horikawa Atsushi;Hayashi Shigeru;Shimodaira Kazuo;Matsuura Kazuaki;Yamada Hideshi;Kurosawa Youji;Fujiwara Hitoshi |
| 分类号 | F23R3/34;F23R3/28 | 主分类号 | F23R3/34 |
| 代理机构 | Alleman Hall McCoy Russell & Tuttle LLP | 代理人 | Alleman Hall McCoy Russell & Tuttle LLP |
| 主权项 | 1. A fuel injector comprising: a pilot injector configured to spray fuel so as to form a first combustion region in a combustion chamber; a main injector provided coaxially with the pilot injector so as to surround the pilot injector and configured to supply a fuel-air mixture that is a mixture of the fuel and air to form a second combustion region in the combustion chamber; and an annular dividing wall configured to define a boundary between the pilot injector and the main injector, wherein the pilot injector includes: a central body provided on a central axis of the pilot injector; an inside tubular body provided coaxially with the central body; a strut fixed inside the inside tubular body and supporting the central body on the inside tubular body, wherein the strut is straight in an axial direction; a center nozzle formed between the central body and the inside tubular body and configured to eject air jet flowing straight in the axial direction on a central axis of the pilot injector; an inside swirler provided on a radially outer side of the center nozzle and configured to cause inflow air to swirl around the central axis; and a pilot fuel injecting portion configured to inject the fuel from between the center nozzle and the inside swirler to air flow in the center nozzle. | ||
| 地址 | Kobe-shi JP | ||