| 摘要 |
<p>Disclosed is a fuel spray nozzle (16) provided with a spray block (18) having, on the inside thereof, an air passage (17) through which nebulizing air (4') passes, and a fuel injection valve (20) which injects a fuel (19) while adjusting the flow rate of the fuel by performing a duty control and which is provided in a part of the air passage (17) on the inside of the spray block (18). The nebulizing air (4') is introduced from the base end of the spray block (18) at a flow rate of 9 m/s or more, and is sprayed from an injection port (21) on the tip side.</p> |
