| 摘要 |
In an annular combustion chamber (10) formed above an impact cylinder (4), there is formed, so as to face in the combustion chamber (10), an injection nozzle (21) for injecting a flammable gas and is provided a rotating fan (24 ) for mixing in the combustion chamber a combustion gas fed into the combustio n chamber (10) and air. A whirl flow producer (whirl flow producing means)(33) is formed at a position on the upstream side of the injection nozzle, the position being in an airflow produced in the combustion chamber (10) by the rotating fan (24). A whirl flow is produced near the injection nozzle (21) i n the combustion chamber (10) by the whirl flow producing means (33), and this promotes mixture of the combustion gas and the air.
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