| 摘要 |
PURPOSE: An injector is provided to reduce manufacturing costs and time, while allowing for ease of observation of the interior of the injector and preventing deformation of the injector. CONSTITUTION: An injector comprises an injector body(30) having a nozzle portion(35) for receiving an oxidizing agent and a case portion(31) for receiving a fuel; a bush(40) arranged to surround a discharge port(41) of the nozzle portion of the injector body and inserted into the case portion; and a fixing unit for fixing the case portion and the bush in such a manner that the case portion and the bush are separable from each other. The fixing unit includes an injector nut(50) which gets caught at the bush and is screw-coupled to the outer surface of the case portion; and a rubber ring(43) for maintaining an airtightness between the outer surface of the bush and the inner surface of the case portion.
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