| 摘要 |
PURPOSE: A fuel injection nozzle for a ship engine and a manufacturing method thereof are provided to improve the heat resistance and abrasion resistance by supplying air and cooling water to a nozzle head. CONSTITUTION: A fuel injection nozzle for a ship engine comprises a nozzle body, a nozzle head and a space part. A hollow is formed in the nozzle body in a longitudinal direction in order to rotate a needle(200). The nozzle head is formed at one end of the nozzle body. The space part is formed to the circumference direction from the nozzle head on the outside of the hollow. The joint is formed on one end of the nozzle body. The joint is inserted into the bonding groove, and the nozzle body and the nozzle head are brazed.
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