| 摘要 |
The present invention discloses a fuel injection duct 100 for a combustion apparatus which comprises an inlet opening 10, an outlet opening 20, and an inner surface, wherein the inner surface exhibits a surface structure 30 imparting a swirl to fuel moving from the inlet opening 10 to the outlet opening 20, the fuel interacting with the surface structure 30 of the inner surface. The manufacture of a fuel injection duct 100 according to the present invention is easy and cost-effective and imparts a swirl to fuel flowing through the fuel injection duct 100. |
