| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a surface treatment method improving at least one of corrosion resistance, cost, an environmental load, and productivity, in a fuel delivery pipe. <P>SOLUTION: This fuel delivery pipe distributively supplies fuel to the fuel injection valves of a plurality of cylinders provided to an internal combustion engine. The fuel delivery pipe includes a fuel delivery pipe body composed of aluminum alloy and distributing fuel to the fuel injection valves, and a seal portion sealing connection of the fuel delivery pipe body with the fuel injection valves by using an O-ring. The fuel delivery pipe body has an anodic oxide coating. <P>COPYRIGHT: (C)2010,JPO&INPIT |
