| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel injector respectively and continuously matching three members with no need of laser welding. SOLUTION: A body 52 has an inlet part, an outlet part and a fuel passage 58; a moving piece 46 is arranged in the vicinity of the inlet part of the body; a needle 68 connected for the action to the moving piece is arranged; a seat part 64 arranged in the vicinity of the outlet part of the body has a first surface 78, a second surface, a seat part passage and a swirl generating part communicated with the seat part passage and formed on the first surface; and a flat disk in the vicinity of the first surface has an aperture for guiding the needle 68 and at least one opening communicated with the swirl generating part of the seat part. |
