| 摘要 |
PROBLEM TO BE SOLVED: To individually assemble and test a valve group and a coil group by forming a fuel injector in module structure. SOLUTION: This module fuel injector is provided with a valve group assembly 200 and a coil group assembly 300. The valve group assembly is provided with a pipe assembly, and the pipe assembly has an inlet pipe having an inlet pipe surface, and is provided with a seat, a lift sleeve and a needle assembly having a needle surface. At least one of the needle surface and the inlet pipe surface has a first part substantially inclined to the longitudinal axis, and is provided with an elastic member 270, an adjusting pipe engaged with the elastic member to adjust the pressing force, and a first fitting part. The coil group sub-assembly is provided with a solenoid coil 310 and a second fitting part.
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