| 摘要 |
FIELD: pipe line fittings. SUBSTANCE: valve needle 34 has connecting part 32 which is used to connect armature 36 and shut-off member 37, it is made from shaped semifinished item. profiled connecting part 32 forms flow passages together with armature 36. Fuel flowing through flow passages gets below in way of flow passages beyond connecting part 32 of valve seat 22; therefore, no fuel outlet holes are required in connecting part. Needle is mainly used for fuel injectors of internal combustion engines including compression of mixture and forced ignition. EFFECT: simplified construction. 9 cl, 10 dwg
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