Patent ID: 6918548

Claim:
An electronic fuel injector comprising a movable part having a valve member provided at a fore end of said movable part, and a swirler for swirling fuel and guiding movement of said valve member provided at the fore end of said movable part, wherein said valve member is made of SUS440C, wherein said swirler is formed of a powder sintered compact of stainless steel having corrosion resistance and wear resistance, wherein martensitic stainless steel, ferritic stainless steel, or austenitic stainless steel including SUS410, SUS410L, and SUS440C is used as a material of said swirler formed of a powder sintered compact, and wherein said swirler formed of a powder sintered compact has a hardness which is smaller than a hardness of said valve member and which is not less than 90 HRB after sintering.