To reduce dispersion in collision sound generated when closing a valve element per product.
This fuel injection valve is provided with a housing 3, a core 4 fixed in the housing 3, an electromagnetic coil 5 provided on an outer side of the core 4, a valve main body 13 fixed to the housing 3, the barlike valve element 9 provided in the valve main body 13 and capable of reciprocating and sliding inside the valve main body, an armature 10 fixed to a one end part of the valve element 9 and attracted to the core 4 by carrying current to the electromagnetic coil 5, a seat part 11a on which the other end face of the valve element 9 is abutted on a one end part of the valve main body 13, and a valve seat 11 having an injection port part 11b through which fuel passes. A variable clearance part A in which area of flow passage of fuel is reduced when the valve element 9 moves toward the valve seat 11 is formed between an end face of the armature 10 and an end face of the valve main body 13.
| JP2002285936 | FUEL INJECTION VALVE |
| JP2021101104 | FUEL INJECTION CONTROL DEVICE |
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
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