Fuel injection valve

A fuel injection valve comprising:

• a nozzle body having a frond edge portion at which an injection hole is provided;
• a needle that is slidably arranged in the nozzle body and sits on a seat portion in the nozzle body, the needle and the nozzle body forming a fuel introduction path therebetween;
• a spiral fuel path that is formed at an upstream side of the seat portion, and gives a flow which swirls around the needle to a fuel which is introduced from the fuel introduction path and supplied to the injection hole;
• and
• an acceleration portion that is formed between the seat portion and the injection hole, accelerates the swirling fuel which has passed through the fuel path, and generates a negative pressure at the center of swirling flow of the fuel to generate an air core;
• wherein the fuel path is formed to the outside of an outer peripheral surface of the needle.