| 摘要 |
PROBLEM TO BE SOLVED: To provide a spark ignition type cylinder injection valve capable of inhibiting fuel adhesion to an intake valve and a cylinder wall surface at cylinder injection.SOLUTION: A fuel injection valve according to the present invention comprises at least a member in which an injection hole for fuel is provided, and a valve element contacting with or separating from a valve seat. The injection hole comprises an injection hole inlet opened in the inside of the member, and an injection hole outlet opened in the outside of the member. A round chamfer is formed on the opening edge of the injection hole inlet, and a cross-sectional area of the injection hole parallel to the inlet opening is configured to become small as advancing from the injection hole inlet towards the injection hole outlet.SELECTED DRAWING: Figure 12 |
