Patent Number: 6,308,684

Title: Fuel injection valve having a plurality of injection holes

Abstract: In a fuel injection valve to be installed in a plurality of intake ports in each cylinder for engines, the fuel injection valve has a plate provided with a plurality of injection holes classified to first and second groups. The first group injection holes are so arranged on a circumference of a first circle so that fuel from the respective injection holes may be injected toward a first intake port and the second injection holes are so arranged on a circumference of a second circle so that fuel from the respective injection holes may be injected toward a second intake port. Diameters of the first and second circles are different so that the fuel flow amount distribution rate of the first group of injection holes to the second group of injection holes may be adjusted to a predetermined value on target.

Inventors: Konishi; Masaaki (Chiryu, JP)

Assignee: Denso Corporation

International Classification: F02M 61/18 (20060101); F02M 61/00 (20060101); F02M 061/18 ()

Expiration Date: 10/30/2018