Patent ID: 7383812
Filing Date: 2008-06-10
Classification: F02M

Abstract:
1. A fuel injector comprising: a valve body with a plurality of nozzle holes for injecting fuel in a hollow spray from the fuel injector, the plurality of nozzle holes each including an outlet; wherein the valve body also includes at least one air-introducing aperture with an air outlet port provided between the outlets of the plurality of nozzle holes, the air introducing aperture for introducing air into a hollow area of the hollow spray, and wherein the air introducing aperture is located radially inward of a radially outermost one of the plurality of nozzle holes; and a plurality of air outlet ports, wherein the plurality of nozzle holes are arranged in a plurality of groups of at least three, and wherein each of the air outlet ports is provided between the outlets of one group of the nozzle holes.