Patent ID: 9309851
Filing Date: 2016-04-12
CPC Classification: F02M

Claim Text:
1. A fuel injection valve disposed in an internal combustion engine for injecting fuel radially, the valve comprising: a valve housing that includes a plurality of fuel nozzle holes arranged in a circumferential direction of the valve housing, wherein: each of the plurality of fuel nozzle holes includes a fuel inlet and a fuel outlet, and is inclined toward an outer peripheral side in a direction from the fuel inlet to the fuel outlet; an outer imaginary circle is defined along the circumferential direction of the valve housing; an inner imaginary circle is defined radially inward of the outer imaginary circle and concentrically with the outer imaginary circle; the plurality of fuel nozzle holes includes a plurality of outer nozzle holes and a plurality of inner nozzle holes, which are arranged alternately in the circumferential direction of the valve housing; an opening edge portion of each of the plurality of outer nozzle holes on its fuel outlet-side includes an innermost peripheral edge portion, which is located on the innermost peripheral side of the valve housing and is positioned on the inner imaginary circle; the outer imaginary circle passes through an outer peripheral side of the innermost peripheral edge portion; an opening edge portion of each of the plurality of inner nozzle holes on its fuel outlet-side includes an outermost peripheral edge portion, which is located on the outermost peripheral side of the valve housing and is positioned on the outer imaginary circle; and the inner imaginary circle passes through an inner peripheral side of the outermost peripheral edge portion; and a valve member that is accommodated and configured to reciprocate in the valve housing to open or close the plurality of fuel nozzle holes, thereby performing or stopping the fuel injection through the plurality of fuel nozzle holes.