Fuel injection valve for an internal combustion engine

Details Fuel injection valve for an internal combustion engine Fuel injection valve for an internal combustion engine

2008-04-01

2008-04-01

Hwu, Davis D. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Orifice in separable disc or plate

C239S088000, C239S533200, C239S533120, C239S585100, C239S585300, C239S585400, C239S585500

Reissue Patent

active

RE040199

ABSTRACT:
A fuel jet adjusting plate has first nozzle holes arranged along a first circle coaxial with a central axis of a valve body and second nozzle holes arranged along a second circle coaxial with the central axis and having a diameter larger than that of the first circle. Each hole axis of the second nozzle holes forms an acute angle with a reference plane perpendicular to the central axis of the valve body smaller than that formed by each hole axis of the first nozzle holes with the reference plane. Hence, fuel sprays injected through the first nozzle holes can be directed away from fuel sprays injected through the second nozzle holes. As a result, the fuel sprays injected through the first nozzle holes do not interfere with the fuel sprays injected through the second nozzle holes, which makes it possible to suitably atomize injected fuel.

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