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

1998-06-09

2000-12-19

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239558, F02M 3112

Patent

active

061617806

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 that the first circle. The second nozzle holes have an opening area smaller than that of the first nozzle holes. Thus, despite the fact that fuel flows at a lower rate upstream of inlet portions of the second nozzle holes than upstream of inlet portions of the first nozzle holes, it is possible to suitably atomize both the fuel spray injected through the first nozzle holes and the fuel spray injected through the second nozzle holes

REFERENCES:
patent: 2382151 (1945-08-01), Harper et al.
patent: 4057190 (1977-11-01), Kiwior et al.
patent: 4621772 (1986-11-01), Blythe et al.
patent: 4646974 (1987-03-01), Sofianek et al.
patent: 4865001 (1989-09-01), Jensen
patent: 4903898 (1990-02-01), Kind
patent: 5329908 (1994-07-01), Tarr et al.
patent: 5762272 (1998-06-01), Tani et al.
patent: 5921473 (1999-07-01), Romann

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