Fuel injection valve

Details Fuel injection valve Fuel injection valve

2005-02-15

2005-02-15

Moulis, Thomas N. (Department: 3747)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

Reexamination Certificate

active

06854670

ABSTRACT:
A fuel injection valve includes a valve seat member, and an injector plate which is coupled to a front end face of the valve seat member and has a plurality of fuel injection orifices disposed about an axis of the valve seat member to communicate with a valve seat. Swirling means for swirling a fuel injected from each of the fuel injection orifices is provided in at least one of the valve seat member and the injector plate. The plurality of fuel injection orifices are disposed so that liquid membrane portions of adjoining hollow conical fuel spray forms formed by the fuel injected from the fuel injection orifices collide with one another. Thus, the atomization of the injected fuel can be further promoted, and a coalesced fuel spray form having a fuel particle density higher in a central zone and lower in an outer peripheral zone can be formed.

REFERENCES:
patent: 5875972 (1999-03-01), Ren et al.
patent: 6145761 (2000-11-01), Muller et al.
patent: 6161782 (2000-12-01), Heinbuck et al.
patent: 6494388 (2002-12-01), Mueller et al.
patent: 6513724 (2003-02-01), Joseph et al.
patent: 2659789 (1997-06-01), None

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