Injection valve for injecting fuel directly into a combustion ch

Details Injection valve for injecting fuel directly into a combustion ch Injection valve for injecting fuel directly into a combustion ch

1997-05-20

1999-03-09

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Spray fluid pressure responsive discharge modifier

239584, 239590, F02M 6702

Patent

active

058789618

ABSTRACT:
An injection valve, particularly for injecting fuel directly into a combustion chamber of an internal combustion engine, has a flow path whose end region encompasses an annular gap on the outlet side, and which, in the open state, has at least one annular injection opening that is provided on the outlet side in a closing part, downstream of the annular gap with respect to the flow direction. To achieve good fuel distribution during injection, particularly in a combustion chamber of an internal combustion engine, and to be able to set the penetration of the fuel stream into the combustion chamber, means are associated with the annular gap that determine the cross section of the flow path establishing the flow volume such that this cross section has varying radial widths in a circumferential direction of the annular gap.

REFERENCES:
patent: 1758119 (1930-05-01), Le Moon
patent: 2187797 (1940-01-01), Tedeschi
patent: 3791589 (1974-02-01), Pagdin
patent: 4597558 (1986-07-01), Hafoser et al.
patent: 5048497 (1991-09-01), Kishida et al.
patent: 5058549 (1991-10-01), Hashimoto et al.
patent: 5516047 (1996-05-01), Kubach et al.

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