Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-04-25

2006-04-25

Argenbright, Tony M. (Department: 3747)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S463000, C239S585500

Reexamination Certificate

active

07032845

ABSTRACT:
A fuel injector for the direct injection of fuel into a combustion chamber of an internal combustion engine is provided, which injector includes a valve needle having at its spray-discharge end a valve-closure member, which cooperates with a valve-seat surface formed on a valve-seat member to form a sealing seat. At least one swirl channel is provided in a section of the valve-seat member surrounding the valve needle, and at least one spray-discharge orifice is provided in the valve-seat member. The at least one swirl channel, when viewed through the swirl channel in the flow direction of the fuel, is inclined counter to the spray-discharge direction relative to the center axis of the valve needle.

REFERENCES:
patent: 5299919 (1994-04-01), Paul et al.
patent: 2003/0116651 (2003-06-01), Heyse
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patent: 198 43 895 (2000-03-01), None
patent: 199 07 899 (2000-08-01), None
patent: 101 09 345 (2001-08-01), None
patent: 09 250428 (1997-09-01), None

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