Fuel injector

Details Fuel injector Fuel injector

2005-11-22

2005-11-22

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533200, C239S533300, C239S585100, C239S585200, C239S585300, C239S585400, C239S585500

Reexamination Certificate

active

06966504

ABSTRACT:
A fuel injector, in particular for the direct injection of fuel into a combustion chamber of an internal combustion engine, includes a valve needle that has at its injector end a valve-closure member that works together with a valve-seat surface formed on a valve-seat member, to form a sealing seat. The fuel injector also includes at least one swirl duct; a swirl chamber formed on the valve-seat member, and a plurality of injection openings that open out from the swirl chamber, through which the fuel, provided with a swirl, is simultaneously injected. The at least one swirl duct is formed in the valve-seat member or in a swirl disk adjacent to the valve-seat member.

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