Flow area armature for fuel injector

Details Flow area armature for fuel injector Flow area armature for fuel injector

1994-08-18

1996-02-27

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

25112921, F02M 5100

Patent

active

054942241

ABSTRACT:
The armature has a tubular wall bounding a main axial through-hole. The upper axial end has a larger outside diameter than does the lower axial end. A portion of the tubular wall lying between these upper and lower ends has a frustoconical exterior surface. A single through-hole extends through the tubular wall at this frustoconical surface to non-perpendicularly intersect the main axial through-hole. The upper end of a needle valve is inserted into the lower axial end of the main through-hole, and the two parts are joined there by welding and/or crimping. The inserted end of the needle valve does not obstruct the single through-hole extending through the tubular wall so that fuel entering the armature via the open upper end of the main through-hole will change direction to pass out of the armature through the single through-hole in the tubular wall.

REFERENCES:
patent: 4575009 (1986-03-01), Giraudi
patent: 4653525 (1987-03-01), Young
patent: 4662567 (1987-05-01), Knapp
patent: 4700891 (1987-10-01), Hans et al.
patent: 5174505 (1992-12-01), Shen
patent: 5207387 (1993-05-01), Bergstrom
patent: 5348229 (1994-09-01), Wood et al.
patent: 5427319 (1995-06-01), Bata

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