Fuel injector flow director plate retainer

Details Fuel injector flow director plate retainer Fuel injector flow director plate retainer

2005-04-12

2005-04-12

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S585100, C239S596000, C239S533200

Reexamination Certificate

active

06877678

ABSTRACT:
A fuel injector flow director plate assembly having a conventional flow director plate and a director plate retainer disposed in a recess in the fuel injector, the retainer having any of several novel structures for reducing buildup of fuel in the corner between the plate retainer and the recess wall and eliminating dripping of fuel. For example, the retainer may be provided with a long skirt having a small diameter; a shorter skirt; a spherical skirt; a skirt stepped axially; a skirt formed as an axial flange on a separate ring member which is installed outside the retainer itself, the flange protruding through the retainer; a separate ring member installed outside a retainer and having an opening of diameter smaller than the opening in the retainer; and a separate ring member installed inside the retainer and having an opening of diameter smaller than the opening in the retainer.

REFERENCES:
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patent: 5718387 (1998-02-01), Awarzamani et al.
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patent: 5862991 (1999-01-01), Willke et al.
patent: 6170763 (2001-01-01), Fuchs et al.
patent: 6173914 (2001-01-01), Hopf et al.
patent: 6390067 (2002-05-01), Haltiner et al.
patent: 6575382 (2003-06-01), Fischer et al.

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