Dual mode fuel injector with one piece needle valve member

Details Dual mode fuel injector with one piece needle valve member Dual mode fuel injector with one piece needle valve member

2005-01-18

2005-01-18

Mar, Michael (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533400, C239S533900, C239S533110, C239S585500

Reexamination Certificate

active

06843434

ABSTRACT:
A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively by inner and outer needle value members. The homogenous charged nozzle outlet set is defined by an outer needle value member that is moveably positioned in an injector body, which defines the conventional nozzle outlet set. The inner needle valve member is positioned in the outer needle valve member. The outer needle valve member is a piece component that includes at least one external guide surface, an external value surface and an internal valve seat.

REFERENCES:
patent: 4151958 (1979-05-01), Hofmann
patent: 4205790 (1980-06-01), Keiczek
patent: 4526323 (1985-07-01), Seifert
patent: 4856713 (1989-08-01), Burnett
patent: 5458292 (1995-10-01), Hapeman
patent: 5544816 (1996-08-01), Nally et al.
patent: 5875743 (1999-03-01), Dickey
patent: 6279840 (2001-08-01), Buckley
patent: 6340121 (2002-01-01), Lambert

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