Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-05-30

2006-05-30

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585300, C239S585400, C239S585500, C239S900000, C251S129160, C251S129190

Reexamination Certificate

active

07051960

ABSTRACT:
A fuel passage is formed through a movable core and a fixed core of a fuel injection valve. Communication passage(s) are formed in the movable core or the fixed core around the fuel passage. The communication passage(s) connect a facing space provided between the movable core and the fixed core with a space remote from the facing space. Fuel flows out of the facing space through the communication passage(s) when the fuel injection valve is opened and fuel flows into the facing space through the communication passage(s) when the fuel injection valve is closed.

REFERENCES:
patent: 4662567 (1987-05-01), Knapp
patent: 5732888 (1998-03-01), Maier et al.
patent: 6079642 (2000-06-01), Maier
patent: 6405947 (2002-06-01), Fochtman
patent: 6648249 (2003-11-01), Dallmeyer

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