Electromagnetic fuel injection valve

Details Electromagnetic fuel injection valve Electromagnetic fuel injection valve

1995-10-03

1998-02-10

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

239124, 25112921, B05B 130, B05B 900

Patent

active

057160104

ABSTRACT:
An electromagnetic fuel injection valve prevents fuel bubbles from staying at a downstream side of the valve's stopper plate and helps to inject fuel smoothly. The electromagnetic injection valve includes a needle having a valve head opening and closing a valve seat, an electromagnetic coil portion for actuating the needle electromagnetically and a contact portion disposed at the downstream side of the stopper plate on the needle. The stopper plate includes a notch accommodating the needle therein and bubble discharge surfaces made outwardly from the notch to discharge bubbles produced at the downstream side of the contact portion toward the upstream side thereof and help the fuel flow smoothly.

REFERENCES:
patent: 4700891 (1987-10-01), Hans et al.
patent: 4717080 (1988-01-01), Sauer
patent: 5222674 (1993-06-01), Hans et al.

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