Electromagnetic fuel injection valve
A fuel injection valve, electromagnetic technology, applied in the direction of fuel injection devices, charging systems, machines/engines, etc., can solve the problems such as the reduction of the magnetic circuit cross-sectional area of the coil shell, and the magnetic characteristics of the electromagnetic fuel injection valve are not optimal, etc. Achieve the effect of improving the magnetic properties, suppressing the cross-sectional area of the magnetic circuit, and suppressing the transmission
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[0045] Hereinafter, embodiments of the present invention will be described based on preferred embodiments of the present invention shown in the drawings.
[0046] figure 1 It is a longitudinal sectional view of the electromagnetic fuel injection valve for an internal combustion engine according to the first embodiment of the present invention, figure 2 yes figure 1 2 enlargements of , image 3 is an independent longitudinal sectional view of a coil assembly with a coupling in the electromagnetic fuel injection valve, Figure 4 represents a second embodiment of the invention, is with figure 2 Corresponding sectional view.
[0047] First, start with Figure 1 ~ Figure 3 A first embodiment of the invention is shown for illustration.
[0048] existfigure 1 and figure 2 Among them, the valve sleeve 1 of the electromagnetic fuel injection valve 1 for an internal combustion engine is composed of the following parts: a cylindrical valve seat member 2; a magnetic cylinder 4 c...
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