JPS63134168U

JPS63134168U -

Info

Publication number: JPS63134168U
Application number: JP2700587U
Authority: JP
Priority date: 1987-02-25
Filing date: 1987-02-25
Publication date: 1988-09-02

Description

[Brief explanation of the drawing]

第１図は本実施例による電磁式燃料噴射弁を示
す側断面図、第２図はストツパーにＵ字状の開口
部を設けた実施例を示す正面図、第３図は第２図
のＡ―Ａ線断面図、第４図はストツパーにＶ字状
の開口部を設けた実施例を示す正面図、第５図は
第４図のＢ―Ｂ線断面図、第６図はストツパーに
四角形状の開口部を設けた実施例を示す正面図、
第７図は第６図のＣ―Ｃ線断面図、第８図は駆動
信号に対するバルブの動きを示す説明図、第９図
は従来例と本実施例とによる駆動信号の幅に対す
る燃料の噴射量の直線性の範囲の比較を示す説明
図である。８……ストツパー、１０……バルブ、１１……
切欠き部、１２……フランジ部。 Fig. 1 is a side sectional view showing an electromagnetic fuel injection valve according to the present embodiment, Fig. 2 is a front view showing an embodiment in which a U-shaped opening is provided in the stopper, and Fig. 3 is A of Fig. 2. - A sectional view taken along line A, Figure 4 is a front view showing an embodiment in which the stopper has a V-shaped opening, Figure 5 is a sectional view taken along line B-B in Figure 4, and Figure 6 shows a square shaped opening in the stopper. A front view showing an example in which a shaped opening is provided;
FIG. 7 is a sectional view taken along the line CC in FIG. 6, FIG. 8 is an explanatory diagram showing the movement of the valve in response to the drive signal, and FIG. 9 is the fuel injection with respect to the width of the drive signal according to the conventional example and this embodiment. FIG. 2 is an explanatory diagram showing a comparison of ranges of linearity of quantities. 8... Stopper, 10... Valve, 11...
Notch portion, 12...flange portion.

Claims

[Scope of utility model registration request]

A valve that moves back and forth using electromagnetic attraction, a flange formed on the side circumferential surface of the valve, and a flange provided opposite to and in contact with the flange. 1. An electromagnetic fuel injection valve comprising a stopper for regulating the stroke end of the valve, characterized in that the stopper has a notch-shaped opening.