JPS5990071U - internal combustion engine fuel injection valve - Google Patents
internal combustion engine fuel injection valveInfo
- Publication number
- JPS5990071U JPS5990071U JP18568782U JP18568782U JPS5990071U JP S5990071 U JPS5990071 U JP S5990071U JP 18568782 U JP18568782 U JP 18568782U JP 18568782 U JP18568782 U JP 18568782U JP S5990071 U JPS5990071 U JP S5990071U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- combustion engine
- internal combustion
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims description 8
- 238000002347 injection Methods 0.000 title claims description 8
- 239000007924 injection Substances 0.000 title claims description 8
- 238000002485 combustion reaction Methods 0.000 title claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のポペット型燃料噴射弁の構造を示す断面
図、第２図は第１図のＡ部拡大図、第３図は第１図およ
び第２図に示す燃料噴射弁のリフト特性図、第４図は同
じ〈従来の燃料噴射弁において空間Ｅが制約される場合
の説明図、第５図はこの考案に係る燃料噴射弁の一実施
例を示す要部断面図、第６図はこの考案の他の実施例を
示す要部断面図である。
１・・・ポペット型燃料噴射弁、２ａ・・・バルブシー
ト部、２Ｃ・・・シート部内筒部、３・・・ニードル弁
、３ａ・・・フェース部、３ｂ・・・テーパ部、３Ｃ・
・・中間部。Figure 1 is a sectional view showing the structure of a conventional poppet type fuel injection valve, Figure 2 is an enlarged view of section A in Figure 1, and Figure 3 is the lift characteristics of the fuel injection valve shown in Figures 1 and 2. 4 are the same <Explanatory diagram when space E is restricted in a conventional fuel injection valve, FIG. 5 is a sectional view of essential parts showing an embodiment of the fuel injection valve according to this invention, and FIG. FIG. 2 is a cross-sectional view of main parts showing another embodiment of this invention. DESCRIPTION OF SYMBOLS 1... Poppet type fuel injection valve, 2a... Valve seat part, 2C... Seat part inner cylinder part, 3... Needle valve, 3a... Face part, 3b... Taper part, 3C...
...Middle part.
Claims (1)
ードル弁のリフト特性を決定するチー・パ部と、バルブ
シート部に対応するフェース部との間の中間部の径を、
前記フェース部の最大径よりも小さく設定するか、また
は、前記中間部に対応するボディ本体の径を、前記フェ
ース部の最大径より大きく設定して、ニードル弁とボデ
ィ本体間に形成される空間部容積を確保したことを特徴
とする内燃機関の燃料噴射弁。In a poppet-type fuel injection valve for an internal combustion engine, the diameter of the intermediate part between the tipper part, which determines the lift characteristics of the needle valve, and the face part, which corresponds to the valve seat part, is
A space formed between the needle valve and the body by setting the diameter smaller than the maximum diameter of the face part, or by setting the diameter of the body main body corresponding to the intermediate part to be larger than the maximum diameter of the face part. A fuel injection valve for an internal combustion engine, characterized by ensuring a sufficient volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18568782U JPS5990071U (en) | 1982-12-07 | 1982-12-07 | internal combustion engine fuel injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18568782U JPS5990071U (en) | 1982-12-07 | 1982-12-07 | internal combustion engine fuel injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5990071U true JPS5990071U (en) | 1984-06-18 |
Family
ID=30401284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18568782U Pending JPS5990071U (en) | 1982-12-07 | 1982-12-07 | internal combustion engine fuel injection valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5990071U (en) |
-
1982
- 1982-12-07 JP JP18568782U patent/JPS5990071U/en active Pending
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