JPS5922984U - fuel injection nozzle - Google Patents
fuel injection nozzleInfo
- Publication number
- JPS5922984U JPS5922984U JP11859282U JP11859282U JPS5922984U JP S5922984 U JPS5922984 U JP S5922984U JP 11859282 U JP11859282 U JP 11859282U JP 11859282 U JP11859282 U JP 11859282U JP S5922984 U JPS5922984 U JP S5922984U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- cylindrical part
- needle valve
- injection nozzle
- tip
- 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.)
- Granted
Links
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図は従来の燃料噴射ノズルを示す要部の断面図、−
第２図はこの考案に係る燃料噴射ノズルの −一実施例
を示す要部の断面図、第３薗はそめ■−■線に沿った断
面図、第４図はその動作説明図、第５図は本考案の燃料
噴射ノズルの噴射特性を従 来のものと比較して示
す特性図である。Figure 1 is a sectional view of the main parts of a conventional fuel injection nozzle, -
Fig. 2 is a cross-sectional view of the essential parts of one embodiment of the fuel injection nozzle according to this invention; The figure is a characteristic diagram showing the injection characteristics of the fuel injection nozzle of the present invention in comparison with a conventional one.
Claims (1)
ボディ内に摺動自在に収納され、先端のニードルフェイ
ス部が上記噴孔を開閉するニードルバルブとを備えた燃
料噴射ノズルはおいて、上−記ノズル杢ディ先端部内壁
面に円筒部を設ける化ともに、上記ニードルバルブに円
柱部を設けて、−両者間の流路断面積を上記噴孔の開口
総面積よりも小さく設定する一方、上記円柱部にニード
ルバルブの軸線方向に沿った燃料バイパス用の溝を刻設
して、この溝の端部と上記円筒部端縁との間に、ニード
ルバルブのリフト長よりも軸線方向長さの短い流量規制
部を構成し−たことを特徴とする燃料、４ 第１ 噴射ノズル。[Claims for Utility Model Registration] A nozzle body with a nozzle hole formed at its tip, and a needle valve that is slidably housed within the nozzle body and whose needle face at the tip opens and closes the nozzle hole. In the fuel injection nozzle, a cylindrical part is provided on the inner wall surface of the tip of the nozzle, and a cylindrical part is provided in the needle valve, and the cross-sectional area of the flow passage between the two is defined as the total opening area of the nozzle hole. On the other hand, a fuel bypass groove is carved in the cylindrical part along the axial direction of the needle valve, and between the end of this groove and the edge of the cylindrical part, the lift of the needle valve is 4. A first injection nozzle comprising a flow rate regulating portion having an axial length shorter than its length.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11859282U JPS5922984U (en) | 1982-08-04 | 1982-08-04 | fuel injection nozzle |
| US06/519,265 US4540126A (en) | 1982-04-08 | 1983-08-01 | Fuel injection nozzle |
| CA000433816A CA1203730A (en) | 1982-08-04 | 1983-08-03 | Fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11859282U JPS5922984U (en) | 1982-08-04 | 1982-08-04 | fuel injection nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5922984U true JPS5922984U (en) | 1984-02-13 |
| JPS6115251Y2 JPS6115251Y2 (en) | 1986-05-12 |
Family
ID=33307382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11859282U Granted JPS5922984U (en) | 1982-04-08 | 1982-08-04 | fuel injection nozzle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5922984U (en) |
| CA (1) | CA1203730A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04134666U (en) * | 1991-06-07 | 1992-12-15 | 株式会社ゼクセル | fuel injection nozzle |
| WO2014119472A1 (en) * | 2013-02-04 | 2014-08-07 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
-
1982
- 1982-08-04 JP JP11859282U patent/JPS5922984U/en active Granted
-
1983
- 1983-08-03 CA CA000433816A patent/CA1203730A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04134666U (en) * | 1991-06-07 | 1992-12-15 | 株式会社ゼクセル | fuel injection nozzle |
| WO2014119472A1 (en) * | 2013-02-04 | 2014-08-07 | 日立オートモティブシステムズ株式会社 | Fuel injection valve |
| JP2014148955A (en) * | 2013-02-04 | 2014-08-21 | Hitachi Automotive Systems Ltd | Fuel injection valve |
| US9617963B2 (en) | 2013-02-04 | 2017-04-11 | Hitachi Automotive Systems, Ltd. | Fuel injection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6115251Y2 (en) | 1986-05-12 |
| CA1203730A (en) | 1986-04-29 |
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