JPH03102059U - - Google Patents
Info
- Publication number
- JPH03102059U JPH03102059U JP1185090U JP1185090U JPH03102059U JP H03102059 U JPH03102059 U JP H03102059U JP 1185090 U JP1185090 U JP 1185090U JP 1185090 U JP1185090 U JP 1185090U JP H03102059 U JPH03102059 U JP H03102059U
- Authority
- JP
- Japan
- Prior art keywords
- spray
- cap
- fuel injection
- injector
- type
- 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
- 239000007921 spray Substances 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１〜７図は本考案の一実施例としてのピント
ルタイプの２スプレー式燃料噴射用インジエクタ
を示すもので、第１図は本考案によるインジエク
タの縦断面図（第２図の−線による断面図）
、第２図は第１図を方向より見たキヤツプの端
面図、第３図は切り込み溝についての別の例を示
したスプレー穴の正面図、第４図はスプレー穴か
ら噴射される燃料の噴霧流速分布を説明する図、
第５図は噴口部に作用する力を説明する図、第６
図および第７図はそれぞれスプレー穴の他の例を
第２図に対応させて示す端面図である。
１……ケース、２……ニードル部、３……ニー
ドル部先端、４……ノズル、５……キヤツプ、６
……スプレー穴、７，７′……切り込み溝、７ａ
……突起、８……張り出し溝、ａ……スプレー穴
より噴射される噴射燃料の主流、ｂ……切り込み
溝からの交差流、ｃ……旋回流。
1 to 7 show a pintle-type two-spray fuel injection injector as an embodiment of the present invention, and FIG. 1 is a longitudinal cross-sectional view of the injector according to the present invention (a cross-sectional view taken along figure)
, Fig. 2 is an end view of the cap viewed from the direction of Fig. 1, Fig. 3 is a front view of the spray hole showing another example of the notch, and Fig. 4 is a view of the fuel injected from the spray hole. A diagram explaining the spray velocity distribution,
Figure 5 is a diagram explaining the force acting on the nozzle part, Figure 6
7 and 7 are end views showing other examples of spray holes corresponding to FIG. 2, respectively. 1... Case, 2... Needle part, 3... Needle part tip, 4... Nozzle, 5... Cap, 6
... Spray hole, 7, 7' ... Cut groove, 7a
... protrusion, 8 ... overhanging groove, a ... main flow of injected fuel injected from the spray hole, b ... cross flow from the cut groove, c ... swirling flow.
Claims (1)
インジエクタにおいて、２つのスプレー穴を有す
る２スプレーキヤツプが該インジエクタのニード
ル部先端を覆うように設けられて、該２スプレー
キヤツプに、該２つのスプレー穴を、各スプレー
穴の中心に対し同じ方向にオフセツトした位置で
つなぐ切り込み溝が形成されたことを特徴とする
、ピントルタイプの２スプレー式燃料噴射用イン
ジエクタ。 (2) ピントルタアプの２スプレー式燃料噴射用
インジエクタにおいて、２つのスプレー穴を有す
る２スプレーキヤツプが該インジエクタのニード
ル部先端を覆うように設けられて、該２スプレー
キヤツプに、該２つのスプレー穴の各中心間を結
ぶ線分に対し交差する方向に延在し上記２つのス
プレー穴をつなぐ切り込み溝が形成されたことを
特徴とする、ピントルタイプの２スプレー式燃料
噴射用インジエクタ。[Claims for Utility Model Registration] (1) In a pintle-type two-spray fuel injection injector, a two-spray cap having two spray holes is provided to cover the tip of the needle portion of the injector, and the two-spray cap has two spray holes. A pintle type two-spray fuel injection injector, characterized in that a cut groove is formed in the cap to connect the two spray holes at a position offset in the same direction with respect to the center of each spray hole. (2) In a 2-spray type fuel injection injector for a pintortor app, a 2-spray cap having two spray holes is provided to cover the tip of the needle portion of the injector, and the 2-spray cap has two spray holes. A pintle-type two-spray fuel injection injector, characterized in that a cut groove is formed that extends in a direction intersecting a line segment connecting the respective centers and connects the two spray holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185090U JPH03102059U (en) | 1990-02-08 | 1990-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185090U JPH03102059U (en) | 1990-02-08 | 1990-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03102059U true JPH03102059U (en) | 1991-10-24 |
Family
ID=31515366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1185090U Pending JPH03102059U (en) | 1990-02-08 | 1990-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03102059U (en) |
-
1990
- 1990-02-08 JP JP1185090U patent/JPH03102059U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03102059U (en) | ||
| JPH0161461U (en) | ||
| JPS59172273U (en) | Hole type fuel injection nozzle | |
| JPH01148059U (en) | ||
| JPH0437070U (en) | ||
| JPS6129061U (en) | engine fuel supply system | |
| JPS6162278U (en) | ||
| JPH01148060U (en) | ||
| JPS62101065U (en) | ||
| JPH0180664U (en) | ||
| JPS6439473U (en) | ||
| JPH03122264U (en) | ||
| JPH023021U (en) | ||
| JPS61118969U (en) | ||
| JPH0212069U (en) | ||
| JPS6295174U (en) | ||
| JPS63156463U (en) | ||
| JPS6136125U (en) | Swirl chamber diesel engine fuel injection system | |
| JPS61164468U (en) | ||
| JPS59119971U (en) | Diesel engine fuel injection nozzle | |
| JPS58161663U (en) | External mixing gas-liquid atomizing nozzle | |
| JPS59123668U (en) | Hole type fuel injection nozzle | |
| JPH0235966U (en) | ||
| JPS61160227U (en) | ||
| JPH0342389U (en) |