JPH0476969U - - Google Patents
Info
- Publication number
- JPH0476969U JPH0476969U JP11933290U JP11933290U JPH0476969U JP H0476969 U JPH0476969 U JP H0476969U JP 11933290 U JP11933290 U JP 11933290U JP 11933290 U JP11933290 U JP 11933290U JP H0476969 U JPH0476969 U JP H0476969U
- Authority
- JP
- Japan
- Prior art keywords
- injection
- swirl
- spark plug
- utility
- respect
- 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
- 238000002347 injection Methods 0.000 claims 4
- 239000007924 injection Substances 0.000 claims 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例を示す側断面図、第
２図及び第３図は高負荷時及び低負荷時の噴霧パ
ターンを示す図面、第４図及び第５図は本考案の
別の実施例の第２図及び第３図に相当する図面、
第６図は噴霧パターンと燃費との関係を示す特性
図、第７図及び第８図は本考案と従来ノズルの低
負荷での噴霧パターンの一例を示す図面である。
１，３，１ａ，３ａ，１ｂ〜４ｂ，１ｃ〜４ｃ
……大口径噴口からの噴霧、２，４〜７，２ａ，
４ａ〜７ａ，５ｂ〜７ｂ，５ｃ〜７ｃ……小口径
噴口からの噴霧、１４，１５……点火プラグ。
Fig. 1 is a side sectional view showing one embodiment of the present invention, Figs. 2 and 3 are drawings showing spray patterns at high load and low load, and Figs. 4 and 5 are diagrams showing another embodiment of the present invention. Drawings corresponding to FIGS. 2 and 3 of the embodiment,
FIG. 6 is a characteristic diagram showing the relationship between the spray pattern and fuel efficiency, and FIGS. 7 and 8 are diagrams showing examples of the spray patterns of the present invention and the conventional nozzle at low loads. 1, 3, 1a, 3a, 1b~4b, 1c~4c
... Spray from a large diameter nozzle, 2,4 to 7,2a,
4a to 7a, 5b to 7b, 5c to 7c...Spray from small diameter nozzle, 14, 15... Spark plug.
Claims (1)
側の噴口を他の噴口より大きく形成したことを特
徴とする筒内噴射火花点火式エンジンの噴射ノズ
ル。 An injection nozzle for an in-cylinder injection spark ignition engine, characterized in that an injection port immediately upstream of a swirl with respect to a spark plug is formed larger than other injection ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11933290U JPH0476969U (en) | 1990-11-16 | 1990-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11933290U JPH0476969U (en) | 1990-11-16 | 1990-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476969U true JPH0476969U (en) | 1992-07-06 |
Family
ID=31867298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11933290U Pending JPH0476969U (en) | 1990-11-16 | 1990-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003534485A (en) * | 2000-05-26 | 2003-11-18 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01116220A (en) * | 1987-10-28 | 1989-05-09 | Isuzu Motors Ltd | Spark assist diesel engine |
-
1990
- 1990-11-16 JP JP11933290U patent/JPH0476969U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01116220A (en) * | 1987-10-28 | 1989-05-09 | Isuzu Motors Ltd | Spark assist diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003534485A (en) * | 2000-05-26 | 2003-11-18 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Fuel injection system |
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