JPH0387928U - - Google Patents
Info
- Publication number
- JPH0387928U JPH0387928U JP15108589U JP15108589U JPH0387928U JP H0387928 U JPH0387928 U JP H0387928U JP 15108589 U JP15108589 U JP 15108589U JP 15108589 U JP15108589 U JP 15108589U JP H0387928 U JPH0387928 U JP H0387928U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- high pressure
- combustion chamber
- injection pump
- nozzle
- 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 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002699 waste material 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直接噴射式デ
イーゼルエンジンの概略構成図、第２図は燃焼室
の構造を示す断面図、第３図は高圧燃料噴射ポン
プの要部を示す断面図、第４図及び第５図は燃料
噴射ノズルのそれぞれ異なる例を示す拡大断面図
、第６図は排気ガス中のパテイキユレートとＮＯ
ｘの低減効果を示す線図である。
１……ピストン、２……燃焼室、３……燃料噴
射ノズル、４……高圧燃料噴射ポンプ、５……タ
ーボチヤージヤ、５ａ……ウエストゲート、６…
…インタークーラ、α……リエントラント角、３
ｃ，３Ａａ……噴孔、４ａ……等圧弁。
Fig. 1 is a schematic configuration diagram of a direct injection diesel engine showing an embodiment of the present invention, Fig. 2 is a cross-sectional view showing the structure of the combustion chamber, and Fig. 3 is a cross-sectional view showing the main parts of the high-pressure fuel injection pump. , Figures 4 and 5 are enlarged sectional views showing different examples of fuel injection nozzles, and Figure 6 shows particulate matter and NO in the exhaust gas.
FIG. 3 is a diagram showing the effect of reducing x. DESCRIPTION OF SYMBOLS 1... Piston, 2... Combustion chamber, 3... Fuel injection nozzle, 4... High pressure fuel injection pump, 5... Turbo charger, 5a... Waste gate, 6...
...Intercooler, α...Reentrant angle, 3
c, 3Aa... Nozzle hole, 4a... Equal pressure valve.
Claims (1)
焼室を形成されたピストンを有するエンジン本体
と、孔径の小さい噴孔から上記燃焼室に燃料を噴
射する燃料噴射ノズルと、この燃料噴射ノズルに
燃料を高圧で供給する高圧燃料噴射ポンプとを備
えた直接噴射式デイーゼルエンジン。 An engine body having a piston having a deep-dish combustion chamber with a large reentrant angle, a fuel injection nozzle that injects fuel into the combustion chamber from a small-diameter nozzle hole, and a fuel injection nozzle that injects fuel under high pressure. A direct injection diesel engine with a high pressure fuel injection pump and a high pressure fuel injection pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15108589U JPH0387928U (en) | 1989-12-27 | 1989-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15108589U JPH0387928U (en) | 1989-12-27 | 1989-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0387928U true JPH0387928U (en) | 1991-09-09 |
Family
ID=31697402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15108589U Pending JPH0387928U (en) | 1989-12-27 | 1989-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0387928U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119412A (en) * | 1975-04-10 | 1976-10-20 | Nissan Diesel Motor Co Ltd | Combustion chamber of diesel engine |
| JPS51123409A (en) * | 1975-04-07 | 1976-10-28 | Isuzu Motors Ltd | Construction of combustion chamber |
-
1989
- 1989-12-27 JP JP15108589U patent/JPH0387928U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51123409A (en) * | 1975-04-07 | 1976-10-28 | Isuzu Motors Ltd | Construction of combustion chamber |
| JPS51119412A (en) * | 1975-04-10 | 1976-10-20 | Nissan Diesel Motor Co Ltd | Combustion chamber of diesel engine |