JPS6117420U - Multi-fuel direct injection internal combustion engine - Google Patents
Multi-fuel direct injection internal combustion engineInfo
- Publication number
- JPS6117420U JPS6117420U JP10269484U JP10269484U JPS6117420U JP S6117420 U JPS6117420 U JP S6117420U JP 10269484 U JP10269484 U JP 10269484U JP 10269484 U JP10269484 U JP 10269484U JP S6117420 U JPS6117420 U JP S6117420U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- nozzle
- internal combustion
- injection nozzle
- combustion engine
- 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
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図から第８図は本考案の多種燃料直接噴射式内燃機
関の一実施例を示す図であり、第１図はその正面断面図
、第２図はそのピストン頂面図、第３図ａから第３図Ｃ
は角度αが３０°のときのスワールの流れ方向の副燃料
の噴霧の流れを示す説明図、第４図ａから第４図Ｃは角
度αが４５°のときのスワールの流れ方向の副燃料の噴
霧の流れを示す説明図、第５図は噴射角度αとβとキャ
ビテイ中心付近のスモークの量との関係を示す特性図、
第６図は噴射角度α、．βと排気中のスモークの量との
関係を示す特性図、第７図ａがら第７図Ｃは角度βが３
０゜のときのスワールの流れと逆方向の副燃料の噴霧の
流れを示す説明図、第８図ａから第８図Ｃは角度βが４
５°のときのスヮールの流れと逆方向の副燃料の噴霧の
流れを示す説明図、第９，１０図は従来の多種燃料直接
噴射式内燃機関を示す図であり、第９図はその正面断面
図、第１０図はそのピストン頂面図である。
１６・・・燃焼室、１７・・・主燃料噴射ノズル、１８
・・・副燃料噴射ノズル。1 to 8 are views showing an embodiment of the multi-fuel direct injection internal combustion engine of the present invention, in which FIG. 1 is a front sectional view thereof, FIG. 2 is a top view of its piston, and FIG. a to Figure 3C
is an explanatory diagram showing the flow of the auxiliary fuel spray in the flow direction of the swirl when the angle α is 30°, and FIGS. 4A to 4C are the auxiliary fuel spray flow in the flow direction of the swirl when the angle α is 45°. FIG. 5 is a characteristic diagram showing the relationship between the injection angles α and β and the amount of smoke near the center of the cavity.
Figure 6 shows the injection angle α, . Characteristic diagrams showing the relationship between β and the amount of smoke in the exhaust, Figures 7a to 7C show that the angle β is 3.
Explanatory diagrams showing the swirl flow at 0° and the flow of the auxiliary fuel spray in the opposite direction, Figures 8a to 8C are when the angle β is 4
An explanatory diagram showing the flow of the swale at 5° and the flow of the auxiliary fuel spray in the opposite direction. Figures 9 and 10 are diagrams showing a conventional multi-fuel direct injection internal combustion engine, and Figure 9 is a front view of the engine. The sectional view and FIG. 10 are top views of the piston. 16... Combustion chamber, 17... Main fuel injection nozzle, 18
...Auxiliary fuel injection nozzle.
Claims (1)
噴射ノズルと、機関燃焼室に自己着火性の高い副燃料を
噴射する副燃料噴射ノズルと、を備え、自己着火した副
燃料の火炎により主燃料に着火し、燃焼室内に形成され
るスワールにより燃焼を促進する多種燃料直接噴射式内
燃機関において、前記副燃料噴射ノズルに複数個の噴孔
を形成するとともに当該複数の噴孔を２組に区分し、副
燃料噴射ノズルから主燃料噴射ノズルに向かう方向に対
して、該一の組の噴孔を所定角度以上の角度を有してス
ワールの流れ方向に指尚させ、他の組の噴孔を所定角度
以上の角度を有してスヮールの流れと逆方向に指向させ
たことを特徴とする多種燃料直接噴射式内燃機関。A main fuel injection nozzle that injects a main fuel with low self-ignition property into the engine combustion chamber, and a sub-fuel injection nozzle that injects a sub-fuel with high self-ignition property into the engine combustion chamber, and the flame of the self-ignited sub fuel is In a multi-fuel direct injection internal combustion engine, in which the main fuel is ignited by the fuel and the combustion is promoted by the swirl formed in the combustion chamber, a plurality of nozzle holes are formed in the auxiliary fuel injection nozzle, and two or more nozzle holes are formed in the auxiliary fuel injection nozzle. The injection holes of one group are pointed in the flow direction of the swirl at an angle of a predetermined angle or more with respect to the direction from the auxiliary fuel injection nozzle to the main fuel injection nozzle, and the injection holes of the other group are divided into groups. 1. A multi-fuel direct injection internal combustion engine, characterized in that the nozzle holes are oriented in a direction opposite to the flow of the swale at an angle greater than a predetermined angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10269484U JPS6117420U (en) | 1984-07-06 | 1984-07-06 | Multi-fuel direct injection internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10269484U JPS6117420U (en) | 1984-07-06 | 1984-07-06 | Multi-fuel direct injection internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6117420U true JPS6117420U (en) | 1986-01-31 |
Family
ID=30662092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10269484U Pending JPS6117420U (en) | 1984-07-06 | 1984-07-06 | Multi-fuel direct injection internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11795867B2 (en) | 2020-01-30 | 2023-10-24 | Mitsubishi Heavy Industries, Ltd. | Opposed-piston engine |
-
1984
- 1984-07-06 JP JP10269484U patent/JPS6117420U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11795867B2 (en) | 2020-01-30 | 2023-10-24 | Mitsubishi Heavy Industries, Ltd. | Opposed-piston engine |
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