JPS58156120U - Secondary combustion chamber of spark-assisted swirl chamber diesel engine - Google Patents
Secondary combustion chamber of spark-assisted swirl chamber diesel engineInfo
- Publication number
- JPS58156120U JPS58156120U JP5374582U JP5374582U JPS58156120U JP S58156120 U JPS58156120 U JP S58156120U JP 5374582 U JP5374582 U JP 5374582U JP 5374582 U JP5374582 U JP 5374582U JP S58156120 U JPS58156120 U JP S58156120U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- spark
- assisted
- diesel engine
- chamber
- 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
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Spark Plugs (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図は従来の機関の要部を示す断面図、第２図は本考
案による第１実施例の副燃焼室を示す断面図、第３図は
第２図の■−■矢視断面図、第４図は本考案による第２
実施例の副燃焼室を示す断面図、第５図は第４図のＶ−
Ｖ矢視断面図、第６図は本考案による第３実施例の副燃
焼室を示す断面図、第７図は第６図の■−■矢視断面図
、第８図は本考案による第４実施例の副燃焼室を示す断
面図、第９図は第８図のＩＸ−ＩＸ矢視断面図、第１０
図は本考案による第５実施例の副燃焼室を示す断面図、
第１１図は第１０図のＸＩ−ＸＩ矢視断面図、第１２図
は本考案による第６実施例の副燃焼室を示す断面図、第
１３図は第１２図のｘｍ−ｘ■矢視断面図、第１４図は
空気渦流上流部のドーム半径と突起部下流部のドーム半
径との比に対する出力及びＨＣ排出量の変化状態を示す
線図である。
１０・・・副燃焼室、２０・・・シリンダヘッド、３０
・・・燃料噴射弁、４０・・・スパークプラグ、５０・
・・噴口、６０・・・燃料噴霧、７０・・・突起部、Ｓ
・・・空気渦流。
第１め １−
ゝ５０
才２閉
＼ ／′
４θ
＼５０
１６日
（５０−
オ８目Fig. 1 is a sectional view showing the main parts of a conventional engine, Fig. 2 is a sectional view showing the auxiliary combustion chamber of the first embodiment of the present invention, and Fig. 3 is a sectional view taken along the ■-■ arrow in Fig. 2. , Figure 4 shows the second diagram according to the present invention.
A sectional view showing the auxiliary combustion chamber of the embodiment, FIG.
6 is a sectional view showing the auxiliary combustion chamber of the third embodiment according to the present invention, FIG. 7 is a sectional view taken along the ■-■ arrow in FIG. 6, and FIG. 9 is a sectional view showing the sub-combustion chamber of the fourth embodiment, FIG. 9 is a sectional view taken along the line IX-IX in FIG.
The figure is a sectional view showing the sub-combustion chamber of the fifth embodiment according to the present invention,
11 is a sectional view taken along the line XI-XI in FIG. 10, FIG. 12 is a sectional view showing the auxiliary combustion chamber of the sixth embodiment of the present invention, and FIG. 13 is taken along the line xm-x■ in FIG. 12. The cross-sectional view, FIG. 14, is a diagram showing changes in output and HC discharge amount with respect to the ratio of the dome radius at the upstream side of the air vortex and the dome radius at the downstream side of the protrusion. 10... Secondary combustion chamber, 20... Cylinder head, 30
...Fuel injection valve, 40...Spark plug, 50.
... Nozzle, 60 ... Fuel spray, 70 ... Projection, S
... Air vortex. 1st 1- ゝ50 years old 2nd closing\ /' 4θ \50 16th (50- 8th day
Claims (1)
同副燃焼室内に燃料噴射弁とスパークプラグとを有する
スパークアシスト式渦室ディーゼル機関において、上記
副燃焼室内で上記スパークプラグを上記燃料噴射弁より
空気渦流の下流側に配置すると共に、空気渦流の上記ス
パークプラグより下流側の副燃焼室壁に同空気渦流の流
れ方向と交叉する方向へ伸びた突起部を設けたことを特
徴とするスパークアシスト式渦室ディーゼル機関の副燃
焼室。The cylinder head has an auxiliary combustion chamber that communicates with the main combustion chamber,
In a spark-assisted swirl chamber diesel engine having a fuel injection valve and a spark plug in the auxiliary combustion chamber, the spark plug is disposed in the auxiliary combustion chamber on the downstream side of the air vortex from the fuel injection valve, and A sub-combustion chamber of a spark-assisted swirl chamber diesel engine, characterized in that a protrusion extending in a direction intersecting the flow direction of the air vortex is provided on a wall of the sub-combustion chamber downstream of the spark plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5374582U JPS58156120U (en) | 1982-04-15 | 1982-04-15 | Secondary combustion chamber of spark-assisted swirl chamber diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5374582U JPS58156120U (en) | 1982-04-15 | 1982-04-15 | Secondary combustion chamber of spark-assisted swirl chamber diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58156120U true JPS58156120U (en) | 1983-10-18 |
Family
ID=30064396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5374582U Pending JPS58156120U (en) | 1982-04-15 | 1982-04-15 | Secondary combustion chamber of spark-assisted swirl chamber diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58156120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61101629U (en) * | 1984-12-11 | 1986-06-28 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493196A (en) * | 1972-04-26 | 1974-01-11 | ||
| JPS49134517A (en) * | 1972-11-03 | 1974-12-25 |
-
1982
- 1982-04-15 JP JP5374582U patent/JPS58156120U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493196A (en) * | 1972-04-26 | 1974-01-11 | ||
| JPS49134517A (en) * | 1972-11-03 | 1974-12-25 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61101629U (en) * | 1984-12-11 | 1986-06-28 |
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