JPS6363533U - - Google Patents
Info
- Publication number
- JPS6363533U JPS6363533U JP15821686U JP15821686U JPS6363533U JP S6363533 U JPS6363533 U JP S6363533U JP 15821686 U JP15821686 U JP 15821686U JP 15821686 U JP15821686 U JP 15821686U JP S6363533 U JPS6363533 U JP S6363533U
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- swirl
- load
- spray
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示すシリンダヘツ
ドの側断面図、第２図は点火プラグの配置を示す
上面図、第３図は第２図のＣ―Ｃ′断面図、第４
図は第２図のＤ―Ｄ′断面図、第５図および第６
図はそれぞれ第３図および第４図の点火プラグを
通る水平断面の混合気濃度を示す図面、第７図は
従来装置の第２図に相当する図面、第８図は第７
図のＡ―Ａ′断面図、第９図は第８図のＢ―Ｂ′
断面における混合気濃度を示す図面、第１０図お
よび第１１図はそれぞれ高負荷時および低負荷時
の望ましい着火可能プラグ位置を説明する図面で
ある。
Ｅ１〜Ｅ４……噴霧、Ｇ……可燃範囲、Ｊ１〜
Ｊ４……噴霧中心、Ｋ，ＫＨ，ＫＬ……着火可能
プラグ位置、Ｎ……噴射ノズル、ＰＨ……高負荷
用点火プラグ、ＰＬ……低負荷用点火プラグ、Ｓ
……スワール、Ｖ……キヤビテイ、Ｚ……噴霧領
域。
Fig. 1 is a side sectional view of a cylinder head showing one embodiment of the present invention, Fig. 2 is a top view showing the arrangement of spark plugs, Fig. 3 is a sectional view taken along line C-C' in Fig.
The figures are DD' cross-sectional view of Figure 2, Figures 5 and 6.
The figures show the mixture concentration in a horizontal cross section through the spark plug in Figures 3 and 4 respectively, Figure 7 is a diagram corresponding to Figure 2 of the conventional device, and Figure 8 is a diagram showing the mixture concentration in the horizontal section passing through the spark plug in Figure 4.
AA' cross-sectional view in the figure, Figure 9 is B-B' in Figure 8.
The drawings showing the mixture concentration in the cross section, FIG. 10 and FIG. 11, are drawings illustrating the desirable ignitable plug positions at high load and low load, respectively. E1~E4...Spray, G...Flammable range, J1~
J4... Spray center, K, KH, KL... Ignitable plug position, N... Injection nozzle, PH... Spark plug for high load, PL... Spark plug for low load, S
...Swirl, V...Cavity, Z...Spray area.
Claims (1)
機関において、低負荷用の点火プラグと高負荷用
の点火プラグとを設け、これら両プラグを燃料噴
霧内で噴霧中よりスワールの下流側に配置すると
ともに、高負荷用の点火プラグを噴霧領域内のス
ワール上流側に、低負荷用の点火プラグを噴霧領
域内のスワールの下流側に配置したことを特徴と
する内燃機関の点火装置。 In an internal combustion engine that injects fuel into a cylinder and ignites it with a spark plug, a low-load spark plug and a high-load spark plug are provided, and these plugs are placed downstream of the swirl within the fuel spray. An ignition device for an internal combustion engine, characterized in that a high-load spark plug is disposed on the upstream side of the swirl in the spray region, and a low-load spark plug is disposed on the downstream side of the swirl in the spray region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986158216U JPH0614034Y2 (en) | 1986-10-17 | 1986-10-17 | Internal combustion engine ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986158216U JPH0614034Y2 (en) | 1986-10-17 | 1986-10-17 | Internal combustion engine ignition device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6363533U true JPS6363533U (en) | 1988-04-26 |
| JPH0614034Y2 JPH0614034Y2 (en) | 1994-04-13 |
Family
ID=31081498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986158216U Expired - Lifetime JPH0614034Y2 (en) | 1986-10-17 | 1986-10-17 | Internal combustion engine ignition device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614034Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147870U (en) * | 1989-05-17 | 1990-12-14 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62183076U (en) * | 1986-05-13 | 1987-11-20 |
-
1986
- 1986-10-17 JP JP1986158216U patent/JPH0614034Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62183076U (en) * | 1986-05-13 | 1987-11-20 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147870U (en) * | 1989-05-17 | 1990-12-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614034Y2 (en) | 1994-04-13 |
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