JPH0459376U - - Google Patents
Info
- Publication number
- JPH0459376U JPH0459376U JP10152190U JP10152190U JPH0459376U JP H0459376 U JPH0459376 U JP H0459376U JP 10152190 U JP10152190 U JP 10152190U JP 10152190 U JP10152190 U JP 10152190U JP H0459376 U JPH0459376 U JP H0459376U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- spark plugs
- injection
- spark ignition
- spark
- 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
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１図はこの考案の実施例を示す構成図、第２
図は同じくコントローラ内での制御動作の一例を
示すフローチヤート、第３図〜第６図はそれぞれ
他の実施例を示すフローチヤート、第７図は実験
結果から求めた触媒の浄化率特性図である。
２……燃焼室、４，５……点火プラグ、８……
コントローラ、１５……酸化触媒。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
The figure is a flowchart showing an example of the control operation within the controller, Figures 3 to 6 are flowcharts showing other examples, and Figure 7 is a characteristic diagram of the purification rate of the catalyst obtained from the experimental results. be. 2... Combustion chamber, 4, 5... Spark plug, 8...
Controller, 15...oxidation catalyst.
Claims (1)
排気通路に排気中の未燃燃料成分を浄化するため
の触媒を介装した筒内噴射火花点火式エンジンに
おいて、排気温度を直接または間接的に検出する
手段と、この排気温度が所定値以下のときに複数
の点火プラグのうち１個だけを作動させてほかの
点火プラグの作動を休止する手段を設けたことを
特徴とする触媒装置付筒内噴射火花点火式エンジ
ン。 Directly or indirectly detects exhaust temperature in direct-injection spark ignition engines that have multiple spark plugs in the combustion chamber and a catalyst in the exhaust passage to purify unburned fuel components in the exhaust. and a means for operating only one of the plurality of spark plugs and stopping the operation of the other spark plugs when the exhaust gas temperature is below a predetermined value. Injection spark ignition engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10152190U JPH0459376U (en) | 1990-09-27 | 1990-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10152190U JPH0459376U (en) | 1990-09-27 | 1990-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0459376U true JPH0459376U (en) | 1992-05-21 |
Family
ID=31845049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10152190U Pending JPH0459376U (en) | 1990-09-27 | 1990-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0459376U (en) |
-
1990
- 1990-09-27 JP JP10152190U patent/JPH0459376U/ja active Pending
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