JPH0332145U - - Google Patents
Info
- Publication number
- JPH0332145U JPH0332145U JP9251789U JP9251789U JPH0332145U JP H0332145 U JPH0332145 U JP H0332145U JP 9251789 U JP9251789 U JP 9251789U JP 9251789 U JP9251789 U JP 9251789U JP H0332145 U JPH0332145 U JP H0332145U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- control means
- cylinder number
- number control
- ignition timing
- 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
- 238000000746 purification Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Electrical Control Of Ignition Timing (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案による制御装置を備えた３気筒
ロータリピストンエンジンの概略的構成図、第２
図は第１図のエンジンのコールドスタート時にお
けるエンジン回転数の時間的変化を示す図、第３
図は制御のフローチヤート、第４図ａ〜ｃはエン
ジン回転数、排気ガス温度および車速の関係を示
すタイミングチヤートである。
１…エンジンハウジング、６Ａ，６Ｂ，６Ｃ…
ロータハウジング、１１…共通吸気通路、１４…
スロツトルバルブ、１５…バイパス通路、１６…
エアバルブ、１７Ａ，１７Ｂ，１７Ｃ…独立吸気
通路、１８Ａ，１８Ｂ，１８Ｃ…インジエクタ、
２１…燃料供給パイプ、２３Ａ，２３Ｂ，２３Ｃ
…独立排気通路、２４…共通排気通路、２５…触
媒コンバータ、２７Ａ，２７Ｂ，２７Ｃ…点火プ
ラグ、２８Ａ，２８Ｂ，２８Ｃ…イグニツシヨン
コイル、３０…コントロールユニツト。
Figure 1 is a schematic configuration diagram of a three-cylinder rotary piston engine equipped with a control device according to the present invention;
The figure shows the temporal change in engine speed during a cold start of the engine in Figure 1, and Figure 3.
The figure is a control flowchart, and Figures 4a to 4c are timing charts showing the relationship among engine speed, exhaust gas temperature, and vehicle speed. 1...Engine housing, 6A, 6B, 6C...
Rotor housing, 11... Common intake passage, 14...
Throttle valve, 15... Bypass passage, 16...
Air valve, 17A, 17B, 17C...independent intake passage, 18A, 18B, 18C...injector,
21...Fuel supply pipe, 23A, 23B, 23C
...Independent exhaust passage, 24...Common exhaust passage, 25...Catalytic converter, 27A, 27B, 27C...Spark plug, 28A, 28B, 28C...Ignition coil, 30...Control unit.
Claims (1)
角制御して上記排気浄化装置の暖機を促進させる
点火時期制御手段を備えた多気筒エンジンにおい
て、 上記点火時期の遅角制御に同期させて一部の気
筒の燃焼を休止させる気筒数制御手段と、 始動開始からエンジン回転数が所定回転数に達
するまでは、上記気筒数制御手段の動作を制限す
る制限手段と、 を備えていることを特徴とするエンジンの制御装
置。[Scope of Claim for Utility Model Registration] In a multi-cylinder engine equipped with an ignition timing control means that retards the ignition timing to promote warming up of the exhaust purification device when the exhaust gas purification device is in a low temperature state, cylinder number control means for suspending combustion in some of the cylinders in synchronization with the retardation control of the cylinder number control means; and limiting means for restricting the operation of the cylinder number control means from the start of engine rotation until the engine speed reaches a predetermined rotation speed. An engine control device comprising: and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251789U JPH0332145U (en) | 1989-08-08 | 1989-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251789U JPH0332145U (en) | 1989-08-08 | 1989-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332145U true JPH0332145U (en) | 1991-03-28 |
Family
ID=31641939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9251789U Pending JPH0332145U (en) | 1989-08-08 | 1989-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016109001A (en) * | 2014-12-04 | 2016-06-20 | マツダ株式会社 | Start control device of engine |
-
1989
- 1989-08-08 JP JP9251789U patent/JPH0332145U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016109001A (en) * | 2014-12-04 | 2016-06-20 | マツダ株式会社 | Start control device of engine |
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