JPH031238U - - Google Patents
Info
- Publication number
- JPH031238U JPH031238U JP6284789U JP6284789U JPH031238U JP H031238 U JPH031238 U JP H031238U JP 6284789 U JP6284789 U JP 6284789U JP 6284789 U JP6284789 U JP 6284789U JP H031238 U JPH031238 U JP H031238U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- exhaust systems
- output
- catalyst
- exhaust
- 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
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
Landscapes
- Electrical Control Of Ignition Timing (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は、本願考案のクレーム対応図、第２図
は、本願考案の実施例に係るエンジンの制御装置
のシステム系統図、第３図は、同実施例装置の点
火時期制御動作を示すフローチヤート、第４図は
、同燃料噴射量制御動作を示すフローチヤート、
第５図は、上記第３図の点火時期制御動作の内容
を示す特性図、第６図は、上記第４図の燃料噴射
量制御特性を示すグラフ、第７図は、上記本考案
実施例の出力特性を従来例と対比して示すグラフ
、第８図は、Ｖ型エンジンに於ける左右バンクの
排圧の相違を示すグラフ、第９図は、同触媒温度
の差を示すグラフである。
１…エンジン本体、４Ｌ…左バンク、４Ｒ…右
バンク、１１…第１のＯ２センサ、１２…第２の
Ｏ２センサ、１４Ｌ…第１気筒群側の排気通路、
１４Ｒ…第２気筒群側の排気通路、１５Ａ…副三
元触媒コンバータ（第１の触媒）、１５Ｂ…主三
元触媒コンバータ（第２の触媒）、３０…エンジ
ンコントロールユニツト（ＥＣＵ）、５１〜５６
…吸気マニホールド、９１〜９６…排気マニホー
ルド、１００…第１気筒群、２００…第２気筒群
。
Fig. 1 is a claim correspondence diagram of the invention, Fig. 2 is a system system diagram of an engine control device according to an embodiment of the invention, and Fig. 3 is a flowchart showing the ignition timing control operation of the embodiment device. FIG. 4 is a flowchart showing the fuel injection amount control operation,
FIG. 5 is a characteristic diagram showing the contents of the ignition timing control operation shown in FIG. 3 above, FIG. 6 is a graph showing the fuel injection amount control characteristics shown in FIG. 4 above, and FIG. Figure 8 is a graph showing the difference in exhaust pressure between the left and right banks in a V-type engine, and Figure 9 is a graph showing the difference in catalyst temperature. . 1...Engine body, 4L...Left bank, 4R...Right bank, 11...First O 2 sensor, 12... Second O 2 sensor, 14L... Exhaust passage on the first cylinder group side,
14R...Exhaust passage on the second cylinder group side, 15A...Sub three-way catalytic converter (first catalyst), 15B...Main three-way catalytic converter (second catalyst), 30...Engine control unit (ECU), 51- 56
...Intake manifold, 91-96...Exhaust manifold, 100...First cylinder group, 200...Second cylinder group.
Claims (1)
気系に第１の触媒を配置する一方、それら両排気
系の集合部に第２の触媒を配置してなるエンジン
において、上記２系統の排気系の各排気系が対応
するエンジンの出力を相互に独立に制御するエン
ジン出力制御手段を設け、該エンジン出力制御手
段により上記第１の触媒が設けられた排気系が対
応するエンジン側出力を他方側排気系が対応する
エンジン出力よりも所定量増大方向に制御するよ
うにしたことを特徴とするエンジンの制御装置。 In an engine equipped with two exhaust systems, in which a first catalyst is disposed in one of the exhaust systems, and a second catalyst is disposed in the meeting point of both exhaust systems, the above two exhaust systems are arranged. Engine output control means is provided for mutually independently controlling the output of the engine to which each of the exhaust systems corresponds, and the engine output control means controls the output of the engine to which the exhaust system provided with the first catalyst corresponds. An engine control device characterized in that the other side exhaust system is controlled to increase the output of the corresponding engine by a predetermined amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6284789U JPH077568Y2 (en) | 1989-05-29 | 1989-05-29 | Engine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6284789U JPH077568Y2 (en) | 1989-05-29 | 1989-05-29 | Engine controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH031238U true JPH031238U (en) | 1991-01-09 |
| JPH077568Y2 JPH077568Y2 (en) | 1995-02-22 |
Family
ID=31592366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6284789U Expired - Lifetime JPH077568Y2 (en) | 1989-05-29 | 1989-05-29 | Engine controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077568Y2 (en) |
-
1989
- 1989-05-29 JP JP6284789U patent/JPH077568Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH077568Y2 (en) | 1995-02-22 |