JPH01148041U - - Google Patents
Info
- Publication number
- JPH01148041U JPH01148041U JP4296588U JP4296588U JPH01148041U JP H01148041 U JPH01148041 U JP H01148041U JP 4296588 U JP4296588 U JP 4296588U JP 4296588 U JP4296588 U JP 4296588U JP H01148041 U JPH01148041 U JP H01148041U
- Authority
- JP
- Japan
- Prior art keywords
- cylinders
- engine
- cylinder
- exhaust gas
- internal combustion
- 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
- 230000009849 deactivation Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 238000004880 explosion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (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図は本考案の一実施例を示す構成図、第2
図は気筒休止の制御ルーチンのフローチヤート、
第3図は全気筒運転している場合におけるトルク
変動を示すグラフ、第4図は6番気筒を休止させ
た場合におけるトルク変動を示すグラフ、第5図
は1番および6番気筒を休止させた場合における
トルク変動を示すグラフである。
11,12,13,14,15,16,17,
18……気筒、26……スロツトルセンサ、29
……回転数センサ。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a flowchart of the cylinder deactivation control routine.
Figure 3 is a graph showing torque fluctuations when all cylinders are operating, Figure 4 is a graph showing torque fluctuations when cylinder No. 6 is deactivated, and Figure 5 is a graph showing torque fluctuations when cylinders No. 1 and 6 are deactivated. It is a graph showing torque fluctuation when 11, 12, 13, 14, 15, 16, 17,
18... Cylinder, 26... Throttle sensor, 29
...Rotation speed sensor.
Claims (1)
媒に流入するよう構成された多気筒内燃機関であ
つて、機関が減速運転状態にあることを検出する
手段と、エンジン回転数センサと、減速運転中で
あつてエンジン回転数が所定値以下の時、全気筒
の一部であつて2以上の気筒を休止させる手段と
を備え、上記2以上の気筒は、爆発行程が一定の
クランク角毎に行なわれる気筒であることを特徴
とする多気筒内燃機関の気筒休止制御装置。 A multi-cylinder internal combustion engine configured such that exhaust gas from each cylinder joins and flows into an exhaust gas purifying catalyst, the engine comprising means for detecting that the engine is in a deceleration operating state, an engine rotation speed sensor, and a deceleration means for deactivating two or more cylinders that are part of all the cylinders when the engine speed is below a predetermined value during operation, and the two or more cylinders have an explosion stroke at every constant crank angle. A cylinder deactivation control device for a multi-cylinder internal combustion engine, characterized in that cylinder deactivation is performed on the cylinders.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4296588U JPH01148041U (en) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4296588U JPH01148041U (en) | 1988-04-01 | 1988-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01148041U true JPH01148041U (en) | 1989-10-13 |
Family
ID=31269368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4296588U Pending JPH01148041U (en) | 1988-04-01 | 1988-04-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01148041U (en) |
-
1988
- 1988-04-01 JP JP4296588U patent/JPH01148041U/ja active Pending
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