JPH02131047U - - Google Patents
Info
- Publication number
- JPH02131047U JPH02131047U JP3898989U JP3898989U JPH02131047U JP H02131047 U JPH02131047 U JP H02131047U JP 3898989 U JP3898989 U JP 3898989U JP 3898989 U JP3898989 U JP 3898989U JP H02131047 U JPH02131047 U JP H02131047U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- purge amount
- adjustment means
- control
- 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
- 239000000446 fuel Substances 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図面は本考案の実施例を例示し、第１図は全体
概略構成図、第２図および第３図はコントロール
ユニツトの作動制御を示すフローチヤート図、第
４図はＯ２センサの出力信号と空燃比との関係を
示す図、第５図はリニア・パージ・ソレノイドの
デユーテイ比の時間変化を示す図である。
１３……インジエクタ（空燃比調整手段）、２
８……リニア・パージ・ソレノイド（パージ量調
節手段）、４１……空燃比制御手段、４２……パ
ージ量制御手段。
The drawings illustrate an embodiment of the present invention; FIG. 1 is a general schematic diagram, FIGS. 2 and 3 are flowcharts showing the operation control of the control unit, and FIG. 4 is a diagram showing the output signal of the O 2 sensor. A diagram showing the relationship with the air-fuel ratio, and FIG. 5 is a diagram showing the change over time in the duty ratio of the linear purge solenoid. 13...Injector (air-fuel ratio adjustment means), 2
8... Linear purge solenoid (purge amount adjustment means), 41... Air-fuel ratio control means, 42... Purge amount control means.
Claims (1)
、空燃比が目標空熱比になるように上記空燃比調
整手段をフイードバツク制御する空燃比制御手段
と、蒸発燃料のパージ量を調節するパージ量調節
手段と、該パージ量調節手段のパージ量を制御す
るパージ量制御手段とを備え、上記空燃比制御手
段とパージ量制御手段とで単位時間当りの制御量
の変化率を同一に設定したことを特徴とするエン
ジンの制御装置。 an air-fuel ratio adjustment means for adjusting the air-fuel ratio of the engine; an air-fuel ratio control means for performing feedback control on the air-fuel ratio adjustment means so that the air-fuel ratio becomes a target air-heat ratio; and a purge amount adjustment means for adjusting the purge amount of vaporized fuel. and purge amount control means for controlling the purge amount of the purge amount adjustment means, and the air-fuel ratio control means and the purge amount control means set the same rate of change in the control amount per unit time. Characteristic engine control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3898989U JPH02131047U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3898989U JPH02131047U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131047U true JPH02131047U (en) | 1990-10-30 |
Family
ID=31547487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3898989U Pending JPH02131047U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131047U (en) |
-
1989
- 1989-03-31 JP JP3898989U patent/JPH02131047U/ja active Pending
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