JPS58146064U - Internal combustion engine exhaust recirculation control device - Google Patents
Internal combustion engine exhaust recirculation control deviceInfo
- Publication number
- JPS58146064U JPS58146064U JP4195882U JP4195882U JPS58146064U JP S58146064 U JPS58146064 U JP S58146064U JP 4195882 U JP4195882 U JP 4195882U JP 4195882 U JP4195882 U JP 4195882U JP S58146064 U JPS58146064 U JP S58146064U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- internal combustion
- sensor
- combustion engine
- exhaust recirculation
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の構成図、第２図は本考案の一実施例の
構成図、第３図は第２図コントロールユニットのブロッ
ク図、第４図は第３図のフローチャート、第５図は機関
回転数と吸入空気量とによる吸入負圧の特性図である。
１１・・・内燃機関、１２・・・排気通路、１３・・・
吸気絞り弁、１４・・・吸気通路、１５・・・ＥＧＲ通
路、１６・・・ＥＧＲ制御弁、１８・・・負圧制御弁、
１９・・・コントロールユニット、２０・・・回転セン
サ、２４・・・空気量センサ、２５・・・吸入負圧セン
サ、２８・・・ＥＧＲ基準値演算回路、２９・・・負圧
演算回路、３０・・・比較回路、３２・・・ＥＧＲ補正
量演算回路、３３・・・補正回路、３４・・・ドライバ
。Fig. 1 is a block diagram of a conventional example, Fig. 2 is a block diagram of an embodiment of the present invention, Fig. 3 is a block diagram of the control unit shown in Fig. 2, Fig. 4 is a flow chart of Fig. 3, and Fig. 5 is a block diagram of the control unit of Fig. 2. is a characteristic diagram of intake negative pressure depending on engine speed and intake air amount. 11... Internal combustion engine, 12... Exhaust passage, 13...
Intake throttle valve, 14... Intake passage, 15... EGR passage, 16... EGR control valve, 18... Negative pressure control valve,
19... Control unit, 20... Rotation sensor, 24... Air amount sensor, 25... Intake negative pressure sensor, 28... EGR reference value calculation circuit, 29... Negative pressure calculation circuit, 30... Comparison circuit, 32... EGR correction amount calculation circuit, 33... Correction circuit, 34... Driver.
Claims (1)
を備えた内燃機関において、機関の回転速度を検出する
回転センサと、機関の吸入空気量を検出する空気量セン
サと、機関の吸入負圧を検出する吸入負圧センサと、前
記回転センサ及び空気量センサから出力された回転速度
と吸入空気量とに基ついて基準排気還流量及び基準吸入
負圧値を演算する、手段は、該演算手段から出力された
基準吸入負圧と吸入負圧センサから出力された機関の吸
入負圧とを比較して基準排気還流量を補正制御する手段
と、を備えてなる内燃機関の排気還流制御装置。In an internal combustion engine that is equipped with a mechanism that purifies the exhaust gas by circulating a portion of the exhaust gas back into the intake system, a rotation sensor that detects the rotational speed of the engine, an air amount sensor that detects the amount of intake air in the engine, and a Means for calculating a reference exhaust recirculation amount and a reference suction negative pressure value based on a suction negative pressure sensor that detects suction negative pressure, and the rotation speed and intake air amount output from the rotation sensor and the air amount sensor, Exhaust recirculation for an internal combustion engine, comprising means for correcting and controlling a reference exhaust recirculation amount by comparing the reference negative suction pressure output from the calculation means and the engine suction negative pressure output from the suction negative pressure sensor. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4195882U JPS58146064U (en) | 1982-03-26 | 1982-03-26 | Internal combustion engine exhaust recirculation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4195882U JPS58146064U (en) | 1982-03-26 | 1982-03-26 | Internal combustion engine exhaust recirculation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58146064U true JPS58146064U (en) | 1983-10-01 |
Family
ID=30053127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4195882U Pending JPS58146064U (en) | 1982-03-26 | 1982-03-26 | Internal combustion engine exhaust recirculation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58146064U (en) |
-
1982
- 1982-03-26 JP JP4195882U patent/JPS58146064U/en active Pending
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