JPS62126555U - - Google Patents
Info
- Publication number
- JPS62126555U JPS62126555U JP1275486U JP1275486U JPS62126555U JP S62126555 U JPS62126555 U JP S62126555U JP 1275486 U JP1275486 U JP 1275486U JP 1275486 U JP1275486 U JP 1275486U JP S62126555 U JPS62126555 U JP S62126555U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- egr
- passage
- valve
- throttle valve
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Description
第１，２図はこの考案の実施例を示し、第１図
は過給機付内燃機関におけるＥＧＲ制御装置の回
路説明図、第２図はＥＧＲ制御のフローチヤート
である。
図において、２は内燃機関、４は排気タービン
式の過給機、６は給気通路、８は排気通路、１０
は気化器、１２はスロツトルバルブ、２０はＥＧ
Ｒ通路、２２はＥＧＲ調整弁、２８はダイヤフラ
ム、３０はバネ、３２は第１圧力室、３４は第２
圧力室、３８は第１圧力通路、４２は第２圧力通
路、４４は開閉弁、４６は制御部、４８は回転数
センサ、５０は圧力センサ、５２は開度センサ、
５４は水温センサである。
1 and 2 show an embodiment of this invention, FIG. 1 is a circuit explanatory diagram of an EGR control device in a supercharged internal combustion engine, and FIG. 2 is a flowchart of EGR control. In the figure, 2 is an internal combustion engine, 4 is an exhaust turbine supercharger, 6 is an air supply passage, 8 is an exhaust passage, and 10
is the carburetor, 12 is the throttle valve, 20 is the EG
R passage, 22 is an EGR adjustment valve, 28 is a diaphragm, 30 is a spring, 32 is a first pressure chamber, 34 is a second pressure chamber
A pressure chamber, 38 a first pressure passage, 42 a second pressure passage, 44 an on-off valve, 46 a control unit, 48 a rotational speed sensor, 50 a pressure sensor, 52 an opening sensor,
54 is a water temperature sensor.
Claims (1)
を調整するＥＧＲ調整弁を設け、このＥＧＲ調整
弁を作動させる圧力応動体の一側に区画形成され
た第１圧力室にスロツトルバルブ上流側の圧力を
導入する第１圧力通路を設けるとともに前記圧力
応動体の他側に区画形成された第２圧力室にスロ
ツトルバルブ下流側の負圧領域圧力を導入する第
２圧力通路を設け、前記第２圧力通路の途中には
前記内燃機関の運転状態に応じて開閉制御される
開閉弁を設けたことを特徴とするＥＧＲ制御装置
。 An EGR adjustment valve that adjusts the amount of EGR is provided in the EGR passage of a supercharged internal combustion engine, and a first pressure chamber defined on one side of the pressure-responsive body that operates the EGR adjustment valve is provided on the upstream side of the throttle valve. A first pressure passage is provided for introducing the pressure of the throttle valve, and a second pressure passage is provided for introducing the negative pressure region pressure downstream of the throttle valve into a second pressure chamber defined on the other side of the pressure responsive body, An EGR control device characterized in that an on-off valve is provided in the middle of the second pressure passage and is controlled to open and close depending on the operating state of the internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275486U JPS62126555U (en) | 1986-01-31 | 1986-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275486U JPS62126555U (en) | 1986-01-31 | 1986-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62126555U true JPS62126555U (en) | 1987-08-11 |
Family
ID=30801176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1275486U Pending JPS62126555U (en) | 1986-01-31 | 1986-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62126555U (en) |
-
1986
- 1986-01-31 JP JP1275486U patent/JPS62126555U/ja active Pending
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