JPS6373560U - - Google Patents
Info
- Publication number
- JPS6373560U JPS6373560U JP16816286U JP16816286U JPS6373560U JP S6373560 U JPS6373560 U JP S6373560U JP 16816286 U JP16816286 U JP 16816286U JP 16816286 U JP16816286 U JP 16816286U JP S6373560 U JPS6373560 U JP S6373560U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- chamber
- valve
- diaphragm
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は内燃機関の全体図、第２図はソレノイ
ドを付勢しない場合の吸気管負圧と制御負圧との
関係を示す線図、第３図はＥＧＲ制御を実行する
ためのフローチヤートである。
６……吸気通気路、９……排気通路、１１……
ＥＧＲ制御弁、１３……負圧室、２０……負圧制
御弁、２２……第１ダイアフラム、２３……負圧
導入室、２５……第２ダイアフラム、２６……負
圧制御室、２８……絞り、３６……開閉弁、３７
……ソレノイド。
Figure 1 is an overall diagram of the internal combustion engine, Figure 2 is a diagram showing the relationship between intake pipe negative pressure and control negative pressure when the solenoid is not energized, and Figure 3 is a flowchart for executing EGR control. It is. 6...Intake air passage, 9...Exhaust passage, 11...
EGR control valve, 13... Negative pressure chamber, 20... Negative pressure control valve, 22... First diaphragm, 23... Negative pressure introduction chamber, 25... Second diaphragm, 26... Negative pressure control chamber, 28 ... Throttle, 36 ... Opening/closing valve, 37
……solenoid.
Claims (1)
きくなるにつれて開弁量が断大する再循環排気ガ
ス制御弁を機関排気通路と吸気通路間に設け、更
に吸気通路内の負圧に応動して該負圧室内の負圧
を制御する負圧制御弁を具備した内燃機関におい
て、上記負圧制御弁が第１のダイアフラムによつ
て大気から隔離されかつ吸気通路内に連結された
負圧導入室と、第２のダイアフラムによつて大気
から隔離されかつ一方では絞りを介して吸気通路
内に連結され他方では弁ポートを介して大気に連
通する負圧制御室と、上記第１ダイアフラムおよ
び第２ダイアフラムに連結されかつ上記負圧導入
室内又は負圧制御室内の負圧が大きくなるにつれ
て該弁ポートに対する開弁力が増大せしめられる
開閉弁と、該開閉弁を閉弁方向に付勢するばねと
、負圧制御室内の負圧を制御するために該開閉弁
を開弁方向或いは閉弁方向に付勢するソレノイド
とを具備し、負圧制御室を再循環排気ガス制御弁
の負圧室に連通せしめた内燃機関の再循環排気ガ
ス制御装置。 A recirculation exhaust gas control valve is provided between the engine exhaust passage and the intake passage, and is provided with a negative pressure chamber and whose opening amount increases as the negative pressure in the negative pressure chamber increases. In an internal combustion engine equipped with a negative pressure control valve that responds to control the negative pressure in the negative pressure chamber, the negative pressure control valve is isolated from the atmosphere by a first diaphragm and connected to an intake passage. a pressure introduction chamber; a negative pressure control chamber isolated from the atmosphere by a second diaphragm and connected to the intake passage via a throttle on the one hand and communicating with the atmosphere via a valve port on the other; and the first diaphragm; and an on-off valve that is connected to the second diaphragm and whose opening force to the valve port increases as the negative pressure in the negative pressure introduction chamber or the negative pressure control chamber increases, and the on-off valve is biased in the closing direction. and a solenoid that biases the opening/closing valve in the opening or closing direction to control the negative pressure in the negative pressure control chamber. A recirculating exhaust gas control device for an internal combustion engine that communicates with a pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986168162U JPH0513972Y2 (en) | 1986-11-04 | 1986-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986168162U JPH0513972Y2 (en) | 1986-11-04 | 1986-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6373560U true JPS6373560U (en) | 1988-05-17 |
| JPH0513972Y2 JPH0513972Y2 (en) | 1993-04-14 |
Family
ID=31100785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986168162U Expired - Lifetime JPH0513972Y2 (en) | 1986-11-04 | 1986-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0513972Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331027A (en) * | 1976-09-03 | 1978-03-23 | Nissan Motor Co Ltd | Controlling device for exhaust gas returning |
| JPS5580115A (en) * | 1978-12-13 | 1980-06-17 | Hitachi Ltd | Proportional pressure control valve |
-
1986
- 1986-11-04 JP JP1986168162U patent/JPH0513972Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331027A (en) * | 1976-09-03 | 1978-03-23 | Nissan Motor Co Ltd | Controlling device for exhaust gas returning |
| JPS5580115A (en) * | 1978-12-13 | 1980-06-17 | Hitachi Ltd | Proportional pressure control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513972Y2 (en) | 1993-04-14 |
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