JPS58102761U - Negative pressure control device for exhaust gas recirculation amount - Google Patents
Negative pressure control device for exhaust gas recirculation amountInfo
- Publication number
- JPS58102761U JPS58102761U JP20982U JP20982U JPS58102761U JP S58102761 U JPS58102761 U JP S58102761U JP 20982 U JP20982 U JP 20982U JP 20982 U JP20982 U JP 20982U JP S58102761 U JPS58102761 U JP S58102761U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- valve
- passage
- exhaust gas
- gas 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
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
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図は本考案排気還流量の負圧制御装置の全体構成図
、第２図はＥＧＲ率を示す線図である。
１：気化器本体、２：吸気管、３：スロットルバルブ、
４：排気還流通路、５：ＥＧＲバルブ、６．１７・・・
ダイアフラム、７：負圧室、８：バルブ本体、ｉ：コン
トロールバルブ、１０：遅延弁、１１．１２：ポート、
１３：負圧通路、１４：分岐路、１５゜１６：絞り、１
Ｂ＝上室、１９：下室、２０：バルブ本体、２１：信号
通路。FIG. 1 is an overall configuration diagram of the exhaust gas recirculation amount negative pressure control device of the present invention, and FIG. 2 is a diagram showing the EGR rate. 1: Carburetor body, 2: Intake pipe, 3: Throttle valve,
4: Exhaust recirculation passage, 5: EGR valve, 6.17...
Diaphragm, 7: Negative pressure chamber, 8: Valve body, i: Control valve, 10: Delay valve, 11.12: Port,
13: Negative pressure passage, 14: Branch passage, 15° 16: Throttle, 1
B=upper chamber, 19: lower chamber, 20: valve body, 21: signal passage.
Claims (2)
還流通路に介装されたＥＧＲバルブと、スロットルバル
ブ近傍の吸気管にあけた排気還流制御用の第１のポート
からＥＧＲバルブの負圧室を連絡し、吸気管負圧に応じ
てＥＧＲ負圧信号を伝達する負圧通路と、績１のポート
より上流にあけた排気還流制御用の第２のポートと負圧
通路の途中とを結ぶ分岐路中に介装された負圧作動式の
コントロールバルブと、コントロールバルブρ負圧室と
前記負圧通路とを結ぶ信号通路に介装された遅延弁とか
らなる排気還流量の負圧制御装置。(1) The EGR valve is installed in the exhaust gas recirculation passage that connects the intake system and exhaust system of the internal combustion engine, and the EGR valve's negative A negative pressure passage that connects the pressure chambers and transmits an EGR negative pressure signal in accordance with the intake pipe negative pressure, and a second port for exhaust gas recirculation control opened upstream of port 1 and a part of the negative pressure passage. A negative pressure operated control valve is installed in a branch path that connects the control valve ρ, and a delay valve is installed in a signal path that connects the negative pressure chamber and the negative pressure passage. Pressure control device.
フラムを設けて信号通路に通じる上室と、分岐路開閉用
バルブを有する下室とに分け、第１、第２のポートの負
圧のバラ・ンスと遅延弁の作用によりバルブを開閉して
ＥＧＲ負圧信号の一部を第２のポートよりリークさせる
ように構成している実用新案登録請求の範囲第１項記載
の排気還流量の負圧制御装置。(2) The control valve is divided into an upper chamber with a diaphragm inside the housing and communicating with the signal passage, and a lower chamber with a valve for opening and closing the branch passage, and the control valve is divided into an upper chamber that has a diaphragm inside the housing and a lower chamber that has a valve for opening and closing the branch path, and balances the negative pressure of the first and second ports. Negative pressure control of the amount of exhaust gas recirculation according to claim 1, which is configured to open and close a valve by the action of a delay valve and cause a part of the EGR negative pressure signal to leak from the second port. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20982U JPS58102761U (en) | 1982-01-06 | 1982-01-06 | Negative pressure control device for exhaust gas recirculation amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20982U JPS58102761U (en) | 1982-01-06 | 1982-01-06 | Negative pressure control device for exhaust gas recirculation amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58102761U true JPS58102761U (en) | 1983-07-13 |
Family
ID=30013291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20982U Pending JPS58102761U (en) | 1982-01-06 | 1982-01-06 | Negative pressure control device for exhaust gas recirculation amount |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58102761U (en) |
-
1982
- 1982-01-06 JP JP20982U patent/JPS58102761U/en active Pending
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