JPS6018255U - Internal combustion engine intake-exhaust gas recirculation control device - Google Patents
Internal combustion engine intake-exhaust gas recirculation control deviceInfo
- Publication number
- JPS6018255U JPS6018255U JP10946883U JP10946883U JPS6018255U JP S6018255 U JPS6018255 U JP S6018255U JP 10946883 U JP10946883 U JP 10946883U JP 10946883 U JP10946883 U JP 10946883U JP S6018255 U JPS6018255 U JP S6018255U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- exhaust gas
- gas recirculation
- control valve
- diaphragm
- 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
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図は本考案に係る吸気−排気ガス再循環側 ・御
装置が組込まれた内燃機関の一実施例を示す概略構成図
、第２図は第１図の平面図、第３図は動作説明図、第４
図は第３図の平面図である。
１・・・・・・内燃機関、２・・・・・・燃焼室、３・
・・・・・吸気ポート、４・・・・・；排気ポート、６
・・・・・・吸気マニホールド、７・・・・・・気化器
、８・・・・・・排気マニホールド、１０・・・・・・
第１の吸気通路、１１・・・・・・第２の吸気通路、１
２・・・・・・吸気制御弁、１６・・・・・・ダイヤフ
ラム装置、１９・・・・・・ダイヤフラム室、２１．２
２・・・・・・導管、２３・・・・・・負圧制御弁、２
５・・・・・・排気ガス再循環装置、２６・・・・・・
排気ガス再循環制御弁、３５・・・・・・第１の排気ガ
ス再循環通路、３８・・・・・・第２の排気ガス再循環
通路、４８・・・・・・第２の逆止弁、４９．５０・・
・・・・導管。Figure 1 is a schematic configuration diagram showing one embodiment of an internal combustion engine incorporating the intake-exhaust gas recirculation side control device according to the present invention, Figure 2 is a plan view of Figure 1, and Figure 3 is the operation. Explanatory diagram, 4th
The figure is a plan view of FIG. 3. 1... Internal combustion engine, 2... Combustion chamber, 3.
...Intake port, 4...;Exhaust port, 6
...Intake manifold, 7...Carburizer, 8...Exhaust manifold, 10...
First intake passage, 11...Second intake passage, 1
2...Intake control valve, 16...Diaphragm device, 19...Diaphragm chamber, 21.2
2... Conduit, 23... Negative pressure control valve, 2
5... Exhaust gas recirculation device, 26...
Exhaust gas recirculation control valve, 35...first exhaust gas recirculation passage, 38...second exhaust gas recirculation passage, 48...second reverse Stop valve, 49.50...
····conduit.
Claims (1)
有し前記第２の吸気通路の途中に該第２の吸気通路を開
閉する吸気制御弁が設けられている吸気ポート構造を有
する内燃機関の吸気−排気ガス再循環制御装置において
、ダイヤフラム室に導入される流体圧に応じて前記吸気
制御弁を開閉させるダイヤフラム装置と、内燃機関の回
転数が所定値以上になったときに開弁して前記ダイヤフ
ラム装置の前記ダイヤフラム室へ大気圧を供給する負圧
制御弁と、排気ガス再循環通路の途中に設けられ、ダイ
ヤフラム室に大気圧が作用している時には閉弁しかつ前
記ダイヤフラム室に大気圧以外の流体圧が作用している
時には開弁するダイヤフラム式排気ガス再循環謂御弁と
、前記負圧制御弁と排気ガス再循環通路を結ぶ通路の途
中に配設され、かつ前記ダイヤフラム装置のダイヤフラ
ム室に大気圧が作用して吸気制御弁が開いたときにのみ
開き、前記排気ガス再循環通路に大気圧を導入する逆止
弁を備えたことを特徴とする内燃機関の吸気−排気ガス
再循環制御装置。An intake port structure having first and second intake passages communicating with an opening end to a combustion chamber, and an intake control valve for opening and closing the second intake passage provided in the middle of the second intake passage. An intake-exhaust gas recirculation control device for an internal combustion engine having a diaphragm device that opens and closes the intake control valve according to fluid pressure introduced into a diaphragm chamber, and a diaphragm device that opens and closes the intake control valve in accordance with fluid pressure introduced into the diaphragm chamber, and when the rotation speed of the internal combustion engine exceeds a predetermined value. a negative pressure control valve that opens to supply atmospheric pressure to the diaphragm chamber of the diaphragm device; and a negative pressure control valve that is provided in the middle of the exhaust gas recirculation passage and closes when atmospheric pressure is acting on the diaphragm chamber. A diaphragm type exhaust gas recirculation control valve that opens when fluid pressure other than atmospheric pressure is acting on the diaphragm chamber, and a passageway that connects the negative pressure control valve and the exhaust gas recirculation passageway. and a check valve that opens only when atmospheric pressure acts on the diaphragm chamber of the diaphragm device and opens the intake control valve, and introduces atmospheric pressure into the exhaust gas recirculation passage. Engine intake-exhaust gas recirculation control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10946883U JPS6018255U (en) | 1983-07-14 | 1983-07-14 | Internal combustion engine intake-exhaust gas recirculation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10946883U JPS6018255U (en) | 1983-07-14 | 1983-07-14 | Internal combustion engine intake-exhaust gas recirculation control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6018255U true JPS6018255U (en) | 1985-02-07 |
| JPH0141890Y2 JPH0141890Y2 (en) | 1989-12-08 |
Family
ID=30254988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10946883U Granted JPS6018255U (en) | 1983-07-14 | 1983-07-14 | Internal combustion engine intake-exhaust gas recirculation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6018255U (en) |
-
1983
- 1983-07-14 JP JP10946883U patent/JPS6018255U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0141890Y2 (en) | 1989-12-08 |
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