JPS62105351U - - Google Patents
Info
- Publication number
- JPS62105351U JPS62105351U JP19746785U JP19746785U JPS62105351U JP S62105351 U JPS62105351 U JP S62105351U JP 19746785 U JP19746785 U JP 19746785U JP 19746785 U JP19746785 U JP 19746785U JP S62105351 U JPS62105351 U JP S62105351U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- exhaust gas
- gas recirculation
- valve
- control device
- 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 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は、本考案による過給式エンジンにおけ
る排気還流制御装置の一実施例を示すシステム図
、第２図は、その制御装置に用いられる切換弁の
縦断面図である。
１…エンジン本体、２…燃焼室、４…過給機、
６…気化器、７…吸気マニホルド、１１…絞り弁
、１２…排気ポート、１４…排気還流通路、１５
…排気還流弁、１７…第１圧力室、１８…第２圧
力室、２０…高圧通路、２１…制御圧力導入通路
、２２…切換弁、３７…制御圧力導入通路、３８
…感温弁、４１…圧力検出ポート、Ｐ２…過給圧
、ＰＣ…絞り弁近傍の圧力。
FIG. 1 is a system diagram showing an embodiment of an exhaust gas recirculation control device for a supercharged engine according to the present invention, and FIG. 2 is a longitudinal sectional view of a switching valve used in the control device. 1...Engine body, 2...Combustion chamber, 4...Supercharger,
6... Carburetor, 7... Intake manifold, 11... Throttle valve, 12... Exhaust port, 14... Exhaust recirculation passage, 15
...Exhaust recirculation valve, 17...First pressure chamber, 18...Second pressure chamber, 20...High pressure passage, 21...Control pressure introduction passage, 22...Switching valve, 37...Control pressure introduction passage, 38
...Temperature-sensitive valve, 41...Pressure detection port, P2 ...Supercharging pressure, PC...Pressure near the throttle valve.
Claims (1)
導かれる第１圧力室１７と、気化器６の絞り弁１
１近傍の圧力ＰＣが導かれる第２圧力室１８とを
有し、これら第１及び第２圧力室１７，１８に導
入される圧力の差圧によつて排気還流量を制御す
るようにされている排気還流弁１５を備えた過給
式エンジンの排気還流制御装置において； 前記排気還流弁１５の第２圧力室１８に前記絞
り弁１１近傍の圧力ＰＣを導く制御圧力導入通路
２１に、 前記過給圧Ｐ２が所定圧より高いとき、その第
２圧力室１８に、前記絞り弁１１近傍の圧力ＰＣ
に代えて前記過給圧Ｐ２を導入するように切り換
えられる切換弁２２を設けてなる、 過給式エンジンにおける排気還流制御装置。[Claims for Utility Model Registration] The first pressure chamber 17 to which the supercharging pressure P2 of the air pressurized by the supercharger 4 is introduced, and the throttle valve 1 of the carburetor 6
The exhaust gas recirculation amount is controlled by the differential pressure between the pressures introduced into the first and second pressure chambers 17 and 18. In the exhaust gas recirculation control device for a supercharged engine equipped with an exhaust gas recirculation valve 15; When the supply pressure P2 is higher than the predetermined pressure, the pressure PC near the throttle valve 11 is stored in the second pressure chamber 18.
An exhaust gas recirculation control device for a supercharged engine, comprising a switching valve 22 that can be switched to introduce the supercharging pressure P2 instead of the supercharging pressure P2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985197467U JPH0329570Y2 (en) | 1985-12-24 | 1985-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985197467U JPH0329570Y2 (en) | 1985-12-24 | 1985-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105351U true JPS62105351U (en) | 1987-07-04 |
| JPH0329570Y2 JPH0329570Y2 (en) | 1991-06-24 |
Family
ID=31157232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985197467U Expired JPH0329570Y2 (en) | 1985-12-24 | 1985-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329570Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008075632A (en) * | 2006-09-25 | 2008-04-03 | Kubota Corp | Multi-cylinder engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6249654U (en) * | 1985-09-13 | 1987-03-27 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6063707A (en) * | 1984-07-31 | 1985-04-12 | Matsushita Electric Ind Co Ltd | Cleaning device of magnetic substance substrate for thin film magnetic head |
-
1985
- 1985-12-24 JP JP1985197467U patent/JPH0329570Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6249654U (en) * | 1985-09-13 | 1987-03-27 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008075632A (en) * | 2006-09-25 | 2008-04-03 | Kubota Corp | Multi-cylinder engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0329570Y2 (en) | 1991-06-24 |
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