JPS59115847U - Diesel engine exhaust recirculation control device - Google Patents
Diesel engine exhaust recirculation control deviceInfo
- Publication number
- JPS59115847U JPS59115847U JP837283U JP837283U JPS59115847U JP S59115847 U JPS59115847 U JP S59115847U JP 837283 U JP837283 U JP 837283U JP 837283 U JP837283 U JP 837283U JP S59115847 U JPS59115847 U JP S59115847U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- recirculation control
- control device
- diesel engine
- exhaust 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例であるところの排気還流制御
装置の断面図、第２図は同上装置の制御領域を示す線図
である。
１０・・・・・・排気還流制御弁、１１・・・・・・第
１の室、１２・・・・・・第２の室、１３・・・・・・
ダイアフラム、１５・・・・・・弁体、１６．１７・・
・・・・スプリング、１８・・・・・・排気還流通路、
２０・・・・・・バキュームポンプ、２１・・・・・・
第１の負圧通路、２２・・・・・・第２の負圧通路、２
４．２８・・・・・・三方電磁弁、２７．３１・・・・
・・大気開放口。FIG. 1 is a sectional view of an exhaust gas recirculation control device which is an embodiment of the present invention, and FIG. 2 is a diagram showing the control area of the same device. 10...Exhaust recirculation control valve, 11...First chamber, 12...Second chamber, 13...
Diaphragm, 15... Valve body, 16.17...
... Spring, 18 ... Exhaust recirculation passage,
20... Vacuum pump, 21...
First negative pressure passage, 22...Second negative pressure passage, 2
4.28... Three-way solenoid valve, 27.31...
・Atmospheric release port.
Claims (1)
てスプリングにより付勢されるダイアフラムの両側に、
バキュームポンプの負圧が第１の負圧通路により導かれ
る第１の室と、バキュームポンプの負圧が第２の負圧通
路により導かれる第２の室とを形成すると共に、第１、
第２の負圧通路を各々連通又は遮断する三方弁を介装し
たことを特徴とするディーゼルエンジンの排気還流制御
装置。On both sides of the diaphragm, which is connected to the valve body of the exhaust recirculation control valve that normally takes an intermediate opening position, is biased by a spring.
A first chamber to which the negative pressure of the vacuum pump is guided by the first negative pressure passage, and a second chamber to which the negative pressure of the vacuum pump is guided by the second negative pressure passage;
1. An exhaust gas recirculation control device for a diesel engine, characterized in that a three-way valve is interposed to communicate or block the second negative pressure passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP837283U JPS59115847U (en) | 1983-01-26 | 1983-01-26 | Diesel engine exhaust recirculation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP837283U JPS59115847U (en) | 1983-01-26 | 1983-01-26 | Diesel engine exhaust recirculation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59115847U true JPS59115847U (en) | 1984-08-04 |
Family
ID=30139861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP837283U Pending JPS59115847U (en) | 1983-01-26 | 1983-01-26 | Diesel engine exhaust recirculation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59115847U (en) |
-
1983
- 1983-01-26 JP JP837283U patent/JPS59115847U/en active Pending
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