JPS6322357U - - Google Patents
Info
- Publication number
- JPS6322357U JPS6322357U JP11687486U JP11687486U JPS6322357U JP S6322357 U JPS6322357 U JP S6322357U JP 11687486 U JP11687486 U JP 11687486U JP 11687486 U JP11687486 U JP 11687486U JP S6322357 U JPS6322357 U JP S6322357U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- valve
- exhaust gas
- bypass relief
- negative pressure
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Supercharger (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
図は本考案の機械式過給機付きエンジンの制御
装置の一実施例を示す概略構成図である。
1…エンジン、2…給気通路、3…排気通路、
4…機械式過給機、5…上流側の給気通路、6…
スロツトルバルブ、7…下流側の給気通路、8…
排気ガス再循環通路、9…排気ガス再循環バルブ
、9a…制御部、10…排気ガス再循環バルブ駆
動負圧通路、14…バイパスリリーフ通路、15
…バイパスリリーフバルブ、15a…制御部、1
6…バイパスリリーフバルブ駆動負圧通路、20
…スイツチングバルブ駆動負圧通路、21a…第
1作動室、21b…第2作動室。
The figure is a schematic configuration diagram showing one embodiment of a control device for a mechanical supercharged engine according to the present invention. 1...Engine, 2...Air supply passage, 3...Exhaust passage,
4... Mechanical supercharger, 5... Upstream air supply passage, 6...
Throttle valve, 7...Downstream air supply passage, 8...
Exhaust gas recirculation passage, 9... Exhaust gas recirculation valve, 9a... Control unit, 10... Exhaust gas recirculation valve drive negative pressure passage, 14... Bypass relief passage, 15
...Bypass relief valve, 15a...Control unit, 1
6...Bypass relief valve drive negative pressure passage, 20
...Switching valve driving negative pressure passage, 21a...First working chamber, 21b...Second working chamber.
Claims (1)
よりも下流側の給気通路と排気通路とを連通する
排気ガス再循環通路と、この排気ガス再循環通路
に設けられていて、上記下流側の給気通路への排
気ガスの再循環を制御する排気ガス再循環バルブ
と、この排気ガス再循環バルブの制御部に接続さ
れた排気ガス再循環バルブ駆動負圧通路と、上記
機械式過給機より上流側の給気通路と下流側の給
気通路とを連通するバイパスリリーフ通路と、こ
のバイパスリリーフ通路に設けられていて、該バ
イパスリリーフ通路を選択的に開閉するバイパス
リリーフバルブと、このバイパスリリーフバルブ
の制御部と上記上流側の給気通路とを連通したバ
イパスリリーフバルブ駆動負圧通路とを具備して
いる機械式過給機付きエンジンにおいて、 その第1作動室を上記バイパスリリーフバルブ
駆動負圧通路に連通され、その第2作動室を上記
排気ガス再循環バルブ駆動負圧通路に連通されて
いて、上記バイパスリリーフバルブが開かれると
き、これに先立つて上記排気ガス再循環バルブ駆
動負圧通路を大気解放して、上記排気ガス再循環
バルブを閉じるためのスイツチングバルブと、こ
のスイツチングバルブの第1作動室と上記バイパ
スリリーフバルブ駆動負圧通路とを連通するスイ
ツチングバルブ駆動負圧通路とを備えたことを特
徴とする機械式過給機付きエンジンの制御装置。[Scope of claim for utility model registration] A mechanical supercharger installed in an air supply passage, an exhaust gas recirculation passage that communicates the air supply passage and exhaust passage downstream of the supercharger, and this exhaust gas. an exhaust gas recirculation valve provided in the recirculation passage for controlling recirculation of exhaust gas to the downstream air supply passage; and an exhaust gas recirculation valve connected to a control section of the exhaust gas recirculation valve. a valve drive negative pressure passage; a bypass relief passage that communicates with an air supply passage upstream and downstream of the mechanical supercharger; and a bypass relief passage provided in the bypass relief passage; an engine with a mechanical supercharger, comprising: a bypass relief valve that selectively opens and closes the bypass relief valve; and a bypass relief valve drive negative pressure passage that communicates the control section of the bypass relief valve with the upstream air supply passage. , the first working chamber is in communication with the negative pressure passage for driving the bypass relief valve, and the second working chamber is in communication with the negative pressure passage for driving the exhaust gas recirculation valve, when the bypass relief valve is opened. , prior to this, a switching valve for opening the exhaust gas recirculation valve drive negative pressure passage to the atmosphere and closing the exhaust gas recirculation valve; a first working chamber of the switching valve; and a bypass relief valve. 1. A control device for an engine equipped with a mechanical supercharger, comprising a switching valve drive negative pressure passage communicating with a drive negative pressure passage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11687486U JPH07690Y2 (en) | 1986-07-30 | 1986-07-30 | Controller for engine with mechanical supercharger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11687486U JPH07690Y2 (en) | 1986-07-30 | 1986-07-30 | Controller for engine with mechanical supercharger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6322357U true JPS6322357U (en) | 1988-02-15 |
JPH07690Y2 JPH07690Y2 (en) | 1995-01-11 |
Family
ID=31001871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11687486U Expired - Lifetime JPH07690Y2 (en) | 1986-07-30 | 1986-07-30 | Controller for engine with mechanical supercharger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07690Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013189887A (en) * | 2012-03-13 | 2013-09-26 | Daihatsu Motor Co Ltd | Control device |
-
1986
- 1986-07-30 JP JP11687486U patent/JPH07690Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013189887A (en) * | 2012-03-13 | 2013-09-26 | Daihatsu Motor Co Ltd | Control device |
Also Published As
Publication number | Publication date |
---|---|
JPH07690Y2 (en) | 1995-01-11 |