JPS61144214U - - Google Patents
Info
- Publication number
- JPS61144214U JPS61144214U JP2736385U JP2736385U JPS61144214U JP S61144214 U JPS61144214 U JP S61144214U JP 2736385 U JP2736385 U JP 2736385U JP 2736385 U JP2736385 U JP 2736385U JP S61144214 U JPS61144214 U JP S61144214U
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- passage
- end side
- egr
- communicated
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 241000234435 Lilium Species 0.000 claims 1
- 230000010349 pulsation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Exhaust Gas After Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１〜３図はこの考案の実施例を示すもので、
第１図は二次空気制御装置の概略構成図、第２，
３図は制御弁機構の作用説明図である。第４図は
従来の二次空気制御装置の概略構成図である。
図において、２は内燃機関、４はエアクリーナ
、６は気化器、１２は吸気マニホルド、１４は排
気マニホルド、１６は二次空気通路、１８はリー
ドバルブ、２０は制御弁機構、２２は開閉弁、２
４はアクチユエータ、２６はＥＧＲ装置、３２は
ＥＧＲ弁、３６は圧力室、そして４６は分岐通路
である。
Figures 1 to 3 show examples of this invention.
Figure 1 is a schematic diagram of the secondary air control device;
FIG. 3 is an explanatory diagram of the operation of the control valve mechanism. FIG. 4 is a schematic diagram of a conventional secondary air control device. In the figure, 2 is an internal combustion engine, 4 is an air cleaner, 6 is a carburetor, 12 is an intake manifold, 14 is an exhaust manifold, 16 is a secondary air passage, 18 is a reed valve, 20 is a control valve mechanism, 22 is an on-off valve, 2
4 is an actuator, 26 is an EGR device, 32 is an EGR valve, 36 is a pressure chamber, and 46 is a branch passage.
Claims (1)
次空気を供給する二次空気通路を設け、この二次
空気通路途中には排気脈動により作動し前記排気
系へ二次空気を供給するリードバルブと前記二次
空気通路を開閉制御する制御弁機構とを設け、前
記排気再循環装置のＥＧＲ弁にＥＧＲ負圧通路の
一端側を連通するとともにこのＥＧＲ負圧通路の
他端側を前記内燃機関の気化器ベンチユリに連通
して設け、前記ＥＧＲ負圧通路途中に分岐通路の
一端側を連通するとともにこの分岐通路の他端側
を前記制御弁機構のアクチユエータに設けた圧力
室に連通して設けたことを特徴とする二次空気制
御装置。 A secondary air passage that supplies secondary air to the exhaust system of an internal combustion engine equipped with an exhaust gas recirculation device is provided, and a lead that is activated by exhaust pulsation and supplies secondary air to the exhaust system is provided in the middle of this secondary air passage. A valve and a control valve mechanism for controlling opening and closing of the secondary air passage are provided, and one end side of the EGR negative pressure passage is communicated with the EGR valve of the exhaust gas recirculation device, and the other end side of the EGR negative pressure passage is connected to the internal combustion air passage. It is provided in communication with the carburetor bench lily of the engine, and one end side of the branch passage is communicated in the middle of the EGR negative pressure passage, and the other end side of the branch passage is communicated with a pressure chamber provided in the actuator of the control valve mechanism. A secondary air control device characterized by being provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2736385U JPS61144214U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2736385U JPS61144214U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61144214U true JPS61144214U (en) | 1986-09-05 |
Family
ID=30524248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2736385U Pending JPS61144214U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61144214U (en) |
-
1985
- 1985-02-28 JP JP2736385U patent/JPS61144214U/ja active Pending