JPS637267U - - Google Patents
Info
- Publication number
- JPS637267U JPS637267U JP10000586U JP10000586U JPS637267U JP S637267 U JPS637267 U JP S637267U JP 10000586 U JP10000586 U JP 10000586U JP 10000586 U JP10000586 U JP 10000586U JP S637267 U JPS637267 U JP S637267U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- exhaust gas
- gas recirculation
- recirculation valve
- passage
- 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
- 238000010992 reflux Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図はダイヤフラムバルブの詳細図である。
１……エンジン本体、２……気化器、３……吸
入管、４……排気管、５……ＥＧＲバルブ、６…
…負圧通路、７……リーク通路、８……ダイヤフ
ラムバルブ、８ａ……弁体、８ｂ……弁口、８ｃ
……ダイヤフラム、８ｄ……負圧室、８ｅ……大
気室、８ｆ……負圧室、９……エアクリーナ、１
０……リーク通路、１１……隔壁、１２……スプ
リング、１３……負圧通路。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a detailed view of the diaphragm valve. 1...engine body, 2...carburizer, 3...intake pipe, 4...exhaust pipe, 5...EGR valve, 6...
...Negative pressure passage, 7...Leak passage, 8...Diaphragm valve, 8a...Valve body, 8b...Valve port, 8c
...Diaphragm, 8d...Negative pressure chamber, 8e...Atmospheric chamber, 8f...Negative pressure chamber, 9...Air cleaner, 1
0... Leak passage, 11... Partition wall, 12... Spring, 13... Negative pressure passage.
Claims (1)
る負圧通路からの排気ガス還流バルブ制御負圧に
より開閉する排気ガス還流バルブを介して排気管
から吸入管に排気ガスを還流するものにおいて、 上記負圧通路の途中から分岐してエアクリーナ
に排気ガス還流バルブ制御負圧をリークさせるリ
ーク通路を設け、 上記リーク通路に吸入管の負圧が所定値を越え
る時、排気ガス還流バルブ制御負圧をリークさせ
るダイヤフラムバルブを設け、 上記排気ガス還流バルブの制御負圧を、上記ダ
イヤフラムバルブの作動に応じて制御するように
したことを特徴とする自動車用エンジンの排気ガ
ス還流装置。[Scope of claim for utility model registration] Exhaust gas recirculation valve control from the negative pressure passage that opens immediately upstream of the fully closed throttle valve of the carburetor Exhaust from the exhaust pipe to the intake pipe via the exhaust gas recirculation valve that opens and closes with negative pressure. In a device that recirculates gas, a leak passage is provided that branches off from the middle of the negative pressure passage and leaks the exhaust gas recirculation valve control negative pressure to the air cleaner, and when the negative pressure of the suction pipe exceeds a predetermined value in the leak passage, Exhaust gas recirculation valve control A diaphragm valve for leaking negative pressure is provided, and the control negative pressure of the exhaust gas recirculation valve is controlled in accordance with the operation of the diaphragm valve. Reflux device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10000586U JPS637267U (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10000586U JPS637267U (en) | 1986-06-30 | 1986-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS637267U true JPS637267U (en) | 1988-01-18 |
Family
ID=30969410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10000586U Pending JPS637267U (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637267U (en) |
-
1986
- 1986-06-30 JP JP10000586U patent/JPS637267U/ja active Pending
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