JPS5566649A - Exhaust gas recycle control valve - Google Patents
Exhaust gas recycle control valveInfo
- Publication number
- JPS5566649A JPS5566649A JP10582978A JP10582978A JPS5566649A JP S5566649 A JPS5566649 A JP S5566649A JP 10582978 A JP10582978 A JP 10582978A JP 10582978 A JP10582978 A JP 10582978A JP S5566649 A JPS5566649 A JP S5566649A
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- negative pressure
- valve
- control valve
- exhaust gas
- 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
Abstract
PURPOSE: To stop return flow by speedily closing a control valve at the time of deceleration, by opening or closing a control valve which recirculates a part of exhaust gas to a suction system by means of a different negative pressure at the suction pipe.
CONSTITUTION: Exhaust gas recycle path 7, which connects suction and discharge pipes 4 and 6 of engine 1, is provided with control valve 12. This valve 12 has No.1 diaphragm 12 and No.2 diaphragm 16, which is placed in inner case 15 fixed in the center of No.1 diaphragm 12. The intake negative pressure of the upper stream immediate above stop valve 3 is drawn into No.1 chamber 14, which is partitioned by both diaphragms 12 and 16. The intake negative pressure of the lower stream immediately below stop valve 3 is drawn into No.2 chamber 17, and air is drawn into No.3 chamber 18. No.1 chamber 14 is provided with negative pressure adjusting valve 28, which is opened or closed by exhaust pressure. As a result, at the time of high load, high negative pressure is introduced into No.2 chamber 17, and valve element 10 is speedily closed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10582978A JPS5566649A (en) | 1978-08-30 | 1978-08-30 | Exhaust gas recycle control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10582978A JPS5566649A (en) | 1978-08-30 | 1978-08-30 | Exhaust gas recycle control valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5566649A true JPS5566649A (en) | 1980-05-20 |
JPS6130146B2 JPS6130146B2 (en) | 1986-07-11 |
Family
ID=14417933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10582978A Granted JPS5566649A (en) | 1978-08-30 | 1978-08-30 | Exhaust gas recycle control valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5566649A (en) |
-
1978
- 1978-08-30 JP JP10582978A patent/JPS5566649A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6130146B2 (en) | 1986-07-11 |
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