JPS551462A - Secondary air supplying device to exhaust system in internal combustion engine - Google Patents
Secondary air supplying device to exhaust system in internal combustion engineInfo
- Publication number
- JPS551462A JPS551462A JP14680278A JP14680278A JPS551462A JP S551462 A JPS551462 A JP S551462A JP 14680278 A JP14680278 A JP 14680278A JP 14680278 A JP14680278 A JP 14680278A JP S551462 A JPS551462 A JP S551462A
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- air supplying
- negative pressure
- valve
- exhaust
- 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
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
PURPOSE: To prevent a check valve from being exposed under high temperature gas in such a way that with remark to the fact of engendering exhaust reversing area in the secondary air passage at the time of high load and high rotation, then secondary air supplying passage circulation should be interrupted.
CONSTITUTION: Opening and closing operations of a control valve 2 are done under the negative pressure of a controlling negative source 13. Secondary valve controlling negative pressure is used as negative source in the double-barreled carburetor. Here, if the second valve operating negative pressure is made for closing the control valve 2 at -30mm Hg, the secondary air supplying passage is entirely closed in the exhaust reversing area, to prevent the exhaust from reversed flow.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14680278A JPS551462A (en) | 1978-11-28 | 1978-11-28 | Secondary air supplying device to exhaust system in internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14680278A JPS551462A (en) | 1978-11-28 | 1978-11-28 | Secondary air supplying device to exhaust system in internal combustion engine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP266679A Division JPS551473A (en) | 1979-01-13 | 1979-01-13 | Secondary air supplying device in internal combusion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS551462A true JPS551462A (en) | 1980-01-08 |
| JPS5740325B2 JPS5740325B2 (en) | 1982-08-26 |
Family
ID=15415854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14680278A Granted JPS551462A (en) | 1978-11-28 | 1978-11-28 | Secondary air supplying device to exhaust system in internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS551462A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59118190A (en) * | 1982-12-27 | 1984-07-07 | 蛇の目ミシン工業株式会社 | Apparatus for adjusting under yarn sag amount in sewing machine |
| JPS59125593A (en) * | 1983-01-07 | 1984-07-19 | 蛇の目ミシン工業株式会社 | Appaatus for controlling sag amount of lower yarn in zigzag sewing machine |
-
1978
- 1978-11-28 JP JP14680278A patent/JPS551462A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59118190A (en) * | 1982-12-27 | 1984-07-07 | 蛇の目ミシン工業株式会社 | Apparatus for adjusting under yarn sag amount in sewing machine |
| JPH0318916B2 (en) * | 1982-12-27 | 1991-03-13 | Janome Sewing Machine Co Ltd | |
| JPS59125593A (en) * | 1983-01-07 | 1984-07-19 | 蛇の目ミシン工業株式会社 | Appaatus for controlling sag amount of lower yarn in zigzag sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5740325B2 (en) | 1982-08-26 |
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