JPS5447036A - Internal-combustion-engine cold operation system - Google Patents
Internal-combustion-engine cold operation systemInfo
- Publication number
- JPS5447036A JPS5447036A JP12592377A JP12592377A JPS5447036A JP S5447036 A JPS5447036 A JP S5447036A JP 12592377 A JP12592377 A JP 12592377A JP 12592377 A JP12592377 A JP 12592377A JP S5447036 A JPS5447036 A JP S5447036A
- Authority
- JP
- Japan
- Prior art keywords
- passage
- negative pressure
- engine
- atmosphere
- pressure 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
Landscapes
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Abstract
PURPOSE: To change air-fuel-ratio into output mixture ratio to elevate power for smooth operation of an engine by supplying additional fuel by use of a power valve of a carbureter in cold operation of an internal combustion engine.
CONSTITUTION: A sensing switch valve 14 is provided at a suitable position in a water passage 2 under a suction manifold 1, which detects temperature of an engine. The switch valve 14 is connected to an operation negative pressure passage 15 affecting a power piston chamber 10, a negative pressure passage 18 running out from an operation negative pressure outlet port 17, supplied in a suction passage in the down stream of a throttle valve 16 of the carbureter 4, and an atmosphere passage 20 from an atmosphere connecting part 19. When the engine does not reach at a specified temperature, the negative pressure passage 18 is cut off to communicae the atmosphere passage 20 with the operation negative pressure passage 15. On the other hand, when the engine rises over a pecified temperature, the atmosphere passage 20 is cut ff to communicae the operation negative passage 15 with the ne gative pressure passage 18
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12592377A JPS5447036A (en) | 1977-09-21 | 1977-09-21 | Internal-combustion-engine cold operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12592377A JPS5447036A (en) | 1977-09-21 | 1977-09-21 | Internal-combustion-engine cold operation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5447036A true JPS5447036A (en) | 1979-04-13 |
Family
ID=14922283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12592377A Pending JPS5447036A (en) | 1977-09-21 | 1977-09-21 | Internal-combustion-engine cold operation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5447036A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59196559U (en) * | 1983-06-14 | 1984-12-27 | 愛知機械工業株式会社 | Power fuel system in carburetor |
-
1977
- 1977-09-21 JP JP12592377A patent/JPS5447036A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59196559U (en) * | 1983-06-14 | 1984-12-27 | 愛知機械工業株式会社 | Power fuel system in carburetor |
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