JPS56115834A - Controlling device for carburetter - Google Patents
Controlling device for carburetterInfo
- Publication number
- JPS56115834A JPS56115834A JP1916080A JP1916080A JPS56115834A JP S56115834 A JPS56115834 A JP S56115834A JP 1916080 A JP1916080 A JP 1916080A JP 1916080 A JP1916080 A JP 1916080A JP S56115834 A JPS56115834 A JP S56115834A
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- opening
- fuel ratio
- air
- controlled
- 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
- Means For Warming Up And Starting Carburetors (AREA)
Abstract
PURPOSE: To ensure the control of an air to fuel ratio upon starting and warm-up by a method wherein a nozzle is equipped at a venturi section while a solenoid valve is equipped at the intermediate of a communicating path between the nozzle and an auxiliary fuel metering solenoid valve and the air to fuel ratio is controlled by the opening rate of the solenoid valve.
CONSTITUTION: The solenoid valve 48, opening or closing the nozzle 50 opening at the venturi section 14, and the solenoid valve 40, communicating with a pipeline 34 in a float chamber 32, are provided while the solenoid valves 40, 48 are constituted so as to be controlled by a control unit 54. The air to fuel ratio is controlled upon starting and cranking in accordance with the condition of the engine by opening or closing the solenoid valve 40 by the control unit 54 while the supply of mixture to the carburetter is regulated by opening or closing the solenoid valve 48. During warm-up, the opening rate of the solenoid valves 40, 48 and the opening degree of a throttle valve 16 are controlled properly in accordance with the condition of the engine to obtain a proper air to fuel ratio. According to this method, the control and the compensation of the air to fuel ratio may be effected surely upon starting and warm-up while controlability for multiple purposes such as speed reduction, run-on, compensation for altitude and the like may be improved.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1916080A JPS56115834A (en) | 1980-02-20 | 1980-02-20 | Controlling device for carburetter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1916080A JPS56115834A (en) | 1980-02-20 | 1980-02-20 | Controlling device for carburetter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56115834A true JPS56115834A (en) | 1981-09-11 |
Family
ID=11991640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1916080A Pending JPS56115834A (en) | 1980-02-20 | 1980-02-20 | Controlling device for carburetter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56115834A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494498A (en) * | 1982-01-06 | 1985-01-22 | Hitachi, Ltd. | Air-fuel ratio control system for engine starting |
-
1980
- 1980-02-20 JP JP1916080A patent/JPS56115834A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494498A (en) * | 1982-01-06 | 1985-01-22 | Hitachi, Ltd. | Air-fuel ratio control system for engine starting |
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