JPS57108422A - Controller for flow rate of fuel for engine - Google Patents
Controller for flow rate of fuel for engineInfo
- Publication number
- JPS57108422A JPS57108422A JP18205380A JP18205380A JPS57108422A JP S57108422 A JPS57108422 A JP S57108422A JP 18205380 A JP18205380 A JP 18205380A JP 18205380 A JP18205380 A JP 18205380A JP S57108422 A JPS57108422 A JP S57108422A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure sensor
- atmospheric pressure
- sensor
- air flow
- 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
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE: To heighten the accuracy of an air flow sensor and the charging efficiency, by controlling the flow rate of fuel with a pressure sensor which detects the negative or atmospheric pressure in an intake pipe downstream to throttle valves in intake passages.
CONSTITUTION: A pressure sensor 16 selectively detects the negative or atmospheric pressure in an intake pipe downstream to a primary and a secondary throttle valves in first and a second intake passages. In operation under low load, fuel is controlled through a first control circuit 18, a selector circuit 22 and a fuel injector 24 depending on the signal of an air flow sensor 10 while the pressure sensor 16 is caused to act as an atmospheric pressure sensor to perform atmospheric pressure compensation. In operation under high load, fuel is controlled through an engine rotational frequency detector 12, a second control circuit 20 and the selector circuit 22 while the pressure sensor 16 is caused to act as a negative pressure sensor. According to this constitution, the accuracy of the air flow sensor 10 is heightened to improve the charging efficiency.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18205380A JPS57108422A (en) | 1980-12-24 | 1980-12-24 | Controller for flow rate of fuel for engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18205380A JPS57108422A (en) | 1980-12-24 | 1980-12-24 | Controller for flow rate of fuel for engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57108422A true JPS57108422A (en) | 1982-07-06 |
JPS6335826B2 JPS6335826B2 (en) | 1988-07-18 |
Family
ID=16111509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18205380A Granted JPS57108422A (en) | 1980-12-24 | 1980-12-24 | Controller for flow rate of fuel for engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57108422A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0968088A (en) * | 1995-08-30 | 1997-03-11 | Mikuni Corp | Control device of internal combustion engine |
US7856967B2 (en) | 2008-07-17 | 2010-12-28 | Honda Motor Co., Ltd. | Method of determining ambient pressure for fuel injection |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53141831A (en) * | 1977-05-18 | 1978-12-11 | Toyota Motor Corp | Electronic control system fuel jet type internal combustion engine |
JPS55109756A (en) * | 1979-02-13 | 1980-08-23 | Nippon Denso Co Ltd | Atmospheric pressure detection for engine controller |
-
1980
- 1980-12-24 JP JP18205380A patent/JPS57108422A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53141831A (en) * | 1977-05-18 | 1978-12-11 | Toyota Motor Corp | Electronic control system fuel jet type internal combustion engine |
JPS55109756A (en) * | 1979-02-13 | 1980-08-23 | Nippon Denso Co Ltd | Atmospheric pressure detection for engine controller |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0968088A (en) * | 1995-08-30 | 1997-03-11 | Mikuni Corp | Control device of internal combustion engine |
US7856967B2 (en) | 2008-07-17 | 2010-12-28 | Honda Motor Co., Ltd. | Method of determining ambient pressure for fuel injection |
Also Published As
Publication number | Publication date |
---|---|
JPS6335826B2 (en) | 1988-07-18 |
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