JPS575525A - Fuel injection device for internal combustion engine - Google Patents
Fuel injection device for internal combustion engineInfo
- Publication number
- JPS575525A JPS575525A JP7824380A JP7824380A JPS575525A JP S575525 A JPS575525 A JP S575525A JP 7824380 A JP7824380 A JP 7824380A JP 7824380 A JP7824380 A JP 7824380A JP S575525 A JPS575525 A JP S575525A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- dead point
- upper dead
- range
- prior
- 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
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE: To enable fuel to be supplied stably to each cylinder by injecting fuel at every specific crank angle and setting injection start period within the range of a specific angle prior to the upper dead point of each cylinder.
CONSTITUTION: A control circuit sets injection start period in the range of 20W 120° prior to the upper dead point of each cylinder of an engine on the basis of reference position signal at every 180° from a crank angle sensor to permit 4 times of injection for 2 rotations of a crankshaft. Then, in injection timing represented by arrow an intake valve of cylinder #2 has been closed with reference to the upper dead point of cylinder #3, and it is found that cylinder #1 is in the middle of open valve period whereas the valve of cylinder #3 is not yet opened. Thus, almost all of injected fuel can be supplied to the cylinder #1 carrying out strong intake action by setting injection start period in the range of 20W120° prior to the upper dead point of the cylinder #3.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7824380A JPS575525A (en) | 1980-06-10 | 1980-06-10 | Fuel injection device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7824380A JPS575525A (en) | 1980-06-10 | 1980-06-10 | Fuel injection device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS575525A true JPS575525A (en) | 1982-01-12 |
Family
ID=13656570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7824380A Pending JPS575525A (en) | 1980-06-10 | 1980-06-10 | Fuel injection device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS575525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4987876A (en) * | 1988-07-11 | 1991-01-29 | Mazda Motor Corporation | Fuel injection system for an internal combustion engine |
-
1980
- 1980-06-10 JP JP7824380A patent/JPS575525A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4987876A (en) * | 1988-07-11 | 1991-01-29 | Mazda Motor Corporation | Fuel injection system for an internal combustion engine |
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