JPS63143743U - - Google Patents
Info
- Publication number
- JPS63143743U JPS63143743U JP3772087U JP3772087U JPS63143743U JP S63143743 U JPS63143743 U JP S63143743U JP 3772087 U JP3772087 U JP 3772087U JP 3772087 U JP3772087 U JP 3772087U JP S63143743 U JPS63143743 U JP S63143743U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel injection
- supply
- engine rotation
- injection valve
- 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
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の一実施例による内燃機関の
断面図、第２図は第１、第２の燃料噴射弁の噴射
特性図、第３図は第１、第２の燃料噴射弁を同時
に動作した噴射特性図、第４図はこの考案による
噴射弁の噴射特性図である。
１……機関、２……吸気管、３……第１の燃料
噴射弁、４……第２の燃料噴射弁、６……吸入空
気量検出装置、７……エアクリーナ、９……回転
数検出器。
Fig. 1 is a sectional view of an internal combustion engine according to an embodiment of this invention, Fig. 2 is an injection characteristic diagram of the first and second fuel injection valves, and Fig. 3 is a diagram showing the injection characteristics of the first and second fuel injection valves at the same time. FIG. 4 shows the injection characteristics of the injection valve according to this invention. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake pipe, 3... First fuel injection valve, 4... Second fuel injection valve, 6... Intake air amount detection device, 7... Air cleaner, 9... Rotation speed Detector.
Claims (1)
噴射供給する第１と第２の燃料噴射弁を気筒毎に
配設した燃料噴射装置において、機関回転数が所
定値以下のときに燃料を供給する第１の燃料噴射
弁と、高速回転時には上記第１の燃料噴射弁の燃
料供給と共に一定の噴射時間（一定パルス幅）で
噴射する第２の燃料噴射弁とを備えたことを特徴
とする内燃機関の燃料噴射装置。 In a fuel injection device in which first and second fuel injection valves are arranged for each cylinder and inject and supply fuel intermittently in synchronization with engine rotation, fuel is supplied when the engine rotation speed is below a predetermined value. and a second fuel injection valve that injects fuel at a constant injection time (constant pulse width) together with the fuel supply from the first fuel injection valve during high-speed rotation. Fuel injection system for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3772087U JPS63143743U (en) | 1987-03-12 | 1987-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3772087U JPS63143743U (en) | 1987-03-12 | 1987-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63143743U true JPS63143743U (en) | 1988-09-21 |
Family
ID=30849300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3772087U Pending JPS63143743U (en) | 1987-03-12 | 1987-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63143743U (en) |
-
1987
- 1987-03-12 JP JP3772087U patent/JPS63143743U/ja active Pending
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