JPH01173422U - - Google Patents
Info
- Publication number
- JPH01173422U JPH01173422U JP6679588U JP6679588U JPH01173422U JP H01173422 U JPH01173422 U JP H01173422U JP 6679588 U JP6679588 U JP 6679588U JP 6679588 U JP6679588 U JP 6679588U JP H01173422 U JPH01173422 U JP H01173422U
- Authority
- JP
- Japan
- Prior art keywords
- alcohol concentration
- engine
- supercharging pressure
- boost pressure
- pressure control
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案の一実施例を示すエンジンのシ
ステム図、第２図はデユーテイ―最大過給圧制御
特性図、第３図はメタノール混合割合に対する最
大過給圧の特性図、第４図は制御内容を示すフロ
ーチヤートである。
１……エンジン本体、２……吸気通路、３……
排気通路、４……燃料噴射弁、９……吸気コンプ
レツサ、１１……排気タービン、１４……バイパ
ス通路、１５……スイングバルブ、１６……ダイ
アフラム装置、１８……電磁弁、２０……コント
ロールユニツト、２２……圧力センサ、２３……
水温センサ、２４……ノツクセンサ、２５……ア
ルコール濃度センサ。
Fig. 1 is an engine system diagram showing an embodiment of the present invention, Fig. 2 is a duty-maximum boost pressure control characteristic diagram, Fig. 3 is a characteristic diagram of maximum boost pressure with respect to methanol mixing ratio, and Fig. 4 is a flowchart showing the control contents. 1...Engine body, 2...Intake passage, 3...
Exhaust passage, 4... Fuel injection valve, 9... Intake compressor, 11... Exhaust turbine, 14... Bypass passage, 15... Swing valve, 16... Diaphragm device, 18... Solenoid valve, 20... Control Unit, 22... Pressure sensor, 23...
Water temperature sensor, 24...knock sensor, 25...alcohol concentration sensor.
Claims (1)
エータを有するエンジンにおいて、燃料中のアル
コール濃度を検出するアルコール濃度検出手段と
、検出されたアルコール濃度に応じて前記アクチ
ユエータを介し過給圧を制御する過給圧制御手段
とを設けたことを特徴とする過給機付エンジンの
過給圧制御装置。 In an engine having a supercharger and an actuator that varies boost pressure, the engine includes alcohol concentration detection means for detecting alcohol concentration in fuel, and boost pressure is adjusted via the actuator according to the detected alcohol concentration. 1. A supercharging pressure control device for a supercharged engine, comprising a supercharging pressure control means for controlling the supercharging pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6679588U JPH01173422U (en) | 1988-05-23 | 1988-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6679588U JPH01173422U (en) | 1988-05-23 | 1988-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01173422U true JPH01173422U (en) | 1989-12-08 |
Family
ID=31292182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6679588U Pending JPH01173422U (en) | 1988-05-23 | 1988-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01173422U (en) |
-
1988
- 1988-05-23 JP JP6679588U patent/JPH01173422U/ja active Pending