JPH02124257U - - Google Patents
Info
- Publication number
- JPH02124257U JPH02124257U JP3334689U JP3334689U JPH02124257U JP H02124257 U JPH02124257 U JP H02124257U JP 3334689 U JP3334689 U JP 3334689U JP 3334689 U JP3334689 U JP 3334689U JP H02124257 U JPH02124257 U JP H02124257U
- Authority
- JP
- Japan
- Prior art keywords
- fuel pump
- fuel
- rotation speed
- engine
- control device
- 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
- 239000000446 fuel Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第1図は本考案にかかるエンジンの燃料ポンプ
制御装置の一実施例を示す概略構成図、第2図は
その燃料ポンプの縦断面図、第3図は第2図の
−線断面図、第4図はエンジンコントロールユ
ニツトの制御の具体例を示すフローチヤート、第
5図は燃料ポンプ作動中にエアを噛み込んだ場合
の燃料ポンプ回転数の変動を示すタイムチヤート
である。
2……燃料、4……燃料ポンプ、5……電流計
(燃料ポンプ回転数判定値検出手段)、9……エ
ンジンの燃料供給手段、81……燃料ポンプ作動
停止手段。
FIG. 1 is a schematic configuration diagram showing an embodiment of an engine fuel pump control device according to the present invention, FIG. 2 is a longitudinal cross-sectional view of the fuel pump, and FIG. FIG. 4 is a flowchart showing a specific example of control by the engine control unit, and FIG. 5 is a time chart showing fluctuations in the fuel pump rotational speed when air is trapped during fuel pump operation. 2...Fuel, 4...Fuel pump, 5...Ammeter (fuel pump rotation speed determination value detection means), 9...Engine fuel supply means, 81...Fuel pump operation stop means.
Claims (1)
の燃料ポンプを制御する制御装置において、燃料
ポンプの回転数に対応した判定値を検出する燃料
ポンプ回転数判定値検出手段と、この燃料ポンプ
回転数判定値検出手段で燃料ポンプが空転状態に
あるときの回転数に対応する判定値が検出された
ときに燃料ポンプの作動を一定時間停止させる燃
料ポンプ作動停止手段とを備えていることを特徴
とするエンジンの燃料ポンプ制御装置。 In a control device for controlling a fuel pump for feeding fuel to a fuel supply means of an engine, there is provided a fuel pump rotation speed determination value detection means for detecting a determination value corresponding to the rotation speed of the fuel pump; The fuel pump operation stopping means stops the operation of the fuel pump for a certain period of time when the judgment value detection means detects a judgment value corresponding to the rotation speed when the fuel pump is in an idling state. Engine fuel pump control device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3334689U JPH02124257U (en) | 1989-03-23 | 1989-03-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3334689U JPH02124257U (en) | 1989-03-23 | 1989-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02124257U true JPH02124257U (en) | 1990-10-12 |
Family
ID=31536939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3334689U Pending JPH02124257U (en) | 1989-03-23 | 1989-03-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02124257U (en) |
-
1989
- 1989-03-23 JP JP3334689U patent/JPH02124257U/ja active Pending