JPS6439470U - - Google Patents
Info
- Publication number
- JPS6439470U JPS6439470U JP13520887U JP13520887U JPS6439470U JP S6439470 U JPS6439470 U JP S6439470U JP 13520887 U JP13520887 U JP 13520887U JP 13520887 U JP13520887 U JP 13520887U JP S6439470 U JPS6439470 U JP S6439470U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- motor section
- pump
- control device
- fuel pump
- 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
- 239000000446 fuel Substances 0.000 claims description 15
- 239000002828 fuel tank Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
第１図、第２図は第１の実施例を示し、第１図
は本実施例に用いる燃料噴射装置の全体構成図、
第２図は燃料ポンプ制御装置の回路構成図、第３
図、第４図は第２の実施例を示し、第３図は燃料
ポンプ制御装置の回路構成図、第４図は印加電圧
制御処理を示す流れ図、第５図ないし第８図は従
来技術に係り、第５図は従来技術に用いる燃料噴
射装置の全体構成図、第６図は燃料ポンプ制御装
置の回路構成図、第７図は正常時の燃料ポンプの
回転数、吐出流量、印加電圧の関係を示す特性線
図、第８図はキヤビテーシヨン発生時の燃料ポン
プの回転数、吐出流量、印加電圧の関係を示す特
性線図である。
１……燃料タンク、２……燃料ポンプ、２Ｂ…
…直流モータ部、２Ｃ……ポンプ部、７……直流
電源、８……トランジスタ、１０，２２……モー
タ制御装置、１１……ポジスタ、２１……燃温セ
ンサ、Ｆ……燃料。
1 and 2 show a first embodiment, and FIG. 1 is an overall configuration diagram of a fuel injection device used in this embodiment,
Figure 2 is a circuit diagram of the fuel pump control device;
4 shows the second embodiment, FIG. 3 is a circuit diagram of the fuel pump control device, FIG. 4 is a flowchart showing the applied voltage control process, and FIGS. 5 to 8 are related to the prior art. Accordingly, Fig. 5 is an overall configuration diagram of a fuel injection device used in the prior art, Fig. 6 is a circuit configuration diagram of a fuel pump control device, and Fig. 7 is a diagram of the rotation speed, discharge flow rate, and applied voltage of the fuel pump during normal operation. FIG. 8 is a characteristic diagram showing the relationship among the rotational speed of the fuel pump, the discharge flow rate, and the applied voltage when cavitation occurs. 1...Fuel tank, 2...Fuel pump, 2B...
...DC motor section, 2C...Pump section, 7...DC power supply, 8...Transistor, 10, 22...Motor control device, 11...POSISTOR, 21...Fuel temperature sensor, F...Fuel.
Claims (1)
流モータ部によつて回転駆動されるポンプ部とか
らなる燃料ポンプと、該燃料ポンプの直流モータ
部に電圧を供給する直流電源とを備えた燃料ポン
プ制御装置において、前記燃料タンク内の燃料温
度を検出し、該燃料温度が高さに対応して前記直
流電源による直流モータ部への印加電圧を降下せ
しめる印加電圧降下手段を設けたことを特徴とす
る燃料ポンプ制御装置。 A fuel pump provided in a fuel tank and comprising a DC motor section and a pump section rotationally driven by the DC motor section, and a DC power supply that supplies voltage to the DC motor section of the fuel pump. The pump control device is characterized in that an applied voltage reducing means is provided for detecting the temperature of the fuel in the fuel tank and lowering the voltage applied to the DC motor section by the DC power supply in accordance with the level of the fuel temperature. Fuel pump control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987135208U JPH0614070Y2 (en) | 1987-09-04 | 1987-09-04 | Fuel pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987135208U JPH0614070Y2 (en) | 1987-09-04 | 1987-09-04 | Fuel pump controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6439470U true JPS6439470U (en) | 1989-03-09 |
| JPH0614070Y2 JPH0614070Y2 (en) | 1994-04-13 |
Family
ID=31394631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987135208U Expired - Lifetime JPH0614070Y2 (en) | 1987-09-04 | 1987-09-04 | Fuel pump controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614070Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59150972A (en) * | 1983-02-17 | 1984-08-29 | Mazda Motor Corp | Fuel pump control device for engine |
| JPS6180361U (en) * | 1984-10-31 | 1986-05-28 | ||
| JPS6267993U (en) * | 1985-10-21 | 1987-04-28 |
-
1987
- 1987-09-04 JP JP1987135208U patent/JPH0614070Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59150972A (en) * | 1983-02-17 | 1984-08-29 | Mazda Motor Corp | Fuel pump control device for engine |
| JPS6180361U (en) * | 1984-10-31 | 1986-05-28 | ||
| JPS6267993U (en) * | 1985-10-21 | 1987-04-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614070Y2 (en) | 1994-04-13 |
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