JPS643077U - - Google Patents
Info
- Publication number
- JPS643077U JPS643077U JP9717887U JP9717887U JPS643077U JP S643077 U JPS643077 U JP S643077U JP 9717887 U JP9717887 U JP 9717887U JP 9717887 U JP9717887 U JP 9717887U JP S643077 U JPS643077 U JP S643077U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure
- pressure regulator
- abnormal resonance
- 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 13
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図ないし第３図は第１の実施例に係り、第
１図は本実施例による燃料噴射装置の全体構成図
、第２図は圧力レギユレータの縦断面図、第３図
は異常共振防止処理を示す流れ図、第４図ないし
第７図は第２の実施例に係り、第４図は本実施例
による燃料噴射装置の全体構成図、第５図は圧力
レギユレータの要部拡大縦断面図、第６図は異常
共振防止処理を示す流れ図、第７図は噴射パルス
と同期パルスを示す波形図である。
１…燃料タンク、３…燃料ポンプ、３Ｂ…直流
モータ部、３Ｃ…ポンプ部、７，２１…圧力レギ
ユレータ、７Ａ，２１Ａ…ケーシング、７Ｂ，２
１Ｂ…ダイアフラム、７Ｃ，２１Ｃ…アーマチヤ
、７Ｄ，２１Ｄ…弁体、７Ｅ，２１Ｅ…筒状弁座
、８…インジエクタ、１１…インテイクマニホー
ルド、１３…振動検出センサ、１４，２３…制御
ユニツト、１５，２４…燃料ポンプ制御装置、１
６，２５…インジエクタ制御装置、２２…電磁マ
グネツト、２６…電磁マグネツト制御装置。
Figures 1 to 3 relate to the first embodiment, where Figure 1 is an overall configuration diagram of the fuel injection device according to this embodiment, Figure 2 is a vertical cross-sectional view of the pressure regulator, and Figure 3 is for preventing abnormal resonance. Flowcharts showing the process, FIGS. 4 to 7 relate to the second embodiment, FIG. 4 is an overall configuration diagram of the fuel injection device according to the present embodiment, and FIG. 5 is an enlarged vertical cross-sectional view of the main parts of the pressure regulator. , FIG. 6 is a flowchart showing abnormal resonance prevention processing, and FIG. 7 is a waveform chart showing injection pulses and synchronization pulses. 1... Fuel tank, 3... Fuel pump, 3B... DC motor section, 3C... Pump section, 7, 21... Pressure regulator, 7A, 21A... Casing, 7B, 2
1B... Diaphragm, 7C, 21C... Armature, 7D, 21D... Valve body, 7E, 21E... Cylindrical valve seat, 8... Injector, 11... Intake manifold, 13... Vibration detection sensor, 14, 23... Control unit, 15, 24...Fuel pump control device, 1
6, 25... Injector control device, 22... Electromagnetic magnet, 26... Electromagnetic magnet control device.
Claims (1)
ンプと、該燃料ポンプから吐出された燃料圧力を
インテイクマニホールドによる空気吸込圧力に応
じて所定圧に調圧する圧力レギユレータと、該圧
力レギユレータによつて調圧された燃料をエンジ
ンに噴射するインジエクタとからなる燃料噴射装
置において、前記圧力レギユレータに発生する異
常共振を検出する振動検出手段と、該振動検出手
段によつて圧力レギユレータの異常共振を検出し
たときには該圧力レギユレータの異常共振を防止
する異常共振防止手段とから構成したことを特徴
とする燃料噴射装置。 A fuel pump that discharges fuel according to the rotational speed of the motor, a pressure regulator that regulates the pressure of the fuel discharged from the fuel pump to a predetermined pressure according to the air suction pressure by the intake manifold, and a pressure regulator that regulates the pressure of the fuel discharged from the fuel pump according to the rotation speed of the motor. In a fuel injection device comprising an injector that injects pressurized fuel into an engine, vibration detection means detects abnormal resonance occurring in the pressure regulator; and when abnormal resonance of the pressure regulator is detected by the vibration detection means; A fuel injection device comprising abnormal resonance prevention means for preventing abnormal resonance of the pressure regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987097178U JPH0629495Y2 (en) | 1987-06-24 | 1987-06-24 | Fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987097178U JPH0629495Y2 (en) | 1987-06-24 | 1987-06-24 | Fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS643077U true JPS643077U (en) | 1989-01-10 |
| JPH0629495Y2 JPH0629495Y2 (en) | 1994-08-10 |
Family
ID=31322438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987097178U Expired - Lifetime JPH0629495Y2 (en) | 1987-06-24 | 1987-06-24 | Fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629495Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5202722B2 (en) * | 2009-02-20 | 2013-06-05 | ボッシュ株式会社 | Control device for accumulator fuel injector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5720553A (en) * | 1980-07-09 | 1982-02-03 | Hitachi Zosen Corp | Abnormality detecting process of fuel injection system |
| JPS5937301A (en) * | 1982-08-21 | 1984-02-29 | Mitsubishi Electric Corp | Fuel pressure regulator of automobile |
| JPS6011671A (en) * | 1983-06-23 | 1985-01-21 | ドクトル・インジエニエ−ル・ハ−・ツエ−・エフ・ポルシエ・アクチエンゲゼルシヤフト | Fuel feeder of internal combustion engine |
-
1987
- 1987-06-24 JP JP1987097178U patent/JPH0629495Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5720553A (en) * | 1980-07-09 | 1982-02-03 | Hitachi Zosen Corp | Abnormality detecting process of fuel injection system |
| JPS5937301A (en) * | 1982-08-21 | 1984-02-29 | Mitsubishi Electric Corp | Fuel pressure regulator of automobile |
| JPS6011671A (en) * | 1983-06-23 | 1985-01-21 | ドクトル・インジエニエ−ル・ハ−・ツエ−・エフ・ポルシエ・アクチエンゲゼルシヤフト | Fuel feeder of internal combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5202722B2 (en) * | 2009-02-20 | 2013-06-05 | ボッシュ株式会社 | Control device for accumulator fuel injector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629495Y2 (en) | 1994-08-10 |
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