JPH0222663U - - Google Patents
Info
- Publication number
- JPH0222663U JPH0222663U JP10061688U JP10061688U JPH0222663U JP H0222663 U JPH0222663 U JP H0222663U JP 10061688 U JP10061688 U JP 10061688U JP 10061688 U JP10061688 U JP 10061688U JP H0222663 U JPH0222663 U JP H0222663U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel
- pressure
- hydraulically driven
- driven piston
- 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 8
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１〜４図は本考案に係るもので、第１図は噴
射システムの構成図、第２図はコントローラの信
号線図、第３図は噴射圧力、針弁リフトの波形図
、第４図は第２実施例の第１図応当図、第５〜６
図は従来例で第５図は第１図応当図、第６図は第
３図応当図である。
１……燃料タンク、２……高圧ポンプ、４……
蓄圧器、５……タイミング弁、６……油圧駆動ピ
ストン、７……メータリング弁、９……コントロ
ーラ、１１……燃料弁、１２……ノルマルクロー
ズ型電磁弁、１３……ノルマルオープン型電磁弁
、１４……分岐通路。
Figures 1 to 4 are related to the present invention; Figure 1 is a configuration diagram of the injection system, Figure 2 is a signal diagram of the controller, Figure 3 is a waveform diagram of injection pressure and needle valve lift, and Figure 4 is a diagram of waveforms of injection pressure and needle valve lift. are the corresponding diagrams in Figure 1 of the second embodiment, 5th and 6th
The figures show a conventional example, and FIG. 5 corresponds to FIG. 1, and FIG. 6 corresponds to FIG. 3. 1...Fuel tank, 2...High pressure pump, 4...
Pressure accumulator, 5... Timing valve, 6... Hydraulic driven piston, 7... Metering valve, 9... Controller, 11... Fuel valve, 12... Normally closed type solenoid valve, 13... Normally open type solenoid Valve, 14...branch passage.
Claims (1)
る高圧ポンプ、噴射開始時期を規定するタイミン
グ弁、噴射量を規定するメータリング弁、前記タ
イミング弁及びメータリング弁を制御するコント
ロール弁、燃料を主燃焼室に噴射する燃料弁、該
燃料弁を駆動する油圧駆動ピストン、該油圧駆動
ピストンと前記燃料弁とを連通する噴射パイプ等
よりなる蓄圧管制弁方式の燃料噴射システムにお
いて；前記蓄圧器から前記油圧駆動ピストンをバ
イパスし逆止弁を介して燃料弁に至る分岐通路と
；該分岐通路内に直列に設けられ前記コントロー
ル弁で制御されるノルマルクローズ型電磁弁とノ
ルマルオープン型電磁弁とを有してなる燃料噴射
装置。 A pressure accumulator that stores high-pressure oil, a high-pressure pump that sends oil to the pressure accumulator, a timing valve that specifies injection start timing, a metering valve that specifies the injection amount, and a control valve that controls the timing valve and the metering valve. In a pressure accumulation control valve type fuel injection system comprising a fuel valve that injects fuel into a main combustion chamber, a hydraulically driven piston that drives the fuel valve, an injection pipe that communicates the hydraulically driven piston and the fuel valve, etc.; a branch passage that bypasses the hydraulically driven piston and leads to the fuel valve via a check valve; a normally closed solenoid valve and a normally open solenoid valve that are provided in series in the branch passage and are controlled by the control valve; A fuel injection device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10061688U JP2539668Y2 (en) | 1988-07-30 | 1988-07-30 | Fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10061688U JP2539668Y2 (en) | 1988-07-30 | 1988-07-30 | Fuel injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0222663U true JPH0222663U (en) | 1990-02-15 |
| JP2539668Y2 JP2539668Y2 (en) | 1997-06-25 |
Family
ID=31328852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10061688U Expired - Lifetime JP2539668Y2 (en) | 1988-07-30 | 1988-07-30 | Fuel injection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539668Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001088364A1 (en) * | 2000-05-17 | 2001-11-22 | Bosch Automotive Systems Corporation | Fuel injection device |
-
1988
- 1988-07-30 JP JP10061688U patent/JP2539668Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001088364A1 (en) * | 2000-05-17 | 2001-11-22 | Bosch Automotive Systems Corporation | Fuel injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539668Y2 (en) | 1997-06-25 |
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