JPH0459347U - - Google Patents
Info
- Publication number
- JPH0459347U JPH0459347U JP10167890U JP10167890U JPH0459347U JP H0459347 U JPH0459347 U JP H0459347U JP 10167890 U JP10167890 U JP 10167890U JP 10167890 U JP10167890 U JP 10167890U JP H0459347 U JPH0459347 U JP H0459347U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- control unit
- relay
- prestroke
- energized
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
、第３図はそれぞれ三方電磁弁の作動状態を示す
図、第４図は作用を示す流れ図である。
１……エンジン、２……燃料噴射ポンプ、３…
…プリストロークアクチユエータ、４……コント
ロールユニツト、８……ブーストコンペンセータ
、９……三方電磁弁、１５……コントロールユニ
ツト電源回路、１６……リレー。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIGS. 2 and 3 are diagrams showing the operating states of a three-way solenoid valve, and FIG. 4 is a flowchart showing the operation. 1...Engine, 2...Fuel injection pump, 3...
...Prestroke actuator, 4...Control unit, 8...Boost compensator, 9...Three-way solenoid valve, 15...Control unit power supply circuit, 16...Relay.
Claims (1)
クチユエータと、このアクチユエータにエンジン
運転状態に応じてプリストローク駆動信号を送つ
て燃料噴射率および噴射時期を制御するコントロ
ールユニツトを備える一方、吸気管から導かれる
ブースト圧により燃料噴射量を調節するブースト
コンペンセータを備えるデイーゼルエンジンの燃
料噴射装置において、前記コントロールユニツト
の電源回路の通電時に閉成するリレーを備え、こ
のリレーを介してコントロールユニツトの非通電
時に前記ブーストコンペンセータに導かれるブー
スト圧を遮断して大気に解放する三方電磁弁を備
えたことを特徴とするデイーゼルエンジンの燃料
噴射装置。 It is equipped with an actuator that adjusts the prestroke of the fuel injection pump, and a control unit that sends a prestroke drive signal to the actuator according to the engine operating state to control the fuel injection rate and injection timing. A fuel injection system for a diesel engine equipped with a boost compensator that adjusts the amount of fuel injection by a fuel injection system, which includes a relay that closes when the power circuit of the control unit is energized, and which connects the boost compensator to the boost compensator through the relay when the control unit is not energized. A fuel injection device for a diesel engine characterized by being equipped with a three-way solenoid valve that cuts off the introduced boost pressure and releases it to the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101678U JP2502301Y2 (en) | 1990-09-28 | 1990-09-28 | Fuel injection device for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101678U JP2502301Y2 (en) | 1990-09-28 | 1990-09-28 | Fuel injection device for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0459347U true JPH0459347U (en) | 1992-05-21 |
| JP2502301Y2 JP2502301Y2 (en) | 1996-06-19 |
Family
ID=31845357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990101678U Expired - Lifetime JP2502301Y2 (en) | 1990-09-28 | 1990-09-28 | Fuel injection device for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2502301Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57193728A (en) * | 1981-05-09 | 1982-11-29 | Bayerische Motoren Werke Ag | Safety device for diesel injection internal combustion engine with exhaust gas turbo-charger |
-
1990
- 1990-09-28 JP JP1990101678U patent/JP2502301Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57193728A (en) * | 1981-05-09 | 1982-11-29 | Bayerische Motoren Werke Ag | Safety device for diesel injection internal combustion engine with exhaust gas turbo-charger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2502301Y2 (en) | 1996-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |