JPH0459348U - - Google Patents
Info
- Publication number
- JPH0459348U JPH0459348U JP10167990U JP10167990U JPH0459348U JP H0459348 U JPH0459348 U JP H0459348U JP 10167990 U JP10167990 U JP 10167990U JP 10167990 U JP10167990 U JP 10167990U JP H0459348 U JPH0459348 U JP H0459348U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- boost
- adjusts
- diesel engine
- stroke
- 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 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- High-Pressure Fuel Injection Pump Control (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、５……プリストロークアクチユ
エータ電源回路、６……リレー、８……ブースト
コンペンセータ、９……三方電磁弁。
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...
...Pre-stroke actuator, 4... Control unit, 5... Pre-stroke actuator power supply circuit, 6... Relay, 8... Boost compensator, 9... Three-way solenoid valve.
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、前記アクチユエータあるい
はセンサ類の故障時に開成するリレーをアクチユ
エータの電源回路に介装するとともに、このリレ
ーを介してアクチユエータの電源カツト時に前記
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 pre-stroke of the fuel injection pump, and a control unit that sends a pre-stroke drive signal to the actuator according to engine operating conditions to control the fuel injection rate and injection timing, while controlling the boost pressure led from the intake pipe. In a fuel injection system for a diesel engine that is equipped with a boost compensator that adjusts the amount of fuel injected using A fuel injection device for a diesel engine, comprising a three-way solenoid valve that sometimes cuts off the boost pressure introduced into the boost compensator and releases it to the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101679U JP2502302Y2 (en) | 1990-09-28 | 1990-09-28 | Fuel injection device for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101679U JP2502302Y2 (en) | 1990-09-28 | 1990-09-28 | Fuel injection device for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0459348U true JPH0459348U (en) | 1992-05-21 |
| JP2502302Y2 JP2502302Y2 (en) | 1996-06-19 |
Family
ID=31845358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990101679U Expired - Lifetime JP2502302Y2 (en) | 1990-09-28 | 1990-09-28 | Fuel injection device for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2502302Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55102038U (en) * | 1979-01-09 | 1980-07-16 |
-
1990
- 1990-09-28 JP JP1990101679U patent/JP2502302Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55102038U (en) * | 1979-01-09 | 1980-07-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2502302Y2 (en) | 1996-06-19 |
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