JPS5968143U - Diesel engine fuel injection system - Google Patents
Diesel engine fuel injection systemInfo
- Publication number
- JPS5968143U JPS5968143U JP16530182U JP16530182U JPS5968143U JP S5968143 U JPS5968143 U JP S5968143U JP 16530182 U JP16530182 U JP 16530182U JP 16530182 U JP16530182 U JP 16530182U JP S5968143 U JPS5968143 U JP S5968143U
- Authority
- JP
- Japan
- Prior art keywords
- diesel engine
- fuel injection
- return hole
- injection system
- engine fuel
- 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.)
- Pending
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来例及び本考案の実施例におけるディーゼル
機関の進角量と機関回転数との関係を示〜す線図、第2
図は従来のVE型の燃料噴射ポンプの概略側面図、第3
図は第2図のオーバフローバルブの要部拡大の側断面図
、第4図は本考案の実施例におけるディーゼル機関の燃
料噴射装置の要部側断面図、第5図は第4図の機関始動
時の状態を示す要部側断面図、第6図は燃料噴射ポンプ
のポンプ室内圧と機関回転数との関係を示す線図、第7
図は第4図のソレノイドへの電流制御装置の作動を示す
タイムチャート、第8図は本考案の他の実施例における
ソレノイドの作動を示すタイムチャートである。
1・・・燃料噴射ポンプ、2・・・リターン穴、3・・
・芽−パフローバルブ、4・・・始動リターン穴、6・
・・プランジャ、7・・・スプリング、8・・・ソレノ
イド、F・・・燃料。
キースイッチ ′t7↑ [−−−−L−−」□□
−上−−
I T2Fig. 1 is a diagram showing the relationship between advance angle amount and engine speed of a diesel engine in a conventional example and an embodiment of the present invention;
The figure is a schematic side view of a conventional VE type fuel injection pump.
The figure is an enlarged side sectional view of the main part of the overflow valve shown in Fig. 2, Fig. 4 is a side sectional view of the main part of the diesel engine fuel injection system according to the embodiment of the present invention, and Fig. 5 is the engine starting shown in Fig. 4. Fig. 6 is a diagram showing the relationship between the pump chamber pressure and engine speed of the fuel injection pump;
This figure is a time chart showing the operation of the current control device for the solenoid in FIG. 4, and FIG. 8 is a time chart showing the operation of the solenoid in another embodiment of the present invention. 1...Fuel injection pump, 2...Return hole, 3...
・Bud-puff flow valve, 4...Start return hole, 6.
... Plunger, 7... Spring, 8... Solenoid, F... Fuel. Key switch 't7↑ [----L--]□□
-Top-- I T2
Claims (1)
噴射ポンプを装備したディーゼル機関において、該オー
バフローバルブに、上記リターン穴の他に、そのリター
ン穴よりも径の小さな始動リターン穴を設けると共に、
該ディーゼル機関の始動時の所定期間のみ上記リターン
穴を閉鎖し、かつ該始動リターン穴を開放するプランジ
ャを内設したことを特徴とするディーゼル機関の燃料噴
射装置。In a diesel engine equipped with a fuel injection pump with an overflow valve having a fuel return hole, the overflow valve is provided with a starting return hole having a smaller diameter than the return hole in addition to the return hole, and
A fuel injection device for a diesel engine, comprising a plunger that closes the return hole only for a predetermined period when starting the diesel engine and opens the start return hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16530182U JPS5968143U (en) | 1982-10-30 | 1982-10-30 | Diesel engine fuel injection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16530182U JPS5968143U (en) | 1982-10-30 | 1982-10-30 | Diesel engine fuel injection system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5968143U true JPS5968143U (en) | 1984-05-09 |
Family
ID=30362185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16530182U Pending JPS5968143U (en) | 1982-10-30 | 1982-10-30 | Diesel engine fuel injection system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5968143U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001090569A1 (en) * | 2000-05-26 | 2001-11-29 | Yanmar Co., Ltd. | Fuel injection pump |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57332A (en) * | 1980-04-28 | 1982-01-05 | Stanadyne Inc | Fuel injection pump |
JPS5728132B2 (en) * | 1976-09-01 | 1982-06-15 |
-
1982
- 1982-10-30 JP JP16530182U patent/JPS5968143U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5728132B2 (en) * | 1976-09-01 | 1982-06-15 | ||
JPS57332A (en) * | 1980-04-28 | 1982-01-05 | Stanadyne Inc | Fuel injection pump |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001090569A1 (en) * | 2000-05-26 | 2001-11-29 | Yanmar Co., Ltd. | Fuel injection pump |
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