JPS59159780U - Internal combustion engine fuel injection system - Google Patents
Internal combustion engine fuel injection systemInfo
- Publication number
- JPS59159780U JPS59159780U JP5350483U JP5350483U JPS59159780U JP S59159780 U JPS59159780 U JP S59159780U JP 5350483 U JP5350483 U JP 5350483U JP 5350483 U JP5350483 U JP 5350483U JP S59159780 U JPS59159780 U JP S59159780U
- Authority
- JP
- Japan
- Prior art keywords
- fuel passage
- valve
- internal combustion
- combustion engine
- pilot
- 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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の燃料噴射装置の縦断面図、第２図は本考
案にかかる燃料噴射装置の一実施例を示す縦断面図、第
３図は同上の各部の同特性を示すタイムチャートである
。
１１・・・・・パユニットインジエクタ、１２・・・・
・・プランジャ、１３・・・・・・カム機構、１５・・
曲ポンプ室、２０・・・・・・パイロット用燃料通路、
２１・・・・・・メイン用燃料通路、２３・・・・・・
燃料タンク、２６・・・・・・噴口、２７・・・・・・
ニードルゲルブ、３３・・・・・・開閉弁、４０゜４１
・・・・・・電磁開閉弁、４２・・・・・・燃料供給通
路、５０・・・・・・制御装置、５５・・・・・・逆止
弁。Fig. 1 is a longitudinal sectional view of a conventional fuel injection device, Fig. 2 is a longitudinal sectional view showing an embodiment of the fuel injection device according to the present invention, and Fig. 3 is a time chart showing the same characteristics of each part of the above. be. 11...Pa unit injector, 12...
...Plunger, 13...Cam mechanism, 15...
Bent pump chamber, 20...Pilot fuel passage,
21... Main fuel passage, 23...
Fuel tank, 26... Nozzle, 27...
Needle gelb, 33... Open/close valve, 40°41
. . . Solenoid on-off valve, 42 . . . Fuel supply passage, 50 . . . Control device, 55 . . . Check valve.
Claims (1)
により燃料をポンプ室内に吸入しかつこれより圧送する
プランジャと、ポンプ室から圧送される所定値以上の燃
料圧力を受けて噴口を開弁する常閉の弁体と、を備えた
燃料噴射装置において、相互に並列配設されて前記ポン
プ室と前記噴口とを連通ずるパイロット用燃料通路及び
メイン用燃料通路と、 パイロット用燃料通路からメイン用燃料通路への燃料流
を阻止する逆止弁と、 メイン用燃料通路に介装され前記プランジャの圧縮スト
ロークの所定領域で開弁する開閉弁と、′パイロット用
燃料通路及びメイン用燃料通路に夫々介装され開弁時に
これら燃料源に連通ずるパイロット用電磁開閉弁及びメ
イン用電磁開閉弁と、前記両電磁開閉弁を機関運転状態
に応じて通電制御する制御装置と、 を設けたことを特徴とする内燃機関の燃料噴射装置。[Claims for Utility Model Registration] A plunger that draws fuel into a pump chamber and pumps it under pressure by reciprocating in synchronization with the rotation of an internal combustion engine; a normally-closed valve body that opens the nozzle in response to the valve, a pilot fuel passage and a main fuel passage arranged in parallel with each other to communicate the pump chamber and the nozzle; a check valve that blocks fuel flow from the pilot fuel passage to the main fuel passage; an on-off valve that is interposed in the main fuel passage and opens in a predetermined region of the compression stroke of the plunger; and a pilot fuel passage. and a pilot electromagnetic on-off valve and a main electromagnetic on-off valve that are respectively installed in the main fuel passage and communicate with these fuel sources when the valves are opened, and a control device that controls energization of both the electromagnetic on-off valves according to the engine operating state. A fuel injection device for an internal combustion engine, characterized in that it is provided with the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5350483U JPS59159780U (en) | 1983-04-12 | 1983-04-12 | Internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5350483U JPS59159780U (en) | 1983-04-12 | 1983-04-12 | Internal combustion engine fuel injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59159780U true JPS59159780U (en) | 1984-10-26 |
Family
ID=30183849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5350483U Pending JPS59159780U (en) | 1983-04-12 | 1983-04-12 | Internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59159780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62223453A (en) * | 1986-03-25 | 1987-10-01 | Toyota Autom Loom Works Ltd | Fuel injection system for internal combustion engine |
-
1983
- 1983-04-12 JP JP5350483U patent/JPS59159780U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62223453A (en) * | 1986-03-25 | 1987-10-01 | Toyota Autom Loom Works Ltd | Fuel injection system for internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58149566U (en) | distribution type fuel injection pump | |
| JPS59159780U (en) | Internal combustion engine fuel injection system | |
| JPS59144131U (en) | Internal combustion engine fuel injection system | |
| JPS6045867U (en) | Internal combustion engine fuel injection system | |
| JPS5996362U (en) | Internal combustion engine fuel injection system | |
| JPS5988265U (en) | Internal combustion engine fuel injection system | |
| JPS6034559U (en) | Fuel injection pump injection rate control device | |
| JPS59181269U (en) | unit injector | |
| JPS60155766U (en) | Fuel supply system for liquefied petroleum gas internal combustion engine | |
| JPS59157573U (en) | Internal combustion engine fuel injection system | |
| JPS5832166U (en) | Internal combustion engine fuel injection nozzle | |
| JPS5824463U (en) | Electronically controlled fuel injection engine restart device | |
| JPS6075677U (en) | Internal combustion engine fuel injection system | |
| JPS59179273U (en) | unit injector | |
| JPS5967521U (en) | Exhaust temperature heating device for exhaust particulate treatment of internal combustion engines | |
| JPS5812671U (en) | Diesel engine fuel injection system | |
| JPS5934040U (en) | Electronically controlled diesel engine | |
| JPS60120270U (en) | fuel injector | |
| JPH0325847U (en) | ||
| JPS5892401U (en) | Injection timing control device for fuel-injected internal combustion engines | |
| JPS6321772U (en) | ||
| JPS59159779U (en) | Internal combustion engine fuel injection system | |
| JPH0237260U (en) | ||
| JPS58151352U (en) | internal combustion engine fuel injection pump | |
| JPH07139448A (en) | Fuel injection device for diesel engine |