JPS5791367A - Fuel injector for internal combustion engine - Google Patents
Fuel injector for internal combustion engineInfo
- Publication number
- JPS5791367A JPS5791367A JP55167871A JP16787180A JPS5791367A JP S5791367 A JPS5791367 A JP S5791367A JP 55167871 A JP55167871 A JP 55167871A JP 16787180 A JP16787180 A JP 16787180A JP S5791367 A JPS5791367 A JP S5791367A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valve
- port
- nozzle
- inlet port
- 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 title abstract 8
- 238000002485 combustion reaction Methods 0.000 title 1
- 238000002347 injection Methods 0.000 abstract 3
- 239000007924 injection Substances 0.000 abstract 3
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE: To increase wear resistance at the turning area and prevent deterioration of oil sealing performance due to secular change by indirectly controlling the plunger which controls injection of the high pressure fuel from a fuel injection nozzle by a servo piston having a large diameter.
CONSTITUTION: The servo piston 60 of a large diameter which forms a servo piston chamber 76 inside is slidably arranged over the nozzle valve 32 of a pump nozzle X. A part of the fuel from a fuel feeding pump Y is introduced from the inlet port 77 above the piston chamber 76, and as a result, the valve 32 is pushed-up, to controll the fuel which is injected from an injection port 49. The inlet port 77 is opened and closed by the conical valve 61 in the upper area of the port 77, and the fuel introduced into the conical valve chamber 84 through an introduction port 156 is controlled by the solenoid valve 111 driven by a controller 20, and the valve 61 is moved up and down. Thus, supply and discharge of fuel into and out of the piston chamber 76 through the inlet port 77 and an exit port 87 is controlled respectively.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167871A JPS6029830B2 (en) | 1980-11-27 | 1980-11-27 | Internal combustion engine fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167871A JPS6029830B2 (en) | 1980-11-27 | 1980-11-27 | Internal combustion engine fuel injection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5791367A true JPS5791367A (en) | 1982-06-07 |
| JPS6029830B2 JPS6029830B2 (en) | 1985-07-12 |
Family
ID=15857620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55167871A Expired JPS6029830B2 (en) | 1980-11-27 | 1980-11-27 | Internal combustion engine fuel injection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6029830B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920560A (en) * | 1982-07-26 | 1984-02-02 | Yanmar Diesel Engine Co Ltd | Pump nozzle of internal combustion engine |
| JPS5958149A (en) * | 1982-09-24 | 1984-04-03 | Yanmar Diesel Engine Co Ltd | Pump nozzle for internal combustion engine |
| JPS59168258A (en) * | 1983-03-14 | 1984-09-21 | Yanmar Diesel Engine Co Ltd | Fuel injection device for internal-combustion engine |
-
1980
- 1980-11-27 JP JP55167871A patent/JPS6029830B2/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920560A (en) * | 1982-07-26 | 1984-02-02 | Yanmar Diesel Engine Co Ltd | Pump nozzle of internal combustion engine |
| JPS6154947B2 (en) * | 1982-07-26 | 1986-11-25 | Yanmar Diesel Engine Co | |
| JPS5958149A (en) * | 1982-09-24 | 1984-04-03 | Yanmar Diesel Engine Co Ltd | Pump nozzle for internal combustion engine |
| JPS59168258A (en) * | 1983-03-14 | 1984-09-21 | Yanmar Diesel Engine Co Ltd | Fuel injection device for internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6029830B2 (en) | 1985-07-12 |
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