JPS5627062A - Fuel injection equipment for diesel engine - Google Patents
Fuel injection equipment for diesel engineInfo
- Publication number
- JPS5627062A JPS5627062A JP10282979A JP10282979A JPS5627062A JP S5627062 A JPS5627062 A JP S5627062A JP 10282979 A JP10282979 A JP 10282979A JP 10282979 A JP10282979 A JP 10282979A JP S5627062 A JPS5627062 A JP S5627062A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valve
- oil
- injection
- 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)
Abstract
PURPOSE: To improve the Diesel engine in combustion and to reduce the specific fuel consumption by allowing the pressure oil in the pressure-oil chamber and a needle valve spring to cooperate with each other for obtaning an excellent cut-off of injection.
CONSTITUTION: Near the end of the injection by a fuel pump 100, a fuel valve- closing reed 52 provided on a plunger 5 opens a fuel valve-closing port. Consequently, the pressure oil in the plunger chamber passes through valve-closing pressure-oil passages 101, 102 and 103, and reaches a valve-closing pressure-oil chamber 104 provided opposite to the valve seat of the fuel valve to raise the pressure in the pressure-oil chamber 104 so that the pressure acts so as to close needle valve 11 in cooperation with the valve spring 13. A little after this, a reed 51 opens an oil exhaust port 62, and so the fuel injection pressure begins to lower. Consequently, the pressure in an oil reservoir 91 pushing up the needle valve 11 lowers, and together with the valve spring 13 the pressure in the valve-closing pressure-oil chamber 104 which has begun to rise a little earlier causes the valve 11 to lower and be closed. This permits the low-pressure portion at the end of injection to be cut off. Therefore, an excellent cut-off of injection can be obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10282979A JPS5627062A (en) | 1979-08-14 | 1979-08-14 | Fuel injection equipment for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10282979A JPS5627062A (en) | 1979-08-14 | 1979-08-14 | Fuel injection equipment for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5627062A true JPS5627062A (en) | 1981-03-16 |
Family
ID=14337895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10282979A Pending JPS5627062A (en) | 1979-08-14 | 1979-08-14 | Fuel injection equipment for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5627062A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170767A (en) * | 1986-01-23 | 1987-07-27 | Yanmar Diesel Engine Co Ltd | Integrated fuel injection valve |
| US5950836A (en) * | 1996-12-26 | 1999-09-14 | Zeon Kasei Co., Ltd. | Container |
-
1979
- 1979-08-14 JP JP10282979A patent/JPS5627062A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170767A (en) * | 1986-01-23 | 1987-07-27 | Yanmar Diesel Engine Co Ltd | Integrated fuel injection valve |
| US5950836A (en) * | 1996-12-26 | 1999-09-14 | Zeon Kasei Co., Ltd. | Container |
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