JPS61175569U - - Google Patents
Info
- Publication number
- JPS61175569U JPS61175569U JP5957185U JP5957185U JPS61175569U JP S61175569 U JPS61175569 U JP S61175569U JP 5957185 U JP5957185 U JP 5957185U JP 5957185 U JP5957185 U JP 5957185U JP S61175569 U JPS61175569 U JP S61175569U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure
- spill
- valve opening
- pressure chamber
- 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
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案一実施例の縦断面図、第２図、
第３図は同作用説明図、第４図は本考案の他の実
施例の縦断面図、第５図、第６図は同作用説明図
、第７図、第８図はそれぞれ本考案の他の実施例
の縦断面図、第９図は従来におけるユニツトイン
ジエクタ構成の説明図、第１０図はＰＴ―フユエ
ルシステムの構成説明図、第１１図は従来の燃料
噴射装置の縦断面図である。
２０はインジエクタ本体、２３は燃料入口、２
４はスピル孔、３１はプランジヤ。
Fig. 1 is a longitudinal sectional view of an embodiment of the present invention;
Fig. 3 is an explanatory diagram of the same action, Fig. 4 is a longitudinal sectional view of another embodiment of the present invention, Figs. 5 and 6 are explanatory diagrams of the same action, and Figs. 7 and 8 are respectively of the present invention. A vertical sectional view of another embodiment, FIG. 9 is an explanatory diagram of a conventional unit injector configuration, FIG. 10 is an explanatory diagram of a PT-fuel system configuration, and FIG. 11 is a vertical sectional view of a conventional fuel injection device. It is. 20 is the injector body, 23 is the fuel inlet, 2
4 is a spill hole, and 31 is a plunger.
Claims (1)
の作動により圧力室４２内の燃料を加圧するプラ
ンジヤ３１に、調量時に燃料入口２３を圧力室４
２に連通し且つ噴射終了時スピル孔２４に連通す
る通路３３を設け、スピル孔２４から燃料タンク
２９に至る管路２８に、燃料圧より高くニードル
３７の開弁圧より低い開弁圧を有するスピルチエ
ツク弁３０を設けたことを特徴とするデイーゼル
機関用熱料噴射装置。 The cam 36 is inserted into the injector body 20.
When metering, the fuel inlet 23 is connected to the plunger 31, which pressurizes the fuel in the pressure chamber 42 by the operation of the pressure chamber 4.
2 and the spill hole 24 at the end of injection, and the pipe line 28 from the spill hole 24 to the fuel tank 29 has a valve opening pressure higher than the fuel pressure and lower than the valve opening pressure of the needle 37. A heat injection device for a diesel engine, characterized in that a spill check valve 30 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5957185U JPS61175569U (en) | 1985-04-23 | 1985-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5957185U JPS61175569U (en) | 1985-04-23 | 1985-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61175569U true JPS61175569U (en) | 1986-11-01 |
Family
ID=30586121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5957185U Pending JPS61175569U (en) | 1985-04-23 | 1985-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61175569U (en) |
-
1985
- 1985-04-23 JP JP5957185U patent/JPS61175569U/ja active Pending
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