JPS63126554U - - Google Patents
Info
- Publication number
- JPS63126554U JPS63126554U JP1905987U JP1905987U JPS63126554U JP S63126554 U JPS63126554 U JP S63126554U JP 1905987 U JP1905987 U JP 1905987U JP 1905987 U JP1905987 U JP 1905987U JP S63126554 U JPS63126554 U JP S63126554U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- needle
- sub
- pressure chamber
- hole
- 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
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
その要部拡大断面図、第３図はクランク角と噴射
圧力との関係を示す図、第４図はクランク角と噴
射率との関係を示す図である。
１…噴射ポンプ部、２…噴射器、６…ノズル、
６ａ…ノズル先端、７…ニードル、８…圧力室、
９…油溜り、１０…副噴射孔、１１…主噴射孔、
１４…連絡孔。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is an enlarged sectional view of its essential parts, Fig. 3 is a diagram showing the relationship between crank angle and injection pressure, and Fig. 4 is a diagram showing the relationship between crank angle and injection rate. FIG. 1... Injection pump section, 2... Injector, 6... Nozzle,
6a... Nozzle tip, 7... Needle, 8... Pressure chamber,
9... Oil reservoir, 10... Sub-injection hole, 11... Main injection hole,
14...Communication hole.
Claims (1)
噴射器が一体になつた燃料噴射装置において、上
記ノズルを、圧力室を有するノズルにすると共に
その先端にプリリフトで開口する副噴射孔と全リ
フトで開口する主噴射孔とを設け、上記ニードル
にプリリフト以下で油溜りと圧力室を連通する連
絡孔を形成したことを特徴とする燃料噴射装置。 In a fuel injection device in which an injection pump part and an injector having a needle in the nozzle are integrated, the nozzle is made into a nozzle having a pressure chamber, and a sub-injection hole is opened at the tip with a pre-lift, and a sub-injection hole is opened with a full lift. A fuel injection device characterized in that a main injection hole is provided in the needle, and a communication hole is formed in the needle below the prelift to communicate an oil reservoir and a pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905987U JPS63126554U (en) | 1987-02-12 | 1987-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905987U JPS63126554U (en) | 1987-02-12 | 1987-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126554U true JPS63126554U (en) | 1988-08-18 |
Family
ID=30813312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1905987U Pending JPS63126554U (en) | 1987-02-12 | 1987-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016205370A (en) * | 2015-04-22 | 2016-12-08 | エムエーエヌ・ディーゼル・アンド・ターボ・フィリアル・アフ・エムエーエヌ・ディーゼル・アンド・ターボ・エスイー・ティスクランド | Fuel valve for large two-cycle self-igniting internal combustion engine |
-
1987
- 1987-02-12 JP JP1905987U patent/JPS63126554U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016205370A (en) * | 2015-04-22 | 2016-12-08 | エムエーエヌ・ディーゼル・アンド・ターボ・フィリアル・アフ・エムエーエヌ・ディーゼル・アンド・ターボ・エスイー・ティスクランド | Fuel valve for large two-cycle self-igniting internal combustion engine |
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