JPS6264866U - - Google Patents
Info
- Publication number
- JPS6264866U JPS6264866U JP15525985U JP15525985U JPS6264866U JP S6264866 U JPS6264866 U JP S6264866U JP 15525985 U JP15525985 U JP 15525985U JP 15525985 U JP15525985 U JP 15525985U JP S6264866 U JPS6264866 U JP S6264866U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- needle valve
- passage
- fuel injection
- fuel passage
- 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 16
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
Description
第１図は第２図の燃料噴射ノズルの先端部分の
拡大図、第２図は本考案による燃料噴射ノズルを
含む複燃料供給装置の構成図である。
１０……燃料噴射ポンプ、１２……圧送器、１
４……燃料噴射ノズル、７０……ノズル本体、７
２……ニードル弁、７４……第１の燃料通路、７
８……第２の燃料通路、９０……連通路、９２…
…丸み。
FIG. 1 is an enlarged view of the tip portion of the fuel injection nozzle shown in FIG. 2, and FIG. 2 is a configuration diagram of a dual fuel supply device including the fuel injection nozzle according to the present invention. 10... fuel injection pump, 12... pressure feeder, 1
4... Fuel injection nozzle, 70... Nozzle body, 7
2... Needle valve, 74... First fuel passage, 7
8...Second fuel passage, 90...Communication passage, 92...
...Roundness.
Claims (1)
形成されたシート部を有するノズル本体と、該ノ
ズル本体に挿入され且つ前記噴射口の開閉のため
に前記シート部と協働するテーパー部を有するニ
ードル弁とを具備する燃料噴射ノズルにおいて、
前記ノズル本体に沿つて第１の燃料通路を形成し
、前記ニードル弁内をその軸線方向に延びる第２
の燃料通路を形成し、前記ニードル弁内を横方向
に延びる連通路を形成して前記第１の燃料通路と
前記第２の燃料通路を連結し、該連通路の前記第
１の燃料通路への開口部にニードル弁先端側へ丸
みを付けたことを特徴とする燃料噴射ノズル。 A nozzle body having a fuel injection port and a seat portion formed in a conical shape around the fuel injection port, and a tapered portion that is inserted into the nozzle body and cooperates with the seat portion to open and close the injection port. In a fuel injection nozzle comprising a needle valve,
A first fuel passage is formed along the nozzle body, and a second fuel passage extends within the needle valve in the axial direction thereof.
forming a communication passage extending laterally within the needle valve to connect the first fuel passage and the second fuel passage, and connecting the communication passage to the first fuel passage; A fuel injection nozzle characterized by having an opening rounded toward the tip of the needle valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15525985U JPS6264866U (en) | 1985-10-12 | 1985-10-12 | |
| US06/860,584 US4693227A (en) | 1985-05-21 | 1986-05-07 | Multi-fuel injection system for an internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15525985U JPS6264866U (en) | 1985-10-12 | 1985-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6264866U true JPS6264866U (en) | 1987-04-22 |
Family
ID=31075803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15525985U Pending JPS6264866U (en) | 1985-05-21 | 1985-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6264866U (en) |
-
1985
- 1985-10-12 JP JP15525985U patent/JPS6264866U/ja active Pending