JPS6264867U - - Google Patents
Info
- Publication number
- JPS6264867U JPS6264867U JP15526185U JP15526185U JPS6264867U JP S6264867 U JPS6264867 U JP S6264867U JP 15526185 U JP15526185 U JP 15526185U JP 15526185 U JP15526185 U JP 15526185U JP S6264867 U JPS6264867 U JP S6264867U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- needle valve
- fuel injection
- passage
- nozzle body
- 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 claims description 17
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は第３図の燃料噴射ノズルの先端部分の
拡大図、第２図は第１図の燃料噴射ノズルのニー
ドル弁の正面図、第３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、８４……シート部、８６
……テーパー部、８８……段部、９４……連通路
。
Fig. 1 is an enlarged view of the tip of the fuel injection nozzle shown in Fig. 3, Fig. 2 is a front view of the needle valve of the fuel injection nozzle shown in Fig. 1, and Fig. 3 is a composite fuel including the fuel injection nozzle according to the present invention. FIG. 3 is a configuration diagram of a supply device. 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, 84...Seat portion, 86
...Tapered portion, 88...Stepped portion, 94...Communication path.
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、さらに前記ニードル弁に前
記テーパー部に隣接した位置で段部を設けるとと
もに、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
通路とを連結し、該連通路が前記段部に開口され
る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.
Further, a stepped portion is provided in the needle valve at a position adjacent to the tapered portion, and a communication passage extending laterally within the needle valve is formed to connect the first fuel passage and the first fuel passage. A fuel injection nozzle, characterized in that two fuel passages are connected to each other, and the communication passage is opened in the stepped portion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15526185U JPH0355812Y2 (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 |
|---|---|---|---|
| JP15526185U JPH0355812Y2 (en) | 1985-10-12 | 1985-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6264867U true JPS6264867U (en) | 1987-04-22 |
| JPH0355812Y2 JPH0355812Y2 (en) | 1991-12-12 |
Family
ID=31075807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15526185U Expired JPH0355812Y2 (en) | 1985-05-21 | 1985-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355812Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064051A (en) * | 2006-09-08 | 2008-03-21 | Toyota Motor Corp | Fuel injection valve for internal combustion engine with oil-repellent coating |
| JP2010185380A (en) * | 2009-02-12 | 2010-08-26 | Nippon Soken Inc | Fuel injection device for internal combustion engine |
-
1985
- 1985-10-12 JP JP15526185U patent/JPH0355812Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064051A (en) * | 2006-09-08 | 2008-03-21 | Toyota Motor Corp | Fuel injection valve for internal combustion engine with oil-repellent coating |
| JP2010185380A (en) * | 2009-02-12 | 2010-08-26 | Nippon Soken Inc | Fuel injection device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355812Y2 (en) | 1991-12-12 |