JPS61107971U - - Google Patents
Info
- Publication number
- JPS61107971U JPS61107971U JP19229384U JP19229384U JPS61107971U JP S61107971 U JPS61107971 U JP S61107971U JP 19229384 U JP19229384 U JP 19229384U JP 19229384 U JP19229384 U JP 19229384U JP S61107971 U JPS61107971 U JP S61107971U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- valve
- bypass passage
- conical portion
- outside
- 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 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案を通常のデイーゼルエンジンに
適用した時の例を示す部分縦断面図、第２図は他
の実施例を示す部分縦断面図、である。
１……燃料噴射弁、２……ノズルホルダ、３…
…デイスタンスピース、４……ノズルボデイ、５
……リテーニングナツト、６……ニードル、７…
…プレツシヤピン、８……スプリング、９……先
端部、１０……シート部、１１……噴口、２２，
１２，１３，１５，１６，１７，１８……通路、
１４……受圧室、１９，２０，２３……環状通路
、２１……スプリング室、２４……段部、３０…
…燃料タンク、３１……フイルタ、３２……燃料
噴射ポンプ、３３……エンジン、３４……駆動軸
、３５，３６，３７，３８……パイプ、５０……
燃料噴射弁、５１……ニードル、５２，５４，５
８……通路、５３……段部、５５……チエツクボ
ール、５６……スプリング、５７……スプリング
室、５９……スプリング室、６０……ノズルボデ
イ。
FIG. 1 is a partial longitudinal cross-sectional view showing an example of the application of the present invention to a normal diesel engine, and FIG. 2 is a partial vertical cross-sectional view showing another embodiment. 1...Fuel injection valve, 2...Nozzle holder, 3...
...Distance piece, 4...Nozzle body, 5
...Retaining nut, 6...Needle, 7...
... Pressure pin, 8 ... Spring, 9 ... Tip part, 10 ... Seat part, 11 ... Spout, 22,
12, 13, 15, 16, 17, 18...Aisle,
14... Pressure receiving chamber, 19, 20, 23... Annular passage, 21... Spring chamber, 24... Step portion, 30...
...Fuel tank, 31...Filter, 32...Fuel injection pump, 33...Engine, 34...Drive shaft, 35, 36, 37, 38...Pipe, 50...
Fuel injection valve, 51... Needle, 52, 54, 5
8... passage, 53... step, 55... check ball, 56... spring, 57... spring chamber, 59... spring chamber, 60... nozzle body.
Claims (1)
ドル弁先端の円錐部とこれに略同一形状で当接す
るノズルボデイ内周の円錐部とによつて形成され
るシート部上に外部と連通するバイパス通路を形
成した燃料噴射弁と、を備えた燃料噴射装置の燃
料噴射弁において、前記バイパス通路に、燃料噴
射サイクル中にのみ外部とバイパス通路が連通す
る通路開閉手段を設けたことを特徴とする燃料噴
射弁。 A bypass passage communicating with the outside is provided on a seat portion formed by a fuel injection pump that delivers fuel at high pressure, a conical portion at the tip of the needle valve, and a conical portion on the inner periphery of the nozzle body that abuts the conical portion in approximately the same shape. In the fuel injection valve of the fuel injection device, the fuel injection valve is characterized in that the bypass passage is provided with passage opening/closing means for communicating the bypass passage with the outside only during the fuel injection cycle. valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984192293U JPH0236940Y2 (en) | 1984-12-20 | 1984-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984192293U JPH0236940Y2 (en) | 1984-12-20 | 1984-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107971U true JPS61107971U (en) | 1986-07-09 |
| JPH0236940Y2 JPH0236940Y2 (en) | 1990-10-05 |
Family
ID=30749717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984192293U Expired JPH0236940Y2 (en) | 1984-12-20 | 1984-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236940Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582366U (en) * | 1981-06-29 | 1983-01-08 | いすゞ自動車株式会社 | fuel injection nozzle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582366B2 (en) * | 1975-08-23 | 1983-01-17 | カブシキガイシヤ ホリバセイサクシヨ | kenshiyutsuki |
-
1984
- 1984-12-20 JP JP1984192293U patent/JPH0236940Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582366U (en) * | 1981-06-29 | 1983-01-08 | いすゞ自動車株式会社 | fuel injection nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0236940Y2 (en) | 1990-10-05 |