JPS63174573U - - Google Patents
Info
- Publication number
- JPS63174573U JPS63174573U JP15343886U JP15343886U JPS63174573U JP S63174573 U JPS63174573 U JP S63174573U JP 15343886 U JP15343886 U JP 15343886U JP 15343886 U JP15343886 U JP 15343886U JP S63174573 U JPS63174573 U JP S63174573U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel supply
- nozzle
- different directions
- supply passages
- 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 17
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
Description
第１図は本考案の一実施例において、ノズルボ
デーの第１の燃料供給通路Ａに燃料が供給された
場合の燃料流の態様を示した断面図、第２図は同
上のノズルボデーにおいて第２の燃料供給通路Ｂ
に燃料が供給された場合の燃料流の態様を示した
断面図、第３図は第１図の場合の噴孔への燃料流
入態様を示した展開図、第４図は第２図の場合の
噴孔への燃料流入態様を示した展開図、第５図は
第１図の―線に沿い矢印方向に視た噴霧パタ
ーンを含む断面図、第６図は第２図の―線に
沿い矢印方向に視た噴霧パターンを含む断面図、
第７図は第１図及び第２図に示したノズルボデー
を含む燃料噴射装置全体の概略構成図、第８図は
第７図におけるコントローラ２６の作動態様を示
す特性図である。
１０…ノズルボデー、１２…ニードルバルブ、
１４…ノズルスプリング、１６ａ及び１６ｂ…噴
孔、２２…切換弁、２４…燃料供給源、２６…コ
ントローラ、Ａ…第１燃料供給通路、Ｂ…第２燃
料供給通路。
FIG. 1 is a sectional view showing the mode of fuel flow when fuel is supplied to the first fuel supply passage A of the nozzle body in one embodiment of the present invention, and FIG. Fuel supply passage B
3 is a cross-sectional view showing the manner of fuel flow when fuel is supplied to the nozzle hole, FIG. 3 is a developed view showing the manner of fuel flowing into the nozzle hole in the case of FIG. 1, and FIG. 4 is the case of FIG. 2. Fig. 5 is a cross-sectional view including the spray pattern taken along the - line in Fig. 1 in the direction of the arrow, and Fig. 6 is a cross-sectional view along the - line in Fig. 2 showing how fuel flows into the nozzle hole. A cross-sectional view including the spray pattern viewed in the direction of the arrow,
FIG. 7 is a schematic diagram of the entire fuel injection system including the nozzle bodies shown in FIGS. 1 and 2, and FIG. 8 is a characteristic diagram showing the operating mode of the controller 26 in FIG. 7. 10... Nozzle body, 12... Needle valve,
14... Nozzle spring, 16a and 16b... Nozzle hole, 22... Switching valve, 24... Fuel supply source, 26... Controller, A... First fuel supply passage, B... Second fuel supply passage.
Claims (1)
の長孔状噴孔を設けると共に、上記噴孔に対する
燃料の流入方向が異る複数の燃料供給通路を設け
たホール型ノズルと、エンジンの運転状態に応じ
て上記複数の燃料供給通路の何れかを燃料供給源
に選択的に連通させる切換弁とを具えてなること
を特徴とする燃料噴射装置。 A hole-type nozzle in which a nozzle body is provided with a plurality of elongated nozzle holes whose long axes have different directions, and a plurality of fuel supply passages in which fuel flows into the nozzle holes in different directions; A fuel injection device comprising: a switching valve that selectively connects one of the plurality of fuel supply passages to a fuel supply source depending on the state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15343886U JPS63174573U (en) | 1986-10-06 | 1986-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15343886U JPS63174573U (en) | 1986-10-06 | 1986-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63174573U true JPS63174573U (en) | 1988-11-11 |
Family
ID=31072320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15343886U Pending JPS63174573U (en) | 1986-10-06 | 1986-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63174573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011001864A (en) * | 2009-06-18 | 2011-01-06 | Hitachi Automotive Systems Ltd | Fuel injection valve |
-
1986
- 1986-10-06 JP JP15343886U patent/JPS63174573U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011001864A (en) * | 2009-06-18 | 2011-01-06 | Hitachi Automotive Systems Ltd | Fuel injection valve |