JP5217402B2 - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP5217402B2 JP5217402B2 JP2007318784A JP2007318784A JP5217402B2 JP 5217402 B2 JP5217402 B2 JP 5217402B2 JP 2007318784 A JP2007318784 A JP 2007318784A JP 2007318784 A JP2007318784 A JP 2007318784A JP 5217402 B2 JP5217402 B2 JP 5217402B2
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- Prior art keywords
- diameter
- hole
- small
- injection
- spray
- Prior art date
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Description
2、22 ノズルボディ
3 第1ニードル
4 第2ニードル
5、25 大径噴孔
6、26 小径噴孔
10 燃焼室壁面
11、31 大噴霧
12、32 小噴霧
Claims (2)
- 複数の放射線上にそれぞれ位置する大径噴孔、及び前記大径噴孔が形成する噴霧よりも到達距離が短い噴霧を形成する小径噴孔が穿設されたノズルボディを備え、
前記大径噴孔のそれぞれの配置位置は、前記ノズルボディの中心軸が延びる方向である軸方向と直交する平面上で等分された角度を隔てて前記ノズルボディの中心軸から描かれる放射線上であり、
前記大径噴孔と前記小径噴孔との位置関係は、前記小径噴孔から噴射された噴霧が前記大径噴孔から噴射された噴霧に引き込まれる位置関係であるとともに、
1つの前記大径噴孔の両側のそれぞれに1ずつ位置する前記小径噴孔は、前記ノズルボディの先端側から見た状態で、前記ノズルボディの中心軸が延びる方向である軸方向と直交する平面上で前記小径噴孔の数に等分された角度θ1よりも狭い角度θ2を隔てて前記ノズルボディの中心軸から描かれる放射線上に配置され、
前記大径噴孔と前記小径噴孔とは、互いに独立して噴射を行うことを特徴とする燃料噴射弁。 - 請求項1記載の燃料噴射弁において、
前記大径噴孔の両側における前記小径噴孔のそれぞれが位置し、前記ノズルボディの中心軸から描かれる放射線が前記大径噴孔の噴射方向を挟むことを特徴とする燃料噴射弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007318784A JP5217402B2 (ja) | 2007-12-10 | 2007-12-10 | 燃料噴射弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007318784A JP5217402B2 (ja) | 2007-12-10 | 2007-12-10 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009138710A JP2009138710A (ja) | 2009-06-25 |
JP5217402B2 true JP5217402B2 (ja) | 2013-06-19 |
Family
ID=40869556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007318784A Expired - Fee Related JP5217402B2 (ja) | 2007-12-10 | 2007-12-10 | 燃料噴射弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5217402B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6213285B2 (ja) * | 2014-02-13 | 2017-10-18 | 株式会社デンソー | 燃料噴射弁 |
CN114688527A (zh) * | 2020-12-31 | 2022-07-01 | 大连理工大学 | 一种具有交叉喷孔结构的气体辅助雾化喷嘴 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50134523U (ja) * | 1974-04-22 | 1975-11-06 | ||
JPH0849567A (ja) * | 1994-08-03 | 1996-02-20 | Isuzu Motors Ltd | 燃料噴射装置 |
JP3164023B2 (ja) * | 1997-06-25 | 2001-05-08 | トヨタ自動車株式会社 | 内燃機関の燃料噴射弁 |
JP4075511B2 (ja) * | 2002-08-07 | 2008-04-16 | トヨタ自動車株式会社 | 内燃機関の燃料噴射装置 |
JP4276958B2 (ja) * | 2004-01-22 | 2009-06-10 | 株式会社日立製作所 | 燃料噴射弁及び燃料噴射方法 |
-
2007
- 2007-12-10 JP JP2007318784A patent/JP5217402B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2009138710A (ja) | 2009-06-25 |
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