JP2007146828A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2007146828A JP2007146828A JP2006219631A JP2006219631A JP2007146828A JP 2007146828 A JP2007146828 A JP 2007146828A JP 2006219631 A JP2006219631 A JP 2006219631A JP 2006219631 A JP2006219631 A JP 2006219631A JP 2007146828 A JP2007146828 A JP 2007146828A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel
- fuel injection
- valve seat
- valve 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.)
- Pending
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1853—Orifice plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1893—Details of valve member ends not covered by groups F02M61/1866 - F02M61/188
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
- F02M51/0675—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the valve body having cylindrical guiding or metering portions, e.g. with fuel passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
- F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
Abstract
【解決手段】筒体3に収納され弁座9fに離着座可能な弁体6と、この弁体6において筒体3の軸芯に対して放射状に設けられると共に面方向が筒体3の軸方向に沿って形成され筒体3の内周面を摺動する複数の板部7pと、板部7p間を通過した燃料の流れ方向を筒体3の軸芯に向けて屈曲させて燃料を噴射孔9eへ案内する案内部9と、を備える。
【選択図】図3
Description
1B 燃料噴射弁
3 筒体
6 弁体
6B 弁体
6C 弁体
6D 弁体
7p 板部
7Bp 板部
9 ノズル体(案内部)
9A ノズル体(案内部)
9e 噴射孔
9f 弁座
24 駆動部
30C 案内部
41Ca 弁座
Claims (4)
- 内部に燃料が流通する筒体と、
この筒体の下流側端部に設けられた弁座と、
前記筒体の軸方向に沿って前記筒体に摺動可能に収納され前記弁座に離着座可能な弁体と、
前記弁体において前記筒体の軸芯に対して放射状に設けられると共に面方向が前記筒体の軸方向に沿って形成され、前記筒体の内周面を摺動する複数の板部と、
前記弁体を前記弁座に離着座させる駆動部と、
前記弁座よりも前記筒体の内側に位置し前記弁体と前記弁座との間を通過した燃料を噴射する噴射孔、を有するノズル体と、
前記板部間を通過した燃料の流れ方向を前記筒体の軸芯に向けて屈曲させて燃料を前記噴射孔へ案内する案内部と、
を備える燃料噴射弁。 - 前記ノズル体は、前記噴射孔と前記弁座とが共に形成された単一部材である請求項1に記載の燃料噴射弁。
- 前記ノズル体における前記弁座が形成された部分は、前記ノズル体における前記噴射孔が形成された部分よりも肉厚に形成されている請求項2に記載の燃料噴射弁。
- 前記噴射孔は、テーパ状に形成されている請求項1ないし3のいずれか一項に記載の燃料噴射弁。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006219631A JP2007146828A (ja) | 2005-10-28 | 2006-08-11 | 燃料噴射弁 |
US11/585,847 US7370816B2 (en) | 2005-10-28 | 2006-10-25 | Fuel injector |
DE102006050312A DE102006050312A1 (de) | 2005-10-28 | 2006-10-25 | Brennstoffinjektor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005315172 | 2005-10-28 | ||
JP2006219631A JP2007146828A (ja) | 2005-10-28 | 2006-08-11 | 燃料噴射弁 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007146828A true JP2007146828A (ja) | 2007-06-14 |
Family
ID=37913039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006219631A Pending JP2007146828A (ja) | 2005-10-28 | 2006-08-11 | 燃料噴射弁 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7370816B2 (ja) |
JP (1) | JP2007146828A (ja) |
DE (1) | DE102006050312A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013224640A (ja) * | 2012-04-23 | 2013-10-31 | Mazda Motor Corp | エンジンの燃料噴射弁 |
JP2014009629A (ja) * | 2012-06-29 | 2014-01-20 | Mazda Motor Corp | 直噴エンジンの燃料噴射弁 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602006003520D1 (de) * | 2006-01-24 | 2008-12-18 | Continental Automotive Gmbh | Ventilanordnung für ein Einspritzventil und Einspritzventil |
NL1037570C2 (en) * | 2009-12-18 | 2011-06-21 | Heinmade B V | A device for dispensing a substance. |
CN102777300B (zh) | 2011-05-12 | 2015-04-01 | 株式会社电装 | 阀装置及使用其的高压泵 |
DE102011085974A1 (de) * | 2011-11-09 | 2013-05-16 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP6673797B2 (ja) * | 2016-10-06 | 2020-03-25 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
DE102016222908A1 (de) * | 2016-11-21 | 2018-05-24 | Robert Bosch Gmbh | Injektor mit dreiteiligem Ventilsitz |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04311671A (ja) * | 1991-04-08 | 1992-11-04 | Zexel Corp | 燃料噴射弁 |
JPH0763140A (ja) * | 1993-08-27 | 1995-03-07 | Toyota Motor Corp | 燃料噴射弁の噴射孔の形成方法 |
JPH1113597A (ja) * | 1997-06-20 | 1999-01-19 | Toyota Motor Corp | 内燃機関の燃料噴射弁 |
JP2002054532A (ja) * | 2000-08-10 | 2002-02-20 | Nippon Soken Inc | 燃料噴射弁 |
JP2002221128A (ja) * | 2001-01-25 | 2002-08-09 | Nippon Soken Inc | 噴射弁 |
JP2004100500A (ja) * | 2002-09-06 | 2004-04-02 | Hitachi Ltd | 燃料噴射弁およびそれを搭載した内燃機関 |
JP2004218634A (ja) * | 2002-12-27 | 2004-08-05 | Denso Corp | 噴孔部材およびその製造方法 |
JP2005139987A (ja) * | 2003-11-06 | 2005-06-02 | Nissan Motor Co Ltd | 直噴式内燃機関及び多孔式燃料噴射弁 |
JP2005220774A (ja) * | 2004-02-04 | 2005-08-18 | Hitachi Ltd | オリフィスを有する燃料噴射弁及びその製造方法 |
JP2006207439A (ja) * | 2005-01-27 | 2006-08-10 | Keihin Corp | 燃料噴射弁 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3927390A1 (de) * | 1989-08-19 | 1991-02-21 | Bosch Gmbh Robert | Kraftstoffeinspritzventil |
JP2547865B2 (ja) | 1989-10-12 | 1996-10-23 | 株式会社ユニシアジェックス | 電磁式燃料噴射弁 |
JP2522352Y2 (ja) | 1990-02-22 | 1997-01-16 | 株式会社ユニシアジェックス | 燃料噴射弁 |
DE19522284B4 (de) * | 1995-06-20 | 2007-05-10 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE19653832A1 (de) * | 1996-12-21 | 1998-06-25 | Bosch Gmbh Robert | Ventil mit kombiniertem Ventilsitzkörper und Spritzlochscheibe |
JP3745232B2 (ja) * | 2001-01-17 | 2006-02-15 | 愛三工業株式会社 | 流体噴射ノズルとその流体噴射ノズルを備えた流体噴射弁 |
DE10123859B4 (de) * | 2001-05-16 | 2007-06-21 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP2003254190A (ja) * | 2002-03-04 | 2003-09-10 | Aisan Ind Co Ltd | オリフィスプレート |
JP4099075B2 (ja) * | 2002-05-30 | 2008-06-11 | 株式会社日立製作所 | 燃料噴射弁 |
JP4154317B2 (ja) * | 2003-04-25 | 2008-09-24 | トヨタ自動車株式会社 | 燃料噴射弁 |
JP4147405B2 (ja) * | 2003-09-25 | 2008-09-10 | 株式会社デンソー | 燃料噴射弁 |
JP2005155547A (ja) | 2003-11-27 | 2005-06-16 | Mitsubishi Electric Corp | 燃料噴射弁 |
US7093776B2 (en) * | 2004-06-29 | 2006-08-22 | Delphi Technologies, Inc | Fuel injector nozzle atomizer having individual passages for inward directed accelerated cross-flow |
JP2006214292A (ja) * | 2005-02-01 | 2006-08-17 | Hitachi Ltd | 燃料噴射弁 |
-
2006
- 2006-08-11 JP JP2006219631A patent/JP2007146828A/ja active Pending
- 2006-10-25 DE DE102006050312A patent/DE102006050312A1/de not_active Withdrawn
- 2006-10-25 US US11/585,847 patent/US7370816B2/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04311671A (ja) * | 1991-04-08 | 1992-11-04 | Zexel Corp | 燃料噴射弁 |
JPH0763140A (ja) * | 1993-08-27 | 1995-03-07 | Toyota Motor Corp | 燃料噴射弁の噴射孔の形成方法 |
JPH1113597A (ja) * | 1997-06-20 | 1999-01-19 | Toyota Motor Corp | 内燃機関の燃料噴射弁 |
JP2002054532A (ja) * | 2000-08-10 | 2002-02-20 | Nippon Soken Inc | 燃料噴射弁 |
JP2002221128A (ja) * | 2001-01-25 | 2002-08-09 | Nippon Soken Inc | 噴射弁 |
JP2004100500A (ja) * | 2002-09-06 | 2004-04-02 | Hitachi Ltd | 燃料噴射弁およびそれを搭載した内燃機関 |
JP2004218634A (ja) * | 2002-12-27 | 2004-08-05 | Denso Corp | 噴孔部材およびその製造方法 |
JP2005139987A (ja) * | 2003-11-06 | 2005-06-02 | Nissan Motor Co Ltd | 直噴式内燃機関及び多孔式燃料噴射弁 |
JP2005220774A (ja) * | 2004-02-04 | 2005-08-18 | Hitachi Ltd | オリフィスを有する燃料噴射弁及びその製造方法 |
JP2006207439A (ja) * | 2005-01-27 | 2006-08-10 | Keihin Corp | 燃料噴射弁 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013224640A (ja) * | 2012-04-23 | 2013-10-31 | Mazda Motor Corp | エンジンの燃料噴射弁 |
JP2014009629A (ja) * | 2012-06-29 | 2014-01-20 | Mazda Motor Corp | 直噴エンジンの燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
US20070095949A1 (en) | 2007-05-03 |
US7370816B2 (en) | 2008-05-13 |
DE102006050312A1 (de) | 2007-05-03 |
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