JP2010138894A - 内燃機関用燃料噴射弁 - Google Patents
内燃機関用燃料噴射弁 Download PDFInfo
- Publication number
- JP2010138894A JP2010138894A JP2009209288A JP2009209288A JP2010138894A JP 2010138894 A JP2010138894 A JP 2010138894A JP 2009209288 A JP2009209288 A JP 2009209288A JP 2009209288 A JP2009209288 A JP 2009209288A JP 2010138894 A JP2010138894 A JP 2010138894A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- bore
- needle
- injection valve
- fuel injection
- 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
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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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/06—Other fuel injectors peculiar thereto
-
- 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
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/03—Reducing weight
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】内燃機関のための燃料噴射弁が、1つのボア(2)が設けられた1つのノズル本体(1)を備え、1つのノズルニードル(3)をさらに備え、ノズルニードルはノズル本体のボア内に軸方向に移動可能に配置されており、ノズルニードルの半径方向外径は、ノズル本体のボアの半径方向内径より小さく、さらに、1つのニードルガイド本体(4)を備え、ニードルガイド本体は、ノズル本体のボア内に配置されていて、1つのボア(5)が設けられており、ボア内にはノズルニードルが軸方向に移動可能に配置されており、ノズルニードルの半径方向外径は、ニードルガイド本体のボアの半径方向内径に略相当し、さらに、1つの燃料供給管(6)を備え、燃料供給管はニードルガイド本体内に形成されていて、ノズルニードルとノズル本体との間の空間に開口している。
【選択図】図1
Description
2 ボア
3 ノズルニードル
4 ニードルガイド本体
5 ボア
6 燃料供給管
Claims (4)
- 内燃機関のための燃料噴射弁であって、
1つのボア(2)が設けられた1つのノズル本体(1)を備え、
さらに、1つのノズルニードル(3)を備え、該ノズルニードル(3)は前記ノズル本体(1)の前記ボア(2)内に軸方向に移動可能に配置されており、該ノズルニードル(3)の半径方向外径は、前記ノズル本体(1)の前記ボア(2)の半径方向内径より小さく、
さらに、1つのニードルガイド本体(4)を備え、該ニードルガイド本体(4)は、前記ノズル本体(1)の前記ボア(2)内に配置されていて、1つのボア(5)が設けられており、該ボア(5)内には前記ノズルニードル(3)が軸方向に移動可能に配置されており、前記ノズルニードル(3)の半径方向外径が、該ニードルガイド本体(4)の該ボア(5)の半径方向内径に実質的に相当し、
さらに、1つの燃料供給管(6)を備え、該燃料供給管(6)は前記ニードルガイド本体(4)内に形成されていて、前記ノズルニードル(3)と前記ノズル本体(1)との間の空間に開口している、ことを特徴とする燃料噴射弁。 - 前記燃料供給管(6)が、前記ニードルガイド本体(4)内を略軸方向に通っていることを特徴とする、請求項1に記載の燃料噴射弁。
- 前記ニードルガイド本体(4)が、圧入により前記ノズル本体(1)の前記ボア(2)内にセットされていることを特徴とする、請求項1または2に記載の燃料噴射弁。
- 前記ニードルガイド本体(4)の前記ボア(5)が、前記ノズル本体(1)の前記ボア(2)に対して略同軸に構成されていることを特徴とする、請求項1から3のいずれか一項に記載の燃料噴射弁。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008061400A DE102008061400A1 (de) | 2008-12-10 | 2008-12-10 | Kraftstoff-Einspritzventil für eine Brennkraftmaschine |
DE102008061400.9 | 2008-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010138894A true JP2010138894A (ja) | 2010-06-24 |
JP5027194B2 JP5027194B2 (ja) | 2012-09-19 |
Family
ID=41263503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009209288A Expired - Fee Related JP5027194B2 (ja) | 2008-12-10 | 2009-09-10 | 内燃機関用燃料噴射弁 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP5027194B2 (ja) |
KR (1) | KR20100067034A (ja) |
CN (1) | CN101749156B (ja) |
DE (1) | DE102008061400A1 (ja) |
FI (1) | FI20096088A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013140835A1 (ja) * | 2012-03-21 | 2013-09-26 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533679B (zh) * | 2014-12-30 | 2016-09-07 | 南岳电控(衡阳)工业技术股份有限公司 | 一种喷油控制阀及使用此喷油控制阀的高压共轨燃油喷射系统 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1334939A (en) * | 1971-04-13 | 1973-10-24 | Barkas Werke Ifa Kom Fuer Kraf | Fuel injection nozzles for internal combustion engines |
JPS60209664A (ja) * | 1984-03-05 | 1985-10-22 | ゲールハルト・メーゼニツヒ | 電磁噴射弁 |
JPH0476267A (ja) * | 1990-07-17 | 1992-03-11 | Toyota Motor Corp | フュエルインジェクタ |
JPH08296531A (ja) * | 1995-04-28 | 1996-11-12 | Nippondenso Co Ltd | 燃料噴射弁 |
WO2001029397A1 (de) * | 1999-10-19 | 2001-04-26 | Robert Bosch Gmbh | Injektor für ein common-rail-einspritzsystem für brennkraftmaschinen mit teilweisem kraftausgleich der düsennadel |
WO2003031807A1 (de) * | 2001-10-05 | 2003-04-17 | Siemens Aktiengesellschaft | Kraftstoffeinspritzventil |
WO2004111430A1 (de) * | 2003-06-10 | 2004-12-23 | Robert Bosch Gmbh | Einspritzdüse für brennkraftmaschinen |
JP2005201274A (ja) * | 2004-01-16 | 2005-07-28 | Man B & W Diesel Gmbh | 燃料噴射ノズル |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE442765C (de) * | 1924-02-28 | 1927-04-11 | Fried Krupp Akt Ges | Brennstoffeinspritzvorrichtung fuer Verbrennungskraftmaschinen mit unmittelbarer Einspritzung des Brennstoffs durch Brennstoffpumpe und Brennstoffventil |
GB8318635D0 (en) * | 1983-07-09 | 1983-08-10 | Lucas Ind Plc | Fuel injection nozzles |
US5088467A (en) * | 1984-03-05 | 1992-02-18 | Coltec Industries Inc | Electromagnetic injection valve |
GB8628600D0 (en) * | 1986-11-29 | 1987-01-07 | Lucas Ind Plc | Fuel injection nozzles |
US5853124A (en) * | 1997-05-05 | 1998-12-29 | Servojet Products International | Bottom seated pintle nozzle |
DE19808660A1 (de) | 1998-03-02 | 1999-10-07 | Siemens Ag | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE19929881A1 (de) * | 1999-06-29 | 2001-01-04 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE10115215A1 (de) * | 2001-03-28 | 2002-10-10 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE10241360A1 (de) * | 2002-09-06 | 2004-03-18 | Siemens Ag | Einspritzvorrichtung zum Einspritzen von Kraftstoff |
DE10346222A1 (de) * | 2003-09-23 | 2005-04-14 | Robert Bosch Gmbh | Kraftstoff-Einspritzvorrichtung, insbesondere für eine Brennkraftmaschine mit Kraftstoff-Direkteinspritzung |
DE102004032181A1 (de) * | 2004-07-02 | 2006-01-19 | Robert Bosch Gmbh | Kraftstoffeinspritzventil |
DE102004060552A1 (de) * | 2004-12-16 | 2006-06-22 | Robert Bosch Gmbh | Kraftstoffeinspritzventil für eine Brennkraftmaschine |
DE102005060655A1 (de) | 2005-12-19 | 2007-06-21 | Robert Bosch Gmbh | Kraftstoffeinspritzventil für Brennkraftmaschinen |
-
2008
- 2008-12-10 DE DE102008061400A patent/DE102008061400A1/de not_active Ceased
-
2009
- 2009-08-18 KR KR1020090076327A patent/KR20100067034A/ko not_active Application Discontinuation
- 2009-09-10 JP JP2009209288A patent/JP5027194B2/ja not_active Expired - Fee Related
- 2009-10-22 FI FI20096088A patent/FI20096088A/fi not_active Application Discontinuation
- 2009-12-10 CN CN2009102582400A patent/CN101749156B/zh not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1334939A (en) * | 1971-04-13 | 1973-10-24 | Barkas Werke Ifa Kom Fuer Kraf | Fuel injection nozzles for internal combustion engines |
JPS60209664A (ja) * | 1984-03-05 | 1985-10-22 | ゲールハルト・メーゼニツヒ | 電磁噴射弁 |
JPH0476267A (ja) * | 1990-07-17 | 1992-03-11 | Toyota Motor Corp | フュエルインジェクタ |
JPH08296531A (ja) * | 1995-04-28 | 1996-11-12 | Nippondenso Co Ltd | 燃料噴射弁 |
WO2001029397A1 (de) * | 1999-10-19 | 2001-04-26 | Robert Bosch Gmbh | Injektor für ein common-rail-einspritzsystem für brennkraftmaschinen mit teilweisem kraftausgleich der düsennadel |
WO2003031807A1 (de) * | 2001-10-05 | 2003-04-17 | Siemens Aktiengesellschaft | Kraftstoffeinspritzventil |
JP2005504924A (ja) * | 2001-10-05 | 2005-02-17 | シーメンス アクチエンゲゼルシヤフト | 燃料噴射弁 |
WO2004111430A1 (de) * | 2003-06-10 | 2004-12-23 | Robert Bosch Gmbh | Einspritzdüse für brennkraftmaschinen |
JP2005201274A (ja) * | 2004-01-16 | 2005-07-28 | Man B & W Diesel Gmbh | 燃料噴射ノズル |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013140835A1 (ja) * | 2012-03-21 | 2013-09-26 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
JP2013194615A (ja) * | 2012-03-21 | 2013-09-30 | Hitachi Automotive Systems Ltd | 燃料噴射弁 |
Also Published As
Publication number | Publication date |
---|---|
KR20100067034A (ko) | 2010-06-18 |
JP5027194B2 (ja) | 2012-09-19 |
FI20096088A (fi) | 2010-06-11 |
CN101749156A (zh) | 2010-06-23 |
FI20096088A0 (fi) | 2009-10-22 |
CN101749156B (zh) | 2013-03-27 |
DE102008061400A1 (de) | 2010-06-17 |
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