EP0861371B1 - Brennstoffeinspritzventil mit integrierter zündkerze - Google Patents
Brennstoffeinspritzventil mit integrierter zündkerze Download PDFInfo
- Publication number
- EP0861371B1 EP0861371B1 EP97938753A EP97938753A EP0861371B1 EP 0861371 B1 EP0861371 B1 EP 0861371B1 EP 97938753 A EP97938753 A EP 97938753A EP 97938753 A EP97938753 A EP 97938753A EP 0861371 B1 EP0861371 B1 EP 0861371B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- fuel injection
- valve needle
- needle
- armature
- 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.)
- Expired - Lifetime
Links
Images
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
- F02M61/04—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
- F02M61/08—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 the valves opening in direction of fuel flow
-
- 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
-
- 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
- F02M51/0685—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 and the valve being allowed to move relatively to each other or not being attached to each other
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/06—Fuel-injectors combined or associated with other devices the devices being sparking plugs
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
- F02M2200/507—Adjusting spring tension by screwing spring seats
Description
Claims (11)
- Brennstoffeinspritzventil mit einer integrierten Zündkerze zum direkten Einspritzen von Brennstoff in einen Brennraum einer Brennkraftmaschine und zum Zünden des in den Brennraum eingespritzten Brennstoffs miteinem Ventilkörper, welcher an seinem abspritzseitigen Ende eine von einem Ventilsitz umgebene Ventilöffnung und eine erste Zündelektrode aufweist, wobei die Ventilöffnung von einem an einer Ventilnadel angeordneten Ventilschließkörper verschließbar ist und die Ventilnadel mittels einer auf einen Anker einwirkenden Magnetspule zum Öffnen des Brennstoffeinspritzventils elektromagnetisch betätigbar ist, undeiner von dem Ventilkörper hochspannungsisolierten zweiten Zündelektrode, die zur Erzeugung einer den in den Brennraum eingespritzten Brennstoff zündenden Funkenentladung mit der an dem Ventilkörper ausgebildeten ersten Zündelektrode zusammenwirkt,daß sich die Ventilnadel (12) durch die Ventilöffnung (13) hindurch bis zu dem abspritzseitig angeordneten Ventilschließkörper (14) erstreckt und eine Schließfeder (16) die Ventilnadel (12) entgegen ihrer in Abspritzrichtung (x) gerichteten Öffnungsrichtung so vorspannt, daß der Ventilschließkörper (14) an dem Ventilsitz (15) bei geschlossenem Brennstoffeinspritzventil abspritzseitig anliegt, unddaß der Anker (32) mittels einer in Öffnungsrichtung wirkenden Anlagefeder (37) über ein zwischen dem Anker (32) und der Ventilnadel (12) angeordnetes Zwischenstück (35, 25) mit der Ventilnadel (12) in anliegendem Eingriff gehalten wird, wobei das Zwischenstück (35, 25) ein hochspannungsisolierendes Isolationselement (25) umfaßt.
- Brennstoffeinspritzventil nach Anspruch 1,
dadurch gekennzeichnet, daß der Ventilkörper (12) bezüglich der Längsachse (33) des Brennstoffeinspritzventils radial von einem hochspannungsisolierenden Isolationskörper (3) umgeben ist, der von einem elektrisch leitfähigen Gehäuse (1) umschlossen ist, an dessen abspritzseitigen Ende (6) die zweite Zündelektrode (7) angeordnet ist. - Brennstoffeinspritzventil nach Anspruch 2,
dadurch gekennzeichnet, daß der Isolationskörper (3) einen Führungsabschnitt (23) aufweist, der das der Ventilöffnung (13) abgewandte, zulaufseitige Ende (22) des Ventilkörpers (2) überragt und eine axiale Bohrung (24) aufweist, die das Isolationselement (25) so umschließt, daß das Isolationselement (25) darin beweglich geführt ist. - Brennstoffeinspritzventil nach Anspruch 2 oder 3,
dadurch gekennzeichnet, daß eine Hochspannungszuführung (9) den Isolationskörper (3) in bezüglich der Längsachse (33) des Brennstoffeinspritzventils radialer Richtung durchdringt und mit dem Ventilkörper (2) verbunden ist. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß sich die Ventilnadel (12) im wesentlichen über die gesamte Länge des die Ventilnadel (12) aufnehmenden Ventilkörpers (2) erstreckt und das Isolationselement (25) an dem dem Ventilschließkörper (14) gegenüberliegenden, zulaufseitigen Ende (18) der Ventilnadel (12) aufgrund der Beaufschlagung durch die Anlagefeder (23) bündig anliegt. - Brennstoffeinspritzventil nach Anspruch 5,
dadurch gekennzeichnet, daß die Schließfeder (16) die Ventilnadel (12) umschließend im Inneren des Ventilkörpers (12) angeordnet und zwischen dem abspritzseitigen Ende (4) des Ventilkörpers (12) und dem zulaufseitigen Ende (18) der Ventilnadel (12) eingespannt ist. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß das Verbindungsstück (25, 35) ein zwischen dem Anker (32) und dem Isolationselement (25) angeordnetes stiftförmiges Element (35) umfaßt, das in eine entsprechende Ausnehmung (36) des Isolationselements (25) einsteckbar ist. - Brennstoffeinspritzventil nach Anspruch 7,
dadurch gekennzeichnet, daß der Anker (32), das stiftförmige Element (35), das Isolationselement (25) und die Ventilnadel (12) axialsymmetrisch ausgebildet und zueinander koaxial angeordnet sind. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß die Anlagefeder (37) eine dem Zwischenstück (25, 35) abgewandte Stirnseite (54) des Ankers (32) beaufschlagt. - Brennstoffeinspritzventil nach Anspruch 9,
dadurch gekennzeichnet, daß sich die Anlagefeder (37) an einer justierbaren Federeinstellhülse (51) abstützt. - Brennstoffeinspritzventil nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß die Ventilnadel (12) stromaufwärts des Ventilschließkörpers (14) einen zylindrischen Zumeßabschnitt (44) aufweist, der von einem zylindrischen Abschnitt (45) der Ventilöffnung (13) so umschlossen ist, daß zwischen der Außenfläche des zylindrischen Zumeßabschnitts (44) der Ventilnadel (12) und der Innenfläche des zylindrischen Abschnitts (45) der Ventilöffnung (13) ein zylindrischer Ringspalt (46) gebildet ist, der einen Zumeßquerschnitt festlegt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19638025 | 1996-09-18 | ||
DE19638025A DE19638025A1 (de) | 1996-09-18 | 1996-09-18 | Brennstoffeinspritzventil mit integrierter Zündkerze |
PCT/DE1997/001704 WO1998012431A1 (de) | 1996-09-18 | 1997-08-11 | Brennstoffeinspritzventil mit integrierter zündkerze |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0861371A1 EP0861371A1 (de) | 1998-09-02 |
EP0861371B1 true EP0861371B1 (de) | 2002-04-03 |
Family
ID=7805995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97938753A Expired - Lifetime EP0861371B1 (de) | 1996-09-18 | 1997-08-11 | Brennstoffeinspritzventil mit integrierter zündkerze |
Country Status (5)
Country | Link |
---|---|
US (1) | US5983855A (de) |
EP (1) | EP0861371B1 (de) |
JP (1) | JP2000500840A (de) |
DE (2) | DE19638025A1 (de) |
WO (1) | WO1998012431A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337630A1 (de) * | 2003-08-16 | 2005-03-17 | Bayerische Motoren Werke Ag | Brennstoff-Einspritzventil mit einer integrierten Zündkerze |
Families Citing this family (64)
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---|---|---|---|---|
US20030012985A1 (en) | 1998-08-03 | 2003-01-16 | Mcalister Roy E. | Pressure energy conversion systems |
US6446597B1 (en) * | 2000-11-20 | 2002-09-10 | Mcalister Roy E. | Fuel delivery and ignition system for operation of energy conversion systems |
US6009856A (en) * | 1998-05-27 | 2000-01-04 | Caterpillar Inc. | Fuel injector isolation |
DE19828848A1 (de) | 1998-06-27 | 1999-12-30 | Bosch Gmbh Robert | Brennstoffeinspritzventil mit integrierter Zündkerze |
CN1411535A (zh) * | 1999-10-18 | 2003-04-16 | 轨道发动机公司(澳大利亚)有限公司 | 内燃机中的燃料直接喷射 |
AUPQ588500A0 (en) * | 2000-02-28 | 2000-03-23 | Orbital Engine Company (Australia) Proprietary Limited | Combined fuel injection and ignition means |
DE10012969B4 (de) | 2000-03-16 | 2008-06-19 | Daimler Ag | Einspritzdüse und ein Verfahren zur Bildung eines Kraftstoff-Luftgemischs |
US6745744B2 (en) * | 2000-06-08 | 2004-06-08 | Szymon Suckewer | Combustion enhancement system and method |
DE10159909A1 (de) * | 2001-12-06 | 2003-06-18 | Bosch Gmbh Robert | Brennstoffeinspritzventil-Zündkerze-Kombination |
US6886762B2 (en) * | 2001-12-20 | 2005-05-03 | Caterpillar Inc. | Nozzle insert for dual mode fuel injector |
DE10203800A1 (de) * | 2002-01-31 | 2003-08-14 | Bosch Gmbh Robert | Brennraumanordnung |
DE50310407D1 (de) | 2003-01-17 | 2008-10-09 | Ford Global Tech Llc | Kraftstoffinjektor und Zündeinrichtung für eine Brennkraftmaschine |
FR2864173B1 (fr) * | 2003-12-23 | 2007-12-28 | Renault Sas | Dispositif d'allumage pour moteur a combustion interne et culasse equipee d'un tel dispositif |
DE602004005152T2 (de) * | 2004-01-28 | 2007-07-12 | Siemens Vdo Automotive S.P.A., Fauglia | Ventilkörper, Fluidinjektor und Herstellungsmethode für einen Ventilkörper |
US8082735B2 (en) * | 2005-04-06 | 2011-12-27 | Massachusetts Institute Of Technology | Optimized fuel management system for direct injection ethanol enhancement of gasoline engines |
US7314033B2 (en) | 2004-11-18 | 2008-01-01 | Massachusetts Institute Of Technology | Fuel management system for variable ethanol octane enhancement of gasoline engines |
US8353269B2 (en) * | 2004-11-18 | 2013-01-15 | Massachusetts Institute Of Technology | Spark ignition engine that uses intake port injection of alcohol to extend knock limits |
US20080060627A1 (en) * | 2004-11-18 | 2008-03-13 | Massachusetts Institute Of Technology | Optimized fuel management system for direct injection ethanol enhancement of gasoline engines |
US7497203B2 (en) * | 2005-08-03 | 2009-03-03 | Caterpillar Inc. | Avoidance of spark damage on valve members |
WO2008050192A2 (en) * | 2006-03-08 | 2008-05-02 | Ethanol Boosting Systems, Llc | Single nozzle injection of gasoline and anti-knock fuel |
WO2007106416A2 (en) * | 2006-03-10 | 2007-09-20 | Ethanol Boosting Systems, Llc. | Fuel tank system for direct ethanol injection octane boosted gasoline engine |
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EP1854995A1 (de) * | 2006-05-09 | 2007-11-14 | Delphi Technologies, Inc. | Kraftstoffeinspritzventil |
WO2008014265A2 (en) * | 2006-07-24 | 2008-01-31 | Ethanol Boosting Systems, Llc | Single nozzle direct injection system for rapidly variable gasoline/anti-knock agent mixtures |
DE102006037040B4 (de) * | 2006-08-08 | 2008-07-24 | Siemens Ag | Brennstoffeinspritzventil mit Zündung |
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JP4737071B2 (ja) * | 2006-12-21 | 2011-07-27 | 株式会社デンソー | 燃料噴射装置 |
US8002206B2 (en) | 2006-12-29 | 2011-08-23 | Caterpillar Inc. | Avoidance of spark damage on valve members |
EP2000662B1 (de) * | 2007-06-04 | 2012-03-14 | Continental Automotive GmbH | Einstellungs- und Filteranordnung für ein Einspritzventil und Einspritzventil |
US8365700B2 (en) | 2008-01-07 | 2013-02-05 | Mcalister Technologies, Llc | Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control |
WO2011025512A1 (en) | 2009-08-27 | 2011-03-03 | Mcallister Technologies, Llc | Integrated fuel injectors and igniters and associated methods of use and manufacture |
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US7628137B1 (en) | 2008-01-07 | 2009-12-08 | Mcalister Roy E | Multifuel storage, metering and ignition system |
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US8561598B2 (en) * | 2008-01-07 | 2013-10-22 | Mcalister Technologies, Llc | Method and system of thermochemical regeneration to provide oxygenated fuel, for example, with fuel-cooled fuel injectors |
US8387599B2 (en) | 2008-01-07 | 2013-03-05 | Mcalister Technologies, Llc | Methods and systems for reducing the formation of oxides of nitrogen during combustion in engines |
US8522758B2 (en) | 2008-09-12 | 2013-09-03 | Ethanol Boosting Systems, Llc | Minimizing alcohol use in high efficiency alcohol boosted gasoline engines |
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EP2534347B1 (de) | 2010-02-13 | 2016-05-04 | McAlister, Roy Edward | Verfahren und systeme zur adaptiven kühlung von verbrennungskammern in motoren |
US20110297753A1 (en) | 2010-12-06 | 2011-12-08 | Mcalister Roy E | Integrated fuel injector igniters configured to inject multiple fuels and/or coolants and associated methods of use and manufacture |
BR112012020097A2 (pt) | 2010-02-13 | 2018-03-20 | Mcalister Tech Llc | conjuntos de injetor de comubustível tendo modificadores de força acústica e métodos associados de uso e fabricação. |
DE102010031643A1 (de) * | 2010-07-22 | 2012-01-26 | Robert Bosch Gmbh | Kraftstoffeinspritzventil mit trockenem Magnetaktor |
US8528519B2 (en) | 2010-10-27 | 2013-09-10 | Mcalister Technologies, Llc | Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture |
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CN103890343B (zh) | 2011-08-12 | 2015-07-15 | 麦卡利斯特技术有限责任公司 | 用于改进的发动机冷却及能量产生的系统和方法 |
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US9115325B2 (en) | 2012-11-12 | 2015-08-25 | Mcalister Technologies, Llc | Systems and methods for utilizing alcohol fuels |
US9200561B2 (en) | 2012-11-12 | 2015-12-01 | Mcalister Technologies, Llc | Chemical fuel conditioning and activation |
US8800527B2 (en) * | 2012-11-19 | 2014-08-12 | Mcalister Technologies, Llc | Method and apparatus for providing adaptive swirl injection and ignition |
US9377105B2 (en) | 2013-03-12 | 2016-06-28 | Mcalister Technologies, Llc | Insert kits for multi-stage compressors and associated systems, processes and methods |
US8838367B1 (en) | 2013-03-12 | 2014-09-16 | Mcalister Technologies, Llc | Rotational sensor and controller |
WO2014144581A1 (en) | 2013-03-15 | 2014-09-18 | Mcalister Technologies, Llc | Internal combustion engine and associated systems and methods |
US9255560B2 (en) | 2013-03-15 | 2016-02-09 | Mcalister Technologies, Llc | Regenerative intensifier and associated systems and methods |
US8820293B1 (en) | 2013-03-15 | 2014-09-02 | Mcalister Technologies, Llc | Injector-igniter with thermochemical regeneration |
US9562500B2 (en) | 2013-03-15 | 2017-02-07 | Mcalister Technologies, Llc | Injector-igniter with fuel characterization |
GB201521184D0 (en) * | 2015-12-01 | 2016-01-13 | Delphi Internat Operations Luxembourg S À R L | Gaseous fuel injectors |
JP2017210919A (ja) * | 2016-05-26 | 2017-11-30 | 株式会社Soken | 燃料噴射装置 |
US10690107B1 (en) | 2019-02-18 | 2020-06-23 | Caterpillar Inc. | Composite spark and liquid pilot igniter for dual fuel engine |
JP7363571B2 (ja) * | 2020-02-25 | 2023-10-18 | 住友電装株式会社 | ワイヤハーネス |
WO2021260014A1 (de) * | 2020-06-24 | 2021-12-30 | Hoerbiger Wien Gmbh | Magnetventil |
US11359590B1 (en) | 2021-05-26 | 2022-06-14 | Caterpillar Inc. | Igniter for dual fuel engine having liquid fuel outlet checks and spark ignition source |
Family Cites Families (6)
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US2459286A (en) * | 1944-05-27 | 1949-01-18 | Gen Motors Corp | Combination spark plug and fuel injector |
US2795214A (en) * | 1955-05-20 | 1957-06-11 | Ii Thurston W Shook | Combined fuel injection and ignition system for internal combustion engines |
US4095580A (en) * | 1976-10-22 | 1978-06-20 | The United States Of America As Represented By The United States Department Of Energy | Pulse-actuated fuel-injection spark plug |
US4343272A (en) * | 1980-03-12 | 1982-08-10 | Buck Alan C | Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements |
JPH0719142A (ja) * | 1993-06-30 | 1995-01-20 | Ngk Spark Plug Co Ltd | 燃料噴射弁付き点火プラグ |
US5497744A (en) * | 1993-11-29 | 1996-03-12 | Toyota Jidosha Kabushiki Kaisha | Fuel injector with an integrated spark plug for a direct injection type engine |
-
1996
- 1996-09-18 DE DE19638025A patent/DE19638025A1/de not_active Withdrawn
-
1997
- 1997-08-11 US US09/068,373 patent/US5983855A/en not_active Expired - Fee Related
- 1997-08-11 DE DE59706859T patent/DE59706859D1/de not_active Expired - Fee Related
- 1997-08-11 JP JP10514137A patent/JP2000500840A/ja not_active Withdrawn
- 1997-08-11 WO PCT/DE1997/001704 patent/WO1998012431A1/de active IP Right Grant
- 1997-08-11 EP EP97938753A patent/EP0861371B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337630A1 (de) * | 2003-08-16 | 2005-03-17 | Bayerische Motoren Werke Ag | Brennstoff-Einspritzventil mit einer integrierten Zündkerze |
Also Published As
Publication number | Publication date |
---|---|
DE19638025A1 (de) | 1998-03-19 |
EP0861371A1 (de) | 1998-09-02 |
WO1998012431A1 (de) | 1998-03-26 |
JP2000500840A (ja) | 2000-01-25 |
DE59706859D1 (de) | 2002-05-08 |
US5983855A (en) | 1999-11-16 |
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