EP1105639B1 - Brennstoffeinspritzventil - Google Patents
Brennstoffeinspritzventil Download PDFInfo
- Publication number
- EP1105639B1 EP1105639B1 EP99962123A EP99962123A EP1105639B1 EP 1105639 B1 EP1105639 B1 EP 1105639B1 EP 99962123 A EP99962123 A EP 99962123A EP 99962123 A EP99962123 A EP 99962123A EP 1105639 B1 EP1105639 B1 EP 1105639B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- spring
- valve needle
- valve
- 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
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
- F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
Definitions
- the invention is based on a fuel injection valve according to the preamble of the main claim.
- the fuel injection valve has one with a Valve needle connected valve closing body, with a valve seat surface formed on a valve seat body cooperates a sealing seat.
- a Magnetic coil provided with a magnet armature interacts with the valve needle between a Movement of the armature in the stroke direction of the valve needle limiting first stop and one the movement of the Anchor against the stroke direction limiting second Stop is movable. That through the two stops fixed axial movement of the anchor leads in certain limits to a decoupling of the inertial mass of Valve needle and the valve closing body on the one hand and the inertial mass of the anchor on the other hand.
- the fuel injection valve according to the invention with the Characteristic features of the main claim has the Advantage that any bumpers of the valve needle still can be avoided more effectively. It results in a high long-term stability, since the spring element against a Elastomer material has a long life and especially from the fuel is not destructible. A targeted adjustment of the damping properties is insofar possible that certain materials, shapes and Biases are used for the spring element.
- the spring element first serves as a lower second stop for the anchor, secondly as a damping element that the Movement of the armature continuously slows down and on this Make a bouncing of the valve needle on the valve seat surface avoids or severely restricts, and third as Sliding spring, which attaches the anchor to its rest position presses on the first stop.
- the one component of the spring element is a very high Function integration achieved.
- the spring element according to the invention is in an advantageous manner easy and inexpensive to produce, in Fuel injector mounted on the valve needle and adjustable.
- the spring element with a shaft and form a plurality of spring arms emanating from the shaft. It makes sense to use a spring steel sheet, which by deep drawing and punching in a desired Mushroom shape is brought.
- FIG. 1 shows a Embodiment of an inventive Fuel injector in a cut Representation
- Figure 2 shows a detail of Figure 1 around the anchor in an enlarged view
- Figure 3 a Section along the line III-III in Figure 2
- Figure 4 a alternative embodiment of serving as a damping spring Spring element in an analogous representation to Figure 3
- Figure 5 is a plan view of a spring element.
- FIG. 1 shows a section of an excerpt Representation of an inventive fuel injection valve 1.
- the fuel injection valve 1 is for injecting Fuel in a mixture-compressing, spark-ignited Internal combustion engine.
- the illustrated embodiment is as a high-pressure injector for direct injection of fuel, especially of gasoline, into the combustion chamber an internal combustion engine used.
- the fuel injection valve 1 has an im Embodiment in one piece with a valve needle. 2 connected valve closing body 3, which with a on to a valve seat body 4 formed valve seat surface cooperates a sealing seat.
- the valve seat body 4 is in a tubular valve seat carrier 5 is fixed, which in a Receiving bore of a cylinder head of the internal combustion engine is insertable and sealed by a seal 6.
- the valve seat carrier 5 is at its inlet end. 7 used in a longitudinal bore 8 of a housing body 9 and against the housing body 9 by means of a sealing ring 10th sealed.
- the end 7 of the valve seat carrier 5 is by means a threaded ring 11 biased, wherein between a Stage 12 of the housing body 9 and an upper end face 13 of the valve seat carrier 5 a Hubeinstellfit 14th is clamped.
- a solenoid 15 For electromagnetic actuation of the Fuel injection valve 1 is a solenoid 15, the is wound on a bobbin 16.
- electrical Excitation of the magnetic coil 15 is an armature 17 against a Stop surface 18 of the housing body 9 is pulled, the Housing body 9 upstream of the stop surface 18 as magnetic inner pole is formed, to which from the Stop surface 18 starting in the downstream direction a thin-walled magnetic throttle 19 connects.
- at his lifting movement takes the armature 17 due to the plant its upstream face 35 at a first one Stop forming stop body 20 with the Stop body 20 firmly connected valve needle 2 and the Valve closing body 3 with.
- the valve needle 2 is e.g. With the stopper body 20 is connected by a weld 22. The movement of the valve needle 2 takes place against a Return spring 23, between an adjusting sleeve 24 and the stopper body 20 is arranged.
- the fuel flows through an axial bore 30 of the Housing body 9 and at least one provided in the armature 17 Axial bore 31 and over in a guide plate 32nd provided axial bores 33 in a longitudinal opening 34 of the Valve seat carrier 5 up to the sealing seat of Fuel injection valve 1.
- the armature 17 is between the stopper body 20 and a according to the invention as a sliding spring and damping spring trained and serving as a second stop Spring element 25 arranged movably on the valve needle 2.
- a sliding spring and damping spring trained and serving as a second stop Spring element 25 arranged movably on the valve needle 2.
- the spring element 25 is advantageously with a tubular shaft 38 and with several outgoing therefrom Spring arms 39 formed.
- the shaft 38 of the spring element 25 immediately surrounds the valve needle 2 and is applied this one.
- the shaft 38 conceivable as the figures 3 and 4 clarify the sections along the line III-III in Figure 2 represent.
- the Shaft 38 according to FIG. 4 with e.g. three axially extending Ribs 41 formed, which protrude from the valve needle 2 and are arranged at a respective distance of 120 °.
- Valve needle 2 / spring element 25 with a press fit to Achieving a firm press connection, it is also possible for further securing in the region of the shaft 38 a or several weld points or seams 40 to put, as shown in Figure 2 is indicated on the right side.
- the e.g. out stainless spring steel sheet molded spring element 25 is for example, by deep drawing and subsequent punching brought into its desired shape.
- the real one Spring action is achieved by the spring arms 39, the off the shaft 38 emerge and from the valve needle. 2 abspreizen.
- the spring arms 39 extend finger-like over the entire circumference of the shaft 38 away, wherein each individual spring arm 39 under a spring tension is arched.
- the Spring arms 39 arched such that the armature 17 with his Edge region near the outer periphery at outer areas 42 to Attachment to the spring arms 39 comes, so that a tilting of the Ankers 17 can be excluded.
- the radial end of the Spring arms 39 form behind the armature pad serving Outside 42 Federarmenden 44, the back of the anchor 17th are bent away, so that no sharp edges on the anchor 17th issue.
- Figure 5 shows a plan view of a spring element 25 with six spring arms 39 distributed over the circumference. Another Number of spring arms 39 of the spring element 25 is however just as conceivable.
- the spring arms 39 have e.g. corresponding of the bending moment curve radially outward one smaller width than the shaft 38 out.
Description
Claims (8)
- Brennstoffeinspritzventil (1) für Brennstoffeinspritzanlagen von Brennkraftmaschinen, mit einer Magnetspule (15), mit einem durch die Magnetspule (15) in eine Hubrichtung beaufschlagbaren Anker (17) und mit einer mit einem Ventilschließkörper (3) in Verbindung stehenden Ventilnadel (2), wobei der Anker (17) zwischen einem mit der Ventilnadel (2) verbundenen, die Bewegung des Ankers (17) in der Hubrichtung begrenzenden ersten Anschlag (20) und einem mit der Ventilnadel (2) verbundenen, die Bewegung des Ankers (17) entgegen der Hubrichtung begrenzenden zweiten Anschlag (25) beweglich ist, und der zweite Anschlag durch ein Federelement (25) gebildet ist, dadurch gekennzeichnet, dass das Federelement (25) eine Schiebefeder bzw. eine Dämpfungsfeder ist, die fest auf der Ventilnadel (2) angebracht ist.
- Brennstoffeinspritaventil nach Anspruch 1, dadurch gekennzeichnet, dass das Federelement (25) auf die Ventilnadel (2) aufgepresst ist.
- Brennstoffeinspritzventil nach Anspruch 2, dadurch gekennzeichnet, dass das Federelement (25) zusätzlich durch wenigstens einen Schweißpunkt (40) oder eine Schweißnaht auf der Ventilnadel (2) gesichert ist.
- Brennstoffeinspritzventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Federelement (25) einen die Ventilnadel (2) umhüllenden Schaft (38) und mehrere von dem Schaft (38) ausgehende Federarme (39) aufweist.
- Brennstoffeinspritzventil nach Anspruch 4, dadurch gekennzeichnet, dass der Schaft (38) über seinen Umfang mehrere axiale Rippen (41) besitzt, die von der Ventilnadel (2) wegstehen.
- Brennstoffeinspritzventit nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Federarme (39) mit einer Federspannung gewölbt ausgerührt sind.
- Brennstoffeinspritzventil nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass der Anker (17) mit seinem Randbereich nahe des Außenumfangs an von der Ventilnadel (2) entfernten Außenbereichen (42) zur Anlage an den Federarmen (39) kommt.
- Brennstoffeinspritzventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Federelement (25) durch Tiefziehen und Stanzen aus einem Federstahlblech herstellbar ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19927900A DE19927900A1 (de) | 1999-06-18 | 1999-06-18 | Brennstoffeinspritzventil |
DE19927900 | 1999-06-18 | ||
PCT/DE1999/003868 WO2000079120A1 (de) | 1999-06-18 | 1999-12-02 | Brennstoffeinspritzventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1105639A1 EP1105639A1 (de) | 2001-06-13 |
EP1105639B1 true EP1105639B1 (de) | 2005-01-26 |
Family
ID=7911710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99962123A Expired - Lifetime EP1105639B1 (de) | 1999-06-18 | 1999-12-02 | Brennstoffeinspritzventil |
Country Status (6)
Country | Link |
---|---|
US (1) | US6520434B1 (de) |
EP (1) | EP1105639B1 (de) |
JP (1) | JP2003502573A (de) |
KR (1) | KR20010072511A (de) |
DE (2) | DE19927900A1 (de) |
WO (1) | WO2000079120A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103119282A (zh) * | 2010-09-30 | 2013-05-22 | 大陆汽车有限公司 | 用于喷射阀的阀组件和喷射阀 |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19947779A1 (de) * | 1999-10-02 | 2001-04-12 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE19950761A1 (de) * | 1999-10-21 | 2001-04-26 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10039078A1 (de) * | 2000-08-10 | 2002-02-21 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10063193A1 (de) * | 2000-12-19 | 2002-06-27 | Bosch Gmbh Robert | Magnetventil zur Steuerung eines Einspritzventils einer Brennkraftmaschine |
DE10108974A1 (de) | 2001-02-24 | 2002-09-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10118161B9 (de) * | 2001-04-11 | 2004-09-09 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE10118162B9 (de) * | 2001-04-11 | 2004-09-09 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE10124747A1 (de) * | 2001-05-21 | 2002-11-28 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10146141B4 (de) * | 2001-09-19 | 2007-01-04 | Robert Bosch Gmbh | Magnetventil |
DE10308482B4 (de) * | 2002-02-26 | 2006-11-09 | Kendrion Binder Magnete Gmbh | Elektromagnetventil |
DE10257896A1 (de) * | 2002-12-11 | 2004-07-01 | Robert Bosch Gmbh | Brennstoffeinspritzventil und Verfahren zu dessen Herstellung |
ITBO20030090A1 (it) * | 2003-02-21 | 2004-08-22 | Magneti Marelli Powertrain Spa | Iniettore di carburante per un motore a combustione interna. |
DE60328355D1 (de) * | 2003-03-19 | 2009-08-27 | Continental Automotive Gmbh | Einspritzventil mit einer durch eine Feder vorgespannten Nadel |
DE10345967B4 (de) * | 2003-10-02 | 2014-02-27 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102004024533A1 (de) | 2004-05-18 | 2005-12-15 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
CN100389258C (zh) * | 2004-06-02 | 2008-05-21 | 株式会社电装 | 燃料喷射阀 |
DE102004037250B4 (de) * | 2004-07-31 | 2014-01-09 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP2006097659A (ja) * | 2004-09-30 | 2006-04-13 | Nippon Soken Inc | 燃料噴射弁 |
JP4576345B2 (ja) | 2006-02-17 | 2010-11-04 | 日立オートモティブシステムズ株式会社 | 電磁式燃料噴射弁 |
JP4790441B2 (ja) * | 2006-02-17 | 2011-10-12 | 日立オートモティブシステムズ株式会社 | 電磁燃料噴射弁及びその組立て方法 |
EP1845254A1 (de) * | 2006-04-11 | 2007-10-17 | Siemens Aktiengesellschaft | Ventilanordnung |
US8074625B2 (en) * | 2008-01-07 | 2011-12-13 | Mcalister Technologies, Llc | Fuel injector actuator assemblies and associated methods of use and manufacture |
JP4637931B2 (ja) * | 2008-05-22 | 2011-02-23 | 三菱電機株式会社 | 燃料噴射弁 |
EP2123899B1 (de) * | 2008-05-23 | 2011-10-26 | Delphi Technologies, Inc. | Kraftstoffinjektor mit Solenoid-Aktuator |
DE102008002674B9 (de) * | 2008-06-26 | 2010-10-21 | INSTITUT FüR MIKROTECHNIK MAINZ GMBH | Mikroventil und Abdichteinrichtung zur Verwendung in einem Mikrofluidiksystem sowie Verfahren zu deren Herstellung |
JP4935882B2 (ja) * | 2009-03-05 | 2012-05-23 | 株式会社デンソー | 燃料噴射弁 |
JP4982546B2 (ja) * | 2009-10-19 | 2012-07-25 | 日立オートモティブシステムズ株式会社 | 電磁式燃料噴射弁 |
JP5218487B2 (ja) * | 2009-12-04 | 2013-06-26 | 株式会社デンソー | 燃料噴射弁 |
EP2365205B1 (de) | 2010-03-03 | 2013-05-15 | Continental Automotive GmbH | Einspritzventil |
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 |
JP5965253B2 (ja) | 2012-02-20 | 2016-08-03 | 株式会社デンソー | 燃料噴射弁 |
KR20150006044A (ko) * | 2012-05-08 | 2015-01-15 | 콘티넨탈 오토모티브 게엠베하 | 분사 밸브를 위한 밸브 조립체 및 분사 밸브 |
EP2703633A1 (de) | 2012-08-28 | 2014-03-05 | Continental Automotive GmbH | Ventilanordnung für ein Einspritzventil und Einspritzventil |
EP2706221B1 (de) * | 2012-09-07 | 2016-07-13 | Continental Automotive GmbH | Ventilanordnung für eine Brennstoffeinspritzdüse und Brennstoffeinspritzdüse |
DE102012217322A1 (de) * | 2012-09-25 | 2014-06-12 | Robert Bosch Gmbh | Einspritzventil |
US20140131466A1 (en) | 2012-11-12 | 2014-05-15 | Advanced Green Innovations, LLC | Hydraulic displacement amplifiers for fuel injectors |
US9309846B2 (en) | 2012-11-12 | 2016-04-12 | Mcalister Technologies, Llc | Motion modifiers for fuel injection systems |
DE102013206600B4 (de) | 2013-04-12 | 2015-08-06 | Continental Automotive Gmbh | Einspritzsystem zum Einspritzen von Kraftstoff in eine Brennkraftmaschine und Regelverfahren für ein solches Einspritzsystem |
DE102013207555B3 (de) | 2013-04-25 | 2014-10-09 | Continental Automotive Gmbh | Verfahren zur Einspritzmengenadaption |
EP2796703B1 (de) * | 2013-04-26 | 2016-07-20 | Continental Automotive GmbH | Ventilanordnung für ein Einspritzventil und Einspritzventil |
DE102013220877A1 (de) * | 2013-10-15 | 2015-04-16 | Continental Automotive Gmbh | Ventil |
EP2896813B1 (de) * | 2014-01-17 | 2018-01-10 | Continental Automotive GmbH | Kraftstoffeinspritzventil für einen Verbrennungsmotor |
US9341154B2 (en) | 2014-04-10 | 2016-05-17 | Continental Automotive Gmbh | Valve assembly for a fuel injector and fuel injector |
EP3009663B1 (de) * | 2014-10-15 | 2020-06-24 | Vitesco Technologies GmbH | Ventilanordnung und fluidinjektor |
DE102014220877B3 (de) * | 2014-10-15 | 2015-12-03 | Continental Automotive Gmbh | Kraftstoffeinspritzventil |
EP3076004B1 (de) * | 2015-04-02 | 2018-09-12 | Continental Automotive GmbH | Ventilanordnung mit einem Partikelrückhalteelement und Flüssigkeitsinjektionsventil |
DE102015209553B3 (de) * | 2015-05-26 | 2016-07-21 | Continental Automotive Gmbh | Elektromagnetische Schaltventilvorrichtung |
DE102015213221A1 (de) * | 2015-07-15 | 2017-01-19 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
DE102015214171A1 (de) * | 2015-07-27 | 2017-02-02 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
DE102015215537A1 (de) * | 2015-08-14 | 2017-02-16 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
DE102015219646A1 (de) * | 2015-10-09 | 2017-04-13 | Continental Automotive Gmbh | Fluid-Einspritzvorrichtung für Brennkraftmaschinen |
DE102017207270A1 (de) * | 2016-06-30 | 2018-01-04 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
DE102017220798A1 (de) * | 2017-11-21 | 2019-05-23 | Robert Bosch Gmbh | Dosierventil und Strahlpumpeneinheit zum Steuern eines gasförmigen Mediums |
FR3073903B1 (fr) * | 2017-11-23 | 2021-07-30 | Delphi Int Operations Luxembourg Sarl | Injecteur de carburant |
DE102018201951A1 (de) * | 2018-02-08 | 2019-08-08 | Robert Bosch Gmbh | Ventil zum Zumessen eines Fluids |
CN117795187A (zh) | 2021-05-28 | 2024-03-29 | 斯坦蒂内有限责任公司 | 燃料喷射器 |
US11603815B1 (en) | 2021-11-04 | 2023-03-14 | Standard Motor Products, Inc. | Modular armature-needle assembly for fuel injectors |
Family Cites Families (9)
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US4766405A (en) | 1987-04-14 | 1988-08-23 | Allied Corporation | Dynamic energy absorber |
JP2997751B2 (ja) | 1990-10-31 | 2000-01-11 | ヤマハ発動機株式会社 | 電磁弁装置 |
US5114077A (en) | 1990-12-12 | 1992-05-19 | Siemens Automotive L.P. | Fuel injector end cap |
US5236173A (en) | 1992-03-11 | 1993-08-17 | Siemens Automotive L.P. | Armature bounce damper |
US5299776A (en) | 1993-03-26 | 1994-04-05 | Siemens Automotive L.P. | Impact dampened armature and needle valve assembly |
JP3546490B2 (ja) * | 1994-10-03 | 2004-07-28 | 株式会社デンソー | 電磁式燃料噴射弁 |
US5645226A (en) * | 1995-02-13 | 1997-07-08 | Siemens Automotive Corporation | Solenoid motion initiator |
DE19829380A1 (de) * | 1998-07-01 | 2000-01-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil und Verfahren zur Herstellung eines Brennstoffeinspritzventiles |
DE19849210A1 (de) * | 1998-10-26 | 2000-04-27 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
-
1999
- 1999-06-18 DE DE19927900A patent/DE19927900A1/de not_active Withdrawn
- 1999-12-02 EP EP99962123A patent/EP1105639B1/de not_active Expired - Lifetime
- 1999-12-02 WO PCT/DE1999/003868 patent/WO2000079120A1/de not_active Application Discontinuation
- 1999-12-02 JP JP2001505446A patent/JP2003502573A/ja active Pending
- 1999-12-02 KR KR1020017001955A patent/KR20010072511A/ko not_active Application Discontinuation
- 1999-12-02 DE DE59911528T patent/DE59911528D1/de not_active Expired - Lifetime
- 1999-12-02 US US09/763,346 patent/US6520434B1/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103119282A (zh) * | 2010-09-30 | 2013-05-22 | 大陆汽车有限公司 | 用于喷射阀的阀组件和喷射阀 |
CN103119282B (zh) * | 2010-09-30 | 2015-04-22 | 大陆汽车有限公司 | 用于喷射阀的阀组件和喷射阀 |
US9376994B2 (en) | 2010-09-30 | 2016-06-28 | Continental Automotive Gmbh | Valve assembly for an injection valve and injection valve |
Also Published As
Publication number | Publication date |
---|---|
DE59911528D1 (de) | 2005-03-03 |
JP2003502573A (ja) | 2003-01-21 |
KR20010072511A (ko) | 2001-07-31 |
DE19927900A1 (de) | 2000-12-21 |
WO2000079120A1 (de) | 2000-12-28 |
US6520434B1 (en) | 2003-02-18 |
EP1105639A1 (de) | 2001-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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