EP1431568A2 - Brennstoffeinspritzventil - Google Patents
Brennstoffeinspritzventil Download PDFInfo
- Publication number
- EP1431568A2 EP1431568A2 EP03015164A EP03015164A EP1431568A2 EP 1431568 A2 EP1431568 A2 EP 1431568A2 EP 03015164 A EP03015164 A EP 03015164A EP 03015164 A EP03015164 A EP 03015164A EP 1431568 A2 EP1431568 A2 EP 1431568A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- fuel injection
- injection valve
- flexible section
- actuator housing
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 47
- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000012790 confirmation Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000004382 potting Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0057—Means for avoiding fuel contact with valve actuator, e.g. isolating actuators by using bellows or diaphragms
Definitions
- the invention is based on a fuel injector according to the genus of the main claim.
- Fuel injector with a piezoelectric actuator known, which via a confirmation strand in Operational connection with a valve closing body.
- One too valve needle belonging to a confirmation string instructs their spray-side end on the valve closing body cooperates with a valve seat surface to form a sealing seat.
- the actuator is arranged in an upper housing part.
- On flexible section in the form of a spring membrane seals the upper housing part against one filled with fuel lower part of the housing hermetically.
- the flexible section is extensive on the one hand to the confirmation strand belonging actuator and on the other hand on the inner surfaces of the lower housing part hermetically sealed.
- a disadvantage of the prior art is that one filled with a heat-conducting liquid Actuator housing, the flexible section between the Inside of the actuator housing and the exterior of the actuator housing lies and directly connected to the actuating strand is, both from the force effect of the movement of the Confirmation strand as well as the pressure effects in the Inside the actuator housing is applied.
- the flexible one Section cannot therefore refer to any of these Force effects can be optimized. This results in for example increased force effects of the flexible Section on the confirmation strand, what negative Have an influence on the valve dynamics. Furthermore, this can for example the life of the flexible section be shortened.
- the fuel injector according to the invention with the Features of claim 1 has the advantage that the flexible section which is connected to the actuating strand is connected and the interior of the actuator housing from the Hermetically seals the exterior of the actuator housing with respect the force effects of the actuation train movements optimized can be. Force effects resulting from pressure fluctuations in the Inside of the actuator housing come from Differences in pressure between the inside of the actuator housing and the exterior of the actuator housing must come from the Dimensioning and design of the flexible section are not taken into account as these force effects too to a large extent be compensated for by the compensation element.
- the movements of the actuation line do not work directly on the compensating element, since it is structurally from Actuating string is separated.
- the compensation element can thereby with regard to the force effect of the pressure differences be optimized.
- the relief of the flexible section means that the flexible section regarding the forces over the Act on the confirmation strand on the flexible section, can be claimed more. Especially at Reciprocating internal combustion engines this allows an increase in the injection frequency. Moreover the life of the seal is increased.
- the strain on the flexible section Movements in the confirmation thread will be on a larger scale Distributed length. This results in a reduced Stress on the flexible section per unit length.
- Fuel injector is the balancing element one Membrane.
- Membranes can be simple and inexpensive are produced, the properties of the membrane, such as z. B. the flexibility set in a simple manner can be.
- the fuel injector is the compensating element and / or the flexible section at least partially Metal, in particular steel.
- Metals are excellent adjustable plastic and elastic properties. steel has one in the range of operating temperatures Fuel injector fluctuating little Properties on and can be procured and inexpensive are processed.
- the actuator housing is on the Connection point to the compensation element flattened or flattened and thus forms a non-curved, two-dimensional plane. This allows the compensation element for example made from a simple plate become. Tensions within the compensation element and on the connection point between the actuator housing and Compensating element are thereby avoided.
- the actuator housing can advantageously be made of fuel be flowed around.
- the heat loss of the actuator is thus in simple way about the heat-conducting medium and Actuator housing dissipated to the fuel.
- A is advantageously used as the heat-conducting medium used incompressible liquid.
- An adaptation of the Compensation elements due to a pressure-dependent Volume change of the heat-conducting medium can thus omitted.
- the heat-conducting medium is advantageously electrical not conductive, so an additional, heat-insulating and fault-prone insulation of the actuator to be dispensed with.
- the heat-conducting medium is advantageously chemical neutral. The lifespan and reliability of that Components in contact with the heat-conducting medium are thereby elevated.
- the flexible section is advantageously corrugated trained, so the flexible section causes axial extension or compression no pressure difference between the inside and outside of the actuator housing.
- Fuel injector 1 is used especially for direct injection of fuel into a combustion chamber of a mixture-compressing, spark-ignited Internal combustion engine.
- a housing 2 are coaxial to each other a piston-shaped coupler 18, a cylindrical or round cylindrical actuator housing 12; a guide body 9 and a valve needle 3 with a Valve closing body 4 arranged.
- the housing 2 instructs a fuel feed at its upper end remote from the spray 17 on.
- the coupler 18 is supported with its upper end against the inside of the upper end of the housing 2. At the The bottom of the coupler 18 closes the cylindrical one Actuator housing 12 on.
- a piston-shaped actuator 14 between the inside of the upper End of the actuator housing 12 and a T-shaped in cross section Actuator pin 13 arranged.
- the cross section of the actuator 14 can, deviating from a circular cross section, also be square or perforated.
- the actuator housing 12 deviating from a round one Cross section, corresponding to the cross section of the actuator 14 be shaped.
- Das Longitudinal element of the T-shaped actuator pin 13 passes through the Underside of the actuator housing 12.
- the actuator housing 12 is complete with a heat conductive medium filled.
- the heat-conducting medium is an electrically non-conductive Oil.
- the disc-shaped guide body 9, in which both lower end of the actuator pin 13 as well as the upper end of the Valve needle 3 are guided, has a fuel channel 10 on.
- the valve needle is on the spray side of the guide body 9 3 with its valve closing body 4, a return spring 7, a flange 8 and a spray opening 5 are arranged.
- the Return spring 7 is supported on the inside of the lower End of the actuator housing 12 and presses into the valve needle 3 with the flange 8 fixed to the valve needle 3 a bias against the lower end of the actuator pin 13.
- An electrical connector 20 is through the top of the Housing 2 and laterally through the actuator housing 12 to the actuator 14 out.
- the compensating element 16 has in this Embodiment the shape of a membrane is made of steel manufactured and hermetically seals the opening 21.
- the operation of the fuel injector 1 is like follows:
- actuator 14 In the rest position of the opening to the outside Fuel injector 1, actuator 14 is not energized.
- the return spring 7 presses over the flange 8 and Valve needle 3 the valve closing body 4 against one in the Spray opening 5 arranged valve seat 6. A through the valve closing body 4 and the valve seat surface 6 formed sealing seat is thus closed.
- the compensating element 16 compensates for pressure differences that in particular by changes in the volume of the actuator 14 are caused.
- the volume changes are over the actuator housing completely filled with the heat-conducting oil 12 on the flexible section 11 and the compensating element 16 transferred in the form of a pressure change. That in comparison to the flexible section 11 softer and more compliant designed compensation element 16 is the same Volume changes and relieves the flexible section 11 thereby from a pressure load, in particular by Volume changes of the actuator 14 and the thermally conductive Medium are caused.
- the one in this embodiment Flexible section 11 can be of corrugated tube design therefore with sufficient pressure relief by a simple membrane, not shown, to be replaced.
- the fuel injector 1 can also not have shown stroke translation device, which converts a small actuator stroke to a larger valve stroke.
- the stroke transmission device not shown, can be part of the confirmation thread 3.13.
- the coupler 18 is used in particular to compensate for the Thermal expansion of the actuator 14 is compared to him surrounding fuel hermetically sealed and preferably with a flat membrane, not shown executed.
- the coupler 18 can also between the actuator 14 and Valve needle 3 arranged and part of the confirmation strand 3.13, wherein the actuator housing 19 on the remote spray End would lie on the inside of the housing 2. A not The coupler pin shown then transmits the stroke of the actuator 14 on the valve needle 3.
- Fig. 2 shows a schematic representation of a second Embodiment of an inventive Fuel injection valve 1, similar to the first one in FIG. 1 illustrated embodiment.
- the flexible section 11 forms an exemplary embodiment Most of the actuator housing 12.
- the radial to the actuator 14 arranged sides 19 of the actuator housing 12 are in this Embodiment completely through the flexible Section 11 formed, the flexible section 11 the Has the shape of a corrugated tube.
- the flexible section 11 can at least over the extend the entire length of the actuator 14. Forces that come from Differences in pressure between the inside and the outside of the Actuator housing 12 originate, are evenly over the enlarged area of the flexible portion 11 distributed. The vigorous loading of the flexible section 11 pro Area unit due to pressure differences is thus reduced.
- the stress on the flexible section 11 by the Movements of the confirmation strand 3.13 are on a distributed greater length. This results in a reduced Stress on the flexible section 11 per unit length.
- the invention is not shown on the Embodiments limited and z. B. also for after internal fuel injectors can be used.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung eines ersten Ausführungsbeispiels eines erfindungsgemäßen Brennstoffeinspritzventils und
- Fig. 2
- eine schematische Darstellung eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Brennstoffeinspritzventils.
- 1
- Brennstoffeinspritzventil
- 2
- Gehäuse
- 3
- Ventilnadel
- 4
- Ventilschließkörper
- 5
- Abspritzöffnung
- 6
- Ventilsitzfläche
- 7
- Rückstellfeder
- 8
- Flansch
- 9
- Führungskörper
- 10
- Brennstoffkanal
- 11
- flexibler Abschnitt
- 12
- Aktorgehäuse
- 13
- Aktorpin
- 14
- Aktor
- 15
- Federelement
- 16
- Ausgleichseinrichtung
- 17
- Brennstoffzuführung
- 18
- Koppler
- 19
- Seite
- 20
- elektrischer Anschluß
- 21
- Öffnung
Claims (12)
- Brennstoffeinspritzventil (1), insbesondere zum direkten Einspritzen von Brennstoff in einen Brennraum einer Brennkraftmaschine, mit einem piezoelektrischen, elektrostriktiven oder magnetostrikiven Aktor (14), und
einen mit dem Aktor (14) über einen Betätigungsstrang (3,13) in Wirkverbindung stehenden Ventilschließkörper (4), der mit einer Ventilsitzfläche (6) zu einem Dichtsitz zusammenwirkt, wobei der Aktor (14) von einem Aktorgehäuse (12) mit einem flexiblen Abschnitt (11) hermetisch dicht umgeben ist, der flexible Abschnitt (11) mit dem Bestätigungsstrang (3,13) verbunden ist und der Aktor (14) in dem Aktorgehäuse (12) von einem wärmeleitenden Medium umgeben ist,
dadurch gekennzeichnet, daß das Aktorgehäuse (12) ein Ausgleichselement (16) zum Ausgleich von Druckunterschieden zwischen dem Inneren und dem Äußeren des Aktorgehäuses (12) aufweist, wobei das Ausgleichselement (16) vom Betätigungsstrang (3,13) vollständig baulich getrennt ist. - Brennstoffeinspritzventil (1) nach Anspruch 1,
dadurch gekennzeichnet, daß das Ausgleichselement (16) eine Membran ist. - Brennstoffeinspritzventil (1) nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß das Ausgleichselement (16) zumindest teilweise aus Metall, insbesondere aus Stahl, besteht. - Brennstoffeinspritzventil (1) nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß das Aktorgehäuse (12) an der Verbindungsstelle zum Ausgleichselement (16) eine nicht gewölbte, zweidimensionale Ebene bildet. - Brennstoffeinspritzventil (1), insbesondere zum direkten Einspritzen von Brennstoff in einen Brennraum einer Brennkraftmaschine, mit einem piezoelektrischen, elektrostriktiven oder magnetostrikiven Aktor (14), und einen mit dem Aktor (14) über einen Betätigungsstrang (3,13) in Wirkverbindung stehenden Ventilschließkörper (4), der mit einer Ventilsitzfläche (6) zu einem Dichtsitz zusammenwirkt, wobei der Aktor (14) von einem Aktorgehäuse (12) mit einem flexiblen Abschnitt (11) hermetisch dicht umgeben ist, der flexible Abschnitt (11) mit dem Bestätigungsstrang (3,13) verbunden ist und der Aktor (14) in dem Aktorgehäuse (12) von einem wärmeleitenden Medium umgeben ist,
dadurch gekennzeichnet, daß radial zum Aktor (14) angeordnete Seiten (19) des Aktorgehäuses (12) den flexiblen Abschnitt (11) bilden. - Brennstoffeinspritzventil (1) nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß das Aktorgehäuse (12) von Brennstoff umströmt wird. - Brennstoffeinspritzventil (1) nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß das wärmeleitende Medium eine inkompressible Flüssigkeit ist. - Brennstoffeinspritzventil (1) nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß das wärmeleitende Medium eine plastische Paste, Gel oder Vergußmasse ist. - Brennstoffeinspritzventil (1) nach einem der vorangegangene Ansprüche,
dadurch gekennzeichnet, daß das wärmeleitende Medium elektrisch nicht leitet. - Brennstoffeinspritzventil (1) nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß das wärmeleitende Medium chemisch neutral ist. - Brennstoffeinspritzventil (1) nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß der flexible Abschnitt (11) wellrohrförmig ausgebildet ist. - Brennstoffeinspritzventil (1) nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß der flexible Abschnitt (11) zumindest teilweise aus Metall, insbesondere aus Stahl, besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10259801 | 2002-12-19 | ||
DE2002159801 DE10259801A1 (de) | 2002-12-19 | 2002-12-19 | Brennstoffeinspritzventil |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1431568A2 true EP1431568A2 (de) | 2004-06-23 |
EP1431568A3 EP1431568A3 (de) | 2004-12-29 |
EP1431568B1 EP1431568B1 (de) | 2011-02-23 |
Family
ID=32336493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030015164 Expired - Lifetime EP1431568B1 (de) | 2002-12-19 | 2003-07-04 | Brennstoffeinspritzventil |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1431568B1 (de) |
JP (1) | JP2004197743A (de) |
DE (2) | DE10259801A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005116440A1 (de) * | 2004-05-28 | 2005-12-08 | Siemens Aktiengesellschaft | Einspritzventil |
EP1816341A1 (de) * | 2006-02-03 | 2007-08-08 | Siemens Aktiengesellschaft | Aktoreinheit für ein Einspritzventil und Einspritzventil |
EP1854992A1 (de) * | 2006-05-09 | 2007-11-14 | Siemens Aktiengesellschaft | Kraftstoffeinspritzsystem und ein Verfahren zum Herstellen dieses Einspritzsystems |
WO2007131964A1 (de) * | 2006-05-17 | 2007-11-22 | Robert Bosch Gmbh | Anordnung mit einem von flüssigen medien umströmten piezoaktor |
WO2009059864A1 (de) * | 2007-11-09 | 2009-05-14 | Robert Bosch Gmbh | Piezoelektrisches aktormodul |
EP2568155A1 (de) * | 2011-09-09 | 2013-03-13 | Continental Automotive GmbH | Ventilanordnung und Einspritzventil |
US8763767B2 (en) | 2004-07-07 | 2014-07-01 | Continental Automotive Gmbh | Electronic parking brake and method for controlling an electronic parking brake |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5246149B2 (ja) * | 2009-12-08 | 2013-07-24 | 株式会社デンソー | インジェクタ |
JP2017066955A (ja) * | 2015-09-30 | 2017-04-06 | 日立オートモティブシステムズ株式会社 | 流量制御弁 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4005455A1 (de) | 1989-02-28 | 1990-08-30 | Volkswagen Ag | Zumessventil, insbesondere kraftstoff-einspritzventil fuer eine brennkraftmaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19857247C1 (de) * | 1998-12-11 | 2000-01-27 | Bosch Gmbh Robert | Piezoelektrischer Aktor |
DE19912666A1 (de) * | 1999-03-20 | 2000-09-21 | Bosch Gmbh Robert | Brennstoffeinspritzentil |
DE10035168A1 (de) * | 2000-07-19 | 2002-02-07 | Siemens Ag | Stellantrieb, Ventil sowie Verfahren zum Herstellen eines Stellantriebs |
DE10048430A1 (de) * | 2000-09-29 | 2002-04-25 | Bosch Gmbh Robert | Piezoelektrischer Aktor |
DE10054017A1 (de) * | 2000-11-01 | 2002-05-08 | Bosch Gmbh Robert | Piezoaktormodul mit Vorrichtung zur Wärmeableitung |
DE10245109A1 (de) * | 2002-09-27 | 2004-04-08 | Siemens Ag | Injektor, insbesondere Kraftstoff-Einspritzventil, mit einem piezoelektrischen Aktor |
-
2002
- 2002-12-19 DE DE2002159801 patent/DE10259801A1/de not_active Withdrawn
-
2003
- 2003-07-04 DE DE50313486T patent/DE50313486D1/de not_active Expired - Lifetime
- 2003-07-04 EP EP20030015164 patent/EP1431568B1/de not_active Expired - Lifetime
- 2003-12-16 JP JP2003418098A patent/JP2004197743A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4005455A1 (de) | 1989-02-28 | 1990-08-30 | Volkswagen Ag | Zumessventil, insbesondere kraftstoff-einspritzventil fuer eine brennkraftmaschine |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005116440A1 (de) * | 2004-05-28 | 2005-12-08 | Siemens Aktiengesellschaft | Einspritzventil |
US8763767B2 (en) | 2004-07-07 | 2014-07-01 | Continental Automotive Gmbh | Electronic parking brake and method for controlling an electronic parking brake |
US8162240B2 (en) | 2006-02-03 | 2012-04-24 | Continental Automotive Gmbh | Actor device for an injector and injector |
EP1816341A1 (de) * | 2006-02-03 | 2007-08-08 | Siemens Aktiengesellschaft | Aktoreinheit für ein Einspritzventil und Einspritzventil |
EP1854992A1 (de) * | 2006-05-09 | 2007-11-14 | Siemens Aktiengesellschaft | Kraftstoffeinspritzsystem und ein Verfahren zum Herstellen dieses Einspritzsystems |
US8038079B2 (en) | 2006-05-09 | 2011-10-18 | Continental Automotive Gmbh | Injection system and a method for producing an injection system |
WO2007131964A1 (de) * | 2006-05-17 | 2007-11-22 | Robert Bosch Gmbh | Anordnung mit einem von flüssigen medien umströmten piezoaktor |
WO2009059864A1 (de) * | 2007-11-09 | 2009-05-14 | Robert Bosch Gmbh | Piezoelektrisches aktormodul |
EP2568155A1 (de) * | 2011-09-09 | 2013-03-13 | Continental Automotive GmbH | Ventilanordnung und Einspritzventil |
WO2013034477A1 (en) * | 2011-09-09 | 2013-03-14 | Continental Automotive Gmbh | Valve assembly and injection valve |
CN103764995A (zh) * | 2011-09-09 | 2014-04-30 | 大陆汽车有限公司 | 阀组件和喷射阀 |
KR20140059299A (ko) * | 2011-09-09 | 2014-05-15 | 콘티넨탈 오토모티브 게엠베하 | 밸브 조립체 및 분사 밸브 |
US9574532B2 (en) | 2011-09-09 | 2017-02-21 | Continental Automotive Gmbh | Valve assembly and injection valve |
Also Published As
Publication number | Publication date |
---|---|
EP1431568A3 (de) | 2004-12-29 |
EP1431568B1 (de) | 2011-02-23 |
DE50313486D1 (de) | 2011-04-07 |
DE10259801A1 (de) | 2004-07-01 |
JP2004197743A (ja) | 2004-07-15 |
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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 |
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