EP1519037A1 - Brennstoffeinspritzventil - Google Patents
Brennstoffeinspritzventil Download PDFInfo
- Publication number
- EP1519037A1 EP1519037A1 EP04104647A EP04104647A EP1519037A1 EP 1519037 A1 EP1519037 A1 EP 1519037A1 EP 04104647 A EP04104647 A EP 04104647A EP 04104647 A EP04104647 A EP 04104647A EP 1519037 A1 EP1519037 A1 EP 1519037A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- injection valve
- coupler
- compensating element
- valve according
- 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 description 40
- 238000002347 injection Methods 0.000 title claims description 30
- 239000007924 injection Substances 0.000 title claims description 30
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910001374 Invar Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims 1
- 229910001297 Zn alloy Inorganic materials 0.000 claims 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims 1
- 239000012815 thermoplastic material Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 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
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/167—Means for compensating clearance or thermal expansion
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
- F02M2200/707—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for avoiding fuel contact with actuators, e.g. isolating actuators by using bellows or diaphragms
Definitions
- the invention is based on a fuel injection valve according to the preamble of the main claim.
- a Fuel injector with a piezoelectric or magnetostrictive actuator known, which in operative connection with a valve needle is.
- the valve needle points to her discharge end on a valve closing body, which with a valve seat surface cooperates with a sealing seat.
- One Coupler which compensates for changes in length of Components of the fuel injection valve, in particular of temperature-related changes in length of the actuator, serves, is arranged upstream of the actuator module.
- the coupler points two mutually axially movable sections, the mesh with each other while doing an annular gap and a Form hydraulic volume.
- the annular gap connects the Hydraulic volume with one under a pre-pressure Compensation space.
- To compensate for changes in length of the Actuator becomes the hydraulic medium between the hydraulic volume and the compensation space exchanged, wherein the Annular gap serves as a throttle point.
- a disadvantage of the above-mentioned document known fuel injection valve is in particular that the temperature-related expansion of the hydraulic medium only are insufficiently compensated. Will a volume change of Hydraulic medium by exchange of hydraulic medium between the hydraulic volume and the compensation chamber balanced, the pressure in the compensation room changes, wherein when filling the compensation chamber a Pressure increase in the expansion chamber results in which one counteracts further filling.
- the power with the Valve closing body acts in the sealing seat is in this way over different temperature conditions of the Fuel injector changed undesirable. This leads to In particular, that the design of other components of Fuel injector only with considerably more effort is possible and also complied with lower tolerances Need to become.
- the fuel injection valve according to the invention with the Features of the main claim has the advantage over that in particular the sealing force of the sealing seat in all Temperature ranges through simple and inexpensive Measures can be kept constant. Thereby simplifies the design and construction of others Components and the fuel injector as a whole. Of the In addition, coupler becomes more independent in its behavior Temperature fluctuations.
- Fuel injection valve has the compensation element the operating temperatures of the fuel injection valve a solid state of aggregation. This can be the Compensation element in a very simple way from Disconnect hydraulic fluid permanently.
- first coupler section a unilaterally closed hollow cylindrical shape forms in the cylindrically shaped second coupler section at least partially engages while forming the gap.
- the coupler can thereby in a particularly simple manner being constructed.
- Fuel injection valve is the second coupler section at least partially from the compensating element.
- the fuel injection valve can thereby very easily be built and assembled.
- the first coupler section in particular in the field of hollow cylindrical shape, consists of the compensation element and if the temperature expansion coefficient is greater than or is equal to that of the hydraulic medium. This can be the It is particularly easy to set up and assemble couplers.
- the flexible section hole-shaped or corrugated pipe form.
- the Coupler can thus better in the operating string of the Fuel injector to be integrated, since for example, the flexible section slightly so at the coupler can be arranged that the flexible section is not in the actuation axis of the actuation strand is located.
- the flexible section can be made very easy and assemble.
- the movements of the Actuator module transferred directly to the coupler sections and the dynamic properties of the Fuel injector are only minimally negative affected.
- the fuel injection valve according to the invention consists Hydraulic medium ideally made of an oil or a gel.
- Inventive fuel injection valve 1 is used in particular for the direct injection of fuel into a combustion chamber of a mixture-compressing, spark-ignited Internal combustion engine.
- an interlocking housing upper part 4 and a coaxially arranged housing lower part 5 are a Valve needle 8, an actuator 2, a nozzle body 6 and a hydraulic coupler 3 each coaxial arranged.
- the nozzle body 6 passes through from the inside its downstream end, the downstream end of the Housing base 5.
- Actuator 2 communicates with the valve needle 8 via an actuator head 10 and an intermediate piece 9, which the upper housing part 4 in Area of the discharge end of the housing upper part. 4 engages, in operative connection.
- first Spring element 21 biases the valve needle 6 against the Abspritzides before.
- the first spring element 21 is here between a shoulder 40 formed in the nozzle body 6 and an upstream side thereof arranged at the Valve needle 8 fixed flange 26 clamped.
- the Spring force of the first spring element 21 pulls the Valve-closing body 7 in which in this embodiment outwardly opening fuel injection valve 1 in the Sealing seat.
- the hydraulic coupler 3 has in this Embodiment essentially a first coupler section 23 and a cylindrical second coupler section 24 on.
- One between the bottom of the mold 17 and that of the mold 17 facing end side of the second portion 24th located hydraulic volume 36 is through the axial Displacement of the second coupler section 24 opposite the first coupler section 23 variable.
- the second coupler section 24 is in the first coupler section 23, or in the form 17, with a game 32, which is for example between 2 and 10 microns and generated by a gap 25, guided.
- the Ratio of the minimum engagement depth of the second Section 24 to its diameter is chosen so that the second portion 24 in the mold 17 can not tilt.
- the actuator 2 On the upstream side of the actuator 2, the actuator 2 is above a plate-shaped, on the inflow side by a second stage 43 upwardly tapering Aktorfuß 11 with the downstream end of the second coupler section 24 in FIG Operatively connected.
- the diameter of the actuator base 2 is larger as that of the second coupler section 24, both Components are arranged coaxially with each other.
- One in this Embodiment designed as a spiral spring second Spring element 20 runs around the second coupler section 24 in Area of its downstream end.
- the second Spring element 20 presses the actuator foot 11 with a bias on the actuator 2, wherein the second spring element 20th on the inflow side at a first circumferential around the mold 17 Level 42 and downstream on the second stage 43 is supported.
- a wellrohrförmiger in this embodiment, from Steel is existing and elastic flexible section 27 disposed within the second spring element 20.
- the inflow-side end of the flexible portion 20 is in Area of the first stage 42 hermetically sealed, for example by welding, joined.
- the downstream end of the flexible portion 20 is in the vicinity of the Aktorfußes 11th laterally hermetically sealed at the second coupler section 24, for example, joined by welding.
- the flexible one Section 27 closes the gap 25 and limits together with the area of the discharge end of the second Coupler section 24 a compensation chamber 14.
- the Compensation space 14 is through the gap 25 with the hydraulic volume 36 connected.
- the hydraulic volume 36 is assigned and in this Embodiment is designed as a hollow cylinder.
- the recess 16 is one of the shape of the recess 16 similar compensation element 15 is arranged, wherein the Compensation element 15 is inserted only in the recess 16 and thus all its outer surfaces of hydraulic medium are surrounded.
- the Compensation element 15 is fixed in the recess 16 or be joined, for example, by a weld on the ground the recess 16 or a positive connection.
- the inserted in the recess 16, made of invar steel existing compensating element 15 has a smaller Temperature expansion coefficient on as the Hydraulic medium and / or the materials of which the first Coupler section 24 in the area of the hydraulic volume 36 consists. Because the ones commonly used Hydraulic media expand more than the coupler sections 23, 24, but the compensating element 15 is less strong expands, equalizes the compensating element 15 the different dimensions of the coupler sections 23, 24th and the hydraulic medium at least partially.
- the example of bronze, brass, aluminum or a thermoplastic plastic material existing part of the first coupler section 23 has an expansion coefficient on, which is greater than or equal to the hydraulic medium.
- the compensation space 14, the gap 25 and the hydraulic volume 36 with the recess 16 completely with an oil-like, gas-free and filled with incompressible hydraulic fluid.
- the flexible one Section 27 is through the selection of materials and / or by a coating diffusion-tight and acts on the Hydraulic medium by its elasticity with a pressure.
- the invention is not limited to those shown Embodiments limited and z. B. also for internal opening fuel injectors are 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 vereinfachte schematische axiale Schnittdarstellung durch das Ausführungsbeispiel eines erfindungsgemäßen Brennstoffeinspritzventils.
Claims (14)
- Brennstoffeinspritzventil (1), insbesondere zum direkten Einspritzen von Brennstoff in einen Brennraum einer Brennkraftmaschine, mit einem piezoelektrischen, elektrostriktiven oder magnetostriktiven Aktor (2), einem mit dem Aktor (2) in Wirkverbindung stehenden Ventilschließkörper (7), der mit einer Ventilsitzfläche (13) zu einem Dichtsitz zusammenwirkt, und einem Koppler (3), der einen ersten Koppler-Abschnitt (23) und einen zweiten Koppler-Abschnitt (24) aufweist, wobei die beiden Koppler-Abschnitte (23, 24) gegeneinander beweglich sind und miteinander über ein in einem Hydraulik-Volumen (36) befindliches Hydraulikmedium in Wirkverbindung stehen, wobei das Hydraulik-Volumen (36) mit zumindest einem Ausgleichsraum (14) zum Austausch von Hydraulikmedium in Verbindung steht und wobei zumindest einer der Koppler-Abschnitte (23, 24) mit einem Spiel (32), welches durch einen Spalt (25) gebildet ist, geführt ist,
dadurch gekennzeichnet, daß zumindest ein Ausgleichselement (15) die temperaturbedingten Volumenänderungen des Hydraulikmediums ausgleicht, wobei das Ausgleichselement (15) das Hydraulik-Volumen (36) wenigstens teilweise begrenzt und/oder im Hydraulik-Volumen (36) angeordnet ist. - Brennstoffeinspritzung nach Anspruch 1,
dadurch gekennzeichnet, daß das Ausgleichselement (15) bei den Betriebstemperaturen des Brennstoffeinspritzventils (1), insbesondere zwischen 20° Celsius und 100° Celsius, einen festen Aggregatzustand aufweist. - Brennstoffeinspritzventil nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß der erste Koppler-Abschnitt (23) durch eine einseitig geschlossene hohlzylindrische Form (17) gebildet ist, in den der zylindrisch ausgebildete zweite Koppler-Abschnitt (24) wenigstens teilweise eingreift und dabei den Spalt (25) bildet. - Brennstoffeinspritzventil nach Anspruch 3,
dadurch gekennzeichnet,
das der zweite Koppler-Abschnitt (24) wenigstens teilweise aus dem Ausgleichselement (15) besteht. - Brennstoffeinspritzventil nach Anspruch 3 oder 4,
dadurch gekennzeichnet, daß in zumindest einem der Koppler-Abschnitte (23, 24) zumindest eine zum Hydraulik-Volumen (36) unmittelbar geöffnete Ausnehmung (16) eingebracht ist und in der Ausnehmung (16) das zumindest eine Ausgleichselement (15) angeordnet ist. - Brennstoffeinspritzventil nach Anspruch 5,
dadurch gekennzeichnet, daß die gesamte Außenfläche des Ausgleichselements (15) mit dem Hydraulikmedium in Kontakt steht. - Brennstoffeinspritzventil nach einem der Ansprüche 3 bis 6,
dadurch gekennzeichnet, daß das Ausgleichselement (15) einen geringeren Temperatur-Ausdehnungskoeffizienten aufweist als das Hydraulikmedium und/oder als die Materialien aus denen der erste Koppler-Abschnitt (24) im Bereich des Hydraulik-Volumens (36) besteht. - Brennstoffeinspritzventil nach einem der Ansprüche 3 bis 7,
dadurch gekennzeichnet, daß das Ausgleichselement (15) aus Invar-Stahl besteht. - Brennstoffeinspritzventil nach Anspruch 3,
dadurch gekennzeichnet, daß zumindest ein Teil des ersten Koppler-Abschnitts (23), insbesondere im Bereich der hohlzylindrischen Form (17), aus dem Ausgleichselement (15) besteht. - Brennstoffeinspritzventil nach Anspruch 9,
dadurch gekennzeichnet, daß der Temperatur-Ausdehnungskoeffizient des Ausgleichselements (15) größer oder gleich dem des Hydraulikmediums ist. - Brennstoffeinspritzventil nach Anspruch 9 oder 10,
dadurch gekennzeichnet, daß das Ausgleichselement (15) wenigstens teilweise aus einer Kupfer-Zinn-Legierung, Kupfer-Zink-Legierung, Aluminium oder einem thermoplastischen Werkstoff besteht. - Brennstoffeinspritzventil nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß ein flexibler Abschnitt (27) einen Ausgleichsraum (14) wenigsten teilweise begrenzt. - Brennstoffeinspritzventil nach Anspruch 12,
dadurch gekennzeichnet, daß der flexible Abschnitt (27) lochscheibenförmig oder wellrohrförmig ausgebildet ist. - Brennstoffeinspritzventile nach einem der vorangegangenen Ansprüche,
dadurch gekennzeichnet, daß das Hydraulikmedium ein Öl oder Gel ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003145203 DE10345203A1 (de) | 2003-09-29 | 2003-09-29 | Brennstoffeinspritzventil |
DE10345203 | 2003-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1519037A1 true EP1519037A1 (de) | 2005-03-30 |
EP1519037B1 EP1519037B1 (de) | 2006-07-05 |
Family
ID=34178010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040104647 Expired - Lifetime EP1519037B1 (de) | 2003-09-29 | 2004-09-24 | Brennstoffeinspritzventil |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1519037B1 (de) |
DE (2) | DE10345203A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1591656A2 (de) * | 2004-04-26 | 2005-11-02 | Isuzu Motors Limited | Längen-Ausgleichselement und dieses enthaltendes Kraftstoff-Einspritzventil |
EP1705369A1 (de) * | 2005-03-01 | 2006-09-27 | Robert Bosch Gmbh | Kraftstoffinjektor für Verbrennungskraftmaschinen |
EP1813805A1 (de) * | 2006-01-27 | 2007-08-01 | Siemens VDO Automotive S.p.A. | Kompensationsvorrichtung für einen Injektor |
WO2012007311A1 (de) * | 2010-07-15 | 2012-01-19 | Siemens Aktiengesellschaft | Thermisch volumenneutraler hubübertrager, insbesondere bei einem dosierventil ohne hydraulischen kompensator |
EP3118443A1 (de) * | 2015-07-15 | 2017-01-18 | Delphi International Operations Luxembourg S.à r.l. | Servoantrieb für kraftstoffinjektor |
EP3139028A1 (de) | 2015-09-03 | 2017-03-08 | Delphi International Operations Luxembourg S.à r.l. | Zweiseitig gesockelte koppler für stellantrieb |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035087B4 (de) * | 2008-07-28 | 2015-02-12 | Continental Automotive Gmbh | Einspritzventil |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3533085A1 (de) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Zumessventil zur dosierung von fluessigkeiten oder gasen |
EP0869278A1 (de) * | 1997-04-04 | 1998-10-07 | Siemens Aktiengesellschaft | Einspritzventil mit Mitteln zur Kompensation der thermischen Längenänderung eines Piezoaktors |
DE19727992A1 (de) * | 1997-07-01 | 1999-01-07 | Siemens Ag | Ausgleichselement zur Kompensation temperaturbedingter Längenänderung eines Objektes |
WO2001023745A1 (de) * | 1999-09-30 | 2001-04-05 | Robert Bosch Gmbh | Ventil zum steuern von flüssigkeiten |
WO2001025613A1 (de) * | 1999-10-02 | 2001-04-12 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
US20020134851A1 (en) * | 2000-10-11 | 2002-09-26 | Jack Lorraine | Compensator assembly having a pressure responsive valve for a solid state actuator of a fuel injector |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19940055C1 (de) * | 1999-08-24 | 2001-04-05 | Siemens Ag | Dosierventil |
DE19940054C2 (de) * | 1999-08-24 | 2003-11-27 | Siemens Ag | Dosierventil für ein unter Druck stehendes Fluid |
DE19950760A1 (de) * | 1999-10-21 | 2001-04-26 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
-
2003
- 2003-09-29 DE DE2003145203 patent/DE10345203A1/de not_active Withdrawn
-
2004
- 2004-09-24 EP EP20040104647 patent/EP1519037B1/de not_active Expired - Lifetime
- 2004-09-24 DE DE200450000909 patent/DE502004000909D1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3533085A1 (de) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Zumessventil zur dosierung von fluessigkeiten oder gasen |
EP0869278A1 (de) * | 1997-04-04 | 1998-10-07 | Siemens Aktiengesellschaft | Einspritzventil mit Mitteln zur Kompensation der thermischen Längenänderung eines Piezoaktors |
DE19727992A1 (de) * | 1997-07-01 | 1999-01-07 | Siemens Ag | Ausgleichselement zur Kompensation temperaturbedingter Längenänderung eines Objektes |
WO2001023745A1 (de) * | 1999-09-30 | 2001-04-05 | Robert Bosch Gmbh | Ventil zum steuern von flüssigkeiten |
WO2001025613A1 (de) * | 1999-10-02 | 2001-04-12 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
US20020134851A1 (en) * | 2000-10-11 | 2002-09-26 | Jack Lorraine | Compensator assembly having a pressure responsive valve for a solid state actuator of a fuel injector |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1591656A2 (de) * | 2004-04-26 | 2005-11-02 | Isuzu Motors Limited | Längen-Ausgleichselement und dieses enthaltendes Kraftstoff-Einspritzventil |
EP1591656A3 (de) * | 2004-04-26 | 2005-11-23 | Isuzu Motors Limited | Längen-Ausgleichselement und dieses enthaltendes Kraftstoff-Einspritzventil |
US7198202B2 (en) | 2004-04-26 | 2007-04-03 | Isuzu Motors Limited | Differential expansion absorption mechanism and fuel injection valve comprising same |
EP1705369A1 (de) * | 2005-03-01 | 2006-09-27 | Robert Bosch Gmbh | Kraftstoffinjektor für Verbrennungskraftmaschinen |
EP1813805A1 (de) * | 2006-01-27 | 2007-08-01 | Siemens VDO Automotive S.p.A. | Kompensationsvorrichtung für einen Injektor |
WO2012007311A1 (de) * | 2010-07-15 | 2012-01-19 | Siemens Aktiengesellschaft | Thermisch volumenneutraler hubübertrager, insbesondere bei einem dosierventil ohne hydraulischen kompensator |
CN102971522A (zh) * | 2010-07-15 | 2013-03-13 | 西门子公司 | 热方面体积中性的尤其无液压补偿器的计量阀的行程传送器 |
CN102971522B (zh) * | 2010-07-15 | 2015-04-29 | 西门子公司 | 行程传送器和具有行程传送器的计量阀及计量阀用途 |
US9587609B2 (en) | 2010-07-15 | 2017-03-07 | Siemens Aktiengesellschaft | Thermally volume-neutral stroke transmitter, in particular for metering valve without hydraulic compensator |
EP3118443A1 (de) * | 2015-07-15 | 2017-01-18 | Delphi International Operations Luxembourg S.à r.l. | Servoantrieb für kraftstoffinjektor |
EP3139028A1 (de) | 2015-09-03 | 2017-03-08 | Delphi International Operations Luxembourg S.à r.l. | Zweiseitig gesockelte koppler für stellantrieb |
Also Published As
Publication number | Publication date |
---|---|
EP1519037B1 (de) | 2006-07-05 |
DE10345203A1 (de) | 2005-05-04 |
DE502004000909D1 (de) | 2006-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1149237B2 (de) | Brennstoffeinspritzventil | |
WO1994019597A1 (de) | Zumessvorrichtung für fluide | |
EP2414662B1 (de) | Hydraulischer hubübertrager bzw. hubübersetzer | |
EP1519037B1 (de) | Brennstoffeinspritzventil | |
DE10217594A1 (de) | Brennstoffeinspritzventil | |
EP1378657B1 (de) | Brennstoffeinspritzventil | |
DE10019764A1 (de) | Ventil zum Steuern von Flüssigkeiten | |
EP1454056B1 (de) | Brennstoffeinspritzventil | |
EP1601868B1 (de) | Brennstoffeinspritzventil | |
EP1519035A1 (de) | Brennstoffeinspritzventil | |
EP1538331B1 (de) | Brennstoffeinspritzventil | |
WO2004081372A1 (de) | Brennstoffeinspritzventil | |
EP2898212B1 (de) | Brennstoffeinspritzventil | |
EP1519034B1 (de) | Brennstoffeinspritzventil | |
EP1544454B1 (de) | Brennstoffeinspritzventil | |
EP1452727B1 (de) | Brennstoffeinspritzventil | |
DE10332090B4 (de) | Brennstoffeinspritzventil | |
DE10332088A1 (de) | Brennstoffeinspritzventil | |
WO2005050001A1 (de) | Brennstoffeinspritzventil | |
EP1450034B1 (de) | Brennstoffeinspritzventil | |
EP1406006B1 (de) | Brennstoffeinspritzventil | |
EP1491760B1 (de) | Brennstoffeinspritzventil | |
DE10232194B4 (de) | Brennstoffeinspritzventil | |
WO2006128751A1 (de) | Common-rail-injektor | |
DE102005045892A1 (de) | Direktbetriebener, außenöffnender Injektor |
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 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
17P | Request for examination filed |
Effective date: 20050930 |
|
AKX | Designation fees paid |
Designated state(s): DE FR GB IT |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 502004000909 Country of ref document: DE Date of ref document: 20060817 Kind code of ref document: P |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20061006 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20070410 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20140923 Year of fee payment: 11 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20140924 Year of fee payment: 11 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20140917 Year of fee payment: 11 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150924 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20150924 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20160531 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150924 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150930 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20171128 Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502004000909 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190402 |