DE102004057873A1 - Seat valve for flow rate control of common rail high pressure pump, has servo equipment adjusting closure unit, where closure unit closing conduit system in inactivated condition of servo unit is arranged on inflow side of seat - Google Patents
Seat valve for flow rate control of common rail high pressure pump, has servo equipment adjusting closure unit, where closure unit closing conduit system in inactivated condition of servo unit is arranged on inflow side of seat Download PDFInfo
- Publication number
- DE102004057873A1 DE102004057873A1 DE102004057873A DE102004057873A DE102004057873A1 DE 102004057873 A1 DE102004057873 A1 DE 102004057873A1 DE 102004057873 A DE102004057873 A DE 102004057873A DE 102004057873 A DE102004057873 A DE 102004057873A DE 102004057873 A1 DE102004057873 A1 DE 102004057873A1
- Authority
- DE
- Germany
- Prior art keywords
- seat
- closing element
- valve according
- actuating
- closing
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- F16K31/0665—Lift valves with valve member being at least partially ball-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0651—One-way valve the fluid passing through the solenoid coil
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Sitzventil mit einem Leitungssystem zum Hindurchleiten eines Mediums, welches auf einer Zuflussseite zufließt. Das Sitzventil weist im Leitungssystem einen Sitz und ein verstellbares Schließelement zum zumindest teilweisen Verschließen und Öffnen des Leitungssystems für das Medium auf. Eine Stelleinrichtung dient zum Verschließen des Schließelements, wobei die Stelleinrichtung üblicherweise eine Spule und einen Anker aufweist. Das Schließelement dient im unbetätigten Zustand der Stelleinrichtung zum Verschließen des Leitungssystems. Es handelt sich um einen konstruktiven Aufbau eines stromlos geschlossenen Sitzventils, das proportional einen Volumenstrom oder Druck steuern kann. Bei einer derartigen Ausführung eines Sitzventils arbeitet der Proportionalmagnet, welcher durch die Spulen- und Ankeranordnung ausgebildet wird, gegen den Druck an, dies beispielsweise bei einem Aufbau mit Düse und Prallplatte. Durch eine Druckfeder sind solche Sitzventile stromlos geschlossen. Nachteilhaft bei solchen Sitzventilen kann der definierte Ventilöffnungsdruck sein, der durch die Druckfeder vorgegeben ist.The The invention relates to a seat valve with a conduit system for passing a medium which is on an inflow side accrues. The Seat valve has a seat and an adjustable in the pipe system closing element for at least partially closing and opening the conduit system for the medium on. An actuating device serves to close the closing element, the adjusting device usually having a coil and an armature. The closing element serves in the unactuated state the adjusting device for closing the conduit system. It is a structural design of a normally closed seat valve, which can proportionally control a flow or pressure. at such an embodiment a seat valve, the proportional solenoid, which works by the coil and armature assembly is formed against the pressure on, for example, in a construction with nozzle and baffle plate. By a Compression spring, such poppet valves are normally closed. disadvantageous in such poppet valves, the defined valve opening pressure be, which is predetermined by the compression spring.
Die Aufgabe der Erfindung besteht darin, ein Sitzventil vorzuschlagen, welches druckunabhängig stromlos geschlossen ist.The The object of the invention is to propose a seat valve, which pressure independent de-energized closed is.
Diese Aufgabe wird durch ein Sitzventil mit den Merkmalen des Patentanspruchs 1 gelöst.These The object is achieved by a seat valve with the features of the claim 1 solved.
Bevorzugt wird demgemäss ein Sitzventil mit einem Leitungssystem zum Hindurchleiten eines auf einer Zuflussseite zufließenden Mediums, mit einem Sitz und einem verstellbaren Schließelement im Leitungssystem zum zumindest teilweisen Verschließen und Öffnen des Leitungssystems für das Mediums und mit einer Stelleinrichtung zum Verstellen des Schließelements, wobei das Schließelement im unbetätigten Zustand der Stelleinrich tung das Leitungssystem verschließt und wobei das Schließelement vorteilhafterweise auf der Zuflussseite des Sitzes angeordnet ist.Prefers is accordingly a seat valve with a conduit system for passing a on a tributary inflowing Medium, with a seat and an adjustable closing element in the conduit system for at least partially closing and opening the Management system for the medium and with an adjusting device for adjusting the closing element, the closing element in the unactuated Condition of Stelleinrich device closes the line system and where the closing element advantageously is arranged on the inflow side of the seat.
Vorteilhafte Ausgestaltungen sind Gegenstand von abhängigen Ansprüchen.advantageous Embodiments are the subject of dependent claims.
Bevorzugt wird insbesondere ein Sitzventil, bei dem das Schließelement dimensioniert, ausgebildet und angeordnet ist, im verschließenden Zustand von einem Druck des Mediums gegen den Sitz drückbar zu sein.Prefers in particular, a seat valve, wherein the closing element dimensioned, designed and arranged, in the closing state of a pressure of the medium to be pressed against the seat.
Bevorzugt wird insbesondere ein Sitzventil mit einem elastischen Element zum Spannen des Schließelements gegen den Sitz, wobei das elastische Element das Schließelement von der Zuflussseite aus gegen den Sitz drückt.Prefers In particular, a seat valve with an elastic element for Clamping the closing element against the seat, wherein the elastic element is the closing element pushes against the seat from the inflow side.
Bevorzugt wird insbesondere ein Sitzventil mit zumindest einem elastischen Element zum Spannen der Stelleinrichtung entgegen einer Betätigungsrichtung zum Betätigen des Schließelements.Prefers In particular, a seat valve with at least one elastic Element for clamping the adjusting device against an actuating direction to operate of the closing element.
Bevorzugt wird insbesondere ein Sitzventil mit dem elastischen Element zum Spannen des Schließelements gegen den Sitz und mit einem weiteren elastischen Element zum spannen der Stelleinrichtung entgegen der Betätigungsrichtung.Prefers In particular, a seat valve with the elastic element for Clamping the closing element against the seat and with another elastic element for tensioning the adjusting device against the operating direction.
Bevorzugt wird insbesondere ein Sitzventil, wobei die Stelleinrichtung am Schließelement der Zuflussseite gegenüberliegend angeordnet ist zum Betätigen des Schließelements entgegen der Zuflussrichtung.Prefers In particular, a seat valve, wherein the adjusting device on closing element opposite the inflow side is arranged to press of the closing element against the inflow direction.
Bevorzugt wird insbesondere ein Sitzventil, bei dem ein Stellelement der Stelleinrichtung durch den Sitz hindurch gegen das Schließelement geführt ist.Prefers In particular, a seat valve, in which an actuating element of the adjusting device passed through the seat against the closing element.
Bevorzugt wird insbesondere ein Sitzventil, bei dem die Stelleinrichtung einen elektromagnetischen Antrieb mit einem Anker aufweist.Prefers In particular, a seat valve, in which the adjusting device a having electromagnetic drive with an armature.
Bevorzugt wird insbesondere ein Sitzventil, bei dem in und entgegen einer Betätigungsrichtung des Ankers jeweils ein elastisches Element bzw. ein elastisches Ausgleichselement zum Vorspannen der Stelleinrichtung gegen das Schließelement angeordnet ist.Prefers In particular, a seat valve, in which in and against a Actuation direction of Anchor each an elastic element or an elastic compensation element for biasing the actuating device against the closing element is arranged.
Bevorzugt wird insbesondere ein Sitzventil, bei dem das bzw. die elastischen Elemente durch Federn ausgebildet sind.Prefers In particular, a seat valve, in which the elastic or the Elements are formed by springs.
Bevorzugt wird insbesondere ein Sitzventil, bei dem der Sitz längs einer Betätigungsachse der Stelleinrichtung angeordnet ist.Prefers In particular, a seat valve in which the seat along a operating axis the adjusting device is arranged.
Durch das Sitzventil wird eine konstruktive Ausgestaltung vorgeschlagen, bei der das Ventil druckunabhängig stromlos geschlossen ist. Dabei wird der Dichtsitz geschlossen, indem das Schließelement durch den Druck des Mediums oder einer Feder niedergehalten wird. In diesem Fall kann der Magnet der Stelleinrichtung keine proportionale Steuerung gegen den Druck des Mediums vornehmen, da eine Stromerhöhung ein sofortiges öffnen des Sitzes bewirken würden. Das proportionale Sitzventil ist entsprechend derart aufgebaut, dass der Magnet bzw. Elektromagnet gegen zumindest eine Feder arbeitet.By the seat valve is proposed a structural design, at the valve pressure independent is closed normally. The sealing seat is closed, by the closing element is held down by the pressure of the medium or a spring. In this case, the magnet of the actuator can not be proportional Control against the pressure of the medium make, as a power increase open immediately of the seat. The proportional seat valve is constructed according to such that the magnet or electromagnet works against at least one spring.
Die Konstruktion des Sitzventils ermöglicht vorteilhaft einen einfachen konstruktiven Aufbau, welcher fertigungstechnisch günstig gestaltet ist und dadurch leicht montiert werden kann. Insbesondere ergibt sich dadurch ein günstiger Herstellungspreis.The construction of the seat valve advantageously allows a simple structural design, which is designed to be low in terms of manufacturing and can be easily mounted. In particular, this results in a cheaper production price.
Das bevorzugte proportionale Sitzventil ist stromlos geschlossen. Das Schließelement befindet sich auf der Druckseite, wobei der Sitz geschlossen wird, indem der Druck des Mediums und/oder einer Feder das Schließelement gegen den Sitz abdichtet. Das proportionale Sitzventil basiert hinsichtlich der Wirkungsweise darauf, dass der Magnet gegen eine Feder arbeitet. Vorzugsweise ist der Magnetanker der Stelleinrichtung zwischen zwei Federn eingespannt, wobei anstelle beschriebener Schraubenfedern beispielsweise auch Membranfedern eingesetzt werden können. Ein Toleranzausgleich wird vorgenommen, bei dem der Ventilsitz auf der Betätigungsachse bzw. Spulenachse der Stelleinrichtung aufgesetzt ist.The preferred proportional seat valve is normally closed. The closing element is on the pressure side, with the seat closed, by the pressure of the medium and / or a spring the closing element seals against the seat. The proportional seat valve is based in terms of the effect on the fact that the magnet works against a spring. Preferably, the armature of the actuator is between two Springs clamped, wherein instead of described coil springs For example, diaphragm springs can be used. One Tolerance compensation is made, in which the valve seat on the operating axis or coil axis of the adjusting device is placed.
Ein Ausführungsbeispiel wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigt:One embodiment will be explained in more detail with reference to the drawing. It shows:
Wie
aus
In
vorderseitiger Richtung bzw. ventilseitiger Richtung des Ankers
Der
Sitz
Zum
Verschließen
der Öffnung
des Sitzes
Zum
teilweisen oder vollständigen Öffnen des
Ventils für
den Durchfluss des Mediums wird durch anlegen eines Stroms bzw. einer
Spannung an die Spule
Der
Anker
Das
weitere elastische Element
Das erfindungsgemäße Sitzventil wird bevorzugt in Hochdruckanwendungen verwendet, insbesondere zur Volumenstromregelung bei Hochdruckpumpen, wie sie beispielsweise in Common-Rail-Systemen von Kraftfahrzeugen Anwendung finden. Die Verwendung des erfindungsgemäßen Sitzventils ist jedoch keinesfalls auf diesen Einsatzbereich beschränkt. Vielmehr kann es auch die anderen Hoch- oder Niederdruckumgebungen vorteilhaft eingesetzt werden.The Poppet according to the invention is preferably used in high-pressure applications, in particular for Volume flow control in high-pressure pumps, as for example in common rail systems apply to motor vehicles application. The use of the seat valve according to the invention however, is by no means limited to this field of application. Much more It can also be the other high or low pressure environments advantageous be used.
Weiterhin kann das erfindungsgemäße Sitzventil in seiner konstruktiven Ausgestaltung normal geschlossen oder normal geöffnet ausgeführt werden. Vorzugsweise ist es jedoch normal geschlossen ausgeführt.Farther can the seat valve according to the invention Normally closed or normal in its structural design open accomplished become. Preferably, however, it is designed to be normally closed.
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004057873.7A DE102004057873C5 (en) | 2003-12-01 | 2004-11-30 | poppet valve |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10356645A DE10356645A1 (en) | 2003-12-01 | 2003-12-01 | Proportional valve has magnetic anchor which is closed by pressure or spring when no current flows through coil and opens against force of spring system , allowing proportional fluid flow |
DE10356645.7 | 2003-12-01 | ||
DE102004057873.7A DE102004057873C5 (en) | 2003-12-01 | 2004-11-30 | poppet valve |
Publications (3)
Publication Number | Publication Date |
---|---|
DE102004057873A1 true DE102004057873A1 (en) | 2005-06-30 |
DE102004057873B4 DE102004057873B4 (en) | 2010-06-17 |
DE102004057873C5 DE102004057873C5 (en) | 2018-03-29 |
Family
ID=34609470
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10356645A Withdrawn DE10356645A1 (en) | 2003-12-01 | 2003-12-01 | Proportional valve has magnetic anchor which is closed by pressure or spring when no current flows through coil and opens against force of spring system , allowing proportional fluid flow |
DE202004021836U Expired - Lifetime DE202004021836U1 (en) | 2003-12-01 | 2004-11-30 | poppet valve |
DE102004057873.7A Active DE102004057873C5 (en) | 2003-12-01 | 2004-11-30 | poppet valve |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10356645A Withdrawn DE10356645A1 (en) | 2003-12-01 | 2003-12-01 | Proportional valve has magnetic anchor which is closed by pressure or spring when no current flows through coil and opens against force of spring system , allowing proportional fluid flow |
DE202004021836U Expired - Lifetime DE202004021836U1 (en) | 2003-12-01 | 2004-11-30 | poppet valve |
Country Status (1)
Country | Link |
---|---|
DE (3) | DE10356645A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007026834A1 (en) | 2007-06-06 | 2008-12-11 | Hydraulik-Ring Gmbh | Electromagnetic control valve e.g. for internal combustion engine, has valve unit, full valve casing, inlet port, consumer connection and piston valve which is relocatable compared with valve casing |
DE102008010649A1 (en) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Electromagnetic actuator unit for regulating central valve of internal combustion engine of motor vehicle, has armature and coil movable together, where armature is arranged in direction of axial adjustment produced by fields of coil on pin |
DE102008010648A1 (en) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Electromagnetic actuator for use as central magnet of hydraulic directional valve in inner motor of internal combustion engine of motor vehicle, has pressure pin supported in inner bearing part tiltably supported on outer bearing part |
DE102008010646A1 (en) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Electromagnetic actuator i.e. central magnet, for adjusting central valve in internal combustion engine of motor vehicle, has bearing surface whose cross section lying in axis of pin is sectionally formed in convex manner against pin |
DE102008059012A1 (en) | 2008-11-26 | 2010-05-27 | Schaeffler Kg | Electromagnetic actuator for a hydraulic directional control valve and method for its assembly |
DE102009006355A1 (en) | 2009-01-28 | 2010-07-29 | Schaeffler Technologies Gmbh & Co. Kg | Proportional magnet for a hydraulic directional valve and method for its production |
DE102010020834A1 (en) | 2010-05-18 | 2011-11-24 | Kendrion Binder Magnete Gmbh | Electromagnetic regulating valve has valve body with axial feed channel and radial discharge channel for conveying fluid, where connecting opening connects feed cannel with discharge channel as bypass |
DE202015100601U1 (en) | 2015-02-09 | 2015-03-06 | Kendrion (Villingen) Gmbh | Seat valve for at least partially closing and opening a conduit system |
DE102015101588A1 (en) | 2015-02-04 | 2016-08-04 | Kendrion (Villingen) Gmbh | poppet valve |
DE102015109077A1 (en) | 2015-06-09 | 2016-12-15 | Kendrion (Villingen) Gmbh | Flow controlled seat valve |
DE102015111813A1 (en) | 2015-07-21 | 2017-01-26 | Kendrion (Villingen) Gmbh | poppet valve |
US20190291706A1 (en) * | 2018-03-21 | 2019-09-26 | Hyundai Mobis Co., Ltd. | Pressure control valve for vehicle |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2243382C2 (en) | 1972-09-04 | 1983-01-05 | Hoerbiger Hydraulik KG, 8920 Schongau | Electromagnetically operated hydraulic valve |
DE4033946C2 (en) | 1990-10-25 | 1999-11-11 | Rausch & Pausch | Hydraulic 2-2 way magnetic valve - has 2 valve elements raised simultaneously from valve seats via magnetic armature |
US5606992A (en) | 1994-05-18 | 1997-03-04 | Coltec Industries Inc. | Pulse width modulated solenoid |
US5950984A (en) | 1997-11-03 | 1999-09-14 | Spx Corporation | Solenoid valve |
DE19810241C2 (en) | 1998-03-10 | 2001-07-05 | Bosch Gmbh Robert | Electromagnetic directional control valve |
JP2001263526A (en) | 2000-03-16 | 2001-09-26 | Mitsubishi Electric Corp | Solenoid valve |
DE10308482B4 (en) | 2002-02-26 | 2006-11-09 | Kendrion Binder Magnete Gmbh | Solenoid valve |
US6866063B2 (en) | 2002-09-06 | 2005-03-15 | Delphi Technologies, Inc. | Low leak pressure control actuator |
US6827102B2 (en) | 2003-04-25 | 2004-12-07 | Delphi Technologies, Inc. | Three port-two way solenoid valve |
-
2003
- 2003-12-01 DE DE10356645A patent/DE10356645A1/en not_active Withdrawn
-
2004
- 2004-11-30 DE DE202004021836U patent/DE202004021836U1/en not_active Expired - Lifetime
- 2004-11-30 DE DE102004057873.7A patent/DE102004057873C5/en active Active
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007026834A1 (en) | 2007-06-06 | 2008-12-11 | Hydraulik-Ring Gmbh | Electromagnetic control valve e.g. for internal combustion engine, has valve unit, full valve casing, inlet port, consumer connection and piston valve which is relocatable compared with valve casing |
DE102008010649A1 (en) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Electromagnetic actuator unit for regulating central valve of internal combustion engine of motor vehicle, has armature and coil movable together, where armature is arranged in direction of axial adjustment produced by fields of coil on pin |
DE102008010648A1 (en) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Electromagnetic actuator for use as central magnet of hydraulic directional valve in inner motor of internal combustion engine of motor vehicle, has pressure pin supported in inner bearing part tiltably supported on outer bearing part |
DE102008010646A1 (en) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Electromagnetic actuator i.e. central magnet, for adjusting central valve in internal combustion engine of motor vehicle, has bearing surface whose cross section lying in axis of pin is sectionally formed in convex manner against pin |
DE102008059012A1 (en) | 2008-11-26 | 2010-05-27 | Schaeffler Kg | Electromagnetic actuator for a hydraulic directional control valve and method for its assembly |
WO2010060690A1 (en) | 2008-11-26 | 2010-06-03 | Schaeffler Technologies Gmbh & Co. Kg | Electromagnetic actuating unit for a hydraulic directional control valve and method for the assembly thereof |
US8350652B2 (en) | 2008-11-26 | 2013-01-08 | Schaeffler Technologies AG & Co. KG | Electromagnetic actuating unit for a hydraulic directional control valve and method for the assembly thereof |
DE102009006355A1 (en) | 2009-01-28 | 2010-07-29 | Schaeffler Technologies Gmbh & Co. Kg | Proportional magnet for a hydraulic directional valve and method for its production |
US8427263B2 (en) | 2009-01-28 | 2013-04-23 | Schaeffler Technologies AG & Co. KG | Proportional magnet for a hydraulic directional control valve and method for the production thereof |
DE102010020834A1 (en) | 2010-05-18 | 2011-11-24 | Kendrion Binder Magnete Gmbh | Electromagnetic regulating valve has valve body with axial feed channel and radial discharge channel for conveying fluid, where connecting opening connects feed cannel with discharge channel as bypass |
DE102010020834B4 (en) * | 2010-05-18 | 2012-03-29 | Kendrion Binder Magnete Gmbh | Electromagnetic control valve |
DE102015101588A1 (en) | 2015-02-04 | 2016-08-04 | Kendrion (Villingen) Gmbh | poppet valve |
DE202015100601U1 (en) | 2015-02-09 | 2015-03-06 | Kendrion (Villingen) Gmbh | Seat valve for at least partially closing and opening a conduit system |
CN105864443A (en) * | 2015-02-09 | 2016-08-17 | 康德瑞恩(菲林根)有限公司 | Seating valve for at least partially closing and opening line system |
DE102015109077A1 (en) | 2015-06-09 | 2016-12-15 | Kendrion (Villingen) Gmbh | Flow controlled seat valve |
DE102015111813A1 (en) | 2015-07-21 | 2017-01-26 | Kendrion (Villingen) Gmbh | poppet valve |
WO2017012848A1 (en) | 2015-07-21 | 2017-01-26 | Kendrion (Villingen) Gmbh | Seat valve |
DE102015111813B4 (en) | 2015-07-21 | 2017-03-02 | Kendrion (Villingen) Gmbh | poppet valve |
US20190291706A1 (en) * | 2018-03-21 | 2019-09-26 | Hyundai Mobis Co., Ltd. | Pressure control valve for vehicle |
KR20190110749A (en) * | 2018-03-21 | 2019-10-01 | 현대모비스 주식회사 | Pressure control valve for vehicle |
CN110293947A (en) * | 2018-03-21 | 2019-10-01 | 现代摩比斯株式会社 | Pressure-control valve for vehicle |
US10981553B2 (en) * | 2018-03-21 | 2021-04-20 | Hyundai Mobis Co., Ltd. | Pressure control valve for vehicle |
CN110293947B (en) * | 2018-03-21 | 2022-07-26 | 现代摩比斯株式会社 | Pressure control valve for vehicle |
KR102440010B1 (en) * | 2018-03-21 | 2022-09-05 | 현대모비스 주식회사 | Pressure control valve for vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE102004057873C5 (en) | 2018-03-29 |
DE10356645A1 (en) | 2005-06-23 |
DE202004021836U1 (en) | 2011-08-03 |
DE102004057873B4 (en) | 2010-06-17 |
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OP8 | Request for examination as to paragraph 44 patent law | ||
8363 | Opposition against the patent | ||
R082 | Change of representative |
Representative=s name: PATENTANWAELTE WESTPHAL MUSSGNUG & PARTNER, DE |
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R081 | Change of applicant/patentee |
Owner name: KENDRION (VILLINGEN) GMBH, DE Free format text: FORMER OWNER: KENDRION BINDER MAGNETE GMBH, 78048 VILLINGEN-SCHWENNINGEN, DE Effective date: 20120820 |
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R082 | Change of representative |
Representative=s name: WESTPHAL, MUSSGNUG & PARTNER PATENTANWAELTE MI, DE Effective date: 20120820 Representative=s name: PATENTANWAELTE WESTPHAL MUSSGNUG & PARTNER, DE Effective date: 20120820 |
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R006 | Appeal filed | ||
R008 | Case pending at federal patent court | ||
R034 | Decision of examining division/federal patent court maintaining patent in limited form now final | ||
R206 | Amended patent specification |