EP1223331A2 - Exhaust recirculation device for an internal combustion engine - Google Patents

Exhaust recirculation device for an internal combustion engine Download PDF

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Publication number
EP1223331A2
EP1223331A2 EP01124739A EP01124739A EP1223331A2 EP 1223331 A2 EP1223331 A2 EP 1223331A2 EP 01124739 A EP01124739 A EP 01124739A EP 01124739 A EP01124739 A EP 01124739A EP 1223331 A2 EP1223331 A2 EP 1223331A2
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EP
European Patent Office
Prior art keywords
exhaust gas
recirculation device
gas recirculation
switching element
control surface
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
Application number
EP01124739A
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German (de)
French (fr)
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EP1223331A3 (en
EP1223331B1 (en
Inventor
Osman Sari
Helmut Blank
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Pierburg GmbH
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Pierburg GmbH
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Publication of EP1223331A2 publication Critical patent/EP1223331A2/en
Publication of EP1223331A3 publication Critical patent/EP1223331A3/en
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Publication of EP1223331B1 publication Critical patent/EP1223331B1/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/70—Flap valves; Rotary valves; Sliding valves; Resilient valves
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/53—Systems for actuating EGR valves using electric actuators, e.g. solenoids
    • F02M26/54—Rotary actuators, e.g. step motors
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/50—Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities

Definitions

  • the invention relates to an exhaust gas recirculation device for an internal combustion engine with an exhaust manifold coming from an exhaust system of the internal combustion engine, the fluidic via a rotary slide valve with air inlet channels Internal combustion engine is connected, the rotary slide valve being a housing has with a disk-shaped attached on an axis of rotation Switching element which corresponds to a control surface which has openings, to which exhaust gas control channels are assigned.
  • Such an exhaust gas recirculation device is, for example, from DE - A1 - 199 41 035 known.
  • This document describes an exhaust gas recirculation device that interacts directly with the air intake ducts of the internal combustion engine.
  • a switching element of an exhaust gas recirculation valve is by a along the Air inlet ducts adjustable drive shaft adjustable. This embodiment takes up a relatively large amount of installation space and is also prone to failure external influences.
  • the object of the invention is to avoid these disadvantages and an exhaust gas recirculation device to create the more compact in construction and less susceptible to interference external influences.
  • a drive module on the housing is provided for the rotary slide valve. That way a very compact design of the exhaust gas recirculation device is created.
  • the compact embodiment further reduces the susceptibility to failure, since now Drive module and exhaust gas recirculation valve are no longer arranged separately in the engine compartment are.
  • the drive module is connected to the axis of rotation via a coupling member of the switching element connected. It has proven to be advantageous that the openings of the control surface have a defined geometric shape, such as e.g. circular, elliptical, angular, etc. in such a way that a certain flow characteristic is definable.
  • Ceramic has proven to be advantageous as a material for the control surfaces proven, the control surface furthermore has scraping edges which are in contact with the switching element for the frictional forces between To keep the switching element and control surface as small as possible.
  • That in the example disk-shaped switching element shown is for a four-cylinder internal combustion engine circular in cross-section with corresponding through openings or cross-shaped.
  • the fact that the switching element by means of a The spring function is biased against the control surface, the sealing function of the exhaust gas recirculation valve guaranteed, it is particularly advantageous if that Switching element can be driven by a gimbal-connected driver.
  • Figure 1 shows a perspective view of an exhaust gas recirculation device according to the invention 1, in which the front housing wall for a better representation was omitted.
  • Part of an exhaust manifold 2 is shown, the opens into a housing 3.
  • This exhaust manifold 2 is via a rotary slide valve 4 connected to exhaust gas control channels 5, which in turn are known Way open air intake channels of the internal combustion engine, not shown.
  • a drive module 6 for the rotary slide valve 4 is arranged.
  • FIG. 2 shows the exhaust gas recirculation device from Figure 1 in section.
  • the drive module 6, which is designed in a known manner as an electrical drive module, drives a shaft 7, the one via a coupling member 8 with an axis of rotation 9
  • Switching element 10 is connected.
  • the disc-shaped, in cross section circular switching element 10 driven by a driver 11, the switching element 10 gimbally suspended on the driver 11 is.
  • the switching element 10 has passage openings 12 for exhaust gas recirculation on (see FIG. 1) which correspond to openings 13 of a control surface 14.
  • openings 13 are assigned to the exhaust gas control channels 5.
  • control surface 14 is made of one made of ceramic material and has scraping edges 15, the one as possible enable smooth adjustment of the switching element 10 and deposits should prevent.
  • this is furthermore Switching element 10 opposite by a spring 16, which is supported on the axis of rotation 9 the control surface 14 biased, whereby in the closed state of the rotary valve 4, the tightness is guaranteed.
  • the openings 13 of the control surface 14 can have a defined geometric shape have, such as circular elliptical, angular, etc., such that in this way a specific flow characteristic for the exhaust gas recirculation flow can be defined.
  • Figure 3 shows an alternative embodiment of the switching element 10, which in this case is cruciform, the spaces 17 with the Openings 13 of the control surface correspond.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

An exhaust gas recirculation device (1) for an internal combustion engine comprises an exhaust gas collection line (2) from an outlet system of the engine connected via a rotary disk valve (4) to air inlet channels of the engine. The rotary disk valve has a housing (3) with a switch element corresponding to a control surface having openings to which exhaust gas control channels (5) are assigned. A drive module (6) for the rotary disk valve is provided on the housing. Preferred Features: The drive module is connected via a coupling organ to the axis of rotation of the switch element. The openings of the control surface have a definite geometric shape, e.g. round, elliptical, etc., defining a certain flow characteristic.

Description

Die Erfindung betrifft eine Abgasrückführeinrichtung für eine Brennkraftmaschine mit einer von einem Auslaßsystem der Brennkraftmaschine kommenden Abgassammelleitung, die über ein Drehschieberventil fluidisch mit Lufteinlaßkanälen der Brennkraftmaschine in Verbindung steht, wobei das Drehschieberventil ein Gehäuse aufweist mit einem auf einer Drehachse befestigten scheibenförmigen Schaltelement, das mit einer Steuerfläche korrespondiert, die Öffnungen aufweist, denen Abgassteuerkanäle zugeordnet sind.The invention relates to an exhaust gas recirculation device for an internal combustion engine with an exhaust manifold coming from an exhaust system of the internal combustion engine, the fluidic via a rotary slide valve with air inlet channels Internal combustion engine is connected, the rotary slide valve being a housing has with a disk-shaped attached on an axis of rotation Switching element which corresponds to a control surface which has openings, to which exhaust gas control channels are assigned.

Eine derartige Abgasrückführeinrichtung ist beispielsweise aus der DE - A1 - 199 41 035 bekannt. Diese Druckschrift beschreibt eine Abgasrückführeinrichtung, die unmittelbar mit den Lufteinlaßkanälen der Brennkraftmaschine zusammenwirkt. Ein Schaltelement eines Abgasrückführventiles ist dabei durch eine entlang der Lufteinlaßkanäle verlaufende Antriebswelle verstellbar. Diese Ausführungsform nimmt relativ viel Bauraum in Anspruch und ist darüber hinaus störanfällig gegenüber äußeren Einflüssen.Such an exhaust gas recirculation device is, for example, from DE - A1 - 199 41 035 known. This document describes an exhaust gas recirculation device that interacts directly with the air intake ducts of the internal combustion engine. A switching element of an exhaust gas recirculation valve is by a along the Air inlet ducts adjustable drive shaft adjustable. This embodiment takes up a relatively large amount of installation space and is also prone to failure external influences.

Aufgabe der Erfindung ist es, diese Nachteile zu vermeiden und eine Abgasrückführeinrichtung zu schaffen, die kompakter im Aufbau und störunanfällig gegenüber äußeren Einflüssen ist.The object of the invention is to avoid these disadvantages and an exhaust gas recirculation device to create the more compact in construction and less susceptible to interference external influences.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß am Gehäuse ein Antriebsmodul für das Drehschieberventil vorgesehen ist. Auf diese Art und Weise wird eine sehr kompakte Bauform der Abgasrückführeinrichtung geschaffen. Die kompakte Ausführungsform vermindert des weiteren die Störanfälligkeit, da nun Antriebsmodul und Abgasrückführventil nicht mehr getrennt im Motorraum angeordnet sind. Das Antriebsmodul ist dabei über ein Kupplungsorgan mit der Drehachse des Schaltelementes verbunden. Als vorteilhaft hat es sich erwiesen, daß die Öffnungen der Steuerfläche eine definierte geometrische Form aufweisen, wie z.B. kreisrund, elliptisch, eckig, etc. derart, daß eine bestimmt Durchflußcharakteristik definierbar ist. Als Werkstoff für die Steuerflächen hat sich Keramik als vorteilhaft erwiesen, wobei des weiteren die Steuerfläche Schabekanten aufweist, die mit dem Schaltelement in Kontakt stehen um die Reibungskräfte zwischen Schaltelement und Steuerfläche so gering wie möglich zu halten. Das im Beispiel dargestellte scheibenförmige Schaltelement ist dabei für eine Vier-Zylinder-Brennkraftmaschine im Querschnitt kreisrund mit entsprechenden Durchtrittsöffnungen oder kreuzförmig ausgebildet. Dadurch, daß das Schaltelement mittels einer Feder gegen die Steuerfläche vorgespannt ist, ist die Dichtfunktion des Abgasrückführventils gewährleistet, wobei es besonders vorteilhaft ist, wenn das Schaltelement durch einen kardanisch verbundenen Mitnehmer antreibar ist.This object is achieved in that a drive module on the housing is provided for the rotary slide valve. That way a very compact design of the exhaust gas recirculation device is created. The compact embodiment further reduces the susceptibility to failure, since now Drive module and exhaust gas recirculation valve are no longer arranged separately in the engine compartment are. The drive module is connected to the axis of rotation via a coupling member of the switching element connected. It has proven to be advantageous that the openings of the control surface have a defined geometric shape, such as e.g. circular, elliptical, angular, etc. in such a way that a certain flow characteristic is definable. Ceramic has proven to be advantageous as a material for the control surfaces proven, the control surface furthermore has scraping edges which are in contact with the switching element for the frictional forces between To keep the switching element and control surface as small as possible. That in the example disk-shaped switching element shown is for a four-cylinder internal combustion engine circular in cross-section with corresponding through openings or cross-shaped. The fact that the switching element by means of a The spring function is biased against the control surface, the sealing function of the exhaust gas recirculation valve guaranteed, it is particularly advantageous if that Switching element can be driven by a gimbal-connected driver.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden nachfolgend beschrieben.Embodiments of the invention are shown in the drawing and are described below.

Die Zeichnung zeigt:

Figur 1
eine perspektivische Ansicht einer teilweise geöffneten Abgasrückführeinrichtung,
Figur 2
eine Schnittansicht der Abgasrückführeinrichtung aus Figur 1 und
Figur 3
eine alternative Ausführungsform eines scheibenförmigen Schaltelementes.
The drawing shows:
Figure 1
a perspective view of a partially open exhaust gas recirculation device,
Figure 2
a sectional view of the exhaust gas recirculation device of Figure 1 and
Figure 3
an alternative embodiment of a disk-shaped switching element.

Figur 1 zeigt in perspektivischer Ansicht eine erfindungsgemäße Abgasrückführeinrichtung 1, bei der zur besseren Darstellung die vordere Gehäusewandung weggelassen wurde. Dabei ist ein Teil einer Abgassammelleitung 2 dargestellt, die in ein Gehäuse 3 mündet. Diese Abgassammelleitung 2 ist über ein Drehschieberventil 4 mit Abgassteuerkanälen 5 verbunden, die wiederum auf bekannte Weise in nicht dargestellte Lufteinlaßkanäle der Brennkraftmaschine münden. Erfindungsgemäß ist nun vorgesehen, daß am Gehäuse 3 ein Antriebsmodul 6 für das Drehschieberventil 4 angeordnet ist. Figure 1 shows a perspective view of an exhaust gas recirculation device according to the invention 1, in which the front housing wall for a better representation was omitted. Part of an exhaust manifold 2 is shown, the opens into a housing 3. This exhaust manifold 2 is via a rotary slide valve 4 connected to exhaust gas control channels 5, which in turn are known Way open air intake channels of the internal combustion engine, not shown. According to the invention it is now provided that a drive module 6 for the rotary slide valve 4 is arranged.

Figur 2 zeigt die Abgasrückführeinrichtung aus Figur 1 im Schnitt. Das Antriebsmodul 6, das auf bekannte Weise als elektrisches Antriebsmodul ausgeführt ist, treibt eine Welle 7 an, die über ein Kupplungsorgan 8 mit einer Drehachse 9 eines Schaltelementes 10 verbunden ist. Im vorliegenden Fall wird das scheibenförmige, im Querschnitt kreisrunde Schaltelement 10 durch einen Mitnehmer 11 angetrieben, wobei das Schaltelement 10 kardanisch an den Mitnehmer 11 aufgehängt ist. Das Schaltelement 10 weist zur Abgasrückführung Durchtrittsöffnungen 12 auf, (s. Figur 1) die mit Öffnungen 13 einer Steuerfläche 14 korrespondieren. Die Öffnungen 13 sind, wie Figur 2 deutlich zeigt, den Abgassteuerkanälen 5 zugeordnet. Die Steuerfläche 14 ist im vorliegenden Ausführungsbeispiel aus einem keramischen Werkstoff hergestellt und weist Schabekanten 15 auf, die ein möglichst reibungsfreies Verstellen des Schaltelementes 10 ermöglichen und Ablagerungen verhindern soll. Im vorliegenden Ausführungsbeispiel ist des weiteren das Schaltelement 10 durch eine Feder 16, die sich an der Drehachse 9 abstützt, gegenüber der Steuerfläche 14 vorgespannt, wodurch im geschlossenen Zustand des Drehschieberventils 4 die Dichtheit gewährleistet ist.Figure 2 shows the exhaust gas recirculation device from Figure 1 in section. The drive module 6, which is designed in a known manner as an electrical drive module, drives a shaft 7, the one via a coupling member 8 with an axis of rotation 9 Switching element 10 is connected. In the present case, the disc-shaped, in cross section circular switching element 10 driven by a driver 11, the switching element 10 gimbally suspended on the driver 11 is. The switching element 10 has passage openings 12 for exhaust gas recirculation on (see FIG. 1) which correspond to openings 13 of a control surface 14. The As clearly shown in FIG. 2, openings 13 are assigned to the exhaust gas control channels 5. In the present exemplary embodiment, the control surface 14 is made of one made of ceramic material and has scraping edges 15, the one as possible enable smooth adjustment of the switching element 10 and deposits should prevent. In the present exemplary embodiment, this is furthermore Switching element 10 opposite by a spring 16, which is supported on the axis of rotation 9 the control surface 14 biased, whereby in the closed state of the rotary valve 4, the tightness is guaranteed.

Die Öffnungen 13 der Steuerfläche 14 können eine definierte geometrische Form aufweisen, wie z.B. kreisrund elliptisch, eckig, etc., derart, daß auf diese Weise eine bestimmte Durchflußcharakteristik für den Abgasrückführstrom definierbar ist.The openings 13 of the control surface 14 can have a defined geometric shape have, such as circular elliptical, angular, etc., such that in this way a specific flow characteristic for the exhaust gas recirculation flow can be defined.

Figur 3 zeigt eine alternative Ausführungsform des Schaltelementes 10, das in diesem Falle kreuzförmig ausgebildet ist, wobei die Zwischenräume 17 mit den Öffnungen 13 der Steuerfläche korrespondieren.Figure 3 shows an alternative embodiment of the switching element 10, which in this case is cruciform, the spaces 17 with the Openings 13 of the control surface correspond.

Es sollte deutlich sein, daß gerade für das Schaltelement 10 die verschiedenartigsten Ausführungsformen denkbar sind.It should be clear that the most varied of the switching element 10 in particular Embodiments are conceivable.

Claims (8)

Abgasrückführeinrichtung für eine Brennkraftmaschine mit einer von einem Auslaßsystem der Brennkraftmaschine kommenden Abgassammelleitung, die über ein Drehschieberventil fluidisch mit Lufteinlaßkanälen der Brennkraftmaschine in Verbindung steht, wobei das Drehschieberventil ein Gehäuse aufweist mit einem auf einer Drehachse befestigten scheibenförmigen Schaltelement, das mit einer Steuerfläche korrespondiert, die Öffnungen aufweist, denen Abgassteuerkanäle zugeordnet sind, dadurch gekennzeichnet, daß am Gehäuse (3) ein Antriebsmodul (6) für das Drehschieberventil (4) vorgesehen ist.Exhaust gas recirculation device for an internal combustion engine with an exhaust manifold coming from an exhaust system of the internal combustion engine, which is in fluid communication with air inlet ducts of the internal combustion engine via a rotary slide valve, the rotary slide valve having a housing with a disk-shaped switching element fastened on a rotary axis and corresponding to a control surface, the openings , to which exhaust gas control channels are assigned, characterized in that a drive module (6) for the rotary slide valve (4) is provided on the housing (3). Abgasrückführeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Antriebsmodul (6) über ein Kupplungsorgan (8) mit der Drehachse (9) des Schaltelementes (10) verbunden ist.Exhaust gas recirculation device according to claim 1, characterized in that the drive module (6) is connected to the axis of rotation (9) of the switching element (10) via a coupling member (8). Abgasrückführeinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Öffnungen (13) der Steuerfläche (14) eine definierte geometrische Form auf weisen, wie z.B. kreisrund, elliptisch, eckig, etc. derart, daß eine bestimmte Durchflußcharakteristik definierbar ist.Exhaust gas recirculation device according to claim 1 or 2, characterized in that the openings (13) of the control surface (14) have a defined geometric shape, such as circular, elliptical, angular, etc., in such a way that a specific flow characteristic can be defined. Abgasrückführeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Steuerfläche (14) aus einem keramischen Werkstoff gefertigt ist.Exhaust gas recirculation device according to one of the preceding claims, characterized in that the control surface (14) is made of a ceramic material. Abgasrückführeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Steuerfläche (14) Schabekanten (15) aufweist, die mit dem Schaltelement (10) in Kontakt stehen. Exhaust gas recirculation device according to one of the preceding claims, characterized in that the control surface (14) has scraping edges (15) which are in contact with the switching element (10). Abgasrückführeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß für eine 4-Zylinder-Brennkraftmaschine das scheibenförmige Schaltelement (10) im Querschnitt kreisrund mit entsprechenden Durchtrittsöffnungen (12) oder kreuzförmig ausgebildet ist.Exhaust gas recirculation device according to one of the preceding claims, characterized in that for a 4-cylinder internal combustion engine, the disk-shaped switching element (10) is circular in cross-section with corresponding passage openings (12) or cross-shaped. Abgasrückführeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Schaltelement (10) mittels einer Feder (16) gegen die Steuerfläche (13) vorgespannt ist.Exhaust gas recirculation device according to one of the preceding claims, characterized in that the switching element (10) is biased against the control surface (13) by means of a spring (16). Abgasrückführeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Schaltelement (10) durch einen kardanisch damit verbundenen Mitnehmer (11) antreibar ist.Exhaust gas recirculation device according to one of the preceding claims, characterized in that the switching element (10) can be driven by a cardanically connected driver (11).
EP01124739A 2001-01-13 2001-10-17 Exhaust recirculation device for an internal combustion engine Expired - Lifetime EP1223331B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10101412 2001-01-13
DE10101412.0A DE10101412B4 (en) 2001-01-13 2001-01-13 Exhaust gas recirculation device for an internal combustion engine

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EP1223331A2 true EP1223331A2 (en) 2002-07-17
EP1223331A3 EP1223331A3 (en) 2004-01-02
EP1223331B1 EP1223331B1 (en) 2005-03-16

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EP (1) EP1223331B1 (en)
DE (2) DE10101412B4 (en)
ES (1) ES2236110T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1338785A3 (en) * 2002-02-23 2006-05-24 Gustav Wahler GmbH u. Co.KG Control valve, especially for an internal combustion engine, for controlled exhaust gas recirculation
EP2143931A2 (en) * 2008-07-10 2010-01-13 Hirschmann Automotive GmbH AGR valve system
DE102008046594A1 (en) * 2008-07-18 2010-01-21 Mahle International Gmbh valve means

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004040221B4 (en) * 2004-08-19 2009-01-08 Pierburg Gmbh Adjustable two-way valve device for an internal combustion engine
CN101943089B (en) * 2005-02-07 2015-09-23 博格华纳公司 Exhaust gas module and control the method for amount of exhaust gas recirculation in gas recirculation system
DE102005044089A1 (en) * 2005-09-08 2007-03-15 Behr Gmbh & Co. Kg Device for controlling an exhaust gas flow
FR3032253B1 (en) * 2015-02-04 2017-01-20 Mmt Sa ELECTRO-CONTROLLED VALVE FOR HOT FLUID
DE102015004035A1 (en) 2015-03-27 2016-09-29 Daimler Ag Rotary slide valve for an exhaust gas recirculation device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19941035A1 (en) 1998-09-10 2000-03-16 Avl List Gmbh Automotive engine inlet system with cylinder feed tubes branches off to respective cylinders using rotary slide and pushrod for conjoint or individual slides.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2303007A1 (en) * 1973-01-22 1974-07-25 Volkswagenwerk Ag VALVE FOR THE CONTROL OF THE RETURNED EXHAUST GAS QUANTITY IN A DEVICE FOR EXHAUST GAS RECIRCULATION
IT218048Z2 (en) * 1988-12-02 1992-03-30 Galatron Srl COUPLE OF COOPERATING PLATES FOR THE CONTROL OF THE DISPENSING OF THE FLUID IN SO-CALLED "VITONE" VALVES
DE4111259C1 (en) * 1991-04-08 1992-04-23 Fa. Carl Freudenberg, 6940 Weinheim, De
DE4204434C2 (en) * 1992-02-14 2000-06-21 Pierburg Ag Control valve for exhaust gas recirculation
FR2724976B1 (en) * 1994-09-27 1996-12-20 Sagem Allumage RECYCLED EXHAUST GAS QUANTITY UNIT IN AN EXHAUST GAS RECIRCULATION SYSTEM OF AN INTERNAL COMBUSTION ENGINE
US5811898A (en) * 1995-12-21 1998-09-22 Siemens Electric Limited Rotary actuator
GB2329001B (en) * 1997-09-04 2001-09-05 Gen Motors Corp Exhaust gas recirculation valve
DE19809124A1 (en) * 1998-03-04 1999-09-16 Daimler Chrysler Ag Control device for the cooling and heating circuit of an internal combustion engine
DE19904622B4 (en) * 1999-02-05 2012-01-05 Audi Ag Control valve for the return of exhaust gas to the fresh gas of an internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19941035A1 (en) 1998-09-10 2000-03-16 Avl List Gmbh Automotive engine inlet system with cylinder feed tubes branches off to respective cylinders using rotary slide and pushrod for conjoint or individual slides.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1338785A3 (en) * 2002-02-23 2006-05-24 Gustav Wahler GmbH u. Co.KG Control valve, especially for an internal combustion engine, for controlled exhaust gas recirculation
EP2143931A2 (en) * 2008-07-10 2010-01-13 Hirschmann Automotive GmbH AGR valve system
EP2143931A3 (en) * 2008-07-10 2012-09-05 Hirschmann Automotive GmbH AGR valve system
DE102008046594A1 (en) * 2008-07-18 2010-01-21 Mahle International Gmbh valve means

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EP1223331A3 (en) 2004-01-02
DE50105613D1 (en) 2005-04-21
EP1223331B1 (en) 2005-03-16
DE10101412B4 (en) 2014-05-28
US20020092510A1 (en) 2002-07-18
US6651634B2 (en) 2003-11-25
ES2236110T3 (en) 2005-07-16
DE10101412A1 (en) 2002-07-18

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