EP0908615B1 - Exhaust gas recirculation valve - Google Patents

Exhaust gas recirculation valve Download PDF

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Publication number
EP0908615B1
EP0908615B1 EP98119036A EP98119036A EP0908615B1 EP 0908615 B1 EP0908615 B1 EP 0908615B1 EP 98119036 A EP98119036 A EP 98119036A EP 98119036 A EP98119036 A EP 98119036A EP 0908615 B1 EP0908615 B1 EP 0908615B1
Authority
EP
European Patent Office
Prior art keywords
exhaust
gas recirculation
recirculation valve
exhaust gas
gas
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.)
Revoked
Application number
EP98119036A
Other languages
German (de)
French (fr)
Other versions
EP0908615A2 (en
EP0908615A3 (en
Inventor
Hans-Ulrich Dipl.-Ing. Jahrens
Günter Dipl.-Ing. Söhlke
Dietmar Dipl.-Ing. Lagies
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP0908615A2 publication Critical patent/EP0908615A2/en
Publication of EP0908615A3 publication Critical patent/EP0908615A3/en
Application granted granted Critical
Publication of EP0908615B1 publication Critical patent/EP0908615B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • 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
    • F02M26/72—Housings
    • F02M26/73—Housings with means for heating or cooling the EGR valve
    • 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
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
    • 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

Definitions

  • the invention relates to an exhaust gas recirculation valve according to the preamble of claim 1.
  • An exhaust gas recirculation valve is known from EP 0 763 655 A2, which devices for Has cooling of the recirculated exhaust gas. This measure is intended to undesirable increase in temperature of the intake air can be largely avoided.
  • this known exhaust gas recirculation valve are between the valve and the flange, the is connected to the intake duct of the internal combustion engine, cooling ducts are provided, through which the coolant of the internal combustion engine flows. By means of this Cooling channels, the exhaust gas recirculated from the valve to the intake channel is cooled, however, the valve itself is exposed to the high exhaust gas temperature.
  • the invention has for its object to a generic exhaust gas recirculation valve create that with space-saving design effective cooling of the exhaust gas and ensures thermal protection of the valve.
  • a preferred embodiment provides that the leading to the exhaust gas recirculation valve Exhaust duct in a partial area coaxial to the central axis of the exhaust gas recirculation valve and this part of the exhaust duct runs from an annular cooling duct is surrounded. In this way, an optimal temperature reduction of the Exhaust gas recirculation valve reaching exhaust gas can be achieved.
  • the flue gas recirculation valve can be directly connected through the flange module designed in this way on the cylinder head with the cooling circuit of the internal combustion engine and with a Connect the exhaust gas duct of the internal combustion engine. Via the second connection flange the connection to the intake duct of the internal combustion engine is established.
  • Figure 1 shows the exhaust gas recirculation valve 1 with flange module 2 in accordance with the viewing direction R, which is shown in Figure 5 with an arrow. That as an electrical exhaust gas recirculation valve 1 trained valve is known per se. In connection with the flange module 2 this can be done Attach exhaust gas recirculation valve 1 directly to the cylinder head of an internal combustion engine.
  • This here visible first connection flange 3 has an inlet opening 4 and an outlet opening 5 for the Coolant.
  • it has an exhaust gas inlet opening 6 to which one can be easily attached angled arc extending recess 11 connects.
  • the connection to the cylinder for the entry of the exhaust gas is in area 7.
  • the opposite side of the flange module 2 can be seen in FIG. 2, specifically in Direction S of view of the second connecting flange 8 corresponding to that in FIG. 5 indicated arrow direction S.
  • the second connecting flange 8 has an exhaust gas outlet opening 9, via which a connection to the intake duct of the internal combustion engine is established.
  • the electrical connection 10 of the exhaust gas recirculation valve can also be seen in FIG.

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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)

Description

Die Erfindung betrifft ein Abgasrückführventil nach dem Oberbegriff des Anspruchs 1.The invention relates to an exhaust gas recirculation valve according to the preamble of claim 1.

Zur Reduzierung des Schadstoffausstoßes bei Verbrennungsmotoren von Kraftfahrzeugen ist es bekannt, einen Teil des Abgases über ein Abgasrückführventil dem zu verbrennenden Kraftstoff-Luft-Gemisch wieder zuzuführen. Durch die Abgasrückführung erhalten die Zylinder des Verbrennungsmotors eine geringere Füllung mit Kraftstoff-Luft-Gemisch. Die zurückgeführten Abgasbestandteile können an der Verbrennung nicht mehr teilnehmen, so dass dadurch die Verbrennungstemperatur herabgesetzt wird. Dabei ist es wichtig, das die Abgasrückführungsrate in Abhängigkeit von jeweiligen Betriebszustand des Verbrennungsmotors genau dosiert wird, um die gewünschte Schadstoffreduzierung zu erhalten. Zu diesem Zweck werden elektrisch gesteuerte Abgasrückführventile verwendet, mit denen eine genaue Dosierung der Abgasrückführung möglich ist.To reduce pollutant emissions in internal combustion engines from It is known for motor vehicles to remove part of the exhaust gas via an exhaust gas recirculation valve fuel / air mixture to be combusted again. Through the Exhaust gas recirculation receives less charge in the cylinders of the internal combustion engine with fuel-air mixture. The recycled exhaust gas components can at the Combustion no longer participate, causing the combustion temperature is reduced. It is important that the exhaust gas recirculation rate is dependent is metered precisely from the respective operating state of the internal combustion engine to the to get the desired pollutant reduction. For this purpose, be electric Controlled exhaust gas recirculation valves are used, with which an exact dosage of the Exhaust gas recirculation is possible.

Aus der EP 0 763 655 A2 ist ein Abgasrückführventil bekannt, welches Einrichtungen zur Kühlung des rückgeführten Abgases aufweist. Durch diese Maßnahme soll eine unerwünschte Temperaturerhöhung der Ansaugluft weitgehend vermieden werden. Bei diesem bekannten Abgasrückführventil sind zwischen dem Ventil und dem Flansch, der mit dem Ansaugkanal des Verbrennungsmotors verbunden ist, Kühlkanäle vorgesehen, die vom Kühlmittel des Verbrennungsmotors durchströmt werden. Mittels dieser Kühlkanäle wird zwar das vom Ventil zum Ansaugkanal rückgeführte Abgas gekühlt, jedoch wird das Ventil selbst mit der hohen Abgastemperatur belastet.An exhaust gas recirculation valve is known from EP 0 763 655 A2, which devices for Has cooling of the recirculated exhaust gas. This measure is intended to undesirable increase in temperature of the intake air can be largely avoided. at this known exhaust gas recirculation valve are between the valve and the flange, the is connected to the intake duct of the internal combustion engine, cooling ducts are provided, through which the coolant of the internal combustion engine flows. By means of this Cooling channels, the exhaust gas recirculated from the valve to the intake channel is cooled, however, the valve itself is exposed to the high exhaust gas temperature.

Demgegenüber zeigt die Konstruktion nach der US-A-4,134,377 eine Kühlung des dem Abgasrückführventil zuströmenden Abgases mittels eines an einem Ventilkörper seitlich angeordneten besonderen Wärmetauschers.In contrast, the construction according to US-A-4,134,377 shows a cooling of the Exhaust gas recirculation valve flowing exhaust gas by means of a valve body on the side arranged special heat exchanger.

Für den Sonderfall einer Brennkraftmaschine mit je Zylinder einer Zusatzbrennkammer beschreibt die gattungsbildende DE-A-28 02 095 eine Abgasrückführung zwischen unterschiedlichen Zylindern zugeordneten Zusatzbrennkammern über einen am Zylinderkopf vorgesehenen Abgasexpansionsverteiler, in den diese Zusatzbrennkammern über jeweils ein nockenbetätigtes Ventil einmünden. In der Mitte dieses Abgasexpansionsverteilers ist an diesem ferner ein Steuerventil mit einer Drosselklappe vorgesehen, das die Abgasströmung in Abhängigkeit von der Last der Brennkraftmaschine steuert. Im Abgasexpansionsverteiler verläuft ein Kühlwasserkanal, der stellenweise die Abgasleitung in dem Verteiler übergreift.For the special case of an internal combustion engine with one cylinder of an additional combustion chamber describes the generic DE-A-28 02 095 an exhaust gas recirculation between additional combustion chambers assigned to different cylinders via an am Cylinder head provided exhaust expansion manifold in which these additional combustion chambers each open via a cam-operated valve. In the middle of this Exhaust gas expansion distributor is also a control valve with a throttle valve provided that the exhaust gas flow depending on the load of the Internal combustion engine controls. A cooling water duct runs in the exhaust gas expansion distributor, which overlaps the exhaust pipe in the distributor.

Der Erfindung liegt die Aufgabe zugrunde, ein gattungsgemäßes Abgasrückführventil zu schaffen, das bei platzsparender Bauweise eine wirksame Kühlung des Abgases und einen thermischen Schutz des Ventils sicherstellt.The invention has for its object to a generic exhaust gas recirculation valve create that with space-saving design effective cooling of the exhaust gas and ensures thermal protection of the valve.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst, die Unteransprüche beschreiben vorteilhafte Ausgestaltungen.This object is achieved with the features of claim 1, the subclaims describe advantageous configurations.

Durch die bei der Erfindung vorgesehene Kühlung des Abgases vor den Ventilelementen des Abgasrückführventils wird dieses vor einer hohen Temperaturbelastung geschützt und man erhält außerdem eine gute Kühlung des in den Ansaugkanal des Verbrennungsmotors rückgeführten Abgases, wodurch man eine thermische Entkopplung zwischen Abgas- und Ansaugkanal erhält. Das Vorsehen von zwei Anschlussflanschen am Flanschmodul ermöglicht den direkten Anschluss des erfindungsgemäßen Abgasrückführventils an den Zylinderkopf des Verbrennungsmotors.Due to the cooling of the exhaust gas provided in the invention upstream of the valve elements of the exhaust gas recirculation valve is protected against high temperature loads and you also get a good cooling of the in the intake duct of the Internal combustion engine recirculated exhaust gas, resulting in thermal decoupling between exhaust and intake duct. The provision of two connecting flanges on the flange module enables the direct connection of the invention Exhaust gas recirculation valve on the cylinder head of the internal combustion engine.

Eine bevorzugte Ausführungsform sieht vor, dass der zum Abgasrückführventil führende Abgaskanal in einem Teilbereich koaxial zur Mittelachse des Abgasrückführventils verläuft und das dieser Teilbereich des Abgaskanals von einem ringförmigen Kühlkanal umgeben ist. Auf diese Weise kann eine optimale Temperaturabsenkung des zum Abgasrückführventils gelangenden Abgases erzielt werden.A preferred embodiment provides that the leading to the exhaust gas recirculation valve Exhaust duct in a partial area coaxial to the central axis of the exhaust gas recirculation valve and this part of the exhaust duct runs from an annular cooling duct is surrounded. In this way, an optimal temperature reduction of the Exhaust gas recirculation valve reaching exhaust gas can be achieved.

Durch den derart ausgebildeten Flanschmodul läßt sich das Abgasrückführventil direkt am Zylinderkopf mit dem Kühlkreislauf des Verbrennungsmotors und mit einem Abgaskanal des Verbrennungsmotors verbinden. Über den zweiten Anschlußflansch erfolgt die Verbindung zum Ansaugkanal des Verbrennungsmotors. The flue gas recirculation valve can be directly connected through the flange module designed in this way on the cylinder head with the cooling circuit of the internal combustion engine and with a Connect the exhaust gas duct of the internal combustion engine. Via the second connection flange the connection to the intake duct of the internal combustion engine is established.

Anhand einer Zeichnung wird ein Ausführungsbeispiel der Erfindung näher erläutert.An exemplary embodiment of the invention is explained in more detail with reference to a drawing.

Es zeigen:

Fig. 1
eine perspektivische Seitenansicht des Abgasrückführventils mit Flanschmodul mit Draufsicht auf den ersten Anschlußflansch,
Fig. 2
eine perspektivische Seitenansicht des Abgasrückführventils mit Flanschmodul mit Draufsicht auf den zweiten Anschlußflansch,
Fig. 3
die Seitenansicht des Abgasrückführventils mit Flanschmodul mit Sicht auf den ersten Anschlußflansch,
Fig. 4
einen Querschnitt entlang der Schnittlinie C-C gemäß Figur 3,
Fig. 5
einen Längsschnitt entlang der Schnittlinie A-A gemäß Figur 4 und
Fig. 6
einen Längsschnitt entlang der Schnittlinie B-B gemäß Figur 4.
Show it:
Fig. 1
2 shows a perspective side view of the exhaust gas recirculation valve with a flange module with a top view of the first connecting flange,
Fig. 2
2 shows a perspective side view of the exhaust gas recirculation valve with a flange module with a top view of the second connection flange,
Fig. 3
the side view of the exhaust gas recirculation valve with flange module with a view of the first connection flange,
Fig. 4
3 shows a cross section along the section line CC according to FIG. 3,
Fig. 5
a longitudinal section along the section line AA according to Figure 4 and
Fig. 6
3 shows a longitudinal section along the section line BB according to FIG. 4.

Figur 1 zeigt das Abgasrückführventil 1 mit Flanschmodul 2 entsprechend der Blickrichtung R, die in Figur 5 mit einem Pfeil eingezeichnet ist. Das als elektrisches Abgasrückführventil 1 ausgebildete Ventil ist an sich bekannt. In Verbindung mit dem Flanschmodul 2 läßt sich das Abgasrückführventil 1 direkt am Zylinderkopf eines Verbrennungsmotors anbringen. Der hier sichtbare erste Anschlußflansch 3 hat eine Einlaßöffnung 4 und eine Auslaßöffnung 5 für die Kühlflüssigkeit. Außerdem besitzt er eine Abgaseinlaßöffnung 6, an die sich eine in leicht abgewinkeltem Bogen verlaufende Vertiefung 11 anschließt. Die Verbindung zum Zylinder für den Eintritt des Abgases befindet sich im Bereich 7.Figure 1 shows the exhaust gas recirculation valve 1 with flange module 2 in accordance with the viewing direction R, which is shown in Figure 5 with an arrow. That as an electrical exhaust gas recirculation valve 1 trained valve is known per se. In connection with the flange module 2 this can be done Attach exhaust gas recirculation valve 1 directly to the cylinder head of an internal combustion engine. This here visible first connection flange 3 has an inlet opening 4 and an outlet opening 5 for the Coolant. In addition, it has an exhaust gas inlet opening 6 to which one can be easily attached angled arc extending recess 11 connects. The connection to the cylinder for the entry of the exhaust gas is in area 7.

Die gegenüberliegende Seite des Flanschmoduls 2 ist in Figur 2 ersichtlich, und zwar in Blickrichtung S auf den zweiten Anschlußflansch 8 entsprechend der in Figur 5 angegebenen Pfeilrichtung S. Der zweite Anschlußflansch 8 hat eine Abgasaustrittsöffnung 9, über die eine Verbindung zum Ansaugkanal des Verbrennungsmotors hergestellt wird.The opposite side of the flange module 2 can be seen in FIG. 2, specifically in Direction S of view of the second connecting flange 8 corresponding to that in FIG. 5 indicated arrow direction S. The second connecting flange 8 has an exhaust gas outlet opening 9, via which a connection to the intake duct of the internal combustion engine is established.

In Figur 2 ist auch der elektrische Anschluß 10 des Abgasrückführventils ersichtlich.The electrical connection 10 of the exhaust gas recirculation valve can also be seen in FIG.

Die Seitenansicht von Figur 3 zeigt im wesentlichen die gleichen Elemente, wie die perspektivische Ansicht von Figur 1.The side view of Figure 3 shows essentially the same elements as the perspective view of Figure 1.

Der Querschnitt von Figur 4 entlang der in Figur 3 angegebenen Schnittlinie C-C zeigt den koaxial zur Mittelachse des Abgasrückführventils verlaufenden Abgaskanal 12, der von der Abgaseinlaßöffnung 6 (Figur 3) vertikal nach oben zum Abgasrückführventil 1 führt. Zur Kühlung des im Abgaskanal 12 strömenden Abgases ist im Flanschmodul 2 der vertikale Teilbereich des Abgaskanals 12 von einem ringförmigen Kühlkanal 13 umgeben. Die Kühlflüssigkeit strömt über eine Öffnung 14 in den ringförmigen Kühlkanal 13 ein.The cross section of Figure 4 along the section line C-C shown in Figure 3 shows the Exhaust gas duct 12, which runs coaxially to the central axis of the exhaust gas recirculation valve Exhaust gas inlet opening 6 (FIG. 3) leads vertically upward to the exhaust gas recirculation valve 1. to Cooling of the exhaust gas flowing in the exhaust duct 12 is vertical in the flange module 2 Part of the exhaust duct 12 is surrounded by an annular cooling duct 13. The Coolant flows into the annular cooling channel 13 via an opening 14.

Anhand der Figuren 5 und 6, die Längsschnitte entlang der in Figur 4 angegebenen Schnittlinien A-A bzw. B-B zeigen, sind weitere Merkmale des Flanschmoduls 2 ersichtlich. Die Strömungsrichtung des Abgases im Abgaskanal 12 ist in Figur 6 mit dem Pfeil 15 dargestellt. Im übrigen sind die aus den vorhergehenden Figuren ersichtlichen Elemente mit entsprechenden Bezugszahlen gekennzeichnet.5 and 6, the longitudinal sections along the indicated in Figure 4 Section lines A-A and B-B show, further features of the flange module 2 can be seen. The direction of flow of the exhaust gas in the exhaust duct 12 is in FIG. 6 with the arrow 15 shown. For the rest, the elements shown in the previous figures are included corresponding reference numbers marked.

Claims (3)

  1. Exhaust-gas recirculation valve (1) with a flange module (2) which makes the connection between the outlet and the inlet of an internal combustion engine and which is additionally assigned a cooling duct (13) for the exhaust gas, which is connectable to the cooling circuit for the internal combustion engine and is arranged in the flange module (2) of the exhaust-gas recirculation valve (1) and surrounds an exhaust-gas duct (12) leading in the said flange module to the exhaust-gas recirculation valve (1), characterized in that the flange module (2) has, a direct connection to the cylinder head of the internal combustion engine, a first connecting flange (3) with inlet and outlet orifices (4; 5) for the cooling liquid of the cooling circuit and with an exhaust-gas inlet orifice (6), and in that the second connecting flange (8) has the exhaust-gas outlet orifice (9).
  2. Exhaust-gas recirculation valve according to Claim 1, characterized in that the exhaust-gas duct (12) leading to the exhaust-gas recirculation valve runs, in a part-region, coaxially to the mid-axis of the exhaust-gas recirculation valve (1), and that this part-region of the exhaust-gas duct (12) is surrounded by an annular cooling duct (13).
  3. Exhaust-gas recirculation valve according to one of Claims 1 or 2, characterized in that the two connecting flanges (3, 8) run with different inclinations at an acute angle to the mid-axis of the exhaust-gas recirculation valve (1).
EP98119036A 1997-10-09 1998-10-08 Exhaust gas recirculation valve Revoked EP0908615B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19744596 1997-10-09
DE19744596A DE19744596A1 (en) 1997-10-09 1997-10-09 Exhaust gas recirculation valve

Publications (3)

Publication Number Publication Date
EP0908615A2 EP0908615A2 (en) 1999-04-14
EP0908615A3 EP0908615A3 (en) 2000-01-12
EP0908615B1 true EP0908615B1 (en) 2004-01-14

Family

ID=7845046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119036A Revoked EP0908615B1 (en) 1997-10-09 1998-10-08 Exhaust gas recirculation valve

Country Status (2)

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EP (1) EP0908615B1 (en)
DE (2) DE19744596A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015210211A1 (en) * 2015-06-02 2016-12-08 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft valve module

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DE19750588B4 (en) † 1997-11-17 2016-10-13 MAHLE Behr GmbH & Co. KG Device for exhaust gas recirculation for an internal combustion engine
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GB9921819D0 (en) * 1999-09-16 1999-11-17 Transtec Plc Gas recirculation system
DE10119484B4 (en) * 2001-04-20 2018-01-04 Bayerische Motoren Werke Aktiengesellschaft Liquid-cooled internal combustion engine with an exhaust gas recirculation system
JP2002349360A (en) * 2001-05-28 2002-12-04 Mitsubishi Electric Corp Exhaust gas recirculation valve
DE10217626A1 (en) * 2002-04-20 2003-10-30 Wahler Gmbh & Co Kg Gustav Device for recycling the exhaust gas of an internal combustion engine
CN101415932A (en) * 2006-02-24 2009-04-22 贝洱两合公司 Valve for regulating an exhaust gas flow of an internal combustion engine, heat exchanger for exhaust gas cooling, system having at least one valve and having at least one heat exchanger
EP2077387B1 (en) 2008-01-07 2011-07-27 Ford Global Technologies, LLC Method for cooling a recirculated exhaust gas flow of an internal combustion engine
JP2012524212A (en) * 2009-04-20 2012-10-11 インターナショナル エンジン インテレクチュアル プロパティー カンパニー リミテッド ライアビリティ カンパニー Exhaust gas recirculation valve and cooling method
DE102013215420A1 (en) 2013-08-06 2015-02-12 Volkswagen Aktiengesellschaft Internal combustion engine
EP2987994B1 (en) * 2014-08-22 2018-01-10 Handtmann Systemtechnik GmbH & Co. KG Motor inlet air distributor unit with a housing and an actuator
FR3063772B1 (en) * 2017-03-08 2021-12-03 Renault Sas HP EGR EXCHANGER INTERFACE FOR THERMAL ENGINE
EP3934829B1 (en) 2019-03-07 2024-03-06 Pierburg GmbH Valve

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US3937196A (en) * 1975-02-05 1976-02-10 Ford Motor Company Intake manifold for an internal combustion engine having an internally contained exhaust gas recirculation cooler
JPS5390505A (en) * 1977-01-20 1978-08-09 Isuzu Motors Ltd Exhaust gas purifier for internal combustion engine having chamber
US4134377A (en) * 1977-09-29 1979-01-16 Borg-Warner Corporation Exhaust gas recirculation control valve and heat exchanger
DE3935093A1 (en) * 1989-10-21 1991-04-25 Daimler Benz Ag EXHAUST GAS RECIRCULATION DEVICE FOR A COMBUSTION ENGINE
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JP3420403B2 (en) 1995-09-13 2003-06-23 本田技研工業株式会社 Engine EGR valve support structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015210211A1 (en) * 2015-06-02 2016-12-08 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft valve module

Also Published As

Publication number Publication date
EP0908615A2 (en) 1999-04-14
DE59810580D1 (en) 2004-02-19
DE19744596A1 (en) 1999-04-15
EP0908615A3 (en) 2000-01-12

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