EP0987427B1 - Dispositif pour recirculer un courant de gaz d'échappement au conduit d'admission d'un moteur - Google Patents

Dispositif pour recirculer un courant de gaz d'échappement au conduit d'admission d'un moteur Download PDF

Info

Publication number
EP0987427B1
EP0987427B1 EP99112624A EP99112624A EP0987427B1 EP 0987427 B1 EP0987427 B1 EP 0987427B1 EP 99112624 A EP99112624 A EP 99112624A EP 99112624 A EP99112624 A EP 99112624A EP 0987427 B1 EP0987427 B1 EP 0987427B1
Authority
EP
European Patent Office
Prior art keywords
valve
exhaust gas
gas cooler
inlet
outlet
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.)
Expired - Lifetime
Application number
EP99112624A
Other languages
German (de)
English (en)
Other versions
EP0987427A1 (fr
Inventor
Frank Zimmermann
Thomas Peuker
Wolfgang Knecht
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.)
Gustav Wahler GmbH and Co KG
Modine Manufacturing Co
Original Assignee
Gustav Wahler GmbH and Co KG
Modine Manufacturing Co
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
Application filed by Gustav Wahler GmbH and Co KG, Modine Manufacturing Co filed Critical Gustav Wahler GmbH and Co KG
Publication of EP0987427A1 publication Critical patent/EP0987427A1/fr
Application granted granted Critical
Publication of EP0987427B1 publication Critical patent/EP0987427B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • 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
    • F02M26/23—Layout, e.g. schematics
    • F02M26/25—Layout, e.g. schematics with coolers having bypasses
    • F02M26/26—Layout, e.g. schematics with coolers having bypasses characterised by details of the bypass 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
    • F02M26/32—Liquid-cooled heat exchangers
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases

Definitions

  • the invention relates to an exhaust gas recirculation device of an internal combustion engine with the features in the preamble of claim 1.
  • valve device is actuated so that the Valve closure element, which is assigned to the return path, in the closed position goes while the other valve closure member, which is the bypass path behind the Exhaust gas cooler is assigned, goes into the open position, so that now over the Bypass path the exhaust gas goes through the exhaust gas cooler, is cooled there and is then led to the intake manifold via the open valve.
  • This facility is complex.
  • the valve device is complex, requires a lot of space and needs a special design and control, so that the described Functionality is achieved. Due to the design of the facility are both special for the return path as well as for the bypass path Pipelines necessary, also for the integration of the exhaust gas cooler in the System. The facility takes up a lot of space, is difficult and is not one modular design accessible.
  • a valve device with two mutually independent individual valves provided. From the exhaust pipe of the internal combustion engine branches off a line with a return path leading to the inlet side and to the leads there suction pipe of the internal combustion engine. In this return path is a arranged first valve with an actuator, which via a first pressure line is connected to the inlet air distributor and contains a membrane.
  • the Pressure line serves as a control line and is by means of a special Solenoid valve controlled by a control device. With the first valve it is an independent and as such also independent working valve.
  • the return path is bridged by a bypass path, that of the return path branches off and flows into the return path behind the first valve.
  • the Bypass path contains one cooler and a second one in series behind the cooler Valve, which also has an actuator with a membrane, the latter Pressure chamber via a second pressure line also with the inlet air distributor in Connection is established.
  • This second pressure line as a control line is also controlled by the central control device by means of a solenoid valve.
  • this second valve is independent and as such valve operating independently of the first valve.
  • Each of the two valves requires its own actuator, the actuators independently of one another and separately via the central control device and by means of an assigned control cable located in the assigned control line Control valve can be controlled.
  • Such an exhaust gas recirculation device is at such a valve device is expensive. It needs a variety of Pipes, two actuators and two solenoid valves as Control valves therefor.
  • the membrane is in a housing of the actuator with which the actuator contains the passage Housing is attached, the valve rod the housing of the actuator and the subsequent housing containing the passage penetrates.
  • To this Housing is transverse to the course of the valve rod in a special housing arranged exhaust gas cooler attached, such that its inlet with the Exhaust inlet connected to the housing and that its outlet in opens a chamber on the housing side, upstream of the valve closure member, from which, when the valve closure member is open, the exhaust gas through the can pass through the housing-side passage.
  • the exhaust gas cooler contains a U-shape running tube bundle through which the exhaust gas is passed and the run in the radiator housing, the space between the Cooler housing and the tube bundle is surrounded by cooling water.
  • Exhaust gas recirculation device At this Exhaust gas recirculation device are the exhaust gas cooler, the control valve and valve housing controlled by the valve closure member with regard to the passage assembled into a structural unit and connected to one another, these Exhaust gas recirculation device but due to the series arrangement of exhaust gas cooler and downstream valve only exhaust gas recirculation via the return path with simultaneous cooling of the recirculated exhaust gas stream.
  • Heat recovery devices are also known to be used in internal combustion engines the waste heat in the exhaust gases for additional heating to use the cooling water and in this way z.
  • B the passenger compartment one Motor vehicle and / or the still cold internal combustion engine in addition heat.
  • an exhaust gas heat exchanger (DE 297 14 478 U1) is known is arranged in a branch duct branching off the exhaust gas stream, wherein a valve is arranged between the branch point and the heat exchanger and is connected upstream of the heat exchanger. When the valve is closed the Exhaust gas heat exchanger ineffective.
  • valve flap If the valve flap is in the open position, then in the valve body discharged exhaust gas through the heat exchanger passed through, so that the heat contained in the exhaust gas in the heat exchanger heating of the cooling water passed through is used there.
  • the Thermal energy in the cooling water heated in this way can Cooling water heating or for heating the interior air of a vehicle be used.
  • the exhaust gas led through the heat exchanger comes behind the closed flap out of the heat exchanger and then out of the Valve body. If the flap is pivoted into another position, then this closes the inlet to the heat exchanger, so that in the valve housing Introduced exhaust gas passes through the valve body without passing through the exhaust gas heat exchanger to be directed.
  • the one that contains the pivoting flap The valve housing is attached to the housing of the heat exchanger.
  • GB 23 01 177 A is also an exhaust gas heat exchanger for Recovery of the contained in the exhaust gas of an internal combustion engine Thermal energy and for use to heat the cooling water faster or the interior of a vehicle is known.
  • the exhaust gas heat exchanger is contained in a branch line branching off the exhaust gas line, wherein a valve device is then arranged on the heat exchanger, which has an outlet opening into the exhaust pipe.
  • the valve device in one embodiment procure the valve device so that it has two in the exhaust pipe independent valve flaps arranged one behind the other each has its own flap actuation, one of which has a valve flap in front of the back mouth and the other flap behind the back mouth of the Branch line is placed in the exhaust pipe.
  • the valve device has two independent valve flaps, each with independent actuation, of which a valve flap in the exhaust pipe and the other valve flap is arranged in the secondary line. Every valve flap sits on its own valve shaft and is operated by its own valve lever an adjusting device.
  • Embodiment a hollow contained in a cylindrical valve chamber Valve drum in front, which is closed at the end, about one in the middle Window opening as an outlet to the exhaust pipe and on both sides of it window-like openings on the one hand to control the secondary line and on the other others to control the exhaust pipe, depending on the position of the Valve drum either both window-like control openings are set so that an opening and a passage through the valve drum to the exhaust pipe occurs or both lines are closed and therefore no passage to Exhaust pipe happens.
  • the valve device is spatial to the heat exchanger downstream and via the secondary line with the outlet of the heat exchanger connected.
  • the invention has for its object a device of the beginning to create the type mentioned, which requires less effort in terms of components and has a reduced space requirement.
  • the task is in a device of the type mentioned in the Invention solved by the features in claim 1. Because the Valve device designed as an independent component and directly to the Exhaust gas cooler is attached, a modular design is possible. Further the result is a compact design and thus a saving in installation space as well as a weight saving. The valve device can be made simpler become. The control of the valve device is also simplified. Furthermore is only the return path into which the valve device with its Supply connection and its discharge connection is turned on, the Valve device and the attached exhaust gas cooler as an assembly result in a compact, space-saving structure. This arrangement will saved at least one line with all associated components, such as. B. Seals, screws, flanges or the like ..
  • the invention is based on one shown in the drawing Embodiment explained in more detail.
  • the drawing shows a schematic, partially sectioned side view of a device for exhaust gas recirculation.
  • a device 10 for recycling an exhaust gas flow is closed an intake manifold of an internal combustion engine shown.
  • the device 10 is provided for example in a diesel internal combustion engine and with their Components attached to it.
  • the exhaust gas is from the exhaust pipe, e.g. B. from Exhaust manifold, not shown, derived and according to arrow 12 of the device fed.
  • the device 10 has a return path 13 for the exhaust gas, which leads to the suction pipe, not shown.
  • the exhaust gas cooler 15 can be designed in a variety of ways.
  • Exhaust gas is supplied to the exhaust gas cooler 15 at the inlet 16 and discharged at outlet 17.
  • A is preferably used as the cooling medium Cooling liquid, for example the cooling liquid of the one not shown Internal combustion engine, which is supplied at 18 and discharged at 19.
  • the exhaust gas cooler 15 can optionally be bypassed by means of a valve device 20 become.
  • the valve device 20 has a supply connection 21 and one Discharge connection 22 for the exhaust gas, the valve device 20 via the Supply port 21 exhaust gas can be fed and exhaust port 22 exhaust gas can be derived from this, as is illustrated by arrows.
  • the exhaust gas cooler 15 is connected to one with its inlet 16 and its outlet 17 Bypass path 23 connected, which runs parallel to the return path 13 and
  • the bypass path 23 branches - in the flow direction of the Exhaust gas supplied viewed according to arrow 12 - in front of the valve device 20 of the return path 13 and opens behind the valve device 20 in the Return path 13.
  • the supply connection 21 of the valve device 20 is also available the inlet 16 of the exhaust gas cooler 15 in connection. It also stands Discharge connection 22 of the valve device 20 with the outlet 17 of the Exhaust gas cooler 15 in connection.
  • the operation of the device 10 is as follows.
  • the valve device 20 is controlled so that this one Valve passage and thus a continuous connection between the Supply port 21 and discharge port 22 allows.
  • cold Internal combustion engine practically does not cool the device 10 at 12 supplied exhaust gas.
  • the exhaust gas cooler 15 has practically no function.
  • the valve device 20 is controlled so that now the supplied Exhaust gas of higher temperature via the bypass path 23 to the exhaust gas cooler 15 is fed and cooled therein before it is returned to the return path 13 is fed.
  • the valve device 20 is designed as an independent component and directly on the exhaust gas cooler 15 in the area of its inlet 16 and its outlet 17th stated.
  • the valve device 20 has z. B. a housing flange 30th with which the valve device 20 on an associated flange 31 of the Exhaust gas cooler 15 attached and z. B. is attached by means of screws or the like.
  • the exhaust gas cooler 15 can be designed as an elongated cooler, one inside U-shaped course for the exhaust gas to be passed and cooled. This U course is indicated by a dashed line at 32.
  • the valve device 20 has a bypass outlet 36 and at a distance therefrom a bypass inlet 37.
  • the bypass outlet 36 is connected to the supply connection 21 in connection, while the bypass inlet 37 with the discharge connection 22 in Connection is established.
  • the respective connection is through a first valve channel 38 or a second valve channel 39 in the housing 40 of the valve device 20 reached.
  • the valve device 20 is in this way direct to the exhaust gas cooler 15 assuming that the bypass outlet 36 of the valve device 20 with the inlet 16 and the bypass inlet 37 with the outlet 17 of the exhaust gas cooler 15 in Connect.
  • the valve device 20 contains two valves 42 and 52, one of which is a valve 42 only the return path 13 for optional control of the passage through this is assigned, while the second valve 52 to the exhaust gas cooler 15 optional control of the passage through it is assigned.
  • the Exhaust gas cooler 15 is thus a separate valve in the form of the second valve 52 assigned, through which the passage through the exhaust gas cooler 15 either is blocked or open when the valve is open.
  • Both valves 42, 52 form a structural unit with a valve housing 40 summarized. Both valves 42, 52 have an actuator 43 in the form of a Actuating shaft, which is common to both valves 42, 52 and via which both valves can be operated together.
  • the actuator 43 in the form of an actuating shaft is in the Housing 40 mounted, any outside of the housing 40 Actuator 44 attacks.
  • the first valve 42 has a housing passage 45 as a separate valve channel on the via the supply port 21 and the discharge port 22 in the Return path 13 is switched on.
  • the other valve 52 which is the exhaust gas cooler 15 is assigned, has a valve channel 53 which is connected to the inlet 16 and the Outlet 17 of the exhaust gas cooler 15 is connected.
  • a valve closure member 46 in the form of a flap on the actuator 43 non-rotatably arranged.
  • Valve closure member 54 On the part of the actuator 43 that corresponds to the second valve 52 is assigned and its valve channel 53 passes through, is an assigned Valve closure member 54 also arranged in the form of a flap.
  • valve closure members 46, 54 are in the pivoting direction of the actuator 43, viewed offset from one another, preferably around about 90 ° so that when the one valve closure member is in Is closed position, the other valve closure member is open, and vice versa.
  • the valve closure member 54 is arranged in front of the inlet 16, and can instead but also be placed behind the outlet 17. As can be seen, the Valve channel 53 via the supply connection 21 and the discharge connection 22 of the Valve device 20 connected to the return path 13.
  • the valve device 20 with two individual valves 42, 52 enables a separate one via each valve Control of the passage either through the exhaust gas cooler 15 or at Closure of the passage through this directly over the housing passage 45 through the return path 13.
  • valve device 20 is an independent component trained and attached directly to the exhaust gas cooler 15.
  • the valve device 20 instead with the Exhaust gas cooler 15 combined form a structural unit.
  • the other advantages are the same.
  • valve device 20 When the internal combustion engine is cold, the valve device 20 is located in one position in which the valve closure member 46 allows passage through the Housing 40 from the supply port 21 to the discharge port 22 enables.
  • the Valve channels 38 and 39 are blocked by the valve closure member 54, so that no exhaust gas gets into the exhaust gas cooler and no exhaust gas cooling takes place.
  • the valve device 20 is controlled such that whose valve closure member 46 is transferred to a more or less closed position is and thus the housing passage 45 is more or less blocked, while the valve closure member 54 in the corresponding open position is transferred.
  • the supplied exhaust gas then passes through the first valve channel 38 and the bypass outlet 36 into the inlet 16 of the exhaust gas cooler 15 and flows through the exhaust gas cooler z. B. corresponding to the U-shape 32.
  • the exhaust gas is cooled in the exhaust gas cooler 15 and leaves this at the outlet 17, where the Exhaust gas reaches the second valve channel 39 via the bypass inlet 37 and from there to return path 13.
  • the facility has many advantages. At least one line is saved with all associated components, such as seals, flanges, Screws or the like .. Furthermore, there is an extremely compact design with Saving space. Furthermore, there is a saving of mass, which at the Internal combustion engine z. B. is firmly attached to the intake manifold there. The Reducing this mass leads to less stress on the corresponding one Parts, e.g. B. the intake manifold, the mounting points, the parts of the Internal combustion engine etc. There is also a weight saving. Is an advantage further that the temperature load of the valve device 20 by hot Exhaust gas is reduced because the valve device 20 is in direct contact with the exhaust gas cooler 15 is cooled. Because of this, for the Valve device 20 temperature stabilization.
  • valve device 20 is an independent component and the same applies to the exhaust gas cooler 15, both in the area of the flanges 30, 31 are composed, different components for both components be mixed up. For example, for one and the same exhaust gas cooler 15 different valve devices 20 are used. Conversely, at one and the same valve device 20 different exhaust gas coolers 15, z. B. Exhaust gas cooler 15 of different sizes can be used. Another advantage is that quick and easy assembly of the modules as well as the if necessary, easy disassembly and the possible replacement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Exhaust Silencers (AREA)

Claims (8)

  1. Dispositif de recyclage de gaz d'échappement d'un moteur à combustion interne, par exemple un moteur Diesel à combustion interne, avec un trajet de recyclage (13) conduisant au collecteur d'admission, avec un trajet de dérivation (23) parallèle au trajet de recyclage (13) et court-circuitant celui-ci, avec un refroidisseur de gaz d'échappement (15) qui, avec son entrée (16) et avec sa sortie (17), est en liaison avec le trajet de dérivation (23) et avec un dispositif à vannes (20), à l'aide duquel le refroidisseur de gaz d' échappement (15) peut au choix être contourné et qui comprend deux vannes (42, 52), parmi lesquelles la première vanne (42) est attribuée au trajet de recyclage (13) pour une commande au choix du passage à travers celui-ci ou pour un verrouillage de celui-ci et la deuxième vanne (52) est attribuée au refroidisseur de gaz d'échappement (15) pour une commande au choix du passage à travers celui-ci ou pour un verrouillage de celui-ci, caractérisé en ce que les deux vannes (42, 52) sont rassemblées en une unité d'équipement et comprennent un élément de réglage (43) commun aux deux, avec lequel les éléments de fermeture des vannes (46, 54) des deux vannes (42, 52) peuvent être actionnés en commun, en ce que ce dispositif à vannes (20) uniforme au niveau de la conception est configuré comme composant autonome et est placé directement sur le refroidisseur de gaz d'échappement (15) dans la zone de l'entrée (16) et de la sortie (17) ou forme ensemble avec le refroidisseur de gaz d'échappement (15) une unité d'équipement, en ce que la première vanne (42), qui est attribuée au trajet de recyclage (13), comprend un passage de boítier (45) comme canal de vanne propre, en ce que la deuxième vanne (52), qui est attribuée au refroidisseur de gaz d'échappement (15), comprend un canal de vanne (53), en ce que le dispositif à vannes (20) comprend un raccord d'arrivée (21) et un raccord de départ (22) pour les gaz d'échappement et en ce que le passage de boítier (45) de la première vanne (42) ainsi que le canal de vanne (53) de la deuxième vanne (52) sont branchés respectivement par l'intermédiaire du raccord d'arrivée (21) et du raccord de départ (22) dans le trajet de recyclage (13).
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments de fermeture des vannes (46, 54) des deux vannes (42, 52) sont configurés comme clapets et sont disposés sur un arbre de réglage faisant office d'élément de réglage (43) et en ce que les éléments de fermeture des vannes (46, 54) sont, vus en direction de pivotement de l'élément de réglage (43), disposés avec un décalage entre eux, de préférence de la valeur d'un angle périphérique situé approximativement entre 70° et 90°.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le canal de vanne (53) de la deuxième vanne (52) est en relation avec l'entrée (16) et avec la sortie (17) du refroidisseur de gaz d'échappement (15) et en ce que l'élément de fermeture de vanne (54) qui lui est attribué est disposé devant l'entrée (16) ou derrière la sortie (17).
  4. Dispositif selon la revendication 1, caractérisé en ce que le dispositif à vannes (20) comprend une sortie de dérivation (36) et une entrée de dérivation (37), en ce que l'entrée de dérivation (37) est en liaison avec le raccord de départ (22) du dispositif à vannes (20) et en ce que la sortie de dérivation (36) est en liaison avec le raccord d'arrivée (21) par l'intermédiaire d'un premier canal de vanne (38) situé dans le boítier (40) du dispositif à vannes (20).
  5. Dispositif selon la revendication 4, caractérisé en ce que la liaison de l'entrée de dérivation (37) avec le raccord de départ (22) a lieu par l'intermédiaire d'un deuxième canal de vanne (39) situé dans le boítier (40) du dispositif à vannes (20).
  6. Dispositif selon la revendication 5, caractérisé en ce que le premier canal de vanne (38) situé dans le boítier (40) du dispositif à vannes (20) contient l'élément de fermeture de vanne (54) de la deuxième vanne (52).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le dispositif à vannes (20) est placé de telle manière sur le refroidisseur de gaz d'échappement (15) que la sortie de dérivation (36) est en liaison avec l'entrée (16) et que l'entrée de dérivation (37) est en liaison avec la sortie (17) du refroidisseur de gaz d'échappement (15).
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif à vannes (20) est placé avec une bride de boítier (30) sur une bride (31) du refroidisseur de gaz d'échappement (15) et y est fixé.
EP99112624A 1998-09-14 1999-07-02 Dispositif pour recirculer un courant de gaz d'échappement au conduit d'admission d'un moteur Expired - Lifetime EP0987427B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19841927A DE19841927A1 (de) 1998-09-14 1998-09-14 Einrichtung zur Rückführung eines Abgasstromes zum Saugrohr einer Brennkraftmaschine
DE19841927 1998-09-14

Publications (2)

Publication Number Publication Date
EP0987427A1 EP0987427A1 (fr) 2000-03-22
EP0987427B1 true EP0987427B1 (fr) 2004-01-07

Family

ID=7880844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112624A Expired - Lifetime EP0987427B1 (fr) 1998-09-14 1999-07-02 Dispositif pour recirculer un courant de gaz d'échappement au conduit d'admission d'un moteur

Country Status (2)

Country Link
EP (1) EP0987427B1 (fr)
DE (2) DE19841927A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7032577B2 (en) 2002-01-26 2006-04-25 Behr Gmbh & Co. Kg Exhaust gas heat exchanger
DE102010048918A1 (de) 2010-10-12 2012-04-12 Technische Universität Dresden Abgassystem und Verfahren zum Abführen von Abgas einer Brennkraftmaschine
US8464778B2 (en) 2004-05-07 2013-06-18 Behr Gmbh & Co. Kg Heat exchanger for internal combustion engines

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19906401C1 (de) * 1999-02-16 2000-08-31 Ranco Inc Of Delaware Wilmingt Abgasrückführsystem
GB0001283D0 (en) 2000-01-21 2000-03-08 Serck Heat Transfer Limited Twin flow valve gas cooler
DE10011954A1 (de) 2000-03-11 2001-09-13 Modine Mfg Co Abgaswärmetauscher in einer Abgasrückführungsanordnung
DE10028400A1 (de) * 2000-06-13 2001-12-20 Pierburg Ag Luftansaugvorrichtung für eine Brennkraftmaschine
GB0018406D0 (en) * 2000-07-28 2000-09-13 Serck Heat Transfer Limited EGR bypass tube cooler
DE10041579A1 (de) * 2000-08-24 2002-03-07 Siemens Automotive Corp Lp Ventilanordnung mit Doppelklappe und Wärmebrücke für ein Abgasrückführungssystem und Verfahren zu deren Betrieb
WO2002052142A1 (fr) * 2000-12-19 2002-07-04 Valeo Termico Sa Module echangeur de chaleur, specialement concu pour un systeme de recyclage des gaz d'echappement
LU90761B1 (en) * 2001-04-20 2002-10-21 Delphi Tech Inc Device for exhaust gas recirculation
EP1275838A1 (fr) 2001-07-11 2003-01-15 Cooper-Standard Automotive (Deutschland) GmbH Système de recirculation de gaz d'échappement
JP4065239B2 (ja) * 2002-01-16 2008-03-19 三菱電機株式会社 排気ガス再循環装置
DE10216773B4 (de) * 2002-04-15 2004-09-16 Benteler Automobiltechnik Gmbh Kühler für ein dem Hauptabgasstrom eines Verbrennungsmotors entnommenes Abgas
EP1509692B1 (fr) * 2002-05-15 2009-05-13 Behr GmbH & Co. KG Echangeur de chaleur des gaz d'echappement a commutation
DE10228619B4 (de) * 2002-06-26 2009-07-16 Benteler Automobiltechnik Gmbh Abgasrohr für die Abgasanlage eines Kraftfahrzeugs
ES2211308B1 (es) * 2002-09-30 2005-04-01 Valeo Termico, S.A. Sistema para la distribucion de un flujo de gas.
DE10260251A1 (de) * 2002-12-20 2004-07-01 Siemens Ag Kühlelement für Gase
ES2234398B1 (es) * 2003-04-30 2006-12-01 Valeo Termico, S.A. Intercambiador de calor, en especial de los gases de escape de un motor.
DE10328638A1 (de) 2003-06-26 2005-01-20 Modine Manufacturing Co., Racine Wärmetauscher in gehäuseloser Plattenbauweise
DE10346250B4 (de) * 2003-10-06 2018-01-04 Bayerische Motoren Werke Aktiengesellschaft Abgaskühler mit einem Bypass
FR2864582B1 (fr) * 2003-12-24 2006-03-17 Valeo Thermique Moteur Sa Module d'echange de chaleur pour la regulation de la temperature des gaz admis dans un moteur thermique de vehicule automobile
DE102004019554C5 (de) 2004-04-22 2014-03-27 Pierburg Gmbh Abgasrückführsystem für eine Verbrennungskraftmaschine
DE502004002379D1 (de) 2004-08-14 2007-02-01 Modine Mfg Co Wärmetauscher, bestehend aus Flachrohren
DE102004057306A1 (de) 2004-11-26 2006-06-01 Siemens Ag Verfahren zur Rückführung eines Teilstromes an Abgas zu einem Verbrennungsmotor eines Kraftfahrzeuges
JP2006152891A (ja) 2004-11-29 2006-06-15 Denso Corp 内燃機関の排気浄化装置
DE102005029322A1 (de) 2005-06-24 2006-12-28 Behr Gmbh & Co. Kg Vorrichtung zur Rückführung und Kühlung von Abgas für eine Brennkraftmaschine
DE102005041149A1 (de) * 2005-07-19 2007-02-01 Behr Gmbh & Co. Kg Wärmeübertragerventileinrichtung
ES2300163B1 (es) * 2005-07-29 2009-05-01 Valeo Termico, S.A. Sistema para el control de la circulacion de gases, en especial de los gases de escape de un motor.
FR2891591A1 (fr) 2005-09-30 2007-04-06 Renault Sas Dispositif de repartition des gaz recircules, et refroidisseur de gaz recircules comportant un tel dispositif
JP4468277B2 (ja) * 2005-10-03 2010-05-26 愛三工業株式会社 流路切替弁
US20100186397A1 (en) * 2006-01-19 2010-07-29 Behr Gmbh & Co.Kg Device for cooling waste gas
KR101298382B1 (ko) 2006-07-03 2013-08-20 모다인 매뉴팩츄어링 컴파니 Ｅｇｒ 쿨러
EP2044319A1 (fr) * 2006-07-14 2009-04-08 Behr GmbH & Co. KG Dispositif de refroidissement d'un flux de gaz d'un moteur à combustion interne
FR2905735B1 (fr) * 2006-09-12 2011-02-25 Renault Sas Dispositif ameliorant le fonctionnement d'un moteur suralimente avec un circuit de recirculation de gaz d'echappement
JP4775287B2 (ja) 2006-10-18 2011-09-21 株式会社デンソー 熱交換器
US7958874B2 (en) 2007-02-05 2011-06-14 Denso Corporation Exhaust gas recirculation apparatus
DE102007019089A1 (de) 2007-04-23 2008-10-30 Behr Gmbh & Co. Kg Abgaswärmetauscher, Abgaswärmetauschersystem, Brennkraftmotor und Verfahren zum Behandeln von Abgasen eines Brennkraftmotors
DE102007036301A1 (de) 2007-07-31 2009-02-05 Behr Gmbh & Co. Kg Wärmetauschergehäuse, Wärmetauscher oder Baueinheit mit einem oder mehreren Wärmetauschern, Abgasrückführsystem, Ladeluftzuführsystem und Verwendung des Wärmetauschers
DE102007038882A1 (de) 2007-08-17 2009-02-19 Pierburg Gmbh Abgaskühlvorrichtung für eine Verbrennungskraftmaschine
ES2385013T3 (es) * 2007-10-31 2012-07-17 Behr Gmbh & Co. Kg Módulo de admisión de fluido de carga, sistema de admisión de fluido de carga, vía de admisión de fluido de carga, sistema de recirculación de gas de escape, motor de combustión interna
DE102008024569A1 (de) * 2008-05-21 2009-12-10 Benteler Automobiltechnik Gmbh Abgaskühler
DE102008033823B4 (de) * 2008-07-19 2013-03-07 Pierburg Gmbh Abgasrückführvorrichtung für eine Verbrennungskraftmaschine
DE102009006013A1 (de) 2009-01-23 2010-08-05 Pierburg Gmbh Abgasklappenvorrichtung und Abgaswärmerückgewinnungssystem einer Verbrennungskraftmaschine
DE102010010332B4 (de) * 2010-03-04 2014-07-03 Pierburg Gmbh Abgassystem für eine Verbrennungskraftmaschine sowie Verfahren zur Reinigung eines Abgasrückführventils eines Abgassystems
WO2011136701A1 (fr) * 2010-04-30 2011-11-03 Volvo Lastvagnar Ab Vanne à deux passages d'écoulement
CN102691593A (zh) * 2011-03-25 2012-09-26 皮尔伯格有限责任公司 用于内燃机的废气冷却装置
DE102012005071A1 (de) 2012-03-15 2013-09-19 Benteler Automobiltechnik Gmbh Wärmetauscher
DE102012005762B4 (de) 2012-03-23 2014-03-13 Benteler Automobiltechnik Gmbh Umgehung eines Wärmetauschers
DE102012221621A1 (de) 2012-11-27 2014-06-12 Continental Automotive Gmbh Ventil
DE102017003380A1 (de) * 2017-04-06 2018-10-11 Linde Aktiengesellschaft Wärmetauscher, Verwendung eines Wärmetauschers und Verfahren zur Herstellung eines Wärmetauschers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134377A (en) * 1977-09-29 1979-01-16 Borg-Warner Corporation Exhaust gas recirculation control valve and heat exchanger
US5203311A (en) * 1990-11-06 1993-04-20 Mazda Motor Corporation Exhaust gas recirculation system for an internal combustion engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977940A (en) * 1956-11-23 1961-04-04 Matthew A Theriault Method of operation of internal combustion engines
JPS5423825A (en) 1977-07-22 1979-02-22 Toyota Motor Corp Exhaust gas recirculator
DE3103198A1 (de) 1981-01-30 1982-08-26 Oskar Dr.-Ing. 8031 Stockdorf Schatz Waermetauscher fuer den betrieb mit abgasen von kolbenmotoren, insbesondere fuer die beheizung von kraftfahrzeugen
EP0197823A1 (fr) 1985-03-20 1986-10-15 Valeo Echangeur de chaleur pour véhicule automobile en particulier du type à gaz d'échappement
JPH07166973A (ja) * 1993-12-13 1995-06-27 Yamaha Motor Co Ltd エンジンの排気ガス再循環装置
GB2301177A (en) 1995-05-18 1996-11-27 Mechadyne Ltd Exhaust gas heat exchanger in an internal combustion engine
DE19733964B4 (de) * 1997-08-06 2010-04-29 Volkswagen Ag Ventilanordnung zur Steuerung eines rückgeführten Abgasstromes
DE29714478U1 (de) 1997-08-13 1997-10-09 Heinrich Gillet Gmbh & Co Kg, 67480 Edenkoben Wärmetauscher in Abgassystemen von Verbrennungsmotoren

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134377A (en) * 1977-09-29 1979-01-16 Borg-Warner Corporation Exhaust gas recirculation control valve and heat exchanger
US5203311A (en) * 1990-11-06 1993-04-20 Mazda Motor Corporation Exhaust gas recirculation system for an internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7032577B2 (en) 2002-01-26 2006-04-25 Behr Gmbh & Co. Kg Exhaust gas heat exchanger
US7168419B2 (en) 2002-01-26 2007-01-30 Behr Gmbh & Co. Kg Exhaust gas heat exchanger
US8464778B2 (en) 2004-05-07 2013-06-18 Behr Gmbh & Co. Kg Heat exchanger for internal combustion engines
US9803544B2 (en) 2004-05-07 2017-10-31 Mahle International Gmbh Heat exchanger for internal combustion engines
DE102010048918A1 (de) 2010-10-12 2012-04-12 Technische Universität Dresden Abgassystem und Verfahren zum Abführen von Abgas einer Brennkraftmaschine

Also Published As

Publication number Publication date
DE19841927A1 (de) 2000-03-16
EP0987427A1 (fr) 2000-03-22
DE59908232D1 (de) 2004-02-12

Similar Documents

Publication Publication Date Title
EP0987427B1 (fr) Dispositif pour recirculer un courant de gaz d'échappement au conduit d'admission d'un moteur
EP2018472B1 (fr) Ensemble de soupapes pour système de recyclage des gaz d'échappement
EP2021612B1 (fr) Système de recyclage des gaz d'échappement
DE102007029036B4 (de) Ladeluftkühler für eine Brennkraftmaschine
DE102004025184B4 (de) Regelbare Zweiwegeventilvorrichtung
WO2008101978A1 (fr) Module de gaz frais conçu pour une installation de gaz frais
DE102005005190A1 (de) Abgaskühleranordnung für ein Kraftfahrzeug
DE102004025187B3 (de) Luftansaugkanalsystem für Verbrennungskraftmaschinen
DE102005039794B4 (de) Abgas-Wärmeübertrager
EP2067977A2 (fr) Soupape double pour un dispositif de recirculation des gaz d'échappement
DE102004013309B4 (de) Sauganlage für eine Brennkraftmaschine
EP0410283B1 (fr) Installation de chauffage et/ou de conditionnement d'air pour véhicules automobiles
DE10314629B4 (de) Sauganlage für eine Brennkraftmaschine
DE10344217A1 (de) Frischgas führender Abschnitt einer Frischgasanlage
EP1926906A1 (fr) Dispositif de commande d'un flux de gaz d'echappement
EP1455079B1 (fr) Dispositif de transfert de chaleur entre le gaz d'échappement et un fluide de refroidissement
DE102007048300A1 (de) Drehschieberventil eines Abgasrückführungssystems
EP1231088B1 (fr) Dispositif de conditionnement d'air à canaux multiples avec échangeur de chaleur unitaire à puissance contrôlée
EP3224466B1 (fr) Système de vanne destiné à la recirculation des gaz d'échappement d'un moteur à combustion interne
DE102008030785B4 (de) Abgasrückführvorrichtung für eine Verbrennungskraftmaschine
DE102007048301B4 (de) Ventilanordnung eines Abgasrückführungssystems
DE102008047535B4 (de) Abgaskühlmodul für eine Verbrennungskraftmaschine
WO2021139886A1 (fr) Système d'échappement d'un moteur à combustion interne
DE936193C (de) Einrichtung an Fahrzeug-Lueftungs- und Luftheizungsanlagen
DE102012220450A1 (de) Ventilbaugruppe, Kühlmittelbaugruppe und Motorbaugruppe

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): DE FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20000321

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MODINE MANUFACTURING COMPANY

Owner name: GUSTAV WAHLER GMBH U. CO

AKX Designation fees paid

Free format text: DE FR GB IT

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 20020625

TPAD Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOS TIPA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

TPAD Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOS TIPA

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: 59908232

Country of ref document: DE

Date of ref document: 20040212

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20040305

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: 20041008

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20070726

Year of fee payment: 9

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: 20080702

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20120723

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20120803

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: WITTE, WELLER & PARTNER, DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130702

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140331

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: 20130702

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: 20130731

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

Effective date: 20141125

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

Effective date: 20140717

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

Effective date: 20130422

Ref country code: DE

Ref legal event code: R081

Ref document number: 59908232

Country of ref document: DE

Owner name: BORGWARNER ESSLINGEN GMBH, DE

Free format text: FORMER OWNERS: GUSTAV WAHLER GMBH U. CO KG, 73730 ESSLINGEN, DE; MODINE MANUFACTURING CO., RACINE, WIS., US

Effective date: 20141125

Ref country code: DE

Ref legal event code: R081

Ref document number: 59908232

Country of ref document: DE

Owner name: MODINE MANUFACTURING CO., RACINE, US

Free format text: FORMER OWNER: GUSTAV WAHLER GMBH U. CO KG, MODINE MANUFACTURING CO., , US

Effective date: 20141125

Ref country code: DE

Ref legal event code: R081

Ref document number: 59908232

Country of ref document: DE

Owner name: BORGWARNER ESSLINGEN GMBH, DE

Free format text: FORMER OWNER: GUSTAV WAHLER GMBH U. CO KG, MODINE MANUFACTURING CO., , US

Effective date: 20141125

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59908232

Country of ref document: DE

Representative=s name: TWELMEIER MOMMER & PARTNER PATENT- UND RECHTSA, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 59908232

Country of ref document: DE

Owner name: BORGWARNER ESSLINGEN GMBH, DE

Free format text: FORMER OWNERS: BORGWARNER ESSLINGEN GMBH, 73730 ESSLINGEN, DE; MODINE MANUFACTURING CO., RACINE, WIS., US

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20180530

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59908232

Country of ref document: DE