EP2171386B1 - Echangeur de chaleur pour gaz, en particulier pour les gaz d'echappement d'un moteur - Google Patents

Echangeur de chaleur pour gaz, en particulier pour les gaz d'echappement d'un moteur Download PDF

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Publication number
EP2171386B1
EP2171386B1 EP08786413.8A EP08786413A EP2171386B1 EP 2171386 B1 EP2171386 B1 EP 2171386B1 EP 08786413 A EP08786413 A EP 08786413A EP 2171386 B1 EP2171386 B1 EP 2171386B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
ducts
casing
protrusions
protuberances
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
EP08786413.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2171386A1 (fr
Inventor
Jesus Jimenez Palacios
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.)
Valeo Termico SA
Original Assignee
Valeo Termico SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40108581&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2171386(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Valeo Termico SA filed Critical Valeo Termico SA
Priority to PL08786413T priority Critical patent/PL2171386T3/pl
Publication of EP2171386A1 publication Critical patent/EP2171386A1/fr
Application granted granted Critical
Publication of EP2171386B1 publication Critical patent/EP2171386B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Definitions

  • the present invention relates to a heat exchanger for gas, in particular for the exhaust gases of an engine.
  • the invention is particularly applicable to exchangers for recycling or recirculating the exhaust gas of an engine (EGRC).
  • the two heat exchanging media are separated by a wall.
  • the heat exchanger itself may have different configurations: for example, it may consist of a casing inside which is arranged a series of parallel ducts for the passage of gases, the refrigerant circulating through the housing outwards to the ducts; in another embodiment, the exchanger consists of a series of parallel plates which constitute the heat exchange surfaces, so that the exhaust gases and the refrigerant circulate between two plates in alternating layers.
  • connection between the conduits and the housing can be of different types.
  • the ducts are fixed at their ends between two support plates coupled in each end of the casing, the two support plates having a plurality of orifices for the placement of the respective ducts. Said support plates are attached to turn to means of connection with the recycling line.
  • connection means may consist of a V-shaped connection or of a peripheral connection flange or flange, depending on the design of the recycling pipe where the exchanger is mounted.
  • the support plate is integrated into a single piece, the connection means forming a single connection flange.
  • the connection means may also consist of a gas reservoir disposed in one or both ends of the housing.
  • conduits which have protuberances on their outer surface, directed outwards to maintain the ducts positioned at a determined distance from one another, and moreover maintain a distance between the ducts located at the periphery and the casing. who shelters them.
  • Licences US 6269870 B1 and EP 0851197 A2 describe heat exchangers which comprise a bundle of rectangular shaped ducts provided with said protuberances.
  • the gas ducts may be able to exceed 4 bars of internal pressure. This implies a decrease in the mechanical strength of the heat exchanger.
  • the object of the gas heat exchanger, in particular for the exhaust gases of an engine, of the present invention is to overcome the drawbacks presented by the exchangers known in the art, by bringing about a considerable increase in the fatigue resistance and durability of the heat exchanger without increasing its production cost.
  • the gas heat exchanger in particular for the exhaust gases of an engine, object of the present invention, is of the type which comprises a plurality of parallel ducts arranged inside a housing, through which circulate the gases to be cooled by heat exchange with a refrigerating fluid, and is characterized in that the casing comprises a series of protuberances stamped on its surface and directed towards the inside thereof, so that said protuberances are arranged at a predetermined distance from the duct assembly, thereby ensuring a controlled expansion of the ducts prior to an increase in pressure and in that the protuberances include in their end a flat surface for contacting a duct.
  • this improvement does not imply an increase in the manufacturing cost since the protuberances are produced in the casing at the same time as, for example, the orifices of the inlet and outlet ducts of the refrigerant circuit.
  • the height of the protuberances will be that required to maintain the necessary distance between the ducts and the housing.
  • the geometry of these protuberances may also be different depending on the shapes of the ducts and needs, which may be circular, rectangular, linear, etc.
  • said planar surface has a square or rectangular shape.
  • the protuberances are arranged in at least one side of the housing forming a series of parallel lines separated from each other.
  • the rows of protuberances are spaced from each other by at least 20% of the length of the housing.
  • the distance between the protuberances can vary between 20 and 40 mm.
  • the exchanger includes at least two rows of protuberances, preferably three rows of protuberances.
  • the protuberances are disposed in each upper and lower face of the housing.
  • the two upper and lower faces each include six protuberances.
  • the casing comprises an inlet and an outlet of the refrigerant circuit, each consisting of a circumferential duct which extends linearly.
  • the intake and outlet ducts extend perpendicularly.
  • the heat exchanger 1 for gas in particular for the exhaust gases of an engine, comprises a set of parallel ducts 2, which in this example are flat and of rectangular section, intended for the circulation of gases with a heat exchange with a refrigeration fluid.
  • Said set of parallel ducts 2 is housed inside a casing 3 which in this case is also of rectangular section.
  • the figure 2 shows the housing 3 cut longitudinally to show inside of it the whole of parallel ducts 2.
  • the figure 3 shows a cross section of the heat exchanger 1.
  • the two ends of the set of ducts 2 are each fixed to the support plates 4, which have a plurality of orifices 2a for the positioning of the ducts 2.
  • Said support plates 4 are respectively connected to the two ends of the casing 3.
  • the casing 3 includes in both ends the gas tanks 5 connected to the gas recirculation line. Similarly, the casing 3 includes each intake duct 6 and outlet 7 of the refrigerant circuit.
  • the casing 3 comprises a series of protuberances 8 directed towards the inside of the latter so that said protuberances 8 are in direct contact with the set of ducts 2.
  • the housing 3 can be manufactured by forming a ferrule by spinning and soldering by means of a special machine, it is possible to punch a series of protuberances 8 on the housing 3 directed towards the inside of this housing. ci in predetermined areas. These protuberances 8 may be located in the four surfaces of the housing 3 and at any position.
  • the protuberances 8 are arranged in both upper and lower faces of the housing 3, each upper and lower layer having six protuberances divided into two parallel rows of three.
  • said improvement does not imply an increase in the manufacturing cost since the protuberances 8 are produced in the casing 3 at the same time as, for example, the orifices of the inlet ducts 6 and outlet 7 of the circuit refrigerant.
  • the height of the protuberances 8 will be that required to maintain the necessary distance between the ducts 2 and the casing 3.
  • These protuberances 8 may also be different depending on the shapes of the ducts 2 and needs, which may be circular, rectangular, linear, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP08786413.8A 2007-07-27 2008-07-24 Echangeur de chaleur pour gaz, en particulier pour les gaz d'echappement d'un moteur Revoked EP2171386B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08786413T PL2171386T3 (pl) 2007-07-27 2008-07-24 Wymiennik ciepła gazu, a zwłaszcza gazów spalinowych silnika

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200702103A ES2331218B1 (es) 2007-07-27 2007-07-27 Intercambiador de calor para gases, en especial de los gases de escape de un motor.
PCT/EP2008/059752 WO2009016102A1 (fr) 2007-07-27 2008-07-24 Echangeur de chaleur pour gaz, en particulier pour les gaz d'echappement d'un moteur

Publications (2)

Publication Number Publication Date
EP2171386A1 EP2171386A1 (fr) 2010-04-07
EP2171386B1 true EP2171386B1 (fr) 2015-09-02

Family

ID=40108581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08786413.8A Revoked EP2171386B1 (fr) 2007-07-27 2008-07-24 Echangeur de chaleur pour gaz, en particulier pour les gaz d'echappement d'un moteur

Country Status (5)

Country Link
EP (1) EP2171386B1 (es)
KR (1) KR101576691B1 (es)
ES (2) ES2331218B1 (es)
PL (1) PL2171386T3 (es)
WO (1) WO2009016102A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4773541B2 (ja) * 2009-04-09 2011-09-14 マルヤス工業株式会社 多管式熱交換器
DE102009054988A1 (de) * 2009-12-18 2011-06-22 Robert Bosch GmbH, 70469 Wärmetauscher
ES2406184B1 (es) 2011-12-01 2014-04-29 Valeo Térmico, S. A. Intercambiador de calor para gases, en especial de los gases de escape de un motor
USD840958S1 (en) 2016-11-15 2019-02-19 Borgwamer Emissions Systems Spain, S.L.U. Shaped tube with a pattern
CN107165717A (zh) * 2017-07-26 2017-09-15 浙江银轮机械股份有限公司 水冷式增压空气冷却器

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2733215A1 (de) 1976-08-23 1978-03-09 Borg Warner Waermeaustauscher fuer kfz-verbrennungsmotoren
DE3815070A1 (de) 1988-05-04 1989-11-23 Laengerer & Reich Kuehler Kuehler, insbesondere fluessigkeitskuehler
EP0851197A2 (de) 1996-12-24 1998-07-01 Behr GmbH & Co. Wärmeübertrager, insbesondere Abgaswärmeübertrager
JP2001027494A (ja) 1999-07-15 2001-01-30 Calsonic Kansei Corp Ｅｇｒガス冷却装置
JP2001033187A (ja) 1999-07-15 2001-02-09 Calsonic Kansei Corp Ｅｇｒガス冷却装置
US6269870B1 (en) 1998-04-24 2001-08-07 Behr Gmbh & Co. Exhaust heat exchanger
EP1195571A2 (en) 2000-10-04 2002-04-10 Modine Manufacturing Company Latent heat storage device
US20030010479A1 (en) 2001-07-10 2003-01-16 Takayuki Hayashi Exhaust gas heat exchanger
DE10233407A1 (de) 2001-07-26 2003-02-20 Denso Corp Abgaswärmetauscher
JP2004060920A (ja) 2002-07-25 2004-02-26 Denso Corp 熱交換器
JP2004177060A (ja) 2002-11-28 2004-06-24 Toyo Radiator Co Ltd Ｅｇｒクーラ
JP2005321122A (ja) 2004-05-06 2005-11-17 Sanoh Industrial Co Ltd 管型熱交換器
US20060048759A1 (en) 2003-01-23 2006-03-09 Behr Gmbh & Co. Kg Device for exchanging heat
JP2006105464A (ja) 2004-10-04 2006-04-20 Toyota Motor Corp 熱交換器及び熱交換装置
EP1657512A1 (de) 2004-11-10 2006-05-17 Modine Manufacturing Company Wärmetauscher mit offenem Profil als Gehäuse
JP2006300407A (ja) 2005-04-20 2006-11-02 T Rad Co Ltd シェルアンドチューブ型熱交換器
JP2007051576A (ja) 2005-08-17 2007-03-01 Tokyo Roki Co Ltd Ｅｇｒクーラ
DE102006051000A1 (de) 2005-10-26 2007-07-12 Behr Gmbh & Co. Kg Wärmetauscher, Verfahren zur Herstellung eines Wärmetauschers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424905C2 (de) * 1984-06-16 1994-08-11 Wilhelm Heuel Standkonsole für Heizkörper
US5213155A (en) * 1992-04-23 1993-05-25 The Atlantic Group, Inc. Method and apparatus for multiple locking a single row of heat exchanger tubes
JP3956097B2 (ja) * 2002-01-07 2007-08-08 株式会社デンソー 排気熱交換装置
EP1801407B1 (en) * 2004-09-28 2012-03-28 T.RAD Co., Ltd. Egr cooler
JP2006145062A (ja) * 2004-11-16 2006-06-08 Aisin Seiki Co Ltd 排気熱交換器

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2733215A1 (de) 1976-08-23 1978-03-09 Borg Warner Waermeaustauscher fuer kfz-verbrennungsmotoren
DE3815070A1 (de) 1988-05-04 1989-11-23 Laengerer & Reich Kuehler Kuehler, insbesondere fluessigkeitskuehler
EP0851197A2 (de) 1996-12-24 1998-07-01 Behr GmbH & Co. Wärmeübertrager, insbesondere Abgaswärmeübertrager
US6269870B1 (en) 1998-04-24 2001-08-07 Behr Gmbh & Co. Exhaust heat exchanger
JP2001027494A (ja) 1999-07-15 2001-01-30 Calsonic Kansei Corp Ｅｇｒガス冷却装置
JP2001033187A (ja) 1999-07-15 2001-02-09 Calsonic Kansei Corp Ｅｇｒガス冷却装置
EP1195571A2 (en) 2000-10-04 2002-04-10 Modine Manufacturing Company Latent heat storage device
US20030010479A1 (en) 2001-07-10 2003-01-16 Takayuki Hayashi Exhaust gas heat exchanger
DE10233407A1 (de) 2001-07-26 2003-02-20 Denso Corp Abgaswärmetauscher
JP2004060920A (ja) 2002-07-25 2004-02-26 Denso Corp 熱交換器
JP2004177060A (ja) 2002-11-28 2004-06-24 Toyo Radiator Co Ltd Ｅｇｒクーラ
US20060048759A1 (en) 2003-01-23 2006-03-09 Behr Gmbh & Co. Kg Device for exchanging heat
JP2005321122A (ja) 2004-05-06 2005-11-17 Sanoh Industrial Co Ltd 管型熱交換器
JP2006105464A (ja) 2004-10-04 2006-04-20 Toyota Motor Corp 熱交換器及び熱交換装置
EP1657512A1 (de) 2004-11-10 2006-05-17 Modine Manufacturing Company Wärmetauscher mit offenem Profil als Gehäuse
JP2006300407A (ja) 2005-04-20 2006-11-02 T Rad Co Ltd シェルアンドチューブ型熱交換器
JP2007051576A (ja) 2005-08-17 2007-03-01 Tokyo Roki Co Ltd Ｅｇｒクーラ
DE102006051000A1 (de) 2005-10-26 2007-07-12 Behr Gmbh & Co. Kg Wärmetauscher, Verfahren zur Herstellung eines Wärmetauschers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ENGLISCHER ABSTRACT

Also Published As

Publication number Publication date
ES2554166T3 (es) 2015-12-16
EP2171386A1 (fr) 2010-04-07
PL2171386T3 (pl) 2016-06-30
ES2331218B1 (es) 2010-09-29
WO2009016102A1 (fr) 2009-02-05
KR20100040303A (ko) 2010-04-19
ES2331218A1 (es) 2009-12-23
KR101576691B1 (ko) 2015-12-10

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