EP2936038B1 - Tube plat pour échangeur de chaleur d'air de suralimentation et échangeur de chaleur d'air de suralimentation correspondant - Google Patents

Tube plat pour échangeur de chaleur d'air de suralimentation et échangeur de chaleur d'air de suralimentation correspondant Download PDF

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Publication number
EP2936038B1
EP2936038B1 EP13811212.3A EP13811212A EP2936038B1 EP 2936038 B1 EP2936038 B1 EP 2936038B1 EP 13811212 A EP13811212 A EP 13811212A EP 2936038 B1 EP2936038 B1 EP 2936038B1
Authority
EP
European Patent Office
Prior art keywords
flat tube
fluid
charge air
insert
air cooler
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.)
Active
Application number
EP13811212.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2936038A1 (fr
Inventor
Nicolas Vallee
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 Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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Publication date
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Priority to PL13811212T priority Critical patent/PL2936038T3/pl
Publication of EP2936038A1 publication Critical patent/EP2936038A1/fr
Application granted granted Critical
Publication of EP2936038B1 publication Critical patent/EP2936038B1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—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
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/004—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using protective electric currents, voltages, cathodes, anodes, electric short-circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/08—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes pressed; stamped; deep-drawn

Definitions

  • the invention relates to the field of heat exchangers and charge air heat exchangers in the field of automobiles, in particular a flat tube of charge air heat exchanger according to the preamble of claim 1. .
  • WO 2009/156365 describes such a tube.
  • Each flat tube is generally formed of two plates of metal sheet stamped to form a bowl in a predefined pattern and arranged in such a way that their concavities are turned towards each other.
  • the two plates are then connected in a sealed manner, thus forming a flat tube in which the first fluid can flow from a fluid inlet to a fluid outlet, each located at one end of the flat tube and more generally each located on opposite sides. of the plate.
  • the flat tubes are stacked on each other, the fluid inlets of each flat tube being connected together to form an inlet column. Similarly, the fluid outlets of each flat tube are interconnected to form an output column. Between each flat tube is left a space for the passage of a second fluid. The exchange of heat between the two fluids thus occurring during the passage of the first fluid in the flat tubes and the second fluid between said flat tubes.
  • Such heat exchangers are commonly used as an evaporator in a refrigerant circuit for the air conditioning of the passenger compartment of a motor vehicle, this refrigerant constituting the first fluid and the second fluid being atmospheric air, or as a radiator. heating in a fluid circuit coolant for heating the passenger compartment of a motor vehicle, the heat transfer fluid constituting the first fluid and the second fluid being atmospheric air.
  • the use of a liquid as the first fluid has the disadvantage of reducing the resistance of the exchanger over time, because it is more likely to be damaged by corrosion.
  • one of the aims of the invention is to at least partially overcome the disadvantages of the prior art and to provide an improved supercharging air heat exchanger.
  • the present invention therefore relates to a flat tube of charge air heat exchanger made from at least one pressed metal sheet so as to form an exchange plate, said stamping allowing the connection between a fluid inlet and a fluid outlet by a circuit in which a coolant circulates, said circuit comprising at least one metal insert placed therein and made of a material creating a potential difference greater than or equal to 30mV with the material of the flat tube.
  • the flat tube is formed by the assembly of two exchange plates made from a stamped metal sheet and assembled to one another, the stamped sides of each plate of exchange facing each other.
  • the insert is made of metal alloy comprising 0.7 to 1.5% of zinc.
  • the at least one exchange plate is made of 3000 series aluminum alloy and the insert is made of aluminum alloy 6815 or 6807.
  • the invention also relates to a charge air heat exchanger comprising at least one flat tube as described above.
  • the exchange plate 1 for flat tube 100 of heat exchanger, shown in FIG. figure 1 can be made from a stamped metal sheet. It comprises a fluid inlet 3a and a fluid outlet 3b.
  • the stamping of the exchange plate 1 forms a cavity with ribs 7 defining a fluid flow circuit between the fluid inlet 3a and the fluid outlet 3b.
  • the ribs 7 give the flow path a flow path of a first heat transfer fluid between the fluid inlet 3a and the fluid outlet 3b.
  • This circulation path comprises at least two straight passes 5 connected by a curved portion 9.
  • This circulation path allows an increase in the length of the flow circuit and therefore increases the time during which the first heat transfer fluid flows within it. , thereby increasing the time when there can be heat transfer with a second fluid flowing on the opposite side of the exchange plate 1.
  • the ribs 7 may have rounded ends 11 .
  • the exchange plate 1 has four passes 5 parallel to each other and three curved portions 9 making the connection between said passes 5.
  • the at least one curved portion 9 may comprise projections 91.
  • These protrusions 91 may be made of material with the at least one exchange plate 1, for example by being made by stamping, or even be attached elements and fixed to within the at least one curved portion 9 by any means known to those skilled in the art.
  • the flat tubes 100 are generally constituted by the assembly of two exchange plates 1 between them, the passes 5 and curves 9 of the circuits and the ribs 7 of each of the two exchange plates 1 facing each other, forming the path of circulation of said flat tube 100.
  • the assembly of the exchange plates 1 is made to be sealed, for example by soldering, in order to prevent any leakage of the coolant passing through the flat tube 100.
  • Such flat tubes 100 are relatively thin for example their circulation path can have a height of 1mm to 3mm.
  • a flat tube 100 may be the assembly of an exchange plate 1 with a flat plate resting on the periphery of the exchange plate 1 and on the ribs 7, covering the circuit of FIG. flow.
  • the circuit comprises at least one insert 51 intended to disturb the circulation of the first heat transfer fluid and creating turbulence, as well as increasing the contact surface with the first heat transfer fluid and therefore increase exchanges between said first fluid and the flat tube 100.
  • the at least one insert 51 is made of a metallic material creating a potential difference greater than or equal to 30mV with the material of the flat tube 100. This potential difference allows said insert to be a sacrificial anode which is corroded preferentially instead. of the material of the flat tube 100, the latter in fact acquiring better resistance to corrosion over time.
  • said insert 51 is an effective sacrificial anode
  • said insert can be made of a metal alloy comprising 0.7 to 1.5% of zinc.
  • the insert 51 may have a corrugated conformation perpendicular to the direction of flow of the first heat transfer fluid, the ends of each corrugation being in contact with the walls of the flat tube 100.
  • the insert 51 may also have, parallel to the flow direction of the fluid coolant in the flat tube 100, series of corrugated sections, offset relative to each other perpendicular to the direction of circulation of the coolant.
  • the first heat transfer fluid then passes between the corrugations of each section, increasing the contact and exchange surface between the fluid and the walls of the flat tube 100, and during the passage from one corrugated section to another, the first heat transfer fluid undergoes a disturbance allowing homogenization of the temperature and therefore a better heat exchange efficiency with the flat tube 100.
  • said insert 51 may also have other conformations allowing an increase in the contact surface as well as a homogenization of the fluid such as for example crenels, zigzags or slats.
  • a flat-tube heat exchanger 100 comprises a stack of flat tubes 100 interconnected at their fluid inlet and outlet 3a, 3b, and each flat tube 100 being spaced to allow passage of a second fluid between said flat tubes 100.
  • the flat tubes 100 are interconnected at the fluid inlet and outlet 3a, 3b in order to form a fluid inlet column comprising all the fluid inlets of all the flat tubes 100 and an outlet column. of fluid comprising all the fluid outlets of all the flat tubes 100.
  • the use of inserts 51 as inserts 51 in the passes 5 of the flat tubes 100 allows the latter to have a smooth wall and thus facilitates the fixing, for example by brazing, disrupters 102 in space between two flat tubes 100.
  • the flat tube 100 due to the presence of a metal insert 51 made of a material creating a potential difference greater than or equal to 30mV with the material of the flat tube 100 and acting as a sacrificial anode , has a better resistance to corrosion, especially from the first fluid and therefore has a longer life.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP13811212.3A 2012-12-18 2013-12-18 Tube plat pour échangeur de chaleur d'air de suralimentation et échangeur de chaleur d'air de suralimentation correspondant Active EP2936038B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13811212T PL2936038T3 (pl) 2012-12-18 2013-12-18 Płaska rurka do wymiennika ciepła powietrza doładowującego i odpowiadający jej wymiennik ciepła powietrza doładowującego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1262265A FR2999696B1 (fr) 2012-12-18 2012-12-18 Tube plat pour echangeur de chaleur d'air de suralimentation et echangeur de chaleur d'air de suralimentation correspondant.
PCT/EP2013/077244 WO2014096105A1 (fr) 2012-12-18 2013-12-18 Tube plat pour échangeur de chaleur d'air de suralimentation et échangeur de chaleur d'air de suralimentation correspondant

Publications (2)

Publication Number Publication Date
EP2936038A1 EP2936038A1 (fr) 2015-10-28
EP2936038B1 true EP2936038B1 (fr) 2019-07-31

Family

ID=47882270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13811212.3A Active EP2936038B1 (fr) 2012-12-18 2013-12-18 Tube plat pour échangeur de chaleur d'air de suralimentation et échangeur de chaleur d'air de suralimentation correspondant

Country Status (9)

Country Link
US (1) US11098639B2 (pl)
EP (1) EP2936038B1 (pl)
JP (1) JP6400596B2 (pl)
KR (1) KR101679344B1 (pl)
CN (2) CN112228210A (pl)
ES (1) ES2753204T3 (pl)
FR (1) FR2999696B1 (pl)
PL (1) PL2936038T3 (pl)
WO (1) WO2014096105A1 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6580939B2 (ja) * 2015-10-20 2019-09-25 株式会社荏原製作所 研磨装置
WO2017072177A1 (en) * 2015-10-29 2017-05-04 Danfoss A/S Cathodic protection of a heat exchanger

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2078359A (en) * 1980-06-25 1982-01-06 Sumitomo Light Metal Ind Heat exchanger core
EP1120622A1 (en) * 1999-08-06 2001-08-01 Denso Corporation Heat exchanger
DE102005059717A1 (de) * 2004-12-13 2006-07-06 Behr Gmbh & Co. Kg Vorrichtung zum Austausch von Wärme für säurehaltige Gase
WO2009156365A1 (fr) * 2008-06-26 2009-12-30 Valeo Systemes Thermiques Echangeur de chaleur comportant un faisceau d'echange de chaleur et un boitier
WO2012018536A2 (en) * 2010-07-26 2012-02-09 Carrier Corporation Aluminum fin and tube heat exchanger

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JPS5568595A (en) * 1978-11-15 1980-05-23 Nissan Motor Co Ltd Aluminum made heat exchanger
JPS5851197B2 (ja) * 1979-04-20 1983-11-15 富士重工業株式会社 熱交換器
JPS58113347A (ja) * 1981-12-25 1983-07-06 Kobe Steel Ltd ろう付アルミニウム製熱交換器
JPS63207995A (ja) * 1987-02-20 1988-08-29 Nippon Denso Co Ltd 積層型熱交換器
JPH0624692Y2 (ja) * 1988-11-30 1994-06-29 昭和アルミニウム株式会社 水冷インタークーラ
JPH02290496A (ja) * 1989-04-28 1990-11-30 Showa Alum Corp 水冷式インタークーラ
JPH06272069A (ja) * 1993-03-22 1994-09-27 Nippon Light Metal Co Ltd 犠牲陽極を使用したＡｌ合金製ラジエータの防食
JP3783328B2 (ja) * 1997-04-23 2006-06-07 株式会社デンソー 熱交換器
JP2002168591A (ja) * 2000-11-29 2002-06-14 Denso Corp アルミニウム製熱交換器
JP2003227696A (ja) * 2002-02-05 2003-08-15 Denso Corp 熱交換器
JP2004132277A (ja) * 2002-10-10 2004-04-30 Toyo Radiator Co Ltd 多板型水冷インタークーラ
JP4404305B2 (ja) * 2003-05-22 2010-01-27 株式会社ティラド プレート型熱交換器
KR20070048176A (ko) * 2004-07-29 2007-05-08 쇼와 덴코 가부시키가이샤 열교환기 및 그 제조 방법
JP2008523296A (ja) * 2004-12-13 2008-07-03 ベール ゲーエムベーハー ウント コー カーゲー 酸を含むガスのための熱を交換する装置
JP4552805B2 (ja) * 2005-08-19 2010-09-29 株式会社デンソー 積層型熱交換器及びその製造方法
WO2007042206A1 (en) * 2005-10-13 2007-04-19 Aleris Aluminum Koblenz Gmbh Multi-layered brazing sheet
EP1941224A1 (de) * 2005-10-20 2008-07-09 Behr GmbH & Co. KG Wärmetauscher
DE102005053924B4 (de) * 2005-11-11 2016-03-31 Modine Manufacturing Co. Ladeluftkühler in Plattenbauweise
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FR2925663B1 (fr) * 2007-12-20 2016-01-01 Valeo Systemes Thermiques Refroidisseur d'air de suralimentation notamment pour vehicule automobile.
JP2010002123A (ja) * 2008-06-19 2010-01-07 Denso Corp 熱交換器
FR2933015B1 (fr) * 2008-06-26 2010-09-10 Valeo Systemes Thermiques Procede d'assemblage de pieces, les pieces et echangeur de chaleur
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2078359A (en) * 1980-06-25 1982-01-06 Sumitomo Light Metal Ind Heat exchanger core
EP1120622A1 (en) * 1999-08-06 2001-08-01 Denso Corporation Heat exchanger
DE102005059717A1 (de) * 2004-12-13 2006-07-06 Behr Gmbh & Co. Kg Vorrichtung zum Austausch von Wärme für säurehaltige Gase
WO2009156365A1 (fr) * 2008-06-26 2009-12-30 Valeo Systemes Thermiques Echangeur de chaleur comportant un faisceau d'echange de chaleur et un boitier
WO2012018536A2 (en) * 2010-07-26 2012-02-09 Carrier Corporation Aluminum fin and tube heat exchanger

Also Published As

Publication number Publication date
CN112228210A (zh) 2021-01-15
US11098639B2 (en) 2021-08-24
FR2999696A1 (fr) 2014-06-20
JP2016500436A (ja) 2016-01-12
ES2753204T3 (es) 2020-04-07
KR20150093241A (ko) 2015-08-17
WO2014096105A1 (fr) 2014-06-26
CN104995479A (zh) 2015-10-21
EP2936038A1 (fr) 2015-10-28
JP6400596B2 (ja) 2018-10-03
KR101679344B1 (ko) 2016-11-24
PL2936038T3 (pl) 2020-05-18
FR2999696B1 (fr) 2018-09-14
US20150322846A1 (en) 2015-11-12

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