EP1672305A1 - Ailette d'échange de chaleur et échangeur de chaleur - Google Patents

Ailette d'échange de chaleur et échangeur de chaleur Download PDF

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Publication number
EP1672305A1
EP1672305A1 EP05026044A EP05026044A EP1672305A1 EP 1672305 A1 EP1672305 A1 EP 1672305A1 EP 05026044 A EP05026044 A EP 05026044A EP 05026044 A EP05026044 A EP 05026044A EP 1672305 A1 EP1672305 A1 EP 1672305A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
heat exchange
rib
exchanger rib
edge strip
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.)
Withdrawn
Application number
EP05026044A
Other languages
German (de)
English (en)
Inventor
Viktor Dipl.-Ing. Brost
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.)
Modine Manufacturing Co
Original Assignee
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 Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP1672305A1 publication Critical patent/EP1672305A1/fr
Withdrawn legal-status Critical Current

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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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means

Definitions

  • the invention relates to a heat exchange fin through which a gaseous medium flows to be in heat exchange with another medium, wherein the heat exchange rib is preferably made of metal and is preferably made of an endless strip material and wherein at least one edge strip of the heat exchange fin is reinforced. Furthermore, the invention relates to a heat exchanger having heat exchange ribs.
  • Such heat exchange ribs are known from JP-A-60-018240 but also from the more recent EP 1 028 303 B1.
  • the reinforcement of both opposite edge strips of the heat exchanger rib was produced over as narrow a section as possible by folding over the edges.
  • the stability of the fins and the heat exchanger has been increased because the thickness of the strip is well below 0.5 mm and the fins, in addition to their main function of effecting efficient heat exchange, are expected to maintain the stability of the heat exchanger. Therefore, the wall thickness of the heat exchange fins can not be arbitrarily reduced.
  • one of several possible manufacturing methods for the heat exchange ribs has also been shown and described. It can be flat ribs or corrugated ribs.
  • the heat exchange performance is better with thicker ribs than with thinner ones, which may be due to the fact that the amount of heat transported per unit time decreases with thinning ribs, since the thermal conductivity resistance increases.
  • the geometry of the heat exchange ribs, such as corrugated fins, can not be changed arbitrarily. You could z. B. reduce the wavelength, but thereby the pressure loss, for example, the cooling air would be increased in an undesirable manner. In addition, of course, a longer strip material would be needed, which would be contrary to the actually desired weight reduction. Thus, there appears to be a contradiction here, because of course the demands go to lighter and more compact heat exchangers, which should, however, have the highest possible but at least not significantly lower heat exchange capacity. Therefore, inventive effort is needed to resolve such contradictions.
  • the object of the invention is to provide lighter and more compact heat exchangers with acceptable performance characteristics.
  • a section of the heat exchanger rib preferably the edge strip of the heat exchanger rib of the heat exchanger located at the inlet of the gaseous medium, is increased in wall thickness, wherein the width of the section or the edge strip is chosen such that the average temperature difference between the media is increased.
  • the width of the preferably edge strip should be approximately 5% to 60%, preferably 10 to 30%, of the total width of the heat exchanger rib.
  • the increased wall thickness is created by refolding the edge of the heat exchange fin.
  • strip material which has different wall thicknesses that is to say has at least one gradation of the wall thickness.
  • the temperature difference between the entry region and the more remote airflow direction of the heat exchange fin is reduced, but overall, that is across the overall width of the heat exchange fin, the average temperature difference between the two media is increased , which explains the improved heat exchange performance compared to a heat exchanger rib without wall thickening.
  • This can further with it It can be explained that the increase in the temperature in the entry region caused by the increase in the wall thickness is lower in value than the lowering of the temperature in the region remote therefrom.
  • the wall thickness of the heat exchanger rib is approximately in the range of 0.04 to 0.12 mm, with a preferred range of 0.04 to 0.08 mm was found.
  • corrugated ribs particularly good results were achieved in those with a rib height between 3 and 10 mm.
  • the use of extremely thin strip material has met the demand for lightweight construction in an excellent manner, while at the same time providing a particularly acceptable heat exchange performance.
  • the wall thickening makes its contribution to the stability of the heat exchanger rib or the heat exchanger, which is equipped according to the invention with such heat exchange ribs.
  • the heat exchanger has flat tubes and interposed heat exchange ribs, both preferably made of metal and connected to each other.
  • Fig. 2 shows a corrugated fin 1, which is equipped over the entire width B with sections 3.
  • the refolding is made to then introduce the cuts 3, which requires a corresponding training on the rib tool, not shown.
  • the sections 3 are used for targeted steering and propagation of flow starts. This training is not required if the cuts 3 in the edge strip 2a is dispensed with, as shown in FIG.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP05026044A 2004-12-17 2005-11-30 Ailette d'échange de chaleur et échangeur de chaleur Withdrawn EP1672305A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004060795A DE102004060795A1 (de) 2004-12-17 2004-12-17 Wärmetauschrippe und Wärmetauscher

Publications (1)

Publication Number Publication Date
EP1672305A1 true EP1672305A1 (fr) 2006-06-21

Family

ID=35911162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05026044A Withdrawn EP1672305A1 (fr) 2004-12-17 2005-11-30 Ailette d'échange de chaleur et échangeur de chaleur

Country Status (3)

Country Link
US (1) US20060131006A1 (fr)
EP (1) EP1672305A1 (fr)
DE (1) DE102004060795A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215111A (zh) * 2013-05-28 2014-12-17 哈米尔顿森德斯特兰德公司 换热器的芯组件和组装方法
CN104792212A (zh) * 2014-01-16 2015-07-22 马勒贝洱两合公司 热交换器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4674602B2 (ja) * 2007-11-22 2011-04-20 株式会社デンソー 熱交換器
US8167028B2 (en) * 2008-01-03 2012-05-01 Denso Corporation Heat exchanger fin with planar crests and troughs having slits
DE102008031612A1 (de) * 2008-07-07 2010-01-14 Behr Gmbh & Co. Kg Wellrippe für einen Wärmeübertrager, Wärmeübertrager, Verfahren zur Herstellung einer Wellrippe und Vorrichtung zur Durchführung des Verfahrens
JP5531570B2 (ja) * 2009-11-11 2014-06-25 株式会社豊田自動織機 沸騰冷却式熱交換器
WO2024203755A1 (fr) * 2023-03-28 2024-10-03 三菱電機株式会社 Échangeur de chaleur et son procédé de fabrication

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2055549A (en) * 1934-05-18 1936-09-29 Modine Mfg Co Heat exchange device
US2613065A (en) * 1947-11-21 1952-10-07 Chausson Usines Sa Cooling radiator
GB1017246A (en) * 1963-09-04 1966-01-19 Ford Motor Co Improvements in or relating to heat exchangers
FR2138417A1 (en) * 1971-05-25 1973-01-05 Hutogepgyar Heat exchanger comprising tubes and finned plates - in which collars at contact points are produced by working the plates comprise tube fin plate collar contact point produce working
JPS6018240A (ja) 1983-07-11 1985-01-30 Mitsubishi Heavy Ind Ltd 熱交換器用針状フインの製造方法
GB2133525B (en) 1983-01-10 1986-03-12 Nippon Denso Co Heat exchange tube
EP1028303B1 (fr) 1999-02-13 2001-01-31 Nederlandse Radiateuren Fabriek B.V. Ailette pour échangeur de chaleur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1138367A (en) * 1910-12-02 1915-05-04 Briscoe Mfg Company Radiator.
US1752879A (en) * 1928-09-15 1930-04-01 American Blower Corp Radiator
US2376749A (en) * 1942-01-16 1945-05-22 Cyril Terence Delaney And Gall Radiator
US4067384A (en) * 1976-06-17 1978-01-10 Miyakawa Gene K Heat exchanger core assembly for engine cooling system
JPH01157960U (fr) * 1988-04-25 1989-10-31
DE4142019A1 (de) * 1991-12-19 1993-06-24 Behr Gmbh & Co Wellrippe fuer flachrohrwaermetauscher
US6354367B1 (en) * 2001-02-12 2002-03-12 Rheem Manufacturing Company Air conditioning unit having coil portion with non-uniform fin arrangement
US7073573B2 (en) * 2004-06-09 2006-07-11 Honeywell International, Inc. Decreased hot side fin density heat exchanger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2055549A (en) * 1934-05-18 1936-09-29 Modine Mfg Co Heat exchange device
US2613065A (en) * 1947-11-21 1952-10-07 Chausson Usines Sa Cooling radiator
GB1017246A (en) * 1963-09-04 1966-01-19 Ford Motor Co Improvements in or relating to heat exchangers
FR2138417A1 (en) * 1971-05-25 1973-01-05 Hutogepgyar Heat exchanger comprising tubes and finned plates - in which collars at contact points are produced by working the plates comprise tube fin plate collar contact point produce working
GB2133525B (en) 1983-01-10 1986-03-12 Nippon Denso Co Heat exchange tube
JPS6018240A (ja) 1983-07-11 1985-01-30 Mitsubishi Heavy Ind Ltd 熱交換器用針状フインの製造方法
EP1028303B1 (fr) 1999-02-13 2001-01-31 Nederlandse Radiateuren Fabriek B.V. Ailette pour échangeur de chaleur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215111A (zh) * 2013-05-28 2014-12-17 哈米尔顿森德斯特兰德公司 换热器的芯组件和组装方法
CN104792212A (zh) * 2014-01-16 2015-07-22 马勒贝洱两合公司 热交换器
EP2910886A1 (fr) * 2014-01-16 2015-08-26 MAHLE International GmbH Caloporteur

Also Published As

Publication number Publication date
DE102004060795A1 (de) 2006-06-29
US20060131006A1 (en) 2006-06-22

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