WO2007028462A1 - Echangeur de chaleur assemble mecaniquement - Google Patents

Echangeur de chaleur assemble mecaniquement Download PDF

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Publication number
WO2007028462A1
WO2007028462A1 PCT/EP2006/007552 EP2006007552W WO2007028462A1 WO 2007028462 A1 WO2007028462 A1 WO 2007028462A1 EP 2006007552 W EP2006007552 W EP 2006007552W WO 2007028462 A1 WO2007028462 A1 WO 2007028462A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
offset
tubes
air flow
flow direction
Prior art date
Application number
PCT/EP2006/007552
Other languages
German (de)
English (en)
Inventor
Werner Helms
Wolfgang Kramer
Original Assignee
Behr Gmbh & Co. Kg
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 Behr Gmbh & Co. Kg filed Critical Behr Gmbh & Co. Kg
Publication of WO2007028462A1 publication Critical patent/WO2007028462A1/fr

Links

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
    • F28F1/24—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 and extending transversely
    • F28F1/32—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 and extending transversely the means having portions engaging further tubular elements
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators

Definitions

  • the invention relates to a mechanically joined heat exchanger, in particular a coolant radiator, as used in motor vehicles, according to the preamble of claim 1.
  • a mechanically joined heat exchanger in particular an air-cooled coolant radiator, is provided, with a plurality of mutually parallel tubes in which the tubes are arranged offset in their row to one another.
  • a simple offset i. the central axes of the tubes form two planes arranged parallel to one another, with center axes of adjacent tubes being arranged in different planes, or a double offset, i. the central axes of the tubes form three planes arranged parallel to one another, wherein preferably each tube of the middle row is arranged adjacent to a tube of the front and the rear row, in question.
  • Vibrations and engine movements which are transmitted via hoses or fasteners to the heat exchanger and generate bending stresses in the box / floor mesh, generate due to the greater rigidity of the heat exchanger even at low depths less or no or minimal deformation, so that a tightness safely guaranteed can be.
  • the heat exchanger is preferably a single-row heat exchanger, in particular a heat exchanger of small overall depth.
  • the offset of the tubes is preferably greater than zero, in particular greater than 0.2 times, more preferably greater than 0.5 times the tube width in the normal air flow direction, and is at most the simple, preferably at most 0.6 times the pipe width in the normal air flow direction.
  • the offset at a double offset is preferably the same in the air flow direction as the offset against the air flow direction.
  • the diameter of the tubes in the air flow direction is greater than or equal to (round tube) the diameter of the tube perpendicular to the air flow direction.
  • Fig. 1 is a schematic sectional view of a mechanically joined coolant radiator according to the first embodiment
  • Fig. 2 is a schematic sectional view of a mechanically joined coolant radiator according to the second embodiment.
  • a mechanically joined, single-row heat exchanger 1, in the present case an air-cooled coolant radiator, according to the first exemplary embodiment has a construction depth t of 15 mm.
  • - A - carries the depth of 15-30 mm, in particular 22 mm.
  • Oval tubes 2 are distributed over the width of the coolant radiator, wherein these are each arranged simply offset from one another. Perpendicular to the tubes 2 flat ribs 3 are arranged, which have a supernatant with respect to the tubes 2.
  • the tubes 2 have in the air flow direction (indicated by an arrow) a diameter d b of 8 mm and perpendicular thereto a diameter d a of 4.5 mm.
  • a double offset of the tubes 2 of the single-row heat exchanger 1 is provided.
  • the dimensions of the tubes 2 as well as the depth of the heat exchanger correspond to those of the first embodiment.
  • the illustrated section of the heat exchanger 1 shows six tubes 2, which are arranged in a flat ribbed package 3.
  • a series of tubes 2 in this case formed by three tubes 2o, arranged centrally in the direction of the depth t of the heat exchanger 1, a pipe 2i on one side of a centrally located pipe 2o is forward, against the air flow direction offset by an offset pi ,
  • the other adjacent tube 2 2 of the centrally located tube 2 0 is arranged offset in the air flow direction by an offset P 2 .
  • the offset in the air flow direction is greater than the offset against the direction of air flow.
  • the Offset in the air flow direction preferably substantially equal to the offset against the air flow direction.
  • the tubes 2 0 , 2i, 2z have in this case the same cross-section, wherein they have a diameter d b of 8 mm in the air flow direction (indicated by an arrow) and perpendicular thereto a diameter d a of 4.5 mm.
  • the offset pi against the air flow direction of the tubes 2o and 2i to each other according to the second embodiment is 2 mm
  • the offset p 2 in the air flow direction of the tubes 2o and 2 2 to each other is 2.5 mm.

Abstract

L'invention concerne un échangeur de chaleur (1) assemblé mécaniquement, en particulier un radiateur de liquide de refroidissement refroidi par air, présentant plusieurs tubes (2 ; 20, 21, 22) placés parallèlement les uns aux autres. Selon ladite invention, les tubes (2 ; 20, 21, 22) d'une rangée de tubes sont placés de manière décalée les uns par rapport aux autres.
PCT/EP2006/007552 2005-09-02 2006-07-31 Echangeur de chaleur assemble mecaniquement WO2007028462A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005042044.3 2005-09-02
DE200510042044 DE102005042044A1 (de) 2005-09-02 2005-09-02 Mechanisch gefügter Wärmetauscher

Publications (1)

Publication Number Publication Date
WO2007028462A1 true WO2007028462A1 (fr) 2007-03-15

Family

ID=37420910

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/007552 WO2007028462A1 (fr) 2005-09-02 2006-07-31 Echangeur de chaleur assemble mecaniquement

Country Status (2)

Country Link
DE (1) DE102005042044A1 (fr)
WO (1) WO2007028462A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010126725A (ja) * 2008-12-01 2010-06-10 Exax Inc 耐熱性導電パターンを基板に形成するためのペースト組成物

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441652A1 (de) * 1973-09-03 1975-04-30 Hitachi Ltd Waermetauscher
JPH02154987A (ja) * 1988-12-06 1990-06-14 Matsushita Refrig Co Ltd フィン付熱交換器
JPH1089870A (ja) * 1996-09-18 1998-04-10 Nippon Light Metal Co Ltd 熱交換器の製造方法及び熱交換器
WO2000000778A2 (fr) * 1998-06-12 2000-01-06 S.C. Romradiatoare S.A. Elements rayonnants haute efficacite pour echangeurs thermiques et procede de fabrication d'echangeurs thermiques a l'aide de ces elements
WO2000019162A1 (fr) * 1998-09-30 2000-04-06 Norsk Hydro Asa Ailette d'echangeur de chaleur
FR2784455A1 (fr) * 1998-10-07 2000-04-14 Valeo Thermique Moteur Sa Tube plie pour un echangeur de chaleur assemble, notamment de vehicule automobile, faisceau de tubes plies et echangeur de chaleur correspondants
EP1396688A2 (fr) * 2002-09-05 2004-03-10 Robert Bosch Gmbh Echangeur de chaleur pour chauffe-eau chauffé par un combustible

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA886812B (en) * 1987-11-23 1989-07-26 Bristol Myers Co Anti-tumor prodrugs
DE19740114A1 (de) * 1997-09-12 1999-03-18 Behr Gmbh & Co Wärmetauscher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441652A1 (de) * 1973-09-03 1975-04-30 Hitachi Ltd Waermetauscher
JPH02154987A (ja) * 1988-12-06 1990-06-14 Matsushita Refrig Co Ltd フィン付熱交換器
JPH1089870A (ja) * 1996-09-18 1998-04-10 Nippon Light Metal Co Ltd 熱交換器の製造方法及び熱交換器
WO2000000778A2 (fr) * 1998-06-12 2000-01-06 S.C. Romradiatoare S.A. Elements rayonnants haute efficacite pour echangeurs thermiques et procede de fabrication d'echangeurs thermiques a l'aide de ces elements
WO2000019162A1 (fr) * 1998-09-30 2000-04-06 Norsk Hydro Asa Ailette d'echangeur de chaleur
FR2784455A1 (fr) * 1998-10-07 2000-04-14 Valeo Thermique Moteur Sa Tube plie pour un echangeur de chaleur assemble, notamment de vehicule automobile, faisceau de tubes plies et echangeur de chaleur correspondants
EP1396688A2 (fr) * 2002-09-05 2004-03-10 Robert Bosch Gmbh Echangeur de chaleur pour chauffe-eau chauffé par un combustible

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010126725A (ja) * 2008-12-01 2010-06-10 Exax Inc 耐熱性導電パターンを基板に形成するためのペースト組成物

Also Published As

Publication number Publication date
DE102005042044A1 (de) 2007-03-08

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