EP1774242B1 - Radiateur, notamment radiateur pour vehicules automobiles - Google Patents

Radiateur, notamment radiateur pour vehicules automobiles Download PDF

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Publication number
EP1774242B1
EP1774242B1 EP05768706A EP05768706A EP1774242B1 EP 1774242 B1 EP1774242 B1 EP 1774242B1 EP 05768706 A EP05768706 A EP 05768706A EP 05768706 A EP05768706 A EP 05768706A EP 1774242 B1 EP1774242 B1 EP 1774242B1
Authority
EP
European Patent Office
Prior art keywords
radiator
side plate
width
headers
corrugated fins
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.)
Not-in-force
Application number
EP05768706A
Other languages
German (de)
English (en)
Other versions
EP1774242A1 (fr
Inventor
Joachim Kopp
Wolfgang Kramer
Juan Antonio Lopez Rico
Thomas Ruppel
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and 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 and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1774242A1 publication Critical patent/EP1774242A1/fr
Application granted granted Critical
Publication of EP1774242B1 publication Critical patent/EP1774242B1/fr
Not-in-force 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
    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • 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 radiator, in particular a radiator as used in vehicles and is preferably integrated in the cooling circuit for an internal combustion engine.
  • Such coolers are usually designed as so-called tube radiators, in which extend between two preferably vertically aligned manifolds in the longitudinal direction of mutually parallel cooling tubes. In this case, a flow of a coolant from a manifold through the cooling tubes to the other manifold takes place.
  • a tube extending in the transverse direction of the extension that is to say the width of the cooler, and flowing, preferably gaseous cooling medium, such as ambient air.
  • the corrugated ribs are, in particular, a corrugated narrow sheet-metal strip whose ridge lines extend in the direction of the width of the radiator and which are held fastened alternately along the ridge lines to a lower or upper cooling tube, in particular by soldering to the cooling tubes are.
  • each corrugated fins it is known to provide above the uppermost and below the lowest cooling tube of the radiator also each corrugated fins.
  • a side plate on at least one of the sides extending parallel to the cooling tubes and across the width of the radiator.
  • a radiator as it serves in particular as a radiator for vehicles, has two extending in the vertical direction manifolds.
  • the headers are fluidly connected to each other in the longitudinal direction via mutually parallel cooling tubes.
  • the ridge lines extend in the direction of the width of the radiator and alternately abut each other on both sides of a cooling tube.
  • at least one side plate is provided which extends on the outside between the collecting pipes parallel to the cooling tubes and in its width substantially corresponds to the width of the corrugated ribs.
  • the at least one side plate to the headers adjacent areas a material weakening, such as in the EP 0 748 995 A2 shown.
  • the disadvantage can be compensated that due to Montagemanipulationen and manufacturing tolerances attaching the corrugated fins on the cooling tube or when attaching the side plate on the corrugated ribs in the region of the peripheral corrugated ribs, for example by pushing together the corrugated ribs and a slight excess of solder during soldering, a Flocking of the corrugated fins is formed, so that in the region which is adjacent to the headers, there is an increased rigidity of the corrugated fins with respect to the longitudinal extent.
  • the weakening of the material may consist of a reduction in the width of the material of the side panel in the region adjacent to the collecting tube.
  • the high flexibility and low rigidity of the side part is generated in particular in the area in which otherwise the highest load transfer from side plate to cooling tube via the corrugated fins takes place.
  • the reduction of the width of the material is formed such that the side plate has on at least one side a continuous, linear side edge in the longitudinal direction of the radiator.
  • a straight, linear front or rear end of the radiator plate is created, which is not changed by a reduction of the cross section in its contour. This measure creates in particular a defined outer contour of the radiator, for example, in view.
  • the object of the invention is to form side plates so that damage to the radiator can be reliably avoided.
  • the side bleach in the region of the material weakening from a small number, for example up to five narrow material fingers.
  • Each of the material fingers is a narrow material web, which is narrower than the width of the side strip and protrudes from a base body of the side plate in the direction of the collecting tube or extends as far as the collecting tube.
  • the material finger extends towards the last wave crest of a wave rib.
  • the formation of narrow material fingers allows a soft design of the side plate in the area of the fingers. In this case, it can be provided in particular that in each case a finger is formed marginally, so that an outwardly continuous side edge of the side plate is created.
  • the number of material fingers must be determined according to the requirements of rigidity and flexibility.
  • stiffeners which consist of an elevation in the profile formation in the vertical direction.
  • carrier-like stiffeners are created, which mainly increase the power and load absorption in the vertical direction of the material weakening area.
  • the at least one side plate is fastened exclusively to corrugated ribs, in particular connected to them by soldering.
  • the exclusive fixing of the side plate on the corrugated fins avoids a connection of the side plate with the headers, so that in this area there is no stiff support from the side plate to the headers, which are related to stresses due to different thermal expansion the adjacent cooling tube leads, which are transmitted through a wave plate.
  • the corrugated sheet is so stored against the headers floating on the ridgelines of the corrugated ribs.
  • a side plate gap is formed between side plate and manifold. The side plate does not extend directly to the headers, but is spaced from them by a gap.
  • This gap serves as an expansion space for the side plate in the longitudinal direction and on the other hand prevents forces are introduced from the side plate on the last flanks of the corrugated fins in the adjacent cooling tube and forces are introduced in the region of its base on the manifold, resulting in leaks in the radiator could lead.
  • the gap has a gap width, which extends a number of periods of the waves of the corrugated sheet, so over a certain number of comb lines of the corrugated sheet away.
  • the number of ridge lines is preferably below 20 and in particular between 5 and 15.
  • the FIG. 1 shows a section of a cooler 10 in three-dimensional representation.
  • the cooler is formed from a collecting tube 11, which extends in the direction of the vertical axis, ie the vertical.
  • cooling tubes 12 In the longitudinal direction between two headers 11 extending cooling tubes 12, wherein between each two cooling tubes corrugated fins 13 are arranged, which have ridge lines 14 which extend in the direction of the width B of the radiator.
  • the ridge lines 14 of the corrugated ribs are each in contact with a cooling pipe 12 arranged above and below and connected thereto by soldering.
  • the side plate 40 is attached to the top, which is in particular connected by soldering with the ridgelines of the corrugated fins 13.
  • the side plate has a width b, which corresponds substantially to the width B of the radiator and the corrugated fins 13.
  • FIG. 1 an embodiment in which in a region 49 which is adjacent to the collecting tube 11, the side plate is weakened in its rigidity that the side plate consists only of two material fingers 43, extending to the inner edge of the manifold 11, which in particular as Tube bottom 15 is formed, comes close.
  • the two material fingers 43 are arranged so that they are offset with respect to the outer side edge 42 of the side plate inwardly.
  • FIGS. 2a to 6b show in schematic diagrams of different embodiments of side plates in each case the FIG. 2a . 3a . 4a . 5a and 6a show a schematic side view, while the following Figures 2b, ... 2e . 3b , ... 6b each corresponding oversight on accordingly designed side panels show.
  • FIG. 2a shows the tube sheet 15 of a collecting tube 11 of a radiator 10 and a cooling tube 12 held in the tube bottom, wherein the cooling tube 12 is the uppermost cooling tube.
  • the corrugated fins 13 are arranged.
  • a weakening region 49 is formed by that on the upper side
  • the corrugated ribs 13 held side plate 40 does not extend to the tube sheet 15, but a portion 49 is formed in which no side plate is provided. In this case, the region 49 extends over several periods of waves of the corrugated fins 13.
  • the FIG. 2b shows in plan the embodiment of the FIG. 2a ,
  • the side plate 40 extends only to a region 49 which extends between the side plate 40 and the tube bottom 15 of the collecting tube 11.
  • a plurality of ridge lines 14 of the corrugated fins 13, which are not covered by the side panel 40, can be seen in the plan view in region 49.
  • the side plate is in the embodiments according to the FIG. 2 each connected only by soldering with adjacent ridge lines 14 of the corrugated fins 13, as well as the corrugated fins 13 are connected to the underlying cooling tube 12 by soldering in the lower ridge lines 14.
  • FIGS. 2c to 2e show corresponding embodiments, which only in the design of the side plate 40 of the embodiment according to the FIGS. 2a and 2b differ.
  • the side plate is in accordance with the FIGS. 2c to 2e each designed so that it extends almost to the tube plate 15 and thus to the manifold 11 and a total of at most a small number, for example, one or two ridge lines 14 of the corrugated fins are not in communication with the side plate 40. It is common to all three embodiments that in the region 49, in each case, a taper of the side plate takes place in its width b.
  • the side plate 40 runs in the embodiment according to the Figure 2c pointed, wherein the tip is formed in the middle of the width B of the radiator 10, wherein in the Figure 2d the tip of the side plate 40 is located in the region of a side edge 42, so that the side edge 42 at least on one side of the radiator extends at least almost to the tube plate 15 over the entire length of the radiator.
  • the FIG. 2e shows an embodiment, wherein the width b of the side plate is continuously tapered on both sides, the closer the weakening region 49 on the tube sheet 15. There is almost a transition to a finger-shaped portion of the side plate 40 instead.
  • the transmission of forces to the corrugated fins 13 is distributed over a larger area in this area.
  • the introduction of force takes place in a larger region of the cooling tube 12 so that no peak loads occur locally which can result in stress regions in the root region of the cooling tube 12 on the tubesheet 15.
  • FIGS. 3a and 3b as well as the FIGS. 4a and 4b show in each case in a schematically sectioned side view or top view of an embodiment of a side plate with a weakened area in the vicinity of the manifold 11.
  • the cooling tube 12 Inserted into the tubesheet and tightly connected thereto by soldering is the cooling tube 12, again showing only one cooling tube.
  • the corrugated fins 13 are arranged, wherein the lower ridge lines 14 are connected by soldering with cooling tube 12.
  • the side part 40 is connected in each case to the corrugated ribs 13, wherein the side part 40 in each case only just reaches the tube sheet 15 and is spaced therefrom by a narrow gap 47.
  • a stiffener 44 is formed, which extends in the longitudinal direction of the side plate 40, but is raised in the vertical direction over the remaining course of the side plate 40.
  • FIGS. 3a and 3b an embodiment, wherein adjacent to the weakening region 49, the side plate 40 has a bend 45, which has a combing line 46 extending in the direction of the width b of the side plate.
  • This deflection 45 ensures a high degree of flexibility of the weakening region 49, which is given in particular by bending the side plate in the region of the deflection 45 and a high extensibility in the longitudinal direction of the side plate 40.
  • FIGS. 4a and 4b shows - how FIG. 1 - A design in which the weakening region 49 is formed by fingers 43, wherein the stiffeners 44 hineinerstecken over the fingers away into the unattenuated region of the side plate 40.
  • the fingers 43 are thus protected against bending in the vertical direction, namely the vertical direction by the stiffeners 44. Only because the side plate 40 does not extend over the entire width B of the cooler in the region of the fingers 43 ensures that there is no excessive stiffening in the foot region of the cooling tubes 12 on the tubesheet 15.
  • FIGS. 5a and 5b show an embodiment in which recesses 48 are given in the material of the side plate 40 as a weakening.
  • a deflection 45 is formed in the transition region between the weakening region 49 and the remaining portion of the side panel 40, wherein in the region of the deflection 45 and a weakening of the side plate 40 is given by the fact that in this area the side plate 40 is not over the full width B of the radiator 10 extends.
  • the recesses 48 are formed in particular as punched-out in the material of the side plate 40, so that a largely closed contour of the side plate is given. Except for the area of the deflection 45, a continuous side edge 42 of the side plate extends on both sides of the cooler 10 at the edge of the corrugated fins 13.
  • FIGS. 5a and 5b corresponds to the embodiment of FIGS. 5a and 5b , wherein only the recesses 48 has been omitted, as far as they are not formed in the region of the deflection 45.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (4)

  1. Radiateur (10), en particulier radiateur (10) pour des véhicules automobiles, comprenant des tubes de refroidissement (12) s'étendant parallèlement entre eux dans le sens longitudinal, s'étendant comme des tubes collecteurs (11) entre deux collecteurs s'étendant dans le sens de la hauteur, et comprenant, disposées entre les tubes de refroidissement (12), des ailettes ondulées (13) dont les lignes de crête (14) s'étendent dans le sens de la largeur du radiateur (10), et comprenant au moins une tôle latérale (40) qui, à l'extérieur, entre les tubes collecteurs (11), s'étend parallèlement aux tubes de refroidissement (12) et dont la largeur (b) correspond sensiblement à la largeur (B) des ailettes ondulées (13), où la tôle latérale (40) au moins au nombre de un présente un affaiblissement de matière dans les zones (49) voisines des tubes collecteurs (11),
    caractérisé en ce que la tôle latérale (40), dans la zone de l'affaiblissement de matière, se compose d'un nombre réduit de doigts de matière étroits (43) et, dans la zone de l'affaiblissement de matière, il est prévu des renforts (44) s'étendant dans le sens longitudinal et formés par profilage dans le sens de la hauteur, et où les renforts s'étendent au-delà des doigts, jusqu'à pénétrer dans les zones non affaiblies.
  2. Radiateur (10) selon la revendication 1, caractérisé en ce que la tôle latérale (40) au moins au nombre de un est fixée exclusivement sur les ailettes ondulées (13) et, en particulier, assemblée à celles-ci par brasage, de préférence par brasage fort.
  3. Radiateur (10) selon l'une ou l'autre des revendications précédentes, caractérisé en ce que la tôle latérale (40) au moins au nombre de un présente un intervalle (47) par rapport au tube collecteur (11).
  4. Radiateur (10) selon la revendication 3, caractérisé en ce que l'intervalle (47) présente une largeur d'intervalle qui s'étend sur un certain nombre de périodes des ondulations de la tôle ondulée (13), en particulier sur moins de 20 ailettes ondulées, de préférence sur 5 à 15 ailettes ondulées environ.
EP05768706A 2004-07-23 2005-07-25 Radiateur, notamment radiateur pour vehicules automobiles Not-in-force EP1774242B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004036019A DE102004036019A1 (de) 2004-07-23 2004-07-23 Kühler, insbesondere Kühler für Fahrzeuge
PCT/EP2005/008070 WO2006010582A1 (fr) 2004-07-23 2005-07-25 Radiateur, notamment radiateur pour vehicules automobiles

Publications (2)

Publication Number Publication Date
EP1774242A1 EP1774242A1 (fr) 2007-04-18
EP1774242B1 true EP1774242B1 (fr) 2009-02-25

Family

ID=34981129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05768706A Not-in-force EP1774242B1 (fr) 2004-07-23 2005-07-25 Radiateur, notamment radiateur pour vehicules automobiles

Country Status (5)

Country Link
US (1) US20080000437A1 (fr)
EP (1) EP1774242B1 (fr)
AT (1) ATE423954T1 (fr)
DE (2) DE102004036019A1 (fr)
WO (1) WO2006010582A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7594327B2 (en) * 2005-04-11 2009-09-29 Modine Manufacturing Company Heat exchanger and method of making the same
DE102007052888A1 (de) * 2007-11-02 2009-05-07 Behr Gmbh & Co. Kg Wärmeübertrager, insbesondere für ein Fahrzeug
CN103161561A (zh) * 2013-02-20 2013-06-19 广西柳工机械股份有限公司 散热器
CN106499496A (zh) * 2016-12-06 2017-03-15 江西鑫田车业有限公司 一种穿片式汽车散热器及制造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2183375A5 (fr) * 1972-05-04 1973-12-14 Chausson Usines Sa
US4903389A (en) * 1988-05-31 1990-02-27 General Motors Corporation Heat exchanger with laminated header and method of manufacture
JPH02109184U (fr) * 1989-02-17 1990-08-30
JP2546505Y2 (ja) * 1991-05-23 1997-09-03 株式会社ゼクセル 熱交換器のブラケット取付構造
GB2303437A (en) * 1995-06-12 1997-02-19 Ford Motor Co Stress relief in heat exchangers
DE19651625A1 (de) * 1996-12-12 1998-06-18 Behr Industrietech Gmbh & Co Wärmeübertrager
JP3912836B2 (ja) * 1997-02-21 2007-05-09 サンデン株式会社 熱交換器
DE19737273A1 (de) * 1997-08-27 1999-03-04 Behr Gmbh & Co Wärmetauscher
JPH11325783A (ja) * 1998-05-20 1999-11-26 Showa Alum Corp 熱交換器及びその製造方法
DE19824659A1 (de) * 1998-06-03 1999-12-09 Behr Gmbh & Co Wärmeübertrager, insbesondere Kühler für Kraftfahrzeuge
US6328098B1 (en) * 1998-11-10 2001-12-11 Valeo Inc. Side member for heat exchanger and heat exchanger incorporating side plate
DE10255011A1 (de) * 2002-04-09 2003-10-30 Behr Gmbh & Co Wärmeübertragereinheit, insbesondere für ein Kraftfahrzeug
DE10218048A1 (de) * 2002-04-23 2003-11-13 Behr Gmbh & Co Wärmeübertrager, insbesondere Wärmeübertragermodul, für ein Kraftfahrzeug
US20050224219A1 (en) * 2002-11-25 2005-10-13 Behr Gmbh &Co. Kg Heat exchanger unit, in particular for a motor vehicle and method for producing said unit
DE10333150A1 (de) * 2003-07-22 2005-02-17 Modine Manufacturing Co., Racine Wärmeaustauscher für Kraftfahrzeuge
JP4604759B2 (ja) * 2005-02-22 2011-01-05 株式会社デンソー 熱交換器
JP2008020085A (ja) * 2006-07-10 2008-01-31 Denso Corp 熱交換器

Also Published As

Publication number Publication date
WO2006010582A1 (fr) 2006-02-02
DE102004036019A1 (de) 2006-02-16
EP1774242A1 (fr) 2007-04-18
US20080000437A1 (en) 2008-01-03
DE502005006705D1 (de) 2009-04-09
ATE423954T1 (de) 2009-03-15

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