EP0928941A2 - Flat radiator - Google Patents

Flat radiator Download PDF

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Publication number
EP0928941A2
EP0928941A2 EP98117710A EP98117710A EP0928941A2 EP 0928941 A2 EP0928941 A2 EP 0928941A2 EP 98117710 A EP98117710 A EP 98117710A EP 98117710 A EP98117710 A EP 98117710A EP 0928941 A2 EP0928941 A2 EP 0928941A2
Authority
EP
European Patent Office
Prior art keywords
plate
front plate
welding
rear plate
plates
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Withdrawn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
EP98117710A
Other languages
German (de)
French (fr)
Other versions
EP0928941A3 (en
Inventor
Jos Vaessen
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.)
BRUGMAN INTERNATIONAL BV
Original Assignee
BRUGMAN INTERNATIONAL BV
Nv Vasco
VASCO NV
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 BRUGMAN INTERNATIONAL BV, Nv Vasco, VASCO NV filed Critical BRUGMAN INTERNATIONAL BV
Publication of EP0928941A2 publication Critical patent/EP0928941A2/en
Publication of EP0928941A3 publication Critical patent/EP0928941A3/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
    • B21D53/045—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal by inflating partially united plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • F28F3/14—Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation

Definitions

  • the invention relates to a flat radiator from two adjacent steel plates on the edges and at a distance from the edge at individual points by welding are attached to each other, the front flat Plate has a greater thickness than the rear one corrugated plate.
  • the object of the invention is to provide a flat radiator to improve the type mentioned so that at not too thick front plate the welds on the front are not visible.
  • This object is achieved in that the deformation of the rear plate by inserting a Fluids under pressure between the two plates.
  • Such a flat radiator has a completely flat one Front plate on which welding seams cannot be seen.
  • the manufacture is simple and leads to Flat radiators with a relatively low weight.
  • the water channels 5 are by inflating the Preserve space between the plates.
  • a Connection opening becomes a medium under high pressure introduced and both plates go between the Weld seams apart to form hollow shafts 3.
  • the front plate at least 1.8 mm thick and the back plate about 1 mm thick.
  • the channel height is 2 mm.
  • Front plate and rear plate are made different materials and / or material thickness chosen.
  • the front plate 1 is made of very hard Material and the back plate 2 from deep-drawing quality.
  • the front plate is very stable and does not deform while inflating.
  • the back plate is very flexible and easily deforms during inflation. Micro-alloyed steel types are an advantage.
  • the Front plate is made of high-strength steel with a high yield strength, the back plate out Thermoforming quality with a low yield strength. So that there is no marking of the weld seams on the Front there is a minimum thickness of the front panel required.
  • the back plate is as thin as possible, so the inflation process is simplified.
  • the thickness of the Front plate is at least 50% larger than that of the Backplate.
  • Pipe sockets 6, 7 are welded to the rear plate, through which the print medium is created and which later serve the water flow.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Laser Beam Processing (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Deformation of the rear plate in order to create ripple profiles in it is caused by introducing a fluid under pressure between the front and rear plates (1). The two plates are welded together along their edges and at individual spots away from these edges. The flat front plate (1) is thicker than the rippled rear plate. Independent claims are also included for (a) the above radiator with a specific front to rear plate thickness ratio, and (b) the radiator assembly method, by welding the ripple profiles in the rear plate to the front plate.

Description

Die Erfindung betrifft einen Flachheizkörper aus zwei aneinanderliegenden Stahlplatten, die an den Rändern und im Abstand zum Rand an einzelnen Stellen durch Schweißen aneinander befestigt sind, wobei die vordere flache Platte eine größere Dicke aufweist als die hintere gewellte Platte.The invention relates to a flat radiator from two adjacent steel plates on the edges and at a distance from the edge at individual points by welding are attached to each other, the front flat Plate has a greater thickness than the rear one corrugated plate.

Es ist bekannt, Flachheizkörper aus zwei Platten aneinander zu schweißen, wobei beide Platten mit Wellungen vorgeformt sind. Die äußeren Ränder sind durch Rollnahtschweißung miteinander verbunden und die in der Fläche befindlichen Stellen sind punktgeschweißt. Wird für die vordere Seite eine flache Platte gewählt, so zeichnen sich die Schweißstellen besonders stark ab. Um dies zu verhindern, wurde versucht, die vordere Platte sehr dick zu wählen. Dies führt aber zu einer erheblichen Gewichtserhöhung. Ferner wurde durch Abschleifen der Vorderseite und anschließendem Lackieren versucht, die sichtbaren Spuren der Nähte zu beseitigen. Dies gelingt aber nur unvollständig. Schweißnähte und Schweißpunkte zeichnen sich nicht nur ab, ein zusätzlicher Nachteil ist, daß durch den Unterschied in Material und Form der vorderen und hinteren Platte, der Flachheizkörper dazu neigt, sich zu verziehen. Die Spannungen der Schweißnähte verhalten sich in der vorderen Platte anders als in der hinteren Platte. Ferner kann bei einer nicht ausreichend dicken Vorderplatte nicht verhindert werden, daß diese sich auch wellt.It is known flat radiators made of two plates to weld to each other, both plates with corrugations are preformed. The outer edges are through Roll seam welding joined together and that in the Spot areas are spot welded. Is for the front side chose a flat plate, so draw the welding spots become particularly sharp. To do this To prevent it, the front plate was tried very thick to choose. But this leads to a considerable one Weight gain. Furthermore, by grinding the Front and then painting tried that remove visible traces of the seams. This succeeds but only incomplete. Welds and weld spots are not just emerging, an additional disadvantage is that the difference in material and shape of the front and rear plate, the flat radiator tends to warp. The tension of the welds behave differently in the front plate than in the rear plate. Furthermore, one may not be sufficient thick front panel cannot prevent this also curls.

Aufgabe der Erfindung ist es, einen Flachheizkörper der eingangs genannten Art so zu verbessern, daß bei nicht zu dicker Vorderplatte die Schweißungen an deren Vorderseite nicht sichtbar sind.The object of the invention is to provide a flat radiator to improve the type mentioned so that at not too thick front plate the welds on the front are not visible.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Verformung der hinteren Platte durch Einbringen eines Fluids unter Druck zwischen beide Platten erfolgt.This object is achieved in that the deformation of the rear plate by inserting a Fluids under pressure between the two plates.

Ein solcher Flachheizkörper hat eine völlig flache Vorderplatte, auf der Schweißnähte nicht zu sehen sind. Hierbei ist die Herstellung einfach und führt zu Flachheizkörpern mit verhältnismäßig geringem Gewicht.Such a flat radiator has a completely flat one Front plate on which welding seams cannot be seen. Here, the manufacture is simple and leads to Flat radiators with a relatively low weight.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen aufgeführt.Advantageous embodiments of the invention are in the Subclaims listed.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen

Fig. 1
eine Seitenansicht eines Flachheizkörpers,
Fig. 2
einen Schnitt nach A-A in Fig. 1,
Fig. 3
einen Ausschnitt aus Fig. 2.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
Fig. 1
a side view of a flat radiator,
Fig. 2
2 shows a section according to AA in FIG. 1,
Fig. 3
a section of Fig. 2nd

Zu Beginn sind sowohl die vordere 1 als auch die hintere Platte 2 völlig flach und werden durch Laserschweißen miteinander an allen Rändern sowie auch an Stellen über der Fläche verbunden. Die Schweißung 4 wird von der Seite der hinteren Platte 2 initiiert. Die Laserschweißung dringt völlig durch die Hinterplatte 2 und teilweise durch die Vorderplatte 1. Bei richtiger Wahl von Dicke und Material der Platten und durch Optimierung der Schweißparameter gibt es keine Abzeichnungen der Schweißungen an der Vorderseite der Platte.At the beginning there are both the front 1 and the rear Plate 2 completely flat and are made by laser welding with each other on all edges as well as in places connected to the surface. The weld 4 is from the side the rear plate 2 initiated. The laser welding penetrates completely through the back plate 2 and partially through the front plate 1. With the correct choice of thickness and material of the panels and by optimizing the There are no signs of welding parameters Welds on the front of the plate.

Die Wasserkanäle 5 werden durch Aufblasen des Zwischenraumes zwischen den Platten erhalten. Durch eine Anschlußöffnung wird ein Medium unter Hochdruck eingeführt und beide Platten gehen zwischen den Schweißnähten auseinander um hohle Wellen 3 zu bilden. Damit nicht die Vorderplatte 1, sondern nur die Hinterplatte 2 sich wellt, ist die Vorderplatte mindestens 1,8 mm dick und die Hinterplatte etwa 1 mm dick. Die Kanalhöhe beträgt hierbei 2 mm.The water channels 5 are by inflating the Preserve space between the plates. By a Connection opening becomes a medium under high pressure introduced and both plates go between the Weld seams apart to form hollow shafts 3. So that not the front plate 1, but only that Back plate 2 is undulating, is the front plate at least 1.8 mm thick and the back plate about 1 mm thick. The channel height is 2 mm.

Vorderplatte und Hinterplatte werden aus unterschiedlichen Materialien und/oder Materialdicke gewählt. Die Vorderplatte 1 besteht aus sehr hartem Material und die Hinterplatte 2 aus Tiefziehqualität.Front plate and rear plate are made different materials and / or material thickness chosen. The front plate 1 is made of very hard Material and the back plate 2 from deep-drawing quality.

Die Vorderplatte ist sehr stabil und verformt sich nicht während des Aufblasens. Die Hinterplatte ist sehr flexibel und verformt sich während des Aufblasens leicht. Microlegierte Stahlarten sind von Vorteil. Die Vorderplatte besteht aus hochstarkem Stahl mit einer hohen Streckgrenze, die Hinterplatte aus Tiefziehqualität mit einer niedrigen Streckgrenze. Damit es keine Abzeichnung der Schweißnähte an der Vorderseite gibt, ist eine Mindestdicke der Vorderplatte erforderlich. Die Hinterplatte ist möglichst dünn, damit der Aufblasprozeß vereinfacht wird. Die Dicke der Vorderplatte ist mindestens 50 % größer als die der Hinterplatte.The front plate is very stable and does not deform while inflating. The back plate is very flexible and easily deforms during inflation. Micro-alloyed steel types are an advantage. The Front plate is made of high-strength steel with a high yield strength, the back plate out Thermoforming quality with a low yield strength. So that there is no marking of the weld seams on the Front there is a minimum thickness of the front panel required. The back plate is as thin as possible, so the inflation process is simplified. The thickness of the Front plate is at least 50% larger than that of the Backplate.

Das Verhältnis des Produkts der Streckgrenze der Vorderplatte mit der Dicke der Vorderplatte zu dem Produkt der Streckgrenze der Hinterplatte mit der Dicke der Hinterplatte ist = 3,3.The ratio of the product to the yield strength of the Front plate with the thickness of the front plate to that Product of the yield strength of the back plate with the thickness the rear plate is = 3.3.

Es gilt somit: (Re(1) x d(1)) / (Re(2) x d(2)) = 3,3, wobei Re(1) und Re(2) die Streckgrenzen der Vorder- bzw. Hinterplatte und d(1) sowie d(2) die Dicken der Vorderbzw. Hinterplatte sind.The following therefore applies: (Re (1) xd (1)) / (Re (2) xd (2)) = 3.3 , where Re (1) and Re (2) the yield strengths of the front or rear plate and d (1) and d (2) the thicknesses of the front or. Backplate are.

An der Hinterplatte sind Rohrstutzen 6, 7 angeschweißt, durch die das Druckmedium angelegt wird und die später der Wasserführung dienen.Pipe sockets 6, 7 are welded to the rear plate, through which the print medium is created and which later serve the water flow.

Während des Eindrückens des Fluids (insbesondere von Wasser) wird die hintere Platte 2 an den Schweißstellen 4 gegen die vordere Platte 1 gedrückt. Hierzu sind Stempel 8 vorgesehen, deren vordere Druckflächen in Größe und Form den Schweißstellen 4 entsprechen. Während dieses Arbeitsvorganges liegt die vordere Platte 1 mit ihrer Vorderseite auf einer ebenen festen Unterlage.During the indentation of the fluid (especially from Water), the rear plate 2 at the welding points 4 pressed against the front plate 1. There are stamps for this 8 provided, the front printing areas in size and Shape correspond to the welds 4. During this Operation is the front plate 1 with your Front on a flat, firm surface.

Claims (11)

Flachheizkörper aus zwei aneinanderliegenden Stahlplatten (1, 2), die an den Rändern und im Abstand zum Rand an einzelnen Stellen durch Schweißen aneinander befestigt sind, wobei die vordere flache Platte (1) eine größere Dicke aufweist als die hintere gewellte Platte (2) dadurch gekennzeichnet, daß die Verformung der hinteren Platte durch Einbringen eines Fluids unter Druck zwischen beide Platten erfolgt.Flat radiator two adjacent steel plates (1, 2) which are fixed to the edges and spaced from the edge at discrete locations by welding, wherein the front flat plate (1) has a greater thickness than the rear corrugated plate (2), characterized characterized in that the deformation of the rear plate is carried out by introducing a fluid under pressure between the two plates. Heizkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Dicke der vorderen Platte (1) mindestens 50 % größer ist als die Dicke der hinteren Platte (2).Radiator according to claim 1, characterized in that the thickness of the front plate (1) is at least 50% greater than the thickness of the rear plate (2). Heizkörper nach Anspruch 2, dadurch gekennzeichnet, daß die vordere Platte (1) mindestens 1,5 mm, insbesondere 1,8 bis 3 mm und die hintere Platte (2) mindestens 0,8 mm, insbesondere 1 mm dick ist.Radiator according to claim 2, characterized in that the front plate (1) is at least 1.5 mm, in particular 1.8 to 3 mm, and the rear plate (2) is at least 0.8 mm, in particular 1 mm thick. Heizkörper nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Schweißnähte und Schweißpunkte durch Laserschweißen erfolgen. Radiator according to one of the preceding claims, characterized in that the weld seams and welding spots are carried out by laser welding. Heizkörper nach Anspruch 4, dadurch gekennzeichnet, daß das Schweißen von der hinteren Platte (2) aus erfolgt und die Schweißung die vordere Platte (1) nur teilweise durchdringt.Radiator according to claim 4, characterized in that the welding is carried out from the rear plate (2) and the welding only partially penetrates the front plate (1). Heizkörper mit einer flachen, sichtbaren Vorderplatte (1) und einer gewellten Hinterplatte (2), dadurch gekennzeichnet, daß beide Platten durch Durchschweißung (4) von der Hinterseite zu der Vorderplatte miteinander dort verbunden sind, wo die beiden Platten einander berühren und das Verhältnis des Produkts der Streckgrenze der Vorderplatte mit der Dicke der Vorderplatte zum Produkt der Streckgrenze der Hinterplatte (2) mit der Dicke der Hinterplatte = 3,3 ist.Radiator with a flat, visible front plate (1) and a corrugated rear plate (2), characterized in that both plates are connected by welding (4) from the rear to the front plate where the two plates touch and the ratio of the Product of the yield strength of the front plate with the thickness of the front plate to the product of the yield strength of the rear plate (2) with the thickness of the back plate = 3.3. Heizkörper nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Hinterplatte mindestens 1 mm dick ist.Radiator according to one of the preceding claims, characterized in that the rear plate is at least 1 mm thick. Heizkörper nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Vorderplatte mindestens 1,5 mm dick ist.Radiator according to one of the preceding claims, characterized in that the front plate is at least 1.5 mm thick. Verfahren zum Herstellen eines Flachheizkörpers nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß zwischen den Platten (1, 2) ein Fluid unter Druck eingepreßt wird und während des Eindrückens des Fluids und zumindest an den einzelnen Schweißstellen (4) die Platten (1, 2) aufeinander gedrückt werden. Method for producing a flat radiator according to one of the preceding claims, characterized in that a fluid is pressed in under pressure between the plates (1, 2) and during the pressing-in of the fluid and at least at the individual welding points (4) the plates (1, 2 ) are pressed together. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß an den einzelnen Schweißstellen (4) während des Eindrückens vom Fluid die dünnere hintere Platte (2) gegen die dickere vordere Platte (1) gedrückt wird, während die Bereiche der hinteren Platte (2) zwischen den Schweißstellen (4) nach außen verformt werden.Method according to claim 9, characterized in that at the individual welding points (4) during the impression of the fluid, the thinner rear plate (2) is pressed against the thicker front plate (1), while the areas of the rear plate (2) between the Weld points (4) are deformed outwards. Verfahren nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß während des Eindrückens des Fluids die vordere Platte (1) auf einer ebenen Unterlage liegt.Method according to Claim 9 or 10, characterized in that the front plate (1) lies on a flat surface while the fluid is being pressed in.
EP98117710A 1998-01-07 1998-09-18 Flat radiator Withdrawn EP0928941A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998100191 DE19800191A1 (en) 1998-01-07 1998-01-07 Flat radiators
DE19800191 1998-01-07

Publications (2)

Publication Number Publication Date
EP0928941A2 true EP0928941A2 (en) 1999-07-14
EP0928941A3 EP0928941A3 (en) 1999-12-29

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DE (1) DE19800191A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003058142A1 (en) * 2001-12-17 2003-07-17 Alfa Laval Corporate Ab A plate package, method of manufacturing a plate package, use of a plate package and plate heat exchanger comprising a plate package
WO2009053496A2 (en) * 2007-10-25 2009-04-30 Baumüller Nürnberg GmbH Cooling jacket, especially for electrical machines and method for the manufacture thereof
DE102009025521A1 (en) 2009-06-19 2010-12-23 Kurt Preissler Tube heating element i.e. decorative bath heating element, has transverse pipes connected with collecting pipes, where connections of transverse pipes consist of sleeves that are sealed to outer side, plugged and frictionally clamped
EP2532454A1 (en) * 2011-06-10 2012-12-12 CLAAS Selbstfahrende Erntemaschinen GmbH Method and device for producing multi-wall components
EP2863146A1 (en) * 2013-10-18 2015-04-22 Rodomach Speciaalmachines B.V. Method for producing an absorber for a solar collector, and a solar collector
CN107054109A (en) * 2015-11-04 2017-08-18 福特全球技术公司 Heat exchanger plate for electric vehicle battery group
WO2021198612A1 (en) * 2020-04-02 2021-10-07 Higel Francois Heating/cooling walls and ceilings

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EP0614062A2 (en) * 1993-03-04 1994-09-07 Imi Marston Limited Expanded structures
DE4416645A1 (en) * 1994-05-11 1995-11-16 Wet Tex Maschinenbau Gmbh Double-walled sheet element for making containers

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US3458917A (en) * 1966-01-03 1969-08-05 Mueller Co Paul Method of fabricating metal sheets with fluid passages
DE2417386A1 (en) * 1973-04-16 1974-12-05 Nordon Et Cie Nancy Frankreich PROCESS FOR MANUFACTURING A HEAT EXCHANGE VESSEL
DE2604879A1 (en) * 1976-02-07 1977-08-11 Gerhard & Rauh Panel type cooling and heating elements - made from plates joined at edges and expanded by fluid pressure
FR2652016A1 (en) * 1989-09-18 1991-03-22 Champagne Station Oenotechniqu Method of producing a heat exchanger on a vessel (tank) or the like
EP0614062A2 (en) * 1993-03-04 1994-09-07 Imi Marston Limited Expanded structures
DE4416645A1 (en) * 1994-05-11 1995-11-16 Wet Tex Maschinenbau Gmbh Double-walled sheet element for making containers

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003058142A1 (en) * 2001-12-17 2003-07-17 Alfa Laval Corporate Ab A plate package, method of manufacturing a plate package, use of a plate package and plate heat exchanger comprising a plate package
CN1324291C (en) * 2001-12-17 2007-07-04 阿尔法拉瓦尔股份有限公司 A plate package, method of manufacturing a plate package, use of a plate package and plate heat exchanger comprising a plate package
US7246436B2 (en) 2001-12-17 2007-07-24 Alfa Laval Corporate Ab Plate package, method of manufacturing a plate package, use of a plate package and plate heat exchanger comprising a plate package
WO2009053496A2 (en) * 2007-10-25 2009-04-30 Baumüller Nürnberg GmbH Cooling jacket, especially for electrical machines and method for the manufacture thereof
WO2009053496A3 (en) * 2007-10-25 2009-07-30 Baumueller Nuernberg Gmbh Cooling jacket, especially for electrical machines and method for the manufacture thereof
DE102009025521A1 (en) 2009-06-19 2010-12-23 Kurt Preissler Tube heating element i.e. decorative bath heating element, has transverse pipes connected with collecting pipes, where connections of transverse pipes consist of sleeves that are sealed to outer side, plugged and frictionally clamped
EP2532454A1 (en) * 2011-06-10 2012-12-12 CLAAS Selbstfahrende Erntemaschinen GmbH Method and device for producing multi-wall components
EP2863146A1 (en) * 2013-10-18 2015-04-22 Rodomach Speciaalmachines B.V. Method for producing an absorber for a solar collector, and a solar collector
CN107054109A (en) * 2015-11-04 2017-08-18 福特全球技术公司 Heat exchanger plate for electric vehicle battery group
WO2021198612A1 (en) * 2020-04-02 2021-10-07 Higel Francois Heating/cooling walls and ceilings
FR3108967A1 (en) * 2020-04-02 2021-10-08 Ideal Therm Heating-cooling walls and ceilings

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EP0928941A3 (en) 1999-12-29

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