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
  • F28F9/02—Header boxes; End plates
  • F28F9/0229—Double end plates; Single end plates with hollow spaces
• • 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
  • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
  • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
  • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
• • 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
  • F28F1/02—Tubular elements of cross-section which is non-circular
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
  • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
  • F28F21/081—Heat exchange elements made from metals or metal alloys
  • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
• • 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
  • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
  • F28F9/02—Header boxes; End plates
  • F28F9/04—Arrangements for sealing elements into header boxes or end plates
  • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
  • F28F9/14—Arrangements for sealing elements into header boxes or end plates by dismountable joints by force-joining
• • 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
  • F28F9/02—Header boxes; End plates
  • F28F9/04—Arrangements for sealing elements into header boxes or end plates
  • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F2275/00—Fastening; Joining
  • F28F2275/12—Fastening; Joining by methods involving deformation of the elements

Definitions

• the present invention relates to a collector for an exchange beam of a heat exchanger, such as a heat exchanger for a motor vehicle.
• the collector according to the present invention is particularly adapted to withstand high pressures.
• a heat exchanger of the type used in the automotive industry, comprises in principle a housing or casing having, in its interior, heat exchange elements allowing heat exchange from a first fluid to a second fluid. These elements, allowing this heat exchange can, for example, include tubes.
• the tubes located inside a heat exchanger, may be present within an exchange beam comprising a plurality of tubes arranged substantially parallel to each other.
• the tubes may be positioned in a row or several rows parallel to each other.
• the tubes are held at their respective ends at a first and a second manifold.
• the tubes make it possible to guide the first fluid inside said tubes, from a first end of the exchange bundle to the second end of the exchange bundle.
• the tubes considered together, define between them, in combination with the walls of the housing, channels which guide the second fluid from the second end of the heat exchanger to the first end of the heat exchanger.
• a heat exchanger allows in particular the flow, against the current, a first and a second fluid within said heat exchanger.
• Other elements such as plates, vanes and flow disrupters may be provided in addition to the tubes forming the exchange bundle in order to improve the heat exchange between the first and the second fluid.
• the housing is in the form of a housing comprising a plurality of walls forming the outside of the housing and defining the volume in which the heat exchange takes place.
• the housing is, in principle, provided with inlets and outlets for the first and second fluid at a first and a second end of the housing. These inlets and outlets thus allow the heat exchanger to be connected to inlet ducts making it possible to conduct the first and second fluids towards the heat exchanger and to outlet ducts making it possible to drive the first and second second fluids to a final destination, when said first and second fluids have passed through the heat exchanger.
• a collector for the exchange bundle of a heat exchanger as described above, is disclosed in the European patent application EP 2463612.
• the collector disclosed within said application, comprises a plurality of elements stacked on each other inside a housing to obtain said collector.
• the elements must be fixed on each other before the use of the heat exchanger.
• the fixing of the various elements on each other is essential for optimal operation, and this in order to allow the heat exchanger comprising such a collector to operate under high pressure conditions.
• the attachment methods are relatively complex and expensive.
• the weight of all the components significantly increases the weight of the vehicles.
• the object of the present invention is to obtain a collector for a heat exchanger exchange bundle with low production costs, a reduced weight and to ensure a functioning adapted to high pressure conditions.
• the collector for a heat exchanger exchange bundle according to the present invention aims at overcoming the drawbacks of heat collectors known from the state of the art, by proposing an improved design as to the formation of a beam of heat. 'exchange.
• the present invention relates to a collector adapted to be used with an exchange bundle of a heat exchanger, said exchange bundle comprising at least a first row of tubes and a second row of tubes, the tubes being adapted to allow the circulation of a first fluid in the exchange beam, the manifold comprising at least: a first contact element for holding the upper side first end of the first row of tubes, a second contact element for maintaining the lower side of said first end of the first row of tubes and for maintaining the upper side of a first end of the second row of tubes, the thickness of the second contact element defining the distance between said first and second rows of tubes, and a third contact element for holding the lower side of said first end of the second x row of tubes, the first, second and third contact elements being equidistant, the first end of the first contact element being connected to the first end of the second contact element by means of at least one first folded connector and the second end of the second element of contact being connected, at the second end of the third contact element, by means of at least one second folded connection
• the sheet comprises metal such as aluminum.
• the material of said sheet comprises plated aluminum.
• the invention also relates to a sheet of foldable material comprising folding elements, said sheet being configured such that, when folded with the aid of folding elements, it forms a collector according to one embodiment.
• FIG. 1 shows an exploded view of a heat exchanger comprising a collector of an exchange bundle according to one embodiment of the present invention
• FIG. 2 represents the collector of FIG. 1, in an initial plane shape, before folding of said collector
• FIG. 3 shows the collector of FIG. 2, in an intermediate form, during the folding of said collector
• FIG. 4 represents the collector, according to FIGS. 2 and 3, in a final form, after folding of said collector,
• FIG. 5 shows an assembled heat exchanger comprising the collector according to FIGS. 2, 3, 4, and
• Figure 6 shows a collector for an exchange beam according to a second embodiment of the present invention.
• FIG. 1 represents, in an exploded view, a first embodiment of a heat exchanger 1 comprising at least one collector 60 for an exchange bundle 10 according to the present invention.
• the heat exchanger 1 comprises walls 2, 3, 4 which, assembled, form a casing or housing representing the outer wall of said heat exchanger 1.
• the wall 3 forms the upper part of the heat exchanger 1
• the wall 5 forms the bottom of said heat exchanger 1
• the walls 2, 4 form the side portions of said heat exchanger 1.
• the heat exchanger contains an exchange beam for heat exchange between a first and a second fluid.
• the exchange bundle comprises rows of tubes 30 stacked substantially parallel to each other to form a stack 31.
• the stack 31 of the tubes 30 is, at its two ends, connected to two collectors 60 having several functions.
• the collectors 60 can receive and maintain the different tubes 30 of the stack 31.
• the collectors 60 are arranged in a substantially parallel position relative to each other. The shape and operation of the collectors 60 are described below in detail with reference to FIGS. 1, 2, 3 and 4.
• each collector 60 is connected to a connection element 40, 50.
• the connection 40 is provided with an inlet 41 for a first fluid, said fluid being able to penetrate inside the heat exchanger 1 through the input 41.
• the connection 50 is provided with an outlet 51.
• the first fluid can circulate inside the various tubes 30 forming the stack 31 towards the connection 50. The first fluid can then leave the heat exchanger 1 through the outlet 51 of the connection 50.
• the first fluid flowing from the inlet 41 to the outlet 51 is, for example, a fluid such as oil present in an oil circuit and requiring to be cooled during its conventional use.
• said fluid circulates inside the tubes 30 forming together the stack 31. Channels are present outside the tubes 30, allowing a second fluid to move, against the current of the first fluid, an inlet 22, present in the wall 2, to an outlet 21 also present in said wall 2.
• said tubes 30 may be connected, one with the others, by imposing a distance between each tube such that the second fluid can flow from the inlet 22 to the outlet 21.
• the various tubes 30, together forming the stack 31, are optimally fixed to allow the use of the heat exchanger 1 under high pressure conditions.
• the collectors 60 make it possible to fix the different plates relative to one another and to ensure the functionality of the heat exchanger 1.
• Figure 2 shows one of the manifolds 60 in the initial form of a flat sheet.
• the collector 60 comprises two faces and is punched so as to arrange the circulation of the fluid between the different tubes as well as the passage of the tubes themselves.
• the sheet as shown in FIG. 2, is folded during a folding procedure to obtain the collector 60, as shown in FIG. 1.
• the intermediate shape obtained during the folding procedure is shown on FIG. Figure 3.
• the final shape of the head, after the folding procedure, is shown in Figure 4.
• said collector 60 is provided with a series of contact elements 61, 62 connected to each other by means of connection elements 63, 64, 65 adapted to each other. to be folded.
• Each first contact element 61 is connected to a second contact element 62, using two connecting elements 63 located essentially on the edges of the sheet.
• Each second contact element 62 is connected to a first adjacent contact element 61, by means of a series of four connection elements 64 situated between the two edges of the sheet 60.
• the contact elements 61, 62 define between they the openings 65 adapted to pass, individually, a tube of the stack 30 as shown in Figure 1.
• the openings 66, 67, 68 together form a passage for passing a row of tubes 30 of the stack 31.
• the thickness of the sheet 60 corresponds to the height of the passage of the coolant flowing between the different tubes 30, from the inlet 22 to the outlet 21, as shown in Figure 1.
• the sheet 60 is specifically treated to obtain chamfered surfaces to facilitate the insertion of the different tubes 30 of the stack 31.
• the sheet 60 has grooves to prevent clogging of the microchannels by the fluid before being folded.
• the collector 60 obtained after folding of the sheet 60, as shown in FIG. 4, is generally suitable for a number of tubes less than 30. In practice, the thickness of the collector 60, as shown in FIG. , is limited to about 500mm.
• FIG. 5 shows the use, within a changer exchanger 1, of the collector 60 according to the present invention.
• the outer wall of the heat exchanger is partially removed to show the different elements of said heat exchanger 1.
• Figure 5 shows the outlet 21 through which the cooling fluid is evacuated.
• the collector 60, as well as the various tubes 30 forming the stack 31, are visible inside the heat exchanger 1.
• the production of a collector 60, as shown in FIGS. 2, 3, 4, is relatively inexpensive and provides a particularly light collector 60. Due to the shape and functionality of the manifold 60, the heat exchanger 1 can be used under high pressure conditions.
• FIG. 6 shows a manifold 70 according to a variant of the present invention.
• the collector 70 comprises contact elements 61 making it possible to hold the various tubes 30 of a stack 31 according to FIG. 1 and connected by connection elements 72 situated on the lateral edge of said collector 70.
• the connection elements 72 make it possible to realize a folding method for obtaining said collector 70.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Geometry (AREA)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=51688227

Family Applications (1)

Country Status (7)

Families Citing this family (5)

Family Cites Families (16)

• 2014
  • 2014-07-03 FR FR1456404A patent/FR3023365B1/fr active Active
• 2015
  • 2015-07-03 US US15/323,566 patent/US20170131044A1/en not_active Abandoned
  • 2015-07-03 CN CN201580036363.3A patent/CN106687761A/zh active Pending
  • 2015-07-03 EP EP15734152.0A patent/EP3164660A1/de not_active Withdrawn
  • 2015-07-03 WO PCT/EP2015/065223 patent/WO2016001414A1/fr active Application Filing
  • 2015-07-03 KR KR1020177002870A patent/KR20170024097A/ko not_active Application Discontinuation
  • 2015-07-03 JP JP2016575903A patent/JP6445056B2/ja not_active Expired - Fee Related

Non-Patent Citations (2)

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