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
  • F28D1/04—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
  • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
• • 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
  • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
  • F28F9/0224—Header boxes formed by sealing end plates into covers
  • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
• • 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
  • F28F9/165—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using additional preformed parts, e.g. sleeves, gaskets
• • 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
  • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F2230/00—Sealing means
• • 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
  • F28F2275/08—Fastening; Joining by clamping or clipping
  • F28F2275/085—Fastening; Joining by clamping or clipping with snap connection

Definitions

• the field of the invention is that of heat exchangers, in particular for motor vehicles.
• the invention finds a particularly advantageous application in the field of thermal control devices for batteries of motor vehicles with electric and / or hybrid motorization.
• the electrical energy of electrically and / or hybrid powered vehicles is provided by one or more batteries.
• the battery is generally formed of a plurality of electric energy storage cells arranged in a protective housing to form a so-called battery pack.
• a problem is that during operation, the battery is heated and may be damaged.
• the battery life can decrease sharply.
• the thermal regulation of the battery is, therefore, an important point.
• Such exchangers conventionally comprise a bundle of tubes interconnecting at least two collector boxes in which are connected, in a fixed and sealed manner, corresponding ends of the tubes.
• a heat transfer fluid namely a refrigerant in the case of a direct cooling or a cooling fluid in the case of indirect cooling, can then circulate in the exchanger, more precisely through the manifolds and tubes which are in contact with the different electric cells, so as to regulate their temperature by thermal conduction.
• each of the manifolds in which the tubes of the bundle open out comprises a collecting plate having orifices for passage of the tubes.
• collector plate is capped by a lid or “fluid box” so that the collector and the fluid box define a common volume into which the corresponding ends of the tubes open, and by which are if necessary the inlet and the outlet of the coolant.
• the lid is, for example; provided with connections to intake and fluid collection lines.
• Its interior volume can furthermore be subdivided into a plurality of distinct subvolumes allowing to gather together certain groups of tubes of the bundle so as to define a predetermined fluid circulation configuration in the heat exchanger, with several back and forth fluid coolant in the bundle of tubes.
• brazed assembly where all the elements of the exchanger is passed through a brazing furnace allowing a filler metal to achieve both the joining various elements (collectors, covers, tube bundle, etc.) and their sealing.
• brazing of the elements of the cooler tends to degrade the mechanical strength of the tubes, their resistance to pressure and their resistance to internal and external corrosion.
• the heat transfer between the batteries and the cooler is not homogeneous, so that the heat exchanger does not ensure optimum regulation of the temperature of the batteries. .
• the object of the invention is to improve the mechanical strength of the tubes of a heat exchanger in order to optimize, in a particular application, the thermal regulation of the battery (s) of a motor vehicle with electric motorization and / or hybrid.
• the invention relates to a heat exchanger for a motor vehicle, the heat exchanger comprising at least one tube of circulation of a heat-transfer fluid whose ends penetrate into a collecting box, each of said manifolds comprising a manifold having a first orifice for passing said at least one tube, and a lid having a second orifice for passing said at least one tube and delimiting at least one heat transfer fluid circulation chamber wherein said at least one tube opens.
• said at least one tube and said lid are mechanically assembled with said manifold, and said manifold comprises at least one seal disposed on the one hand between said lid and said at least one tube and on the other part between said collector and said cover.
• the invention thus proposes a heat exchanger in which all the elements of the exchanger are mechanically and sealingly secured.
• This same seal also ensures the seal between the lid and the corresponding collector, and thus avoids, or at least minimizes, the risk of coolant leakage.
• the performance of the heat exchanger is greatly improved.
• Such a heat exchanger finds a particularly advantageous application in the thermal regulation of batteries of motor vehicles with electric motor and / or hybrid. It can also be used as a radiator in an air conditioning system of a vehicle.
• said at least one seal has at least one through hole of said at least one tube.
• said at least one seal comprises a base and at least one nipple extending from said base, said at least one hole passing through said base and said nipple.
• said base of said at least one seal is housed in a recess of said cover so as to be sandwiched between the cover and said manifold.
• said nipple of said at least one seal is housed at least partly in said second port of said cover.
• said at least one tube is mounted tightly in said passage hole of said seal, so that the nipple of the seal is compressed between the inner wall of said second orifice of said cover and the outer wall of said tube.
• said nipple of said at least one seal is of oblong section.
• the first orifice of the manifold, the second orifice of the lid and the hole of said at least one seal are of oblong section.
• the assembly between said cover and said manifold is achieved by latching means.
• the latching means comprise teeth carried by the manifold for cooperating with grooves provided on said cover.
• the assembly between said lid and said manifold is made by crimping two opposite edges of said manifold around two opposite edges of said lid.
• said collector comprises a collar through which the first orifice for passing said at least one tube passes.
• the inner surface of the first orifice comprises at the level of the collar at least one deformation of said at least one tube in said collar.
• a crimping can be performed between the manifold collars and the corresponding tubes to counteract the movements of the components between them under the effect of the internal pressure of the heat exchanger and the mechanical stresses exerted during assembly of the exchanger thermal, its mounting and its use in the vehicle.
• the mechanical connections between the components of the heat exchanger are dissociated from the sealing zone.
• the restriction of the first orifice is obtained by a magnetic pulse process or by well deformation of the wall of the collar.
• said at least one tube is assembled to the collar by welding or gluing.
• said at least one conduit comprises a plurality of heat transfer fluid circulation channels.
• said lid comprises at least two heat transfer fluid circulation chambers.
• the second chamber is defined inside the first chamber.
• the second chamber is defined outside the first chamber.
• said lid comprises at least one fluidic communication orifice between the first and the second chamber.
• the invention also relates to a method of assembling a heat exchanger for a motor vehicle comprising at least one heat transfer fluid circulation tube whose ends penetrate into a collecting box, each of said manifolds comprising a collector having a first orifice for passing said at least one tube, and a lid having a second orifice for passing said at least one tube and delimiting at least one circulation chamber for the coolant in which said at least one tube opens out.
• the method comprises the following steps:
• At least one tube is forced into the first orifice of said manifold and into the hole of said seal so that a first end of said at least one tube protrudes from the nipple of the seal, - assemble the collector with at least one tube by crimping, welding or gluing a collar of the collector in which the first orifice is formed on said at least one tube,
• the cover is force-fitted on the seal so that the nipple of the seal comes to be positioned in the second orifice of said cover,
• the collector is mechanically assembled on the cover, so that the at least one tube opens into the circulation chamber for the coolant of said cover,
• said at least one tube is simultaneously secured to the first and second header of said heat exchanger.
• the method of manufacturing such a heat exchanger therefore does not require, for the assembly of the elements between them, brazing, that is to say material supply, since the assembly is mechanical.
• This method also has the advantage of not requiring an expensive and complex heating installation in a neutral and confined atmosphere.
• FIG. 1 is a perspective view of a heat exchanger according to one embodiment of the invention.
• FIG. 2 is a partial exploded view of a header box of a heat exchanger according to the invention.
• FIG. 3 is a cross-sectional view of a header box of a heat exchanger according to the invention.
• FIG. 4 is a longitudinal sectional view and partial of a header of a heat exchanger according to the invention.
• FIG. 5 is a cross-sectional view of a header of a heat exchanger according to a particular embodiment of the invention.
• - Figure 6 comprises several schematic sectional views A to D of a heat exchanger cover according to the invention comprising two circulation chambers of the heat transfer fluid; and - Figure 7 is a schematic perspective view of a heat exchanger cover according to the invention comprising two heat transfer fluid circulation chambers and an opening for fluid communication between these two chambers.
• Figure 1 is a perspective view of a heat exchanger 1 according to one embodiment of the invention.
• Such a heat exchanger is intended to equip a hybrid or electric motor vehicle, in particular for cooling one or more batteries, each constituted by a plurality of electric energy storage cells, forming a source of energy for training of the motor vehicle.
• the heat exchanger 1 is positioned directly in contact with the battery or batteries at the bottom of a protective housing and traversed by a heat transfer fluid, or indirectly in contact with the battery or batteries in the case of a heat exchanger placed at the outside the battery protection box.
• the heat exchanger 1 comprises a first collector box 41 formed of a lid-shaped element generally designated "fluid box" 31 associated with a metal plate, generally called a collector, 21, and a second manifold 42 formed of a lid-shaped member 32 associated with a metal plate or manifold 22, each manifold being intended to collect and distribute the coolant, such as brine.
• a first collector box 41 formed of a lid-shaped element generally designated "fluid box" 31 associated with a metal plate, generally called a collector, 21, and a second manifold 42 formed of a lid-shaped member 32 associated with a metal plate or manifold 22, each manifold being intended to collect and distribute the coolant, such as brine.
• the heat exchanger 1 further comprises a bundle of rectilinear tubes or conduits 11 of the same length, extending perpendicularly to the longitudinal axis of the collectors 21, 22 and covers 31, 32, for the circulation of the coolant.
• the tubes 11 have a substantially oblong cross section.
• At least one of the flat portions of the tubes 11 is intended to be in mechanical contact or not with at least one electric energy storage cell (not shown).
• Each tube 11 is here extruded aluminum and comprises a first end and a second end.
• the first end of the tube bundle 11 is intended to be assembled with the first collector 21 and the second end of the bundle of tubes 11 is intended to be assembled with the second collector 22.
• each collector 21, 22 joins the ends of the tubes 11 of the bundle, each cover 31, 32 being sealingly connected to the collector 21, 22 by its peripheral rim.
• the assembly constituted by the collector 21, 22 and the cover 31, 32 corresponding defines a volume in which the tubes 11 of the bundle open.
• the heat exchanger 1 further comprises an inlet fluid connection 410 and a fluidic outlet connection 420 of the heat transfer fluid arranged on at least one manifold.
• the inlet fluidic connection 410 is located at a longitudinal end of the manifold 41 and the outlet fluid connection 420 is located on the manifold 42, at the opposite end of the manifold 41. .
• the various elements (collectors, manifolds and tubes) of the heat exchanger 1 are joined together mechanically and sealingly by interposition of a seal 51, 52 ensuring the seal between each cover 31, 32 and the ends of the tubes 11, on the one hand, and between each collector 21, 22 and the corresponding cover 31, 32, on the other hand.
• the constituent elements of the second manifold 42 namely the manifold 22, the cover 32 and the seal 52, are similar to the constituent elements of the first manifold 41.
• FIG. 2 is an exploded and partial view of the first manifold
• the channels 111 of a tube 11 are separated by reinforcing legs which ensure the mechanical strength of the tube under pressure (that is to say, which minimize the deformation of the conduit 11 under pressure) .
• a portion of the collector 21, which is substantially rectangular in shape, is also shown in Figure 2. It comprises a central wall 212 whose two opposite edges (the upper and lower edges in Figure 2) are extended by wings 213, 213 curved from one side of the wall Central 212.
• the collector 21 has a substantially U-shaped section.
• a collar 214 of oblong shape extends from a second side of the central wall 212. This collar 214 defines an oblong hole 210 for introduction and passage of the duct 11, which is itself of oblong section.
• the axis of the oblong orifice 210 is perpendicular to the longitudinal axis of the collector 21, the oblong orifice 210 opening into the central wall 212.
• the height of the collar 214 may be constant or variable on its periphery.
• the two wings 213, 213 ' are inclined at an angle of between 90 ° and 110 °, preferably 100 °, relative to the plane of the central wall 212 and extend in the opposite direction of the collar 214.
• Each wing 213, 213 'bears on its opposite lateral edges two detent teeth 218, 219 and 216, 217 respectively which project towards the space between the two wings 213, 213' (these teeth are thus arranged in vis-a-vis).
• the lid 31 comprises a cylindrical chamber 316 in which is intended to circulate the heat transfer fluid and a base comprising two feet 311 (upper and lower in FIG. ) separated by a central recess 312.
• the feet 311 and the recess 312 extend along the longitudinal axis of the cover 31.
• the cover 31 also has an oblong hole 310 extending along the longitudinal axis of the cover 31 and opening on the one hand into the chamber 316 and on the other hand at the recess 312 of the base.
• the cover 31 has, at the level of the feet 311, grooves 313, 313 'of complementary shape to the detent teeth 216, 217, 218, 219 carried by the collector 21.
• the ratchet teeth 216, 217 and 218, 219 cooperate with the grooves 313 'and 313 respectively.
• the first manifold 41 comprises at least one seal 51 which is disposed between the cover 31 and the collector 21.
• the seal 51 is partially shown in FIG.
• It comprises a base 510 of substantially rectangular shape from which extends perpendicularly a nipple 511 oblong sealing substantially complementary to the orifice 310 of the lid 31.
• the seal 51 has a hole 512, of complementary shape to the duct 11, formed in the base 510 and the nipple 511.
• the seal 51 is advantageously made of elastomeric material. It can thus be made of EPDM (for "ethylene-propylene-diene monomer").
• the cover 31 comprises a plurality of orifices 310 distributed over its length
• the manifold 21 also comprises a plurality of orifices 210 distributed along its length and that the seal 51 has several teats 511 along its length (or that several seals each having a teat are implemented), so that each tube 11 of the heat exchanger 1 is associated with an orifice 310 of the lid 31, an orifice 210 of the manifold 21 and a nipple 511 of the seal 51.
• Figures 3 and 4 are sectional views showing the assembly of a tube 11 on the first manifold 41.
• the base 510 of the seal 51 is pressed firstly against the central wall 212 of the collector 21 and secondly against the inner surface of the recess 312 of the cover 31 of so that it is kept compressed between the cover 31 and the collector 21.
• the nipple 511 of the seal 51 is forcibly housed in the hole 310 of the cover 31 and partly beyond the orifice 310 so that extend partially in the cylindrical chamber 316 of the lid 31.
• the tube 11 passes through the orifice 210 of the collar 214 and the hole 512 of the seal 51 so as to open into the cylindrical chamber 316 of the cover 31.
• the passage of the tube 11 in the seal 51 makes it possible to compress radially the external wall of the nipple 511 against the inner wall of the orifice 310 of the cover 31 so as to guarantee the sealing of the connection tube 11 / cover 31 .
• the tube 11 is preloaded in the nipple 511 of the seal 51 in the area of the lid 31.
• the radial compression ratio of the nipple 511 of the seal 51 in the orifice 310 of the cover 31 is preferably between 5 and 60%, for example between 15 and 40%, and especially between 25 and 30%.
• This ratio is equal to the difference between the thickness of the wall of the nipple 511 before assembly and that after assembly, divided by the thickness of the wall of the nipple 511 before assembly.
• the seal 51 is compressed on the one hand in the space between the outer wall of the tube 11 and the orifice 310 of the lid 31 and on the other hand between the central wall 212 of the collector 21 and the inner surface of the recess 312 of the cover 31.
• the tube 11 is mechanically assembled with the first manifold 41 so as to prevent the sliding, under the effect of the pressurization of the coolant, of the assembly constituted by the seal 51, the collector 21 and the cover 31 relative to the tube 11.
• Such recesses 215 are deep enough to deform the inner wall of the collar 214 and the outer wall of the duct 11 without closing off one of the channels 111 of the duct 11.
• the width of the orifice 210 is reduced punctually at the level of the collar 214 so as to block any displacement in translation of the tubes 11 and thus to immobilize the longitudinal positioning of the tubes 11 in the chamber 316 of the cover 31.
• This stop tube is a simple and reliable solution for the mechanical strength of the tube on the collector.
• Figures 3 and 4 illustrate a first mechanical assembly solution of the collector 21 on the cover 31.
• the collector 21 carries ratchet teeth 216, 217, 218, 219 intended to be housed in the grooves 313, 313 'of the feet 311 of the lid 31.
• the manifold is thus fixed on the lid by clipping.
• the collector 21 carries out the mechanical connection between the tubes 11 and the cover 31. It also ensures that the seal 51 is held in position in the cover 31 and ensures that the collecting box 41 is sealed at the level of the connecting cover 31 / manifold 21 by compressing the seal 51.
• FIG. 5 illustrates a second mechanical assembly solution of the collector 21 on the cover 31.
• the opposite wings of the collector 21 are flat and therefore do not bear ratchet teeth.
• the longitudinal ends of the wings 213, 213 'opposite the lid 31 are folded into the grooves 313, 313' of the feet 311 of the lid 31.
• the collector is thus fixed on the cover by crimping.
• FIG. 6 show particular embodiments in which the cover 31 comprises two heat transfer fluid circulation ducts.
• a dividing wall 314 which is rectilinear or curved, is extruded into the profile of the cover 31 to form a first duct and a second duct, the latter being able to serve either as a transfer duct or heat transfer fluid return to locate the inlet and the outlet of the coolant on the same side of the heat exchanger.
• a second duct 31 'contiguous to the cover 31 is coextruded to form a return duct, transfer or bypass.
• the diameter and location of the second conduit 31 'relative to the cover 31 may vary. Communication ports between the pipes can be made by machining or cutting.
• the second duct 31 ' is juxtaposed with the lid 31.
• a fluidic communication orifice 315 made by machining or cutting allows the coolant to flow from the first duct to the second duct, and / or vice versa. .
• one of the ends of the tube 11 comes into contact with an adjustable and removable stop so as to delimit the portion of the tube 11 which is intended to fit into the manifold 41.
• At least one holding element is pressed against the tube 11 so as to immobilize it.
• the manifold assembly 21 / seal 51 is placed in a fitting head.
• the head of the boot makes it possible to position the base 510 of the seal 51 against the central wall 212 of the collector 21 and to align the first orifice 210 of the collector 21 with the hole 520 of the seal 51.
• the alignment is achieved by a punch being introduced into the hole 520 of the seal 51 and then into the first orifice 210 of the manifold 21.
• a punch being introduced into the hole 520 of the seal 51 and then into the first orifice 210 of the manifold 21.
• the manifold assembly 21 / seal 51 is force-fitted onto the end of the tube 11 so that the end of the tube 11 crosses the first orifice 210 of the collector 21 and the hole 520 of the seal 51, and protrudes from the nipple 510.
• the collector assembly 21 / seal 51 is secured, by crimping, welding or gluing, to the tube 11.
• a mechanical stress applied to the collar 214 of the collector 21 forms one or more deformations of the inner wall of the collar 214 towards the tube 11 so that the inner wall of the collar 214 enters the outer wall of the tubell.
• the mechanical stress applied is determined so that the deformation of the inner wall of the collar 214 does not cause the closure of one of the channels of the tube 11.
• the cover 31 is force-fitted onto the seal 51 so that the pacifier 511 enters the second port 310 of the cover 31 until the base 510 is pressed against the inner surface of the cover. the recess 312 of the cover 31.
• the nipple 511 seals between the tube 11 and the lid 31, between the lid 31 and the collector 21.
• the collector 31 is assembled mechanically (by clipping or crimping) on the cover 21.
• the assembly is carried out by latching means 216, 217, 218, 219 carried by the wings 213, 213 'of the collector 21 and fitting into the grooves 313, 313' of the cover 31. .
• the assembly is performed by folding the longitudinal ends of the flanges 213, 213 'opposite the collector 21 in the grooves 313, 313' of the cover 31.
• the mechanical assembly of the entire heat exchanger 1 is relatively easy and provides a good level of tightness inside the manifolds 41, 42 where circulates the heat transfer fluid.
• the heat exchanger of the invention can be used to heat or cool one or more batteries according to the conditions and needs, so as to regulate their temperature.
• a coolant flowing through the heat exchanger can in this case absorb the heat emitted by the battery or batteries to cool them or, if necessary, it can bring them heat if the temperature of the battery or batteries is insufficient for its / their smooth operation.
• such a heat exchanger can also be used as a radiator in a vehicle.
• the approach of the invention thus makes it possible to avoid internal pollution by the residual brazing flux which reacts with the cooling liquid by degrading its anti-corrosion and gelling properties, which can lead to a loss of thermal performance of the cooler (heat exchanger) by plugging the channels of the tubes.
• the mechanical assembly also allows the use of complex-shaped covers made by plastic molding which allows the easy connection of the cover to the cooling loop and its fixation (unlike soldered exchangers which require the addition of metal tubing and fastening lugs on the extruded, stamped or rolled aluminum covers).
• covers, or water boxes may be made of aluminum material (of the 3003 type, for example) or plastic (of the PA66GF30 type, for example). example).
• the aluminum material makes it possible to design parts with small thicknesses.
• the plastic material makes it easy to produce complex shapes, making it easier to attach the cooler to a battery box and to connect tubing.
• the tubes which are preferably extruded aluminum, can be cut to the desired length.
• the tubes may have other section shapes, such as a circular or oval section, for example.
• the multichannel tubes are electro-welded but do not present in this case reinforcement leg between the channels.
• the fluidic inlet and outlet connections of the coolant can be arranged respectively on each of the two manifolds (as in the embodiment described above) or, on the same manifold.
• the fluidic connections are located substantially in the center, along the longitudinal axis, of one of the manifolds and are made by stitching and then connected by brazing, gluing, welding or any other means to secure them while ensuring their tightness.
• the mechanical assembly also makes it possible to reduce the material thicknesses of the tubes and to reduce the number of partitions in the channels of the tubes.
• a seal may comprise one or more teats.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
• Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
• Gasket Seals (AREA)
• Secondary Cells (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=59859157

Family Applications (1)

Country Status (5)

Families Citing this family (9)

Family Cites Families (22)

• 2017
  • 2017-05-10 FR FR1754088A patent/FR3066264B1/fr not_active Expired - Fee Related
• 2018
  • 2018-05-07 EP EP18728930.1A patent/EP3610213A1/de not_active Withdrawn
  • 2018-05-07 WO PCT/FR2018/051149 patent/WO2018206895A1/fr unknown
  • 2018-05-07 JP JP2019561894A patent/JP2020523239A/ja active Pending
  • 2018-05-07 CN CN201880045722.5A patent/CN111094887A/zh active Pending

Also Published As

Similar Documents

Legal Events