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
  • F28F9/0219—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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K11/00—Arrangement in connection with cooling of propulsion units
  • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
  • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
  • B62D25/08—Front or rear portions
  • B62D25/082—Engine compartments
  • B62D25/084—Radiator supports
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
  • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
  • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
  • B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
  • B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
• • 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
• • 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
  • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
  • F28F21/067—Details
• • 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
  • F28F9/0231—Header boxes having an expansion chamber
• • 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
  • F28D2001/0253—Particular components
  • F28D2001/026—Cores
  • F28D2001/028—Cores with empty spaces or with additional elements integrated into the cores

Definitions

• Front panel of a motor vehicle comprising a fluid reservoir
• the invention relates to a front face of a motor vehicle and more particularly such a front face of the type comprising a support intended to receive equipment, and in particular a fluid reservoir.
• a front face also called front face, is a structural element capable of supporting various vehicle equipment, such as headlights, turn signals, horn, heat exchanger, motor-fan unit, etc.
• the front panel thus provided with its equipment, constitutes a unitary module prepared and delivered by the supplier and ready to be mounted on the vehicle by the manufacturer.
• the mounting of this unitary module is done by connection to lateral structural elements of the vehicle, such as side members, wings or hull, then fitting of a bumper or frontal shield attached to the module.
• Such a front face is generally produced in the form of a one-piece element, in particular in the form of a composite or hybrid metal / plastic element.
• a front face in the form of a metal frame of stamped sheet metal, on which a plastic material, in particular of plastic, is overmolded. polyamide type.
• the front face comprises a horizontal upper beam, a horizontal lower beam and two substantially vertical uprights 35 which connect the two beams to one another.
• These four elements delimit between them a hollow space of generally rectangular shape in which a module is usually placed.
• heat exchange system which usually includes either a single heat exchanger (usually the engine cooling radiator) or a heat exchange group, for example an engine cooling radiator and a condenser connected to an air conditioning circuit .
• This heat exchange module must be fixed to the front face by fixing means of suitable shape which most often consist of lugs and / or rubber studs to lock the heat exchange module in position relative to on the front side.
• the object of the invention is in particular to overcome the aforementioned drawbacks.
• the support comprises at least one part integrating a fluid reservoir, so as to constitute a one-piece assembly.
• the fluid reservoir constitutes an element integrated directly into a part of the support, being made in one piece with this part.
• the tank is a manifold connected to a bundle of a heat exchanger.
• This heat exchanger is advantageously a cooling radiator, namely the radiator for cooling the vehicle engine.
• the front face comprises two manifolds with a general horizontal direction, respectively integrated in an upper cross member and in a lower cross member forming part of the front face.
• the two manifolds can each comprise a wall with a U-shaped profile closed by a cover, said wall comprising holes for receiving the tubes of the bundle with interposition of sealing means.
• the two manifolds each comprise a U-shaped wall having a peripheral rim and that each of the manifolds is closed by a manifold plate which receives the tubes of the bundle with the interposition of sealing means.
• the front face is advantageous for the front face to be produced in two parts: an upper part comprising the upper cross member and a lower part comprising the lower cross member.
• the front face comprises two manifolds with a general vertical direction respectively integrated in two uprights connected to an upper crosspiece.
• each of the manifolds may comprise a tubular wall having a face provided with holes for receiving the tubes of a bundle with interposition of sealing means, the tubular wall being closed by at least one cover. end.
• each of the manifolds has a U-shaped wall suitable for being closed by a collecting plate which receives the tubes of a bundle.
• the manifold plate can be attached to the manifold in different ways. It can, for example, be crimped. Alternatively ⁇ the collector plate is mounted in slideways of the wall U.
• the reservoir is an expansion tank for a fluid, in particular for a cooling fluid.
• the tank is advantageously integrated in an upright connected to an upper crosspiece.
• this tank is also integrated in an upper cross member or in a lower cross member of the front face.
• the reservoir and the part in which it is integrated came from plastic molding.
• This plastic material is chosen, for example, from a polyamide or polypropylene reinforced with glass fibers.
• the reservoir and the part in which it is integrated are formed from a composite or hybrid material of metal / plastic type.
• Figure 1 is a schematic view of a front face of a motor vehicle incorporating two manifolds in a generally horizontal direction, forming part of a heat exchanger;
• Figure 2 is an exploded perspective view of a first embodiment corresponding to Figure 1;
• Figure 3 is an exploded perspective view of part of the front face of Figure 2;
• FIG. 4 is an exploded perspective view of a second front face according to Figure 1;
• - Figure 5 shows a part, in exploded perspective of the front face of Figure 4;
• Figure 12 is a partial sectional view of a manifold according to Figure 8 with which is associated a manifold;
• Figure 13 is a partial perspective view of a fifth front face according to Figure 8; Figure 14 illustrates a mounting detail of the front face of Figure 13;
• Figure 15 is a partial perspective view of a sixth front face according to Figure 8;
• - Figures 16 to 19 illustrate different operations for mounting a header plate in a header box according to Figure 15;
• Figure 20 is a principle
• FIG. 1 represents a front face of a motor vehicle, which comprises a support 10 composed of two parts, namely an upper part 10A and a lower part 10B.
• the upper part 10A constitutes a monobloc element which comprises a horizontal upper cross member 12 linking two optical boxes 14 each extended by two substantially vertical uprights 16.
• the lower part 10B comprises a substantially horizontal lower cross member 18 extended vertically by two uprights 20 whose upper ends are fixed to the lower ends of the uprights 16 to constitute the front face 10.
• the upper cross member 12 incorporates a reservoir 21 of elongated shape, generally horizontal, forming a manifold. This manifold thus constitutes a one-piece assembly with the part 10A.
• the part 10B incorporates another tank 22 of elongated shape, in a generally horizontal direction, constituting another manifold. Again, this manifold constitutes a one-piece assembly with the part 10B.
• Parts i ⁇ A and 10B can be made, for example, of plastic, in particular of polyamide or polypropylene reinforced with glass fibers.
• the manifolds 21 and 22 will be molded respectively with the parts 10A and 10B.
• the parts 10A and 10B can also be made of a composite or hybrid material of metal / plastic type.
• the manifolds 21 and 22 are intended to be connected to the two ends of a bundle 24 of a heat exchanger, for example of a radiator for cooling the engine of the vehicle.
• This bundle 24 comprises, in the example, a plurality of tubes 26 arranged vertically and passing through a plurality of generally horizontal fins 28. The ends of the tubes 26 are received in a sealed manner in the manifolds 21 and 22 in different ways, as will be seen below.
• Figures 2 and 3 show a first alternative embodiment according to Figure 1.
• the headlight housings 14 are each provided with a lug 30 intended for attachment to an upper beam (not shown) of the vehicle structure. Furthermore, the uprights 16 of the upper part 10A are connected to fixing plates 32 of generally rectangular shape intended for fixing to the lower side members (not shown) of the vehicle.
• the uprights 20 of the part 10B are extended by plates 34 which are fixed on the uprights 16, for example by bolting.
• the manifold 22 integrated in the lower cross member 18 comprises a wall 36 in the shape of a U, the opening of which faces downwards.
• This wall 36 has a bottom 38 provided with circular openings 40 intended to receive the lower ends of the tubes 26 of the bundle with the interposition of a seal 42 placed outside the U-shaped wall.
• This U-shaped wall is closed in the lower part by a cover 44.
• the cover 44 is advantageously made of plastic and fixed to the U-shaped wall by any suitable means, in particular by bonding or welding.
• the manifold 21 placed in the upper part comprises also a wall 46 in the shape of a U, the opening of which is directed towards the rear and is intended to be closed by a cover 48, as can be seen in FIG. 2.
• the wall 46 has, on one of its faces , circular holes (not visible in Figure 2) intended to receive the upper ends of the tubes 26 of the bundle with the interposition of a seal (not shown).
• the lower part 10B comprises a tube 50 directed towards the rear of the front face, while the cover 48 comprises a tube 52 directed towards the rear of the front face.
• These two pipes are intended to allow the entry and exit of a fluid, in the example the engine cooling fluid which thus circulates in the tubes 26 of the bundle.
• the manifold 22 placed in the lower part comprises a wall 54 with a U-profile whose opening is directed upwards.
• This wall has a continuous peripheral rim 56 delimiting a groove 58 suitable for receiving a seal (not shown).
• the collector box 22 is closed by a collector plate 60 having a crimping rim 62 (for example tabs) intended to cooperate with the peripheral rim 56 to achieve mutual assembly of the collector box and the collector plate.
• the collector plate 60 is provided with holes (not shown) receiving the lower ends of the tubes 26 of the bundle for sealing.
• a fluid inlet or outlet tubing 64 is provided on the rear face of the lower cross member and communicates with the manifold 22.
• the manifold 21, integrated into the upper cross member 12, is produced in a similar manner. It also includes a U-shaped wall 66, the opening of which is directed towards the bottom, this plate being intended to be closed by a collecting plate (not shown) receiving the upper ends of the tubes 26 of the bundle.
• Figures 6 and 7 are similar to that of Figures 2 and 3.
• the manifold 22 includes a similar U-shaped wall 36, the bottom 38 is formed in depression to form a bowl receiving a seal 42 produced here in the form of a sheet. It is the same for the manifold 21 integrated into the upper cross member 12.
• FIG 8 shows another front face integrating the two manifolds of a heat exchanger, in particular a cooling radiator.
• the upper cross member 12 connects two optical boxes 14 each extended downwards by a generally vertical upright 70.
• These two uprights 70 respectively integrate two tanks 72 which constitute the manifolds of a heat exchanger.
• these two tanks are in a general vertical direction and the tubes 26 of the bundle are arranged horizontally and crossed by fins 28 arranged vertically.
• the two uprights 70 are connected together by a lower cross member 18.
• each of the manifolds 72 is delimited by a tubular wall 74 which has a side face 76 provided with circular holes 78 to receive the ends of the tubes 26 of the bundle with the interposition of a sealing plate 80 placed outside the face 76.
• the tubular wall 74 is closed in the upper part by the optical unit 14 and in the lower part by an end cover 82.
• the cover 82 is advantageously made in the same material and connected to sealing at the tubular wall 74 by welding or by gluing.
• the cross member 18, which also forms a beam, is advantageously glued or mechanically fixed to the lower end of the upright 70. It should be noted that the cover 82 may, in a variant, form an integral part of the lower cross member 18.
• the upright 70 comprises a wall 84 in the shape of a U whose opening is directed towards the beam side and which is extended by two ribs 86 substantially coplanar.
• the U-shaped wall 84 is closed by a collecting plate 88 which receives the tubes 26 of the bundle.
• the plate 88 is metallic and the tubes 26 are brazed on the latter.
• the collector plate 88 comprises a peripheral groove receiving an O-ring 90, the assembly being slidably mounted in grooves 92 arranged facing each other inside the wall 84.
• the manifold 72 integrated in the upright 70 is delimited by a U-shaped wall 94, the opening of which also faces the bundle.
• the tubes 26 are brazed to a metal collecting plate 96 intended to be crimped onto the U-shaped wall 94 with the interposition of a seal 98.
• the manifold 72 integrated into the upright 70 comprises a U-shaped wall 100 whose sides are provided with a flexible stop 102.
• the manifold plate 104 comprises a peripheral return 106 and a seal seal 108 is interposed between respective shoulders of the collector plate 104 and the wall 100 in a U shape.
• each manifold 72 includes a U-shaped wall 110 closed by a bottom 112 having holes 114.
• the bundle comprises a collector plate 116 in which the bundle tubes are brazed and this collector plate 116 is held in position by side pins 118 in the form of a comb which pass through openings 119 in the wall in U 110 and through corresponding openings in the collector plate.
• the manifolds 72 are each delimited by a U-shaped wall 84 resembling that of Figure 10.
• Each of these walls also includes two grooves or slides 92 similar to those of the Figure 10, allowing the beam to be mounted in a drawer.
• This consists of two collecting plates 120 of generally rectangular shape which receive the ends of the tubes of the bundle and which come to engage in the slides 92, as also seen in FIGS. 16 and 17.
• the slides are not parallel but go closer to one another and, correspondingly, the collector plates 120 are delimited by longitudinal edges 122 which are not parallel and go closer one of the other. This arrangement facilitates the positioning of the collector plates 120 in the slides 92 of the two collector boxes.
• FIG. 20 schematically shows a part of another front face of a motor vehicle also comprising a cross member 12, two optical boxes 14 and two uprights 130, substantially vertical, connected to the cross member 12 and the optical box 14
• at least one of the two uprights is made hollow to define a reservoir 132.
• the reservoir 132 is delimited by a tubular wall closed at the upper end by the cross member 12 and at the lower end by an attached cover 134. This is advantageously fixed by gluing or welding.
• the reservoir 132 is produced in the upper cross member 12. In a variant not shown, the reservoir 132 could be integrated in the lower cross member 18.
• the fluid reservoir integrated in the front face is intended above all to receive the coolant from the vehicle engine.
• the reservoir advantageously constitutes either a manifold of a heat exchanger, such as a cooling radiator, or even an expansion tank for the fluid. It is also possible to combine, in the same front face, two manifolds of a heat exchanger and a fluid expansion vessel.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• General Engineering & Computer Science (AREA)
• Architecture (AREA)
• Structural Engineering (AREA)
• Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Applications Claiming Priority (3)

Publications (1)

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ID=8870767

Family Applications (1)

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Families Citing this family (18)

Family Cites Families (7)

• 2001
  • 2001-12-20 FR FR0116570A patent/FR2833920B1/fr not_active Expired - Fee Related
• 2002
  • 2002-12-18 AU AU2002364666A patent/AU2002364666A1/en not_active Abandoned
  • 2002-12-18 WO PCT/FR2002/004419 patent/WO2003053768A1/fr not_active Application Discontinuation
  • 2002-12-18 EP EP02805399A patent/EP1456075A1/de not_active Withdrawn

Non-Patent Citations (1)

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