EP3411651A1 - Dispositif d'assemblage entre un échangeur de chaleur d'une installation de conditionnement d'air et un radiateur de refroidissement du moteur d'un véhicule automobile - Google Patents
Dispositif d'assemblage entre un échangeur de chaleur d'une installation de conditionnement d'air et un radiateur de refroidissement du moteur d'un véhicule automobileInfo
- Publication number
- EP3411651A1 EP3411651A1 EP17708855.6A EP17708855A EP3411651A1 EP 3411651 A1 EP3411651 A1 EP 3411651A1 EP 17708855 A EP17708855 A EP 17708855A EP 3411651 A1 EP3411651 A1 EP 3411651A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- module according
- thermal module
- annex
- main radiator
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
- F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
-
- 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
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
-
- 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
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or 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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/0075—Supports for plates or plate assemblies
-
- 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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/266—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by screw-type connections
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0084—Condensers
Definitions
- the present invention relates to the field of heat exchange equipment for a motor vehicle. More particularly, the present invention relates to thermal modules combining a cooling radiator of a motor vehicle engine and at least one heat exchanger participating in a thermal equipment of the vehicle, including air conditioning installation. The present invention relates more specifically to the mounting methods on said radiator of said at least one heat exchanger.
- a ventilated radiator is commonly used to cool the engine of a motor vehicle.
- the radiator is mounted on the front of the vehicle and is traversed by a cooling fluid.
- the coolant circulates between the engine and the radiator, to draw heat from the engine and to return the heat to the ambient air as a result of its admission into the radiator cooled by ventilation.
- a motor vehicle it is also common for a motor vehicle to be equipped with a ventilation, heating and / or air conditioning system.
- a refrigerant conveys a refrigerant through it, and essentially comprises a compressor, a condenser, a desiccant tank, a holder and an evaporator.
- the compressor draws the refrigerant fluid to the gaseous state which is then fed to the condenser as a high pressure gas and at a high temperature.
- the refrigerant then passes from the gaseous state to the liquid state while releasing heat.
- the condenser is usually located at the front of the vehicle being coupled to a fan to promote heat exchange between the condenser and the outside air providing liquefaction of the refrigerant.
- the desiccant tank allows to retain the moisture contained in the circuit to prevent deterioration.
- the expander is coupled with the evaporator to provide passage of coolant from the liquid state to the gaseous state.
- mount the condenser equipped with the desiccant tank on the radiator operated for cooling the engine of the vehicle.
- the condenser is disposed in its general plane parallel to the general plane of the radiator, the tank being secured to the condenser and being mounted on the radiator.
- the collars are arranged on the lateral side of the radiator in superposition distant according to the height of the radiator.
- the reservoir is then fitted together inside the collars, a lower collar providing a base for gravity support of the tank by its bottom.
- the bottom of the tank may have a hollow cooperating by interlocking with the base for its centering inside the cell.
- the collars preferably comprise elastically deformable members holding the reservoir in position on the radiator.
- manufacturers may also be required to propose a range in which internal combustion engine vehicles side by side with hybrid vehicles.
- the latter are equipped with thermal modules in which evapo-condensers differ from the condensers of internal combustion engine vehicles as described above in that they are not equipped with a tank.
- the subject of the present invention is a thermal module for a motor vehicle, of the type comprising a radiator, hereinafter referred to as the main radiator, on which at least one heat exchanger is mounted, hereinafter referred to as an annex heat exchanger.
- the main radiator is dedicated to the cooling of a vehicle engine and said at least one auxiliary heat exchanger is part of the cooling of a thermal equipment of the vehicle.
- Such thermal equipment is in particular a ventilation system, heating and / or air conditioning, or in other words an air conditioning installation equipping the vehicle.
- a thermal equipment is still for example a cooling system of electric power of the vehicle in the context of including the operation of the thermal module for an electric motor vehicle, the engine is powered by an electric motor alone, and or in the context of a hybrid motor vehicle whose motorization is carried out by an electric motor and / or by a heat engine.
- the arrangement of the mounting device is also sought compatible for providing the installation or not on the main radiator selectively of one or more adjacent heat exchangers of potentially different respective structures.
- it is sought to be able to equip both internal combustion engine vehicles and hybrid vehicles, without significantly impacting the respective structural arrangements of the main radiator, the heat exchanger or heat exchangers and / or the mounting device.
- the thermal module for a motor vehicle of the present invention comprises a main radiator and at least one auxiliary heat exchanger.
- the main radiator is dedicated to cooling a vehicle engine.
- the auxiliary heat exchanger is dedicated to the cooling of a thermal equipment of the vehicle, such as in particular an air conditioning installation or a cooling system of electrical power organs of the vehicle.
- said at least one auxiliary heat exchanger is mounted on the main radiator via a mounting device.
- the main radiator and said at least one auxiliary heat exchanger are conventionally arranged parallel to each other in their general plane of extension.
- the mounting device comprises in particular a junction member interposed between the main radiator and at least a first heat exchanger annex.
- the connecting member comprises two axis bearings made integral with the first heat exchanger annex.
- Each axis seat is nested inside at least two open collars arranged at one of the lateral sides of the main radiator being in particular arranged at a distance from each other in the axial extension orientation said axial body.
- Such arrangements are such that a said first heat exchanger annex of any arrangement and equipped with the connecting member having said axis bearings can be mounted on a main radiator known from the prior art.
- a main radiator known from the prior art.
- Such an existing main radiator consists in particular of a main radiator on which is usually mounted a condenser provided with a desiccant reservoir housed inside the collars.
- the axis bearings are extended by a tab configured to be engaged with a lateral end edge of the first heat exchanger. It is proposed to immobilize the first annexed heat exchanger in one of the two opposite directions of axial extension of the axis bearings, advantageously using for this purpose an axial bearing of the axis bearings against at least one of the collars.
- one and / or the other axis bearings comprises at least one of two shoulders respectively bearing against at least one of the collars following one and the other of the two opposite directions. the axial extension of axis bearings.
- two shoulders are advantageously respectively provided on at least one of the axis bearings, by bearing axially against at least one of the collars against a mobility of the first heat exchanger annex on the radiator in the opposite direction of the axial extension of the axis bearings. It follows that a structurally simple arrangement of at least one of the axis bearings by providing said shoulders, allows to maintain the first heat exchanger annex on the main radiator following its extension in height parallel to the axial extension of the staves axis.
- the collars are open axially, such an opening of the collars being advantageously used to provide a radial insertion passage axis bearings inside the collars providing their interlocking them.
- immobilization is likely to be provided by a removable and / or retractable closure member of the opening that comprise the collars.
- a closure member may be arranged in flexible lamella incorporated in at least one of the collars.
- Such a flexible lamella is able to fade by flexion to allow the passage of axle bearings inside the collars, then to spontaneously resume its shape as a result of the introduction of axle bearings within the collars by forming an obstacle against an escapement of axle bearings out of the collars.
- the immobilization of the first auxiliary heat exchanger can be provided by an arrangement of at least one of the spindles in an elastically deformable member.
- at least one of the axis bearings may comprise an elastically deformable member immobilizing it inside the collar as a result of an elastic bearing of the axis radially on the collar.
- at least one said shoulder equipping the axis is for example formed by claws formed at the free end of flexible branches radially distributed at at least one axial ends of the axis.
- the first heat exchanger annex comprises a hook cooperating with at least one lug of the main radiator.
- the cooperation of the hook and the lug opposes against a mobility of the first heat exchanger annex following one and the other of the opposite directions of its lateral extension extending between its side edges.
- Such lug may be formed by any protruding element of the main radiator, including a protruding element existing on the main radiator according to the present invention.
- said at least one hook is formed by a tab integral with the first heat exchanger annex to its side edge opposite that on which is fixed said at least one axis.
- the tongue comprises for example through it at least one notch whose slices form said hook.
- the connecting member is used to install on the main radiator several auxiliary heat exchangers arranged in parallel in succession staggered in a direction perpendicular to their general plane.
- at least a second heat exchanger annex can be installed on the first heat exchanger annex.
- the junction member is advantageously carrying a thermal submodule comprising a set of additional heat exchangers attached to one another via the junction member in succession staggered in one direction. perpendicular to their general plane.
- the connecting member provides the mounting of a first heat exchanger annex on the main radiator and a second heat exchanger annex on the first heat exchanger annex.
- said thermal submodule comprises said at least one first heat exchanger annex and at least one second auxiliary heat exchanger mounted parallel to the first heat exchanger annex through a fixing means.
- Said fixing means is at least partially interposed between the connecting member and the second heat exchanger annex.
- the fixing means comprises at least one cage formed on the connecting member.
- Said at least one cage houses a cleat equipping the second heat exchanger annex to its side edge closest to the junction member.
- the fixing means comprises at least two said stands disposed at a distance from each other parallel to the axial extension orientation of said axial body, said cages housing respective cleats.
- said at least one cage advantageously constitutes a retaining member of the cleat at least in an orientation parallel to the axial extension of the axis bearings and in an orientation perpendicular to the general plane of the second auxiliary heat exchanger.
- Said at least one household cage including points of support of the cleat holding the second heat exchanger appendix in position on the first heat exchanger annex.
- the second heat exchanger annex is of course maintained in its general plane parallel to the general plane of the first heat exchanger annex.
- the cage also participates at least in part in maintaining in position in its general plane the second heat exchanger annex between its lateral edges.
- the cage is engaged on the side edge closest to the second heat exchanger annex, against a mobility of the second heat exchanger annex in at least one of the two opposite directions of the lateral extension of the second auxiliary heat exchanger extending between its lateral edges.
- the catch of the cage on the side edge of the second heat exchanger annex can be formed by hooking the cage at the edge and / or the edge of the side edge closest to the second heat exchanger annex. Such a hooking provides immobilization of the second heat exchanger annex respectively in one and the other of the two opposite directions of the lateral extension of the second auxiliary heat exchanger extending between its side edges.
- the fixing means comprises at least one shim formed on the first heat exchanger annexed to its side edge opposite to that close to the junction member.
- the wedge is engaged on the side edge closest to the second auxiliary heat exchanger against its mobility along at least one orientation perpendicular to the general plane of the second heat exchanger annex.
- the hold is preferably mounted removable or retractable on the first heat exchanger annex, to facilitate the installation of the second heat exchanger annex on the first heat exchanger annex.
- the shim is reported by reversible attachment to the first auxiliary heat exchanger, such as by screwing and / or elastic interlocking.
- the shim reinforces the maintenance of the second heat exchanger annex parallel to the first heat exchanger annex. Such comfort of maintenance is provided in addition to such a maintenance also provided by said at least one cage.
- At least the cage, or even the wedge preferably comprise gripping claws against the edge of the side edges of the second heat exchanger annex.
- Such bearing claws have in particular a conformation conforming to the edge of the side edges of the second auxiliary heat exchanger against which the cage and the wedge are respectively placed in support.
- Such provisions make it possible to reinforce the opposing supports taken respectively by the cage and the wedge against the second auxiliary heat exchanger.
- the axis bearings are each individually attached to the first auxiliary heat exchanger, such as advantageously by sealing.
- the joining member may be chosen from a material metal, such as an aluminum-based material.
- the connecting member may be welded to the constituent metal body of the first heat exchanger annex, soldering in particular.
- the joining member may be chosen from a plastic material.
- the connecting member can be glued to the first heat exchanger annex.
- At least one of said fixing lugs is capable of being provided with said at least one cage, either directly or via a rod secured to at least one of the fixing lugs.
- the axis bearings are interconnected by a rod extending parallel to the axial extension of the axis bearings.
- the rod is for example secured at least to axis bearings by sealing, in particular by means of the fixing lugs whose axle bearings are provided.
- the rod integral with the first heat exchanger annex to consolidate the maintenance of the second heat exchanger annex by the junction member.
- the securing of the rod to the first heat exchanger annex can also be achieved by sealing.
- the rod is arranged in a nested slide on the side edge closest to the first heat exchanger annex.
- the inner recess of the slide is in particular shaped according to the conformation of the edge of the side edge of the first heat exchanger annex, on which slice the slide is threaded following its shape.
- said at least one cage is advantageously formed on the rod, being participating in the junction member.
- the cage is for example attached to the stem by sealing.
- the junction member being derived from a plastic material, the cage is integrally molded to the rod.
- the cage can be attached to the stem via means for adjusting its position along the rod.
- Such adjustment means makes it possible to position the cage along the rod in a position adapted to maintain the second auxiliary heat exchanger according to its specific configuration.
- the first additional heat exchanger may be connected to fluid circulation conduits at its lateral end opposite the end in contact with the connecting member.
- the first additional heat exchanger may be an equipment of an air conditioning installation equipping the motor vehicle, and in particular be an evapcondenser.
- the second additional heat exchanger may be configured to participate in the cooling of power electrical devices operated by an electric propulsion engine of the motor vehicle.
- the thermal module of the present invention is of a simple structural arrangement allowing quickly and easily the implantation or not by an operator of one or more said auxiliary heat exchangers.
- Such selective implantation of the heat exchanger or annexes on the main radiator is chosen in particular by exploiting the existing structure of a main radiator including dedicated according to the prior art to the receipt of a condenser provided with a desiccant tank.
- the structure of the connecting member is simple, being potentially limited to the said two axis bearings fixed on the first heat exchanger annex and nested inside the collars equipping the main radiator.
- the method of mounting the first heat exchanger annex on the main radiator by means of the junction member according to the present invention allows operation of the junction member to provide a quick and easy assembly of the second heat exchanger annex on the main radiator. Structural contributions specifically provided on the heat exchanger or annexes for their installation on the main radiator are limited. An ease of selective assembly or auxiliary heat exchangers by an operator is provided.
- Such structural contributions are limited to the contribution of said axle spans fixed to the first heat exchanger annex, alternatively supplemented by the provision of the rod and / or the hook.
- Such inputs also incidentally comprise the removable mounted shim on the first auxiliary heat exchanger via a reversible fastener.
- the first auxiliary heat exchanger is mounted on the main radiator by interlocking axis bearings inside said collars. More particularly, the first heat exchanger annex is mounted on the main radiator by simultaneous interlocking shaft bearings respectively inside the collars.
- the interlocking axis bearings inside the collars is in particular operated by sliding of the first heat exchanger annex substantially parallel to the main radiator.
- a small amplitude swing of the first heat exchanger annexed to its lateral edge equipped with the connecting member causes the hook to be engaged on the radiator. main.
- the second heat exchanger annex is mounted on the first heat exchanger annex at least through the junction member.
- the second heat exchanger annex is in particular mounted on the first heat exchanger annex at least by nesting said at least a cleat within said at least one cage.
- the interlocking of the cleat inside the cage is in particular operated by sliding of the second heat exchanger annex substantially parallel to the first heat exchanger annex.
- the removable wedge is attached to the first heat exchanger annex, by screwing and / or elastic interlocking.
- the second heat exchanger annex can be mounted on the first heat exchanger appendix indifferently before or after the installation of the first heat exchanger annex on the main radiator.
- the assembly between one or more additional heat exchangers and an existing main radiator provided with said collars can be easily and selectively provided by the implementation of the provisions provided by the present invention.
- Such an assembly can be made without structural modification of such a main radiator of the prior art, by operating the collars respectively receiving said axis spans constituting the junction member, potentially carrying several additional heat exchangers.
- FIG. 1 is a frontal illustration of a thermal module according to a first embodiment of the present invention
- FIG. 2 is a frontal illustration of a thermal module according to a second embodiment of the present invention.
- FIG. 3 is a frontal illustration of a thermal submodule equipping the thermal module represented in FIG. 2.
- a thermal module 1 is intended to be mounted on a motor vehicle, for selectively equipping a cooling system of functional components of the motor vehicle.
- the thermal module 1 comprises several heat exchangers 2,3 or 4 generally planar and arranged parallel to each other in their general plane.
- the heat exchangers 2,3 or 4 comprise a main radiator 2 and one or more auxiliary heat exchangers 3,4.
- the geometrical references of the heat exchangers 2, 3, 4, whose general planes are each defined by their height H oriented perpendicular to their width L which extends between two lateral edges, are already specified.
- the thickness E of the heat exchangers 2,3,4 is oriented perpendicular to their general plane.
- the main radiator 2 is typically assigned to the cooling of a vehicle engine.
- the main radiator 2 conventionally incorporates a heat transfer fluid path and is equipped with 5,6 connecting pieces respectively to an intake duct and a conduit fluid evacuation. Such tips 5,6 are respectively formed at one and the other side edges 7,8 of the main radiator.
- the auxiliary heat exchanger (s) 3,4 are participants in vehicle accessory cooling systems.
- the auxiliary heat exchangers also each incorporate a heat transfer fluid circulation path and are individually equipped with nozzles 9, 10 and 11, 12 for connecting respectively to an intake duct and to a fluid evacuation duct which are connected thereto. affected.
- a first heat exchanger annex 3 is for example participating in an air conditioning installation of the passenger compartment of the vehicle. It is already to be noted that the end pieces 9,10 equipping the first heat exchanger annex 3 are jointly arranged at one of its lateral edges, opposite to that through which the first heat exchanger annex 3 is mounted on the main radiator 2. Indeed, the first heat exchanger annex 3 is mounted on the main radiator 2 through a junction member 13 occupying one of its lateral edges.
- a second auxiliary heat exchanger 4 is part of a cooling system for the electric power devices fitted to the vehicle. Such a cooling system commonly equips motor vehicles whose propulsion is at least partly provided by an electric motor, such as a hybrid vehicle or an electric vehicle.
- the end pieces 1 1, 12 equipping the second heat exchanger annex 4 are respectively provided at one and the other of its lateral edges.
- the second heat exchanger annex 4 is mounted on the first heat exchanger annex 3 in succession staggered along their thickness E, through the junction member 13 secured to the first heat exchanger annex 3 to one of its lateral edges.
- the first heat exchanger annex 3 is thus disposed in the middle of the stack of the main radiator and the two heat exchangers.
- the connecting member 13 is integral with the first heat exchanger annex 3 to one of its lateral edges.
- the connecting member 5 13 is provided to be placed in interposition between the first heat exchanger annex 3 and the main radiator 2, as shown in Figure 1 and Figure 2. More particularly, the connecting member 13 fixed to the first heat exchanger annex 3 is then attached by interlocking on the side edge 8 of the main radiator 2. The interlocking of the connecting member 13 on the main radiator 2 î o provides the installation of the first heat exchanger annex 3 parallel to the main radiator 2.
- the connecting member 13 comprises for this purpose at least two spindles axis
- the spans axis 14,15 are for example each provided with a bracket 14a, 15a for their attachment to the first heat exchanger annex 3.
- the ranges of 14,15 axis are cooperating with collars 16,17 radially open and integral with the lateral edge 8 of the main radiator 2, being placed at a distance
- Axis bearings 14,15 are introduced inside the collars 16,17 by interlocking in an orientation substantially parallel to the respective general planes 25 of the main radiator 2 and the first heat exchanger annex 3.
- the collars 16, 17 have flexible tongues 16a after to move apart to allow the axle bearings to pass into the interior of the corresponding collar, these flexible tongues being able to return to their original shape to become housed in notches. 14b, 15b formed on the axis bearings (visible in the figure
- At least one axis 15 considered comprises at least one shoulder 18,19 taking axially support, that is to say here in the direction of the height H, on a face of the corresponding collar.
- the first heat exchanger annex 3 is maintained on the main radiator 2 according to its height H or in other words according to the axial extension of axis bearings 14,15.
- the installation of the first heat exchanger annex 3 on the main radiator 2 is operated by lateral sliding of the first heat exchanger annex 3 in its general plane, in a direction essentially oriented along its width L. Said lateral sliding causes the cooperation of 14,15 axis bearings with the collars 16,17, and is alternatively supplemented at the end of stroke by a small amplitude swing of the first heat exchanger annex 3 to its side edge engaged on the junction member 13.
- Such a changeover aims to have the first heat exchanger annex 3 parallel to the main radiator 2 as a result of the interlocking bearings axis 14,15 inside the collars 16,17.
- FIG. 2 such a tilting makes it possible to place a hook 20 secured to the first heat exchanger 3 attached to a lug 21 secured to the main radiator 2.
- the hook 20 is formed by a notch 22 formed through a tongue 23 integral with the first heat exchanger
- the hook 20 is engaged on the lug 21 so that the first heat exchanger annex 3 is immobilized on the main radiator 2 in an orientation parallel to their lateral extension.
- This cooperation of the hook 20 and the lug 21 makes it possible to freeze the position of the first heat exchanger 25 annex 3, it being understood that the fixing by the single junction member 13 could suffice, because of the snapping of the axes of axes in the eyelets and the holding by the elastic tongues, and the presence of the shoulders forming a stop.
- axle bearings 14, 15 are individually
- the axle bearing surfaces 14, 15 are moreover interconnected by a participating rod 24 of the junction member 13.
- a participating rod 24 is advantageously used to facilitate the assembly operations axis bearings in the eyelets, by simultaneously inserting axis bearings by manipulating only the rod 24.
- Such rod also participates in the installation of the second heat exchanger annex 4 on the first heat exchanger 5 annex 3 via the junction member 13.
- first heat exchanger annex 3 and the second heat exchanger annex 4 are interconnected by the connecting member 13, by composing a thermal submodule 25.
- the second heat exchanger 1 thermal annex 4 is mounted on the first heat exchanger annex 3 in staged succession according to their thickness E, through the junction member 13 integral with the first heat exchanger annex 3.
- Such a thermal submodule 25 is reportable on the main radiator 2 via junction member 13, so that, as already described above,
- the stack consists of the succession of the main radiator, the first annex heat exchanger and the second annex heat exchanger.
- a fixing means is at least partly interposed between the connecting member 13 and the second heat exchanger annex 4.
- the fixing means 20 comprises one or more cages 26 fixed on the connecting member 13 and each housing a cleat 27 equipping the second heat exchanger annex 4.
- the cages 26 are arranged at a distance from each other on the rod 24 to which the cages 26 are fixed.
- the cages 26 are secured to the joining member 13 by sealing or molding during the formation of the junction member.
- the cages 26 house the catches 27 by immobilizing the second heat exchanger annex 4 on the first heat exchanger annex 3 in an orientation parallel to their height H and in an orientation parallel to their thickness E.
- the cages 26 comprise gripping claws 28 against the nearest lateral edge of the second heat exchanger annex 4. Furthermore, the fixing means also comprises at least one wedge 29 formed on the first heat exchanger annex 3 to its side edge opposite to that on which is fixed the connecting member 13 and (s) cage (s) 26 forming fastening means.
- the shim 29 is for example fixed to the first heat exchanger annex 3 by a reversible fastening means, such as by screwing and / or elastic interlocking.
- the cages 26 and the wedge 29 take antagonistic supports against the second heat exchanger annex 4, providing jointly maintaining its position along its width on the first heat exchanger annex 3.
- the second heat exchanger Annex 4 is mounted on the first heat exchanger Annex 3 essentially by lateral sliding of the second heat exchanger Annex 4 in its general plane, in a direction substantially oriented along its width L. This lateral sliding causes the introduction of cleats 27 inside the cages 26 and the support of the cages 26 against the side edge of the second heat exchanger annex 4 15 through the claws 28 whose cages 26 are equipped. Then the shim 29 is put in place against the second heat exchanger annex 4, by attachment to the first heat exchanger annex 3, such as screwing for example.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2017/050279 WO2017187031A1 (fr) | 2016-02-05 | 2017-02-07 | Dispositif d'assemblage entre un échangeur de chaleur d'une installation de conditionnement d'air et un radiateur de refroidissement du moteur d'un véhicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3411651A1 true EP3411651A1 (fr) | 2018-12-12 |
Family
ID=65619769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17708855.6A Pending EP3411651A1 (fr) | 2017-02-07 | 2017-02-07 | Dispositif d'assemblage entre un échangeur de chaleur d'une installation de conditionnement d'air et un radiateur de refroidissement du moteur d'un véhicule automobile |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3411651A1 (fr) |
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2017
- 2017-02-07 EP EP17708855.6A patent/EP3411651A1/fr active Pending
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