EP2280238B1 - Cooling module - Google Patents

Cooling module Download PDF

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Publication number
EP2280238B1
EP2280238B1 EP09290592.6A EP09290592A EP2280238B1 EP 2280238 B1 EP2280238 B1 EP 2280238B1 EP 09290592 A EP09290592 A EP 09290592A EP 2280238 B1 EP2280238 B1 EP 2280238B1
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EP
European Patent Office
Prior art keywords
heat exchanger
openings
latching
walls
cooling module
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.)
Not-in-force
Application number
EP09290592.6A
Other languages
German (de)
French (fr)
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EP2280238A1 (en
Inventor
Werner Weis
Carlos Garcia Vecin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr Spain SA
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Mahle Behr Spain SA
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Priority to EP09290592.6A priority Critical patent/EP2280238B1/en
Publication of EP2280238A1 publication Critical patent/EP2280238A1/en
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Publication of EP2280238B1 publication Critical patent/EP2280238B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—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
    • F28D1/0443—Combination of units extending one beside or one above the other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • 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
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/14—Fastening; Joining by using form fitting connection, e.g. with tongue and groove
    • F28F2275/143—Fastening; Joining by using form fitting connection, e.g. with tongue and groove with pin and hole connections

Definitions

  • the invention relates to a cooling module according to the preamble of claim 1.
  • cooling modules are used to cool fluids.
  • a coolant heat exchanger is used for cooling coolant of an internal combustion engine of the motor vehicle.
  • the coolant transports the waste heat of the internal combustion engine to the coolant heat exchanger, where it releases the waste heat to the environment.
  • a second heat exchanger is attached to the first heat exchanger by means of fastening means.
  • both the first heat exchanger and the second heat exchanger on walls in cross section at least approximately circular or at least approximately rectangular openings.
  • these openings are arranged coincident to each other, so that in these openings a bolt can be introduced as a fastening means.
  • a positive connection between the first and second heat exchanger is made, because boundary walls of the opening rest on the bolt and thus there is a positive connection.
  • the bolt has a head at one end and an internal thread at the other end. After insertion of the bolt into the openings of the bolt in the openings, that is fixed to the first and second heat exchanger to the effect that in the internal thread a screw is screwed.
  • a head of the screw has a larger diameter than the diameter of the openings in an analogous manner as well the head of the bolt has a larger diameter than the openings, thereby securing the bolt in the openings.
  • In a disadvantageous and expensive manner must therefore be screwed into the internal thread of the bolt after insertion of the bolt in the openings at the other, the head opposite end of the bolt.
  • the US 5,197,538 discloses a cooling module in which two heat exchangers are arranged one below the other.
  • the object of the present invention is therefore to provide a cooling module in which a second heat exchanger can be easily and reliably attached to a first heat exchanger.
  • the cooling module should be inexpensive to manufacture.
  • the at least one elastic locking part is elastically deformable and can thereby produce a latching or a clip connection in the first and / or the second heat exchanger.
  • the first heat exchanger and the second heat exchanger each have at least one opening for introducing the at least one latching part.
  • the at least one locking part is a bolt.
  • the at least one latching part comprises at least one latching lug.
  • the at least one locking part comprises at least one elastic latching arm with the latching lug.
  • At least one opening on the first heat exchanger and at least one opening on the second heat exchanger are arranged in alignment, and preferably at least one latching part is arranged in the openings, so that between the at least one latching part and the boundary walls of the openings a positive connection between the first heat exchanger and the second heat exchanger forms.
  • the openings of the first and second heat exchanger are in the assembly of the second heat exchanger to the first heat exchanger coincident to each other or arranged one above the other, so that the latching part can be inserted through these openings.
  • the openings preferably have substantially an approximately circular or approximately rectangular cross-section.
  • the at least one latching part also has a substantially circular or angular cross-section.
  • the openings and / or the at least one locking part z. B square, rectangular, triangular or polygonal.
  • the openings of the first and second heat exchanger are limited by boundary walls of the first and second heat exchanger.
  • the size or the diameter of the openings is only slightly larger than the diameter or the size of the locking part in the region of the openings, provided that the locking part is arranged in the openings, so that only a small distance between the at least one locking part and the boundary walls consists. This results in a positive connection between the first and second heat exchanger, which is formed by means of at least one locking part in the openings.
  • the at least one locking part is fixed by means of a, in particular exclusive, locking connection to the first heat exchanger and / or the second heat exchanger.
  • the at least one locking part is by means of a latching connection to the first and / or second heat exchanger fixed.
  • the at least one latching nose engages behind the boundary wall of the opening for producing the positive connection.
  • the at least one locking part has no thread.
  • the second heat exchanger is a charge air cooler, which is arranged below the first heat exchanger.
  • a method for producing a cooling module that is only illustrative and not included in the scope of protection has the following steps: providing a first heat exchanger, in particular a coolant / heat exchanger for cooling coolant of an internal combustion engine, preferably with at least one opening, making available a second heat exchanger , preferably with at least one opening, attaching the second heat exchanger to the first heat exchanger by means of a fastening part of the second heat exchanger is positively secured to the first heat exchanger, the fastening part is fixed to the first heat exchanger and / or the second heat exchanger, wherein the fastening part, in particular exclusively, is fixed by means of a latching connection to the first heat exchanger and / or the second heat exchanger.
  • the at least one opening of the first heat exchanger is aligned with the at least one opening of the second Heat exchanger brought into the at least one aligned opening is ever a fastening part, in particular a bolt, introduced and forms a positive connection between the boundary walls of the openings and the fastening part and preferably the fastening part is fixed by means of a latching connection to the first and / or second heat exchanger.
  • the first and / or the second heat exchanger When attaching the first heat exchanger to the second heat exchanger, the first and / or the second heat exchanger is moved or aligned so that the corresponding openings of the first and second heat exchanger are aligned or superimposed, so that the fastening part can be inserted into the openings ,
  • the openings are bounded by boundary walls and there is only a small distance between the boundary walls and the fastening part after insertion of the fastening part in the openings, so that thereby forms a positive connection between the first and second heat exchanger.
  • the fastening part is latched in the openings, that is, a latching connection is made, so that the fastening part is fixed to the first and / or the second heat exchanger.
  • the fastening part comprises as a latching part at least one elastic latching arm with at least one latching lug and when inserting the latching member in the openings, the latching arm deforms elastically, then elastically deformed and due to the elastic recovery, the at least one latching nose produces the latching connection.
  • the existing example of plastic or metal fastener has elastic properties. Due to the geometry of the openings and the geometry of the latching arms with the locking lugs, the bolt deforms during insertion automatically due to a contact between the boundary walls and the latching arms and the latching lugs. After complete insertion of the locking part in the openings, the locking lugs engage behind a boundary wall of the opening, so that thereby the locking arms can elastically deform back.
  • the at least one latching nose engages behind the boundary wall of the opening.
  • the second heat exchanger is arranged below the first heat exchanger and / or the fastening part, in particular the bolt, is fixed without a threaded connection to the first heat exchanger and / or the second heat exchanger.
  • the second heat exchanger is an oil cooler.
  • the cooling module comprises a fan.
  • the fan comprises an impeller with fan blades.
  • the fan comprises an electric motor.
  • the fan is fastened by means of a fan cover to the first and / or second heat exchanger.
  • the fan comprises a clutch, in particular a viscous coupling, for connection and for driving the fan by means of the internal combustion engine.
  • An automotive air conditioning system comprises a cooling module described in this patent application.
  • the motor vehicle air conditioning system comprises a compressor, an evaporator and a condenser.
  • the capacitor is the second heat exchanger of the cooling module.
  • Cooling module 1 is shown for a motor vehicle.
  • the cooling module 1 comprises a first heat exchanger 2 as a coolant heat exchanger 3 and a second heat exchanger 4 as a charge air cooler 5.
  • the coolant heat exchanger 3 is used for cooling coolant of an internal combustion engine (not shown). Through the coolant heat exchanger 3, liquid coolant is pumped, which gives off waste heat of an internal combustion engine to the environment of the motor vehicle.
  • the intercooler 5 is compressed by a turbocharger air as combustion air for the internal combustion engine before being fed into a combustion chamber through the charge air cooler 5.
  • the charge air cooler 5 is arranged below the coolant heat exchanger 3.
  • the first and second heat exchanger 2, 4 in this case comprises cooling tubes 15, each connecting two manifolds 17 together.
  • the fluid to be cooled thus flows from a manifold 17 through the cooling tubes 15 to a second manifold 17. Between the manifolds 17 corrugated fins 16 are arranged.
  • the first and second heat exchanger 2, 4 consists at least partially of metal, in particular aluminum.
  • the first heat exchanger 2 and the second heat exchanger 4 are connected to each other by means of fastening means 6.
  • Walls 18 of the first and second heat exchangers 2, 4 are provided with approximately circular or approximately rectangular openings 10 in cross-section.
  • the walls 18, which referred to in the region of the openings 10 as Begrenzungswandungen 14 Be, are aligned with each other in the attachment or assembly of the second heat transfer 4 to the first heat exchanger 2 to each other.
  • two walls 18 of the first heat exchanger 2 a greater distance than the extension of the second heat exchanger 4 in the upper region perpendicular to the plane of Fig. 1 , As a result, the second heat exchanger 4 can be inserted between the two walls 18 of the first heat exchanger 2 ( Fig. 2 ).
  • the second heat exchanger 4 is aligned with the opening 10 to the first heat exchanger 2 with two openings 10 in the two walls 18, that the designated openings 10 of both the first and second heat exchanger 2, 4 are aligned or coincident, so that a trained as a bolt 9 fastening part 7 can be inserted into these mutually aligned openings 10.
  • Fig. 2 the fully inserted position of the bolt 9 is shown in the openings 10.
  • the openings 10 of the first and second heat exchanger 2, 4 have an identical geometry, ie, the approximately circular or approximately rectangular in cross-section openings 10 have the same diameter.
  • the openings 10 and the bolt 9 thus represent fastening means 6.
  • the bolt 9 has at one end a head 19 and at the other end latching lugs 11 on ( Fig. 3 ). Furthermore, the bolt 9 is provided in the axial direction with an axial recess 13, so that the bolt 9 has two latching arms 12. At the end of the two latching arms 12 each locking lugs 11 are present.
  • the ends of the detents 11 are externally conical or wedge-shaped.
  • the bolt 9 as a locking part 8 is made of plastic or metal.
  • the diameter of the pin 9 perpendicular to a pin axis is greater than the diameter of the openings 10 of the first and second heat exchangers 2, 4 in the region of the detents 11 Area outside the locking lugs 11 and the head 19 of the bolt 9 is the diameter of the Pin 9 perpendicular to the longitudinal axis of the bolt 9, not shown, slightly smaller than the openings 10 of the first and second heat exchanger 2, 4th
  • the two locking arms 12 of the bolt 9 When inserting the bolt 9 in the mutually aligned openings 10 of the first and second heat exchanger 2, 4, the two locking arms 12 of the bolt 9 are brought together and elastically deformed due to the geometry of the locking lugs 11, so that the bolt 9 are inserted into the openings 10 can.
  • the latching arms 12 thus deform elastically.
  • the two locking arms 12 Just before reaching the pin 9 of the position in Fig. 2 is shown, and after the locking lugs 11 have been performed through the last opening 10, due to the possibility of deformation of the locking lugs 11 outside the openings 10, the two locking arms 12 elastically deform back again, so that the locking lugs 11 engage behind the boundary wall 14 and thereby to a locking connection between the pin 9 as a locking part 8 and the boundary wall 14 of the first heat exchanger 2 comes.
  • the fastening part 7 is fixed to the first and second heat exchanger 2, 4, so that the bolt 9 can not be pushed out of the openings 10 of the first and second heat exchanger 2, 4. Due to the permanent fixation of the bolt 9 in the openings 10 by means of the latching connection is also a permanent positive connection between the first and second heat exchanger due to the arrangement of the bolt 9 in the openings 10th
  • the cooling module 1 comprises two bolts 9.
  • the longitudinal axis of the bolt 9 is perpendicular to the plane of Fig. 1 , so that the two bolts 9 in a direction perpendicular to the plane of Fig. 1 in the two aligned openings 10 are to establish the permanent connection between the first and second heat exchanger 2,4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Description

Die Erfindung betrifft ein Kühlmodul gemäß dem Oberbegriff von Anspruch 1.The invention relates to a cooling module according to the preamble of claim 1.

In Kraftfahrzeugen werden Kühlmodule zum Kühlen von Fluiden eingesetzt. Ein Kühlmittel-Wärmeübertrager dient zur Kühlung von Kühlmittel eines Verbrennungsmotors des Kraftfahrzeuges. Das Kühlmittel transportiert die Abwärme des Verbrennungsmotors zum Kühlmittel-Wärmeübertrager und gibt dort die Abwärme an die Umgebung ab. Ferner ist an diesem Kühlmittel-Wärmeübertrager als erster Wärmeübertrager ein zweiter Wärmeübertrager, z. B. ein Ladeluftkühler für einen Turbolader des Verbrennungsmotors, angeordnet. Der zweite Wärmeübertrager ist dabei an dem ersten Wärmeübertrager mittels Befestigungsmitteln befestigt. Hierzu weist sowohl der erste Wärmeübertrager als auch der zweite Wärmeübertrager an Wandungen im Querschnitt zumindest annähernd kreisförmige oder zumindest annähernd rechteckige Öffnungen auf. Bei der Befestigung des zweiten Wärmeübertragers am ersten Wärmeübertrager werden diese Öffnungen zueinander zusammenfallend angeordnet, so dass in diese Öffnungen ein Bolzen als Befestigungsmittel eingeführt werden kann. Durch den Bolzen wird eine formschlüssige Verbindung zwischen dem ersten und zweiten Wärmeübertrager hergestellt, weil Begrenzungswandungen der Öffnung auf dem Bolzen aufliegen und dadurch eine formschlüssige Verbindung besteht. Der Bolzen weist dabei an einem Ende einen Kopf und an dem anderen Ende ein Innengewinde auf. Nach dem Einschieben des Bolzens in die Öffnungen wird der Bolzen in den Öffnungen, d. h. an den ersten und zweiten Wärmeübertrager dahingehend fixiert, dass in das Innengewinde eine Schraube eingeschraubt wird. Ein Kopf der Schraube weist dabei einen größeren Durchmesser auf als der Durchmesser der Öffnungen in analoger Weise wie auch der Kopf des Bolzens einen größeren Durchmesser aufweist als die Öffnungen, so dass dadurch der Bolzen in den Öffnungen befestigt ist. In nachteiliger und aufwendiger Weise muss somit nach dem Einführen des Bolzens in die Öffnungen am anderen, dem Kopf gegenüberliegenden Ende des Bolzens die Schraube in das Innengewinde des Bolzens eingeschraubt werden. Die US 5 197 538 offenbart ein Kühlmodul, bei welchem zwei Wärmeübertrager untereinander angeordnet sind.In motor vehicles, cooling modules are used to cool fluids. A coolant heat exchanger is used for cooling coolant of an internal combustion engine of the motor vehicle. The coolant transports the waste heat of the internal combustion engine to the coolant heat exchanger, where it releases the waste heat to the environment. Further, at this coolant heat exchanger as the first heat exchanger, a second heat exchanger, for. As a charge air cooler for a turbocharger of the engine arranged. The second heat exchanger is attached to the first heat exchanger by means of fastening means. For this purpose, both the first heat exchanger and the second heat exchanger on walls in cross section at least approximately circular or at least approximately rectangular openings. When mounting the second heat exchanger to the first heat exchanger, these openings are arranged coincident to each other, so that in these openings a bolt can be introduced as a fastening means. By the bolt a positive connection between the first and second heat exchanger is made, because boundary walls of the opening rest on the bolt and thus there is a positive connection. The bolt has a head at one end and an internal thread at the other end. After insertion of the bolt into the openings of the bolt in the openings, that is fixed to the first and second heat exchanger to the effect that in the internal thread a screw is screwed. A head of the screw has a larger diameter than the diameter of the openings in an analogous manner as well the head of the bolt has a larger diameter than the openings, thereby securing the bolt in the openings. In a disadvantageous and expensive manner must therefore be screwed into the internal thread of the bolt after insertion of the bolt in the openings at the other, the head opposite end of the bolt. The US 5,197,538 discloses a cooling module in which two heat exchangers are arranged one below the other.

Die Aufgabe der vorliegenden Erfindung besteht deshalb darin, ein Kühlmodul zur Verfügung zu stellen, bei dem ein zweiter Wärmeübertrager einfach und zuverlässig an einem ersten Wärmeübertrager befestigt werden kann. Das Kühlmodul soll preiswert in der Herstellung sein.The object of the present invention is therefore to provide a cooling module in which a second heat exchanger can be easily and reliably attached to a first heat exchanger. The cooling module should be inexpensive to manufacture.

Diese Aufgabe wird gelöst mit den Merkmalen von Anspruch 1.This object is achieved with the features of claim 1.

Das wenigstens eine elastische Rastteil ist elastisch verformbar und kann dabei eine Rast- bzw. eine Clipsverbindung in dem ersten und/oder dem zweiten Wärmeübertrager herstellen. Damit ist in vorteilhafter Weise kein aufwendiges Einschrauben einer Schraube in ein Innengewinde eines Bolzens nach dem Einführen des Bolzens in Öffnungen erforderlich.The at least one elastic locking part is elastically deformable and can thereby produce a latching or a clip connection in the first and / or the second heat exchanger. Thus, no costly screwing a screw into an internal thread of a bolt after insertion of the bolt in openings is required in an advantageous manner.

Gemäß der Erfindung weisen der erste Wärmeübertrager und der zweite Wärmeübertrager je wenigstens eine Öffnung zur Einführung des wenigstens einen Rastteils auf.According to the invention, the first heat exchanger and the second heat exchanger each have at least one opening for introducing the at least one latching part.

Dabei ist das wenigstens eine Rastteil ein Bolzen.In this case, the at least one locking part is a bolt.

In einer ergänzenden Ausgestaltung umfasst das wenigstens eine Rastteil wenigstens eine Rastnase.In a supplementary embodiment, the at least one latching part comprises at least one latching lug.

Vorzugsweise umfasst das wenigstens eine Rastteil wenigstens einen elastischen Rastarm mit der Rastnase.Preferably, the at least one locking part comprises at least one elastic latching arm with the latching lug.

In einer Variante sind wenigstens eine Öffnung am ersten Wärmeübertrager und wenigstens eine Öffnung am zweiten Wärmeübertrager zueinander fluchtend angeordnet und vorzugsweise ist in den Öffnungen je wenigstens ein Rastteil angeordnet, so dass sich zwischen dem wenigstens einen Rastteil und den Begrenzungswandungen der Öffnungen eine formschlüssige Verbindung zwischen dem ersten Wärmeübertrager und dem zweiten Wärmeübertrager ausbildet. Die Öffnungen des ersten und zweiten Wärmeübertragers werden bei der Montage des zweiten Wärmeübertragers an dem ersten Wärmeübertrager zueinander zusammenfallend bzw. übereinanderliegend angeordnet, so dass durch diese Öffnungen das Rastteil eingeschoben werden kann. Die Öffnungen weisen dabei vorzugsweise im Wesentlichen einen annähernd kreisförmigen oder einen annähernd rechteckigen Querschnitt auf. In analoger Weise weist auch das wenigstens eine Rastteil einen im Wesentlichen kreisförmigen oder eckigen Querschnitt auf. Abweichend hiervon können die Öffnungen und/oder das wenigstens eine Rastteil z. B. quadratisch, rechteckig, dreieckig oder vieleckig ausgebildet sein. Die Öffnungen des ersten und zweiten Wärmeübertragers werden dabei von Begrenzungswandungen des ersten und zweiten Wärmeübertragers begrenzt. Die Größe bzw. der Durchmesser der Öffnungen ist dabei nur geringfügig größer als der Durchmesser bzw. die Größe des Rastteiles im Bereich der Öffnungen, sofern das Rastteil in den Öffnungen angeordnet ist, so dass nur ein geringer Abstand zwischen dem wenigstens einen Rastteil und den Begrenzungswandungen besteht. Dadurch entsteht eine formschlüssige Verbindung zwischen dem ersten und zweiten Wärmeübertrager, der sich mittels des wenigstens einen Rastteiles in den Öffnungen ausbildet.In one variant, at least one opening on the first heat exchanger and at least one opening on the second heat exchanger are arranged in alignment, and preferably at least one latching part is arranged in the openings, so that between the at least one latching part and the boundary walls of the openings a positive connection between the first heat exchanger and the second heat exchanger forms. The openings of the first and second heat exchanger are in the assembly of the second heat exchanger to the first heat exchanger coincident to each other or arranged one above the other, so that the latching part can be inserted through these openings. The openings preferably have substantially an approximately circular or approximately rectangular cross-section. In an analogous manner, the at least one latching part also has a substantially circular or angular cross-section. Notwithstanding this, the openings and / or the at least one locking part z. B. square, rectangular, triangular or polygonal. The openings of the first and second heat exchanger are limited by boundary walls of the first and second heat exchanger. The size or the diameter of the openings is only slightly larger than the diameter or the size of the locking part in the region of the openings, provided that the locking part is arranged in the openings, so that only a small distance between the at least one locking part and the boundary walls consists. This results in a positive connection between the first and second heat exchanger, which is formed by means of at least one locking part in the openings.

Zweckmäßig ist das wenigstens eine Rastteil mittels einer, insbesondere ausschließlichen, Rastverbindung an dem ersten Wärmeübertrager und/oder dem zweiten Wärmeübertrager fixiert. Das wenigstens eine Rastteil ist mittels einer Rastverbindung an dem ersten und/oder zweiten Wärmeübertrager fixiert. Dadurch ist kein aufwendiges Einschrauben einer Schraube an einem Innengewinde eines Bolzens als Rastteil erforderlich, so dass nach dem Einführen oder Einstecken des Rastteiles in die Öffnungen sich das Rastteil selbsttätig aufgrund von Einrasten an dem ersten und/oder zweiten Wärmeübertrager fixiert.Suitably, the at least one locking part is fixed by means of a, in particular exclusive, locking connection to the first heat exchanger and / or the second heat exchanger. The at least one locking part is by means of a latching connection to the first and / or second heat exchanger fixed. As a result, no costly screwing a screw on an internal thread of a bolt is required as a locking part, so that after insertion or insertion of the locking member in the openings, the locking member automatically fixed due to engagement with the first and / or second heat exchanger.

In einer weiteren Ausführungsform hintergreift die wenigstens eine Rastnase die Begrenzungswandung der Öffnung zur Herstellung der formschlüssigen Verbindung.In a further embodiment, the at least one latching nose engages behind the boundary wall of the opening for producing the positive connection.

Insbesondere weist das wenigstens eine Rastteil kein Gewinde auf.In particular, the at least one locking part has no thread.

In einer weiteren Ausgestaltung ist der zweite Wärmeübertrager ein Ladeluftkühler, der unterhalb des ersten Wärmeübertragers angeordnet ist.In a further embodiment, the second heat exchanger is a charge air cooler, which is arranged below the first heat exchanger.

Ein nur erläuterndes und nicht im Schutzbereich enthaltenes Verfahren zur Herstellung eines Kühlmodules weist die nachfolgenden Schritte auf: Zur Verfügung stellen eines ersten Wärmeübertragers, insbesondere eines Kühlmittel-Wärmeübertragers zur Kühlung von Kühlmittel eines Verbrennungsmotors, vorzugsweise mit wenigstens einer Öffnung, zur Verfügung stellen eines zweiten Wärmeübertrager, vorzugsweise mit wenigstens einer Öffnung, Befestigen des zweiten Wärmeübertragers an dem ersten Wärmeübertrager, indem mittels eines Befestigungsteiles der zweite Wärmeübertrager formschlüssig an dem ersten Wärmeübertrager befestigt wird, das Befestigungsteil an dem ersten Wärmeübertrager und/oder dem zweiten Wärmeübertrager fixiert wird, wobei das Befestigungsteil, insbesondere ausschließlich, mittels einer Rastverbindung an dem ersten Wärmeübertrager und/oder dem zweiten Wärmeübertrager fixiert wird.A method for producing a cooling module that is only illustrative and not included in the scope of protection has the following steps: providing a first heat exchanger, in particular a coolant / heat exchanger for cooling coolant of an internal combustion engine, preferably with at least one opening, making available a second heat exchanger , preferably with at least one opening, attaching the second heat exchanger to the first heat exchanger by means of a fastening part of the second heat exchanger is positively secured to the first heat exchanger, the fastening part is fixed to the first heat exchanger and / or the second heat exchanger, wherein the fastening part, in particular exclusively, is fixed by means of a latching connection to the first heat exchanger and / or the second heat exchanger.

In einer weiteren Variante wird die wenigstens eine Öffnung des ersten Wärmeübertragers fluchtend mit der wenigstens einen Öffnung des zweiten Wärmeübertragers gebracht, in die wenigstens eine fluchtende Öffnung wird je ein Befestigungsteil, insbesondere ein Bolzen, eingebracht und sich eine formschlüssige Verbindung zwischen Begrenzungswandungen der Öffnungen und dem Befestigungsteil ausbildet und vorzugsweise das Befestigungsteil mittels einer Rastverbindung an dem ersten und/oder zweiten Wärmeübertrager fixiert wird. Beim Befestigen des ersten Wärmeübertragers an dem zweiten Wärmeübertrager wird der erste und/oder der zweite Wärmeübertrager dahingehend bewegt bzw. ausgerichtet, dass die entsprechenden Öffnungen des ersten und zweiten Wärmeübertragers fluchtend ausgerichtet sind bzw. übereinanderliegen, so dass das Befestigungsteil in die Öffnungen eingeschoben werden kann. Die Öffnungen werden dabei von Begrenzungswandungen begrenzt und es besteht nach dem Einschieben des Befestigungsteiles in die Öffnungen nur ein geringer Abstand zwischen den Begrenzungswandungen und dem Befestigungsteil, so dass sich dadurch eine formschlüssige Verbindung zwischen dem ersten und zweiten Wärmeübertrager ausbildet. Anschließend wird das Befestigungsteil in den Öffnungen eingerastet, d. h. es wird eine Rastverbindung hergestellt, so dass das Befestigungsteil an dem ersten und/oder dem zweiten Wärmeübertrager fixiert wird. Damit ist in vorteilhafter Weise kein zusätzliches Bauteil notwendig, d. h. in die wenigstens eine fluchtenden Öffnungen wird je nur ein Befestigungsteil, das nur aus einem Bauteil besteht, eingeführt und es ist kein zusätzliches Bauteil, z. B. eine Schraube zur Einführung in ein Innengewinde, erforderlich.In a further variant, the at least one opening of the first heat exchanger is aligned with the at least one opening of the second Heat exchanger brought into the at least one aligned opening is ever a fastening part, in particular a bolt, introduced and forms a positive connection between the boundary walls of the openings and the fastening part and preferably the fastening part is fixed by means of a latching connection to the first and / or second heat exchanger. When attaching the first heat exchanger to the second heat exchanger, the first and / or the second heat exchanger is moved or aligned so that the corresponding openings of the first and second heat exchanger are aligned or superimposed, so that the fastening part can be inserted into the openings , The openings are bounded by boundary walls and there is only a small distance between the boundary walls and the fastening part after insertion of the fastening part in the openings, so that thereby forms a positive connection between the first and second heat exchanger. Subsequently, the fastening part is latched in the openings, that is, a latching connection is made, so that the fastening part is fixed to the first and / or the second heat exchanger. Thus, no additional component is necessary in an advantageous manner, ie in the at least one aligned openings is only ever a fastening part, which consists of only one component, introduced and there is no additional component, eg. As a screw for insertion into an internal thread required.

In einer weiteren Ausgestaltung umfasst das Befestigungsteil als Rastteil wenigstens einen elastischen Rastarm mit wenigstens einer Rastnase und beim Einführen des Rastteiles in die Öffnungen verformt sich der Rastarm elastisch, anschließend elastisch rückverformt und aufgrund der elastischen Rückverformung die wenigstens eine Rastnase die Rastverbindung herstellt. Das beispielsweise aus Kunststoff oder Metall bestehende Befestigungsteil weist dabei elastische Eigenschaften auf. Aufgrund der Geometrie der Öffnungen und der Geometrie der Rastarme mit den Rastnasen verformt sich der Bolzen beim Einführen selbsttätig aufgrund eines Kontaktes zwischen den Begrenzungswandungen und den Rastarmen bzw. den Rastnasen. Nach dem vollständigen Einführen des Rastteiles in die Öffnungen hintergreifen die Rastnasen eine Begrenzungswandung der Öffnung, so dass sich dadurch die Rastarme elastisch rückverformen können. Dadurch wird eine Rastverbindung zwischen dem Bolzen und dem ersten und/oder zweiten Wärmeübertrager hergestellt, so dass der Bolzen nicht mehr aus den Öffnungen herausgezogen werden kann oder unbeabsichtigt aus den Öffnungen herausfällt, so dass die formschlüssige Verbindung zwischen dem ersten und/oder dem zweiten Wärmeübertrager mittels des Bolzens dauerhaft hergestellt ist.In a further embodiment, the fastening part comprises as a latching part at least one elastic latching arm with at least one latching lug and when inserting the latching member in the openings, the latching arm deforms elastically, then elastically deformed and due to the elastic recovery, the at least one latching nose produces the latching connection. The existing example of plastic or metal fastener has elastic properties. Due to the geometry of the openings and the geometry of the latching arms with the locking lugs, the bolt deforms during insertion automatically due to a contact between the boundary walls and the latching arms and the latching lugs. After complete insertion of the locking part in the openings, the locking lugs engage behind a boundary wall of the opening, so that thereby the locking arms can elastically deform back. Thereby, a latching connection between the bolt and the first and / or second heat exchanger is made, so that the bolt can not be pulled out of the openings or unintentionally falls out of the openings, so that the positive connection between the first and / or the second heat exchanger is made permanently by means of the bolt.

Insbesondere hintergreift die wenigstens eine Rastnase die Begrenzungswandung der Öffnung.In particular, the at least one latching nose engages behind the boundary wall of the opening.

In einer weiteren Ausgestaltung wird der zweite Wärmeübertrager unterhalb des ersten Wärmeübertragers angeordnet und/oder das Befestigungsteil, insbesondere der Bolzen, wird ohne eine Gewindeverbindung an dem ersten Wärmeübertrager und/oder dem zweiten Wärmeübertrager fixiert.In a further embodiment, the second heat exchanger is arranged below the first heat exchanger and / or the fastening part, in particular the bolt, is fixed without a threaded connection to the first heat exchanger and / or the second heat exchanger.

In einer weiteren Ausgestaltung ist der zweite Wärmeübertrager ein Ölkühler.In a further embodiment, the second heat exchanger is an oil cooler.

Zweckmäßig umfasst das Kühlmodul einen Lüfter.Suitably, the cooling module comprises a fan.

In einer weiteren Ausgestaltung umfasst der Lüfter ein Laufrad mit Lüfterschaufeln.In a further embodiment, the fan comprises an impeller with fan blades.

In einer Variante umfasst der Lüfter einen Elektromotor.In one variant, the fan comprises an electric motor.

In einer zusätzlichen Ausgestaltung ist der Lüfter mittels einer Lüfterhaube an dem ersten und/oder zweiten Wärmeübertrager befestigt.In an additional embodiment, the fan is fastened by means of a fan cover to the first and / or second heat exchanger.

In einer zusätzlichen Ausgestaltung umfasst der Lüfter eine Kupplung, insbesondere eine Viskokupplung, zur Anbindung und zum Antreiben des Lüfters mittels des Verbrennungsmotors.In an additional embodiment, the fan comprises a clutch, in particular a viscous coupling, for connection and for driving the fan by means of the internal combustion engine.

Eine erfindungsgemäße Kraftfahrzeugklimaanlage umfasst ein in dieser Schutzrechtsanmeldung beschriebenes Kühlmodul.An automotive air conditioning system according to the invention comprises a cooling module described in this patent application.

In einer weiteren Ausgestaltung umfasst die Kraftfahrzeugklimaanlage einen Verdichter, einen Verdampfer und eine Kondensator.In a further embodiment, the motor vehicle air conditioning system comprises a compressor, an evaporator and a condenser.

Zweckmäßig ist der Kondensator der zweite Wärmeübertrager des Kühlmodules.Suitably, the capacitor is the second heat exchanger of the cooling module.

Im Nachfolgenden wird ein Ausführungsbeispiel der Erfindung unter Bezugnahme auf die beigefügten Zeichnungen näher beschrieben. Es zeigt:

Fig. 1
einen Vorderansicht eines Kühlmoduls,
Fig. 2
einen Schnitt A-A des Kühlmoduls gemäß Fig. 1 und
Fig. 3
eine perspektivische Ansicht eines Rastteiles.
In the following, an embodiment of the invention will be described in more detail with reference to the accompanying drawings. It shows:
Fig. 1
a front view of a cooling module,
Fig. 2
a section AA of the cooling module according to Fig. 1 and
Fig. 3
a perspective view of a locking part.

In Fig. 1 ist Kühlmodul 1 für ein Kraftfahrzeug dargestellt. Das Kühlmodul 1 umfasst einen ersten Wärmeübertrager 2 als Kühlmittel-Wärmeübertrager 3 und einen zweiten Wärmeübertrager 4 als Ladelüftkühler 5. Der Kühlmittel-Wärmeübertrager 3 dient zur Kühlung von Kühlmittel eines Verbrennungsmotors (nicht dargestellt). Durch den Kühlmittel-Wärmeübertrager 3 wird flüssiges Kühlmittel gepumpt, das Abwärme eines Verbrennungsmotors an die Umgebung des Kraftfahrzeuges abgibt. Durch den Ladeluftkühler 5 wird von einem Turbolader komprimierte Luft als Verbrennungsluft für den Verbrennungsmotor vor der Zuführung in einen Verbrennungsraum durch den Ladeluftkühler 5 gekühlt. Dabei ist der Ladeluftkühler 5 unterhalb des Kühlmittel-Wärmeübertragers 3 angeordnet. Der erste und zweite Wärmeübertrager 2, 4 umfasst dabei Kühlrohre 15, die jeweils zwei Sammelrohre 17 miteinander verbinden. Das zu kühlende Fluid strömt somit von einem Sammelrohr 17 durch die Kühlrohre 15 zu einem zweiten Sammelrohr 17. Zwischen den Sammelrohren 17 sind Wellrippen 16 angeordnet. Der erste und zweite Wärmeübertrager 2, 4 besteht dabei wenigstens teilweise aus Metall, insbesondere Aluminium.In Fig. 1 Cooling module 1 is shown for a motor vehicle. The cooling module 1 comprises a first heat exchanger 2 as a coolant heat exchanger 3 and a second heat exchanger 4 as a charge air cooler 5. The coolant heat exchanger 3 is used for cooling coolant of an internal combustion engine (not shown). Through the coolant heat exchanger 3, liquid coolant is pumped, which gives off waste heat of an internal combustion engine to the environment of the motor vehicle. By the intercooler 5 is compressed by a turbocharger air as combustion air for the internal combustion engine before being fed into a combustion chamber through the charge air cooler 5. In this case, the charge air cooler 5 is arranged below the coolant heat exchanger 3. The first and second heat exchanger 2, 4 in this case comprises cooling tubes 15, each connecting two manifolds 17 together. The fluid to be cooled thus flows from a manifold 17 through the cooling tubes 15 to a second manifold 17. Between the manifolds 17 corrugated fins 16 are arranged. The first and second heat exchanger 2, 4 consists at least partially of metal, in particular aluminum.

Der erste Wärmeübertrager 2 und der zweite Wärmeübertrager 4 sind dabei mittels Befestigungsmitteln 6 miteinander verbunden. Wandungen 18 des ersten und zweiten Wärmeübertragers 2, 4 sind mit im Querschnitt etwa kreisförmigen oder etwa rechteckigen Öffnungen 10 versehen. Die Wandungen 18, die im Bereich der Öffnungen 10 als Begrenzungswandungen 14 bezeichnet werden, werden dabei bei der Befestigung bzw. Montage des zweiten Wärmeübertrages 4 an dem ersten Wärmeübertrager 2 zueinander fluchtend ausgerichtet. Dabei weisen zwei Wandungen 18 des ersten Wärmeübertragers 2 einen größeren Abstand auf als die Ausdehnung des zweiten Wärmeübertragers 4 im oberen Bereich senkrecht zu der Zeichenebene von Fig. 1. Dadurch kann der zweite Wärmeübertrager 4 zwischen die beiden Wandungen 18 des ersten Wärmeübertragers 2 eingeschoben werden (Fig. 2). Dabei wird der zweite Wärmeübertrager 4 mit der Öffnung 10 dahingehend zu dem ersten Wärmeübertrager 2 mit zwei Öffnungen 10 in den beiden Wandungen 18 ausgerichtet, dass die hierfür bestimmten Öffnungen 10 sowohl des ersten und zweiten Wärmeübertragers 2, 4 miteinander fluchten bzw. zusammenfallen, so dass ein als Bolzen 9 ausgebildetes Befestigungsteil 7 in diese zueinander fluchtenden Öffnungen 10 eingeschoben werden kann.The first heat exchanger 2 and the second heat exchanger 4 are connected to each other by means of fastening means 6. Walls 18 of the first and second heat exchangers 2, 4 are provided with approximately circular or approximately rectangular openings 10 in cross-section. The walls 18, which referred to in the region of the openings 10 as Begrenzungswandungen 14 Be, are aligned with each other in the attachment or assembly of the second heat transfer 4 to the first heat exchanger 2 to each other. In this case, two walls 18 of the first heat exchanger 2 a greater distance than the extension of the second heat exchanger 4 in the upper region perpendicular to the plane of Fig. 1 , As a result, the second heat exchanger 4 can be inserted between the two walls 18 of the first heat exchanger 2 ( Fig. 2 ). In this case, the second heat exchanger 4 is aligned with the opening 10 to the first heat exchanger 2 with two openings 10 in the two walls 18, that the designated openings 10 of both the first and second heat exchanger 2, 4 are aligned or coincident, so that a trained as a bolt 9 fastening part 7 can be inserted into these mutually aligned openings 10.

In Fig. 2 ist die vollständig eingeschobene Stellung des Bolzens 9 in die Öffnungen 10 dargestellt. Die Öffnungen 10 des ersten und zweiten Wärmeübertragers 2, 4 weisen dabei eine identische Geometrie auf, d. h. die im Querschnitt etwa kreisförmigen oder etwa rechteckigen Öffnungen 10 weisen den gleichen Durchmesser auf. Die Öffnungen 10 und der Bolzen 9 stellen somit Befestigungsmittel 6 dar. Der Bolzen 9 weist an einem Ende einen Kopf 19 und am anderen Ende Rastnasen 11 auf (Fig. 3). Ferner ist der Bolzen 9 in axialer Richtung mit einer axialen Aussparung 13 versehen, so dass der Bolzen 9 zwei Rastarme 12 aufweist. Am Ende der beiden Rastarme 12 sind jeweils die Rastnasen 11 vorhanden. Die Enden der Rastnasen 11 sind dabei außenseitig konisch oder keilförmig ausgebildet. Der Bolzen 9 als Rastteil 8 besteht aus Kunststoff oder Metall. Dabei ist der Bolzen 9 elastisch verformbar, insbesondere im Bereich der Rastarme 12. Der Durchmesser des Bolzens 9 senkrecht zu einer nicht dargestellten Bolzenachse ist dabei im Bereich der Rastnasen 11 größer als der Durchmesser der Öffnungen 10 des ersten und zweiten Wärmeübertrager 2, 4. Im Bereich außerhalb der Rastnasen 11 und des Kopfes 19 des Bolzens 9 ist der Durchmesser des Bolzens 9 senkrecht zu der nicht dargestellten Längsachse des Bolzens 9 geringfügig kleiner als die Öffnungen 10 des ersten und zweiten Wärmeübertragers 2, 4.In Fig. 2 the fully inserted position of the bolt 9 is shown in the openings 10. The openings 10 of the first and second heat exchanger 2, 4 have an identical geometry, ie, the approximately circular or approximately rectangular in cross-section openings 10 have the same diameter. The openings 10 and the bolt 9 thus represent fastening means 6. The bolt 9 has at one end a head 19 and at the other end latching lugs 11 on ( Fig. 3 ). Furthermore, the bolt 9 is provided in the axial direction with an axial recess 13, so that the bolt 9 has two latching arms 12. At the end of the two latching arms 12 each locking lugs 11 are present. The ends of the detents 11 are externally conical or wedge-shaped. The bolt 9 as a locking part 8 is made of plastic or metal. The diameter of the pin 9 perpendicular to a pin axis, not shown, is greater than the diameter of the openings 10 of the first and second heat exchangers 2, 4 in the region of the detents 11 Area outside the locking lugs 11 and the head 19 of the bolt 9 is the diameter of the Pin 9 perpendicular to the longitudinal axis of the bolt 9, not shown, slightly smaller than the openings 10 of the first and second heat exchanger 2, 4th

Beim Einführen des Bolzens 9 in die zueinander fluchtend ausgerichteten Öffnungen 10 des ersten und zweiten Wärmeübertragers 2, 4 werden aufgrund der Geometrie der Rastnasen 11 die beiden Rastarme 12 des Bolzens 9 zusammengeführt und elastisch verformt, so dass der Bolzen 9 in die Öffnungen 10 eingeschoben werden kann. Die Rastarme 12 verformen sich somit elastisch. Kurz vor dem Erreichen des Bolzens 9 der Position, die in Fig. 2 dargestellt ist, und nachdem die Rastnasen 11 durch die letzte Öffnung 10 durchgeführt worden sind, können sich aufgrund der Verformungsmöglichkeit der Rastnasen 11 außerhalb der Öffnungen 10 die beiden Rastarme 12 wieder elastisch rückverformen, so dass die Rastnasen 11 die Begrenzungswandung 14 hintergreifen und es dadurch zu einer Rastverbindung zwischen dem Bolzen 9 als Rastteil 8 und der Begrenzungswandung 14 des ersten Wärmeübertragers 2 kommt. Damit ist das Befestigungsteil 7 an dem ersten und zweiten Wärmeübertrager 2, 4 fixiert, so dass der Bolzen 9 nicht mehr aus den Öffnungen 10 des ersten und zweiten Wärmeübertragers 2, 4 herausgeschoben werden kann. Aufgrund der dauerhaften Fixierung des Bolzens 9 in den Öffnungen 10 mittels der Rastverbindung besteht auch eine dauerhafte formschlüssige Verbindung zwischen dem ersten und zweiten Wärmeübertrager aufgrund der Anordnung des Bolzens 9 in den Öffnungen 10.When inserting the bolt 9 in the mutually aligned openings 10 of the first and second heat exchanger 2, 4, the two locking arms 12 of the bolt 9 are brought together and elastically deformed due to the geometry of the locking lugs 11, so that the bolt 9 are inserted into the openings 10 can. The latching arms 12 thus deform elastically. Just before reaching the pin 9 of the position in Fig. 2 is shown, and after the locking lugs 11 have been performed through the last opening 10, due to the possibility of deformation of the locking lugs 11 outside the openings 10, the two locking arms 12 elastically deform back again, so that the locking lugs 11 engage behind the boundary wall 14 and thereby to a locking connection between the pin 9 as a locking part 8 and the boundary wall 14 of the first heat exchanger 2 comes. Thus, the fastening part 7 is fixed to the first and second heat exchanger 2, 4, so that the bolt 9 can not be pushed out of the openings 10 of the first and second heat exchanger 2, 4. Due to the permanent fixation of the bolt 9 in the openings 10 by means of the latching connection is also a permanent positive connection between the first and second heat exchanger due to the arrangement of the bolt 9 in the openings 10th

Das Kühlmodul 1 umfasst zwei Bolzen 9. Bei der Montage des zweiten Wärmeübertragers 4 an dem ersten Wärmeübertrager 2 ist somit lediglich der zweite Wärmeübertrager 4 dahingehend zu dem ersten Wärmeübertrager 2 auszurichten, dass die Öffnungen 10 fluchten und anschließend in die Öffnungen 10 der Bolzen 9 einzuführen ist. Dabei steht die Längsachse des Bolzens 9 senkrecht auf der Zeichenebene von Fig. 1, so dass die beiden Bolzen 9 in einer Richtung senkrecht zu der Zeichenebene von Fig. 1 in die beiden fluchtenden Öffnungen 10 einzuführen sind zur Herstellung der dauerhaften Verbindung zwischen dem ersten und zweiten Wärmeübertrager 2,4.The cooling module 1 comprises two bolts 9. When mounting the second heat exchanger 4 to the first heat exchanger 2, only the second heat exchanger 4 is thus aligned to the first heat exchanger 2 that the openings 10 are aligned and then insert into the openings 10 of the bolt 9 is. In this case, the longitudinal axis of the bolt 9 is perpendicular to the plane of Fig. 1 , so that the two bolts 9 in a direction perpendicular to the plane of Fig. 1 in the two aligned openings 10 are to establish the permanent connection between the first and second heat exchanger 2,4.

Insgesamt betrachtet sind mit dem erfindungsgemäßen Kühlmodul 1 und dem Verfahren zur Herstellung des Kühlmodules 1 wesentliche Vorteile verbunden. Bei der Montage bzw. Befestigung des Kühlmodules 1, d. h. dem Befestigen des zweiten Wärmeübertragers 4 an dem ersten Wärmeübertrager 2, brauchen lediglich zwei Bolzen 9 in zueinander fluchtende Öffnungen 10 des ersten und zweiten Wärmeübertragers 2, 4 eingeführt werden. Die Rastverbindung stellt sich dabei selbsttätig her. Ein aufwendiges Fixieren des Bolzens 9 in den Öffnungen 10 mittels einer Schraube ist somit in vorteilhafter Weise nicht erforderlich.Overall, significant advantages are associated with the cooling module 1 according to the invention and the method for producing the cooling module 1. When mounting or fastening of the cooling module 1, ie the fastening of the second heat exchanger 4 to the first heat exchanger 2, only two bolts 9 need to be inserted into mutually aligned openings 10 of the first and second heat exchanger 2, 4. The latching connection turns itself here automatically. A complex fixing of the bolt 9 in the openings 10 by means of a screw is thus not required in an advantageous manner.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Kühlmodulcooling module
22
erster Wärmeübertragerfirst heat exchanger
33
Kühlmittel-WärmeübertragerCoolant heat exchanger
44
zweiter Wärmeübertragersecond heat exchanger
55
LadeluftkühlerIntercooler
66
Befestigungsmittelfastener
77
Befestigungsteilattachment portion
88th
Rastteilcatch part
99
Bolzenbolt
1010
Öffnungopening
1111
Rastnaselocking lug
1212
Rastarmdetent arm
1313
axiale Aussparungaxial recess
1414
Begrenzungswandungboundary wall
1515
Kühlrohrcooling pipe
1616
Wellrippencorrugated fins
1717
Sammelrohrmanifold
1818
Wandungwall
1919
Kopfhead

Claims (8)

  1. A cooling module (1) for a motor vehicle, comprising
    - a first, upper heat exchanger (2), having two manifolds (17) spaced apart from one another and connected by cooling pipes, in particular a coolant heat exchanger (3) for cooling a coolant of an internal combustion engine,
    - a second, lower heat exchanger (4), having two manifolds (17) spaced apart from one another and connected by cooling pipes, characterised by
    - at least one fixing means (6) for fixing the manifolds of said second heat exchanger (4) to the manifolds of said first heat exchanger (2), wherein the at least one fixing means (6) comprises at least one resilient latching part (8) in the form of a bolt for a latching connection between the at least one latching part (8) and the first and/or second heat exchanger (2, 4), wherein
    - the manifolds have two walls (18) spaced apart from one another, and the walls of the first heat exchanger have a larger distance than the distance forming the extension of the second heat exchanger between the walls of the second heat exchanger in the upper section, measured perpendicularly to the front of the second heat exchanger such that the manifolds of the second heat exchanger are included between the walls of the first heat exchanger, wherein
    - the walls of the second, lower heat exchanger are arranged in alignment with the walls of the first, upper heat exchanger, wherein
    - the bolt (9) is inserted into the openings (10) provided in the walls and arranged in alignment with one another.
  2. The cooling module as claimed in claim 1, characterised in that the at least one latching part (8) comprises at least one latching nose (11).
  3. The cooling module as claimed in claim 2, characterised in that the at least one latching part (8) comprises at least one resilient latching arm (12) with the latching nose (11).
  4. The cooling module as claimed in one or more of claims 1 to 3, characterised in that the walls (18) in the area of the openings (10) are referred to as boundary walls (14), and in that at least one opening (10) on the first heat exchanger (2) and at least one opening (10) on the second heat exchanger (4) are arranged in alignment with one another and at least one latching part (8) each is preferably arranged in the openings (10) such that a positive connection is formed between the at least one latching part (8) and the boundary walls (14) of the openings (10) between the first heat exchanger (2) and the second heat exchanger (4).
  5. The cooling module as claimed in one or more of the preceding claims, characterised in that the at least one latching part (8) is fixed to the first heat exchanger (2) and/or the second heat exchanger (4) by means of a, in particular exclusive, latching connection.
  6. The cooling module as claimed in one or more of claims 1 to 5, when dependent on claims 2 and 4, characterised in that the at least one latching nose (11) engages behind the boundary wall (14) of opening (10) to establish the positive connection.
  7. The cooling module as claimed in one or more of the preceding claims, characterised in that the at least one latching part (8) has no thread.
  8. The cooling module as claimed in one or more of the preceding claims, characterised in that the second heat exchanger (4) is an intercooler (5) arranged underneath the first heat exchanger (2).
EP09290592.6A 2009-07-28 2009-07-28 Cooling module Not-in-force EP2280238B1 (en)

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Application Number Priority Date Filing Date Title
EP09290592.6A EP2280238B1 (en) 2009-07-28 2009-07-28 Cooling module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09290592.6A EP2280238B1 (en) 2009-07-28 2009-07-28 Cooling module

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EP2280238A1 EP2280238A1 (en) 2011-02-02
EP2280238B1 true EP2280238B1 (en) 2016-07-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302971A (en) * 2017-01-12 2018-07-20 电装马斯顿有限公司 A kind of heat exchanger assemblies

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2729750B2 (en) 2011-07-05 2022-03-23 Lothar Rühland Heat exchanger arrangement
DE202011110101U1 (en) * 2011-07-05 2012-12-05 Lothar Rühland Wärmetauscheranordung
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CN108302971B (en) * 2017-01-12 2020-03-24 电装马斯顿有限公司 Heat exchanger assembly

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