EP1094288A2 - Cooling system - Google Patents

Cooling system Download PDF

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Publication number
EP1094288A2
EP1094288A2 EP00119521A EP00119521A EP1094288A2 EP 1094288 A2 EP1094288 A2 EP 1094288A2 EP 00119521 A EP00119521 A EP 00119521A EP 00119521 A EP00119521 A EP 00119521A EP 1094288 A2 EP1094288 A2 EP 1094288A2
Authority
EP
European Patent Office
Prior art keywords
cooling system
gusset plates
openings
cooler
rear wall
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.)
Granted
Application number
EP00119521A
Other languages
German (de)
French (fr)
Other versions
EP1094288A3 (en
EP1094288B1 (en
Inventor
Werner Zobel
Michael Ehlers
Frank Vetter
Jörg Soldner
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Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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Filing date
Publication date
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Publication of EP1094288A2 publication Critical patent/EP1094288A2/en
Publication of EP1094288A3 publication Critical patent/EP1094288A3/en
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Publication of EP1094288B1 publication Critical patent/EP1094288B1/en
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • F01P2003/182—Arrangements or mounting of liquid-to-air heat-exchangers with multiple heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • F01P2003/185—Arrangements or mounting of liquid-to-air heat-exchangers arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F01P2070/50—Details mounting fans to heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/04—Pump-driving arrangements
    • F01P5/043—Pump reversing arrangements
    • 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
    • F28D2021/0082—Charged air coolers
    • 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
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/916—Oil cooler

Definitions

  • the invention relates to a cooling system with several, two collecting boxes, individual coolers, which are arranged in a box shape and which have a radial impeller has within the box-shaped arrangement, the fresh air with a a nozzle provided suction opening in the front wall and as cooling air blows through the cooler of the box-shaped arrangement, the cooling system has an inwardly drawn rear wall, which is the bearing of the radial impeller wearing.
  • Another ring cooler known from DE-AS-27 16 997 is for cooling several different media have been designed, making the manufacturing Effort increases even further.
  • the radial impeller must have considerable dimensions in order to achieve the required To be able to provide volume flow. That means the impeller also has a significant weight and generates enormous forces in operation that must be recorded safely.
  • the rear wall Must have stability properties, but without showing how that can be achieved.
  • the object of the invention is to use the cooling system from the preamble to equip a rear wall, which also has the forces of a large radial impeller can safely accommodate and also a compact design of the cooling system enables.
  • the rear wall starting from the center Has struts that to arranged in the corners of the cooling system gusset plates result in at least two openings in at least two gusset plates for passing a medium to be cooled through at least one Cooler is arranged and that means for releasable attachment in the gusset plates the rear wall is arranged on the end faces of the cooler header tanks are.
  • Flow channels are preferably provided which communicate with the openings and which have the inlet and outlet for the medium to be cooled.
  • the flow channels are preferably directly on the rear wall attached. Covers are arranged between the struts. The rear wall is towards the center inside the box-shaped cooler arrangement moved in. Further training results from the other subclaims.
  • the impeller is located far in front of the cooling system and the retracted one Rear wall is adapted to the front position of the impeller, whereby also a very compact design is possible, because in the retracted Space that is larger than in the state of the due to the front position of the impeller Technology, drive elements of the radial impeller are arranged.
  • the rear wall is the supporting element of the cooling system. It therefore points from Bearing of the impeller outgoing struts to the gusset plates, which are in the corners of the cooling system.
  • a particularly compact training results by the fact that openings are provided in these gusset plates through which a medium to be cooled, for example the cooling liquid of a truck, can enter or exit a cooler. This eliminates, for example expansive, individual, side connections for the cooler.
  • the openings are preferably connected by means of flow channels which are located directly on the Rear wall. If desired, the flow channels can be a part form the back wall and thus take on stability and sealing functions, because It is essential that the back wall (as well as the front wall) be avoided the cooling system seals against outflow losses.
  • the cooling system 1 of the embodiment is provided for large trucks.
  • Fig. 1 shows the cooling system 1, consisting of an upper intercooler 2, two side and a lower cooler 3, 4, 5, in these embodiments all are provided as coolant coolers.
  • the back wall 13 was drawn in Fig. 1 without cover plates between the struts 25, which is why the view inside is clear. Because the coolers 3, 4, 5 all coolant coolers the flow channels 21 connect the three coolers 3, 4, 5.
  • the flow channels 21 have an inlet 22 for the cooling liquid and one Outlet 23.
  • the upper flow channel 21 in FIG. 1 connects the coolant cooler 3 and 5 and distributes the cooling liquid to be cooled via the openings 20 in the gusset plates 16 and 18 on the cooler 3 and 5 or their collecting boxes 40. (See also Fig. 2, which is a perspective view from the front of the Rear wall 13 shows in the parts of the flow channels 21 in the plane behind the Rear wall 13 can be seen.)
  • the lower flow channel 21 corresponds via one of the two openings 20 in the gusset plates 17 and 19 with the Collection boxes 50 of the coolant cooler 3, 5 and goes to the outlet 23.
  • Collection box of the lower cooler 4 leads to the cooler 4 with the to supply cooling coolant.
  • 1 and 2 are arrows drawn in, which illustrate the distribution of the coolant to the cooler 3, 4 and 5.
  • Fig. 2 the arrows with the reference numerals of the associated cooler 3, 4 and 5 have been identified.
  • the flow channels 21 are attached to the rear wall 13 and set additional stiffening element.
  • the rear wall 13 on both sides Brackets 9 attached to support the cooling system 1 in the truck been.
  • an adapter plate 24 for receiving of the bearing 14 of the radial impeller 15.
  • FIG. 4 shows how the coolers 2-5 of the cooling system 1 are assembled become.
  • An end face 31 of the header boxes 40, 50 of the coolers 2-5 is with each equipped with a flange 15.
  • the flange 15 has a triangular opening 30, through which the coolant enters the cooler 5 above and below again can emerge because the opening 30 in the upper flange 15 with an opening 20 in the gusset plate 18 and the opening 30 in the lower flange 15 with the opening 20 matches in the gusset plate 19.
  • the openings 20, 30 are over the Flow channels 21 with the inlet 22 and the outlet 23 in connection. It it goes without saying that suitable seals are used.
  • each flange 15 three further openings 32 are provided for fastening to the gusset plates 18 and 19 by means of the openings 6 and 7 and Serve screws 8.
  • the openings 7 in the gusset plates 17, 19 are elongated holes formed, whereas the openings 6 are round.
  • This training allows the expansion caused by the constant temperature change or contraction within the cooler. 4 also shows that the coolers 2-5 are equipped with opposite tube sheets 33. In the tube sheets 33 there are rows of slot-like openings 34. In these openings 34 are attached to the ends of the flat tubes, the two Connect header boxes 40 and 50 through which, for example, the cooling liquid or, in the case of the cooler 2, the charge air flows through.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Four condenser units (2,3,4,5) are arranged as a box around the fan cavity with coolant connections to ducts (21) with inlet (22) and outlet (23) openings attached to a backplate assembly having an open aperture for air intake. The fan motor is mounted on struts (25).

Description

Die Erfindung betrifft eine Kühlanlage mit mehreren, zwei Sammelkästen aufweisende, einzelnen Kühlem, die kastenförmig angeordnet sind und die ein Radiallaufrad innerhalb der kastenförmigen Anordnung besitzt, das Frischluft über eine mit einer Düse versehenen Ansaugöffnung in der Frontwand ansaugt und als Kühlluft durch die Kühler der kastenförmigen Anordnung hindurchbläst, wobei die Kühlanlage eine nach innen eingezogene Rückwand aufweist, die das Lager des Radiallaufrades trägt.The invention relates to a cooling system with several, two collecting boxes, individual coolers, which are arranged in a box shape and which have a radial impeller has within the box-shaped arrangement, the fresh air with a a nozzle provided suction opening in the front wall and as cooling air blows through the cooler of the box-shaped arrangement, the cooling system has an inwardly drawn rear wall, which is the bearing of the radial impeller wearing.

Diese Kühlanlage ist in der noch unveröffentlichten europäischen Patentanmeldung Nr. 9910760.9 beschrieben worden. Dort wird bereits eine kompakte sowie leistungsmäßig optimierte Kühlanlage angestrebt. Die Kompaktheit wird vor allem dadurch erreicht, daß die Rückwand nach innen eingezogen und der dadurch gewonnene Bauraum zur Anordnung von Antriebselementen nutzbar gemacht worden ist.This cooling system is in the as yet unpublished European patent application No. 9910760.9. There is already a compact one as well as performance-optimized cooling system. The compactness is before all achieved by pulling the rear wall inwards and the the space thus gained can be used for the arrangement of drive elements has been.

Weitere Kühlanlagen mit ähnlichen Merkmalen sind aus US 4 202 296 und DE 31 48 942 C2 bekannt. Sie beziehen sich jedoch nicht auf kastenförmige Anordnungen mit mehreren einzelnen Kühlem sondern auf sogenannte Ringkühler, die fertigungstechnisch aufwendiger herstellbar sind und sich deshalb bisher nicht durchsetzen konnten. Der Ringkühler gemäß US dient als Wasserkühler für ein Fahrzeug, wogegen der Ringkühler aus der DE auch als Kondensator für die Klimaanlage des Fahrzeuges eingesetzt werden kann.Further cooling systems with similar features are known from US 4 202 296 and DE 31 48 942 C2 known. However, they do not refer to box-shaped arrangements with several individual coolers but on so-called ring coolers, which are production-related are more complex to produce and therefore not yet could enforce. The ring cooler according to US serves as a water cooler for one Vehicle, whereas the ring cooler from DE also acts as a condenser for the air conditioning system of the vehicle can be used.

Ein weiterer aus DE-AS- 27 16 997 bekannter Ringkühler ist zur Kühlung mehrerer unterschiedlicher Medien ausgelegt worden, wodurch der fertigungstechnische Aufwand noch weiter ansteigt.Another ring cooler known from DE-AS-27 16 997 is for cooling several different media have been designed, making the manufacturing Effort increases even further.

Insbesondere wenn Kühlanlagen für große Lastkraftwagen projektiert werden, muß das Radiallaufrad beträchtliche Abmessung aufweisen, um den benötigten Volumenstrom zur Verfügung stellen zu können. Das bedeutet, daß das Laufrad auch ein wesentliches Gewicht besitzt und im Betrieb enorme Kräfte erzeugt, die sicher aufgenommen werden müssen. In der genannten unveröffentlichten Anmeldung Nr. 9910760.9 wurde zwar schon darauf hingewiesen, daß die Rückwand Stabilitätseigenschaften aufweisen muß, jedoch ohne aufzuzeigen, wie das errreicht werden kann.Especially when cooling systems are planned for large trucks, the radial impeller must have considerable dimensions in order to achieve the required To be able to provide volume flow. That means the impeller also has a significant weight and generates enormous forces in operation that must be recorded safely. In the unpublished application mentioned No. 9910760.9 it has already been pointed out that the rear wall Must have stability properties, but without showing how that can be achieved.

Die Aufgabe der Erfindung besteht darin, die Kühlanlage aus dem Oberbegriff mit einer Rückwand auszustatten, die auch die Kräfte eines großes Radiallaufrades sicher aufnehmen kann und die außerdem eine kompakte Bauweise der Kühlanlage ermöglicht.The object of the invention is to use the cooling system from the preamble to equip a rear wall, which also has the forces of a large radial impeller can safely accommodate and also a compact design of the cooling system enables.

Erfindungsgemäß ist vorgesehen, daß die Rückwand vom Zentrum ausgehende Streben aufweist, die zu in den Ecken der Kühlanlage angeordneten Knotenblechen führen, daß in mindestens zwei Knotenblechen mindestens je eine Öffnung zum Durchführen eines zu kühlenden Mediums durch mindestens einen Kühler angeordnet ist und daß in den Knotenblechen Mittel zur lösbaren Befestigung der Rückwand an den Stirnseiten der Sammelkästen der Kühler angeordnet sind.According to the invention it is provided that the rear wall starting from the center Has struts that to arranged in the corners of the cooling system gusset plates result in at least two openings in at least two gusset plates for passing a medium to be cooled through at least one Cooler is arranged and that means for releasable attachment in the gusset plates the rear wall is arranged on the end faces of the cooler header tanks are.

Vorzugsweise sind Strömungskanäle vorgesehen, die mit den Öffnungen kommunizieren und die den Ein-und Austritt für das zu kühlende Medium aufweisen. Selbstverständlich könnte der Ein-und Austritt auch direkt an den Öffnungen angeschlossen sein. Die Strömungskanäle sind vorzugsweise direkt an der Rückwand befestigt. Zwischen den Streben sind Abdeckungen angeordnet. Die Rückwand ist zum Zentrum hin in das Innere der kastenförmigen Kühleranordnung eingezogen. Weiterbildungen ergeben sich aus den anderen Unteransprüchen.Flow channels are preferably provided which communicate with the openings and which have the inlet and outlet for the medium to be cooled. Of course, the entry and exit could also be directly at the openings be connected. The flow channels are preferably directly on the rear wall attached. Covers are arranged between the struts. The rear wall is towards the center inside the box-shaped cooler arrangement moved in. Further training results from the other subclaims.

Das Laufrad ist weit vorne innerhalb der Kühlanlage angeordnet und die eingezogene Rückwand ist an die Vorne-Position des Laufrades angepaßt, wodurch auch eine sehr kompakte Bauweise möglich wird, denn in dem eingezogenen Raum, der aufgrund der Vorne-Position des Laufrades größer ist als im Stand der Technik, sind Antriebselemente des Radiallaufrades angeordnet.The impeller is located far in front of the cooling system and the retracted one Rear wall is adapted to the front position of the impeller, whereby also a very compact design is possible, because in the retracted Space that is larger than in the state of the due to the front position of the impeller Technology, drive elements of the radial impeller are arranged.

Die Rückwand ist das tragende Element der Kühlanlage. Sie weist deshalb vom Lager des Laufrades ausgehende Streben zu den Knotenblechen auf, die sich in den Ecken der Kühlanlage befinden. Eine besonders kompakte Ausbildung ergibt sich dadurch, daß in diesen Knotenblechen Öffnungen vorgesehen sind, durch die ein zu kühlendes Medium, beispielsweise die Kühlflüssigkeit eines Lastkraftwagens, in einen Kühler ein-oder austreten kann. Dadurch entfallen beispielsweise raumgreifende, einzelne, seitliche Anschlüsse für die Kühler. Die Öffnungen sind vorzugsweise mittels Strömungskanälen verbunden, die sich unmittelbar an der Rückwand befinden. Wenn gewünscht, können die Strömungskanäle einen Teil der Rückwand bilden und damit Stabilitäts-und Dichifunktionen übernehmen, denn es ist wesentlich, daß die Rückwand (wie auch die Frontwand) zur Vermeidung von Abströmverlusten die Kühlanlage nach außen abdichtet. The rear wall is the supporting element of the cooling system. It therefore points from Bearing of the impeller outgoing struts to the gusset plates, which are in the corners of the cooling system. A particularly compact training results by the fact that openings are provided in these gusset plates through which a medium to be cooled, for example the cooling liquid of a truck, can enter or exit a cooler. This eliminates, for example expansive, individual, side connections for the cooler. The openings are preferably connected by means of flow channels which are located directly on the Rear wall. If desired, the flow channels can be a part form the back wall and thus take on stability and sealing functions, because It is essential that the back wall (as well as the front wall) be avoided the cooling system seals against outflow losses.

Die Rückwand, bestehend aus den Knotenblechen mit Streben und Zentrum, kann beispielsweise ein kostenmäßig günstig herzustellendes gießtechnisches Teil sein. Die zwischen den Streben vorgesehenen Abdeckungen können Einzelteile sein. Weitere Merkmale und vorteilhafte Wirkungen ergeben sich aus der folgenden Beschreibung der Erfindung anhand von Ausführungsbeispielen. Die beiliegenden Figuren zeigen:

  • Fig. 1 ist eine Perspektivansicht auf die Kühlanlage von hinten.
  • Fig. 2 ist eine Perspektivansicht auf die Rückwand.
  • Fig. 3 ist ein Querschnitt durch die Kühlanlage.
  • Fig. 4 zeigt eine perspektivische Ansicht eines Kühlers der Kühlanlage.
    • The rear wall, consisting of the gusset plates with struts and center, can be, for example, a casting part that is inexpensive to produce. The covers provided between the struts can be individual parts. Further features and advantageous effects result from the following description of the invention using exemplary embodiments. The attached figures show:
  • Fig. 1 is a perspective view of the cooling system from the rear.
  • Fig. 2 is a perspective view of the back wall.
  • Fig. 3 is a cross section through the cooling system.
  • 4 shows a perspective view of a cooler of the cooling system.

    • Die Kühlanlage 1 des Ausführungsbeispieles ist für große Lastkraftwagen vorgesehen. Die Fig. 1 zeigt die Kühlanlage 1, bestehend aus einem oberen Ladeluftkühler 2, zwei seitlichen und einem unteren Kühler 3, 4, 5, die in diesen Ausführungsbeispielen alle als Kühlflüssigkeitskühler vorgesehen sind. Die Rückwand 13 wurde in Fig. 1 ohne Abdeckplatten zwischen den Streben 25 gezeichnet, weshalb der Blick in das Innere frei ist. Weil die Kühler 3, 4, 5 alle Kühlflüssigkeitskühler sind, verbinden die Strömungskanäle 21 die drei Kühler 3, 4, 5.The cooling system 1 of the embodiment is provided for large trucks. Fig. 1 shows the cooling system 1, consisting of an upper intercooler 2, two side and a lower cooler 3, 4, 5, in these embodiments all are provided as coolant coolers. The back wall 13 was drawn in Fig. 1 without cover plates between the struts 25, which is why the view inside is clear. Because the coolers 3, 4, 5 all coolant coolers the flow channels 21 connect the three coolers 3, 4, 5.

    Es versteht sich, daß genausogut lediglich ein Kühlflüssigkeitskühler, ein Kondensator für die Klimaanlage und ein Ölkühler oder dergleichen zur Kühlanlage gehören könnten, so daß für diesen Fall die Strömungskanäle 21 anders als gezeigt anzuordnen wären bzw. je nach Bedarf auch gänzlich entfallen können.It is understood that just a coolant cooler, a condenser for the air conditioner and an oil cooler or the like belong to the cooling system could, so that in this case the flow channels 21 differently than shown would have to be arranged or, if necessary, can also be omitted entirely.

    Die Strömungskanäle 21 besitzen einen Eintritt 22 für die Kühlflüssigkeit und einen Austritt 23. Der in Fig. 1 obere Strömungskanal 21 verbindet die Kühlflüssigkeitskühler 3 und 5 und verteilt die zu kühlende Kühlflüssigkeit über die Öffnungen 20 in den Knotenblechen 16 und 18 auf die Kühler 3 und 5 bzw. deren Sammelkästen 40. (Siehe dazu auch Fig. 2, die eine perspektivische Ansicht von vorne auf die Rückwand 13 zeigt, in der Teile der Strömungskanäle 21 in der Ebene hinter der Rückwand 13 zu erkennen sind.) Der untere Strömungskanal 21 korrespondiert über je eine der zwei Öffnungen 20 in den Knotenblechen 17 und 19 mit den Sammelkästen 50 der Kühlflüssigkeitskühler 3, 5 und geht zum Austritt 23. Vom oberen horizontalen Strömungskanal 21 erstreckt sich ein vertikaler Strömungskanal 21, der über die zweite Öffnung 20 im Knotenblech 19 zum nicht gezeigten Sammelkasten des unteren Kühlers 4 führt, um auch den Kühler 4 mit der zu kühlenden Kühlflüssigkeit zu versorgen. In den Fig. 1 und 2 sind Pfeile eingezeichnet, die die Verteilung der Kühlflüssigkeit auf die Kühler 3, 4 und 5 verdeutlichen. In Fig. 2 sind die Pfeile mit den Bezugszeichen der zugehörigen Kühler 3, 4 und 5 gekennzeichnet worden.The flow channels 21 have an inlet 22 for the cooling liquid and one Outlet 23. The upper flow channel 21 in FIG. 1 connects the coolant cooler 3 and 5 and distributes the cooling liquid to be cooled via the openings 20 in the gusset plates 16 and 18 on the cooler 3 and 5 or their collecting boxes 40. (See also Fig. 2, which is a perspective view from the front of the Rear wall 13 shows in the parts of the flow channels 21 in the plane behind the Rear wall 13 can be seen.) The lower flow channel 21 corresponds via one of the two openings 20 in the gusset plates 17 and 19 with the Collection boxes 50 of the coolant cooler 3, 5 and goes to the outlet 23. From A vertical flow channel extends in the upper horizontal flow channel 21 21, via the second opening 20 in the gusset plate 19 for not shown Collection box of the lower cooler 4 leads to the cooler 4 with the to supply cooling coolant. 1 and 2 are arrows drawn in, which illustrate the distribution of the coolant to the cooler 3, 4 and 5. In Fig. 2, the arrows with the reference numerals of the associated cooler 3, 4 and 5 have been identified.

    Die Ausführung der strömungstechnischen Verbindung der Strömungskanäle 21 über die Öffnungen 20 zu den Stirnseiten der Sammelkästen 26 und 27 ist im Detail nicht gezeigt. Der Fachmann hat dafür jedoch genügend Varianten parat. Die Öffnungen 20 sind etwa dreieckförmig, weil auch die Sammelkästen 40, 50 etwa dreieckförmigen Querschnitt aufweisen. Das ist in der bereits genannten europäischen Patentanmeldung Nr. 9910760.9 gezeigt und beschrieben worden, weshalb ausdrücklich darauf hingewiesen wird, daß hier nicht deutlich gezeigte Merkmale aus dieser Veröffentlichung entnommen werden sollen.
    (siehe auch Fig. 4 und Beschreibung, unten)    The execution of the fluidic connection of the flow channels 21 via the openings 20 to the end faces of the collecting boxes 26 and 27 is not shown in detail. However, the expert has enough variants ready for this. The openings 20 are approximately triangular, because the collecting boxes 40, 50 also have an approximately triangular cross section. This has been shown and described in the aforementioned European patent application No. 9910760.9, which is why it is expressly pointed out that features that are not clearly shown here are to be taken from this publication.
    (see also Fig. 4 and description, below)

    Die Strömungskanäle 21 sind an der Rückwand 13 befestigt und stellen ein zusätzliches Versteifungselement dar. Außerdem sind beidseitig der Rückwand 13 Halterungen 9 zu Abstützung der Kühlanlage 1 im Lastkraftwagen angebracht worden. In der Mitte der Rückwand 13 befindet sich eine Adapterplatte 24 zur Aufnahme des Lagers 14 des Radiallaufrades 15.The flow channels 21 are attached to the rear wall 13 and set additional stiffening element. In addition, the rear wall 13 on both sides Brackets 9 attached to support the cooling system 1 in the truck been. In the middle of the rear wall 13 there is an adapter plate 24 for receiving of the bearing 14 of the radial impeller 15.

    Aus der Fig. 3 ist zu erkennen, daß die Rückwand 13 eingezogen ist. Das Laufrad 15 befindet sich in einer vorderen Position innerhalb der Kühlanlage, die sich als optimal hinsichtlich der Kühlleistung erwiesen hat.From Fig. 3 it can be seen that the rear wall 13 is retracted. The impeller 15 is in a front position within the cooling system, which is called has proven optimal in terms of cooling performance.

    Aus Fig. 4 geht hervor, wie die Kühler 2 - 5 der Kühlanlage 1 zusammengefügt werden. Eine Stirnseite 31 der Sammelkästen 40, 50 der Kühler 2 - 5 ist mit je einem Flansch 15 ausgerüstet. Der Flansch 15 hat eine dreieckförmige Öffnung 30, durch die die Kühlflüssigkeit in den Kühler 5 oben eintreten und unten wieder austreten kann, weil die Öffnung 30 in dem oberen Flansch 15 mit einer Öffnung 20 im Knotenblech 18 und die Öffnung 30 in dem unteren Flansch 15 mit der Öffnung 20 im Knotenblech 19 übereinstimmt. Die Öffnungen 20, 30 sind über die Strömungskanäle 21 mit dem Eintritt 22 und dem Austritt 23 in Verbindung. Es versteht sich, daß geeignete Dichtungen verwendet werden. In jedem Flansch 15 sind drei weitere Öffnungen 32 vorgesehen, die der Befestigung an den Knotenblechen 18 und 19 und zwar mittels der dortigen Öffnungen 6 und 7 und Schrauben 8 dienen. Die Öffnungen 7 in den Knotenblechen 17, 19 sind als Langlöcher ausgebildet, wohingegen die Öffnungen 6 rund sind. Diese Ausbildung gestattet die durch den ständigen Temperaturwechsel hervorgerufene Ausdehnung bzw. Kontraktion innerhalb der Kühler. Aus der Fig. 4 ist ferner zu erkennen, daß die Kühler 2-5 mit gegenüberliegenden Rohrböden 33 ausgerüstet sind. In den Rohrböden 33 befinden sich Reihen von schlitzartigen Öffnungen 34. In diesen Öffnungen 34 sind die Enden der Flachrohre befestigt, die die beiden Sammelkästen 40 und 50 verbinden, durch die beispielsweise die Kühlflüssigkeit oder, im Falle des Kühlers 2, die Ladeluft hindurchströmt.4 shows how the coolers 2-5 of the cooling system 1 are assembled become. An end face 31 of the header boxes 40, 50 of the coolers 2-5 is with each equipped with a flange 15. The flange 15 has a triangular opening 30, through which the coolant enters the cooler 5 above and below again can emerge because the opening 30 in the upper flange 15 with an opening 20 in the gusset plate 18 and the opening 30 in the lower flange 15 with the opening 20 matches in the gusset plate 19. The openings 20, 30 are over the Flow channels 21 with the inlet 22 and the outlet 23 in connection. It it goes without saying that suitable seals are used. In each flange 15 three further openings 32 are provided for fastening to the gusset plates 18 and 19 by means of the openings 6 and 7 and Serve screws 8. The openings 7 in the gusset plates 17, 19 are elongated holes formed, whereas the openings 6 are round. This training allows the expansion caused by the constant temperature change or contraction within the cooler. 4 also shows that the coolers 2-5 are equipped with opposite tube sheets 33. In the tube sheets 33 there are rows of slot-like openings 34. In these openings 34 are attached to the ends of the flat tubes, the two Connect header boxes 40 and 50 through which, for example, the cooling liquid or, in the case of the cooler 2, the charge air flows through.

    Claims (10)

    Kühlanlage (1) mit mehreren, zwei Sammelkästen (40, 50) aufweisende, einzelnen Kühlern (2, 3, 4, 5), die kastenförmig angeordnet sind und die ein Radiallaufrad (15) innerhalb der kastenförmigen Anordnung besitzt, das Frischluft über eine mit einer Düse (10) versehenen Ansaugöffnung (11) in der Frontwand (12) ansaugt und als Kühlluft durch die Kühler (2, 3, 4, 5,) der kastenförmigen Anordnung hindurchbläst, wobei die Kühlanlage (1) eine Rückwand (13) aufweist, die zum Zentrum hin eingezogen ist und das Lager (14) des Radiallaufrades (9) trägt, dadurch gekennzeichnet, daß die Rückwand (13) vom Zentrum ausgehende Streben (25) aufweist, die zu in den Ecken der Kühlanlage (1) angeordneten Knotenblechen (16 - 19) führen, daß in mindestens zwei der Knotenbleche (16 - 19) mindestens je eine Öffnung (20) zum Durchführen eines zu kühlenden Mediums durch mindestens einen Kühler (3, 4 oder 5) angeordnet ist, und daß in den Knotenblechen (16-19) Mittel zur lösbaren Befestigung (6, 7, 8) der Rückwand (13) an den Sammelkästen (40, 50) der Kühler (2, 3, 4, 5) angeordnet sind. Cooling system (1) with several, two collecting tanks (40, 50), individual coolers (2, 3, 4, 5), which are arranged in a box shape and which has a radial impeller (15) within the box-shaped arrangement, the fresh air via a a suction opening (11) provided in the front wall (12) and blows as cooling air through the coolers (2, 3, 4, 5,) of the box-shaped arrangement, the cooling system (1) having a rear wall (13) , which is drawn towards the center and carries the bearing (14) of the radial impeller (9), characterized in that the rear wall (13) has struts (25) extending from the center, which lead to gusset plates (16 - 19) arranged in the corners of the cooling system (1), that in at least two of the gusset plates (16 - 19) at least one opening (20 ) is arranged for passing a medium to be cooled through at least one cooler (3, 4 or 5), and that means for releasably fastening (6, 7, 8) the rear wall (13) to the collecting boxes (40, 50) of the coolers (2, 3, 4, 5) are arranged in the gusset plates (16-19). Kühlanlage nach Anspruch 1, dadurch gekennzeichnet, daß Strömungskanäle (21) vorgesehen sind, die mit den Öffnungen (20) kommunizieren und die den Ein- und Austritt (22, 23) für das zu kühlende Medium aufweisen.Cooling system according to claim 1, characterized in that flow channels (21) are provided which communicate with the openings (20) and which the inputs and Have outlet (22, 23) for the medium to be cooled. Kühlanlage nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Kühler (3, 4, 5) zur Kühlung einer einzigen Kühlflüssigkeit dienen, die ein-und ausgangsseitig mittels der Strömungskanäle (21) über die Öffnungen (20) in den Knotenblechen (16 - 19) verbunden sind, wobei die Knotenbleche (16 und 17)je eine Öffnung (20) für den Eingang in die Kühler (3 und 5) und die Knotenbleche (18 und 19)je zwei Öffnungen (20) aufweisen, wovon eine Öffnung (20) dem Ausgang aus dem Kühler (3 bzw. 5) dient und die andere Öffnung (20) den Eingang bzw. den Ausgang des Kühlers (4) darstellt.Cooling system according to claims 1 and 2, characterized in that the coolers (3, 4, 5) serve to cool a single cooling liquid, the input and output side by means of the flow channels (21) through the openings (20) in the gusset plates (16 - 19) are connected, the gusset plates (16 and 17) each having an opening (20) for the entrance to the cooler (3 and 5) and the gusset plates (18 and 19) two each Have openings (20), of which an opening (20) the exit from the Cooler (3 or 5) and the other opening (20) serves the input or the output the cooler (4). Kühlanlage nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Kühler (3 bis 5) zur Kühlung verschiedener Medien, beispielsweise Öl, Kühlflüssigkeit und Kältemittel vorgesehen sind und die Strömungskanäle (21) sowie die Öffnungen (20) daran angepaßt ausgebildet sind.Cooling system according to claims 1 and 2, characterized in that the coolers (3 to 5) for cooling various media, such as oil, coolant and Refrigerants are provided and the flow channels (21) and the openings (20) are adapted to it. Kühlanlage nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, daß im Zentrum der Rückwand (13) das Lager (14) des Radialventilators (9) an einer Adapterplatte (24) befestigt ist, die an den zu den Knotenblechen (16 - 19) führenden Streben (25) angeschlossen ist und daß zwischen den Streben (25) Abdeckungen angeordnet sind.Cooling system according to one of claims 1-4, characterized in that in Center of the rear wall (13) the bearing (14) of the radial fan (9) on a Adapter plate (24) is attached, which on the to the gusset plates (16 - 19) leading struts (25) is connected and that between the struts (25) Covers are arranged. Kühlanlage nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Strömungskanäle (21) unmittelbar an der Rückwand (13) befestigt sind.Cooling system according to one of the preceding claims, characterized in that that the flow channels (21) are attached directly to the rear wall (13). Kühlanlage nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß je eine Stirnseite (31) der Sammelkästen 40, 50 der Kühler (2 - 5) mit einem Flansch (15) ausgerüstet ist, in dem sich eine mit der Öffnung (20) in den Knotenblechen (16-19) korrespondierende Öffnung (30) befindet sowie weitere Öffnungen (32), die der Befestigung, gemeinsam mit den Öffnungen (6, 7) und Schrauben (8) in den Knotenblechen (16-19) dienen.Cooling system according to one of the preceding claims, characterized in that that one end (31) of the header boxes 40, 50 of the cooler (2-5) with a Flange (15) is equipped in which one with the opening (20) in the gusset plates (16-19) corresponding opening (30) and other openings (32), the fastening, together with the openings (6, 7) and screws (8) serve in the gusset plates (16-19). Kühlanlage nach Anspruch 1 und 7, dadurch gekennzeichnet, daß die Öffnungen (6) kreisförmig und die Öffnungen (7) Langlöcher sind, um den Kühlern (3-5) Freiheitsgrade für durch Temperaturschwankungen verursachte Bewegungen einzuräumen.Cooling system according to claims 1 and 7, characterized in that the openings (6) circular and the openings (7) are elongated holes to the coolers (3-5) Allow degrees of freedom for movements caused by temperature fluctuations. Kühlanlage nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das Zentrum, die Streben (25) und die Knotenbleche (16 - 19) der Rückwand (13) ein gießtechnisch hergestelltes Teil ist.Cooling system according to one of the preceding claims, characterized in that that the center, the struts (25) and the gusset plates (16 - 19) of the rear wall (13) is a part manufactured by casting. Kühlanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zur Befestigung der Knotenbleche (16-19) an den Sammelkästen (40, 50) zumindest teilweise als formschlüssige, ineinandergreif - oder schiebbare Teile ausgebildet sind.Cooling system according to claim 1, characterized in that the means for Fastening the gusset plates (16-19) to the header boxes (40, 50) at least partially designed as a form-fitting, interlocking or sliding parts are.
    EP00119521A 1999-10-21 2000-09-07 Cooling system Expired - Lifetime EP1094288B1 (en)

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    DE19950753 1999-10-21
    DE19950753A DE19950753A1 (en) 1999-10-21 1999-10-21 Cooling system I

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    Publication number Publication date
    ATE335182T1 (en) 2006-08-15
    US6564857B1 (en) 2003-05-20
    EP1094288A3 (en) 2003-09-03
    DE19950753A1 (en) 2001-04-26
    US20030141037A1 (en) 2003-07-31
    US6886624B2 (en) 2005-05-03
    DE50013260D1 (en) 2006-09-14
    EP1094288B1 (en) 2006-08-02

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