EP1538407A2 - Condenser - Google Patents

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Publication number
EP1538407A2
EP1538407A2 EP04027603A EP04027603A EP1538407A2 EP 1538407 A2 EP1538407 A2 EP 1538407A2 EP 04027603 A EP04027603 A EP 04027603A EP 04027603 A EP04027603 A EP 04027603A EP 1538407 A2 EP1538407 A2 EP 1538407A2
Authority
EP
European Patent Office
Prior art keywords
collector
condenser
inlet
transfer line
refrigerant
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
EP04027603A
Other languages
German (de)
French (fr)
Other versions
EP1538407A3 (en
EP1538407B1 (en
Inventor
Viktor Brost
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Modine Manufacturing Co filed Critical Modine Manufacturing Co
Priority to EP06021990A priority Critical patent/EP1741998B1/en
Publication of EP1538407A2 publication Critical patent/EP1538407A2/en
Publication of EP1538407A3 publication Critical patent/EP1538407A3/en
Application granted granted Critical
Publication of EP1538407B1 publication Critical patent/EP1538407B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0443—Condensers with an integrated receiver the receiver being positioned horizontally
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers

Definitions

  • the compactness is further improved when a transfer line disposed within the manifold is selected.
  • This may be an approximately coaxial tube.
  • the manifold could be divided in the transfer line but also only by a wall.
  • the other inlet or outflow opening is preferably provided directly between the jacket of the collector and the front end of the collecting tube.
  • the collector is located in the immediate vicinity of the tube - fin block, and in particular in the immediate vicinity and parallel to one of the side parts, which usually reinforce the tube - rib block on the sides. If necessary, an additional mounting of the collector can be provided on these side parts.
  • FIGS. 1-4 show an exemplary embodiment with an external transfer line
  • FIGS. 5-9 show an exemplary embodiment with a transfer line integrated in the collecting tube
  • Fig. 9 shows a flared manifold with integrated transfer line.
  • the indicated in the embodiments stages 1 and 2 each consist of a plurality of flat heat exchanger tubes 15 , wherein between the heat exchanger tubes 15 corrugated fins 18 are arranged, which are flowed through by the cooling air to cool the refrigerant in the heat exchanger tubes 15 and to condense.
  • the refrigerant leaves the condenser 30 in the fully liquefied and supercooled state .
  • the refrigerant 25 enters the condenser 30 through the inlet and outlet flange 26 . It flows through several stages 1 before it enters the transfer line 10 through the inlet opening 27 . Through the transfer line 10 , the entire refrigerant 25 is guided past the stage 2 and transferred to the collector 4 .
  • FIG. 9 yet another alternative of the second embodiment is shown.
  • the manifold 3 was enlarged on the collector 4 side facing 35 in diameter.
  • the manifold 3 has been widened to accommodate the transfer line 10 so that the returning refrigerant 25 undergoes no unnecessary pressure loss through a too narrow manifold 3 .
  • the installation of the transfer line 10 is easier to accomplish.

Abstract

The device has parallel heat exchanger tubes (15) carrying a coolant flow in several stages (Stufe 1, Stufe 2), two collection tubes (3,5) divided by separating walls (7) to produce the stages and a collector (4) approximately parallel to the heat exchanger tubes. A transfer line (10) from one stage to the inlet or outlet opening of the collector extends transversely slightly over an adjacent stage. The other collector inlet or outlet opening is approximately at or near the end of the collector tube or to pas coolant into the adjacent stage.

Description

Die Erfindung betrifft einen Kondensator für die Klimaanlage eines Kraftfahrzeugs, dessen Rohre in mehreren Stufen von dem Kältemittel durchströmbar sind, wozu er zwei Sammelrohre aufweist, und einen, mit einem der Sammelrohre über Ein - und Ausströmöffnungen zwischen den Stufen in Strömungsverbindung stehenden, Sammler besitzt, der etwa parallel zu den Rohren des Kondensators angeordnet ist.The invention relates to a condenser for the air conditioning system of a motor vehicle, the tubes are flowed through in several stages by the refrigerant, what he has two headers, and one, with one of the headers on and Outflow openings between the stages in fluid communication, Has collector, which is arranged approximately parallel to the tubes of the capacitor.

Ein solcher Kondensator mit vertikal verlaufenden Wärmetauscherrohren ist aus der Fig. 7 des EP 769 666 A1 bekannt. Im EP'666 sind die Sammelrohre horizontal liegend angeordnet. Der Sammler verläuft parallel zu den Wärmetauscherrohren des Kondensators und ist vertikal stehend angeordnet. Die vertikale Position des Sammlers ist bezüglich der darin stattfindenden Trennung zwischen noch gasförmigem und bereits verflüssigtem Kältemittel günstig, und sie ist deshalb am weitesten verbreitet.Such a condenser with vertically extending heat exchanger tubes is from the Fig. 7 of EP 769 666 A1 known. In EP'666 the headers are horizontal arranged horizontally. The collector runs parallel to the heat exchanger tubes of the Condenser and is arranged vertically standing. The vertical position of the Collector is in terms of the separation taking place in between gaseous and already liquefied refrigerant, and it is therefore on most widespread.

Im EP 974 793 A2, Fig. 1, hingegen sind die Wärmetauscherrohre horizontal und somit die Sammelrohre des dortigen Kondensators vertikal stehend angeordnet. Der Sammler befindet sich parallel zu den Wärmetauscherrohren horizontal liegend, unterhalb des Rohr - Rippen - Blocks des Kondensators. In diesem Dokument wurde im Übrigen vorgesehen, das Kältemittel im Anschluss an die Durchströmung der Stufen des Kondensators durch den Sammler strömen zu lassen, weshalb dieser Kondensator einer anderen Gattung zuzurechnen ist.
In beiden Fällen ist der Sammler lösbar, über einen angelöteten Verbindungsblock, mit einem der Sammelrohre verbunden. Es scheint keine erfinderische Tätigkeit erforderlich zu sein, um die lösbare Verbindung in eine unlösbar, beispielsweise in eine Lötverbindung, umzugestalten.
Jedoch hat sich der Erfinder darüber hinaus die Aufgabe gestellt, seinen Kondensator noch kompakter und noch herstellungsfreundlicher als Gesamt-Lötkonstruktion auszubilden.
Erfindungsgemäß wurde diese Aufgabe bei einem Kondensator gemäß Oberbegriff des Anspruchs 1 mit den Merkmalen aus dessen Kennzeichen gelöst. Es ist eine Überführungsleitung von einer Stufe zu der einen Ein - oder Ausströmöffnung des Sammlers vorgesehen. Die Überführungsleitung erstreckt sich etwa über den Bereich der benachbarten Stufe. Die andere Ein - oder Ausströmöffnung des Sammlers ist etwa am stirnseitigen Ende des Sammelrohres vorgesehen. Dadurch wurde eine besonders kompakte Anordnung geschaffen, die sich hervorragend zu einer einzigen Lötkonstruktion verbinden lässt. Jede Stufe besteht aus mehreren parallelen Wärmetauscherrohren des Kondensators. Ferner wird durch das Vorsehen der Überführungsleitung die Position des Sammlers verbessert. In der Fig. 7 des EP 769 666 A1 befindet sich der Sammler vor oder hinter dem Rohr - Rippen - Block, so dass der Wärmeaustausch zwischen der senkrecht zum Rohr - Rippen - Block einströmenden Kühlluft und dem innerhalb des Rohr - Rippen - Blocks strömenden Kältemittel beeinträchtigt ist. Nach der Erfindung hingegen befindet sich der Sammler seitlich neben dem Rohr - Rippen - Block, wodurch die Effizienz des Wärmeaustausches verbessert wurde. Mit Hilfe der Überführungsleitung wird das Kältemittel von der einen Stufe über die andere Stufe hinweg bis in den Sammler hinein überführt. Nach dem Durchströmen des Sammlers tritt das Kältemittel in die erwähnte andere Stufe ein und durchströmt diese. Diese andere Stufe kann beispielsweise eine Unterkühlungsstufe sein.
Die Überführungsleitung kann entweder innerhalb des Sammelrohrs oder außerhalb des Sammelrohrs angeordnet sein. Die Kompaktheit wird weiter verbessert, wenn eine innerhalb des Sammelrohres angeordnete Überführungsleitung gewählt wird. Hier kann es sich um ein etwa koaxiales Rohr handeln. Das Sammelrohr könnte im Bereich der Überführungsleitung aber auch lediglich durch eine Wand unterteilt sein.
Die andere Ein - oder Ausströmöffnung ist vorzugsweise unmittelbar zwischen dem Mantel des Sammlers und dem stirnseitigen Ende des Sammelrohres vorgesehen. Dadurch befindet sich der Sammler in unmittelbarer Nähe des Rohr - Rippen - Blocks und insbesondere in unmittelbarer Nähe und parallel zu einem der Seitenteile, die den Rohr - Rippen - Block gewöhnlich an den Seiten verstärken. An diesen Seitenteilen kann im Bedarfsfall eine zusätzliche Halterung des Sammlers vorgesehen werden.
Der erfindungsgemäße Kondensator ist besonders zur Kombination mit einem Wasserkühler und/oder anderen Wärmetauschern des Kraftfahrzeuges geeignet, die ebenfalls oben und unten horizontal angeordnete Sammelkästen und vertikale Wärmetauscherrohre aufweisen.
Nachfolgend wird die Erfindung in zwei bevorzugten Ausführungsbeispielen an Hand der beiliegenden Abbildungen beschrieben. Aus dieser Beschreibung gehen weitere Merkmale und Vorteile der Erfindung hervor, die sich als besonders wesentlich herausstellen können. In EP 974 793 A2, Fig. 1, however, the heat exchanger tubes are horizontal and thus arranged the manifolds of the local condenser vertically. The collector is located horizontally parallel to the heat exchanger tubes, below the tube - fin block of the condenser. Incidentally, it has been proposed in this document to allow the refrigerant to flow through the collector following the passage of the stages of the condenser, which is why this condenser belongs to a different type.
In both cases, the collector is releasably connected via a soldered connection block to one of the manifolds. There does not appear to be an inventive step required to reshape the releasable bond into a non-releasable, such as a solder joint.
However, the inventor has also set itself the task to make his capacitor even more compact and still production friendly than overall Lötkonstruktion.
According to the invention this object has been achieved in a capacitor according to the preamble of claim 1 with the features of its characteristics. There is provided a transfer line from one stage to the one inlet or outlet of the collector. The transfer line extends approximately over the area of the adjacent stage. The other inlet or outlet opening of the collector is provided approximately at the front end of the collecting tube. As a result, a particularly compact arrangement was created, which can be perfectly combined to form a single Lötkonstruktion. Each stage consists of several parallel heat exchanger tubes of the condenser. Furthermore, the provision of the transfer line improves the position of the collector. In FIG. 7 of EP 769 666 A1, the collector is located in front of or behind the tube / fin block, so that the heat exchange between the cooling air flowing perpendicular to the tube / fin block and the refrigerant flowing inside the tube / fin block is impaired. By contrast, according to the invention, the collector is laterally adjacent to the tube-and-finned block, thereby improving the efficiency of heat exchange. With the help of the transfer line, the refrigerant is transferred from one stage to the other via the other stage into the collector. After flowing through the collector, the refrigerant enters the mentioned other stage and flows through it. This other stage may, for example, be a subcooling stage.
The transfer line may be located either within the header or outside the header. The compactness is further improved when a transfer line disposed within the manifold is selected. This may be an approximately coaxial tube. The manifold could be divided in the transfer line but also only by a wall.
The other inlet or outflow opening is preferably provided directly between the jacket of the collector and the front end of the collecting tube. As a result, the collector is located in the immediate vicinity of the tube - fin block, and in particular in the immediate vicinity and parallel to one of the side parts, which usually reinforce the tube - rib block on the sides. If necessary, an additional mounting of the collector can be provided on these side parts.
The condenser according to the invention is particularly suitable for combination with a water cooler and / or other heat exchangers of the motor vehicle, which also have top and bottom horizontally arranged collecting tanks and vertical heat exchanger tubes.
The invention will be described in two preferred embodiments with reference to the accompanying drawings. From this description, further features and advantages of the invention will become apparent which may prove to be particularly essential.

Die Fig. 1 - 4 zeigen ein Ausführungsbeispiel mit einer außen liegenden Überführungsleitung und die Fig. 5 - 9 zeigen ein Ausführungsbeispiel mit einer im Sammelrohr integrierten Überführungsleitung. Die Fig. 9 zeigt ein aufgeweitetes Sammelrohr mit integrierter Überführungsleitung.
Die in den Ausführungsbeispielen angedeuteten Stufen 1 und 2 bestehen jeweils aus mehreren flachen Wärmetauscherrohren 15, wobei zwischen den Wärmetauscherrohren 15 Wellrippen 18 angeordnet sind, die von der Kühlluft durchströmt werden, um das Kältemittel in den Wärmetauscherrohren 15 zu kühlen bzw. zu kondensieren. Das Kältemittel verlässt im vollständig verflüssigten und unterkühlen Zustand den Kondensator 30.
Bei dem in den Fig. 1 und 5 dargestellten Ausschnitten aus dem Kondensator 30 handelt es sich deshalb bei der Stufe 1 um mehrere Stufen, die vorgeschaltet sind, wie es prinzipiell aus den Fig. 2 und 6 erkennbar ist. Die Stufen 1, 2 entstehen durch die zweckmäßige Anordnung von Trennwänden 7 in den Sammelrohren 3 und 5.
In den Fig. 1 und 2 tritt das Kältemittel 25 durch den Eintritts - und Austrittsflansch 26 in den Kondensator 30 ein. Es fließt durch mehrere Stufen 1 bevor es durch die Einlassöffnung 27 in die Überführungsleitung 10 eintritt. Durch die Überführungsleitung 10 wird das gesamte Kältemittel 25 an der Stufe 2 vorbeigeleitet und in den Sammler 4 überführt. Am Flansch 8 tritt die Überführungsleitung 10 in den Sammler 4 ein und durchquert den Raum 28, den Filter 29 und gibt oberhalb des Filters 29 das flüssige mit geringen Gasanteilen vermischte Kältemittel 25 über die Einströmöffnung 14 in das Innere des Sammlers 4 ab. Im Sammler 4 befindet sich das Trocknungsmittel in einem Behälter 12. Auf seinem weiteren Weg strömt das Kältemittel durch den Filter 29, um kleinste Partikel abzuscheiden und in den Rückströmraum 28. Die Trennstege 36 sollen garantieren, dass das gesamte Kältemittel 25 durch den Filter 29 strömt. Über die Ausströmöffnung 13 am Flansch 9 verlässt das Kältemittel 25 den Sammler 4 und strömt durch das stirnseitige Ende 35 des Sammelrohres 3 in die Stufe 2 des Kondensators 30. Nach der Unterkühlung in der Stufe 2 gelangt es über das Sammelrohr 5 und den Auslass 19 zum Ein - und Austrittsflansch 26 um dann seinen Weg im nicht gezeigten Klimatisierungskreislauf fortzusetzen. In Fig. 4 ist eine Alternative zum ersten Ausführungsbeispiel gezeigt. In einigen Fällen kann es notwendig sein den Sammler 4 etwas vor oder hinter der Ebene 33 des Rohr - Rippen - Blocks des Kondensators 30 anzuordnen. Der Sammler 4 ist dann um den Abstand 32 aus der Ebene 33 nach vorn oder hinten versetzt, aber ansonsten identisch zum ersten Ausführungsbeispiel.FIGS. 1-4 show an exemplary embodiment with an external transfer line, and FIGS. 5-9 show an exemplary embodiment with a transfer line integrated in the collecting tube. Fig. 9 shows a flared manifold with integrated transfer line.
The indicated in the embodiments stages 1 and 2 each consist of a plurality of flat heat exchanger tubes 15 , wherein between the heat exchanger tubes 15 corrugated fins 18 are arranged, which are flowed through by the cooling air to cool the refrigerant in the heat exchanger tubes 15 and to condense. The refrigerant leaves the condenser 30 in the fully liquefied and supercooled state .
The sections of the condenser 30 shown in FIGS. 1 and 5 are therefore in the stage 1 by several stages, which are connected upstream, as can be seen in principle from FIGS. 2 and 6. The steps 1 , 2 are formed by the appropriate arrangement of partitions 7 in the headers 3 and 5 .
In FIGS. 1 and 2, the refrigerant 25 enters the condenser 30 through the inlet and outlet flange 26 . It flows through several stages 1 before it enters the transfer line 10 through the inlet opening 27 . Through the transfer line 10 , the entire refrigerant 25 is guided past the stage 2 and transferred to the collector 4 . At the flange 8 , the transfer line 10 enters the collector 4 and passes through the space 28 , the filter 29 and above the filter 29, the liquid mixed with small amounts of gas refrigerant 25 via the inflow opening 14 into the interior of the collector 4 from. In the collector 4 , the desiccant is in a container 12th On its further way, the refrigerant flows through the filter 29 to separate the smallest particles and into the return flow 28th The dividers 36 are to guarantee that the entire refrigerant 25 flows through the filter 29 . Via the outflow opening 13 on the flange 9 , the refrigerant 25 leaves the collector 4 and flows through the front end 35 of the collecting tube 3 into the stage 2 of the condenser 30 . After the subcooling in stage 2 , it passes via the collecting pipe 5 and the outlet 19 to the inlet and outlet flange 26, in order then to continue its travel in the air conditioning circuit (not shown). 4, an alternative to the first embodiment is shown. In some cases it may be necessary to place the collector 4 slightly in front of or behind the plane 33 of the tube-fin block of the condenser 30 . The collector 4 is then offset by the distance 32 from the plane 33 to the front or rear, but otherwise identical to the first embodiment.

In Fig. 5 und 6 tritt das Kältemittel 25 durch den Eintritts- und Austrittsflansch 26 in den Kondensator 30 ein. Es fließt durch mehrere Stufen 1 bevor es durch die Einlassöffnung 27 in die Überführungsleitung 10 eintritt. Durch die Überführungsleitung 10 wird das gesamte Kältemittel 25 an der Stufe 2 vorbei geleitet und in den Sammler 4 überführt. Am Flansch 8 tritt die Überführungsleitung 10 in den Sammler 4 ein. Am Flasch 8 befindet sich auch die Einströmöffnung 14, durch den das Kältemittel 25 in einen Innenmantel 20 einströmt. Im Innenmantel 20 befindet sich das Trocknungsmittel in einem Behälter 12. Auf seinem weiteren Weg passiert es den oberhalb des Trockners angeordneten Filter 29 um kleinste Partikel abzuscheiden. Zwischen dem Außenmantel 31 des Sammlers 4 und dem Innenmantel 20 befindet sich der Strömungskanal 16, durch den das Kältemittel 25 nach unten fließen kann. Über die Ausströmsöffnung 13 am Flansch 9 verlässt das Kältemittel 25 den Sammler 4 und strömt durch das stirnseitige Ende 35 des Sammelrohres 3 in die Stufe 2 des Kondensators 30. Nach der Unterkühlung in der Stufe 2 gelangt es über das Sammelrohr 5 und den Auslass 19 zum Ein - und Austrittsflansch 26. In Fig. 8 ist noch eine Alternative zum zweiten Ausführungsbeispiel gezeigt. In einigen Fällen kann es notwendig sein, den Sammler 4 etwas vor oder hinter der Ebene 33 des Rohr - Rippen - Blocks des Kondensators 1 anzuordnen. Der Sammler 4 ist dann um den Abstand 32 aus der Ebene 33 nach vorn oder hinten versetzt, aber ansonsten identisch mit dem zweiten Ausführungsbeispiel.In FIGS. 5 and 6, the refrigerant 25 enters the condenser 30 through the inlet and outlet flange 26 . It flows through several stages 1 before it enters the transfer line 10 through the inlet opening 27 . Through the transfer line 10 , the entire refrigerant 25 is passed to the stage 2 over and transferred to the collector 4 . At the flange 8 , the transfer line 10 enters the collector 4 a. On the bottle 8 is also the inflow opening 14, through which the refrigerant 25 flows into an inner jacket 20 . In the inner jacket 20 , the desiccant is in a container 12. In its further path, it passes through the above the dryer arranged filter 29 to separate the smallest particles. Between the outer jacket 31 of the collector 4 and the inner shell 20 is the flow channel 16 , through which the refrigerant 25 can flow down. Via the outflow opening 13 on the flange 9 , the refrigerant 25 leaves the collector 4 and flows through the front end 35 of the collecting tube 3 into the stage 2 of the condenser 30 . After the subcooling in stage 2 , it passes via the collecting pipe 5 and the outlet 19 to the inlet and outlet flange 26. FIG. 8 also shows an alternative to the second exemplary embodiment. In some cases it may be necessary to place the collector 4 slightly in front of or behind the plane 33 of the tube - fin block of the condenser 1 . The collector 4 is then offset by the distance 32 from the plane 33 to the front or rear, but otherwise identical to the second embodiment.

In Fig. 9 ist noch eine weitere Alternative des zweiten Ausführungsbeispiels gezeigt. Hier ist lediglich ein Ausschnitt des Sammelrohres 3 zu sehen. In diesem Fall wurde das Sammelrohr 3 auf der dem Sammler 4 zugewandten Seite 35 im Durchmesser vergrößert. Vor der letzten Trennwand 7 im Sammelrohr 3 ist das Sammelrohr 3 aufgeweitet worden, um die Überführungsleitung 10 aufzunehmen, damit das zurückfließende Kältemittel 25 keinen unnötigen Druckverlust durch ein zu enges Sammelrohr 3 erfährt. Außerdem ist der Einbau der Überführungsleitung 10 leichter zu bewerkstelligen.In Fig. 9, yet another alternative of the second embodiment is shown. Here is only a section of the manifold 3 can be seen. In this case, the manifold 3 was enlarged on the collector 4 side facing 35 in diameter. Before the last partition wall 7 in the manifold 3 , the manifold 3 has been widened to accommodate the transfer line 10 so that the returning refrigerant 25 undergoes no unnecessary pressure loss through a too narrow manifold 3 . In addition, the installation of the transfer line 10 is easier to accomplish.

Claims (13)

Kondensator (30) für die Klimaanlage eines Kraftfahrzeugs, dessen parallelen Wärmetauscherrohre (15) in mehreren Stufen (1, 2) von einem Kältemittel (25) durchströmbar sind, wozu er zwei Sammelrohre (3, 5) aufweist, die mittels Trennwänden (7) derart unterteilt sind, dass die erwähnten und aus mehreren Wärmetauscherrohren (15) bestehenden Stufen (1, 2) entstehen, und der einen mit einem der Sammelrohre (3) über Ein - und Ausströmöffnungen (13, 14) zwischen den Stufen (1, 2) in Strömungsverbindung stehenden Sammler (4) besitzt, der etwa parallel zu den Wärmetauscherrohren (15) des Kondensators angeordnet ist, dadurch gekennzeichnet, dass
eine Überführungsleitung (10) von einer Stufe (1) zu der einen Ein - oder Ausströmöffnung (14) des Sammlers (4) vorgesehen ist, die sich in Querrichtung der Rohre (15) etwa über eine benachbarte Stufe (2) erstreckt, und dass die andere Ein - oder Ausströmöffnung (13) des Sammlers (4) etwa am stirnseitigen Ende (35) des Sammelrohrs (3) oder in dessen Nähe vorgesehen ist, um das Kältemittel in die benachbarte Stufe (2) zu leiten.Condenser (30) for the air conditioning system of a motor vehicle, the parallel heat exchanger tubes (15) in several stages (1, 2) of a refrigerant (25) are flowed through, for which he has two manifolds (3, 5) by means of partitions (7) are subdivided in such a way that the mentioned steps (1, 2) consist of a plurality of heat exchanger tubes (15), and one with one of the collecting tubes (3) via inlet and outlet openings (13, 14) between the steps (1, 2 ) in fluid communication collector (4) has, which is arranged approximately parallel to the heat exchanger tubes (15) of the capacitor, characterized in that
a transfer line (10) is provided from a step (1) to the one inlet or outflow opening (14) of the collector (4) extending transversely of the tubes (15) approximately over an adjacent step (2); the other inflow or outflow opening (13) of the collector (4) is provided approximately at the front end (35) of the collecting pipe (3) or in its vicinity, in order to guide the refrigerant into the adjacent stage (2). Kondensator nach Anspruch 1, dadurch gekennzeichnet, dass die Überführungsleitung (10) innerhalb des Sammelrohrs (3) angeordnet ist.A condenser according to claim 1, characterized in that the transfer line (10) is arranged inside the collecting pipe (3). Kondensator nach Anspruch 1, dadurch gekennzeichnet, dass die Überführungsleitung (10) außerhalb des Sammelrohrs (3) angeordnet ist und vorzugsweise parallel dazu verläuft.A capacitor according to claim 1, characterized in that the transfer line (10) outside the collecting tube (3) is arranged and preferably parallel thereto. Kondensator nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Überführungsleitung (10) an einem Ende in einer Öffnung in der Trennwand (7) steckt und die Einlaßöffnung (27) bildet und am anderen Ende in den Sammler (4) eintritt.A condenser according to claims 1 and 2, characterized in that the transfer duct (10) is inserted at one end into an opening in the partition (7) and forms the inlet opening (27) and enters the collector (4) at the other end. Kondensator nach den Ansprüchen 1 und 3, dadurch gekennzeichnet, dass die Überführungsleitung (10) an einem Ende in der Nähe der Trennwand (7) im Sammelrohr (3) steckt und die Einlaßöffnung (27) bildet und am anderen Ende in dem Sammler (4) steckt.A condenser according to claims 1 and 3, characterized in that the transfer line (10) is inserted at one end in the vicinity of the dividing wall (7) in the collecting pipe (3) and forms the inlet opening (27) and at the other end in the collector (4 ) plugged. Kondensator nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Sammler (4) einen Innenmantel (20) und einen Außenmantel (31) aufweist, die vorzugsweise koaxial zueinander angeordnet sind, so dass zwischen dem Innenmantel (20) und dem Außenmantel (31) ein Strömungskanal (16) für das Kältemittel (25) ausgebildet ist, wobei die eine Ein - oder Ausströmöffnung (14) mit dem vom Innenmantel (20) umschlossenen Raum kommuniziert und die andere Ein - oder Ausströmöffnung (13) im Außenmantel (31) angeordnet ist.Capacitor according to one of the preceding claims, characterized in that the collector (4) has an inner casing (20) and an outer casing (31), which are preferably arranged coaxially with each other, so that between the inner casing (20) and the outer casing (31). a flow channel (16) is formed for the refrigerant (25), wherein the one inlet or outlet opening (14) communicates with the space enclosed by the inner jacket (20) and the other inlet or outlet opening (13) is arranged in the outer jacket (31) is. Kondensator nach einem der vorstehenden Ansprüche , dadurch gekennzeichnet, dass sich in dem Raum, der von dem Innenmantel (20) umschlossen ist ein Trockner (12) und ein Filter (29) befinden.Condenser according to one of the preceding claims, characterized in that in the space which is enclosed by the inner jacket (20) is a dryer (12) and a filter (29). Kondensator nach einem der vorstehenden Ansprüche , dadurch gekennzeichnet, dass sich in dem Raum, der von dem Innenmantel (20) umschlossen ist ein Trockner (12) befindet und ein Filter (29) im Strömungsweg vor der Ausströmöffnung (14) angeordnet ist.Condenser according to one of the preceding claims, characterized in that in the space which is enclosed by the inner jacket (20) is a dryer (12) and a filter (29) in the flow path in front of the outflow opening (14) is arranged. Kondensator nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Filter (29) oberhalb des Trockners (12) angeordnet ist, so dass das gereinigte Kältemittel (25) nach Durchströmung des Filters (29) seine Strömungsrichtung umkehrt und über den Strömungskanal (16) und die andere Ein - oder Ausströmöffnung (14) in die genannte Stufe (2) des Kondensators eintritt.Condenser according to one of the preceding claims, characterized in that the filter (29) is arranged above the dryer (12), so that the cleaned refrigerant (25) after flowing through the filter (29) reverses its flow direction and via the flow channel (16). and the other inlet or outlet port (14) enters said stage (2) of the condenser. Kondensator nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Sammelrohre (3, 5) des Kondensators (30) horizontal verlaufen, so dass die Wärmetauscherrohre (15) des Kondensators (30) und der parallel dazu vorgesehene Sammler (4) vertikal angeordnet sind.Condenser according to one of the preceding claims, characterized in that the collecting pipes (3, 5) of the condenser (30) are horizontal, so that the heat exchanger tubes (15) of the condenser (30) and the collector (4) provided in parallel thereto are arranged vertically , Kondensator nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass beide Ein - oder Ausströmöffnungen (13, 14) seitlich im Innen (20) bzw. Außenmantel (31) des Sammlers (4) angeordnet sind.Capacitor according to one of the preceding claims, characterized in that both inlet or outlet openings (13, 14) are arranged laterally in the inner (20) or outer jacket (31) of the collector (4). Kondensator nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der eine Flansch (8) im Boden des Sammlers und der andere Flansch in dessen Nähe im Außenmantel (31) des Sammlers (4) angeordnet ist.Condenser according to one of the preceding claims, characterized in that the one flange (8) in the bottom of the collector and the other flange in its vicinity in the outer jacket (31) of the collector (4) is arranged. Kondensator nach Anspruch 2, dadurch gekennzeichnet, dass das Sammelrohr (3) über die Länge der Überführungsleitung (10) einen größeren Durchmesser aufweist als im übrigen Längenbereich, um den Einbau der Überführungsleitung (10) zu erleichtern.A condenser according to claim 2, characterized in that the collecting pipe (3) over the length of the transfer line (10) has a larger diameter than in the remaining length range in order to facilitate the installation of the transfer line (10).
EP04027603A 2003-12-06 2004-11-20 Condenser Not-in-force EP1538407B1 (en)

Priority Applications (1)

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EP06021990A EP1741998B1 (en) 2003-12-06 2004-11-20 Condenser

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DE10357176A DE10357176A1 (en) 2003-12-06 2003-12-06 capacitor
DE10357176 2003-12-06

Related Child Applications (1)

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EP06021990A Division EP1741998B1 (en) 2003-12-06 2004-11-20 Condenser

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EP1538407A2 true EP1538407A2 (en) 2005-06-08
EP1538407A3 EP1538407A3 (en) 2005-10-05
EP1538407B1 EP1538407B1 (en) 2007-05-16

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EP (2) EP1741998B1 (en)
AT (2) ATE464518T1 (en)
DE (3) DE10357176A1 (en)

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Publication number Priority date Publication date Assignee Title
EP3855095A1 (en) * 2020-01-22 2021-07-28 Valeo Autosystemy SP. Z.O.O. A heat exchanger with horizontally positioned receiver drier

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Publication number Priority date Publication date Assignee Title
FR2965336B1 (en) 2010-09-28 2012-09-14 Valeo Systemes Thermiques SET OF A BIPHASIC HEAT EXCHANGER AND BOTTLE
JP6216113B2 (en) * 2012-04-02 2017-10-18 サンデンホールディングス株式会社 Heat exchanger and heat pump system using the same
JP6541219B2 (en) * 2015-05-19 2019-07-10 サンデン・オートモーティブクライメイトシステム株式会社 Heat exchanger with receiver

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Publication number Priority date Publication date Assignee Title
EP3855095A1 (en) * 2020-01-22 2021-07-28 Valeo Autosystemy SP. Z.O.O. A heat exchanger with horizontally positioned receiver drier
WO2021148539A1 (en) * 2020-01-22 2021-07-29 Valeo Autosystemy Sp. Z O.O. A heat exchanger with horizontally positioned receiver drier

Also Published As

Publication number Publication date
EP1741998A3 (en) 2007-08-22
EP1741998B1 (en) 2010-04-14
EP1741998A2 (en) 2007-01-10
ATE464518T1 (en) 2010-04-15
ATE362601T1 (en) 2007-06-15
EP1538407A3 (en) 2005-10-05
US6971251B2 (en) 2005-12-06
EP1538407B1 (en) 2007-05-16
US20050120739A1 (en) 2005-06-09
DE10357176A1 (en) 2005-06-30
DE502004011057D1 (en) 2010-05-27
DE502004003826D1 (en) 2007-06-28

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