EP2297539A2 - Plate cooler for fluids - Google Patents

Plate cooler for fluids

Info

Publication number
EP2297539A2
EP2297539A2 EP09756943A EP09756943A EP2297539A2 EP 2297539 A2 EP2297539 A2 EP 2297539A2 EP 09756943 A EP09756943 A EP 09756943A EP 09756943 A EP09756943 A EP 09756943A EP 2297539 A2 EP2297539 A2 EP 2297539A2
Authority
EP
European Patent Office
Prior art keywords
plate
distribution box
box
channels
collecting box
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
EP09756943A
Other languages
German (de)
French (fr)
Other versions
EP2297539B1 (en
Inventor
Philipp Pustelnik
Thomas Euler-Rolle
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.)
Alpver Vermoegens- und Liegen- Schaftsverwaltungs
Euler-Rolle Thomas
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2297539A2 publication Critical patent/EP2297539A2/en
Application granted granted Critical
Publication of EP2297539B1 publication Critical patent/EP2297539B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • 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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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
    • F28D2021/0049—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for lubricants, e.g. oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0292—Other particular headers or end plates with fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06—Derivation channels, e.g. bypass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels

Definitions

  • the invention relates to a plate cooler for liquids, in particular hydraulic oil, with a parallelepipedi-see package of spaced, fluid channels forming plate bodies, between adjacent plate bodies air channels are interposed and the plate body end side with fluid channels in a distribution box and a collecting box in connection, the provided with liquid supply and -ableitonne.
  • bypass flow by bypass channels are provided in the package parallel to the liquid channels between the distribution box and the collecting box and provided on the liquid inlet side distribution box in the Bypass channels are equipped with a valve that allows the connection between the distribution channel and the bypass channels in the cold state. It is also known in a hydraulic oil air cooler to form the outgoing from the distribution box, opening into the collection box hydraulic oil lines through plate-shaped extruded hollow section.
  • extruded profiles are provided with integrally molded inner ribs.
  • the cooling surface for the hydraulic oil is increased and thus increases the cooling capacity.
  • the extruded profiles have a multi-chamber cross section.
  • the plate-shaped extruded profiles are soldered in the end of the known construction in openings of the distribution box and the collecting box, which, although an economical manufacturing process, but a soldering in the Va- Kuum or under inert gas (CAB) is required, which is relatively expensive.
  • CAB Va- Kuum or under inert gas
  • the invention aims to provide a plate cooler which can be easily manufactured and assembled from a few basic components in order to further reduce the production and manufacturing costs and to increase the versatility of the cooler.
  • the cooler according to the invention is characterized in that the distribution box and the collecting box are each formed as an aluminum extruded profile and provided with a passageway forming the liquid channel and a ribbed body, the lateral ribs with continuous guide grooves for mounting connection elements and receiving slots for the extrusion profile has, which open via the receiving slots in a communicating with the passage channel collecting space of the rib body, which communicates with the passage channel.
  • the receiving slots for the plate body in the distribution box and in the collecting box are circular-arc and conical and connected the inserted plate body with these preferably liquid-tight manner in a low-temperature process.
  • the one end of the distribution box and the collecting box is beveled to receive adapter bodies for piping connections.
  • FIG. 1 shows a view of a plate cooler according to the invention
  • FIG. 2 shows a left side view of the cooler according to FIG. 1
  • FIG. 3 shows a right side view of the cooler according to FIG. 1
  • FIG. 4 shows a detailed detail from FIG. 1 in an enlarged view
  • FIG. 5 shows a section according to the FIG. never VV in Fig. 3
  • Fig. 6 is a section along the line VI-VI in Fig. 1
  • Fig. 7 is a view of the distributor
  • Fig. 8 is a section along the line VIII-VIII in Fig. 7
  • Fig. 9 10 is a sectional view along line XX in FIG. 9,
  • FIG. 11 is an analogous section to that of FIG.
  • FIG. 12 is a perspective view of a part of the cooler prior to assembly
  • FIGS. 13-18 show various adapter connections in partial perspective views.
  • the illustrated in Fig. 1 embodiment relates to a hydraulic oil cooler, which has a package of parallel plate bodies 1 and air channels 2 disposed therebetween air fins 2 ', which are flowed through in the example shown from top to bottom and end of a distribution box 3, starting in a collection box 3 'ends.
  • the distribution box 3 and the collecting box 3 ' are formed substantially the same.
  • the plate bodies 1 are formed as extruded aluminum profiles (eg, according to the patent AT 402 235) and held in through slots 5 of the junction box 3 and header box 3 ', as shown in FIG. 12, for example.
  • the rib body includes on opposite sides guide grooves 8 for receiving mounting elements, such as nuts 12 for (not shown) bolts for securing the radiator or the fan unit to a vehicle, a machine od. like.
  • the plate body 1 are each in an associated with the oil passage 6 communicating arched oil collecting space 3 'of the junction box 3 and the collecting tank 3 1.
  • the air fins 2' of a Distanzhait ceremonies each engage nose fins 3 '' of the distribution lerkastens 3 and the collecting box 3 '.
  • one end of the distributor box 3 or of the collecting box 3 ' is beveled, for example, at 45 ° in order to accommodate adapter bodies F shown in FIGS. 13-18 for pipe connections (not shown).
  • the other end is closed with a screw plug 9, as shown in FIG. 3.
  • the receiving slots 5 for the plate body 1 are, as shown particularly in FIG. 12, in the distribution box 3 and in the collection box 3 'circular arc and conical.
  • the joining method for the oil-tight connection can be a low-temperature bonding method ( ⁇ 300 0 C), which does not require application of a protective gas or vacuum atmosphere.
  • the inserted into the receiving slots 5 plate body 1 can also be soldered to the slots. 1 and 5, the oil cooler is equipped with known bypass channels 10, wherein in the distribution box 3 via an end-side internal thread 13, a valve 11 is screwed (eg according to AT 414 042).
  • the valve closure body of the valve 11 may be biased by a spring in the closed position, preferably up to a pressure difference of 2-3 bar (opening pressure).
  • This embodiment advantageously allows that in normal operation, when the oil is warm and the pressure loss across the plate body 1 is small ( ⁇ 2 bar), the bypass is closed and the entire amount of oil flows over the plate body 1. If, in cold operation, the pressure loss in the plate bodies 1> 2-3 bar, the bypass valve 11 opens and allows the direct connection between the distribution box 3 and the collecting box 3 'via the bypass channels 10.
  • the adapter body F for pipe connections at the oblique front end of the junction box 3 and the collecting tank 3 ' can be fixed without complex welding with different orientation, whereby all in practice occurring connection conditions can be taken into account.
  • the cooler can be flowed through both U-shaped and diagonally, as indicated for example by the arrows P. It is understood that the invention is not limited to the illustrated embodiments, these may be rather variously modified, for example, as regards the formation of the extruded plate body and their connection to the distribution box or collection box.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

A plate cooler for fluids, particularly hydraulic oil, comprising a parallelepiped assembly of plate bodies (1) that are disposed at a distance from each other and form fluid channels, wherein air channels (2) are interposed between adjoining plate bodies and the plate bodies at the ends are connected to fluid channels (6) in a distribution box and a collection box, which are provided with inflow and discharge lines, and wherein the distribution box (3) and the collection box (3') are each designed as aluminum extruded profiles having through-channels that form the fluid channels and a rib body (7), which has receiving slots (5) for the extruded profile plate body, said slots flowing into a collection chamber (3") that is provided between the fluid channel and the front of the plate bodies and connected to the through-channel.

Description

Plattenkühler für Flüssigkeiten Plate cooler for liquids

Die Erfindung betrifft einen Plattenkühler für Flüssigkeiten, insbesondere Hydrauliköl, mit einem parallelepipedi- sehen Paket aus beabstandeten, Flüssigkeitskanäle bildenden Plattenkörpern, wobei zwischen benachbarten Plattenkörpern Luftkanäle zwischengeschaltet sind und die Plattenkörper end- seitig mit Flüssigkeitskanälen in einem Verteilerkasten und einem Sammelkasten in Verbindung stehen, die mit Flüssigkeits- zu- und -ableitungen versehen sind.The invention relates to a plate cooler for liquids, in particular hydraulic oil, with a parallelepipedi-see package of spaced, fluid channels forming plate bodies, between adjacent plate bodies air channels are interposed and the plate body end side with fluid channels in a distribution box and a collecting box in connection, the provided with liquid supply and -ableitungen.

Es ist bereits bekannt, bei einem Plattenkühler der einleitend angegebenen Art im Kaltzustand eine Bypass-Strömung zu ermöglichen, indem in dem Paket parallel zu den Flüssigkeitskanälen Bypass-Kanäle zwischen dem Verteilerkasten und dem Sammelkasten vorgesehen werden und der auf der Flüssigkeitszulaufseite vorgesehene Verteilerkasten im Bereich der Bypass- Kanäle mit einem Ventil ausgestattet ist, das die Verbindung zwischen dem Verteilerkanal und den Bypass-Kanälen im Kaltzustand gestattet . Es ist ferner bei einem Hydrauliköl -Luftkühler bekannt, die vom Verteilerkasten ausgehenden, in den Sammelkasten mündenden Hydraulikölleitungen durch plattenförmige Strangpreßprofile mit Hohlquerschnitt zu bilden.It is already known to allow for a plate cooler of the type mentioned in the cold state, a bypass flow by bypass channels are provided in the package parallel to the liquid channels between the distribution box and the collecting box and provided on the liquid inlet side distribution box in the Bypass channels are equipped with a valve that allows the connection between the distribution channel and the bypass channels in the cold state. It is also known in a hydraulic oil air cooler to form the outgoing from the distribution box, opening into the collection box hydraulic oil lines through plate-shaped extruded hollow section.

Eine weitere bekannte Ausführungsform besteht darin, daß die Strangpreßprofile mit einstückig angeformten Innenrippen versehen sind. Auf diese Weise wird die KühlOberfläche für das Hydrauliköl vergrößert und damit die Kühlleistung erhöht. Aus denselben Gründen ist es besonders vorteilhaft, wenn die Strangpreßprofile Mehrkammerquerschnitt aufweisen. Die plattenförmigen Strangpreßprofile werden bei der bekannten Konstruktion endseitig in Öffnungen des Verteilerkastens und des Sammelkastens eingelötet, was zwar ein ökonomisches Fertigungsverfahren darstellt, jedoch eine Lötung im Va- kuum oder unter Schutzgas (CAB) erforderlich macht, die relativ aufwendig ist.Another known embodiment is that the extruded profiles are provided with integrally molded inner ribs. In this way, the cooling surface for the hydraulic oil is increased and thus increases the cooling capacity. For the same reasons, it is particularly advantageous if the extruded profiles have a multi-chamber cross section. The plate-shaped extruded profiles are soldered in the end of the known construction in openings of the distribution box and the collecting box, which, although an economical manufacturing process, but a soldering in the Va- Kuum or under inert gas (CAB) is required, which is relatively expensive.

Die Erfindung zielt darauf ab, einen Plattenkühler zu schaffen, der auf einfache Weise aus wenigen Grundbestandtei- len hergestellt und zusammengebaut werden kann, um die Produktions- und die Herstellungskosten weiter zu verringern und die Einsatzmöglichkeiten des Kühlers zu erhöhen.The invention aims to provide a plate cooler which can be easily manufactured and assembled from a few basic components in order to further reduce the production and manufacturing costs and to increase the versatility of the cooler.

Der erfindungsgemäße Kühler zeichnet sich dadurch aus, daß der Verteilerkasten und der Sammelkasten jeweils als AIu- minium-Strangpreßprofil ausgebildet und mit einem den Flüssigkeitskanal bildenden Durchgangskanal sowie einem Rippenkörper versehen sind, der seitliche Rippen mit durchgehenden Führungsnuten für Montageanschlußelemente und Aufnahmeschlitze für die Strangpreßprofil -Plattenkörper aufweist, die über die Aufnahmeschlitze in einen mit dem Durchgangskanal in Verbindung stehenden Sammelraum des Rippenkörpers münden, der mit dem Durchgangskanal in Verbindung steht .The cooler according to the invention is characterized in that the distribution box and the collecting box are each formed as an aluminum extruded profile and provided with a passageway forming the liquid channel and a ribbed body, the lateral ribs with continuous guide grooves for mounting connection elements and receiving slots for the extrusion profile has, which open via the receiving slots in a communicating with the passage channel collecting space of the rib body, which communicates with the passage channel.

Vorzugsweise sind die Aufnahmeschlitze für die Plattenkörper im Verteilerkasten und im Sammelkasten kreisbogenförmig und konisch ausgebildet und die eingesteckten Plattenkörper mit diesen vorzugsweise in einem Niedrigtemperaturverfahren flüssigkeitsdicht verbunden.Preferably, the receiving slots for the plate body in the distribution box and in the collecting box are circular-arc and conical and connected the inserted plate body with these preferably liquid-tight manner in a low-temperature process.

Gemäß einer anderen Ausführungsform der Erfindung ist das eine Ende des Verteilerkastens und des Sammelkastens abge- schrägt, um Adapterkörper für Rohrleitungsanschlüsse aufzunehmen.According to another embodiment of the invention, the one end of the distribution box and the collecting box is beveled to receive adapter bodies for piping connections.

Weitere Merkmale der Erfindung werden nachfolgend an einem Ausführungsbeispiel unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen: Fig. 1 eine Ansicht eines Platten- kühlers gemäß der Erfindung, Fig. 2 eine linke Seitenansicht des Kühlers nach Fig. 1, Fig. 3 eine rechte Seitenansicht des Kühlers nach Fig. 1, Fig. 4 einen Detailausschnitt aus Fig. 1 in vergrößerter Darstellung, Fig. 5 einen Schnitt nach der Li- nie V-V in Fig. 3, Fig. 6 einen Schnitt nach der Linie VI-VI in Fig. 1, Fig. 7 eine Ansicht des Verteilers, Fig. 8 einen Schnitt nach der Linie VIII-VIII in Fig. 7, Fig. 9 eine Stirnansicht zu Fig. 7, Fig. 10 einen Schnitt nach der Linie X-X in Fig. 9, Fig. 11 einen analogen Schnitt wie Fig. 10, jedoch mit Ölrohren, Fig. 12 eine perspektivische Darstellung eines Teiles des Kühlers vor dem Zusammenbau, und die Fig. 13-18 verschiedene Adapteranschlüsse in perspektivischen Teildarstellungen . Das in Fig. 1 dargestellte Ausführungsbeispiel bezieht sich auf einen Hydraulikölkühler, der ein Paket von parallelen Plattenkörpern 1 und dazwischen angeordneten Luftkanälen 2 aus Luftlamellen 2' aufweist, die bei dem gezeigten Beispiel von oben nach unten durchströmt werden und endseitig von einem Verteilerkasten 3 ausgehend in einem Sammelkasten 3' enden. Der Verteilerkasten 3 und der Sammelkasten 3' sind im wesentlichen gleich ausgebildet. Die Plattenkörper 1 sind als Aluminium-Strangpreßprofile ausgebildet (z.B. gemäß dem Patent AT 402 235) und in Durchgangsschlitzen 5 des Verteilerkastens 3 und Sammelkastens 3' gehalten, wie z.B. Fig. 12 zeigt.Further features of the invention are explained below using an exemplary embodiment with reference to the drawings. 1 shows a view of a plate cooler according to the invention, FIG. 2 shows a left side view of the cooler according to FIG. 1, FIG. 3 shows a right side view of the cooler according to FIG. 1, FIG. 4 shows a detailed detail from FIG. 1 in an enlarged view, FIG. 5 shows a section according to the FIG. never VV in Fig. 3, Fig. 6 is a section along the line VI-VI in Fig. 1, Fig. 7 is a view of the distributor, Fig. 8 is a section along the line VIII-VIII in Fig. 7, Fig. 9 10 is a sectional view along line XX in FIG. 9, FIG. 11 is an analogous section to that of FIG. 10, but with oil pipes, FIG. 12 is a perspective view of a part of the cooler prior to assembly, and FIGS. 13-18 show various adapter connections in partial perspective views. The illustrated in Fig. 1 embodiment relates to a hydraulic oil cooler, which has a package of parallel plate bodies 1 and air channels 2 disposed therebetween air fins 2 ', which are flowed through in the example shown from top to bottom and end of a distribution box 3, starting in a collection box 3 'ends. The distribution box 3 and the collecting box 3 'are formed substantially the same. The plate bodies 1 are formed as extruded aluminum profiles (eg, according to the patent AT 402 235) and held in through slots 5 of the junction box 3 and header box 3 ', as shown in FIG. 12, for example.

Der Verteilerkasten 3 und der Sammelkasten 3 ' bestehen jeweils ebenfalls aus einem Aluminium-Strangpreßprofil, welches mit einem Ölkanal 6 und einem Rippenkörper 7 ausgestattet ist. Der Rippenkörper enthält auf einander gegenüberliegenden Seiten Führungsnuten 8 zur Aufnahme von Montageelementen, wie Muttern 12 für (nicht gezeigte) Bolzen zum Befestigen des Kühlers bzw. der Lüftereinheit an einem Fahrzeug, einer Maschine od . dgl .The distribution box 3 and the collection box 3 'each also consist of an aluminum extruded profile, which is equipped with an oil passage 6 and a rib body 7. The rib body includes on opposite sides guide grooves 8 for receiving mounting elements, such as nuts 12 for (not shown) bolts for securing the radiator or the fan unit to a vehicle, a machine od. like.

Wie z.B. aus Fig. 4 hervorgeht, münden die Plattenkörper 1 jeweils in einen mit dem zugeordneten Ölkanal 6 in Verbindung stehenden gewölbten Ölsammelraum 3" des Verteilerkastens 3 bzw. des Sammelkastens 31. Die Luftlamellen 2' einer Distanzhaiterung greifen jeweils an Nasenrippen 3'" des Vertei- lerkastens 3 bzw. des Sammelkastens 3' an. Jeweils ein Ende des Verteilerkastens 3 bzw. des Sammelkastens 3' ist z.B. unter 45° abgeschrägt, um in den Fig. 13-18 gezeigte Adapterkörper F für (nicht gezeigte) Rohrleitungsanschlüsse aufzunehmen. Das jeweils andere Ende ist mit einer Verschlußschraube 9 verschlossen, wie Fig. 3 zeigt.As can be seen for example from Fig. 4, open the plate body 1 are each in an associated with the oil passage 6 communicating arched oil collecting space 3 'of the junction box 3 and the collecting tank 3 1. The air fins 2' of a Distanzhaiterung each engage nose fins 3 '' of the distribution lerkastens 3 and the collecting box 3 '. In each case one end of the distributor box 3 or of the collecting box 3 'is beveled, for example, at 45 ° in order to accommodate adapter bodies F shown in FIGS. 13-18 for pipe connections (not shown). The other end is closed with a screw plug 9, as shown in FIG. 3.

Die Aufnahmeschlitze 5 für die Plattenkörper 1 sind, wie insbesondere Fig. 12 zeigt, im Verteilerkasten 3 und im Sammelkasten 3 ' kreisbogenförmig und konisch ausgebildet . Das Fügeverfahren zur öldichten Verbindung kann ein Niedrigtemperatur-Klebeverfahren (< 3000C) sein, welches keine Anwendung einer Schutzgas- oder Vakuumatmosphäre erfordert. Im Rahmen der Erfindung können die in die Aufnahmeschlitze 5 eingesteckten Plattenkörper 1 auch mit den Schlitzen verlötet werden. Gemäß den Fig. 1 und 5 ist der Ölkühler mit an sich bekannten Bypass-Kanälen 10 ausgestattet, wobei in den Verteilerkasten 3 über ein endseitiges Innengewinde 13 ein Ventil 11 eingeschraubt ist (z.B. gemäß AT 414 042) . Der Ventilverschlußkörper des Ventils 11 kann durch eine Feder in die Schließstellung vorgespannt sein, vorzugsweise bis zu einer Druckdifferenz von 2-3 bar (Öffnungsdruck) . Diese Ausführung ermöglicht vorteilhaft, daß im Normalbetrieb, wenn das Öl warm und der Druckverlust über die Plattenkörper 1 klein (< 2 bar) ist, der Bypass verschlossen ist und die gesamte Ölmenge über die Plattenkörper 1 strömt. Ist im Kaltbetrieb der Druckverlust in den Plattenkörpern 1 > 2-3 bar, so öffnet das Bypass- Ventil 11 und ermöglicht die direkte Verbindung zwischen dem Verteilerkasten 3 und dem Sammelkasten 3 ' über die Bypass-Ka- näle 10. Wie die Fig. 13-18 zeigen, kann der Adapterkörper F für Rohrleitungsanschlüsse am schrägen Stirnende des Verteilerkastens 3 bzw. Sammelkastens 3 ' ohne aufwendiges Schweißen mit unterschiedlicher Orientierung befestigt werden, wodurch allen in der Praxis vorkommenden Anschlußverhältnissen Rechnung getragen werden kann. Erfindungsgemäß kann der Kühler sowohl U-förmig als auch diagonal durchflössen werden, wie beispielsweise durch die Pfeile P angedeutet. Es versteht sich, daß die Erfindung nicht auf die dargestellten Ausführungsbeispiele beschränkt ist, diese vielmehr verschiedentlich abgewandelt werden können, z.B. was die Ausbildung der stranggepreßten Plattenkörper und deren Verbindung mit dem Verteilerkasten bzw. Sammelkasten betrifft. The receiving slots 5 for the plate body 1 are, as shown particularly in FIG. 12, in the distribution box 3 and in the collection box 3 'circular arc and conical. The joining method for the oil-tight connection can be a low-temperature bonding method (<300 0 C), which does not require application of a protective gas or vacuum atmosphere. In the invention, the inserted into the receiving slots 5 plate body 1 can also be soldered to the slots. 1 and 5, the oil cooler is equipped with known bypass channels 10, wherein in the distribution box 3 via an end-side internal thread 13, a valve 11 is screwed (eg according to AT 414 042). The valve closure body of the valve 11 may be biased by a spring in the closed position, preferably up to a pressure difference of 2-3 bar (opening pressure). This embodiment advantageously allows that in normal operation, when the oil is warm and the pressure loss across the plate body 1 is small (<2 bar), the bypass is closed and the entire amount of oil flows over the plate body 1. If, in cold operation, the pressure loss in the plate bodies 1> 2-3 bar, the bypass valve 11 opens and allows the direct connection between the distribution box 3 and the collecting box 3 'via the bypass channels 10. Like FIGS 18 show, the adapter body F for pipe connections at the oblique front end of the junction box 3 and the collecting tank 3 'can be fixed without complex welding with different orientation, whereby all in practice occurring connection conditions can be taken into account. According to the invention, the cooler can be flowed through both U-shaped and diagonally, as indicated for example by the arrows P. It is understood that the invention is not limited to the illustrated embodiments, these may be rather variously modified, for example, as regards the formation of the extruded plate body and their connection to the distribution box or collection box.

Claims

Ansprüche : Claims : 1. Plattenkühler für Flüssigkeiten, insbesondere Hy- drauliköl, mit einem parallelepipedischen Paket aus beabstan- deten, Flüssigkeitskanäle (6) bildenden Plattenkörpern (1) , wobei zwischen benachbarten Plattenkörpern (1) Luftkanäle (2) zwischengeschaltet sind und die Plattenkörper (1) endseitig mit Flüssigkeitskanälen (6) in einem Verteilerkasten (3) und einem Sammelkasten (3 ' ) in Verbindung stehen, die mit Zu- und Ableitungen versehen sind, dadurch gekennzeichnet, daß der Verteilerkasten (3) und der Sammelkasten (31) jeweils als Aluminium-Strangpreßprofil ausgebildet und mit einem den Flüssigkeitskanal (6) bildenden Durchgangskanal sowie einem Rippenkörper (7) versehen sind, der seitliche Rippen mit durchgehen- den Führungsnuten (8) für Montageanschlußelemente und Aufnahmeschlitze (5) für die Strangpreßprofil -Plattenkörper (1) aufweist, die über die Aufnahmeschlitze (5) in einen mit dem Durchgangskanal (6) in Verbindung stehenden Sammelraum (3") des Rippenkörpers (7) münden, der mit dem Durchgangskanal (6) in Verbindung steht.1. Plate cooler for liquids, in particular hydraulic oil, with a parallelepipedic packet of spaced-apart, liquid channels (6) forming plate bodies (1), wherein between adjacent plate bodies (1) air channels (2) are interposed and the plate body (1) end with liquid channels (6) in a distribution box (3) and a collecting box (3 ') are in communication, which are provided with inlets and outlets, characterized in that the distribution box (3) and the collecting box (3 1 ) each as aluminum -Strangpreßprofil formed and with a the liquid channel (6) forming the passageway and a rib body (7) are provided, the lateral ribs with durchgeh- the guide grooves (8) for mounting connection elements and receiving slots (5) for the extruded profile plate body (1), via the receiving slots (5) in a with the passageway (6) communicating collecting space (3 ") of the rib nkörpers (7) open, which is in communication with the passageway (6). 2. Plattenkühler nach Anspruch 1, dadurch gekennzeichnet, daß die durchgehenden Aufnahmeschlitze (5) für die Plattenkörper (1) im Verteilerkasten (3) und im Sammelkasten (3 ' ) kreisbogenförmig und konisch ausgebildet und die eingesteckten Plattenkörper (1) mit diesen vorzugsweise in einem Niedrigtemperaturverfahren flüssigkeitsdicht verbunden sind.2. Plate cooler according to claim 1, characterized in that the continuous receiving slots (5) for the plate body (1) in the distribution box (3) and in the collecting box (3 ') circular arc and conical and the inserted plate body (1) with these preferably in a low-temperature process are connected liquid-tight. 3. Plattenkühler nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das eine Ende des Verteilerkastens (3) und des Sammelkastens (3 ' ) abgeschrägt ist, um Adapterkörper (F) für Rohrleitungsanschlüsse mit unterschiedlicher Orientierung aufzunehmen . 3. Plate cooler according to claim 1 or 2, characterized in that the one end of the distribution box (3) and the collecting box (3 ') is chamfered to receive adapter body (F) for pipe connections with different orientation. 4. Plattenkühler nach einem der Ansprüche 1 bis 3 , dadurch gekennzeichnet, daß in dem Durchgangskanal (5) des Verteilerkastens (3) und des Sammelkastens (3') endseitig Gewinde (12) zum Befestigen von Funktionselementen, vorzugsweise Ven- tilen (11) für Bypaßkanäle ausgebildet sind.4. plate cooler according to one of claims 1 to 3, characterized in that in the passage channel (5) of the distribution box (3) and the collecting box (3 ') end thread (12) for attaching functional elements, preferably valves (11) are designed for bypass channels. 5. Plattenkühler nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Rippenkörper (7) im Bereich der Luftkanäle (2) mit Distanzrippen (3 '") für Luftlamellen (2 ' ) versehen ist . 5. plate cooler according to one of claims 1 to 4, characterized in that the rib body (7) in the region of the air ducts (2) with spacer ribs (3 '") for air blades (2') is provided.
EP09756943.8A 2008-06-03 2009-05-15 Plate cooler for fluids Active EP2297539B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0089108A AT506309B1 (en) 2008-06-03 2008-06-03 PLATE COOLER FOR LIQUIDS
PCT/AT2009/000201 WO2009146474A2 (en) 2008-06-03 2009-05-15 Plate cooler for fluids

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EP2297539A2 true EP2297539A2 (en) 2011-03-23
EP2297539B1 EP2297539B1 (en) 2019-07-17

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US (1) US9587887B2 (en)
EP (1) EP2297539B1 (en)
CN (1) CN102066867B (en)
AT (1) AT506309B1 (en)
WO (1) WO2009146474A2 (en)

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Also Published As

Publication number Publication date
WO2009146474A2 (en) 2009-12-10
EP2297539B1 (en) 2019-07-17
US20110139418A1 (en) 2011-06-16
WO2009146474A3 (en) 2010-04-22
CN102066867A (en) 2011-05-18
CN102066867B (en) 2013-01-02
AT506309A4 (en) 2009-08-15
US9587887B2 (en) 2017-03-07
AT506309B1 (en) 2009-08-15

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