EP0867670A2 - Insert for a receiver section of a condenser - Google Patents

Insert for a receiver section of a condenser Download PDF

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Publication number
EP0867670A2
EP0867670A2 EP98103323A EP98103323A EP0867670A2 EP 0867670 A2 EP0867670 A2 EP 0867670A2 EP 98103323 A EP98103323 A EP 98103323A EP 98103323 A EP98103323 A EP 98103323A EP 0867670 A2 EP0867670 A2 EP 0867670A2
Authority
EP
European Patent Office
Prior art keywords
dryer cartridge
collector profile
face
flow section
collector
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
EP98103323A
Other languages
German (de)
French (fr)
Other versions
EP0867670B1 (en
EP0867670A3 (en
Inventor
Hagen Dipl.-Ing. Mittelstrass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP0867670A2 publication Critical patent/EP0867670A2/en
Publication of EP0867670A3 publication Critical patent/EP0867670A3/en
Application granted granted Critical
Publication of EP0867670B1 publication Critical patent/EP0867670B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • 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
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • F25B2400/162—Receivers characterised by the plug or stop

Definitions

  • the invention relates to an insert for a collector profile a condenser of an air conditioning system of a motor vehicle one in the collector profile axially from one end - related to a longitudinal axis of the collector profile - usable and positionable in a flow section of the collector profile Dryer cartridge, as well as a cover for closing one end of the collector profile.
  • DE 44 21 834 A1 is a collector profile of a capacitor known an air conditioning system of a motor vehicle that closed a lower end by means of a bottom is.
  • the collector profile In a flow section assigned to the lower end face the collector profile is an inlet opening as well a return opening for the refrigerant to be dried Capacitor provided.
  • this lower section is also a dryer cartridge arranged by an annular flange the forced control of the refrigerant from the inlet opening through the dryer cartridge and to the return opening causes.
  • the dryer cartridge is in the bottom section of the collector profile with a dryer cartridge latched spacer rod held by the collector profile through to an upper face of the collector profile guided and there by means of a sealing cover is axially fixed.
  • the cover is by means of appropriate Thread on the cap on the one hand and on the top Front of the collector profile on the other hand on this upper end of the collector profile can be screwed on and locked thus the inside of the collector's profile.
  • the object of the invention is to use the aforementioned Art to create, whose dryer cartridge with simplified Funds is manageable and interchangeable.
  • the dryer cartridge by means of releasable connecting means on the closure lid can be determined, and that the closure cover on the flow section end face assigned to the collector profile is attachable.
  • the Dryer cartridge in a simple manner from the flow section assigned end face of the collector profile exchanged forth will.
  • This end face is arranged in a standing position Capacitor and accordingly positioned vertically Collector profile the lower end so that the dryer cartridge is easily replaceable from below.
  • the dryer cartridge is directly on the cover is fixed, an additional distance rod is no longer needed. Because of the need for the spacer bar omitted, results in the collector profile designed as a container a larger storage volume, which means that a filling valve, a pressure sensor or a sight glass can be attached. Because the dryer cartridge is detachably attached to the cover is, in a service case, can only in a simple manner the dryer cartridge can be replaced without the Closure cover must be replaced with. The cap is therefore reusable.
  • the releasable connecting means Locking elements on the dryer cartridge or are provided on the closure cover, and there are corresponding Rest areas provided - as a counterpart to the locking elements - the cover or the dryer cartridge assigned.
  • the so created, form-fitting Snap connection enables a particularly simple assembly and Disassembly of the dryer cartridge on the cover. If both the dryer cartridge and the cap as Plastic components are designed, the locking elements and locking points can be integrally formed in a simple manner.
  • a further embodiment of the invention is the releasable Lanyard opposite side of the dryer cartridge with a shot to set yourself up for the Flow section opposite end face of the collector profile supporting spacers. This allows the Dryer cartridge alternatively also used in known systems where they are from above in the collector's profile is inserted.
  • the dryer cartridge with a radially outwardly projecting ring flange Separation of an inlet and a return area in the Provide flow section of the collector profile, and that Collector profile has a ring shoulder for axial support of the Ring flange in the assembled position of the dryer cartridge on.
  • the ring flange also experiences a radial seal axial sealing through the axial support on the ring shoulder. This results in an improved sealing effect between the inlet and the return area for the refrigerant.
  • a condenser for an air conditioner of a motor vehicle 1 and 2 has a tubular collector profile 1 on that is laterally connected to a fins / tube block 20 and vertically aligned when the condenser is standing is.
  • the collector profile 1 is in unspecified Way via an inlet opening 21 and a return opening 22 connected to a collecting pipe of the capacitor.
  • the collector profile 1 extends over the entire height of the fins / tube block 20 and has in the embodiment 1 on its upper face 2 a bottom 3, which closes the collector profile 1 and in particular by Brazing is set in collector profile 1.
  • On a lower end face 4 of the collector profile 1 is the tubular Collector profile 1 closed by a cover 5, by closing the cap 5 in the lower end face 4 the collector profile 1 is screwed.
  • the closure lid has 5 an external thread 18, which in a corresponding Internal thread 19 of the lower end face 4 of the collector profile 1 intervenes.
  • the closure cover 5 has two axially spaced ring grooves in the O-rings can be used for sealing.
  • Half of the collector profile 1 is a dryer cartridge 6 used with a filter screen with a mesh size of preferably 0.06 to 0.1 mm.
  • the dryer cartridge 6 is tubular or sleeve-shaped and has one lattice-like openwork jacket on the inside is covered with the filter sieve 7.
  • a lower forehead of the Dryer cartridge 6 is by an unspecified Closed floor.
  • a top end of the dryer cartridge 6 is closed by a sealing piston 8, which by a compression spring 9 supported on an upper support base 10 -
  • On the longitudinal axis of the collector profile 1 and the dryer cartridge 6 related - is axially pressurized.
  • a dryer granulate filling provided by the sealing piston 8 is compactly compressed.
  • annular space is formed, which is used to guide the Refrigerant is used.
  • the annulus is in an upper one Inlet chamber 12, into which the inlet opening opens, as well as in one lower return space 13 from which the return opening branches is, by a radially outwardly projecting, annular Sealing flange 14 divided, the outer circumference supported radially on the inner wall of the collector profile 1.
  • 1 is on the inner wall of the collector profile circumferential ring paragraph 15 provided that a gradation represents a smaller inner diameter.
  • the sealing flange 14 is also supported axially.
  • the inlet space 12 is axially upward through a annular circumferential sealing shoulder 11 limited, which also protrudes radially outward from the dryer cartridge 6 and is supported radially on the inner wall of the collector profile 1.
  • the lower end of the return space 13 is through the cap 5 limited.
  • the dryer cartridge 6 has several at its lower end distributed wreath-like over the circumference of the dryer cartridge 6 Lugs 17 on the radially resiliently designed are. These locking lugs 17 represent locking elements of a locking connection represents the detachable fixing of the dryer cartridge 6 on the cover 5 is used.
  • the closure lid has 5 a circumferential, radial ring groove on its inside on, which is designed as a rest point in the form of a locking groove 16 is.
  • the locking groove 16 is on the dimensions of the locking lugs 17 tuned for safe, coaxial positioning and Fixing the dryer cartridge 6 on the sealing cap 5 achieve.
  • the closure cover 5 is axially on the locking groove 16th then designed in such a way that around the dryer cartridge 6 results in a wedge-like annular space, which in FIG. 1 is not specified.
  • This wedge-like annular space enables the attack of a tool, especially one Screwdriver to remove the dryer cartridge 6 from the cover 5 to be able to solve.
  • the closure cover 5 To insert the dryer cartridge 6 into the collector profile 1 is first the closure cover 5 in a simple manner its locking groove 16 on the locking lugs 17 of the dryer cartridge 6 clipped on, so that the dryer cartridge 6 and Cap 5 are firmly connected. Subsequently the dryer cartridge 6 from the lower end 4 forth together with the cap 5 in the collector profile 1 inserted, the sealing shoulder 11 axially on the inner wall of the collector profile 1 slides along. When screwing in of the sealing cap 5, the sealing flange 14 strikes axially on the ring shoulder 15, whereby the radial described and at the same time gives axial seal. This will make the safe separation between the inlet space 12 and the return space 13 reached so that the refrigerant is forced through the dryer cartridge 6 and thus through the dryer granulate filling to flow through.
  • the dryer cartridge 6 according to FIGS. 2 and 3 corresponds to the Dryer cartridge 6, as described with reference to FIG. 1 is.
  • the dryer cartridge 6 is from the upper end face 2 ago used in the collector profile 1.
  • the bottom is 3 fixedly arranged on the lower end face 4 of the collector profile 1, preferably soldered to the collector profile 1.
  • a retaining washer 24 of a spacer bar 23 can be released by means of a snap connection set, the spacer rod 23 coaxially from the dryer cartridge 6 protrudes upwards.
  • the holding disc 24 is in the illustrated embodiment instead of the support floor 10 as shown in FIG. 1, so that they have the support function for the compression spring 9 takes over.
  • the spacer rod 23 has protruding radially outwards about half of its length Guide elements 25, which are radially on the inner wall Support the collector profile 1 and secure centering ensure the spacer rod 23 over its length.
  • a Free end 26 of the spacer rod 23 is supported in the assembled Condition on a flat support surface 27 of the closure cover 5 from that in the embodiment according to FIG. 2 and 3 screwed into the upper end face 2 of the collector profile 1 is. This is also the top end 2 of the collector profile 1 with a corresponding internal thread.
  • the holding disc 24 of the spacer rod 23 is integral with connected to the spacer rod 23.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Drying Of Gases (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

The insert has a drier cartridge (6), which can be inserted axially into the collection stage (1) and positioned in a flow section of the collection stage. A closure cover (5) is provided for closing one end of the collection stage. The drier cartridge can be fixed to the closure cover by releasable connecting devices and the closure cover can be placed on the end (4) associated with the flow section of the collection stage. The releasable connection devices contain latching elements (17) on the cartridge or cover with corresponding latching points (16) on the cover or cartridge.

Description

Die Erfindung betrifft einen Einsatz für ein Sammlerprofil eines Kondensators einer Klimaanlage eines Kraftfahrzeugs mit einer in das Sammlerprofil von einer Stirnseite her axial - auf eine Längsachse des Sammlerprofiles bezogen - einsetzbaren und in einem Strömungsabschnitt des Sammlerprofiles positionierbaren Trocknerpatrone, sowie einem Verschlußdeckel zum Verschließen einer Stirnseite des Sammlerprofiles.The invention relates to an insert for a collector profile a condenser of an air conditioning system of a motor vehicle one in the collector profile axially from one end - related to a longitudinal axis of the collector profile - usable and positionable in a flow section of the collector profile Dryer cartridge, as well as a cover for closing one end of the collector profile.

Aus der DE 44 21 834 A1 ist ein Sammlerprofil eines Kondensators einer Klimaanlage eines Kraftfahrzeugs gekannt, das an einer unteren Stirnseite mittels eines Bodens verschlossen ist. In einem der unteren Stirnseite zugeordneten Strömungsabschnitt des Sammlerprofiles ist eine Zulauföffnung sowie eine Rucklaufoffnung für das zu trocknende Kältemittel des Kondensators vorgesehen. In diesem unteren Abschnitt ist außerdem eine Trocknerpatrone angeordnet, die durch einen Ringflansch die Zwangsführung des Kältemittels von der Zulaufoffnung durch die Trocknerpatrone hindurch und zur Rücklauföffnung bewirkt. Die Trocknerpatrone wird in dem unteren Abschnitt des Sammlerprofiles durch einen mit der Trocknerpatrone verrasteten Distanzstab gehalten, der durch das Sammlerprofil hindurch bis zu einer oberen Stirnseite des Sammlerprofiles geführt und dort mittels eines Verschlußdeckels axial fixiert ist. Der Verschlußdeckel ist mittels entsprechender Gewinde am Verschlußdeckel einerseits und an der oberen Stirnseite des Sammlerprofiles andererseits auf diese obere Stirnseite des Sammlerprofiles aufschraubbar und verschließt damit das Innere des Sammlerprofiles.DE 44 21 834 A1 is a collector profile of a capacitor known an air conditioning system of a motor vehicle that closed a lower end by means of a bottom is. In a flow section assigned to the lower end face the collector profile is an inlet opening as well a return opening for the refrigerant to be dried Capacitor provided. In this lower section is also a dryer cartridge arranged by an annular flange the forced control of the refrigerant from the inlet opening through the dryer cartridge and to the return opening causes. The dryer cartridge is in the bottom section of the collector profile with a dryer cartridge latched spacer rod held by the collector profile through to an upper face of the collector profile guided and there by means of a sealing cover is axially fixed. The cover is by means of appropriate Thread on the cap on the one hand and on the top Front of the collector profile on the other hand on this upper end of the collector profile can be screwed on and locked thus the inside of the collector's profile.

Aufgabe der Erfindung ist es, einen Einsatz der eingangs genannten Art zu schaffen, dessen Trocknerpatrone mit vereinfachten Mitteln handhabbar und austauschbar ist.The object of the invention is to use the aforementioned Art to create, whose dryer cartridge with simplified Funds is manageable and interchangeable.

Diese Aufgabe wird dadurch gelöst, daß die Trocknerpatrone mittels lösbarer Verbindungsmittel an dem Verschlußdeckel festlegbar ist, und daß der Verschlußdeckel auf die dem Strömungsabschnitt des Sammlerprofiles zugeordnete Stirnseite aufsetzbar ist. Durch die erfindungsgemäße Lösung kann die Trocknerpatrone in einfacher Weise von der dem Strömungsabschnitt zugeordneten Stirnseite des Sammlerprofiles her ausgetauscht werden. Diese Stirnseite ist bei stehend angeordnetem Kondensator und dementsprechend vertikal positioniertem Sammlerprofil die untere Stirnseite, so daß die Trocknerpatrone in einfacher Weise von unten austauschbar ist. Durch die erfindungsgemäßen Merkmale ergibt sich ein kürzerer Ein- und Ausschubweg und damit eine schnellere Montage und Demontage, so daß der Austausch der Trocknerpatrone wesentlich vereinfacht ist. Durch die Bedienung des Verschlußdeckels und der Trocknerpatrone von unten wird bei einer Montage und Demontage direkt am Kraftfahrzeug ein verbesserter Zugang geschaffen. Da die Trocknerpatrone direkt am Verschlußdeckel festgelegt ist, wird ein zusätzlicher Distanzstab nicht mehr benötigt. Dadurch, daß die Notwendigkeit des Distanzstabes entfällt, ergibt sich in dem als Behälter gestalteten Sammlerprofil ein größeres Speichervolumen, wodurch ein Füllventil, ein Drucksensor oder auch ein Schauglas anbringbar sind. Da die Trocknerpatrone lösbar am Verschlußdeckel festgelegt ist, kann bei einem Servicefall in einfacher Weise lediglich die Trocknerpatrone ausgetauscht werden, ohne daß auch der Verschlußdeckel mit ausgetauscht werden muß. Der Verschlußdeckel ist daher wiederverwendbar.This object is achieved in that the dryer cartridge by means of releasable connecting means on the closure lid can be determined, and that the closure cover on the flow section end face assigned to the collector profile is attachable. With the solution according to the invention, the Dryer cartridge in a simple manner from the flow section assigned end face of the collector profile exchanged forth will. This end face is arranged in a standing position Capacitor and accordingly positioned vertically Collector profile the lower end so that the dryer cartridge is easily replaceable from below. By the features of the invention result in a shorter on and Extension path and thus faster assembly and disassembly, so the replacement of the dryer cartridge is essential is simplified. By operating the cap and the dryer cartridge comes from below during assembly and disassembly Improved access directly to the vehicle. Because the dryer cartridge is directly on the cover is fixed, an additional distance rod is no longer needed. Because of the need for the spacer bar omitted, results in the collector profile designed as a container a larger storage volume, which means that a filling valve, a pressure sensor or a sight glass can be attached. Because the dryer cartridge is detachably attached to the cover is, in a service case, can only in a simple manner the dryer cartridge can be replaced without the Closure cover must be replaced with. The cap is therefore reusable.

In Ausgestaltung der Erfindung weisen die lösbaren Verbindungsmittel Rastelemente auf, die an der Trocknerpatrone oder an dem Verschlußdeckel vorgesehen sind, und es sind korrespondierende Raststellen vorgesehen, die - als Gegenstück zu den Rastelementen - dem Verschlußdeckel oder der Trocknerpatrone zugeordnet sind. Die so geschaffene, formschlüssige Rastverbindung ermöglicht eine besonders einfache Montage und Demontage der Trocknerpatrone am Verschlußdeckel. Falls sowohl die Trocknerpatrone als auch der Verschlußdeckel als Kunststoffbauteile gestaltet sind, können die Rastelemente und Raststellen in einfacher Weise einstückig angeformt sein.In an embodiment of the invention, the releasable connecting means Locking elements on the dryer cartridge or are provided on the closure cover, and there are corresponding Rest areas provided - as a counterpart to the locking elements - the cover or the dryer cartridge assigned. The so created, form-fitting Snap connection enables a particularly simple assembly and Disassembly of the dryer cartridge on the cover. If both the dryer cartridge and the cap as Plastic components are designed, the locking elements and locking points can be integrally formed in a simple manner.

In weiterer Ausgestaltung der Erfindung ist die den lösbaren Verbindungsmitteln gegenüberliegende Seite der Trocknerpatrone mit einer Aufnahme zur Festlegung eines sich an der dem Strömungsabschnitt gegenüberliegenden Stirnseite des Sammlerprofiles abstützenden Distanzteile versehen. Dadurch kann die Trocknerpatrone alternativ auch bei bekannten Systemen eingesetzt werden, bei denen sie von oben her in das Sammlerprofil eingeschoben wird.In a further embodiment of the invention is the releasable Lanyard opposite side of the dryer cartridge with a shot to set yourself up for the Flow section opposite end face of the collector profile supporting spacers. This allows the Dryer cartridge alternatively also used in known systems where they are from above in the collector's profile is inserted.

In weiterer Ausgestaltung der Erfindung ist die dem Strömungsabschnitt gegenüberliegende Stirnseite des Sammlerprofiles derart identisch zu der dem Strömungsabschnitt zugeordneten Stirnseite gestaltet, daß der Verschlußdeckel an beiden Stirnseiten festlegbar ist. Dadurch kann der Verschlußdeckel sowohl für eine Ausführung mit Distanzstab als auch für eine Ausführung ohne Distanzstab eingesetzt werden. Es ergibt sich somit ein modularer Aufbau des Verschlußdeckels und in Verbindung mit den zuvor beschriebenen Ausgestaltungen auch ein modularer Aufbau der Trocknerpatrone.In a further embodiment of the invention, that is the flow section opposite end of the collector profile so identical to that assigned to the flow section Front designed that the cover on both End faces can be determined. This allows the cap to be closed both for a version with a spacer rod and for one Version without spacer bar can be used. It follows thus a modular structure of the cover and in connection with the configurations described above modular structure of the dryer cartridge.

In weiterer Ausgestaltung der Erfindung ist die Trocknerpatrone mit einem radial nach außen ragenden Ringflansch zur Trennung eines Zulauf- und eines Rücklaufbereiches in dem Strömungsabschnitt des Sammlerprofiles versehen, und das Sammlerprofil weist einen Ringabsatz zur axialen Stützung des Ringflansches in der montierten Position der Trocknerpatrone auf. Neben der aus dem Stand der Technik bereits bekannten radialen Dichtung erfährt somit der Ringflansch auch eine axiale Abdichtung durch die axiale Abstützung an dem Ringabsatz. Dadurch ergibt sich eine verbesserte Dichtwirkung zwischen dem Zulauf- und dem Rücklaufbereich für das Kältemittel.In a further embodiment of the invention is the dryer cartridge with a radially outwardly projecting ring flange Separation of an inlet and a return area in the Provide flow section of the collector profile, and that Collector profile has a ring shoulder for axial support of the Ring flange in the assembled position of the dryer cartridge on. In addition to that already known from the prior art The ring flange also experiences a radial seal axial sealing through the axial support on the ring shoulder. This results in an improved sealing effect between the inlet and the return area for the refrigerant.

Weitere Vorteile und Mermkale der Erfindung ergeben sich aus den Unteransprüchen sowie aus der nachfolgenden Beschreibung von bevorzugten Ausführungsbeispielen der Erfindung, die anhand der Zeichnungen dargestellt sind.

Fig. 1
zeigt einen Längsschnitt eines Sammlerprofiles eines Kondensators für eine Klimaanlage eines Kraftfahrzeugs, das mit einer ersten Ausführungsform eines erfindungsgemäßen Einsatzes versehen ist,
Fig. 2
einen Längsschnitt durch einen Teil eines mit einem Sammlerprofil ähnlich Fig. 1 versehenen Kondensators, wobei das Sammlerprofil mit einer weiteren Ausführungsform eines erfindungsgemäßen Einsatzes versehen ist, und
Fig. 3
in einem Längsschnitt den Einsatz des Sammlerprofiles nach Fig. 2, der aus einer Trocknerpatrone und einem Distanzteil zusammengesetzt ist.
Further advantages and features of the invention emerge from the subclaims and from the following description of preferred exemplary embodiments of the invention, which are illustrated with the aid of the drawings.
Fig. 1
shows a longitudinal section of a collector profile of a condenser for an air conditioning system of a motor vehicle, which is provided with a first embodiment of an insert according to the invention,
Fig. 2
a longitudinal section through part of a capacitor provided with a collector profile similar to FIG. 1, the collector profile being provided with a further embodiment of an insert according to the invention, and
Fig. 3
in a longitudinal section, the use of the collector profile of FIG. 2, which is composed of a dryer cartridge and a spacer.

Ein Kondensator für eine Klimaanlage eines Kraftfahrzeugs weist gemäß den Fig. 1 und 2 ein rohrförmiges Sammlerprofil 1 auf, das seitlich an einen Rippen/Rohrblock 20 angeschlossen und bei stehend angeordnetem Kondensator vertikal ausgerichtet ist. Dabei ist das Sammlerprofil 1 in nicht näher bezeichneter Weise über eine Zulauföffnung 21 und eine Rücklauföffnung 22 mit einem Sammelrohr des Kondensators verbunden. Das Sammlerprofil 1 erstreckt sich über die gesamte Höhe des Rippen/Rohrblockes 20 und weist beim Ausführungsbeispiel nach Fig. 1 an seiner oberen Stirnseite 2 einen Boden 3 auf, der das Sammlerprofil 1 verschließt und insbesondere durch Hartlöten in dem Sammlerprofil 1 festgelegt ist. Auf einer unteren Stirnseite 4 des Sammlerprofiles 1 ist das rohrförmige Sammlerprofil 1 durch einen Verschlußdeckel 5 verschlossen, indem der Verschlußdeckel 5 in die untere Stirnseite 4 des Sammlerprofiles 1 eingeschraubt ist. Dazu weist der Verschlußdeckel 5 ein Außengewinde 18 auf, das in ein korrespondierendes Innengewinde 19 der unteren Stirnseite 4 des Sammlerprofiles 1 eingreift. Der Verschlußdeckel 5 weist zwei axial zueinander beabstandete Ringnuten auf, in die O-Ringe zur Abdichtung einsetzbar sind.A condenser for an air conditioner of a motor vehicle 1 and 2 has a tubular collector profile 1 on that is laterally connected to a fins / tube block 20 and vertically aligned when the condenser is standing is. The collector profile 1 is in unspecified Way via an inlet opening 21 and a return opening 22 connected to a collecting pipe of the capacitor. The collector profile 1 extends over the entire height of the fins / tube block 20 and has in the embodiment 1 on its upper face 2 a bottom 3, which closes the collector profile 1 and in particular by Brazing is set in collector profile 1. On a lower end face 4 of the collector profile 1 is the tubular Collector profile 1 closed by a cover 5, by closing the cap 5 in the lower end face 4 the collector profile 1 is screwed. For this purpose, the closure lid has 5 an external thread 18, which in a corresponding Internal thread 19 of the lower end face 4 of the collector profile 1 intervenes. The closure cover 5 has two axially spaced ring grooves in the O-rings can be used for sealing.

Zur Trocknung des Kältemittels ist in eine untere, durch die Zulauf- und die Rücklauföffnung als Strömungsabschnitt gestaltete Hälfte des Sammlerprofiles 1 eine Trocknerpatrone 6 eingesetzt, die mit einem Filtersieb mit einer Maschenweite von vorzugsweise 0,06 bis 0,1 mm versehen ist. Die Trocknerpatrone 6 ist rohr- oder hülsenförmig gestaltet und weist einen gitterartig durchbrochenen Mantel auf, dessen Innenseite mit dem Filtersieb 7 belegt ist. Ein unteres Stirnende der Trocknerpatrone 6 ist durch einen nicht näher bezeichneten Boden verschlossen. Ein oberes Stirnende der Trocknerpatrone 6 ist durch einen Dichtkolben 8 verschlossen, der durch eine sich an einem oberen Stützboden 10 abstützende Druckfeder 9 - auf die Längsachse des Sammlerprofiles 1 und der Trocknerpatrone 6 bezogen - axial druckbeaufschlagt ist. In der Trocknerpatrone 6 und auch innerhalb des Filtersiebes 7 ist eine Trocknergranulatfüllung vorgesehen, die durch den Dichtkolben 8 kompakt zusammengedrückt ist. Zwischen dem Außenmantel der Trocknerpatrone 6 und der Innenwandung des Sammlerprofiles 1 wird ein Ringraum gebildet, der zur Führung des Kältemittels dient. Dabei ist der Ringraum in einen oberen Zulaufraum 12, in den die Zulauföffnung mündet, sowie in einen unteren Rücklaufraum 13, aus dem die Rücklauföffnung abgezweigt ist, durch einen radial nach außen ragenden, ringförmigen Dichtflansch 14 unterteilt, dessen Außenumfang sich radial an der Innenwandung des Sammlerprofiles 1 abstützt. Zusätzlich ist an der Innenwandung des Sammlerprofiles 1 ein umlaufender Ringabsatz 15 vorgesehen, der eine Abstufung auf einen geringeren Innendurchmesser darstellt. An diesem Ringabsatz 15 stützt sich der Dichtflansch 14 zusätzlich auch axial ab. Der Zulaufraum 12 wird nach oben axial durch eine ringförmig umlaufende Dichtschulter 11 begrenzt, die ebenfalls von der Trocknerpatrone 6 aus radial nach außen abragt und sich an der Innenwandung des Sammlerprofiles 1 radial abstützt. Das untere Stirnende des Rücklaufraumes 13 wird durch den Verschlußdeckel 5 begrenzt.To dry the refrigerant is in a lower through which Inlet and the return opening designed as a flow section Half of the collector profile 1 is a dryer cartridge 6 used with a filter screen with a mesh size of preferably 0.06 to 0.1 mm. The dryer cartridge 6 is tubular or sleeve-shaped and has one lattice-like openwork jacket on the inside is covered with the filter sieve 7. A lower forehead of the Dryer cartridge 6 is by an unspecified Closed floor. A top end of the dryer cartridge 6 is closed by a sealing piston 8, which by a compression spring 9 supported on an upper support base 10 - On the longitudinal axis of the collector profile 1 and the dryer cartridge 6 related - is axially pressurized. In the Dryer cartridge 6 and also within the filter screen 7 a dryer granulate filling provided by the sealing piston 8 is compactly compressed. Between the outer jacket the dryer cartridge 6 and the inner wall of the collector profile 1 an annular space is formed, which is used to guide the Refrigerant is used. The annulus is in an upper one Inlet chamber 12, into which the inlet opening opens, as well as in one lower return space 13 from which the return opening branches is, by a radially outwardly projecting, annular Sealing flange 14 divided, the outer circumference supported radially on the inner wall of the collector profile 1. In addition, 1 is on the inner wall of the collector profile circumferential ring paragraph 15 provided that a gradation represents a smaller inner diameter. On this ring heel 15, the sealing flange 14 is also supported axially. The inlet space 12 is axially upward through a annular circumferential sealing shoulder 11 limited, which also protrudes radially outward from the dryer cartridge 6 and is supported radially on the inner wall of the collector profile 1. The lower end of the return space 13 is through the cap 5 limited.

Die Trocknerpatrone 6 weist an ihrem unteren Stirnende mehrere kranzartig über den Umfang der Trocknerpatrone 6 verteilte Rastnasen 17 auf, die radial elastisch nachgiebig gestaltet sind. Diese Rastnasen 17 stellen Rastelemente einer Rastverbindung dar, die zur lösbaren Festlegung der Trocknerpatrone 6 an dem Verschlußdeckel 5 dient. Dazu weist der Verschlußdeckel 5 auf seiner Innenseite eine umlaufende, radiale Ringnut auf, die als Raststelle in Form einer Rastnut 16 gestaltet ist. Die Rastnut 16 ist auf die Abmessungen der Rastnasen 17 abgestimmt, um eine sichere, koaxiale Positionierung und Festlegung der Trocknerpatrone 6 an dem Verschlußdeckel 5 zu erzielen. Der Verschlußdeckel 5 ist axial an die Rastnut 16 anschließend derart gestaltet, daß sich um die Trocknerpatrone 6 herum ein keilartiger Ringraum ergibt, der in Fig. 1 nicht näher bezeichnet ist. Dieser keilartige Ringraum ermöglicht den Angriff eines Werkzeuges, insbesondere eines Schraubenziehers, um die Trocknerpatrone 6 aus dem Verschlußdeckel 5 lösen zu können.The dryer cartridge 6 has several at its lower end distributed wreath-like over the circumference of the dryer cartridge 6 Lugs 17 on the radially resiliently designed are. These locking lugs 17 represent locking elements of a locking connection represents the detachable fixing of the dryer cartridge 6 on the cover 5 is used. For this purpose, the closure lid has 5 a circumferential, radial ring groove on its inside on, which is designed as a rest point in the form of a locking groove 16 is. The locking groove 16 is on the dimensions of the locking lugs 17 tuned for safe, coaxial positioning and Fixing the dryer cartridge 6 on the sealing cap 5 achieve. The closure cover 5 is axially on the locking groove 16th then designed in such a way that around the dryer cartridge 6 results in a wedge-like annular space, which in FIG. 1 is not specified. This wedge-like annular space enables the attack of a tool, especially one Screwdriver to remove the dryer cartridge 6 from the cover 5 to be able to solve.

Zum Einsetzen der Trocknerpatrone 6 in das Sammlerprofil 1 wird zunächst der Verschlußdeckel 5 in einfacher Weise mittels seiner Rastnut 16 auf die Rastnasen 17 der Trocknerpatrone 6 aufgeklipst, so daß die Trocknerpatrone 6 und der Verschlußdeckel 5 fest miteinander verbunden sind. Anschließend wird die Trocknerpatrone 6 von der unteren Stirnseite 4 her zusammen mit dem Verschlußdeckel 5 in das Sammlerprofil 1 eingeschoben, wobei die Dichtschulter 11 axial an der Innenwandung des Sammlerprofiles 1 entlanggleitet. Beim Einschrauben des Verschlußdeckels 5 schlägt der Dichtflansch 14 axial an dem Ringabsatz 15 an, wodurch sich die beschriebene radiale und gleichzeitig axiale Dichtung ergibt. Dadurch wird die sichere Trennung zwischen dem Zulaufraum 12 und dem Rücklaufraum 13 erreicht, so daß das Kältemittel gezwungen ist, durch die Trocknerpatrone 6 und damit durch die Trocknergranulatfüllung hindurch zu strömen.To insert the dryer cartridge 6 into the collector profile 1 is first the closure cover 5 in a simple manner its locking groove 16 on the locking lugs 17 of the dryer cartridge 6 clipped on, so that the dryer cartridge 6 and Cap 5 are firmly connected. Subsequently the dryer cartridge 6 from the lower end 4 forth together with the cap 5 in the collector profile 1 inserted, the sealing shoulder 11 axially on the inner wall of the collector profile 1 slides along. When screwing in of the sealing cap 5, the sealing flange 14 strikes axially on the ring shoulder 15, whereby the radial described and at the same time gives axial seal. This will make the safe separation between the inlet space 12 and the return space 13 reached so that the refrigerant is forced through the dryer cartridge 6 and thus through the dryer granulate filling to flow through.

Die Trocknerpatrone 6 nach den Fig. 2 und 3 entspricht der Trocknerpatrone 6, wie sie anhand der Fig. 1 beschrieben worden ist. Bei dem Ausführungsbeispiel nach den Fig. 2 und 3 ist die Trocknerpatrone 6 jedoch von der oberen Stirnseite 2 her in das Sammlerprofil 1 eingesetzt. Dazu ist der Boden 3 an der unteren Stirnseite 4 des Sammlerprofiles 1 fest angeordnet, vorzugsweise mit dem Sammlerprofil 1 verlötet. Im oberen Stirnende der Trocknerpatrone 6 ist eine Haltescheibe 24 eines Distanzstabes 23 mittels einer Rastverbindung lösbar festgelegt, wobei der Distanzstab 23 koaxial von der Trocknerpatrone 6 aus nach oben abragt. Die Haltescheibe 24 ist beim dargestellten Ausführungsbeispiel anstelle des Stützbodens 10 gemäß Fig. 1 vorgesehen, so daß sie die Abstützfunktion für die Druckfeder 9 übernimmt. Der Distanzstab 23 weist etwa auf der Hälfte seiner Länge radial nach außen ragende Führungselemente 25 auf, die sich radial an der Innenwandung des Sammlerprofiles 1 abstützen und eine sichere Zentrierung des Distanzstabes 23 über seine Länge gewährleisten. Ein freies Stirnende 26 des Distanzstabes 23 stützt sich im montierten Zustand an einer ebenen Stützfläche 27 des Verschlußdeckels 5 ab, der beim Ausführungsbeispiel nach den Fig. 2 und 3 in die obere Stirnseite 2 des Sammlerprofiles 1 eingeschraubt ist. Dazu ist auch die obere Stirnseite 2 des Sammlerprofiles 1 mit einem entsprechenden Innengewinde versehen.The dryer cartridge 6 according to FIGS. 2 and 3 corresponds to the Dryer cartridge 6, as described with reference to FIG. 1 is. In the embodiment according to FIGS. 2 and 3 However, the dryer cartridge 6 is from the upper end face 2 ago used in the collector profile 1. The bottom is 3 fixedly arranged on the lower end face 4 of the collector profile 1, preferably soldered to the collector profile 1. in the upper end of the dryer cartridge 6 is a retaining washer 24 of a spacer bar 23 can be released by means of a snap connection set, the spacer rod 23 coaxially from the dryer cartridge 6 protrudes upwards. The holding disc 24 is in the illustrated embodiment instead of the support floor 10 as shown in FIG. 1, so that they have the support function for the compression spring 9 takes over. The spacer rod 23 has protruding radially outwards about half of its length Guide elements 25, which are radially on the inner wall Support the collector profile 1 and secure centering ensure the spacer rod 23 over its length. A Free end 26 of the spacer rod 23 is supported in the assembled Condition on a flat support surface 27 of the closure cover 5 from that in the embodiment according to FIG. 2 and 3 screwed into the upper end face 2 of the collector profile 1 is. This is also the top end 2 of the collector profile 1 with a corresponding internal thread.

Die Haltescheibe 24 des Distanzstabes 23 ist einstückig mit dem Distanzstab 23 verbunden. Sobald der Verschlußdeckel 5 vollständig in die obere Stirnseite 2 eingeschraubt ist, übt er auf das freie Stirnende 26 des Distanzstabes 23 eine axiale Druckbelastung aus, die der Distanzstab 23 auf die Druckfeder 9 und damit auf den Dichtkolben 8 überträgt. Dadurch wird eine sichere und kompakte Positionierung des Distanzstabes 23 und der Trocknerpatrone 6 innerhalb des Sammlerprofiles 1 erzielt.The holding disc 24 of the spacer rod 23 is integral with connected to the spacer rod 23. As soon as the cover 5 is completely screwed into the upper end face 2, exercises he on the free end 26 of the spacer rod 23 an axial Pressure load from the spacer rod 23 on the compression spring 9 and thus transfers to the sealing piston 8. Thereby becomes a safe and compact positioning of the spacer bar 23 and the dryer cartridge 6 within the collector profile 1 scored.

Claims (5)

Einsatz für ein Sammlerprofil eines Kondensators einer Klimaanlage eines Kraftfahrzeuges mit einer in das Sammlerprofil von einer Stirnseite her axial - auf eine Längsachse des Sammlerprofiles bezogen - einsetzbaren und in einem Strömungsabschnitt des Sammlerprofiles positionierbaren Trocknerpatrone sowie einem Verschlußdeckel zum Verschließen einer Stirnseite des Sammlerprofiles,
dadurch gekennzeichnet,
daß die Trocknerpatrone (6) mittels lösbarer Verbindungsmittel (16, 17) an dem Verschlußdeckel (5) festlegbar ist, und daß der Verschlußdeckel (5) auf die dem Strömungsabschnitt des Sammlerprofiles (1) zugeordnete Stirnseite (4) aufsetzbar ist.Use for a collector profile of a condenser of an air conditioning system of a motor vehicle with a dryer cartridge which can be inserted axially into the collector profile from one end face - based on a longitudinal axis of the collector profile and which can be positioned in a flow section of the collector profile, and a sealing cover for closing an end face of the collector profile,
characterized,
that the dryer cartridge (6) can be fixed to the cover (5) by means of releasable connecting means (16, 17), and that the cover (5) can be placed on the end face (4) associated with the flow section of the collector profile (1). Einsatz nach Anspruch 1, dadurch gekennzeichnet, daß die lösbaren Verbindungsmittel Rastelemente (17) aufweisen, die an der Trocknerpatrone (6) oder an dem Verschlußdeckel vorgesehen sind, und daß korrespondierende Raststellen (16) vorgesehen sind, die - als Gegenstück zu den Rastelementen (17) - dem Verschlußdeckel (5) oder der Trocknerpatrone zugeordnet sind.Insert according to claim 1, characterized in that the detachable connecting means have latching elements (17), on the dryer cartridge (6) or on the sealing cap are provided, and that corresponding locking points (16) are provided - as a counterpart to the locking elements (17) - the cap (5) or the dryer cartridge assigned are. Einsatz nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die den lösbaren Verbindungsmitteln (16, 17) gegenüberliegende Seite der Trocknerpatrone (6) mit einer Aufnahme zur Festlegung eines sich an der dem Strömungsabschnitt gegenüberliegenden Stirnseite (2) des Sammlerprofiles abstützenden Distanzteiles (23) versehen ist.Use according to claim 1 or 2, characterized in that that the releasable connecting means (16, 17) opposite Side of the dryer cartridge (6) with a holder for Determination of one opposite the flow section Supporting the end face (2) of the collector profile Spacer (23) is provided. Einsatz nach Anspruch 3, dadurch gekennzeichnet, daß die dem Strömungsabschnitt gegenüberliegende Stirnseite (2) des Sammlerprofiles (1) derart identisch zu der dem Strömungsabschnitt zugeordneten Stirnseite (4) gestaltet ist, daß der Verschlußdeckel (5) an beiden Stirnseiten (2, 4) festlegbar ist.Insert according to claim 3, characterized in that the end face (2) opposite the flow section the collector profile (1) is identical to that of the flow section assigned end face (4) is designed that the sealing cover (5) can be fixed on both end faces (2, 4) is. Einsatz nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Trocknerpatrone (6) mit einem radial nach außen ragenden Ringflansch (14) zur Trennung eines Zulauf- und eines Rücklaufbereiches (12, 13) in dem Strömungsabschnitt des Sammlerprofiles (1) versehen ist, und daß das Sammlerprofil (1) einen Ringabsatz (15) zur axialen Stützung des Ringflansches (14) in der montierten Position der Trocknerpatrone (6) aufweist.Use according to at least one of the preceding claims, characterized in that the dryer cartridge (6) with a radially outwardly projecting ring flange (14) Separation of an inlet and a return area (12, 13) provided in the flow section of the collector profile (1) is, and that the collector profile (1) has a ring shoulder (15) axial support of the ring flange (14) in the assembled position the dryer cartridge (6).
EP98103323A 1997-03-26 1998-02-26 Condenser for an air-conditioner of a motor vehicle and insert in such a condenser Expired - Lifetime EP0867670B1 (en)

Applications Claiming Priority (2)

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DE19712714A DE19712714A1 (en) 1997-03-26 1997-03-26 Use for a collector profile of a capacitor
DE19712714 1997-03-26

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EP0867670A2 true EP0867670A2 (en) 1998-09-30
EP0867670A3 EP0867670A3 (en) 1999-06-09
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EP (1) EP0867670B1 (en)
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AT (1) ATE340345T1 (en)
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ES (1) ES2273378T3 (en)

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EP1580499A3 (en) * 2004-03-17 2007-03-28 SKG Italia S.p.A. Condenser cartridge, in particular for an air-conditioning unit for vehicles
EP1580499A2 (en) * 2004-03-17 2005-09-28 SKG Italia S.p.A. Condenser cartridge, in particular for an air-conditioning unit for vehicles
WO2007124484A2 (en) * 2006-04-21 2007-11-01 Parker-Hannifin Corporation Integrated cross-flow reservoir
WO2007124484A3 (en) * 2006-04-21 2008-01-17 Parker Hannifin Corp Integrated cross-flow reservoir
US8256746B2 (en) 2006-04-21 2012-09-04 Parker-Hannifin Corporation Integrated cross-flow reservoir
CZ305688B6 (en) * 2014-10-30 2016-02-03 Halla Visteon Climate Control Corporation Filter and drier assembly, especially for automobile air-conditioning circuit

Also Published As

Publication number Publication date
US5992174A (en) 1999-11-30
ATE340345T1 (en) 2006-10-15
DE59813729D1 (en) 2006-11-02
ES2273378T3 (en) 2007-05-01
DE19712714A1 (en) 1998-10-01
EP0867670B1 (en) 2006-09-20
EP0867670A3 (en) 1999-06-09
JPH10272919A (en) 1998-10-13

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