EP2236959A1 - Capillary tube for a fridge and/or freezer, fridge and/or freezer and method for securing and/or reducing the noise of a capillary tube for a fridge and/or freezer - Google Patents

Capillary tube for a fridge and/or freezer, fridge and/or freezer and method for securing and/or reducing the noise of a capillary tube for a fridge and/or freezer Download PDF

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Publication number
EP2236959A1
EP2236959A1 EP10002816A EP10002816A EP2236959A1 EP 2236959 A1 EP2236959 A1 EP 2236959A1 EP 10002816 A EP10002816 A EP 10002816A EP 10002816 A EP10002816 A EP 10002816A EP 2236959 A1 EP2236959 A1 EP 2236959A1
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EP
European Patent Office
Prior art keywords
capillary tube
winding
refrigerator
freezer
securing element
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
EP10002816A
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German (de)
French (fr)
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EP2236959B1 (en
Inventor
Dominik Lercher
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Liebherr Hausgeraete Lienz GmbH
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Liebherr Hausgeraete Lienz GmbH
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Publication of EP2236959A1 publication Critical patent/EP2236959A1/en
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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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration cycle
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/13—Vibrations

Definitions

  • the present invention relates to a capillary tube for a refrigerator and / or freezer, wherein the capillary tube forms a capillary tube winding in a partial section by at least partially winding, a refrigerator and / or freezer and a method for securing and / or noise reduction of a capillary tube of a cooling and / or freezer.
  • a capillary tube of the cooling circuit is wound onto a dryer. Since the voltage of the wound on the dryer capillary tube can subside after a few months of operation, it may cause noise during operation of the refrigerator and / or freezer.
  • a capillary tube with the features of claim 1. Thereafter, it is provided that a capillary tube for a refrigerator and / or freezer in a partial section by at least partially winding a capillary tube winding is formed, wherein in the region of the capillary tube winding a securing element, preferably an elastic element is provided.
  • a capillary tube winding may be formed, for example, by a partial twist along the longitudinal axis of the capillary tube.
  • such a capillary tube winding can also be formed by a multiple twisting or winding.
  • the securing element By arranging the securing element, it can be advantageously prevented, for example, that the turns of the capillary tube oscillate relative to one another and that this leads to a noise development which is perceived as unpleasant. Alternatively or additionally, however, can also be prevented, for example, that the capillary tube beats against another element of the refrigerator and / or freezer and / or oscillates, in particular against the component, preferably the dryer on which the capillary tube winding is located, for example, when the fuse element arranged as a buffer between the capillary tube and the further element, in particular the dryer, the refrigerator and / or freezer is, or z. B. when the fuse element surrounds the capillary tube winding partially or completely.
  • the securing element consists of an elastic, preferably of a permanently elastic material.
  • the securing element is a coating and / or an at least partially wrapping and / or a relining of the capillary tube winding and / or extends in at least part of the interstices of the capillary tube winding.
  • the securing element is located between the turns and / or between the winding of the capillary tube and the dryer.
  • the securing element is additionally used as a protective layer, e.g. can be used against contamination and damage and against corrosion.
  • the attachment of such a protective layer has the advantage that this is a convenient and space-saving solution. It is also advantageous that such a protective layer can also be easily solved by the customer service and made new.
  • the space requirement of the dryer roll with a protective layer is equal to that of the dryer roll without a protective layer.
  • the securing element comprises or is formed by a rubber-elastic mass and / or that the securing element comprises or is formed by a rubber sleeve or a rubber-like sleeve.
  • a rubber-elastic mass may be, for example, a liquid coating which is more fluid at the time of application and later solidifying but elastically remaining.
  • a rubber sleeve may for example also be formed by a rubber cap or by a rubber hose or a slotted rubber hose.
  • a slotted rubber hose has the advantage that this easy on the capillary tube winding or on the component or the Drier placed and there optionally further fixed, for example, can be glued.
  • the securing element partially or completely surrounds the capillary tube winding and / or a component, in particular the dryer, on which the capillary tube winding is located. This makes it easier, for example, the noise, e.g. by preventing the capillary tube windings from swaying, as these are completely encapsulated. In addition, this can be particularly beneficial pollution of the capillary tube winding can be prevented.
  • the securing element is formed by a clip-on clip. This can be designed as unilaterally open, part-circular cross-section element. It is conceivable z.
  • This clip can be pushed over the already wound capillary tube winding. It is conceivable that the capillary tube winding is wound directly on a dryer or other element of the refrigerant circuit or the refrigerator and / or freezer and that about this, d. H. is put over the wound capillary tube winding said clip.
  • This preferably consists of a flexible or elastic material.
  • the clip can be designed so that it has to be widened for plugging and is automatically moved back into its capillary tube winding at least partially surrounding final position after plugging.
  • the elastic element is a paint, an adhesive and / or a bitumen, acrylic or silicone paint or coating.
  • the securing element acrylic or / and silicone and / or one or more of the aforementioned substances or has one or more of these substances.
  • the elastic element can be applied or applied by applying, setting, dipping, brushing, rolling and / or spraying.
  • these coating methods allow a quick and easy coating of the capillary tube winding.
  • the securing element such as a coatable rubber-elastic mass, when applied between the capillary turns and also, e.g. between capillary tube winding and another element of the refrigerator and / or freezer penetrates and glued elastic.
  • the securing element can be detached from the capillary tube and / or from the component, in particular the dryer, on which the capillary tube winding is located.
  • a rubber-elastic coating is such that it is optionally completely removable after being cut or torn.
  • the capillary tube winding is formed spirally.
  • the capillary tube winding is wound onto a dryer, in particular a cylindrical dryer.
  • the spiral windings of the capillary tube winding surround the cylindrical dryer at least in the middle part of the dryer.
  • the coating to partially or completely surround the capillary tube winding and / or at least the part of the dryer encompassed by the capillary tube winding. This results, for example, in the advantage that the protective layer formed, for example, by a rubber-elastic mass is capillary tube winding and / or the area of the dryer on which the capillary tube is wound.
  • a refrigerator and / or freezer with the features of claim 11. Thereafter, it is provided that a refrigerator and / or freezer has at least one capillary tube according to one of claims 1 to 10.
  • the invention relates to a method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer with the features of claim 12. It is in a capillary, wherein the capillary tube in a partial section by at least partially winding a Kapillarrohrwicklung formed in the area the capillary tube winding arranged a securing element, preferably an elastic element and particularly preferably a rubber-elastic mass.
  • the elastic element is a paint, an adhesive and / or a bituminous paint and / or a rubber-elastic material and / or consists of acrylic and / or silicone and or comprises or consists of one or more of said components, and / or when the securing element is applied by applying, setting, dipping, brushing, rolling and / or spraying.
  • Fig. 1 shows a plan view of a capillary tube 10 of a refrigerator and / or freezer, wherein the capillary tube 10 is part of the refrigerant circuit and, for example, refrigerant leads to an evaporator.
  • the capillary tube 10 is wound spirally in a partial region 12.
  • This section 12 also called capillary tube winding 12, is wound on a cylindrical dryer 20 of a refrigerator and / or freezer.
  • the securing element referred to below as elastic element 30 consists in the illustrated embodiment of a rubber-elastic mass 30 which is applied to the capillary tube winding 30 and / or on a part of the surface of the dryer 20 and consists of permanently elastic material.
  • the rubber-elastic mass 30 completely surrounds the capillary tube winding 30 and the part of the dryer 20 enclosed by the capillary tube winding.
  • the rubber-elastic mass 30 serves not only as a fuse, e.g. Noise-generating relative movements of the capillary tube 10 and the dryer 20 prevents each other and the capillary tube 12 is glued to the dryer, but also as a protective layer 30, which helps prevent pollution and damage. It is also conceivable that the rubber-elastic mass 30 is not around the capillary tube 10, but substantially only on the surface of the dryer 20 and / or between the individual strands of the winding 12.
  • the rubber-elastic mass 30 it is possible to apply the rubber-elastic mass 30 during manufacture by dipping, spraying or brushing on. It can also be provided that the winding 12 and / or the dryer 20 is rolled in a rubber-elastic mass 30 in order to apply the protective layer 30. It is conceivable that in place of a rubber-elastic mass 30 and a color, if necessary a color forming an elastic layer, an adhesive, a bituminous paint or other readily processable, harmless rubber-elastic composition is applied.
  • the applied protective layer 30 or the rubber-elastic mass 30 can be removed in a first step.
  • a new protective layer 30 or a new rubber-elastic mass 30 can then be applied, for example, by a customer service representative on site by painting, spraying or other application method. It may be the rubber-elastic compound used at the factory, but also just about a color, an adhesive, a bitumen or acrylic or silicone coating or coating or any other easily processed, harmless rubber-elastic mass.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The tube (10) has a capillary tube coil (12) formed in a partial section by a partial winding along a longitudinal axis of the tube and wound on a cylindrical dryer (20) of a cooling and/or refrigeration device. A safety element e.g. adhesive or bitumen coating, comprising a rubber-elastic mass (30) is arranged on the coil and/or on a part of a surface of the dryer, where the safety element is made from durable-elastic material e.g. acrylic or silicone. The safety element completely or partially surrounds the coil and/or the part of the dryer. An independent claim is also included for a method for securing and/or noise-reduction of a capillary tube of a cooling and/or refrigeration device.

Description

Die vorliegende Erfindung betrifft ein Kapillarrohr für ein Kühl- und/oder Gefriergerät, wobei das Kapillarrohr in einem Teilabschnitt durch zumindest teilweise Aufwicklung eine Kapillarrohrwicklung ausbildet, ein Kühl- und/oder Gefriergerät sowie ein Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts.The present invention relates to a capillary tube for a refrigerator and / or freezer, wherein the capillary tube forms a capillary tube winding in a partial section by at least partially winding, a refrigerator and / or freezer and a method for securing and / or noise reduction of a capillary tube of a cooling and / or freezer.

Bei Kühl- und/oder Gefriergeräten kann z.B. aus Platzgründen ein Kapillarrohr des Kühlkreislaufs auf einen Trockner aufgewickelt werden. Da die Spannung des am Trockner aufgewickelten Kapillarrohres nach einigen Betriebsmonaten nachlassen kann, kann es zu Störgeräuschen beim Betrieb des Kühl- und/oder Gefriergerätes kommen.For refrigerators and / or freezers, e.g. for reasons of space, a capillary tube of the cooling circuit is wound onto a dryer. Since the voltage of the wound on the dryer capillary tube can subside after a few months of operation, it may cause noise during operation of the refrigerator and / or freezer.

Durch die Lockerung des auf den Trockner aufgewickelten Teils des Kapillarrohres sind Relativbewegungen zwischen Trockner und Kapillarrohr möglich, insbesondere können beide Komponenten, aber auch die Windungen des Kapillarrohrs selbst gegeneinander stoßen. Bei Betrieb des Kältekreislaufs können die vom Antrieb des Kältemittelkreislaufs ausgehenden Schwingungen dazu führen, dass Trockner und Kapillarrohr gegeneinander schwingen und als unangenehm empfundene Geräusche erzeugen. Dieses Geräusch wird auch als Rasseln bezeichnet und kann dazu führen, dass der Kundendienst zur Behebung dieses Geräusches angefordert wird und dieses Geräusch beheben soll.By loosening the part of the capillary tube wound onto the dryer, relative movements between the dryer and the capillary tube are possible, in particular both components, but also the turns of the capillary tube itself, can be used collide against each other. During operation of the refrigeration cycle, the vibrations originating from the drive of the refrigerant circuit can cause the dryer and the capillary tube to oscillate against one another and produce unpleasant noises. This sound is also referred to as rattling and may result in customer service requesting that noise be resolved and correcting this noise.

Es ist daher die Aufgabe der vorliegenden Erfindung, ein Kapillarrohr der eingangs genannten Art in vorteilhafter Weise weiterzubilden, insbesondere dahingehend, dass ein Auftreten von Störgeräuschen durch Trockner und Kapillarrohr im Betrieb des Kühl- und/oder Gefriergerätes langfristig vermieden werden kann.It is therefore an object of the present invention to develop a capillary tube of the type mentioned in an advantageous manner, in particular to the effect that an occurrence of noise by the dryer and capillary tube during operation of the refrigerator and / or freezer can be avoided long term.

Diese Aufgabe wird erfindungsgemäß durch ein Kapillarrohr mit den Merkmalen des Anspruchs 1 gelöst. Danach ist vorgesehen, dass ein Kapillarrohr für ein Kühl- und/oder Gefriergerät in einem Teilabschnitt durch zumindest teilweise Aufwicklung eine Kapillarrohrwicklung ausbildet, wobei im Bereich der Kapillarrohrwicklung ein Sicherungselement, vorzugsweise ein elastisches Element vorgesehen ist. Eine derartige Kapillarrohrwicklung kann beispielsweise durch eine teilweise Verwindung entlang der Längsachse des Kapillarrohres ausgebildet sein. Genauso gut kann eine derartige Kapillarrohrwicklung auch durch eine mehrfache Verwindung bzw. Aufwicklung ausgebildet werden.This object is achieved by a capillary tube with the features of claim 1. Thereafter, it is provided that a capillary tube for a refrigerator and / or freezer in a partial section by at least partially winding a capillary tube winding is formed, wherein in the region of the capillary tube winding a securing element, preferably an elastic element is provided. Such a capillary tube winding may be formed, for example, by a partial twist along the longitudinal axis of the capillary tube. Just as well, such a capillary tube winding can also be formed by a multiple twisting or winding.

Durch die Anordnung des Sicherungselements kann beispielsweise vorteilhaft verhindert werden, dass die Windungen des Kapillarrohres gegeneinander schwingen und es hierdurch zu einer als unangenehm empfundenen Geräuschentwicklung kommt. Alternativ oder zusätzlich kann aber ebenfalls beispielsweise verhindert werden, dass die Kapillarrohrwicklung gegen ein weiteres Element des Kühl- und/oder Gefriergerätes schlägt und/oder schwingt, insbesondere gegen das Bauteil, vorzugsweise den Trockner, auf dem sich die Kapillarrohrwicklung befindet, z.B. wenn das Sicherungselement als Puffer zwischen Kapillarrohr und dem weiteren Element, insbesondere dem Trockner, des Kühl- und/oder Gefriergerätes angeordnet ist, oder z. B. wenn das Sicherungselement die Kapillarrohrwicklung teilweise oder vollständig umgreift.By arranging the securing element, it can be advantageously prevented, for example, that the turns of the capillary tube oscillate relative to one another and that this leads to a noise development which is perceived as unpleasant. Alternatively or additionally, however, can also be prevented, for example, that the capillary tube beats against another element of the refrigerator and / or freezer and / or oscillates, in particular against the component, preferably the dryer on which the capillary tube winding is located, for example, when the fuse element arranged as a buffer between the capillary tube and the further element, in particular the dryer, the refrigerator and / or freezer is, or z. B. when the fuse element surrounds the capillary tube winding partially or completely.

Besonders vorteilhaft ist es, wenn das Sicherungselement aus einem elastischen, vorzugsweise aus einem dauerelastischen Material besteht.It is particularly advantageous if the securing element consists of an elastic, preferably of a permanently elastic material.

Es kann weiter vorgesehen sein, dass das Sicherungselement eine Beschichtung und/oder eine zumindest teilweise Einhüllung und/oder eine Unterfütterung der Kapillarrohrwicklung ist und/oder sich in zumindest einem Teil der Zwischenräume der Kapillarrohrwicklung erstreckt. Insbesondere ist denkbar, dass sich das Sicherungselement zwischen den Windungen und/oder zwischen der Wicklung des Kapillarrohrs und dem Trockner befindet. Dadurch ergibt sich der Vorteil, dass das Sicherungselement zusätzlich als Schutzschicht z.B. gegen Verschmutzung und Beschädigung und gegen Korrosion dienen kann. Das Anbringen einer derartigen Schutzschicht weist den Vorteil auf, dass dies eine günstige und platzsparende Lösung ist. Weiter ist von Vorteil, dass eine derartige Schutzschicht auch einfach durch den Kundendienst gelöst und neu hergestellt werden kann. Da keine zusätzlichen Bauteile benötigt werden, ist es z.B. möglich, diese Lösung bei jedem Gerät mit einer Kapillarrohrwicklung auf einem Trockner einzusetzen. Insbesondere ist der Platzbedarf des Trocknerwickels mit Schutzschicht gleich dem des Trocknerwickels ohne Schutzschicht.It can further be provided that the securing element is a coating and / or an at least partially wrapping and / or a relining of the capillary tube winding and / or extends in at least part of the interstices of the capillary tube winding. In particular, it is conceivable that the securing element is located between the turns and / or between the winding of the capillary tube and the dryer. This has the advantage that the securing element is additionally used as a protective layer, e.g. can be used against contamination and damage and against corrosion. The attachment of such a protective layer has the advantage that this is a convenient and space-saving solution. It is also advantageous that such a protective layer can also be easily solved by the customer service and made new. Since no additional components are needed, it is e.g. it is possible to use this solution on any device with a capillary tube winding on a dryer. In particular, the space requirement of the dryer roll with a protective layer is equal to that of the dryer roll without a protective layer.

Des Weiteren ist es möglich, dass das Sicherungselement eine gummielastische Masse umfasst oder durch diese gebildet wird und/oder dass das Sicherungselement eine Gummihülle oder eine gummiartige Hülle umfasst oder durch diese gebildet wird. Eine gummielastische Masse kann beispielsweise ein zum Zeitpunkt des Auftragens flüssiger und sich später verfestigender, aber elastisch verbleibender Gummiaufstrich sein. Eine Gummihülle kann beispielsweise auch durch eine Gummikappe oder durch einen Gummischlauch oder einen geschlitzten Gummischlauch ausgebildet sein. Ein geschlitzter Gummischlauch weist dabei den Vorteil auf, dass dieser einfach auf die Kapillarrohrwicklung oder auf das Bauteil bzw. den Trockner aufgesetzt und dort gegebenenfalls weiter fixiert, z.B. verklebt werden kann.Furthermore, it is possible that the securing element comprises or is formed by a rubber-elastic mass and / or that the securing element comprises or is formed by a rubber sleeve or a rubber-like sleeve. A rubber-elastic mass may be, for example, a liquid coating which is more fluid at the time of application and later solidifying but elastically remaining. A rubber sleeve may for example also be formed by a rubber cap or by a rubber hose or a slotted rubber hose. A slotted rubber hose has the advantage that this easy on the capillary tube winding or on the component or the Drier placed and there optionally further fixed, for example, can be glued.

Darüber hinaus ist denkbar, dass das Sicherungselement die Kapillarrohrwicklung und/oder ein Bauteil, insbesondere den Trockner, auf dem sich die Kapillarrohrwicklung befindet, teilweise oder vollständig umgibt. Dadurch wird es beispielsweise erleichtert, die Geräuschentwicklung z.B. durch Aneinanderschwingen der Kapillarrohrwicklungen zu verhindern, da diese vollständig gekapselt sind. Außerdem kann hierdurch besonders günstig eine Verschmutzung der Kapillarrohrwicklung verhindert werden.In addition, it is conceivable that the securing element partially or completely surrounds the capillary tube winding and / or a component, in particular the dryer, on which the capillary tube winding is located. This makes it easier, for example, the noise, e.g. by preventing the capillary tube windings from swaying, as these are completely encapsulated. In addition, this can be particularly beneficial pollution of the capillary tube winding can be prevented.

Denkbar ist es, dass das Sicherungselement durch einen aufsteckbaren Clip gebildet wird. Dieser kann als einseitig offenes, im Querschnitt teilkreisförmiges Element ausgeführt sein. Denkbar ist z. B. eine im wesentlichen zylindrische Ausführung, die einseitig offen ist (z. B. einen sich in Längsrichtung des Elementes erstreckenden Schlitz oder sonstige Öffnung aufweist).It is conceivable that the securing element is formed by a clip-on clip. This can be designed as unilaterally open, part-circular cross-section element. It is conceivable z. Example, a substantially cylindrical design, which is open on one side (eg., Has a extending in the longitudinal direction of the element slot or other opening).

Dieser Clip kann über die bereits aufgewickelte Kapillarrohrwicklung aufgeschoben werden. Denkbar ist es, dass die Kapillarrohrwicklung unmittelbar auf einem Trockner oder einem sonstigen Element des Kältemittelkreislaufes bzw. des Kühl- und/oder Gefriergerätes aufgewickelt ist und dass darüber, d. h. über die aufgewickelte Kapillarrohrwicklung der genannte Clip gesteckt wird. Dieser besteht vorzugsweise aus einem flexiblen bzw. elastischen Material. Der Clip kann so ausgeführt sein, dass er zum Aufstecken aufgeweitet werden muss und nach dem Aufstecken selbständig in seine die Kapillarrohrwicklung zumindest teilweise umgebende endgültige Position zurückbewegt wird.This clip can be pushed over the already wound capillary tube winding. It is conceivable that the capillary tube winding is wound directly on a dryer or other element of the refrigerant circuit or the refrigerator and / or freezer and that about this, d. H. is put over the wound capillary tube winding said clip. This preferably consists of a flexible or elastic material. The clip can be designed so that it has to be widened for plugging and is automatically moved back into its capillary tube winding at least partially surrounding final position after plugging.

Es kann vorgesehen sein, dass das elastische Element eine Farbe, ein Klebstoff und/oder ein Bitumen-, Acryl oder Siliconanstrich bzw. -beschichtung ist. Alternativ oder zusätzlich kommt in Betracht, dass das Sicherungselement Acryl und/oder Silicon und/oder einen oder mehrere der vorgenannten Stoffe aufweist oder aus einem oder mehreren dieser Stoffe besteht. Hierdurch kann besonders einfach, schnell und kostengünstig ein elastisches Element ausgebildet werden.It can be provided that the elastic element is a paint, an adhesive and / or a bitumen, acrylic or silicone paint or coating. Alternatively or additionally, it is considered that the securing element acrylic or / and silicone and / or one or more of the aforementioned substances or has one or more of these substances. As a result, an elastic element can be formed particularly simply, quickly and cost-effectively.

Weiter ist möglich, dass das elastische Element durch Aufziehen, Aufsetzen, Tauchen, Streichen, Rollen und/oder Sprühen auftragbar oder aufgetragen ist. Diese Auftragsverfahren ermöglichen beispielsweise eine schnelle und einfache Beschichtung der Kapillarrohrwicklung. Insbesondere ist es möglich, dass das Sicherungselement, etwa eine auftragbare gummielastische Masse, beim Auftragen zwischen die einzelnen Kapillarwindungen und auch z.B. zwischen Kapillarrohrwicklung und ein weiteres Element des Kühl- und/oder Gefriergerätes eindringt und elastisch verklebt.It is also possible that the elastic element can be applied or applied by applying, setting, dipping, brushing, rolling and / or spraying. For example, these coating methods allow a quick and easy coating of the capillary tube winding. In particular, it is possible that the securing element, such as a coatable rubber-elastic mass, when applied between the capillary turns and also, e.g. between capillary tube winding and another element of the refrigerator and / or freezer penetrates and glued elastic.

Des Weiteren kann vorgesehen sein, dass das Sicherungselement vom Kapillarrohr und/oder von dem Bauteil, insbesondere dem Trockner, auf dem sich die Kapillarrohrwicklung befindet, ablösbar ist. Dadurch ergibt sich der Vorteil, dass ein bereits angebrachtes Sicherungselement einfach ausgetauscht werden kann. Beispielsweise ist denkbar, dass eine gummielastische Beschichtung derart beschaffen ist, dass sie gegebenenfalls nach einem Einschneiden oder Einreißen vollständig abziehbar ist.Furthermore, it can be provided that the securing element can be detached from the capillary tube and / or from the component, in particular the dryer, on which the capillary tube winding is located. This results in the advantage that an already attached fuse element can be easily replaced. For example, it is conceivable that a rubber-elastic coating is such that it is optionally completely removable after being cut or torn.

Darüber hinaus kann vorgesehen sein, dass die Kapillarrohrwicklung spiralförmig ausgebildet ist.In addition, it can be provided that the capillary tube winding is formed spirally.

Weiter ist möglich, dass die Kapillarrohrwicklung auf einen Trockner, insbesondere einen zylindrischen Trockner, aufgewickelt ist. Vorzugsweise umgreifen dabei die spiralförmigen Windungen der Kapillarrohrwicklung den zylindrischen Trockner zumindest im mittleren Teil des Trockners.It is also possible that the capillary tube winding is wound onto a dryer, in particular a cylindrical dryer. Preferably, the spiral windings of the capillary tube winding surround the cylindrical dryer at least in the middle part of the dryer.

Es ist ferner denkbar, dass die Beschichtung die Kapillarrohrwicklung und/oder zumindest den von der Kapillarrohrwicklung umfassten Teil des Trockners teilweise oder vollständig umgreift. Dadurch ergibt sich beispielsweise der Vorteil, dass die z.B. durch eine gummielastische Masse ausgebildete Schutzschicht Kapillarrohrwicklung und/oder den Bereich des Trockners schützt, auf den das Kapillarrohr aufgewickelt ist.It is also conceivable for the coating to partially or completely surround the capillary tube winding and / or at least the part of the dryer encompassed by the capillary tube winding. This results, for example, in the advantage that the protective layer formed, for example, by a rubber-elastic mass is capillary tube winding and / or the area of the dryer on which the capillary tube is wound.

Des Weiteren betrifft die Erfindung ein Kühl- und/oder Gefriergerät mit den Merkmalen des Anspruchs 11. Danach ist vorgesehen, dass ein Kühl- und/oder Gefriergerät wenigstens ein Kapillarrohr nach einem der Ansprüche 1 bis 10 aufweist.Furthermore, the invention relates to a refrigerator and / or freezer with the features of claim 11. Thereafter, it is provided that a refrigerator and / or freezer has at least one capillary tube according to one of claims 1 to 10.

Weiter betrifft die Erfindung ein Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts mit den Merkmalen des Anspruchs 12. Dabei wird bei einem Kapillarrohr, wobei das Kapillarrohr in einem Teilabschnitt durch zumindest teilweise Aufwicklung eine Kapillarrohrwicklung ausbildet, im Bereich der Kapillarrohrwicklung ein Sicherungselement, vorzugsweise ein elastisches Element und besonders bevorzugt eine gummielastische Masse angeordnet.Furthermore, the invention relates to a method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer with the features of claim 12. It is in a capillary, wherein the capillary tube in a partial section by at least partially winding a Kapillarrohrwicklung formed in the area the capillary tube winding arranged a securing element, preferably an elastic element and particularly preferably a rubber-elastic mass.

Von Vorteil ist es, wenn das elastische Element eine Farbe, ein Klebstoff und/oder ein Bitumenanstrich und/oder eine gummielastische Masse ist und/oder aus Acryl und/oder aus Silicon besteht und oder eine oder mehrere der genannten Komponenten aufweist oder daraus besteht, und/oder wenn das Sicherungselement durch Aufziehen, Aufsetzen, Tauchen, Streichen, Rollen und/oder Sprühen aufgetragen wird.It is advantageous if the elastic element is a paint, an adhesive and / or a bituminous paint and / or a rubber-elastic material and / or consists of acrylic and / or silicone and or comprises or consists of one or more of said components, and / or when the securing element is applied by applying, setting, dipping, brushing, rolling and / or spraying.

Darüber hinaus kann vorgesehen sein, dass zum Austausch des Sicherungselements das im Bereich der Kapillarrohrwicklung angeordnete Sicherungselement abgelöst und ein neues Sicherungselement durch Aufziehen, Aufsetzen, Tauchen, Streichen, Rollen und/oder Sprühen aufgetragen wird.In addition, it can be provided that for replacing the fuse element arranged in the region of the capillary winding fuse element detached and a new fuse element by applying, placement, dipping, brushing, rolling and / or spraying is applied.

Ferner ist möglich, dass das Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts mit einem Kapillarrohr gemäß einem der Ansprüche 1 bis 10 und/oder einem Kühl- und/oder Gefriergerät gemäß Anspruch 11 durchgeführt wird.Furthermore, it is possible that the method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer with a capillary tube according to any one of claims 1 to 10 and / or a refrigerator and / or freezer according to claim 11 is performed.

Weitere Einzelheiten und Vorteile der Erfindung sollen nun anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert werden. Es zeigt:

  • Fig. 1: eine Draufsicht auf ein Kapillarrohr eines Kühl- und/oder Gefriergeräts.
Further details and advantages of the invention will now be explained in more detail with reference to an embodiment shown in the drawing. It shows:
  • Fig. 1 : A plan view of a capillary tube of a refrigerator and / or freezer.

Fig. 1 zeigt eine Draufsicht auf ein Kapillarrohr 10 eines Kühl- und/oder Gefriergerätes, wobei das Kapillarrohr 10 Bestandteil des Kältemittelkreislaufs ist und z.B. Kältemittel zu einem Verdampfer führt. Fig. 1 shows a plan view of a capillary tube 10 of a refrigerator and / or freezer, wherein the capillary tube 10 is part of the refrigerant circuit and, for example, refrigerant leads to an evaporator.

Das Kapillarrohr 10 wird in einem Teilbereich 12 spiralförmig aufgewickelt. Dieser Teilbereich 12, auch Kapillarrohrwicklung 12 genannt, wird auf einem zylindrischen Trockner 20 eines Kühl- und/oder Gefriergerätes aufgewickelt. Das im folgenden als elastisches Element 30 bezeichnete Sicherungselement besteht im dargestellten Ausführungsbeispiel aus einer gummielastischen Masse 30, die auf die Kapillarrohrwicklung 30 und/oder auf einen Teil der Oberfläche des Trockners 20 aufgetragen ist und aus dauerelastischem Material besteht.The capillary tube 10 is wound spirally in a partial region 12. This section 12, also called capillary tube winding 12, is wound on a cylindrical dryer 20 of a refrigerator and / or freezer. The securing element referred to below as elastic element 30 consists in the illustrated embodiment of a rubber-elastic mass 30 which is applied to the capillary tube winding 30 and / or on a part of the surface of the dryer 20 and consists of permanently elastic material.

Die gummielastische Masse 30 umhüllt die Kapillarrohrwicklung 30 und den von der Kapillarrohrwicklung umschlossenen Teil des Trockners 20 vollständig. Somit dient die gummielastische Masse 30 nicht nur als Sicherung, die z.B. geräuscherzeugende Relativbewegungen des Kapillarrohres 10 und des Trockners 20 zueinander verhindert und die Kapillarrohrwicklung 12 mit dem Trockner verklebt, sondern zudem noch als Schutzschicht 30, die Verschmutzung und Beschädigung verhindern hilft. Ebenso ist es denkbar, dass sich die gummielastische Masse 30 nicht um das Kapillarrohr 10 herum, sondern um Wesentlichen nur auf der Oberfläche des Trockners 20 und/oder zwischen den einzelnen Strängen der Wicklung 12 befindet.The rubber-elastic mass 30 completely surrounds the capillary tube winding 30 and the part of the dryer 20 enclosed by the capillary tube winding. Thus, the rubber-elastic mass 30 serves not only as a fuse, e.g. Noise-generating relative movements of the capillary tube 10 and the dryer 20 prevents each other and the capillary tube 12 is glued to the dryer, but also as a protective layer 30, which helps prevent pollution and damage. It is also conceivable that the rubber-elastic mass 30 is not around the capillary tube 10, but substantially only on the surface of the dryer 20 and / or between the individual strands of the winding 12.

Grundsätzlich ist es möglich, die gummielastische Masse 30 bei der Herstellung durch Eintauchen, Aufsprühen oder Aufstreichen aufzutragen. Es kann auch vorgesehen sein, dass die Wicklung 12 und/oder der Trockner 20 in einer gummielastischen Masse 30 gerollt wird, um die Schutzschicht 30 aufzutragen. Dabei ist denkbar, dass an Stelle einer gummielastischen Masse 30 auch eine Farbe, gegebenenfalls eine eine elastische Schicht ausbildenden Farbe, ein Kleber, eine Bitumenanstrich oder eine sonstige gut verarbeitbare, ungefährliche gummielastische Masse aufgetragen wird.In principle, it is possible to apply the rubber-elastic mass 30 during manufacture by dipping, spraying or brushing on. It can also be provided that the winding 12 and / or the dryer 20 is rolled in a rubber-elastic mass 30 in order to apply the protective layer 30. It is conceivable that in place of a rubber-elastic mass 30 and a color, if necessary a color forming an elastic layer, an adhesive, a bituminous paint or other readily processable, harmless rubber-elastic composition is applied.

Um die Schutzschicht 30 bzw. die gummielastische Masse 30 auszutauschen, kann die aufgetragene Schutzschicht 30 bzw. die gummielastische Masse 30 in einem ersten Schritt abgezogen werden. Eine neue Schutzschicht 30 bzw. eine neue gummielastische Masse 30 kann dann beispielsweise durch einen Kundendienstmitarbeiter vor Ort durch Aufstreichen, Aufsprühen oder ein sonstiges Auftragverfahren aufgebracht werden. Dabei kann es sich um die auch werkseitig verwendete gummielastische Masse handeln, aber auch genausogut um eine Farbe, einen Kleber, einen Bitumen- oder Acryl- oder Siliconanstrich bzw. -beschichtung oder eine sonstige gut verarbeitbare, ungefährliche gummielastische Masse.In order to replace the protective layer 30 or the rubber-elastic mass 30, the applied protective layer 30 or the rubber-elastic mass 30 can be removed in a first step. A new protective layer 30 or a new rubber-elastic mass 30 can then be applied, for example, by a customer service representative on site by painting, spraying or other application method. It may be the rubber-elastic compound used at the factory, but also just about a color, an adhesive, a bitumen or acrylic or silicone coating or coating or any other easily processed, harmless rubber-elastic mass.

Für den Austausch können Trockner 20 und Wicklung 12 gegeneinander verschoben werden. Es ist aber auch denkbar, dass die gummielastische Masse 30 in die Zwischenräume zwischen Wicklung 12 und Trockner 20, aber auch zwischen die einzelnen Stränge der Wicklung 12 einzieht.For the exchange dryer 20 and winding 12 can be moved against each other. But it is also conceivable that the rubber-elastic mass 30 moves into the spaces between the winding 12 and dryer 20, but also between the individual strands of the winding 12.

Claims (15)

Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät, wobei das Kapillarrohr (10) in einem Teilabschnitt durch zumindest teilweise Aufwicklung eine Kapillarrohrwicklung (12) ausbildet,
dadurch gekennzeichnet,
dass im Bereich der Kapillarrohrwicklung (12) ein Sicherungselement (30) vorgesehen ist, das derart angeordnet ist, dass Störgeräusche durch eine Relativbewegung von Teilen der Kapillarrohrwicklung (12) relativ zueinander und/oder durch eine Relativbewegung der Kapillarrohrwicklung (12) zu einem weiteren Bauteil verhindert oder verringert werden.Capillary tube (10) for a refrigerator and / or freezer, wherein the capillary tube (10) forms a capillary tube winding (12) in a partial section by at least partial winding,
characterized,
in that a securing element (30) is provided in the region of the capillary tube winding (12), which is arranged such that interference noises are caused by a relative movement of parts of the capillary tube winding (12) relative to one another and / or by a relative movement of the capillary tube winding (12) to form a further component prevented or reduced. Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach Anspruch 1, dadurch gekennzeichnet, dass das Sicherungselement (30) eine Beschichtung (30) und/oder eine zumindest teilweise Einhüllung (30) und/oder eine Unterfütterung der Kapillarrohrwicklung (12) ist und/oder sich in zumindest einem Teil der Zwischenräume der Kapillarrohrwicklung (12) erstreckt.Capillary tube (10) for a refrigerator and / or freezer according to claim 1, characterized in that the securing element (30) has a coating (30) and / or an at least partially wrapping (30) and / or a relining of the capillary tube winding (12). is and / or extends in at least a part of the interstices of the capillary tube winding (12). Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Sicherungselement (30) eine gummielastische Masse (30) umfasst oder durch diese gebildet wird und/oder dass das Sicherungselement (30) eine Gummihülle oder eine gummiartige Hülle umfasst oder durch diese gebildet wird.Capillary tube (10) for a refrigerator and / or freezer according to claim 1 or 2, characterized in that the securing element (30) comprises a rubber-elastic mass (30) or is formed by these and / or that the securing element (30) is a rubber sleeve or comprises or is formed by a rubbery shell. Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sicherungselement (30) die Kapillarrohrwicklung (12) und/oder ein Bauteil, auf dem sich die Kapillarrohrwicklung (12) befindet, teilweise oder vollständig umgibt.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the securing element (30) the capillary tube winding (12) and / or a component on which the capillary tube winding (12) is located partially or completely surrounds. Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sicherungselement (30) eine Farbe, ein Klebstoff und/oder ein Bitumenanstrich ist und/oder Acryl und/oder Silicon aufweist oder daraus besteht.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the securing element (30) is a paint, an adhesive and / or a bituminous paint and / or acrylic and / or silicone comprises or consists thereof , Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sicherungselement (30) durch Aufziehen, Aufsetzen, Tauchen, Streichen, Rollen und/oder Sprühen auftragbar oder aufgetragen ist.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the securing element (30) by application, placement, dipping, brushing, rolling and / or spraying applied or applied. Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sicherungselement (30) vom Kapillarrohr (10) und/oder von dem Bauteil, auf dem sich die Kapillarrohrwicklung (12) befindet, ablösbar oder nicht ablösbar ist.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the securing element (30) from the capillary tube (10) and / or from the component on which the capillary tube winding (12) is removable or not detachable. Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kapillarrohrwicklung (12) spiralförmig ausgebildet ist.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the capillary tube winding (12) is formed spirally. Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kapillarrohrwicklung (12) auf einen Trockner (20), insbesondere einen zylindrischen Trockner (20), aufgewickelt ist, wobei vorzugsweise vorgesehen ist, dass die Beschichtung die Kapillarrohrwicklung (30) und/oder zumindest den von der Kapillarrohrwicklung (12) umfaßten Teil des Trockners (20) teilweise oder vollständig umgreift.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the capillary tube winding (12) is wound on a dryer (20), in particular a cylindrical dryer (20), wherein it is preferably provided the coating partially or completely surrounds the capillary tube winding (30) and / or at least the part of the dryer (20) encompassed by the capillary tube winding (12). Kapillarrohr (10) für ein Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sicherungselement (30) elastisch ist.Capillary tube (10) for a refrigerator and / or freezer according to one of the preceding claims, characterized in that the securing element (30) is elastic. Kühl- und/oder Gefriergerät mit wenigstens einem Kapillarrohr (10) nach einem der Ansprüche 1 bis 10.Cooling and / or freezing appliance with at least one capillary tube (10) according to one of claims 1 to 10. Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts, wobei das Kapillarrohr (10) in einem Teilabschnitt durch zumindest teilweise Aufwicklung eine Kapillarrohrwicklung (12) ausbildet und im Bereich der Kapillarrohnrvicklung (12) ein Sicherungselement (30), vorzugweise eine gummielastische Masse (30) angeordnet wird.Method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer, the capillary tube (10) forming a capillary tube winding (12) in at least partial winding in a partial section and a securing element (30) in the region of the capillary tube winding (12), Preferably, a rubber-elastic mass (30) is arranged. Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts nach Anspruch 12, dadurch gekennzeichnet, dass das Sicherungselement (30) eine Farbe, ein Klebstoff und/oder ein Bitumenanstrich und/oder eine gummielastische Masse und/oder Acryl und/oder Silicon aufweist oder daraus besteht ist und/oder dass das Sicherungselement (30) durch Aufziehen, Aufsetzen, Tauchen, Streichen, Rollen und/oder Sprühen aufgetragen wird.A method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer according to claim 12, characterized in that the securing element (30) is a paint, an adhesive and / or a bituminous paint and / or a rubber-elastic material and / or acrylic and or silicone and / or that the securing element (30) is applied by applying, setting, dipping, brushing, rolling and / or spraying. Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass zum Austausch des Sicherungselements (30) das im Bereich der Kapillarrohrwicklung (12) angeordnete Sicherungselement (30) abgelöst und ein neues Sicherungselement (30) durch Aufziehen, Aufsetzen, Tauchen, Streichen, Rollen und/oder Sprühen aufgetragen wird.A method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer according to claim 12 or 13, characterized in that for replacing the fuse element (30) in the region of the capillary tube winding (12) arranged fuse element (30) detached and a new Securing element (30) by applying, placing, dipping, brushing, rolling and / or spraying is applied. Verfahren zur Sicherung und/oder Geräuschreduktion eines Kapillarrohres eines Kühl- und/oder Gefriergeräts nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass es sich um ein Kapillarrohr (10) gemäß einem der Ansprüche 1 bis 10 und/oder um ein Kühl- und/oder Gefriergerät gemäß Anspruch 11 handelt.Method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer according to any one of claims 12 to 14, characterized in that it is a capillary tube (10) according to one of claims 1 to 10 and / or a cooling and / or freezer according to claim 11.
EP10002816.6A 2009-03-18 2010-03-17 Capillary tube and dryer for a fridge and/or freezer, fridge and/or freezer and method for securing and/or reducing the noise of a capillary tube and a drier for a fridge and/or freezer Not-in-force EP2236959B1 (en)

Applications Claiming Priority (2)

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DE102009013810 2009-03-18
DE102009019359A DE102009019359A1 (en) 2009-03-18 2009-04-29 Capillary tube for a refrigerator and / or freezer, refrigerator and / or freezer and method for securing and / or noise reduction of a capillary tube of a refrigerator and / or freezer

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EP2236959B1 EP2236959B1 (en) 2015-06-24

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DE102010027589A1 (en) * 2010-06-18 2011-12-22 Liebherr-Hausgeräte Ochsenhausen GmbH Household device has pipeline, particularly with capillary tube, by which cooling medium flows in operation of device

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Publication number Priority date Publication date Assignee Title
US4269042A (en) * 1979-09-28 1981-05-26 E. I. Du Pont De Nemours And Company Centrifuge refrigeration system
JPH10132396A (en) * 1996-10-31 1998-05-22 Hoshizaki Electric Co Ltd Heat exchanger
JP2004354026A (en) * 2003-05-30 2004-12-16 Matsushita Electric Ind Co Ltd Air conditioner
US20050109486A1 (en) * 2003-11-20 2005-05-26 Memory Stephen B. Suction line heat exchanger for CO2 cooling system
JP2006145054A (en) * 2004-11-16 2006-06-08 Matsushita Electric Ind Co Ltd Refrigerator
KR20070008337A (en) * 2005-07-13 2007-01-17 삼성전자주식회사 Air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269042A (en) * 1979-09-28 1981-05-26 E. I. Du Pont De Nemours And Company Centrifuge refrigeration system
JPH10132396A (en) * 1996-10-31 1998-05-22 Hoshizaki Electric Co Ltd Heat exchanger
JP2004354026A (en) * 2003-05-30 2004-12-16 Matsushita Electric Ind Co Ltd Air conditioner
US20050109486A1 (en) * 2003-11-20 2005-05-26 Memory Stephen B. Suction line heat exchanger for CO2 cooling system
JP2006145054A (en) * 2004-11-16 2006-06-08 Matsushita Electric Ind Co Ltd Refrigerator
KR20070008337A (en) * 2005-07-13 2007-01-17 삼성전자주식회사 Air conditioner

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