EP2461125A2 - Refrigeration and/or freezer device - Google Patents

Refrigeration and/or freezer device Download PDF

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Publication number
EP2461125A2
EP2461125A2 EP20110009401 EP11009401A EP2461125A2 EP 2461125 A2 EP2461125 A2 EP 2461125A2 EP 20110009401 EP20110009401 EP 20110009401 EP 11009401 A EP11009401 A EP 11009401A EP 2461125 A2 EP2461125 A2 EP 2461125A2
Authority
EP
European Patent Office
Prior art keywords
evaporator
cooling
refrigerant
compartment
evaporators
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
EP20110009401
Other languages
German (de)
French (fr)
Other versions
EP2461125B1 (en
EP2461125A3 (en
Inventor
Thomas Dipl.-Ing. Ertel
Matthias Wiest
Holger Dipl.-Ing. Jendrusch
Didier Siegel
Michael Schick
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen GmbH
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
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Publication of EP2461125A2 publication Critical patent/EP2461125A2/en
Publication of EP2461125A3 publication Critical patent/EP2461125A3/en
Application granted granted Critical
Publication of EP2461125B1 publication Critical patent/EP2461125B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/068—Arrangements for circulating fluids through the insulating material
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators

Definitions

  • the present invention relates to a refrigerator and / or freezer with at least one compartment to be cooled, which serves to hold refrigerated and / or frozen goods, and with at least one refrigerant circuit, wherein the one or more refrigerant circuits comprise at least two evaporators, which in the operation of the or the refrigerant circuits are flowed through by refrigerant.
  • evaporator types are mainly used, namely free-hanging rear wall evaporator, usually made of aluminum sheet, foamed evaporator, that is, the evaporator is foam-mounted on the flat rear wall or the rear wall of the inner container, and finned evaporator, which generally in conjunction with a fan or be installed in the area of the device ceiling.
  • the present invention has the object of developing a refrigerator and / or freezer of the type mentioned in such a way that its efficiency is increased compared to known devices.
  • a refrigerator and / or freezer with the features of claim 1.
  • the at least two evaporators are arranged such that they cool one and the same compartment of the refrigerator and / or freezer during operation of the refrigerant circuit or circuits.
  • the evaporators are arranged so that the useful content of the compartment in question compared to known devices is not or only slightly reduced.
  • the at least two evaporators may be of the same type of evaporator and / or have the same mounting arrangement or be of different types of evaporators and / or have a different mounting arrangement.
  • a combination of several identical or different types of evaporator and / or mounting arrangements (free-hanging, foamed-in) thus comes into consideration. It is conceivable, for example, that one or more than one free-hanging evaporator and / or one or more than one foamed evaporator are used and / or that at least one free-hanging evaporator and at least one foamed evaporator are used, wherein the at least two evaporators for cooling the same compartment be used.
  • An exemplary embodiment of the invention comprises a refrigerator and / or freezer with one or more foamed evaporators and with one or more free-hanging evaporators or a refrigerator and / or freezer, for example, has only foamed or only free-hanging evaporator.
  • the term of the mounting arrangement is to be understood in particular that the evaporator can be freely suspended or even foamed.
  • evaporator types are, for example, tube-on-sheet, Z-Bond, roll-bond or wire-on-tube evaporator into consideration.
  • the at least two evaporators are flowed through in succession or parallel to one another in the at least one refrigerant circuit and / or that the at least two evaporators are part of the same or different refrigerant circuits.
  • the present invention further relates to a refrigerator and / or freezer with at least one compartment to be cooled, which serves to hold refrigerated and / or frozen goods, and with at least one refrigerant circuit comprising at least one evaporator for cooling said compartment, the In the operation of the refrigerant circuit is flowed through by refrigerant.
  • the compartment has at least one rear wall and a ceiling and that the evaporator is arranged so that it extends both in the region of the rear wall and in the region of the ceiling of the compartment and that at least one fan provided which is arranged so that it causes during operation of the fan, an air flow over the evaporator or over one or more portions of the evaporator.
  • said evaporator is a free-hanging evaporator.
  • the evaporator is arranged as stated so that it has a certain extent both in the region of the rear wall and in the area of the ceiling. It may have a first portion extending along the rear wall and having a second portion extending along the ceiling of the apparatus, these portions being parallel or oblique, preferably at an acute angle, to the rear wall or ceiling of the apparatus can run.
  • the at least one fan is used for dynamic cooling of the refrigerator or freezer compartment.
  • At least one cover is provided, wherein the evaporator is completely or partially behind the cover.
  • the cover has on the one hand the task of ensuring a controlled guidance of the air flow and, furthermore, the task of capturing and / or discharging the condensate dripping or draining off the evaporator as far as possible for the user.
  • the overall visual impression of the compartment is improved, since the evaporator is preferably designed and integrated in the device or is arranged in the compartment to be cooled, that no condensate can occur in visible places or is present.
  • the evaporator at least one recess is provided, in which the fan is located and / or that the evaporator has one or more recesses, which are arranged such that by the recess (s) reaching condensate preferably on the user side not visible side cover runs or drips.
  • the evaporator may be arranged or formed with regard to its mounting arrangement and / or with respect to the evaporator type according to claim 4.
  • the evaporator is made of one piece or consists of a plurality of interconnected elements that communicate with each other for example by means of a Lokringitati.
  • the present invention further relates to a refrigerator and / or freezer with at least one compartment to be cooled, which has at least one inner container for holding refrigerated and / or frozen goods, wherein the inner container is at least partially surrounded by a foaming, and at least one Refrigerant circuit comprising at least one evaporator, which is in operation Refrigerant flows through the refrigerant circuit and serves to cool the compartment.
  • the inner container has one or more channels in which the evaporator is arranged at least partially.
  • the evaporator is a tube evaporator.
  • an integration of the evaporator and the pipe guide is provided in the inner container, i. the inner container has wall regions into which the evaporator or a portion of the evaporator can be integrated or inserted.
  • the evaporator or tube evaporator can be easily installed by this integration of the pipe guide and has a large evaporator surface.
  • the uneven shape of the rear wall of the device or the inner container wall, in which the channels are located, improves the heat transfer, especially during dynamic cooling.
  • the evaporator preferably the tube evaporator is at least partially added to the foaming or adjacent to this.
  • the channel or channels are located in the rear wall and / or in the ceiling of the inner container and / or provided with one or more undercuts and / or that the channels in the width direction and / or in the depth direction and / or in vertical direction of the inner container or obliquely to the aforementioned directions.
  • a metal sheet or - band in particular an aluminum sheet or band is provided, which is for the purpose of enlarging the evaporator surface with the evaporator in combination.
  • FIG. 1 shows by reference numeral 10 an inner container which limits the compartment to be cooled at the top, bottom, in both side areas and in the rear area.
  • the front side of the compartment is closed by a door, not shown.
  • the reference numeral 20 an outer wall of the device or an outer housing of the device is shown, which is also located on the bottom, top, in the rear area and in both side areas. Between outer wall 20 and inner container 10 there is a foaming 30, for example made of PU foam, by means of which the heat transfer is inhibited in the device interior.
  • the reference numeral 40 denotes a foamed evaporator, which is located completely in the foaming 30, and by the reference numeral 50, a free-hanging evaporator.
  • the foamed-in evaporator 40 can be designed as a tube-on-plate evaporator 40 and the freely suspended evaporator 50 can be configured as a roll-bond or Z-bond evaporator.
  • the invention is not limited to the use of two evaporators 40, 50. Also, more than two foamed and / or free-hanging evaporators can be used. Like this FIG. 1 it can be seen, the evaporator 40 is in the foaming, that is, behind the inner container 20 and the free-hanging evaporator 50 in the interior, that is, in the area surrounded by the inner container 10 cooled area, which serves to hold refrigerated and / or frozen.
  • evaporator types instead of the mentioned evaporator types, other evaporators can be used, that is, the invention is not limited to the evaporator types shown.
  • evaporator 40, 50 can be flowed through in succession of refrigerant or be acted upon in parallel with refrigerant. They can be part of a common refrigerant circuit or even of two separate refrigerant circuits. This is true not only for the illustrated embodiment according to FIG. 1 but basically within the scope of the present invention.
  • the charging of the evaporators 40, 50 can be regulated by one or more solenoid valves.
  • FIG. 2 shows an embodiment which differs from the embodiment according to FIG. 1 differs in that no foamed evaporator is provided. Rather, two parallel arranged and mutually offset in the depth direction freely suspended evaporator are provided here, which are flowed through successively or in parallel by refrigerant and are part of a common or different refrigerant circuits. These can also be regulated with regard to their flow with refrigerant by solenoid valves.
  • the two evaporators can be made identical or different.
  • versions of evaporators such as tube-on-sheet, roll-bond, Z-Bond are possible.
  • these types of evaporators can also be combined.
  • the two free-hanging evaporators do not have to be arranged in parallel. An arrangement at an angle to each other is conceivable. Also, the two free-hanging evaporator must not be offset in the depth direction. Alternatively or additionally, it is conceivable to arrange the evaporators next to one another.
  • the two evaporators 50 are arranged freely suspended, that is not foamed.
  • FIG. 1 and 2 may be a combination of one or more foamed and provided by one or more free-hanging evaporators, wherein the evaporator may be of the same type or of different types. It is conceivable to use the same types of free-hanging evaporator and the same types of foamed evaporator. It is also possible to use different types of free-hanging and / or different types of foamed evaporator.
  • the one or more foamed evaporator or at least one or all foamed evaporator may be of the same type as the one or more free-hanging evaporator or at least one or all foamed evaporator, but also different evaporator types are conceivable.
  • FIG. 2 as well as in the following figures, the same reference numerals as in FIG. 1 used, provided they are the same or functionally identical parts.
  • FIG. 3 shows an embodiment of the invention with a free-hanging evaporator 50 having a first portion 51 extending vertically and, for example, parallel to the rear wall of the inner container 10 and having a horizontal portion 52 which is horizontal and parallel to the ceiling in the embodiment shown here of the inner container 10 extends.
  • the evaporator 50 can be used as a pure tube evaporator or as a plate evaporator, such as a plate evaporator. Roll-Bond or Z-Bond evaporator be executed.
  • the evaporator 50 according to FIG. 3 is thus characterized by having an area 51 located in the rear of the compartment and an upper area 52 located near the ceiling of the compartment.
  • the areas 51 and 52 need not necessarily be arranged parallel to the adjacent inner container walls. Also, an oblique arrangement or an angular arrangement such as in FIG. 5 is shown, is conceivable and mitumutzt of the invention.
  • FIG. 3 It can be seen that in the region of the evaporator 50 there is a fan which can be designed as an axial, radial, diagonal, tangential, etc. fan and bears the reference numeral 60.
  • This fan 60 is arranged so that during operation it causes an air flow over a partial area or over the entire evaporator 50. This air flow is then passed into the interior to be cooled, which is bounded by the inner container 10 and the door, not shown.
  • the reference numeral 70 denotes a cover, which is located both in the region of the horizontal portion 52 and in the region of the vertical portion 51 of the evaporator 50 is located. Like this FIG. 3 is apparent, the cover 70 extends in its vertical portion 71 parallel to the vertical portion 51 of the evaporator and with its upper portion 72 obliquely rising toward the front and at an angle to the horizontal evaporator section 52. This embodiment of the cover 70 causes the Users when opening the door and looking into the interior of the evaporator 50 does not see, but only looks at the cover 70, which can be designed according visually appealing.
  • the fan 60 is also located behind the cover 70.
  • the purpose of the cover 70 is to ensure a controlled guidance of the air flow provided by the fan 60 and to prevent the condensate dripping from the evaporator from being visible to the user.
  • the condensate is thus initially collected by the cover 70 and then derived as possible not visible at a suitable location for the user.
  • the evaporator 50 may have a recess 55, which serves for mounting the fan 60 and creates space for the installation of the fan 60.
  • the evaporator 50 may for example be designed as a pure tube evaporator, it being conceivable that the tubes of the tube evaporator are connected to increase the surface with a metal sheet, preferably made of aluminum.
  • the evaporator 50 is also conceivable to carry out the evaporator 50 as a plate evaporator, such as, for example, as a roll-bond or Z-bond evaporator.
  • the evaporator has not shown in the figures holes, apertures or the like, which allows dripping of the condensate from the top of the evaporator 50 to the cover 70.
  • Condensate formed above and extending substantially horizontally or obliquely to the horizontal evaporator section 52 can drain from the top of this section and dripping onto the cover in particular on the horizontal portion or inclined portion 72. This has the advantage that the formation of larger amounts of condensate and the resulting icing of the upper evaporator surface 52 in the area of the device ceiling is prevented.
  • the embodiment according to FIG. 5 differs from the embodiment according to FIG. 3 in that the upper portion 52 of the evaporator 50 is not made horizontally but inclined upward towards the front, as is apparent from FIG. 5 evident.
  • the cover 70 and the evaporator 50 run according to FIG. 4 and 5 in total, that is, in both sections 51, 71, 52, 72 parallel to each other.
  • a difference from the execution according to FIG. 3 is that according to FIG. 5 the fan 60 extends above the horizontal or inclined evaporator section 52, while in FIG FIG. 3 not the case.
  • the fan 60 is located between evaporator 50 and cover 70 and in particular in a corner region of the horizontal and the vertical evaporator section 51, 52.
  • the fan 60 is in the corner region of the inner container, that is in the area between the container ceiling and the inner container rear wall.
  • the fan can be located between the inner container and the evaporator or between the evaporator and the cover.
  • FIG. 6 shows a further embodiment of the present invention.
  • a foamed tube evaporator 80 is provided as the evaporator, which extends to increase the surface area in channels of the inner container 10.
  • the channels of the inner container 10 are designed to be convex from the perspective of the cooling or freezing compartment, that is to say they extend towards the cooled interior. Partially housed in these channels is the tube evaporator 80.
  • the channels are in the embodiment shown here, both on the rear wall of the inner container 10 and in the ceiling region of the inner container 10 (see reference numerals 80a and 80b).
  • the tubes of the tube evaporator 80 preferably run horizontally on the rear wall and in the area of the device ceiling in the direction of the device depth or also in the direction of the device width.
  • FIG. 6 shows an embodiment in which the tubes 80a and 80b of the tube evaporator 80 extend in device width and
  • FIG. 7 shows an embodiment in which the tubes 80c of the tube evaporator 80 run in the ceiling area in the direction of the device depth and in the region of the rear wall preferably horizontal (reference numeral 80b).
  • this may be provided with an aluminum sheet which is glued thereto. Behind the evaporator tube or in front of the evaporator tube of the tube evaporator 80, an aluminum sheet can thus be glued. Alternatively, an aluminum adhesive tape into consideration.
  • a thermal paste may be provided which is located in the channels.
  • the evaporator tubes of the tube evaporator 80 may be made of steel and may already be inserted in the manufacture of the container 10 in the drawing process, whereby the manufacturing process simplified.
  • the channels of the inner container are designed with one or more undercuts, with the result that the tube evaporator is well and reliably secured in the channel or channels.
  • the channels meander and are open to the outside in the 180 ° bends in order to compensate for tolerances of the bent tube evaporator tubes of the tube evaporator 80.
  • the occurring tolerance increases with the distance to the tube beginning of the tube evaporator 80th
  • the channel direction can run horizontally or vertically on the rear wall and in the direction of the device depth or width on the device ceiling.
  • the evaporator which can extend over the back wall and over the ceiling area, as he for example in Figure 3-7 can be seen, may be made in one piece or even consist of several parts, which communicate with each other for example by a Lokringitati.
  • the free-hanging evaporator is designed as a wire-on-tube evaporator.
  • the efficiency of a refrigerator and / or freezer is increased.
  • Evaporator technologies with a simple and therefore cost-effective design, allow for higher efficiency and lower energy consumption, and thus for better energy efficiency classes.
  • the overall visual impression of the refrigerator or freezer area improves because the evaporators are designed and integrated into the appliance so that no condensate can form in visible places.

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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)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The cooling-or freezing device has a to-be-cooled compartment for accommodating cold-or frozen food, where refrigerant circuit is provided with two evaporators (40,50). The evaporators are in operating state when a refrigerant flows through the refrigerant circuits. The evaporators are arranged such that during operation of the refrigerant circuits the to-be-cooled compartment is cooled.

Description

Die vorliegende Erfindung betrifft ein Kühl- und/oder Gefriergerät mit wenigstens einem zu kühlenden Kompartiment, das zur Aufnahme von Kühl- und/oder Gefriergut dient, und mit wenigstens einem Kältemittelkreislauf, wobei der oder die Kältemittelkreisläufe zumindest zwei Verdampfer umfassen, die im Betrieb des oder der Kältemittelkreisläufe von Kältemittel durchströmt werden.The present invention relates to a refrigerator and / or freezer with at least one compartment to be cooled, which serves to hold refrigerated and / or frozen goods, and with at least one refrigerant circuit, wherein the one or more refrigerant circuits comprise at least two evaporators, which in the operation of the or the refrigerant circuits are flowed through by refrigerant.

Aus dem Stand der Technik sind zahlreiche unterschiedliche Anordnungen und Ausführungen von Verdampfern bekannt, die Bestandteil eines Kältemittelkreislaufes bilden und zur Kühlung eines Gefrier- und/oder Kühlkompartimentes dienen.Numerous different arrangements and designs of evaporators are known from the prior art, which form part of a refrigerant circuit and serve to cool a freezer and / or Kühlkompartimentes.

Bislang werden hauptsächlich drei Verdampfertypen eingesetzt, nämlich freihängende Rückwandverdampfer, zumeist aus Aluminiumblech hergestellt, eingeschäumte Verdampfer, das heißt der Verdampfer wird schaumseitig auf der flachen Geräterückwand bzw. der Rückwand des Innenbehälters befestigt, sowie Lamellenverdampfer, die im allgemeinen in Verbindung mit einem Ventilator an oder im Bereich der Gerätedecke eingebaut werden.So far, three evaporator types are mainly used, namely free-hanging rear wall evaporator, usually made of aluminum sheet, foamed evaporator, that is, the evaporator is foam-mounted on the flat rear wall or the rear wall of the inner container, and finned evaporator, which generally in conjunction with a fan or be installed in the area of the device ceiling.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Kühl- und/oder Gefriergerät der eingangs genannten Art dahingehend weiterzubilden, dass dessen Effizienz gegenüber bekannten Geräten gesteigert wird.The present invention has the object of developing a refrigerator and / or freezer of the type mentioned in such a way that its efficiency is increased compared to known devices.

Diese Aufgabe wird durch ein Kühl- und/oder Gefriergerät mit den Merkmalen des Anspruchs 1 gelöst. Danach ist vorgesehen, dass die zumindest zwei Verdampfer derart angeordnet sind, dass sie im Betrieb des oder der Kältemittelkreisläufe ein und dasselbe Kompartiment des Kühl- und/oder Gefriergerätes kühlen. Auf diese Weise lässt sich eine Effizienzsteigerung durch Vergrößerung der Verdampferoberfläche sowie durch einen verbesserten Wärmeübergang erreichen. Vorzugsweise werden die Verdampfer dabei so angeordnet, dass der Nutzinhalt des fraglichen Kompartimentes gegenüber bekannten Geräten nicht oder nur unwesentlich verringert wird.This object is achieved by a refrigerator and / or freezer with the features of claim 1. Thereafter, it is provided that the at least two evaporators are arranged such that they cool one and the same compartment of the refrigerator and / or freezer during operation of the refrigerant circuit or circuits. In this way, an increase in efficiency can be achieved by enlarging the evaporator surface and by improved heat transfer. Preferably, the evaporators are arranged so that the useful content of the compartment in question compared to known devices is not or only slightly reduced.

Die zumindest zwei Verdampfer können vom selben Verdampfertyp sein und/oder dieselbe Montageanordnung aufweisen oder auch von unterschiedlichen Verdampfertypen sein und/oder eine unterschiedliche Montageanordnung aufweisen. In Betracht kommt somit eine Kombination von mehreren gleichen oder unterschiedlichen Verdampfertypen und/oder Montageanordnungen (freihängend, eingeschäumt). Denkbar ist es beispielsweise, dass ein oder mehr als ein freihängender Verdampfer und/oder ein oder mehr als ein eingeschäumter Verdampfer eingesetzt werden und/oder dass wenigstens ein freihängender Verdampfer und wenigstens ein eingeschäumter Verdampfer eingesetzt werden, wobei die zumindest zwei Verdampfer zur Kühlung desselben Kompartimentes eingesetzt werden.The at least two evaporators may be of the same type of evaporator and / or have the same mounting arrangement or be of different types of evaporators and / or have a different mounting arrangement. A combination of several identical or different types of evaporator and / or mounting arrangements (free-hanging, foamed-in) thus comes into consideration. It is conceivable, for example, that one or more than one free-hanging evaporator and / or one or more than one foamed evaporator are used and / or that at least one free-hanging evaporator and at least one foamed evaporator are used, wherein the at least two evaporators for cooling the same compartment be used.

Eine exemplarische Ausgestaltung der Erfindung umfaßt ein Kühl- und/oder Gefriergerät mit einem oder mehreren eingeschäumten Verdampfern sowie mit einem oder mehreren freihängenden Verdampfern oder auch ein Kühl- und/oder Gefriergerät, das beispielsweise nur eingeschäumte oder nur freihängende Verdampfer aufweist.An exemplary embodiment of the invention comprises a refrigerator and / or freezer with one or more foamed evaporators and with one or more free-hanging evaporators or a refrigerator and / or freezer, for example, has only foamed or only free-hanging evaporator.

Unter dem Begriff der Montageanordnung ist insbesondere zu verstehen, dass die Verdampfer freihängend oder auch eingeschäumt angeordnet sein können.The term of the mounting arrangement is to be understood in particular that the evaporator can be freely suspended or even foamed.

Als Verdampfertypen kommen beispielsweise Rohr-auf-Blech, Z-Bond, Roll-Bond oder Draht-auf-Rohr-Verdampfer in Betracht.As evaporator types are, for example, tube-on-sheet, Z-Bond, roll-bond or wire-on-tube evaporator into consideration.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die zumindest zwei Verdampfer in dem wenigstens einen Kältemittelkreislauf nacheinander oder parallel zueinander durchströmt werden und/oder dass die zumindest zwei Verdampfer Bestandteil desselben oder unterschiedlicher Kältemittelkreisläufe sind.In a further embodiment of the invention, it is provided that the at least two evaporators are flowed through in succession or parallel to one another in the at least one refrigerant circuit and / or that the at least two evaporators are part of the same or different refrigerant circuits.

Die vorliegende Erfindung betrifft des weiteren ein Kühl- und/oder Gefriergerät mit wenigstens einem zu kühlenden Kompartiment, das zur Aufnahme von Kühl- und/oder Gefriergut dient, und mit wenigstens einem Kältemittelkreislauf, der zumindest einen Verdampfer zur Kühlung des genannten Kompartimentes umfaßt, der im Betrieb des Kältemittelkreislaufes von Kältemittel durchströmt wird. In dieser Ausgestaltung der Erfindung ist vorgesehen, dass das Kompartiment wenigstens eine Rückwand und eine Decke aufweist und dass der Verdampfer derart angeordnet ist, dass er sich sowohl im Bereich der Rückwand als und auch im Bereich der Decke des Kompartimentes erstreckt und dass wenigstens ein Ventilator vorgesehen ist, der derart angeordnet ist, dass er im Betrieb des Ventilators eine Luftströmung über den Verdampfer oder über einen oder mehrere Teilbereiche des Verdampfers bewirkt. Vorzugsweise handelt es sich bei dem genannten Verdampfer um einen freihängenden Verdampfer.The present invention further relates to a refrigerator and / or freezer with at least one compartment to be cooled, which serves to hold refrigerated and / or frozen goods, and with at least one refrigerant circuit comprising at least one evaporator for cooling said compartment, the In the operation of the refrigerant circuit is flowed through by refrigerant. In this embodiment of the invention it is provided that the compartment has at least one rear wall and a ceiling and that the evaporator is arranged so that it extends both in the region of the rear wall and in the region of the ceiling of the compartment and that at least one fan provided which is arranged so that it causes during operation of the fan, an air flow over the evaporator or over one or more portions of the evaporator. Preferably, said evaporator is a free-hanging evaporator.

Der Verdampfer ist wie ausgeführt so angeordnet, dass er sowohl im Bereich der Rückwand als auch im Bereich der Decke eine gewisse Erstreckung aufweist. Er kann einen ersten Abschnitt aufweisen, der sich entlang der Rückwand erstreckt und einen zweiten Abschnitt aufweisen, der sich entlang der Decke des Gerätes erstreckt, wobei diese Abschnitte parallel oder auch schräg, vorzugsweise in einem spitzen Winkel, zur Rückwand bzw. zur Decke des Gerätes verlaufen können.The evaporator is arranged as stated so that it has a certain extent both in the region of the rear wall and in the area of the ceiling. It may have a first portion extending along the rear wall and having a second portion extending along the ceiling of the apparatus, these portions being parallel or oblique, preferably at an acute angle, to the rear wall or ceiling of the apparatus can run.

Der wenigstens eine Ventilator dient zur dynamischen Kühlung des Kühl- bzw. Gefrierkompartimentes.The at least one fan is used for dynamic cooling of the refrigerator or freezer compartment.

In bevorzugter Ausgestaltung der Erfindung ist zumindest eine Abdeckung vorgesehen, wobei sich der Verdampfer vollständig oder teilweise hinter der Abdeckung befindet. Die Abdeckung hat zum einen die Aufgabe, eine kontrollierte Führung der Luftströmung sicherzustellen und des weiteren die Aufgabe, das vom Verdampfer herabtropfende oder ablaufendes Kondensat möglichst für den Nutzer nicht sichtbar aufzufangen und/oder abzuleiten.In a preferred embodiment of the invention, at least one cover is provided, wherein the evaporator is completely or partially behind the cover. The cover has on the one hand the task of ensuring a controlled guidance of the air flow and, furthermore, the task of capturing and / or discharging the condensate dripping or draining off the evaporator as far as possible for the user.

Dadurch wird der optische Gesamteindruck des Kompartimentes verbessert, da der Verdampfer vorzugsweise so gestaltet ist und in das Gerät integriert ist bzw. in dem zu kühlenden Kompartiment angeordnet ist, dass kein Kondensat an sichtbaren Stellen entstehen kann bzw. vorliegt.As a result, the overall visual impression of the compartment is improved, since the evaporator is preferably designed and integrated in the device or is arranged in the compartment to be cooled, that no condensate can occur in visible places or is present.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass in dem Verdampfer wenigstens eine Ausnehmung vorgesehen ist, in der sich der Ventilator befindet und/oder dass der Verdampfer eine oder mehrere Ausnehmungen aufweist, die derart angeordnet sind, dass durch die Ausnehmung(en) gelangendes Kondensat vorzugsweise auf die nutzerseitig nicht sichtbare Seite Abdeckung läuft bzw. tropft.In a further embodiment of the invention it is provided that in the evaporator at least one recess is provided, in which the fan is located and / or that the evaporator has one or more recesses, which are arranged such that by the recess (s) reaching condensate preferably on the user side not visible side cover runs or drips.

Der Verdampfer kann hinsichtlich seiner Montageanordnung und/oder hinsichtlich des Verdampfertyps gemäß Anspruch 4 angeordnet bzw. ausgebildet sein. Alternativ oder zusätzlich dazu ist es denkbar, dass der Verdampfer aus einem Stück gefertigt ist oder auch aus mehreren miteinander verbundenen Elementen besteht, die beispielsweise mittels einer Lokringverbindung miteinander in Verbindung stehen.The evaporator may be arranged or formed with regard to its mounting arrangement and / or with respect to the evaporator type according to claim 4. Alternatively or additionally, it is conceivable that the evaporator is made of one piece or consists of a plurality of interconnected elements that communicate with each other for example by means of a Lokringverbindung.

Die vorliegende Erfindung betrifft des weiteren ein Kühl- und/oder Gefriergerät mit wenigstens einem zu kühlenden Kompartiment, das zumindest einen Innenbehälter zur Aufnahme von Kühl- und/oder Gefriergut aufweist, wobei der Innenbehälter zumindest bereichsweise von einer Ausschäumung umgeben ist, und mit wenigstens einem Kältemittelkreislauf, der zumindest einen Verdampfer umfaßt, der im Betrieb des Kältemittelkreislaufes von Kältemittel durchströmt wird und zur Kühlung des Kompartimentes dient. Erfindungsgemäß ist es in dieser Ausgestaltung der Erfindung vorgesehen, dass der Innenbehälter einen oder mehrere Kanäle aufweist, in denen der Verdampfer zumindest bereichsweise angeordnet ist. Vorzugsweise handelt es sich bei dem Verdampfer um einen Rohrverdampfer.The present invention further relates to a refrigerator and / or freezer with at least one compartment to be cooled, which has at least one inner container for holding refrigerated and / or frozen goods, wherein the inner container is at least partially surrounded by a foaming, and at least one Refrigerant circuit comprising at least one evaporator, which is in operation Refrigerant flows through the refrigerant circuit and serves to cool the compartment. According to the invention it is provided in this embodiment of the invention that the inner container has one or more channels in which the evaporator is arranged at least partially. Preferably, the evaporator is a tube evaporator.

In dieser Ausgestaltung der Erfindung ist somit eine Integration der Verdampfer- bzw. der Rohrführung in den Innenbehälter vorgesehen, d.h. der Innenbehälter weist Wandungsbereiche auf, in die der Verdampfer oder ein Teilbereich des Verdampfers integriert bzw. eingesetzt werden kann. Der Verdampfer bzw. Rohrverdampfer kann durch diese Integration der Rohrführung leicht eingebaut werden und besitzt eine große Verdampferoberfläche. Die unebene Form der Geräterückwand bzw. der Innenbehälterwand, in der sich die Kanäle befinden, verbessert den Wärmeübergang insbesondere bei dynamischer Kühlung.In this embodiment of the invention, therefore, an integration of the evaporator and the pipe guide is provided in the inner container, i. the inner container has wall regions into which the evaporator or a portion of the evaporator can be integrated or inserted. The evaporator or tube evaporator can be easily installed by this integration of the pipe guide and has a large evaporator surface. The uneven shape of the rear wall of the device or the inner container wall, in which the channels are located, improves the heat transfer, especially during dynamic cooling.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass der Verdampfer, vorzugsweise der Rohrverdampfer zumindest bereichsweise in der Ausschäumung aufgenommen ist oder an diese angrenzt.In a further embodiment of the invention it is provided that the evaporator, preferably the tube evaporator is at least partially added to the foaming or adjacent to this.

Weiterhin kann vorgesehen sein, dass sich der oder die Kanäle in der Rückwand und/oder in der Decke des Innenbehälters befinden und/oder mit einem oder mehreren Hinterschnitten versehen sind und/oder dass die Kanäle in Breitenrichtung und/oder in Tiefenrichtung und/oder in vertikaler Richtung des Innenbehälters oder auch schräg zu den vorgenannten Richtungen verlaufen.Furthermore, it can be provided that the channel or channels are located in the rear wall and / or in the ceiling of the inner container and / or provided with one or more undercuts and / or that the channels in the width direction and / or in the depth direction and / or in vertical direction of the inner container or obliquely to the aforementioned directions.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass ein Metallblech oder - band, insbesondere ein Aluminiumblech oder -band vorgesehen ist, das zum Zwecke der Vergrößerung der Verdampferoberfläche mit dem Verdampfer in Verbindung steht.In a further embodiment of the invention, it is provided that a metal sheet or - band, in particular an aluminum sheet or band is provided, which is for the purpose of enlarging the evaporator surface with the evaporator in combination.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels erläutert. Es zeigen:

Figur 1 und 2:
Längsschnittdarstellungen durch Kühl- und/oder Gefriergeräte gemäß der vorliegenden Erfindung mit unterschiedlichen Verdampferausführungen,
Figur 3 - 5:
Längsschnittdarstellungen durch Kühl- und/oder Gefriergeräte gemäß der vorliegenden Erfindung mit sich im Deckenbereich und im Rückbereich erstreckendem Verdampfer sowie mit Ventilator und Abdeckung,
Figur 6 und 7:
Längsschnittdarstellungen durch Kühl- und/oder Gefriergeräte gemäß der vorliegenden Erfindung mit im Innenbehälter angeordneten Kanälen zur Aufnahme eines Rohrverdampfers.
Further details and advantages of the invention will be explained with reference to an embodiment shown in the drawing. Show it:
FIGS. 1 and 2:
Longitudinal views through refrigerators and / or freezers according to the present invention with different types of evaporators,
FIGS. 3 to 5:
Longitudinal views through refrigerators and / or freezers according to the present invention with extending in the ceiling area and in the rear area evaporator and fan and cover,
FIGS. 6 and 7:
Longitudinal views through refrigerators and / or freezers according to the present invention with arranged in the inner container channels for receiving a tube evaporator.

Figur 1 zeigt mit dem Bezugszeichen 10 einen Innenbehälter, der das zu kühlende Kompartiment oben, unten, in beiden Seitenbereichen und im rückwärtigen Bereich begrenzt. Frontseitig wird das Kompartiment durch eine nicht dargestellte Tür verschlossen. FIG. 1 shows by reference numeral 10 an inner container which limits the compartment to be cooled at the top, bottom, in both side areas and in the rear area. The front side of the compartment is closed by a door, not shown.

Mit dem Bezugszeichen 20 ist eine Außenwand des Gerätes bzw. ein Außengehäuse des Gerätes dargestellt, das sich ebenfalls auf der Unterseite, Oberseite, im rückwärtigen Bereich sowie in beiden Seitenbereichen befindet. Zwischen Außenwand 20 und Innenbehälter 10 befindet sich eine Ausschäumung 30 beispielsweise aus PU-Schaum, mittels derer der Wärmedurchgang in den Geräteinnenraum gehemmt wird.The reference numeral 20, an outer wall of the device or an outer housing of the device is shown, which is also located on the bottom, top, in the rear area and in both side areas. Between outer wall 20 and inner container 10 there is a foaming 30, for example made of PU foam, by means of which the heat transfer is inhibited in the device interior.

Mit dem Bezugszeichen 40 ist ein eingeschäumter Verdampfer gekennzeichnet, der sich vollständig in der Ausschäumung 30 befindet, und mit dem Bezugszeichen 50 ein freihängender Verdampfer. In dem hier dargestellten Ausführungsbeispiel kann der eingeschäumte Verdampfer 40 als Rohr-auf-Blech-Verdampfer 40 ausgeführt sein und der freihängende Verdampfer 50 als Roll-Bond- oder Z-Bond-Verdampfer ausgeführt sein.The reference numeral 40 denotes a foamed evaporator, which is located completely in the foaming 30, and by the reference numeral 50, a free-hanging evaporator. In the exemplary embodiment illustrated here, the foamed-in evaporator 40 can be designed as a tube-on-plate evaporator 40 and the freely suspended evaporator 50 can be configured as a roll-bond or Z-bond evaporator.

Grundsätzlich ist die Erfindung nicht auf den Einsatz von zwei Verdampfern 40, 50 beschränkt. Auch mehr als zwei eingeschäumte und/oder freihängende Verdampfer können eingesetzt werden. Wie dies aus Figur 1 ersichtlich ist, befindet sich der Verdampfer 40 in der Ausschäumung, das heißt hinter dem Innenbehälter 20 und der freihängende Verdampfer 50 im Innenraum, das heißt in dem durch den Innenbehälter 10 umgebenen gekühlten Bereich, der zur Aufnahme von Kühl- und/oder Gefriergut dient.In principle, the invention is not limited to the use of two evaporators 40, 50. Also, more than two foamed and / or free-hanging evaporators can be used. Like this FIG. 1 it can be seen, the evaporator 40 is in the foaming, that is, behind the inner container 20 and the free-hanging evaporator 50 in the interior, that is, in the area surrounded by the inner container 10 cooled area, which serves to hold refrigerated and / or frozen.

Anstelle der genannten Verdampfertypen können auch andere Verdampfer eingesetzt werden, das heißt die Erfindung ist nicht auf die dargestellten Verdampfertypen beschränkt.Instead of the mentioned evaporator types, other evaporators can be used, that is, the invention is not limited to the evaporator types shown.

Die in Figur 1 dargestellten Verdampfer 40, 50 können nacheinander von Kältemittel durchströmt werden oder auch parallel mit Kältemittel beaufschlagt werden. Sie können Bestandteil eines gemeinsamen Kältemittelkreislaufes oder auch von zwei getrennten Kältemittelkreisläufen sein. Dies gilt nicht nur für die dargestellte Ausführungsform gemäß Figur 1 sondern grundsätzlich im Rahmen der vorliegenden Erfindung.In the FIG. 1 shown evaporator 40, 50 can be flowed through in succession of refrigerant or be acted upon in parallel with refrigerant. They can be part of a common refrigerant circuit or even of two separate refrigerant circuits. This is true not only for the illustrated embodiment according to FIG. 1 but basically within the scope of the present invention.

Die Beaufschlagung der Verdampfer 40, 50 kann durch ein oder mehrere Magnetventile reguliert werden.The charging of the evaporators 40, 50 can be regulated by one or more solenoid valves.

Figur 2 zeigt eine Ausgestaltung, die sich von der Ausführungsform gemäß Figur 1 dadurch unterscheidet, dass kein eingeschäumter Verdampfer vorgesehen ist. Vielmehr sind hier zwei parallel angeordnete und in Tiefenrichtung zueinander versetzte freihängende Verdampfer vorgesehen, die nacheinander oder parallel von Kältemittel durchströmt werden und die Bestandteil eines gemeinsamen oder unterschiedlicher Kältemittelkreisläufe sind. Auch diese können hinsichtlich ihrer Durchströmung mit Kältemittel durch Magnetventile reguliert werden. FIG. 2 shows an embodiment which differs from the embodiment according to FIG FIG. 1 differs in that no foamed evaporator is provided. Rather, two parallel arranged and mutually offset in the depth direction freely suspended evaporator are provided here, which are flowed through successively or in parallel by refrigerant and are part of a common or different refrigerant circuits. These can also be regulated with regard to their flow with refrigerant by solenoid valves.

Auch für diese Ausführungsform gilt, dass die beiden Verdampfer identisch ausgeführt sein können oder auch unterschiedlich. In Betracht kommen beispielsweise Ausführungen von Verdampfern wie Rohr-auf-Blech, Roll-Bond, Z-Bond. Diese Verdampfertypen können selbstverständlich auch kombiniert werden.Also applies to this embodiment that the two evaporators can be made identical or different. For example, versions of evaporators such as tube-on-sheet, roll-bond, Z-Bond are possible. Of course, these types of evaporators can also be combined.

Die beiden freihängenden Verdampfer müssen nicht parallel angeordnet sein. Auch eine Anordnung schräg zueinander ist denkbar. Auch müssen die beiden freihängenden Verdampfer nicht in Tiefenrichtung versetzt angeordnet sein. Alternativ oder zusätzlich ist denkbar, die Verdampfer nebeneinander anzuordnen.The two free-hanging evaporators do not have to be arranged in parallel. An arrangement at an angle to each other is conceivable. Also, the two free-hanging evaporator must not be offset in the depth direction. Alternatively or additionally, it is conceivable to arrange the evaporators next to one another.

In dem in Figur 2 dargestellten Ausführungsbeispiel sind die beiden Verdampfer 50 freihängend angeordnet, das heißt nicht eingeschäumt.In the in FIG. 2 illustrated embodiment, the two evaporators 50 are arranged freely suspended, that is not foamed.

Auch eine Kombination der Ausführungsformen gemäß Figur 1 und 2 ist denkbar, das heißt es kann eine Kombination von einem oder mehreren eingeschäumten und von einem oder mehreren freihängenden Verdampfern vorgesehen sein, wobei die Verdampfer vom selben Typ oder auch von unterschiedlichen Typen sein können. Denkbar ist es gleiche Typen der freihängenden Verdampfer und gleiche Typen der eingeschäumten Verdampfer zu verwenden. Auch ist es möglich unterschiedliche Typen freihängender und/oder unterschiedliche Typen eingeschäumter Verdampfer zu verwenden.Also a combination of the embodiments according to FIG. 1 and 2 is conceivable, that is, it may be a combination of one or more foamed and provided by one or more free-hanging evaporators, wherein the evaporator may be of the same type or of different types. It is conceivable to use the same types of free-hanging evaporator and the same types of foamed evaporator. It is also possible to use different types of free-hanging and / or different types of foamed evaporator.

Der oder die eingeschäumte Verdampfer bzw. wenigstens ein oder alle eingeschäumten Verdampfer können vom selben Typ sein wie der oder die freihängenden Verdampfer bzw. wenigstens ein oder alle eingeschäumten Verdampfer, jedoch sind jeweils auch unterschiedliche Verdampfertypen denkbar.The one or more foamed evaporator or at least one or all foamed evaporator may be of the same type as the one or more free-hanging evaporator or at least one or all foamed evaporator, but also different evaporator types are conceivable.

Im übrigen sind in Figur 2 sowie auch in den folgenden Figuren die gleichen Bezugszeichen wie in Figur 1 verwendet, sofern es sich um gleiche oder funktionsgleiche Teile handelt.Otherwise, in FIG. 2 as well as in the following figures, the same reference numerals as in FIG. 1 used, provided they are the same or functionally identical parts.

Figur 3 zeigt ein Ausführungsbeispiel der Erfindung mit einem freihängenden Verdampfer 50, der einen ersten Abschnitt 51 aufweist der sich vertikal erstreckt und beispielsweise parallel zur Rückwand des Innenbehälters 10 verläuft und der einen horizontalen Abschnitt 52 aufweist, der sich horizontal und in dem hier dargestellten Ausführungsbeispiel parallel zur Decke des Innenbehälters 10 erstreckt. FIG. 3 shows an embodiment of the invention with a free-hanging evaporator 50 having a first portion 51 extending vertically and, for example, parallel to the rear wall of the inner container 10 and having a horizontal portion 52 which is horizontal and parallel to the ceiling in the embodiment shown here of the inner container 10 extends.

Der Verdampfer 50 kann als reiner Rohrverdampfer oder als Blechverdampfer, wie z.B. Roll-Bond oder Z-Bond-Verdampfer ausgeführt sein.The evaporator 50 can be used as a pure tube evaporator or as a plate evaporator, such as a plate evaporator. Roll-Bond or Z-Bond evaporator be executed.

Der Verdampfer 50 gemäß Figur 3 ist somit dadurch ausgezeichnet, dass er einen Bereich 51 aufweist, der sich im rückwärtigen Bereich des Kompartimentes befindet und einen oberen Bereich 52, der sich im Bereich der Decke des Kompartimentes befindet.The evaporator 50 according to FIG. 3 is thus characterized by having an area 51 located in the rear of the compartment and an upper area 52 located near the ceiling of the compartment.

Die Bereiche 51 und 52 müssen nicht zwingend parallel zu den angrenzenden Innenbehälterwandungen angeordnet sein. Auch eine schräge Anordnung bzw. eine winklige Anordnung wie sie beispielsweise in Figur 5 dargestellt ist, ist denkbar und von der Erfindung mitumfasst.The areas 51 and 52 need not necessarily be arranged parallel to the adjacent inner container walls. Also, an oblique arrangement or an angular arrangement such as in FIG. 5 is shown, is conceivable and mitumfasst of the invention.

Wie dies weiter aus Figur 3 hervorgeht, befindet sich im Bereich des Verdampfers 50 ein Ventilator, der als Axial-, Radial-, Diagonal-, Tangential-, etc. Ventilator ausgeführt sein kann und das Bezugszeichen 60 trägt. Dieser Ventilator 60 ist so angeordnet, dass er im Betrieb eine Luftströmung über einen Teilbereich oder über den gesamten Verdampfer 50 bewirkt. Diese Luftströmung wird dann in den zu kühlenden Innenraum geleitet, der von dem Innenbehälter 10 und der nicht dargestellten Tür begrenzt wird.Like this further FIG. 3 It can be seen that in the region of the evaporator 50 there is a fan which can be designed as an axial, radial, diagonal, tangential, etc. fan and bears the reference numeral 60. This fan 60 is arranged so that during operation it causes an air flow over a partial area or over the entire evaporator 50. This air flow is then passed into the interior to be cooled, which is bounded by the inner container 10 and the door, not shown.

Es findet somit in dem in Figur 3 dargestellten Ausführungsbeispiel eine dynamische Kühlung des Kühl- bzw. Gefrierraums statt.It thus finds in the in FIG. 3 illustrated embodiment, a dynamic cooling of the refrigerator or freezer instead.

Mit dem Bezugszeichen 70 ist eine Abdeckung gekennzeichnet, die sich sowohl im Bereich des horizontalen Abschnitts 52 als auch im Bereich des vertikalen Abschnitts 51 des Verdampfers 50 befindet. Wie dies aus Figur 3 hervorgeht, erstreckt sich die Abdeckung 70 in ihrem vertikalen Abschnitt 71 parallel zu dem vertikalen Abschnitt 51 des Verdampfers und mit ihrem oberen Abschnitt 72 schräg, nach vorne hin ansteigend und im Winkel zu dem horizontalen Verdampferabschnitt 52. Diese Ausführung der Abdeckung 70 bewirkt, dass der Nutzer beim Öffnen der Tür und beim Blick in den Innenraum den Verdampfer 50 nicht sieht, sondern nur auf die Abdeckung 70 blickt, die entsprechend optisch ansprechend ausgeführt sein kann.The reference numeral 70 denotes a cover, which is located both in the region of the horizontal portion 52 and in the region of the vertical portion 51 of the evaporator 50 is located. Like this FIG. 3 is apparent, the cover 70 extends in its vertical portion 71 parallel to the vertical portion 51 of the evaporator and with its upper portion 72 obliquely rising toward the front and at an angle to the horizontal evaporator section 52. This embodiment of the cover 70 causes the Users when opening the door and looking into the interior of the evaporator 50 does not see, but only looks at the cover 70, which can be designed according visually appealing.

In dem dargestellten Ausführungsbeispiel gemäß Figur 3 ist auch der Ventilator 60 hinter der Abdeckung 70 angeordnet.In the illustrated embodiment according to FIG. 3 the fan 60 is also located behind the cover 70.

Die Abdeckung 70 hat die Aufgabe, zum einen eine kontrollierte Führung der Luftströmung, die durch den Ventilator 60 bereitgestellt wird, sicherzustellen und das vom Verdampfer abtropfende Kondensat für den Nutzer nicht sichtbar abzuleiten. Das Kondensat wird somit zunächst durch die Abdeckung 70 aufgefangen und dann an geeigneter Stelle für den Nutzer möglichst nicht sichtbar abgeleitet.The purpose of the cover 70 is to ensure a controlled guidance of the air flow provided by the fan 60 and to prevent the condensate dripping from the evaporator from being visible to the user. The condensate is thus initially collected by the cover 70 and then derived as possible not visible at a suitable location for the user.

Wie dies aus Figur 4 hervorgeht, kann der Verdampfer 50 eine Ausnehmung 55 aufweisen, die zur Montage des Ventilators 60 dient bzw. Raum für die Installation des Ventilators 60 schafft.Like this FIG. 4 As can be seen, the evaporator 50 may have a recess 55, which serves for mounting the fan 60 and creates space for the installation of the fan 60.

Hinsichtlich der Ausführung des Verdampfers ist auf die obigen Ausführungen zu verweisen. Der Verdampfer 50 kann beispielsweise als reiner Rohrverdampfer ausgeführt sein, wobei es denkbar ist, dass die Rohre des Rohrverdampfers zur Vergrößerung der Oberfläche mit einem Blech, bevorzugt aus Aluminium verbunden sind.With regard to the execution of the evaporator is to refer to the above statements. The evaporator 50 may for example be designed as a pure tube evaporator, it being conceivable that the tubes of the tube evaporator are connected to increase the surface with a metal sheet, preferably made of aluminum.

Auch ist es denkbar, den Verdampfer 50 als Blechverdampfer auszuführen, wie beispielsweise als Roll-Bond- oder Z-Bond-Verdampfer.It is also conceivable to carry out the evaporator 50 as a plate evaporator, such as, for example, as a roll-bond or Z-bond evaporator.

Weiterhin ist es denkbar, dass der Verdampfer über in den Figuren nicht näher dargestellte Löcher, Durchbrüche oder dergleichen verfügt, die ein Abtropfen des Kondensates von der Oberseite des Verdampfers 50 auf die Abdeckung 70 ermöglicht. Insbesondere kann dadurch erreicht werden, dass in dem in Figur 3, 4, 5 oben dargestellten und im wesentlichen horizontal oder schräg zur Horizontalen verlaufenden Verdampferabschnitt 52 entstehendes Kondensat von der Oberseite dieses Abschnitts ablaufen kann und auf die Abdeckung abtropft insbesondere auf deren horizontalen Abschnitt bzw. schräg verlaufenden Abschnitt 72. Dies hat den Vorteil, dass die Bildung größerer Kondensatmengen und die sich daraus ergebende Vereisung der oberen Verdampferfläche 52 im Bereich der Gerätedecke verhindert wird.Furthermore, it is conceivable that the evaporator has not shown in the figures holes, apertures or the like, which allows dripping of the condensate from the top of the evaporator 50 to the cover 70. In particular, it can be achieved that in the in FIG. 3 . 4 . 5 Condensate formed above and extending substantially horizontally or obliquely to the horizontal evaporator section 52 can drain from the top of this section and dripping onto the cover in particular on the horizontal portion or inclined portion 72. This has the advantage that the formation of larger amounts of condensate and the resulting icing of the upper evaporator surface 52 in the area of the device ceiling is prevented.

Die Ausführungsform gemäß Figur 5 unterscheidet sich von der Ausführungsform gemäß Figur 3 dadurch, dass der obere Abschnitt 52 des Verdampfers 50 nicht horizontal, sondern schräg nach vorne hin ansteigend ausgeführt ist, wie dies aus Figur 5 hervorgeht.The embodiment according to FIG. 5 differs from the embodiment according to FIG. 3 in that the upper portion 52 of the evaporator 50 is not made horizontally but inclined upward towards the front, as is apparent from FIG. 5 evident.

Die Abdeckung 70 und der Verdampfer 50 laufen gemäß Figur 4 und 5 insgesamt, das heißt in beiden Abschnitten 51, 71, 52, 72 parallel zueinander. Ein Unterschied zu der Ausführung gemäß Figur 3 besteht darin, dass sich gemäß Figur 5 der Ventilator 60 oberhalb des horizontal oder schräg verlaufenden Verdampferabschnitts 52 erstreckt, während dies in Figur 3 nicht der Fall ist. Gemäß Figur 3 befindet sich der Ventilator 60 zwischen Verdampfer 50 und Abdeckung 70 und insbesondere in einem Eckbereich des horizontalen und des vertikalen Verdampferabschnitts 51, 52.The cover 70 and the evaporator 50 run according to FIG. 4 and 5 in total, that is, in both sections 51, 71, 52, 72 parallel to each other. A difference from the execution according to FIG. 3 is that according to FIG. 5 the fan 60 extends above the horizontal or inclined evaporator section 52, while in FIG FIG. 3 not the case. According to FIG. 3 the fan 60 is located between evaporator 50 and cover 70 and in particular in a corner region of the horizontal and the vertical evaporator section 51, 52.

In Figur 5 befindet sich der Ventilator 60 im Eckbereich des Innenbehälters, das heißt in dem Bereich zwischen Behälterdecke und Innenbehälterrückwand.In FIG. 5 the fan 60 is in the corner region of the inner container, that is in the area between the container ceiling and the inner container rear wall.

Grundsätzlich kann sich der Ventilator zwischen Innenbehälter und Verdampfer befinden oder auch zwischen dem Verdampfer und der Abdeckung.In principle, the fan can be located between the inner container and the evaporator or between the evaporator and the cover.

Figur 6 zeigt eine weitere Ausgestaltung der vorliegenden Erfindung. FIG. 6 shows a further embodiment of the present invention.

Gemäß dieser Ausführungsform der Erfindung ist als Verdampfer ein eingeschäumter Rohrverdampfer 80 vorgesehen, der zur Vergrößerung der Oberfläche in Kanälen des Innenbehälters 10 verläuft. Die Kanäle des Innenbehälters 10 sind aus Sicht des Kühl- bzw. Gefrierkompartimentes konvex ausgeführt, das heißt erstrecken sich zu dem gekühlten Innenraum hin. In diesen Kanälen befindet sich teilweise aufgenommen der Rohrverdampfer 80.According to this embodiment of the invention, a foamed tube evaporator 80 is provided as the evaporator, which extends to increase the surface area in channels of the inner container 10. The channels of the inner container 10 are designed to be convex from the perspective of the cooling or freezing compartment, that is to say they extend towards the cooled interior. Partially housed in these channels is the tube evaporator 80.

Wie dies aus Figur 6 hervorgeht, befinden sich die Kanäle in dem hier dargestellten Ausführungsbeispiel sowohl an der Rückwand des Innenbehälters 10 als auch im Deckenbereich des Innenbehälters 10 (vgl. Bezugszeichen 80a und 80b).Like this FIG. 6 It can be seen that the channels are in the embodiment shown here, both on the rear wall of the inner container 10 and in the ceiling region of the inner container 10 (see reference numerals 80a and 80b).

Die Rohre des Rohrverdampfers 80 laufen an der Rückwand bevorzugt horizontal und im Bereich der Gerätedecke in Richtung der Gerätetiefe oder auch in Richtung der Gerätebreite.The tubes of the tube evaporator 80 preferably run horizontally on the rear wall and in the area of the device ceiling in the direction of the device depth or also in the direction of the device width.

Figur 6 zeigt ein Ausführungsbeispiel, bei dem die Rohre 80a und 80b des Rohrverdampfers 80 in Gerätebreite verlaufen und Figur 7 zeigt ein Ausführungsbeispiel, bei dem die Rohre 80c des Rohrverdampfers 80 in im Deckenbereich in Richtung der Gerätetiefe laufen und im Bereich der Rückwand bevorzugt horizontal (Bezugszeichen 80b). FIG. 6 shows an embodiment in which the tubes 80a and 80b of the tube evaporator 80 extend in device width and FIG. 7 shows an embodiment in which the tubes 80c of the tube evaporator 80 run in the ceiling area in the direction of the device depth and in the region of the rear wall preferably horizontal (reference numeral 80b).

Um die Verdampferfläche des Rohrverdampfers 80 weiter zu vergrößern, kann dieser mit einem Aluminiumblech versehen sein, das mit diesem verklebt ist. Hinter dem Verdampferrohr oder auch vor dem Verdampferrohr des Rohrverdampfers 80 kann somit ein Aluminiumblech aufgeklebt sein. Alternativ kommt auch ein Aluminiumklebeband in Betracht.In order to further increase the evaporator area of the tube evaporator 80, this may be provided with an aluminum sheet which is glued thereto. Behind the evaporator tube or in front of the evaporator tube of the tube evaporator 80, an aluminum sheet can thus be glued. Alternatively, an aluminum adhesive tape into consideration.

Um die Ankopplung des Rohres des Rohrverdampfers 80 an den Innenbehälter 10 zu verbessern, kann eine Wärmeleitpaste vorgesehen sein, die sich in den Kanälen befindet.In order to improve the coupling of the tube of the tube evaporator 80 to the inner container 10, a thermal paste may be provided which is located in the channels.

Die Verdampferrohre des Rohrverdampfers 80 können aus Stahl hergestellt sein und können bereits bei der Herstellung des Behälters 10 im Ziehverfahren eingelegt werden, wodurch sich der Herstellvorgang vereinfacht.The evaporator tubes of the tube evaporator 80 may be made of steel and may already be inserted in the manufacture of the container 10 in the drawing process, whereby the manufacturing process simplified.

Vorzugsweise sind die Kanäle des Innenbehälters mit einem oder mehreren Hinterschnitten ausgeführt, was zur Folge hat, dass der Rohrverdampfer gut und zuverlässig in dem oder den Kanälen gesichert ist.Preferably, the channels of the inner container are designed with one or more undercuts, with the result that the tube evaporator is well and reliably secured in the channel or channels.

In weiterer Ausgestaltung der vorliegenden Erfindung ist vorgesehen, dass die Kanäle mäanderförmig verlaufen und in den 180° Bögen nach außen hin offen sind, um Toleranzen der gebogenen Rohrverdampferrohre des Rohrverdampfers 80 auszugleichen. Die dabei auftretende Toleranz steigt mit der Entfernung zum Rohrbeginn des Rohrverdampfers 80.In a further embodiment of the present invention, it is provided that the channels meander and are open to the outside in the 180 ° bends in order to compensate for tolerances of the bent tube evaporator tubes of the tube evaporator 80. The occurring tolerance increases with the distance to the tube beginning of the tube evaporator 80th

Wie bereits ausgeführt, kann die Kanalrichtung horizontal oder vertikal an der Rückwand und in Richtung der Gerätetiefe oder -breite an der Gerätedecke verlaufen.As already stated, the channel direction can run horizontally or vertically on the rear wall and in the direction of the device depth or width on the device ceiling.

Der Verdampfer, der sich über die Rückwand und über den Deckenbereich erstrecken kann, wie er beispielsweise in Figur 3 - 7 ersichtlich ist, kann einstückig gefertigt sein oder auch aus mehreren Teilen bestehen, die beispielsweise durch eine Lokringverbindung miteinander in Verbindung stehen.The evaporator, which can extend over the back wall and over the ceiling area, as he for example in Figure 3-7 can be seen, may be made in one piece or even consist of several parts, which communicate with each other for example by a Lokringverbindung.

Grundsätzlich ist es des weiteren denkbar, dass der freihängende Verdampfer als Draht-auf-Rohr-Verdampfer ausgeführt ist.In principle, it is also conceivable that the free-hanging evaporator is designed as a wire-on-tube evaporator.

Durch die vorliegende Erfindung wird die Effizienz eines Kühl- und/oder Gefriergerätes gesteigert. Die Verdampfertechnologien ermöglichen bei einfacher und damit kostengünstiger Ausführung eine höhere Effizienz und einen niedrigeren Energieverbrauch und damit das Erreichen besserer Energieeffizienzklassen.By the present invention, the efficiency of a refrigerator and / or freezer is increased. Evaporator technologies, with a simple and therefore cost-effective design, allow for higher efficiency and lower energy consumption, and thus for better energy efficiency classes.

Aufgrund der Verwendung der genannten Abdeckung verbessert sich der optische Gesamteindruck des Kühl- bzw. Gefrierbereichs, da die Verdampfer so gestaltet und in das Gerät integriert sind, dass kein Kondensat an sichtbaren Stellen entstehen kann.Due to the use of said cover, the overall visual impression of the refrigerator or freezer area improves because the evaporators are designed and integrated into the appliance so that no condensate can form in visible places.

Claims (15)

Kühl- und/oder Gefriergerät mit wenigstens einem zu kühlenden Kompartiment, das zur Aufnahme von Kühl- und/oder Gefriergut dient, und mit wenigstens einem Kältemittelkreislauf, wobei der oder die Kältemittelkreisläufe zumindest zwei Verdampfer umfassen, die im Betrieb des oder der Kältemittelkreisläufe von Kältemittel durchströmt werden, dadurch gekennzeichnet, dass die zumindest zwei Verdampfer derart angeordnet sind, dass sie im Betrieb des oder der Kältemittelkreisläufe dasselbe zu kühlende Kompartiment des Kühl- und/oder Gefriergerätes kühlen.Refrigerating and / or freezing appliance with at least one compartment to be cooled, which serves to hold refrigerated and / or frozen goods, and with at least one refrigerant circuit, wherein the one or more refrigerant circuits comprise at least two evaporators, which in the operation of the refrigerant or refrigerant circuits be flowed through, characterized in that the at least two evaporators are arranged such that they cool the same to be cooled compartment of the refrigerator and / or freezer during operation of the refrigerant circuits or. Kühl- und/oder Gefriergerät nach Anspruch 1, dadurch gekennzeichnet, dass die zumindest zwei Verdampfer vom selben Verdampfertyp sind und/oder dieselbe Montageanordnung aufweisen und/oder von unterschiedlichen Verdampfertypen sind und/oder eine unterschiedliche Montageanordnung aufweisen.The refrigerator and / or freezer according to claim 1, characterized in that the at least two evaporators are of the same evaporator type and / or have the same mounting arrangement and / or are of different types of evaporators and / or have a different mounting arrangement. Kühl- und/oder Gefriergerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zumindest zwei Verdampfer in dem wenigstens einen Kältemittelkreislauf nacheinander oder parallel zueinander von Kältemittel durchströmt werden und/oder dass die zumindest zwei Verdampfer Bestandteil desselben oder unterschiedlicher Kältemittelkreisläufe sind.Cooling and / or freezing appliance according to claim 1 or 2, characterized in that the at least two evaporators in the at least one refrigerant circuit successively or in parallel flows through each other by refrigerant and / or that the at least two evaporators are part of the same or different refrigerant circuits. Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Montageanordnung der Verdampfer freihängend und/oder eingeschäumt ist und/oder dass die Verdampfertypen aus der Gruppe Rohr-auf-Blech, Z-Bond, Roll-Bond oder Draht-auf-Rohr ausgewählt sind.Cooling and / or freezing appliance according to one of the preceding claims, characterized in that the mounting arrangement of the evaporator is suspended and / or foamed and / or that the evaporator types from the group tube-on-sheet, Z-Bond, roll-bond or wire -on-tube are selected. Kühl- und/oder Gefriergerät mit wenigstens einem zu kühlenden Kompartiment, das zur Aufnahme von Kühl- und/oder Gefriergut dient, und mit wenigstens einem Kältemittelkreislauf, der zumindest einen Verdampfer umfaßt, der im Betrieb des Kältemittelkreislaufes von Kältemittel durchströmt wird und das wenigstens eine zu kühlende Kompartiment kühlt, dadurch gekennzeichnet, dass das Kompartiment wenigstens eine Rückwand und wenigstens eine Decke aufweist und dass der Verdampfer derart angeordnet ist, dass er sich sowohl im Bereich der Rückwand und auch im Bereich der Decke des Kompartimentes erstreckt und dass wenigstens ein Ventilator vorgesehen ist, der derart angeordnet ist, dass er im Betrieb des Ventilators eine Luftströmung über den Verdampfer oder über einen oder mehrere Teilbereiche des Verdampfers bewirkt.Cooling and / or freezer with at least one compartment to be cooled, which serves to hold refrigerated and / or frozen goods, and with at least one refrigerant circuit comprising at least one evaporator, which is flowed through by refrigerant during operation of the refrigerant circuit and the at least one cooled compartment to cool, characterized in that the compartment has at least one rear wall and at least one ceiling and that the evaporator is arranged such that it extends both in the region of the rear wall and in the region of the ceiling of the compartment and that provided at least one fan which is arranged so that it causes during operation of the fan, an air flow over the evaporator or over one or more portions of the evaporator. Kühl- und/oder Gefriergerät nach Anspruch 5, dadurch gekennzeichnet, dass in dem Kompartiment zumindest eine Abdeckung vorgesehen ist und dass sich der Verdampfer vollständig oder teilweise hinter dieser Abdeckung befindet.Cooling and / or freezing appliance according to claim 5, characterized in that in the compartment at least one cover is provided and that the evaporator is completely or partially behind this cover. Kühl- und/oder Gefriergerät nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass in dem Verdampfer wenigstens eine Ausnehmung vorgesehen ist, in der sich der Ventilator befindet und/oder dass der Verdampfer eine oder mehrere Ausnehmungen aufweist, die derart angeordnet sind, dass durch die Ausnehmung gelangendes Kondensat auf die Abdeckung läuft bzw. tropft.Cooling and / or freezing appliance according to claim 5 or 6, characterized in that in the evaporator at least one recess is provided, in the fan is located and / or that the evaporator has one or more recesses, which are arranged such that condensate passing through the recess runs or drips onto the cover. Kühl- und/oder Gefriergerät nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass der wenigstens eine Verdampfer hinsichtlich seiner Montageanordnung und/oder hinsichtlich des Verdampfertyps gemäß Anspruch 4 angeordnet bzw. ausgebildet ist und/oder dass der Verdampfer aus einem Stück gefertigt ist oder aus mehreren miteinander verbundenen Elementen besteht.Cooling and / or freezing appliance according to one of claims 5 to 7, characterized in that the at least one evaporator with respect to its mounting arrangement and / or with respect to the evaporator type according to claim 4 arranged and / or that the evaporator is made of one piece or consists of several interconnected elements. Kühl- und/oder Gefriergerät nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das Kühl- und/oder Gefriergerät gemäß einem der Ansprüche 1 bis 4 ausgebildet ist.The refrigerator and / or freezer according to one of claims 5 to 8, characterized in that the cooling and / or freezing device is designed according to one of claims 1 to 4. Kühl- und/oder Gefriergerät mit wenigstens einem zu kühlenden Kompartiment, das zumindest einen Innenbehälter zur Aufnahme von Kühl- und/oder Gefriergut aufweist, wobei der Innenbehälter zumindest bereichsweise von einer Ausschäumung zum Zwecke der Wärmeisolation umgeben ist, und mit wenigstens einem Kältemittelkreislauf, der zumindest einen Verdampfer umfaßt, der im Betrieb des Kältemittelkreislaufes von Kältemittel durchströmt wird und zur Kühlung des zu kühlenden Kompartimentes dient, dadurch gekennzeichnet, dass es sich bei dem Verdampfer vorzugsweise um einen Rohrverdampfer handelt und dass der Innenbehälter einen oder mehrere Kanäle aufweist, in denen der Verdampfer zumindest bereichsweise aufgenommen ist.Cooling and / or freezer with at least one compartment to be cooled, which has at least one inner container for holding refrigerated and / or frozen goods, wherein the inner container is at least partially surrounded by a foaming for the purpose of heat insulation, and with at least one refrigerant circuit, the comprises at least one evaporator, which is flowed through by refrigerant in the operation of the refrigerant circuit and is used for cooling the compartment to be cooled, characterized in that it is preferably in the evaporator is a tube evaporator and that the inner container has one or more channels, in which Evaporator is at least partially included. Kühl- und/oder Gefriergerät nach Anspruch 10, dadurch gekennzeichnet, dass der Verdampfer, vorzugsweise der Rohrverdampfer zumindest bereichsweise in der Ausschäumung aufgenommen ist oder an diese angrenzt.The refrigerator and / or freezer according to claim 10, characterized in that the evaporator, preferably the tube evaporator is at least partially included in the foaming or adjacent to this. Kühl- und/oder Gefriergerät nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass sich der oder die Kanäle in der Rückwand und/oder in der Decke des Innenbehälters befinden und/oder mit einem oder mehreren Hinterschnitten versehen sind und/oder dass die Kanäle in Breitenrichtung und/oder in Höhenrichtung und/oder in Tiefenrichtung des Innenbehälters verlaufen.Refrigerator and / or freezer according to claim 10 or 11, characterized in that the one or more channels in the rear wall and / or in the Cover the inner container are and / or provided with one or more undercuts and / or that the channels in the width direction and / or in the height direction and / or in the depth direction of the inner container. Kühl- und/oder Gefriergerät nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass ein Metallblech oder -band, insbesondere ein Aluminiumblech oder -band vorgesehen ist, das zum Zwecke der Vergrößerung der Verdampferoberfläche mit dem Verdampfer in Verbindung steht, vorzugsweise mit diesem verklebt ist.Cooling and / or freezing appliance according to one of claims 10 to 12, characterized in that a metal sheet or strip, in particular an aluminum sheet or strip is provided which is for the purpose of enlarging the evaporator surface with the evaporator in communication, preferably with this is glued. Kühl- und/oder Gefriergerät nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass das Kühl- und/oder Gefriergerät gemäß einem der Ansprüche 1 bis 9 ausgeführt ist.Cooling and / or freezing appliance according to one of claims 10 to 13, characterized in that the cooling and / or freezing appliance is designed according to one of claims 1 to 9. Kühl- und/oder Gefriergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kühl- und/oder Gefriergerät ein oder mehrere Ventile, insbesondere Magnetventile aufweist, die derart angeordnet sind, dass der Zulauf und/oder der Ablauf von Kältemittel zu und/oder von dem oder den Verdampfern mittels des oder der Ventile absperrbar und/oder veränderbar, vorzugsweise steuerbar oder regelbar ist.Cooling and / or freezing appliance according to one of the preceding claims, characterized in that the cooling and / or freezing device has one or more valves, in particular solenoid valves, which are arranged such that the inlet and / or the outlet of refrigerant to and / / or by the one or more evaporators by means of the valve or valves can be shut off and / or changed, preferably controlled or regulated.
EP11009401.8A 2010-12-03 2011-11-28 Refrigeration and/or freezer device Not-in-force EP2461125B1 (en)

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