EP0672876B1 - Réfrigérateur comportant des parois isolées sous vide - Google Patents

Réfrigérateur comportant des parois isolées sous vide Download PDF

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Publication number
EP0672876B1
EP0672876B1 EP94116778A EP94116778A EP0672876B1 EP 0672876 B1 EP0672876 B1 EP 0672876B1 EP 94116778 A EP94116778 A EP 94116778A EP 94116778 A EP94116778 A EP 94116778A EP 0672876 B1 EP0672876 B1 EP 0672876B1
Authority
EP
European Patent Office
Prior art keywords
door
refrigerator according
wall
receptacle
edge
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.)
Expired - Lifetime
Application number
EP94116778A
Other languages
German (de)
English (en)
Other versions
EP0672876A1 (fr
Inventor
Heinz Dr.-Ing. Jürgensen
Günter Dipl.-Ing. Krug
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.)
AEG Hausgeraete GmbH
Original Assignee
AEG Hausgeraete 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
Application filed by AEG Hausgeraete GmbH filed Critical AEG Hausgeraete GmbH
Publication of EP0672876A1 publication Critical patent/EP0672876A1/fr
Application granted granted Critical
Publication of EP0672876B1 publication Critical patent/EP0672876B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • 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
    • F25D23/02—Doors; Covers
    • F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • the invention relates to a cooling device with vacuum-insulated Walls.
  • the refrigerator of the type mentioned has therefore special properties that arise due to the required Gas impermeability due to the use of metallic Walls result.
  • Such metallic walls behave counterproductive to the possibility of using the inner wall Attachment of holding elements, guide rails and the like manipulate. This manipulation is essentially limited to welding, always brings with it the danger of tiny capacities can occur through which the cooling device more or less quickly loses the vacuum.
  • the invention is therefore based on the object Refrigerator or freezer of the type mentioned Specify measures by which it is simple it is possible to accommodate built-in parts in the refrigerator, whereby this while avoiding manipulation of the Container walls or the inner door shell should be done.
  • the inner wall of the door can also be fitted with an appropriate one Step heel may be provided, but it can also be the upper horizontal, outward-facing side edge as a support serve for the support element reaching in front of the inner door wall.
  • the support element is around the peripheral outer edge of the door Thermal insulation profile placed with a web in the cold room protrudes on which the support element may additionally can be held.
  • the support element is there especially as covering the inner door wall and the Door hood overlapping the outer edge of the door is subsequently placed on the inside of the door and Holding elements for door storage compartments and the like.
  • the support element to be inserted into the cooling container is especially in the form of a usual Plastic inner container designed as for cooling devices with foam insulation.
  • This Inner container is preferably the inner contour of the Adapted cooling container and consists of deep-drawn or molded plastic with the necessary horizontal Guide rails for refrigerated goods shelves to be inserted, Holding elements for control and lighting devices, being especially on its back for an evaporator corresponding holding elements can be provided.
  • the Evaporator can be between the back of the Inner container and the rear of the cooling container be provided if its arrangement inside the Inner container is not desired.
  • Can on the inner container grooves are also provided from the outside inwards be in which electrical lines or for example Capillary pipelines of a hydraulic thermostat can be relocated.
  • this Inner container can be attached directly on the bottom wall of the cooling container will. However, it is also possible to use it on step heels the vertical side walls, if between the Bottom of the inner container and the bottom wall of the A free space for e.g. vegetables, Fruit or meat bowls should remain. Of the Inner container can then be reduced accordingly Material costs are trained. The bottom of the Inner container then serves as an additional storage space, with a shortening of the inner container in height also its top can be used as a storage shelf can.
  • the inner container is preferably followed radially outside angled container rim equipped one the cooling container edge surrounding the access opening spreads.
  • This container edge determines the insertion depth and forms a front end of the insulating walls of the inner container and at the same time protects mechanically thin ones Closing films that have excessive heat transfer from the cooled inner walls to the outer walls with vacuum tight Avoid conclusion.
  • the edge of the container can at the same time for between the cooler and the door required seal can be exploited, it is expedient, a magnetizable on the edge of the container Sheet metal strips as a magnetic opposite pole for one of the doors attach the associated magnetic profile seal.
  • the inner door hood placed on the inner wall of the door is preferably used as a support element in the area of Pulled out the outer edge of the door and there carries the circumferential Magnetic profile seal.
  • the inside walls of the cooler like the door as a whole does not need any special holding elements to be attached or molded to show. This is particularly advantageous if the Inner surfaces and outer surfaces of the heat-insulated walls Consist of stainless steel for reasons of gas diffusion tightness, which is difficult to deep-draw and the rest of the attachment of holding elements only by welding to the not to reduce the necessary gas tightness.
  • This Thermal insulation profile can also be a self-contained Be formed frame, which is fixed on the outer edge of the door and carries the inner door hood.
  • the invention is based on the Principle representations of an embodiment closer explained.
  • a cooling device in particular as a cooling and / or Freezer or chest is designed, has a Cooling container 1, the one to be cooled enclosing cooling space 2 and its one Cooling rim 3 enclosed access opening by means of a door 4 can be closed tightly.
  • the cooling container 1 as the door 4 have fully vacuum-insulated walls, at which in the cavity between made of stainless steel sheet Outer walls 5 and inner walls 6 a heat insulating Support means 7 made of a powder or fibers is. The cavity is used to create a high quality Thermal insulation at least largely evacuated.
  • the inner walls 6 are for manufacturing reasons leave smooth and point only if necessary, continuous tiered deductions, such as in the rear wall 8 of the refrigerator 2, the case is one for housing a compressor or other To be able to provide components required niche 9.
  • the Rear wall 8 is therefore in the manner of one in the cooling space 2 drawn stage 10 formed with the accordingly shortened bottom wall 11 is connected.
  • the inner container 12 has closed surface elements and is particularly in Plastic deep drawing process drawn from a board or manufactured by spraying.
  • This inner container 12 can with all necessary holding elements such as horizontal Guide strips 13 for storage shelves to be inserted vertical, opposing side walls 14, one Groove 15 for guiding an electrical cable 16 for an im Inner container 12 to be attached lighting device and a capillary tube 17 for a likewise in inner container 12 Record the intended temperature controller.
  • the inner container 12 is preferably designed so that its side walls 14 lie close to the adjacent inner walls 6 and his floor 18 with the level 10 adapted to level 19 the bottom wall 11 or level 10 rests. Also the Ceiling wall 20 of the inner container 12 can be close to the relevant wall in the cold room 2 be created.
  • a Leave gap in the evaporator 22 preferably one Plate evaporator is arranged.
  • the evaporator 22 is attached to holding elements attached to the inner container 12 are molded. However, the evaporator 22 can also inside the inner container on the rear wall 21 be fixed.
  • the inner container 12 is with a radially outward angled, circumferential container edge 23 provided overlaps the cooling container edge 3 all around.
  • This Container edge 23 limits the insertion depth of the Inner container 12 in the cooling room 2 and forms part a sealing arrangement between the door 4 and the Refrigerated goods container 1.
  • the container rim 23 with a magnetizable, especially formed from sheet steel Strip 24 as a magnetic opposite pole for one of the door 4 assigned associated magnetic profile seal 25.
  • the container edge 23 covers the zone in the area of Cooling container edge 3, in which the inner wall with the Outside wall by a vacuum-tight and attached sealing membrane 26 is connected.
  • this sealing membrane 26 to the outside with a stable cover strip 27 against Protect damage.
  • the door 4 is vacuum-insulated Wall element provided with an inner wall 6 which is smaller than the outer wall 5, which is there for use sealing membrane 28 reaching between the two walls 5, 6 all around is staged to the effect of To be able to optimally use vacuum insulation.
  • To protect the stepped sealing membrane 28 is one of these Provided step-shaped thermal insulation profile 29, the is designed in particular as a closed frame and all around the sealing membrane 28 covers.
  • the thermal insulation profile 29 additionally has a web projecting into the cooling space 30, which also rotates and one also in the Fridge 2 angled edge 31 of inner door wall 6 is fixed.
  • the thermal insulation profile 29 also extends to the outer door edge 32, which as an angled edge of the Door outer plate 5 is formed and an escape with the adjacent outer wall 5 of the container.
  • an inner door hood 33 put on also from a plastic board drawn or produced by plastic injection molding can and by the thermal insulation profile 29 with web 30th follows predetermined contour and radially into the area of Door outer edge 32 is sufficient.
  • the inner door shell 33 has in the edge area a circumferential adapted to the web 30 Formation 34 on.
  • the web 30 thus acts as a holding element for the inner door shell 33, which also in the same way stage like the thermal insulation profile 29 or the sealing membrane 28 is discontinued and so with her stepped off Door hood outer edge 35 towards the outer door wall 5 sloping, formed on the thermal insulation profile 29 Door edge step 36 overlaps.
  • the inner door cover 33 is like this centered on the web 30 or on the door edge step 36, wherein the horizontal parts of the web 30 or the upper Door edge step 36 that occurs on the door hood 33 Catch weight forces.
  • the area of Door hood outer edge 35 is the Magnetic profile seal 25 with the magnetizable Strips 24 on the container rim 23 with the door 4 closed cooperates. That between the outer door edge 32 and the Door hood outer edge 35 forms an inserted thermal insulation profile 29 as a continuous closed one-piece frame Easy way to attach the inner door cover 33.
  • the formation 34 which is engaged by the web 30 is also included Holding elements 37 in the region of vertical sections the formation 34 provided. On such holding elements 37 door racks or the like can be fixed. To the horizontal parts of the Formation 34, which is a completely closed holding frame form, the inner door cover 33 is additionally supported.
  • the interior can for functional parts, such as evaporators, storage plates, Lighting or controller and the like. Without interfering with the vacuum-insulated walls. Let it go the support elements 12, 33 used later rounded edges ergonomic and easy to clean form.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (16)

  1. Appareil de réfrigération et/ou de congélation avec des parois isolées sous vide, dont les surfaces intérieures métalliques lisses renferment une enceinte de réfrigération, où prend appui sur au moins un tronçon horizontal (10, 11) d'une paroi intérieure (6, 8) un élément de support propre (12, 33) qui est réalisé sous forme d'élément de surface fermé avec des éléments de retenue rapportés (13, 15, 37) pour des clayettes pour produits réfrigérés ou analogues et qui s'applique avec un faible jeu ultérieurement à une ou plusieurs des parois intérieures (6, 8, 10, 11 ).
  2. Appareil de réfrigération selon la revendication 1, caractérisé en ce qu'il est inséré dans un compartiment réfrigérateur (1) isolé sous vide, entourant l'enceinte de réfrigération proprement dite, dont l'ouverture d'accès peut être fermée par une porte (4) ou un couvercle, comme élément de support propre, un compartiment intérieur (21) adapté notamment au contour intérieur en matière synthétique embouti profond ou injectée qui repose sur la paroi de fond (11) et/ou au moins un gradin de paroi (10) du compartiment réfrigérateur (1).
  3. Appareil de réfrigération selon la revendication 2, caractérisé en ce que le compartiment intérieur (12), avec un bord de compartiment (23) coudé radialement vers l'extérieur, passe sur un bord de compartiment réfrigérateur (3) entourant l'ouverture d'accès.
  4. Appareil de réfrigération selon la revendication 3, caractérisé en ce que le bord de compartiment (23) porte une bande en tôle d'acier (24) comme contre-pôle magnétique pour un joint d'étanchéité de profilé magnétique (25) associé au bord de couvercle ou de porte.
  5. Appareil de réfrigération selon la revendication 1 ou l'une des suivantes, caractérisé en ce qu'il est prévu une porte isolée sous vide (4) sur la paroi intérieure (6) de laquelle est placée un capot intérieur de porte (33) avec des éléments de retenue (37) pour des aires de rangement de porte ou analogue, comme élément de support propre.
  6. Appareil de réfrigération selon la revendication 5, caractérisé en ce que le capot intérieur de porte (33) s'étend radialement jusque dans la zone de l'arête extérieure de porte (32) et y est pourvu d'une garniture d'étanchéité (25) s'étendant tout autour.
  7. Appareil de réfrigération selon la revendication 5 ou 6, caractérisé en ce que le bord extérieur de capot de porte (35) est réalisé en forme de gradin et passe sur un gradin d'arête de porte (36) incliné vers la paroi extérieure de porte (5).
  8. Appareil de réfrigération selon la revendication 5 ou l'une des suivantes, caractérisé en ce qu'il est placé entre le bord extérieur de porte (32) et le bord extérieur de capot de porte (35) un profilé calorifuge (29).
  9. Appareil de réfrigération selon la revendication 8, caractérisé en ce que le profilé calorifuge (29) est réalisé sous forme de cadre fermé s'étendant tout autour au voisinage du bord extérieur de porte (32), qui est fixé au bord extérieur de porte (32) et qui porte le capot intérieur de porte (33).
  10. Appareil de réfrigération selon la revendication 8 ou 9, caractérisé en ce que le profilé calorifuge (29) présente une baguette faisant saillie sur la paroi intérieure de porte (6) vers l'enceinte de réfrigération (2) qui s'engage dans une formation adaptée (34) du capot intérieur de porte (33).
  11. Appareil de réfrigération selon la revendication 10, caractérisé en ce que des éléments de retenue (37) sont prévus sur les formations (34).
  12. Appareil de réfrigération selon la revendication 10 ou 11, caractérisé en ce que les formations (34) sont réalisées sous forme de baguette qui constituent un cadre de retenue fermé tout autour.
  13. Appareil de réfrigération selon la revendication 2 ou l'une des suivantes, caractérisé en ce qu'il est disposé entre la paroi arrière (21) du compartiment intérieur (12) et la paroi arrière associée (3) du compartiment réfrigérateur (1) un élément d'évaporation (22).
  14. Appareil de réfrigération selon la revendication 2 ou l'une des suivantes, caractérisé en ce que le compartiment intérieur (12) présente des empreintes de rainure (13, 15) orientées de l'extérieur vers l'intérieur pour des pièces de fonctionnement, comme des fonds de clayette, l'évaporateur (22), pour des conduites tubulaires ou électriques (16, 17) et des éléments de réglage ou d'éclairage.
  15. Appareil de réfrigération selon la revendication 2 ou l'une des suivantes, caractérisé en ce que le compartiment intérieur (12) est supporté à une certaine distance du fond (11) de l'enceinte de réfrigération (2).
  16. Appareil de réfrigération selon la revendication 2 ou l'une des suivantes, caractérisé en ce que le compartiment intérieur (12) se termine à une certaine distance en dessous de la paroi supérieure de l'enceinte de réfrigération (2).
EP94116778A 1994-03-17 1994-10-25 Réfrigérateur comportant des parois isolées sous vide Expired - Lifetime EP0672876B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4409091A DE4409091A1 (de) 1994-03-17 1994-03-17 Kühlgerät mit vakuumisolierten Wänden
DE4409091 1994-03-17

Publications (2)

Publication Number Publication Date
EP0672876A1 EP0672876A1 (fr) 1995-09-20
EP0672876B1 true EP0672876B1 (fr) 1998-05-13

Family

ID=6513044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116778A Expired - Lifetime EP0672876B1 (fr) 1994-03-17 1994-10-25 Réfrigérateur comportant des parois isolées sous vide

Country Status (2)

Country Link
EP (1) EP0672876B1 (fr)
DE (2) DE4409091A1 (fr)

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US9476633B2 (en) 2015-03-02 2016-10-25 Whirlpool Corporation 3D vacuum panel and a folding approach to create the 3D vacuum panel from a 2D vacuum panel of non-uniform thickness
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US11052579B2 (en) 2015-12-08 2021-07-06 Whirlpool Corporation Method for preparing a densified insulation material for use in appliance insulated structure
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US10610985B2 (en) 2015-12-28 2020-04-07 Whirlpool Corporation Multilayer barrier materials with PVD or plasma coating for vacuum insulated structure
US10018406B2 (en) 2015-12-28 2018-07-10 Whirlpool Corporation Multi-layer gas barrier materials for vacuum insulated structure
US10807298B2 (en) 2015-12-29 2020-10-20 Whirlpool Corporation Molded gas barrier parts for vacuum insulated structure
US11247369B2 (en) 2015-12-30 2022-02-15 Whirlpool Corporation Method of fabricating 3D vacuum insulated refrigerator structure having core material
EP3443284B1 (fr) 2016-04-15 2020-11-18 Whirlpool Corporation Structure de réfrigérateur à isolation sous vide, dotée de caractéristiques tridimensionnelles
EP3443285B1 (fr) 2016-04-15 2021-03-10 Whirlpool Corporation Armoire de réfrigérateur à isolation sous vide
WO2018022007A1 (fr) 2016-07-26 2018-02-01 Whirlpool Corporation Coupe-garniture à structure isolée sous vide
US11391506B2 (en) 2016-08-18 2022-07-19 Whirlpool Corporation Machine compartment for a vacuum insulated structure
US10352613B2 (en) 2016-12-05 2019-07-16 Whirlpool Corporation Pigmented monolayer liner for appliances and methods of making the same
CN113771284B (zh) 2017-10-05 2023-07-14 惠而浦公司 用于结合在器具内的隔热结构的填充端口
JP6784713B2 (ja) * 2018-02-07 2020-11-11 東芝ライフスタイル株式会社 断熱箱体
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Publication number Priority date Publication date Assignee Title
DE202004011664U1 (de) * 2004-07-26 2005-12-15 Liebherr-Hausgeräte Lienz Gmbh Kühlgerät

Also Published As

Publication number Publication date
DE4409091A1 (de) 1995-09-21
DE59405957D1 (de) 1998-06-18
EP0672876A1 (fr) 1995-09-20

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