EP2778582B1 - Gefaltete vakuumisolierte Struktur - Google Patents

Gefaltete vakuumisolierte Struktur Download PDF

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Publication number
EP2778582B1
EP2778582B1 EP14158619.8A EP14158619A EP2778582B1 EP 2778582 B1 EP2778582 B1 EP 2778582B1 EP 14158619 A EP14158619 A EP 14158619A EP 2778582 B1 EP2778582 B1 EP 2778582B1
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EP
European Patent Office
Prior art keywords
sheet
cabinet
retaining structure
vacuum insulated
floor
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EP14158619.8A
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English (en)
French (fr)
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EP2778582A3 (de
EP2778582A2 (de
Inventor
Nihat Cur
James Kendall
Axel Julio Ramm
Guolian Wu
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Whirlpool Corp
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Whirlpool Corp
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Priority claimed from US13/837,659 external-priority patent/US8986483B2/en
Application filed by Whirlpool Corp filed Critical Whirlpool Corp
Publication of EP2778582A2 publication Critical patent/EP2778582A2/de
Publication of EP2778582A3 publication Critical patent/EP2778582A3/de
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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
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • Known refrigerator cabinets may include inner and outer side walls with a layer of insulating material such as polyurethane foam disposed between the inner and outer side walls.
  • the foam provides insulation for the cabinet structure.
  • US 5,273,801 discloses a thermoformed vacuum insulation panel which can be installed between a refrigerator cabinet and a refrigerator liner.
  • US-A-6,109,712 discloses a thermally insulated cabinet structure and a method of forming it on which the precharacterizing portion of claim 1 is based.
  • EP-A1-0860669 also discloses a thermally insulated cabinet in which the cabinet walls include gas-tight containers filled with a charging gas and continuous spacing core, the interior of the gas-tight container communicating with a gas-storage container to absorb the charging gas to reduce the gas pressure inside the gas-tight container.
  • known cabinet constructions may suffer from various drawbacks.
  • One aspect of the present invention is a method of fabricating a refrigerator having a vacuum insulated cabinet as defined in claim 1.
  • a refrigerator 1 includes a vacuum insulated cabinet structure 2.
  • the vacuum insulated cabinet structure 2 includes upright side walls 4A and 4B, an upper horizontal wall 6, and a generally horizontal lower wall 8 (see also Fig. 2 ). Doors 10A and 10B are moveably mounted to the cabinet structure 2 in a known manner.
  • the vacuum insulated cabinet structure 2 may include a first cabinet structure or portion 12 and a liner 14.
  • Liner 14 may be thermoformed from polymer material utilizing known materials and processes.
  • the first portion 12 comprises sheet metal that is bent to form side walls 4A and 4B, upper horizontal wall 6, floor structure 18, and an optional rear wall 16.
  • the first portion 12 defines an interior space 20 that receives liner 14. Insulating materials such as polyurethane foam may be injected between liner 14 and first portion 12.
  • floor structure 18 includes a horizontal first portion 22, a vertical second portion 24, and a horizontal third portion 26.
  • Third portion 26 is elevated relative to first portion 22 to define an exterior component mounting space 28 that may be utilized to mount a compressor and/or other cooling system components outside of insulated interior space 19 of vacuum insulated cabinet structure 2.
  • the first portion 12 includes a plurality of vacuum insulated panels 30A-30G that are positioned on inner sides of metal outer layer 32 of first portion 12.
  • the vacuum insulated panels 30A-30G are positioned between metal outer layer 32 of vacuum insulated cabinet structure 2 and the polymer inner liner 14.
  • Doors 10A and 10B may be vacuum insulated in a manner that is substantially similar to the vacuum insulated cabinet structure 2, or the doors 10A and 10B may include a known insulation material such as foam insulation 34A and 34B.
  • a layer of sheet metal is cut to form a blank 36 having an elongated rectangular portion 38 defining elongated opposite edges 40A and 40B, and end edges 42A and 42B.
  • the blank 36 may optionally include a transversely-extending portion 44 that is utilized to form rear wall 16 of first portion 12 of vacuum insulated cabinet structure 2.
  • the blank 36 includes a plurality of panel regions 46A-46G.
  • the blank 36 also defines a plurality of fold lines 48A-48C extending between opposite side edges 40A and 40B to define the boundaries of panel regions 46A-46D.
  • a plurality of fold lines 48D-48F extend between panel regions 46E-46G. It will be understood that the fold lines 48A-48F do not necessarily comprise actual lines marked on blank 36, but rather represent lines where the blank 36 is to be folded.
  • a plurality of vacuum insulated panels 20A-20G are formed on panel regions 46A-46G (see also Fig. 5 ).
  • insulated panel 20D includes a polymer retaining structure 50.
  • the polymer retaining structure 50 is preferably thermoformed from a sheet of material that includes one or more layers of a thermoplastic material such as high impact polystyrene that is laminated to a barrier layer.
  • the barrier layer may comprise ethylene vinyl alcohol (EVOH) or other material (e.g. metal foil) that forms a barrier with respect to gasses and water vapor.
  • EVOH ethylene vinyl alcohol
  • the barrier layer preferably retains a vacuum in vacuum space 52 sufficient to prevent the thermal conductivity of the insulated panels from exceeding a value that is 200% of an initial value for at least 10 years.
  • the retaining structure 50 includes a planar main wall 54 and transversely extending side walls 56A-56D (see also Fig.
  • the polymer retaining structure 50 includes a flange 60 extending around retaining structure 50 to define a perimeter 58.
  • the perimeter 58 (flange 60) of retaining structure 50 is configured to follow the contours of panel region 46A. It will be understood that the size and shape of each polymer retaining structure 50 depends on the size and shape of the panel region 46A-46G for which the polymer retaining structure 50 is configured.
  • the blank 36 is formed from a sheet of material having a metal layer 62 comprising low carbon steel or other suitable metal, and a heat sealable polymer layer 64 laminated to the metal layer 62.
  • the polymer retaining structure 50 is connected to the blank 36 by sealing the flange 60 to polymer layer 64 to thereby form the air-tight interior vacuum space 52.
  • Flange 60 can be sealed to polymer layer 64 utilizing a heat sealing process, mechanical pressure, adhesives, or other suitable process.
  • a plurality of pouches 66 Prior to sealing polymer retaining structure 50 to blank 36, a plurality of pouches 66 are positioned on the panel regions 46A-46G.
  • Pouches 66 comprise an outer layer 68, and filler material 70 that is disposed inside the outer layer 68.
  • the filler material 70 may comprise silica powder or other suitable filler material of a type used in vacuum insulated panels.
  • the outer layer 68 may comprise paper or other material that permits air to escape from inside the pouch 66, while retaining the filler material 70 inside the pouch 66.
  • the pouches 66 include outer sides 72, inner sides 73 and peripheral edge 76.
  • the pouches 66 are relatively thin, and the edges 76 of the pouches 66 preferably have a shape that conforms to the shape of panel regions 46A-46G.
  • the pouches 66 are positioned on panel regions 46A-46G, and polymer retaining structures 50 are positioned over the pouches 66.
  • the entire blank 36 may then be positioned within a vacuum chamber (not shown), and the flanges 60 of the polymer retaining structures 50 are then sealed to the heat sealable polymer layer 64 of blank 36 to form interior vacuum spaces 52, with pouches 66 being disposed within the interior vacuum spaces 52.
  • the blank 36 can then be removed from the vacuum chamber.
  • each polymer retaining structure 50 may be sealed to polymer layer 64 in a vacuum chamber
  • the polymer retaining structure 50 can also be sealed to the polymer layer 64 along only a portion of flange 60 prior to positioning the blank 36 in a vacuum chamber. After the blank 36 is positioned within a vacuum chamber, the previously unsealed portion of flange 60 can then be sealed to polymer layer 64 in a vacuum chamber.
  • the blank 36 is deformed along fold lines 48A-48F to thereby form the first portion 12 (see also Fig. 2 ) of the vacuum insulated cabinet structure 2.
  • the side walls 56A-56D of polymer retaining structure 50 may be angled inwardly as shown in Fig. 6 at an angle of approximately 45 degrees, such that the side walls 56 of adjacent panel regions 46A-46G are closely fitted against one another after folding of blank 36.
  • some of the side walls 56 may be substantially orthogonal to the blank 36 if required.
  • the side wall 56C of vacuum insulated panel 20D may be orthogonal because the side wall 56C is not adjacent a fold line, but rather fits closely adjacent a flange 78 ( Fig. 2 ) of liner 14 when assembled.
  • the edges of the blank 36 can be interconnected by welding, deforming, or other suitable process to form corners 82A-82C ( Figs. 2 and 3 ).
  • liner 14 can then be inserted into space 19 of first portion 12 of vacuum insulated cabinet structure 2.
  • Polyurethane foam or the like may be injected between liner 14 and first cabinet structure 12 to fill gaps that may remain along the edges of vacuum insulated panels 20.
  • refrigerator 1 may include a cooling system 84.
  • the cooling system 84 may include an electrically powered compressor 86 and/or other components mounted in exterior component mounting space 28.
  • Refrigerator 1 may also include a divider 88 disposed within interior space 19.
  • Divider 88 is configured to receive mechanical equipment for operating various functions of the refrigerator.
  • a cooling module 90 may be disposed within interior volume 92 of divider 88 to cool the compartments on opposite sides of divider 88.
  • cooling module 90 may be operably connected to compressor 86 and/or other components by utility lines 94A and 94B.
  • the utility lines 94A and 94B pass through rear panel 16 at fittings 96A and 96B, respectively.
  • the fittings 96A and 96B seal off the vacuum space 52 to ensure the space 52 maintains a vacuum.
  • the utility lines 94A and 94B may comprise coolant lines, and cooling module 90 may comprise an evaporator and fan unit. Utility lines 94A and 94B may further comprise electrical lines to provide power for a fan of cooling module 90.
  • utility lines 94A and 94B may also extend through third portion 26 of floor structure 18 at a fitting 96. If the utility lines 94A and 94B are routed into interior space 19 as shown in Fig. 8 , the utility lines 94A and 94B may be routed directly adjacent inner surface 98 of first portion 12 of the cabinet structure 2, between liner 14 and one or more insulated panels 20A-20G. As discussed above, polyurethane foam or the like can be injected into the space between liner 14 and vacuum insulated panels 20A-20G. Accordingly, the utility lines 94A and 94B may be embedded in the polyurethane foam.
  • a vacuum insulated cabinet structure 102 is constructed in a manner that is substantially similar to the vacuum insulated cabinet structure 2 described in more detail above.
  • the insulated cabinet structure 102 includes a rear panel assembly 16A having a vertical panel portion 16B that may comprise a vacuum insulated panel, or it may comprise a conventional insulated panel having polyurethane foam disposed internally.
  • Rear panel 16A may include a partition 88A that includes cooling modules (not shown) that are operably connected to a compressor (also not shown) that is disposed in an exterior space 28A.
  • the vacuum insulated cabinet structure 102 may include a plurality of vacuum insulated panels 120 that are substantially similar to the vacuum insulated panels 20A-20G described in more detail above.
  • the vacuum insulated cabinet structure 102 is fabricated in substantially the same manner as described in more detail above in connection with Figs. 4-6 .
  • the blank 36 utilized to form vacuum insulated cabinet structure 102 does not include a panel region 46G ( Fig. 4 ), such that an enlarged rear opening 100 is formed in vacuum insulated cabinet structure 102.
  • floor structure 118 may be formed from a separate blank 36A, and vacuum panels 120B, 120E and 120F may be formed at panel regions 146B, 146E and 146F.
  • a front flange 101 may, when assembled, be connected to flange 78 of a liner 14 ( Fig. 2 ), and an upright rear flange 103 may be connected to rear panel wall 16B.
  • Panels 99A and 99B may be secured to the floor structure 118 to close off open ends 97A and 97B of exterior space 28A.
  • the panels 99A and 99B may include one or more apertures (not shown) to provide for routing of utility lines from a compressor or other cooling system component disposed in exterior space 28A to a location within the interior space 119 of insulated cabinet structure 102.
  • rear panel 16B may comprise a panel structure having inner and outer side walls with a polyurethane foam insulating material disposed in an interior space of the panel 16B.
  • Utility lines from a compressor or other component disposed in exterior space 28A may be routed within panel 16B to an evaporator, fan, and/or other such components disposed within divider 88.
  • a liner 14 ( Fig. 2 ) may be inserted into interior space 119 ( Fig. 10 ) of vacuum insulated cabinet structure 102.
  • Figs. 12-19 show additional embodiments of refrigerators according to the present invention.
  • Figs. 12 and 13 show a refrigerator 201A
  • Figs. 14 and 15 show a refrigerator 201B
  • Figs. 16 and 17 show a refrigerator 201C
  • Figs. 18 and 19 show a refrigerator 201D.
  • the insulated cabinet structures 202A-202D of refrigerators 201A-201D respectively may comprise vacuum insulated cabinets constructed as described in more detail above in connection with Figs. 1-11 .
  • the insulated cabinet structures 202A-202D may include conventional insulation such as polyurethane foam or the like.
  • the refrigerators 201A-201D include partitions 288A-288D that include cooling modules 290A-290D that provide independent cooling for compartments 210A-210D and 220A-220D formed on opposite sides of the partitions 288A-288D.
  • the compartments 210A-210D may comprise fresh food compartments that are maintained at a first temperature that is above freezing
  • the compartments 220A-220D may comprise freezer compartments that are maintained at a temperature below freezing.
  • Openings 205A-205D may be formed in the insulated cabinet structures 202A-202D to provide for venting of heated air produced by the cooling modules 290A-290D.
  • Refrigerators 201A-201D may include exterior spaces 228A-228D that are substantially similar to the space 28 described in more detail above in connection with Figs. 1-9 .
  • a compressor (not shown) may be mounted in the spaces 228A-228D of refrigerators 201A-201D, and coolant lines (not shown) may be routed to the cooling modules 290A-290d through the insulated cabinet structure 202 as described in more detail above in connection with Figs. 1-11 .
  • the cooling modules 290A-290D may include a compressor, such that the compressor is not mounted in the external spaces 228A-228D.
  • cooling module 290A may comprise a thermoelectric cooling unit that does not include a compressor, such that substantially all of the components can be mounted within the modules 290A-290D.
  • refrigerator 201A includes an upper fresh food compartment 210A, and a lower freezer compartment 220A.
  • refrigerator 201B includes a fresh food compartment 210B and a freezer compartment 220B that are disposed in a side-by-side configuration.
  • refrigerator 201C includes an upper freezer compartment 220C and a lower fresh food compartment 210C.
  • refrigerator 201D includes a fresh food compartment 210D and a freezer compartment 220D.
  • Refrigerator 201D also includes a third compartment 225D.
  • the third compartment 225D may be maintained at a third temperature that is not equal to the temperatures of compartments 210D and 220D.
  • Third compartment 225D may be operably connected to compartments 210D and/or 220D by powered "air doors" (not shown) in partitions 288D and 214D.
  • the air doors may be configured to open as required to permit airflow between third compartment 225D and compartments 210D and/or 220D to thereby control the temperature of third compartment 225D.
  • the temperature of third compartment 225D may also be independently controlled utilizing other known arrangements.

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  • 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)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (15)

  1. Verfahren zur Herstellung eines vakuumisolierten Kühlschranks (2), wobei das Verfahren Folgendes umfasst:
    Bereitstellen einer ersten Materialplatte (36), wobei die erste Platte (36) eine Metallschicht (62) umfasst;
    Bereitstellen einer Haltestruktur (50), die eine Barriere in Bezug auf Gase und Wasserdampf bildet;
    Positionieren von porösem Füllmaterial (70) zwischen der ersten Platte (36) und der Haltestruktur (50);
    Versiegeln der ersten Platte (36) und der Haltestruktur (50) miteinander, um eine Dichtlinie zu bilden, die sich um das poröse Füllmaterial erstreckt, um einen luftdichten Raum (52) zu bilden, der das poröse Füllmaterial (70) enthält;
    Bilden eines Vakuums in dem luftdichten Raum (56); und
    Falten der erste Platte (36), um den vakuumisolierten Kühlschrank (2) mit der ersten Materialplatte (36) zu bilden, die eine äußere Schrankschale des Kühlschranks (2) bildet; dadurch gekennzeichnet, dass:
    die erste Platte (36) ferner eine thermoplastische Polymerschicht (64) umfasst, die an die Metallschicht (62) laminiert ist.
  2. Verfahren nach Anspruch 1, wobei die Haltestruktur (50) eine oder mehrere Schichten eines thermoplastischen Materials umfasst, das an eine Barriereschicht laminiert ist.
  3. Verfahren nach Anspruch 1 oder 2, wobei:
    der Schritt des Bereitstellens einer ersten Materialplatte (36) ferner das Bilden eines äußeren Schrankschalenzuschnitts aus der ersten Platte (36) umfasst, wobei der Zuschnitt einen länglichen Abschnitt (38) enthält, der einen allgemein rechteckigen Umfang mit länglichen Seitenrändern (40A und 40B) und Endrändern (42A, 42B) aufweist, die sich zwischen den Seitenrändern (40A, 40B) erstrecken, wobei der Zuschnitt eine Vielzahl von Faltlinien definiert, die sich zwischen den Seitenrändern erstrecken, um eine Vielzahl von allgemein planaren Elementbereichen (46A-G) zu definieren, und wobei der äußere Schrankschalenzuschnitt die thermoplastische Polymerschicht (64) als eine Außenschicht auf einer ersten Seite der Platte (36) umfasst;
    der Schritt des Positionierens von porösem Füllmaterial (70) zwischen der ersten Platte (36) und der Haltestruktur (50) das Bereitstellen einer Vielzahl von Beuteln (66) umfasst, die das poröse Füllmaterial (70) aufweisen, das in den Beuteln (66) angeordnet ist, und das Positionieren der Beutel (66) auf der ersten Seite des äußeren Schrankschalenzuschnitts umfasst, um die Elementbereiche (46A-G) abzudecken;
    der Schritt des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander das Versiegeln der Haltestruktur (50) an der Schicht von thermoplastischem Polymer (64) um die Beutel (66) umfasst, sodass die Beutel (66) in dem luftdichten Raum (52) versiegelt sind, der zwischen der Schicht von thermoplastischem Polymer (64) und der Haltestruktur (50) gebildet ist;
    der Schritt des Faltens der ersten Platte (36), um einen vakuumisolierten Kühlschrank (2) zu bilden, das Falten des Schrankschalenzuschnitts entlang der Faltlinien (48A-C) umfasst, um die vakuumisolierte Schrankstruktur (2) zu bilden, die aufrechte Außenseitenwände (4A, 4B) und eine Querwand (6, 8) aufweist, die sich zwischen den Außenseitenwänden (4A, 4B) erstreckt.
  4. Verfahren nach Anspruch 3, wobei:
    die Außenseitenwände (4A, 4B) allgemein horizontale Oberränder definieren und die Querwand (6, 8) eine allgemein planare Oberwand (6) umfasst, die gegenüberliegende Seitenränder aufweist, die mit den horizontalen Oberrändern der Außenseitenwände (4A, 4B) verbunden sind.
  5. Verfahren nach Anspruch 1, 2, 3 oder 4, wobei:
    der Schritt des Bereitstellens einer Haltestruktur (50) ferner den Schritt des Bildens der Haltestruktur (50) umfasst, sodass diese eine flache Vertiefung mit einer Öffnung aufweist, wobei die Haltestruktur (50) einen Umfang (58) definiert, der sich um die Öffnung erstreckt;
    wobei der Umfang (58) an die thermoplastische Polymerschicht (64) in dem Schritt des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander versiegelt wird.
  6. Verfahren nach Anspruch 5, wobei:
    in dem Schritt des Bildens der Haltestruktur (50), sodass diese eine flache Vertiefung aufweist, die Haltestruktur (50) gebildet ist, um eine allgemein planare Seitenwand (56A-D) zu enthalten, die einen allgemein rechteckigen Umfang (58) aufweist, wobei die Haltestruktur (50) ferner Randwände (56A-D) enthält, die sich quer von dem rechteckigen Umfang (58) erstrecken, um die flache Vertiefung zu definieren, wobei die Haltestruktur (50) ferner einen sich nach außen erstreckenden Flansch (60) an dem Umfang (58) der Öffnung enthält, wobei der sich nach außen erstreckende Flansch (60) eine allgemein planare ringförmige Oberfläche bildet, die sich um die Öffnung erstreckt; und wobei in dem Schritt des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander die allgemein planare ringförmige Oberfläche in Kontakt mit der thermoplastischen Polymerschicht (64) gebracht wird und daran heißgesiegelt wird.
  7. Verfahren nach Anspruch 3 oder 4, wobei:
    der Schritt des Faltens der ersten Platte (36), um den vakuumisolierten Kühlschrank (2) zu bilden, ferner das Bilden einer Schrankbodenstruktur (18) umfasst, die sich zwischen unteren Abschnitten der Außenseitenwände (4A, 4B) erstreckt, wobei die Bodenstruktur (18) einen vorderen Abschnitt (22) und einen erhöhten hinteren Abschnitt (26) enthält, der relativ zu dem vorderen Abschnitt (22) erhöht ist, um einen äußeren Komponentenmontageraum (28) zu definieren, der von dem isolierten Innenraum (20) getrennt ist; und
    das Verfahren ferner die folgenden Schritte umfasst:
    Bereitstellen eines elektrisch betriebenen Kühlsystems (84), das eine Vielzahl von Komponenten aufweist;
    Montieren mindestens einer ersten der Komponenten an den Kühlschrank (2) in dem Komponentenmontageraum (28).
  8. Verfahren nach Anspruch 7, wobei:
    die Außenseitenwände (4A, 4B) sich vertikal erstreckende hintere Ränder aufweisen;
    die Oberwand (6) einen sich horizontal erstreckenden hinteren Rand enthält;
    die Bodenstruktur (18) einen hinteren Rand definiert;
    die hinteren Ränder der Außenseitenwand (4A, 4B), die Oberwand (6) und die Bodenstruktur (18) eine hintere Öffnung definieren;
    das Verfahren ferner die folgenden Schritte umfasst, die auf eine Bildung des vakuumisolierten Kühlschranks (2) folgen:
    Bilden einer isolierten hinteren Schrankwandstruktur (16);
    Verschließen der hinteren Öffnung mit der hinteren Schrankwandstruktur (16).
  9. Verfahren nach Anspruch 8; wobei:
    die vakuumisolierte Kühlschrankstruktur (2) einen isolierten Innenraum (12) bildet; und
    das Verfahren ferner die folgenden Schritte umfasst, die auf eine Bildung des vakuumisolierten Kühlschranks (2) folgen:
    Bereitstellen einer Trennwand (88), wobei die Trennwand (88) ein Kühlmodul (90) enthält;
    Verbinden der Trennwand (88) mit der hinteren Schrankwandstruktur (16);
    Positionieren der Trennwand (88) in dem isolierten Innenraum (12), um erste und zweite isolierte Fächer auf gegenüberliegenden Seiten der Trennwand (88) zu definieren, sodass das Kühlmodul (90) eine Kühlung für mindestens eines der ersten und zweiten isolierten Fächer bereitstellt;
    Legen von Versorgungsleitungen (94A, 94B), um das Kühlmodul (90) operabel mit der ersten montierten Komponente in dem Komponentenmontageraum (28) zu verbinden.
  10. Verfahren nach Anspruch 9, wobei:
    der Schritt des Bereitstellens einer ersten Materialplatte (36) das Bilden eines zentralen Abschnitts umfasst, der erste, zweite und dritte rechteckige Bodenelementbereiche (46B, E, F) definiert, die nebeneinander angeordnet sind, und erste und zweite rechteckige Seitenelementbereiche (46A, C) definiert, die auf gegenüberliegenden Seiten der rechteckigen Bodenelementbereiche (46B, E, F) angeordnet sind, und einen rechteckigen oberen Elementbereich (46G) definiert, der an den ersten rechteckigen Seitenelementbereich (46C) angrenzt;
    das Schneiden der ersten Materialplatte (36) entlang gegenüberliegenden Seitenrändern des ersten Elementbereichs umfasst; und der Schritt des Faltens der ersten Platte (36), um den vakuumisolierten Kühlschrank (2) zu bilden, Folgendes umfasst:
    Biegen des äußeren Schrankschalenzuschnitts zwischen dem ersten und zweiten Bodenelementbereich (46B, E), sodass sich der zweite Bodenelementbereich (46E) quer zu dem ersten Bodenelementbereich (46B) nach oben erstreckt;
    Biegen des äußeren Schrankschalenzuschnitts zwischen dem zweiten und dritten Bodenelementbereich (46E, F), sodass sich der dritte Bodenelementbereich (46F) horizontal nach hinten von dem zweiten Bodenelementbereich (46E) erstreckt und den erhöhten hinteren Abschnitt der Schrankbodenstruktur (18) bildet;
    Biegen des äußeren Schrankschalenzuschnitts entlang von Faltlinien auf gegenüberliegenden Seiten des zentralen Abschnitts des äußeren Schrankschalenzuschnitts, sodass sich die Seitenelementbereiche (46A, C) vertikal relativ zu dem ersten Bodenelementbereich (46B) erstrecken;
    Biegen des äußeren Schrankschalenzuschnitts zwischen dem ersten rechteckigen Seitenelementbereich (146C) und dem oberen Elementbereich (46D), um eine horizontale Oberseitenwand (6) zu bilden, die sich zwischen den Seitenelementbereichen (46A, C) erstreckt.
  11. Verfahren nach einem der vorstehenden Ansprüche, wobei das Vakuum in dem luftdichten Raum (56) durch Durchführen der Schritte des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander in einer Vakuumkammer gebildet wird.
  12. Verfahren nach Anspruch 2 oder einem davon abhängigen Anspruch; das mindestens eines von dem Folgenden enthält:
    (a) Durchführen des Schritts des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander unter Verwendung eines Heißversiegelungsvorgangs, der ein Erhitzen von mindestens einer der ersten Platte (36) oder der Haltestruktur (50) enthält;
    (b) Durchführen des Schritts des Bereitstellens einer Haltestruktur (50) durch Bereitstellen einer Haltestruktur (50), die mindestens erste und zweite Schichten umfasst, wobei die erste Schicht ein thermoplastisches Material umfasst, wobei die zweite Schicht ein Polymermaterial umfasst, das eine Barriere in Bezug auf mindestens eines von Sauerstoff, Stickstoff und Wasserdampf bildet.
  13. Verfahren nach Anspruch 2 oder einem davon abhängigen Anspruch, wobei der Schritt des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander das Bilden von mindestens zwei luftdichten Räumen (52) auf dem ersten Plattenmaterial (36) umfasst;
    und der Schritt des Faltens der ersten Platte (36), um den vakuumisolierten Kühlschrank (2) zu bilden, das Biegen des ersten Plattenmaterials (36) in einem Bereich zwischen den zwei luftdichten Räumen (52) umfasst.
  14. Verfahren nach Anspruch 13:
    wobei der Schritt des Versiegelns der ersten Platte (36) und der Haltestruktur (50) miteinander das Bilden von mindestens drei luftdichten Räumen (52) auf der ersten Materialplatte (36) umfasst;
    und der Schritt des Faltens der ersten Platte (36), um den vakuumisolierten Kühlschrank (2) zu bilden, das Biegen der ersten Materialplatte (36) umfasst, um eine Struktur zu bilden, die mindestens drei allgemein planare Seitenwände (46A, C) definiert.
  15. Verfahren nach Anspruch 14, wobei:
    die drei Elementseitenwände beabstandete aufrechte Seitenwände und eine horizontale Oberwand definieren, die sich zwischen den Seitenwänden erstreckt;
    wobei das Verfahren ferner Folgendes enthält:
    Bilden einer Bodenstruktur (18), die sich zwischen den aufrechten Seitenwänden erstreckt und diese verbindet;
    Befestigen eines hinteren Elements an den aufrechten Seitenwänden, der horizontalen Oberwand und der Bodenstruktur, um eine primäre Schrankstruktur (2) zu bilden, die ein nach vorne offenes Fach (20) definiert;
    Bilden einer Polymerauskleidung (14);
    Positionieren der Polymerauskleidung (14) in dem Fach (20); und
    Bereitstellen eines duroplastischen geschäumten Isoliermaterials zwischen der Polymerauskleidung (14) und der primären Kühlschrankstruktur (2).
EP14158619.8A 2013-03-15 2014-03-10 Gefaltete vakuumisolierte Struktur Active EP2778582B1 (de)

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EP2778582A3 (de) 2015-07-22
EP2778582A2 (de) 2014-09-17
BR102014005925A8 (pt) 2020-07-21
BR102014005925A2 (pt) 2015-06-23
BR102014005925B1 (pt) 2021-01-19

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