EP2018505A1 - Appareil frigorifique - Google Patents

Appareil frigorifique

Info

Publication number
EP2018505A1
EP2018505A1 EP07728674A EP07728674A EP2018505A1 EP 2018505 A1 EP2018505 A1 EP 2018505A1 EP 07728674 A EP07728674 A EP 07728674A EP 07728674 A EP07728674 A EP 07728674A EP 2018505 A1 EP2018505 A1 EP 2018505A1
Authority
EP
European Patent Office
Prior art keywords
refrigerating appliance
appliance according
baffle plate
introduction opening
refrigerator
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.)
Withdrawn
Application number
EP07728674A
Other languages
German (de)
English (en)
Inventor
Fernando Diaz Landivar
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2018505A1 publication Critical patent/EP2018505A1/fr
Withdrawn legal-status Critical Current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
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/383—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using spreading devices mounted in the mould, in front of the feed opening
    • 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
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/126—Insulation with respect to heat using an insulating packing material of cellular type

Definitions

  • the invention relates to a refrigerator according to the preamble of claim 1.
  • Refrigerators usually have a cooled interior, which is limited by well-cleaned plastic walls. In this interior are drawers or shelves for storage of the goods to be cooled.
  • the refrigerator is surrounded by an outer shell that protects the device against external influences.
  • a space is provided between the plastic walls of the interior and the outer shell, which is injected with an insulating foam.
  • an injection opening for the insulating foam is usually provided in the engine compartment of the refrigerator near the rear wall. From this injection port, the insulating foam in the space should be distributed so that it fills the entire space evenly and thus stripped the interior evenly at all points.
  • the freezer compartment is often located in the lower portion of the refrigerator, while the refrigeration compartment is in the upper portion. Since the temperature difference between the environment of the refrigerator and the interior of the freezing chamber is substantially greater than the difference between the environment and the interior of the cooling chamber, a stronger insulation is to be made in the region of the freezing chamber than in the region of the cooling chamber. At a minimum, however, the insulating layer around the freezing chamber should have the same density as the insulating layer around the cooling chamber.
  • the invention has for its object a refrigeration device in such a way that the injected insulating foam as evenly distributed in the space, the itself located between the cooled interior and the outer shell of the refrigerator.
  • the injected insulating foam should therefore have the same density as possible after curing at any point.
  • the object is achieved according to the invention by a refrigeration device with the features of claim 1.
  • the foam jet can be directed partly directly into the upper region of the refrigerator and the other part in the lower region and in the area under the bottom of the refrigerator.
  • the insulating foam injected under high pressure would pass unhindered into the upper region of the intermediate space and only spread out from there again downwards.
  • a partial jet of the insulating foam is directed into the lower region of the intermediate space, so that this subset of the injected insulating foam can spread from below.
  • the density of Isolierschaums and thus the insulation effect is much more uniform over the entire space in this way.
  • the injection opening for the insulating foam is advantageously arranged in the lower region of the refrigerator near the rear wall.
  • the injected insulating foam can be divided in this way so that a part of the beam remains directed up to now directly upwards and spread this subset of the insulating foam from above into the gap, with another part of the injected insulating foam is passed directly to the injection port to the front and this subset of insulating foam thus spreads from below into the gap.
  • a baffle plate attached to the injection port.
  • the angle of attack of this baffle plate is dependent on the specific circumstances of each refrigerator and accordingly preset.
  • the injection opening for the insulating foam is particularly advantageously provided in a stabilizing rail.
  • This stabilizing rail is located on a side edge of the engine compartment of the refrigerator near the rear wall.
  • the baffle plate is attached directly to this stabilizer bar behind the injection port.
  • the baffle plate is mounted so that a part of the injected insulating foam is deflected by the baffle plate against the rear wall of the refrigerator forming part of the outer shell. From here, this part of the insulating foam is directed into the region of the gap in the bottom group of the refrigerator.
  • the baffle plate is mounted so that a portion of the injected insulating foam is passed directly to the front of the refrigerator. In both embodiments, a portion of the insulating foam is separated and held in the lower portion of the gap, so that the foam can propagate from here in the direction of the upper part.
  • FIG. 1 shows a first embodiment of a refrigeration device according to the invention
  • FIG. 2 shows a detailed view of the injection opening from FIG. 1 and FIG. 3 shows a further exemplary embodiment of the refrigerating appliance according to the invention.
  • the refrigerator according to the invention has an interior space 8, 9, which is bounded by the inner shell 6.
  • the inner shell 6 In the embodiment shown is a refrigerator-freezer combination, so that the interior is divided into a freezer compartment 9 for frozen goods and a cooling chamber 8 for normal perishable food.
  • the outer skin of the refrigerator is formed by the outer shell 4.
  • the inner shell 6 and the outer shell 4 close the gap 7, 1 1, which is filled with insulating foam.
  • the engine compartment 5 is formed.
  • the stabilizing rail 1 is attached in the vicinity of the rear wall.
  • the injection port 1 1 is provided.
  • the baffle plate 2, 12 is attached to the stabilizing rail 1, that it is located directly behind the injection port 1 in the intermediate space 7, 10.
  • the baffle plate 2 is fixed (see Fig. 2), that it is not centrally behind the injection port 1 1, but is slightly offset to the rear wall. Also, the baffle plate 2 is inclined to the rear wall. Is now injected from the stylized indicated injector 3 insulating foam into the injection port 1 1, the injected insulating foam is separated by the baffle plate 2 in a larger beam part and a smaller beam part. The larger part of the beam is injected right past the baffle plate 2 directly into the upper region of the intermediate space 7. From there, the foam mass grows in the gap 7 forward and downward. The smaller partial flow of the injected insulating foam is formed on the left side of the baffle plate 2.
  • the beam is directed further to the left against the rear wall forming part of the outer shell 4 and reflected from there to the horizontally extending portion of the inner shell 6. According to the drawn arrows, the partial beam moves in the lower region 1 1 of the gap. This partial volume of Isolierschaums grows from bottom to top through the gap.
  • the baffle plate 12 is inclined to the other side. Again, the baffle plate is not mounted centrally behind the injection port 1 1, so that here too a larger and a smaller partial beam arise.
  • the smaller partial beam is formed on the right side of the baffle plate 12 and is deflected by this directly to the right, in the direction of the front of the refrigerator.
  • the deflected smaller partial beam also meets the horizontal part of the inner shell 6 above the engine compartment 5.
  • the partial beam is continued in the direction of the arrows shown in the lower region 11 of the intermediate space, so that here Insulation foam can grow from bottom to top.
  • the larger partial beam of the injected insulating foam is directed without interference from the baffle plate 12 directly upwards and ensures the growth of insulating foam in the space from top to bottom.

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)

Abstract

L'invention concerne un appareil frigorifique comprenant un espace interne réfrigéré qui est délimité par une enveloppe interne (6), une enveloppe externe (4), et un espace (7) qui est rempli d'une mousse isolante et qui est disposé entre l'enveloppe interne et l'enveloppe externe. Selon l'invention, une ouverture d'injection (10) est prévue pour injecter la mousse isolante, cette ouverture d'injection étant conçue de manière que le jet d'injection de la mousse isolante soit divisé et guidé dans différentes voies.
EP07728674A 2006-05-08 2007-04-30 Appareil frigorifique Withdrawn EP2018505A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200620007334 DE202006007334U1 (de) 2006-05-08 2006-05-08 Kältegerät
PCT/EP2007/054220 WO2007128735A1 (fr) 2006-05-08 2007-04-30 Appareil frigorifique

Publications (1)

Publication Number Publication Date
EP2018505A1 true EP2018505A1 (fr) 2009-01-28

Family

ID=36746575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07728674A Withdrawn EP2018505A1 (fr) 2006-05-08 2007-04-30 Appareil frigorifique

Country Status (4)

Country Link
EP (1) EP2018505A1 (fr)
DE (1) DE202006007334U1 (fr)
RU (1) RU2426039C2 (fr)
WO (1) WO2007128735A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015007214U1 (de) * 2015-10-15 2015-11-23 BSH Hausgeräte GmbH Kältegerät mit Expansionsöffnung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1381501A (fr) * 1962-10-30 1964-12-14 Gen Motors Corp Procédé de préparation de produits en résines synthétiques
JPH0210087A (ja) * 1988-06-28 1990-01-12 Toshiba Corp 断熱箱体及びその製造方法
JPH0814457B2 (ja) * 1990-11-08 1996-02-14 三菱電機株式会社 断熱箱体
JPH0861837A (ja) * 1994-08-26 1996-03-08 Toshiba Corp 断熱箱体
DE19745860A1 (de) * 1997-10-16 1999-06-17 Bosch Siemens Hausgeraete Wärmeisolierende Wandung
JP3792921B2 (ja) * 1998-12-25 2006-07-05 株式会社東芝 冷蔵箱体製造方法
DE10058401A1 (de) * 2000-11-24 2002-05-29 Bsh Bosch Siemens Hausgeraete Wärmeisolierendes Gehäuse für ein Kältegerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007128735A1 *

Also Published As

Publication number Publication date
WO2007128735A1 (fr) 2007-11-15
DE202006007334U1 (de) 2006-07-13
RU2008146099A (ru) 2010-06-20
RU2426039C2 (ru) 2011-08-10

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