EP0974797A2 - Kältegerät, wie Kühl- oder Gefrier-Schrank - Google Patents

Kältegerät, wie Kühl- oder Gefrier-Schrank Download PDF

Info

Publication number
EP0974797A2
EP0974797A2 EP99500126A EP99500126A EP0974797A2 EP 0974797 A2 EP0974797 A2 EP 0974797A2 EP 99500126 A EP99500126 A EP 99500126A EP 99500126 A EP99500126 A EP 99500126A EP 0974797 A2 EP0974797 A2 EP 0974797A2
Authority
EP
European Patent Office
Prior art keywords
section
refrigerator
freezer
storage unit
cold storage
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
EP99500126A
Other languages
English (en)
French (fr)
Other versions
EP0974797A3 (de
EP0974797B1 (de
Inventor
Fernando Diaz Landibar
José Ramon Melero Armendariz
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 Electrodomesticos Espana SA
Original Assignee
BSH Fabricacion SA
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 Fabricacion SA filed Critical BSH Fabricacion SA
Publication of EP0974797A2 publication Critical patent/EP0974797A2/de
Publication of EP0974797A3 publication Critical patent/EP0974797A3/de
Application granted granted Critical
Publication of EP0974797B1 publication Critical patent/EP0974797B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25D23/065—Details

Definitions

  • the present invention concerns a refrigerator, such as cold storage unit or freezer, which includes a heat-insulating casing with an internal covering and another external, the wall which constitutes this casing being fitted transversally with a penetration duct the constructional characteristics of which are such that they prevent the foam which usually constitutes the heat-insulating wall from reaching the outside or, which is the same, said foam from penetrating into the interior or refrigeration compartment of the refrigerator unit when it is being injected, as well as from reaching the external face of the heat-insulating wall mentioned.
  • refrigerator units and the like have a heat-insulating casing formed physically by a wall in which there is a layer of foam as heat insulator, an internal covering which faces the side of the refrigeration compartment, and an external covering.
  • the water that is condensed in the breather tube mentioned can reach the external face, i.e. the external covering, water absorption occurring on the part of the latter due to capillary action, resulting in the corresponding water stain as well as the detachment of the layer forming this external covering with respect to the surface of the foam layer to which the external covering or layer is fixed.
  • the refrigerator object of the invention consists as per standard practice of a heat-insulating casing with an internal covering and another external, and is equipped with at least one storage space cooled by a vaporiser, to which is coupled a breather tube led through the heat insulation of the casing in question, from the storage space to the outside, the path of which runs through a penetration duct, and the breather tube being fitted with a flexible insulating tube, in order to prevent condensation covering at least the section of thickness corresponding to the wall which forms the casing in question.
  • the first characteristic of innovation that the refrigerator incorporates is that the penetration duct mounted transversally in the heat-insulating wall, has a first section for housing, at least in part, the flexible insulating tube, as well as a second section which follows the first and which is coupled by the effect of friction and/or drag on a formation of the internal covering.
  • the first and second sections of said penetration duct can be separated from each other by means of an intervening partition that can be perforated, in order to permit the passage of the breather tube.
  • the second section can have an internal or external enclosing surface which narrows in a conical manner, and which can collaborate with a sealing effect with an internal or external enclosing surface narrowing equally in a conical manner in the formation of the internal covering.
  • this second section is narrowed in a conical manner towards the intervening partition that separates it from the first section, said second section conically narrowed towards the intervening partition being coupled, with a sealing effect, with the narrowed formation on its external enclosing surface and to be found on the side of the heat insulation.
  • the second section cited can have a series of runnels arranged over its internal enclosing surface, in order to facilitate the expulsion of air when being coupled with the formation of the internal covering.
  • Said formation of the internal covering can have its free end implemented in a seal which can be perforated in order to permit the passage of the breather tube.
  • this can have an internal enclosing surface which is narrowed in conical manner from its free end towards the second section, such first section incorporating at its free end a surrounding lip which rests, with sealing effect, on the outside face of the external covering, away from the heat-insulating layer.
  • both the first section and the second section, and the actual formation of the internal covering have a cross section that is circular in outline.
  • a fundamental advantage of the refrigerator with the penetration duct described in accordance with one of the preferred implementations, consists in that as a consequence of the seal that is determined by the intervening partition which can be perforated and lies between the two sections of the penetration duct itself, it is impossible for the foam which is injected to form the heat-insulating layer of the casing to penetrate into the internal refrigeration compartment, preventing likewise that it can exude to the outside due to poor assembly of the duct.
  • the penetration duct 1 is mounted in the feed-through corresponding to a heat-insulating wall of a refrigerator or cold storage unit, said wall being formed by a layer of foam 2, as the actual heat-insulating material, an external covering 3 and an internal covering 4, this latter delimiting the refrigeration compartment.
  • the penetration duct intended to house the respective breather tube, from the cold storage unit vaporiser to the outside has two clearly differentiated sections 5 and 7 separated from each other by means of an intervening partition 6 which can be perforated or even removed.
  • the first section 5 has at its free end a surrounding lip 11 projecting outwards, constituting a support wall on the layer that forms the external covering 3, it being possible for said section 5 to be slightly in the form of a truncated cone decreasing in perimeter from the free end towards the intervening partition 3.
  • the second section 7, which can also be in the form of a truncated cone, in one direction or the other, both internally and externally, has the particularity that internally it is provided with a segment 8 in the form of a truncated cone diverging towards the free end, into which is pressure-fitted a formation 9 corresponding to the internal covering 4, said formation 9 having at its innermost extremity a partition which can be perforated, conical in shape, capable of being removable.
  • the intervening partition 6' of the penetration duct has the shape of a truncated cone, closed and also able to be perforated or removed like the intervening partition 6 of the embodiment shown in figure 1, the penetration duct being constituted in identical manner to that already indicated, i.e. with sections 5 and 7, the surrounding lip 11 of the first section 5 for support on the external covering 3, and section 7 pressure-fitted to the truncated cone formation 9 of the internal covering 4.
  • section 7 of the penetration duct 1 has a series of runnels 12 on its inside surface in the direction of the generatrices, constituting vents through which air is expelled when pressure-fitting formation 9 of the internal covering 4.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Confectionery (AREA)
EP99500126A 1998-07-24 1999-07-24 Kältegerät, wie Kühl- oder Gefrier-Schrank Expired - Lifetime EP0974797B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9801566 1998-07-24
ES009801566A ES2160009B1 (es) 1998-07-24 1998-07-24 Refrigerador, como frigorifico o congelador.

Publications (3)

Publication Number Publication Date
EP0974797A2 true EP0974797A2 (de) 2000-01-26
EP0974797A3 EP0974797A3 (de) 2000-10-25
EP0974797B1 EP0974797B1 (de) 2003-12-17

Family

ID=8304624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99500126A Expired - Lifetime EP0974797B1 (de) 1998-07-24 1999-07-24 Kältegerät, wie Kühl- oder Gefrier-Schrank

Country Status (4)

Country Link
EP (1) EP0974797B1 (de)
AT (1) ATE256849T1 (de)
DE (1) DE69913612T2 (de)
ES (2) ES2160009B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112611156A (zh) * 2020-12-21 2021-04-06 安徽康佳同创电器有限公司 一种防漏泡的间室连接装置及冰箱

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112109265A (zh) * 2019-06-20 2020-12-22 海尔智家股份有限公司 冰箱发泡密封机构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1401611A1 (de) * 1962-11-16 1968-11-21 Siemens Elektrogeraete Gmbh Schaumstoffwand,die mit einer Vertiefung zum Einsetzen von Konstruktionsteilen versehen ist
FR1597346A (de) * 1968-06-08 1970-06-22
DE1751797A1 (de) * 1968-07-31 1971-08-12 Licentia Gmbh Rohrleitungsdurchfuehrung fuer schaumstoffisolierte Kuehlmoebel
CA999631A (en) * 1973-08-28 1976-11-09 Raymond R. Sherburn Refrigerator cabinet construction
US4097096A (en) * 1977-06-16 1978-06-27 General Motors Corporation Refrigerator heater tube grommet
US4805293A (en) * 1981-09-03 1989-02-21 Whirlpool Corporation Insulated cabinet manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1401611A1 (de) * 1962-11-16 1968-11-21 Siemens Elektrogeraete Gmbh Schaumstoffwand,die mit einer Vertiefung zum Einsetzen von Konstruktionsteilen versehen ist
FR1597346A (de) * 1968-06-08 1970-06-22
DE1751797A1 (de) * 1968-07-31 1971-08-12 Licentia Gmbh Rohrleitungsdurchfuehrung fuer schaumstoffisolierte Kuehlmoebel
CA999631A (en) * 1973-08-28 1976-11-09 Raymond R. Sherburn Refrigerator cabinet construction
US4097096A (en) * 1977-06-16 1978-06-27 General Motors Corporation Refrigerator heater tube grommet
US4805293A (en) * 1981-09-03 1989-02-21 Whirlpool Corporation Insulated cabinet manufacture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112611156A (zh) * 2020-12-21 2021-04-06 安徽康佳同创电器有限公司 一种防漏泡的间室连接装置及冰箱
CN112611156B (zh) * 2020-12-21 2022-11-15 安徽康佳同创电器有限公司 一种防漏泡的间室连接装置及冰箱

Also Published As

Publication number Publication date
ES2160009B1 (es) 2002-05-01
DE69913612T2 (de) 2004-09-16
ES2213344T3 (es) 2004-08-16
EP0974797A3 (de) 2000-10-25
EP0974797B1 (de) 2003-12-17
DE69913612D1 (de) 2004-01-29
ATE256849T1 (de) 2004-01-15
ES2160009A1 (es) 2001-10-16

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