EP3563100B1 - A cooling device comprising a body with improved structural alignment - Google Patents

A cooling device comprising a body with improved structural alignment Download PDF

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Publication number
EP3563100B1
EP3563100B1 EP16822475.6A EP16822475A EP3563100B1 EP 3563100 B1 EP3563100 B1 EP 3563100B1 EP 16822475 A EP16822475 A EP 16822475A EP 3563100 B1 EP3563100 B1 EP 3563100B1
Authority
EP
European Patent Office
Prior art keywords
back wall
cooling device
protrusions
recesses
thickness
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.)
Active
Application number
EP16822475.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3563100A1 (en
Inventor
Mehmet YASAR
Tayfun ERSOZ
Cagdas FIDAN
Erhan KAHRAMAN
Turker Senturk
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Priority to PL16822475.6T priority Critical patent/PL3563100T3/pl
Publication of EP3563100A1 publication Critical patent/EP3563100A1/en
Application granted granted Critical
Publication of EP3563100B1 publication Critical patent/EP3563100B1/en
Active 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
    • 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
    • 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
    • F25D23/066—Liners
    • 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
    • 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 present invention relates to a cooling device, the structural alignment of which is improved.
  • an insulating material that is generally closed-cell rigid polyurethane, is filled between the liner and the outer case of the body in order to provide heat insulation between the inner volume and the outer environment.
  • One or more of the walls of the outer case, and preferably usually the back outer wall, can be made of a semi-rigid papery material, such as a cardboard, which provides light weight together with optimal insulation and acoustical properties.
  • the liner and the outer case of the body are placed in a mold and the insulating material, such as polyurethane, is injected as a liquid between them while in the mold, and over a short period of time expands to fill the space between liner and outer case. Due to the injection technic used to fill the intermediate volume between the liner and the outer case of the body, the liquid insulating material is not homogeneously distributed in such volume.
  • the body is usually demolded before the complete curing and cooling of the insulating material has occurred, so that the latter continues cooling after the body has been demolded.
  • the aim of the present invention is the realization of a cooling device comprising a body which structural alignment is increased.
  • the cooling device realized in order to attain the aim of the present invention is defined in the first claim and the respective claims thereof.
  • the protrusions/recesses are obtained by pressing the papery material board, in an easy and quick manner.
  • the protrusions/recesses are arranged substantially on the whole surface of the back wall, so as to increase the mechanical resistance of the whole back wall.
  • the protrusions/recesses extend along both vertical and horizontal parallel directions defining concentric closed shapes spaced apart from one another on the outer surface of the back wall.
  • the back wall comprises a raised central plateau wherein the thickness of the back wall is advantageously increased and which can be obtained by means of blow molding.
  • the thickness increase of the back wall on the central plateau is comprised between 5 mm and 25 mm and preferably it is comprised between 10 mm and 20 mm.
  • the protrusions/recesses have a thickness and/or a depth which is substantially equivalent to half the thickness of the central plateau.
  • the cooling device of the invention is a refrigerator and in particular it is a double door refrigerator, while according to a further embodiment it is a multi-door refrigerator.
  • the cooling device 1 comprises a body 2 that has a liner 3 and an outer case 4 comprising a back wall 5 made of a semi-rigid papery material such as a paperboard or a cardboard.
  • the liner 3 and the outer case 4 define between them an intermediate volume 6 filled with an insulation material 7, such as for instance polyurethane foam.
  • the back wall 5 of the outer case 4 has an outer surface 8 and it comprises a plurality of protrusions 9 and/or recesses 10 arranged on the outer surface 8.
  • the protrusions 9 and/or the recesses 10 increase the stiffness of the back wall 5, which therefore does not deform due to the transformations of the insulation material placed in the intermediate volume 6 during the production process of the body 2 of the cooling device 1. This ensures a better structural alignment of the body 2, so that no additional working phases, like a re-alignment phase, are required during the production of the body 2, thus diminishing the production time and cost.
  • the outer case 4 may comprise also further walls, such as for instance the lateral walls, made of a papery material and provided with protrusions 9 and/or recesses 10 according to the present invention, without departing from the scope of protection of the present invention.
  • both protrusions 9 and recesses 10 are provided on the outer surface 8 of the back wall 5.
  • the protrusions 9 and/or recesses 10 provided on the back wall 5 contribute also to improve the acoustical properties of the body 2 of the cooling device 1, diminishing the vibrations and hence the noise produced by the cooling device 1.
  • the protrusions 9 and/or recesses 10 are obtained on the outer surface 8 of the back wall 5 by pressing. This allows to easily obtain a back wall 5 with variable thickness, thus defining the desired protrusions 9 and/or recesses 10 on its outer surface 8.
  • the protrusions 9 and/or the recesses 10 are arranged substantially on the whole outer surface 8 of the back wall 5.
  • the protrusions 9 and/or recesses 10 define a plurality concentric closed shapes, spaced apart from one another.
  • the back wall 5 comprises a raised central plateau 11 and the protrusions 9 and/or recesses 10 are provided on the outer surface 8 of the back wall 5 on the raised central plateau 11.
  • the thickness of the back wall 5 is increased on the central plateau 11.
  • the thickness increase of the back wall 5 on the central plateau 11 is comprised between 5 mm and 25 mm, and preferably is comprised between 10 mm and 20 mm.
  • the presence of the central plateau 11 having in particular an increased thickness contributes to improve the stiffness of the back wall 5.
  • the protrusions 9 and/or recesses 10 have a thickness and/or a depth substantially equivalent to half of the thickness of the central plateau 11. This ensures that optimal mechanical characteristics are conferred to every part of the back wall 5, without having portions of the back wall 5 having too little thickness that could result in a weakening of the back wall 5 while at the same time not increasing excessively the amount of space occupied by the body 2.
  • the raised central plateau 11 is obtained on the outer surface 8 of the back wall 5 by means of blow molding.
  • the cooling device 1 above described is a refrigerator.
  • the cooling device 1 above described is a double door refrigerator and in a further embodiment it is a multi-door refrigerator.
  • having a back wall 5 with mechanical characteristics that avoid possible deformations of the back wall 5 itself and, consequently, of the body 2 is particularly important in case of double or multi door refrigerators where misalignments on the body 2 would result immediately apparent due to a poor matching of the doors on the front of the refrigerators, thus diminishing the user satisfaction and possibly affecting the overall cooling performances of the refrigerator.

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)
EP16822475.6A 2016-12-28 2016-12-28 A cooling device comprising a body with improved structural alignment Active EP3563100B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16822475.6T PL3563100T3 (pl) 2016-12-28 2016-12-28 Urządzenie chłodzące zawierające korpus o ulepszonym wyrównaniu konstrukcyjnym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/082771 WO2018121858A1 (en) 2016-12-28 2016-12-28 A cooling device comprising a body with improved structural alignment

Publications (2)

Publication Number Publication Date
EP3563100A1 EP3563100A1 (en) 2019-11-06
EP3563100B1 true EP3563100B1 (en) 2022-06-08

Family

ID=57737734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16822475.6A Active EP3563100B1 (en) 2016-12-28 2016-12-28 A cooling device comprising a body with improved structural alignment

Country Status (6)

Country Link
US (1) US20190316833A1 (pl)
EP (1) EP3563100B1 (pl)
CN (1) CN110100139A (pl)
PL (1) PL3563100T3 (pl)
TR (1) TR201714800A2 (pl)
WO (1) WO2018121858A1 (pl)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650996U (pl) * 1979-09-27 1981-05-06
JPS60178782U (ja) * 1984-05-08 1985-11-27 サンデン株式会社 貯蔵庫
FR2701368B1 (fr) * 1993-02-12 1995-05-24 Andre Renard Meubles réfrigérés démontables.
US6076363A (en) * 1996-12-27 2000-06-20 Morton; John C. Recreational vehicle refrigerator heat control system
US5858501A (en) * 1997-12-18 1999-01-12 The Dow Chemical Company Evacuated insulation panel having non-wrinkled surfaces
US6460955B1 (en) * 1998-09-09 2002-10-08 Fisher & Paykel Limited Cabinet, parts thereof and associated methods
ITVA20010040A1 (it) * 2001-11-09 2003-05-09 Whirlpool Co Frigorifero domestico con isolamento termico migliorato
ES2387960T3 (es) * 2008-12-12 2016-11-17 BSH Hausgeräte GmbH Aparato electrodoméstico con una pared con estampaciones
MX2010003431A (es) * 2010-03-26 2011-09-26 Mabe Sa De Cv Estampado de gabinete.
TR201005289A2 (tr) * 2010-06-30 2012-01-23 Bsh Ev Aletleri̇ San. Ve Ti̇c. A.Ş. Bir soğutucu/dondurucu kabini ve bunun üretim metodu
EP2771631B2 (en) * 2011-10-26 2020-02-12 Arçelik Anonim Sirketi A cooling device comprising a rear wall having an outer surface produced from cellulosic material
US9279208B2 (en) * 2012-05-18 2016-03-08 Samsung Electronics Co., Ltd. Washing machine having tub fixing part
DE102014210403A1 (de) * 2014-06-03 2015-12-03 BSH Hausgeräte GmbH Rückwand für ein Haushaltskältegerät sowie Haushaltskältegerät mit einer derartigen Rückwand

Also Published As

Publication number Publication date
WO2018121858A1 (en) 2018-07-05
US20190316833A1 (en) 2019-10-17
PL3563100T3 (pl) 2022-10-03
EP3563100A1 (en) 2019-11-06
TR201714800A2 (tr) 2018-07-23
CN110100139A (zh) 2019-08-06

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