EP2787309A2 - Kühlschrank - Google Patents

Kühlschrank Download PDF

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Publication number
EP2787309A2
EP2787309A2 EP20130190125 EP13190125A EP2787309A2 EP 2787309 A2 EP2787309 A2 EP 2787309A2 EP 20130190125 EP20130190125 EP 20130190125 EP 13190125 A EP13190125 A EP 13190125A EP 2787309 A2 EP2787309 A2 EP 2787309A2
Authority
EP
European Patent Office
Prior art keywords
compartment
evaporation
refrigerator
deep
evaporator
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Withdrawn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
EP20130190125
Other languages
English (en)
French (fr)
Other versions
EP2787309A3 (de
Inventor
Jaehoon SHIN
Heayoun Sul
Changho Seo
Yongjoo Park
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2787309A2 publication Critical patent/EP2787309A2/de
Publication of EP2787309A3 publication Critical patent/EP2787309A3/de
Withdrawn legal-status Critical Current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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments

Definitions

  • the present disclosure relates to a refrigerator.
  • a refrigerator is an electronic appliance that can store foods at a low temperature within an internal storage space which is shielded by a door from an external environment.
  • the refrigerator is configured to cool the internal storage space to keep the stored foods in an optimal state by using cool air generated by a heat exchange with a coolant that is circulated in a cooling cycle.
  • the present disclosure has been made in an effort to provide a refrigerator with a space separate from a refrigerating compartment or a freezing compartment which may deep-cool food at a temperature lower than a temperature in a freezing compartment within a short time period.
  • a refrigerator comprises: a main body with a first storage compartment; a first evaporation compartment provided within the main body in order to cool the first storage compartment; a second storage compartment independently provided in the first storage compartment and maintained at a temperature lower than a temperature of the first storage compartment; and a second evaporation compartment located at a rear side of the second storage compartment to cool the second storage compartment, the second evaporation compartment including a cold air outlet and a cold air inlet.
  • a drawer assembly which may be provided inside a freezing compartment and cooled at a temperature lower than a temperature in the freezing compartment, food requiring storage at various temperatures may be effectively stored.
  • a state of a deep freezing compartment may be uniformly maintained regardless of a load state of a refrigerating compartment or a freezing compartment.
  • a deep freezing compartment according to the embodiments of the present invention can be applied to all types of refrigerators.
  • the deep freezing compartment according to one embodiment of the present invention can be applied to all of a top mount type refrigerator in which the freezing compartment is provided on the top of a cooling compartment, a bottom freezer type refrigerator in which the freezing compartment is provided on the bottom of the cooling compartment, and a side-by-side type refrigerator in which the freezing compartment and the cooling compartment are provided at left and right sides.
  • a refrigerator comprises: a main body with a first storage compartment; a first evaporation compartment provided within the main body in order to cool the first storage compartment; a second storage compartment independently provided in the first storage compartment and maintained at a temperature lower than a temperature of the first storage compartment; and a second evaporation compartment located at a rear side of the second storage compartment to cool the second storage compartment, the second evaporation compartment including a cold air outlet and a cold air inlet.
  • the refrigerator according to one embodiment of the present invention further comprises: a first evaporator disposed in the first evaporation compartment; a second evaporator disposed in the second evaporation compartment; and a cooling fan disposed in the first evaporation compartment.
  • the first evaporator and the second evaporator include fin-tube type heat exchangers.
  • the second storage compartment includes: a case communicating with the second evaporation compartment and insulated from the first evaporation compartment; and a drawer, wherein the drawer includes: a storage box received in the case and having a cold air hole at a rear side thereof; and a door formed at a front side of the storage box.
  • the refrigerator according to one embodiment of the present invention further comprises a main grille to partition the first evaporation compartment and the first storage compartment, wherein the second evaporation compartment is fixed to a front side of the main grille.
  • the rear side of the case is in contact with a front side of the second evaporation compartment, and the second storage compartment and the second evaporation compartment communicate with each other through the cold air inlet and the cold air outlet.
  • the rear side of the case is in contact with the main grille, such that the second evaporation compartment is completely received inside the case.
  • the first storage compartment is a freezing compartment maintained at a below freezing temperature
  • the second storage compartment is a deep freezing compartment maintained at a temperature lower than the temperature in the freezing compartment.
  • FIG. 1 is a perspective view illustrating a deep freezing compartment system according to one embodiment of the present invention
  • FIG. 2 is an exploded perspective view illustrating the deep freezing compartment system
  • FIG. 3 is a longitudinal cross-sectional view of a refrigerator with a deep freezing compartment according to one embodiment of the present invention.
  • a deep freezing compartment system 1 includes a deep freezing compartment 10 maintained at a temperature lower than the freezing compartment temperature, and a cooling module for cooling the inside of the deep freezing compartment 10.
  • the refrigerator with the deep freezing compartment system 1 includes a freezing compartment 20 and a refrigerating compartment (not illustrated) in a main body 30.
  • Main body 30 comprises an outer case 303, an inner case 301, and an insulation layer 302 interposed therebetween. Additionally, the deep freezing compartment 10 is provided at one side of freezing compartment 20 formed in main body 30.
  • a main grille 15 is installed at the front of inner case 301, and a main evaporator 18 for cooling the refrigerating compartment and the freezing compartment 20 is disposed between main grille 15 and inner case 301. Accordingly, a space formed between main grille 15 and inner case 301, that is, a space in which main evaporator 18 is disposed may be defined as a main evaporation compartment 31.
  • Main evaporator 18 may be a fin-tube type evaporator.
  • main evaporator 18 The cold air cooled through main evaporator 18 is supplied to freezing compartment 20 and the refrigerating compartment along a cold-air path. Additionally, the cold air supplied to freezing compartment 20 flows into main evaporation compartment 31 again through a cold-air collecting hole 151 formed at a lower end side of main grille 15. Condensate water generated from main evaporation compartment 31 is discharged to a machine compartment 32 formed at a lower end of main body 30 through a drain hole (not illustrated). In addition, one or a plurality of main evaporators 18 may be provided according to a capacity of the refrigerator.
  • a single main evaporator 18 is applied, and the cold air may move to the refrigerating compartment and the freezing compartment through the cold-air path.
  • a main evaporator for a refrigerating compartment and a main evaporator for a freezing compartment are separately provided, and as a result, the cold air cooled by the main evaporator for a refrigerating compartment may be supplied to only the refrigerating compartment, and the cold air cooled by the main evaporator for a freezing compartment may be supplied to only the freezing compartment.
  • the cold air in the refrigerating compartment does not flow into the freezing compartment side, there is an advantage in that food smells in the refrigerating compartment do not flow into the freezing compartment.
  • a storage means for storing food may be provided in freezing compartment 20 or the refrigerating compartment.
  • a plurality of shelves 201 in which food or containers may be placed are disposed inside freezing compartment 20 at intervals in a vertical direction, and a storage box 202 to store the food may be provided.
  • Deep freezing compartment 10 may be provided at one side inside freezing compartment 20, and provided between the shelves.
  • the cooling module which maintains a temperature of the deep freezing compartment at a temperature lower than the temperature of the freezing compartment includes a deep evaporator 16, a deep evaporation compartment 13 in which deep evaporator 16 is received, and a deep fan 14 received in deep evaporation compartment 13 to circulate the cold air.
  • Deep evaporator 16 may be a fin-tube type heat exchanger, and may be connected in parallel to main evaporator 18. Accordingly, an opening of a switching valve may be controlled so that a coolant flows toward the deep evaporator 16 when a deep freezing is performed.
  • Deep evaporation compartment 13 may be a housing having a box shape forming a predetermined compartment.
  • a fan housing in which deep fan 14 is received protrudes from the front side of deep evaporation compartment 13.
  • An ejecting grille 133 is formed at the front side of fan housing 131.
  • a return grille 132 is formed at a front side of the lower end of fan housing 131 so that the cold air returns to deep evaporation compartment 13.
  • shroud 17 is fixed to and installed on main grille 15. In main grille 15, a shroud installation hole 152 for installing shroud 17 may be formed.
  • deep freezing compartment 10 is configured by an insulation wall to form a compartment therein, and includes a case 11 with an open front and rear sides and a drawer 12 which is slidably inserted into and discharged from case 11.
  • Case 11 may be fixed to a wall surface of freezing compartment 20 or to shelves 201.
  • the rear side of case 11 contacts the front side of the deep evaporation compartment 13. That is, only fan housing 131 protruding from the front side of deep evaporation compartment 13 and return grille 132 are received inside case 11, and a space, in which deep evaporator 16 is received, is disposed outside case 11.
  • Drawer 12 includes a storage box 121 to hold food, and a door 122 vertically provided at the front side of storage box 121.
  • a plurality of cold-air holes 124 are formed on the rear side of storage box 121, and a slide rail 123 may be formed at both sides.
  • guide rails 111 are formed at both sides in case 11, and slide rail 123 of storage box 121 is engaged to guide rail 111.
  • slide rail 123 horizontally moves along the guide rail 111.
  • a roller may be installed, and a roller guide may be installed at an inner side of case 11, or both the slide rail and the roller may be used.
  • a rear edge of door 122 is completely in contact with the front side of case 11 so as to prevent the cold air from being leaked outside.
  • a sealing member may be surrounded at the rear side of door 122 contacting the front side of case 11. The sealing member may be surrounded at the front side of case 11. Additionally, a length of storage box 121 may be extended so that the rear side of storage box 121 is in contact with or slightly separated from the front side of fan housing 131 while storage box 121 is completely received in case 11.
  • a deep cooling operation is automatically performed.
  • the deep cooling operation means that a freezing cycle operation in which the coolant flows to main evaporator 18 is switched into a freezing cycle operation in which the coolant flows to deep evaporator 16. Since deep evaporator 16 is connected in parallel to main evaporator 18, through a switching operation or opening control of the switching valve, the coolant is controlled to flow toward deep evaporator 16.
  • coolant circulation through main evaporator 18 is required while a load of the refrigerating compartment and the freezing compartment is increased, some amount of coolant flows toward main evaporator 18 by the opening control of the valve, and the remainder may flow toward deep evaporator 16.
  • the coolant flows toward main evaporator 18 to supercool the refrigerating compartment at a temperature lower than the set temperature, and thereafter, a flow of the coolant may be switched toward deep evaporator 16 for deep cooling.
  • an operation timing of deep compartment fan 14 may be set to be a time after a temperature of deep evaporation compartment 13 decreases to the set temperature, or may be set to a time when the coolant starts to flow to deep evaporator 16.
  • the cold air supplied to storage box 121 returns to deep evaporation compartment 13 through cold-air holes 124 and return grille 132 again.
  • deep evaporation compartment 13 is completely insulated from the main evaporation compartment 31 in which the main evaporator is received. Accordingly, since the cold air of main evaporation compartment 31 having a relatively high temperature does not flow into deep evaporation compartment 13, the deep evaporation compartment 13 may be cooled to the set temperature within a short time.
  • FIG. 4 is a longitudinal cross-sectional view of a refrigerator illustrating a structure of a deep evaporation compartment according to another embodiment of the present invention.
  • a structure of a deep evaporation compartment according to another embodiment is the same as that of the above embodiment, but there is a difference in that the entire deep evaporation compartment 13 is received inside deep freezing compartment 10.
  • case 11 More specifically, a rear side of case 11 contacts main grille 15, and deep evaporation compartment 13 is completely received inside case 11. Accordingly, deep evaporation compartment 13 is positioned inside case 11, and as a result, there is an advantage in that insulation performance improves.
  • a wall surface of the evaporation compartment in which deep evaporator 16 is received is substantially in contact with an internal air of freezing compartment 20 and thus, a part of the cold air of deep evaporation compartment 13 may be used to cool freezing compartment 20.
  • deep evaporation compartment 13 may be wholly used just to cool the inside of case 11, that is, the deep freezing compartment.
  • a first evaporator may comprise, among other things, main evaporator 18 described in the embodiments of FIGS. 1 to 4
  • a second evaporator may comprise, among other things, deep evaporator 16.
  • a first storage compartment may comprise, among other things, freezing compartment 20, and a second storage compartment may comprise, among other things, deep freezing compartment 10 provided in freezing compartment 20.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP20130190125 2013-04-01 2013-10-24 Kühlschrank Withdrawn EP2787309A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130035087A KR20140119443A (ko) 2013-04-01 2013-04-01 냉장고

Publications (2)

Publication Number Publication Date
EP2787309A2 true EP2787309A2 (de) 2014-10-08
EP2787309A3 EP2787309A3 (de) 2015-03-18

Family

ID=49509942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20130190125 Withdrawn EP2787309A3 (de) 2013-04-01 2013-10-24 Kühlschrank

Country Status (4)

Country Link
US (1) US20140290303A1 (de)
EP (1) EP2787309A3 (de)
KR (1) KR20140119443A (de)
CN (1) CN104101154A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018121851A1 (en) * 2016-12-28 2018-07-05 Arcelik Anonim Sirketi A rapid cooling assembly suitable to be used in a refrigerator
EP3258191A4 (de) * 2015-02-09 2018-09-05 LG Electronics Inc. Kühlschrank
EP3502603A1 (de) * 2017-12-19 2019-06-26 Whirlpool (China) Co., Ltd. Abnehmbare aufbewahrungsbehälter für schnell gefrierende lebensmittel

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Publication number Priority date Publication date Assignee Title
KR102273607B1 (ko) 2015-02-09 2021-07-07 엘지전자 주식회사 냉장고
CN107532840A (zh) * 2015-04-21 2018-01-02 Bsh家用电器有限公司 具有速冻的家用制冷器具
CN106802039A (zh) * 2015-11-25 2017-06-06 杭州三花家电热管理系统有限公司 冷却装置及其控制方法、控制系统
KR102679833B1 (ko) * 2017-01-25 2024-07-01 엘지전자 주식회사 저장 용기 및 이를 포함하는 냉장고
KR102363407B1 (ko) * 2017-07-05 2022-02-16 엘지전자 주식회사 냉장고
KR102078440B1 (ko) * 2017-12-06 2020-02-19 주식회사 아세스 스윙 이동이 가능한 냉장고
CN109931739B (zh) * 2017-12-19 2023-10-13 惠而浦（中国）股份有限公司 一种用于冷藏室的智能速冷食品储藏盒及其速冷方法
WO2020175827A1 (ko) * 2019-02-28 2020-09-03 엘지전자 주식회사 냉장고의 제어 방법
KR20200105610A (ko) * 2019-02-28 2020-09-08 엘지전자 주식회사 냉장고의 제어 방법
KR102678956B1 (ko) * 2019-02-28 2024-06-28 엘지전자 주식회사 냉장고의 제어 방법

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KR20040067643A (ko) * 2003-01-24 2004-07-30 삼성전자주식회사 온도조절 챔버를 구비한 냉장고
WO2007074125A1 (en) * 2005-12-29 2007-07-05 Arcelik Anonim Sirketi A cooling device
KR101455864B1 (ko) * 2008-04-04 2014-11-03 엘지전자 주식회사 냉기 덕트 및 냉장고
KR101625045B1 (ko) * 2008-11-26 2016-05-27 엘지전자 주식회사 냉장고 및 그 제어방법
EP2530408B1 (de) * 2011-05-31 2019-07-03 LG Electronics Inc. Kühlschrank

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3258191A4 (de) * 2015-02-09 2018-09-05 LG Electronics Inc. Kühlschrank
US10436494B2 (en) 2015-02-09 2019-10-08 Lg Electronics Inc. Refrigerator
WO2018121851A1 (en) * 2016-12-28 2018-07-05 Arcelik Anonim Sirketi A rapid cooling assembly suitable to be used in a refrigerator
EP3502603A1 (de) * 2017-12-19 2019-06-26 Whirlpool (China) Co., Ltd. Abnehmbare aufbewahrungsbehälter für schnell gefrierende lebensmittel

Also Published As

Publication number Publication date
CN104101154A (zh) 2014-10-15
KR20140119443A (ko) 2014-10-10
EP2787309A3 (de) 2015-03-18
US20140290303A1 (en) 2014-10-02

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