WO2008110516A2 - A cooling device - Google Patents

A cooling device Download PDF

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Publication number
WO2008110516A2
WO2008110516A2 PCT/EP2008/052788 EP2008052788W WO2008110516A2 WO 2008110516 A2 WO2008110516 A2 WO 2008110516A2 EP 2008052788 W EP2008052788 W EP 2008052788W WO 2008110516 A2 WO2008110516 A2 WO 2008110516A2
Authority
WO
WIPO (PCT)
Prior art keywords
compartment
foodstuffs
cooling
food
cooling device
Prior art date
Application number
PCT/EP2008/052788
Other languages
French (fr)
Other versions
WO2008110516A3 (en
Original Assignee
Arcelik Anonim Sirketi
Tacan, Ilkin
Karaaslan, Kuntay
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 Anonim Sirketi, Tacan, Ilkin, Karaaslan, Kuntay filed Critical Arcelik Anonim Sirketi
Publication of WO2008110516A2 publication Critical patent/WO2008110516A2/en
Publication of WO2008110516A3 publication Critical patent/WO2008110516A3/en

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
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30—Quick freezing
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/04—Calculation of parameters
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/06—Sensors detecting the presence of a product

Definitions

  • the present invention relates to a cooling device comprising a compartment utilized in quick freezing of the foodstuffs.
  • the aim of the present invention is the realization of a cooling device wherein quick freezing process is applied without damaging the stored foodstuffs.
  • a compartment is provided wherein quick freezing process of the food placed therein can be done, and the parameters such as cooling speed and cooling period are determined depending on the data of foodstuff amount emplaced inside the compartment.
  • the cooling parameters required for the process of quick freezing of foodstuffs are implemented by the control unit that adjusts the operation and stopping period and/or the operation speeds of the compressor that maintains the cooling cycle and/or the fan that blows cold air depending on the data of foodstuff amount.
  • the quick freezing process in the cooling device is made up of a
  • pre-cooling phase wherein the interior and exterior parts of the foodstuffs in the compartment are brought to the same temperature level before freezing
  • a shock freezing phase wherein the foodstuffs are lowered to a below zero temperature very quickly from an above zero temperature
  • the storing phase wherein the frozen foodstuffs are stored for a long time period and the control unit increases or decreases the duration of at least one of these phases according to data of the food amount in the compartment.
  • the duration required for bringing the temperature at the interior and exterior parts of the foodstuffs to the same level is determined by the control unit depending on the data of food amount in the compartment.
  • the quantity of foodstuffs placed in the compartment can be entered by the user to the control unit through the user interface by specifying an approximate weight and volume measurement.
  • the quantity of foodstuffs placed in the compartment is determined by a food amount sensor.
  • Load sensors that detect the total weight of the food placed in the compartment or sensors that detect volume by radiating light waves or ultrasonic type sensors are utilized.
  • Figure 1 - is the schematic view of a cooling device.
  • Figure 2 - is the schematic view of a compartment wherein the quick freezing process of foodstuff is done.
  • Figure 3 - is the schematic view of a compartment in another embodiment of the present invention.
  • the cooling device (1) comprises a quick freezing compartment (2) whereby the foodstuffs (F) stored therein are quick frozen, a compressor (3), a condenser, and an evaporator that maintain the cooling cycle, and a fan (4) that aspirates the air over the evaporator for cooling the compartment (2).
  • the cooling device (1) of the present invention comprises a control unit (5) that determines and applies the parameters such as rate of cooling and cooling duration required for the quick freezing of foodstuffs (F) according to the data of foodstuff (F) amount placed in the compartment (2).
  • the control unit (5) implements the required cooling parameters for quick freezing process of the foodstuffs (F) placed in the compartment (2) by adjusting the operation and stopping durations and/or the operating speeds of the compressor (3) and/or the fan (4) according to data of food (F) amount placed in the compartment (2).
  • the quick freezing process implemented by the control unit (5) in the cooling device (1) is made up of three phases.
  • a "pre-cooling" is applied at a temperature above zero, for example around +3°C, for a certain time period, maintaining to bring the interior portions of all the foodstuffs (F) in the compartment (2) to virtually the same temperature as the interior.
  • the interior temperature of the compartment (2) is very quickly lowered from a temperature above zero to a temperature below zero, for example from approximately +3°C to about -5°C, applying the shock freezing process to the foodstuffs (F).
  • the shock freezing process is very critical, the door of the cooling device (1) can be locked automatically or by the user at this phase.
  • the third phase is the "storing" phase, the foodstuffs (F) that are quickly frozen by the shock freezing process are brought to the temperature value, for example to about -30°C at which they will be stored for a long time.
  • the control unit (5) increases or decreases the duration of at least one of the pre-cooling phase, shock freezing phase or storing phase that make up the quick freezing process according to the amount of foodstuffs (F).
  • the duration required for cooling until the temperature at the interior and exterior parts of the foodstuffs (F) are at the same level is determined by the control unit (5) depending on the data of food (F) amount.
  • the pre-cooling duration is adjusted so that shock freezing does not start before the temperature of interior and exterior parts of the foodstuffs (F) are at the same level and when the food (F) is ready for the shock freezing phase, waiting for a longer time than is necessary for starting the shock freezing phase and consumption of excess energy is prevented.
  • the amount of foodstuffs (F) placed in the compartment (2) is entered to the control unit (5) by means of the user interface by the user.
  • the amount of foodstuffs (F) placed in the compartment (2) is entered to the user interface as the approximate weight (..gr) and/or volume (..cm 3 ) estimated by the user.
  • the cooling device (1) comprises one or more food amount sensors (6) that detect the amount of foodstuffs (F) placed in the compartment (2) ( Figures 2, 3).
  • the food amount sensor (6) can be the load sensor type and detects the weight of foodstuffs (F) placed in the compartment (2).
  • food amount sensors (6) are placed at each corner under the shelf, e.g. rectangular in shape, in the compartment (2), with the foodstuffs (F) stored thereon, and the weights detected by the food amount sensors (6) are evaluated all together for calculating the amount of food (F) in the compartment (2) ( Figure 2).
  • the food amount sensor (6) detects the volume of the foodstuffs (F) placed in the compartment (2).
  • food amount sensors (6) are of the type that radiate light waves or ultrasonic type and are arranged equidistantly on the ceiling of the compartment (2) forming a matrix.
  • the total volume of food (F) in the compartment (2) is calculated by making an altitude map according to the heights of the foodstuffs (F) in the compartment (2) with a precision depending on the number of food amount sensors (6) ( Figure 3).
  • the efficiency is increased since the durations of the phases forming the quick freezing process are adjusted according to the food (F) amount data, whereby the food (F) can be stored for a longer period of time without reducing the nutritional value and consumption of excess energy is prevented.

Abstract

The present invention relates to a cooling device (1) comprising a quick freezing compartment (2) whereby the foodstuffs (F) stored therein are quick frozen, a compressor (3) a condenser, and an evaporator that maintain the cooling cycle, and a fan (4) that aspirates air over the evaporator for cooling the compartment (2), wherein the operation of the compressor (3) and the fan (4) are regulated according to the food (F) placed in the compartment (2) thus increasing the efficiency of the quick freezing process.

Description

Description
A COOLING DEVICE
[0001] The present invention relates to a cooling device comprising a compartment utilized in quick freezing of the foodstuffs.
[0002] In special purpose freezing compartments of cooling devices, foodstuffs such as fresh fruits and vegetables are stored by quick freezing to be kept for a long period of time without losing their vitamin and mineral values. The aim is not to damage the cells during the quick freezing of the foodstuffs. Since the foodstuffs are cooled from outside towards the inside, the exterior surfaces thereof start freezing earlier and when the required cooling parameters for quick freezing cannot be adjusted accordingly, the cells are damaged due to the temperature difference between the exterior surface and the interior part, and when the quick frozen food is defrosted a substantial loss in taste and nutritional value results.
[0003] In the Patent Document No DE19511903, a method is defined wherein the temperature of food is adjusted to the required level before shock freezing in a cooling device.
[0004] The aim of the present invention is the realization of a cooling device wherein quick freezing process is applied without damaging the stored foodstuffs.
[0005] In the cooling device realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, a compartment is provided wherein quick freezing process of the food placed therein can be done, and the parameters such as cooling speed and cooling period are determined depending on the data of foodstuff amount emplaced inside the compartment. The cooling parameters required for the process of quick freezing of foodstuffs are implemented by the control unit that adjusts the operation and stopping period and/or the operation speeds of the compressor that maintains the cooling cycle and/or the fan that blows cold air depending on the data of foodstuff amount.
[0006] The quick freezing process in the cooling device is made up of a
"pre-cooling" phase wherein the interior and exterior parts of the foodstuffs in the compartment are brought to the same temperature level before freezing, a shock freezing phase wherein the foodstuffs are lowered to a below zero temperature very quickly from an above zero temperature and the storing phase wherein the frozen foodstuffs are stored for a long time period and the control unit increases or decreases the duration of at least one of these phases according to data of the food amount in the compartment.
[0007] In the preferred embodiment of the present invention, in the pre-cooling phase before the shock freezing phase, the duration required for bringing the temperature at the interior and exterior parts of the foodstuffs to the same level is determined by the control unit depending on the data of food amount in the compartment.
[0008] In an embodiment of the present invention, the quantity of foodstuffs placed in the compartment can be entered by the user to the control unit through the user interface by specifying an approximate weight and volume measurement.
[0009] In another embodiment of the present invention, the quantity of foodstuffs placed in the compartment is determined by a food amount sensor. Load sensors that detect the total weight of the food placed in the compartment or sensors that detect volume by radiating light waves or ultrasonic type sensors are utilized.
[0010] The cooling device realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
[0011] Figure 1 - is the schematic view of a cooling device.
[0012] Figure 2 - is the schematic view of a compartment wherein the quick freezing process of foodstuff is done.
[0013] Figure 3 - is the schematic view of a compartment in another embodiment of the present invention.
[0014] The elements illustrated in the figures are numbered as follows:
1. Cooling device
2. Compartment
3. Compressor
4. Fan 5. Control unit
6. Food amount sensor
[0015] The cooling device (1) comprises a quick freezing compartment (2) whereby the foodstuffs (F) stored therein are quick frozen, a compressor (3), a condenser, and an evaporator that maintain the cooling cycle, and a fan (4) that aspirates the air over the evaporator for cooling the compartment (2).
[0016] The cooling device (1) of the present invention comprises a control unit (5) that determines and applies the parameters such as rate of cooling and cooling duration required for the quick freezing of foodstuffs (F) according to the data of foodstuff (F) amount placed in the compartment (2).
[0017] The control unit (5) implements the required cooling parameters for quick freezing process of the foodstuffs (F) placed in the compartment (2) by adjusting the operation and stopping durations and/or the operating speeds of the compressor (3) and/or the fan (4) according to data of food (F) amount placed in the compartment (2).
[0018] The quick freezing process implemented by the control unit (5) in the cooling device (1) is made up of three phases. In the first phase, before the foodstuffs (F) in the compartment (2) are frozen, a "pre-cooling" is applied at a temperature above zero, for example around +3°C, for a certain time period, maintaining to bring the interior portions of all the foodstuffs (F) in the compartment (2) to virtually the same temperature as the interior.
[0019] In the second phase, the interior temperature of the compartment (2) is very quickly lowered from a temperature above zero to a temperature below zero, for example from approximately +3°C to about -5°C, applying the shock freezing process to the foodstuffs (F). By this means, the water molecules inside the food (F) are frozen at approximately the same time. Since the shock freezing process is very critical, the door of the cooling device (1) can be locked automatically or by the user at this phase.
[0020] The third phase is the "storing" phase, the foodstuffs (F) that are quickly frozen by the shock freezing process are brought to the temperature value, for example to about -30°C at which they will be stored for a long time. [0021] In the embodiment of the present invention, the control unit (5) increases or decreases the duration of at least one of the pre-cooling phase, shock freezing phase or storing phase that make up the quick freezing process according to the amount of foodstuffs (F).
[0022] In the preferred embodiment of the present invention, in the pre-cooling phase before the shock freezing phase, the duration required for cooling until the temperature at the interior and exterior parts of the foodstuffs (F) are at the same level, is determined by the control unit (5) depending on the data of food (F) amount. When the amount of food (F) data is used, the pre-cooling duration is adjusted so that shock freezing does not start before the temperature of interior and exterior parts of the foodstuffs (F) are at the same level and when the food (F) is ready for the shock freezing phase, waiting for a longer time than is necessary for starting the shock freezing phase and consumption of excess energy is prevented.
[0023] In an embodiment of the present invention, the amount of foodstuffs (F) placed in the compartment (2) is entered to the control unit (5) by means of the user interface by the user. The amount of foodstuffs (F) placed in the compartment (2) is entered to the user interface as the approximate weight (..gr) and/or volume (..cm3) estimated by the user.
[0024] In another embodiment of the present invention, the cooling device (1) comprises one or more food amount sensors (6) that detect the amount of foodstuffs (F) placed in the compartment (2) (Figures 2, 3).
[0025] In a version of this embodiment, the food amount sensor (6) can be the load sensor type and detects the weight of foodstuffs (F) placed in the compartment (2). In this embodiment, food amount sensors (6) are placed at each corner under the shelf, e.g. rectangular in shape, in the compartment (2), with the foodstuffs (F) stored thereon, and the weights detected by the food amount sensors (6) are evaluated all together for calculating the amount of food (F) in the compartment (2) (Figure 2).
[0026] In a version of this embodiment, the food amount sensor (6) detects the volume of the foodstuffs (F) placed in the compartment (2). In this embodiment, food amount sensors (6) are of the type that radiate light waves or ultrasonic type and are arranged equidistantly on the ceiling of the compartment (2) forming a matrix. The total volume of food (F) in the compartment (2) is calculated by making an altitude map according to the heights of the foodstuffs (F) in the compartment (2) with a precision depending on the number of food amount sensors (6) (Figure 3). In the cooling device (1) of the present invention, the efficiency is increased since the durations of the phases forming the quick freezing process are adjusted according to the food (F) amount data, whereby the food (F) can be stored for a longer period of time without reducing the nutritional value and consumption of excess energy is prevented.

Claims

Claims
1. AT cooling device (1) comprising a quick freezing compartment (2) wherein the foodstuffs (F) stored therein are quick frozen, a compressor (3), a condenser, and an evaporator that maintain the cooling cycle, and a fan (4) that aspirates the air over the evaporator for cooling the compartment (2) and characterized by a control unit (5) that determines and applies the parameters such as the rate of cooling and cooling duration required for the quick freezing process of foodstuffs (F) according to the data of foodstuffs (F) amount placed in the compartment (2).
2. A cooling device (1) as in Claim 1 , characterized by the control unit (5) that regulates the operation and stopping durations and/or the operating speeds of the compressor (3) and/or the fan (4) according to the data of food (F) amount placed in the compartment (2).
3. A cooling device (1) as in Claim 1 or 2, characterized by the control unit (5) that increases or decreases the duration of at least one of the pre-cooling phase, shock freezing phase or storing phase that make up the quick freezing process according to the data of foodstuffs (F) amount.
4. A cooling device (1) as in Claim 3, characterized by the control unit (5) that determines the duration required for cooling until the temperature at the interior and exterior parts of the foodstuffs (F) are at the same level depending on the data of food (F) amount in the pre-cooling phase before the shock freezing phase.
5. A cooling device (1) as in any one of the above claims, characterized by a user interface to which the amount of food (F) placed in the compartment (2) is entered by the user.
6. A cooling device (1) as in any one of the Claims 1 to 4, characterized by one or more food amount sensors (6) that detect the amount of foodstuffs (F) placed in the compartment (2).
7. A cooling device (1) as in Claim 6, characterized by the food amount sensors (6) that detect the weight of foodstuffs (F) placed in the compartment (2).
8. A cooling device (1) as in Claim 7, characterized by the food amount sensors (6) placed at each corner under the shelf situated in the compartment (2) with the foodstuffs (F) stored thereon and the weights detected are evaluated all together for calculating the amount of food (F) in the compartment (2).
9. A cooling device (1) as in Claim 6 or 7, characterized by the food amount sensors (6) that detect the volume of foodstuffs (F) placed in the compartment (2).
10. A cooling device (1) as in Claim 9, characterized by the food amount sensors (6) of the types that radiate light waves or ultrasonic type that are arranged equidistantly on the ceiling of the compartment (2) forming a matrix.
PCT/EP2008/052788 2007-03-15 2008-03-07 A cooling device WO2008110516A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRTR2007/01611 2007-03-15
TR200701611 2007-03-15

Publications (2)

Publication Number Publication Date
WO2008110516A2 true WO2008110516A2 (en) 2008-09-18
WO2008110516A3 WO2008110516A3 (en) 2009-03-26

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Application Number Title Priority Date Filing Date
PCT/EP2008/052788 WO2008110516A2 (en) 2007-03-15 2008-03-07 A cooling device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2525171A1 (en) * 2010-03-09 2012-11-21 Panasonic Corporation Refrigerator
DE102011117506A1 (en) * 2011-11-02 2013-05-02 Wurm Gmbh & Co. Kg Elektronische Systeme Household refrigerator i.e. refrigerated sales cabinet, for e.g. normal refrigeration of food products intended for sales, has control device controlling cooling performance of cooling circuit based on determined weight of goods
EP2728283A4 (en) * 2012-04-04 2015-05-27 Dongbu Daewoo Electronics Corp Refrigerator having temperature transition room

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554567A1 (en) * 1983-11-08 1985-05-10 Bosch Siemens Hausgeraete Economical running of domestic freezer
EP1074803A2 (en) * 1999-08-05 2001-02-07 CANDY S.p.A. Refrigerator with blast chiller and quick freezer
US6204763B1 (en) * 1999-03-22 2001-03-20 Jujitsu Limited Household consumable item automatic replenishment system including intelligent refrigerator
EP1524482A2 (en) * 2003-10-13 2005-04-20 Lg Electronics Inc. Control method for refrigerator
EP1564514A1 (en) * 2004-02-12 2005-08-17 Whirlpool Corporation A refrigerator and a method for controlling variable cooling capacity thereof
RU2278337C2 (en) * 2004-12-22 2006-06-20 Общество с ограниченной ответственностью "Темп-11" Quick freezing fluidizing apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554567A1 (en) * 1983-11-08 1985-05-10 Bosch Siemens Hausgeraete Economical running of domestic freezer
US6204763B1 (en) * 1999-03-22 2001-03-20 Jujitsu Limited Household consumable item automatic replenishment system including intelligent refrigerator
EP1074803A2 (en) * 1999-08-05 2001-02-07 CANDY S.p.A. Refrigerator with blast chiller and quick freezer
EP1524482A2 (en) * 2003-10-13 2005-04-20 Lg Electronics Inc. Control method for refrigerator
EP1564514A1 (en) * 2004-02-12 2005-08-17 Whirlpool Corporation A refrigerator and a method for controlling variable cooling capacity thereof
RU2278337C2 (en) * 2004-12-22 2006-06-20 Общество с ограниченной ответственностью "Темп-11" Quick freezing fluidizing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2525171A1 (en) * 2010-03-09 2012-11-21 Panasonic Corporation Refrigerator
EP2525171A4 (en) * 2010-03-09 2014-02-19 Panasonic Corp Refrigerator
DE102011117506A1 (en) * 2011-11-02 2013-05-02 Wurm Gmbh & Co. Kg Elektronische Systeme Household refrigerator i.e. refrigerated sales cabinet, for e.g. normal refrigeration of food products intended for sales, has control device controlling cooling performance of cooling circuit based on determined weight of goods
EP2728283A4 (en) * 2012-04-04 2015-05-27 Dongbu Daewoo Electronics Corp Refrigerator having temperature transition room

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