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EP2413074B1 - Multi-compartment refrigerating apparatus for storing fresh food at different temperatures - Google Patents

Multi-compartment refrigerating apparatus for storing fresh food at different temperatures Download PDF

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Publication number
EP2413074B1
EP2413074B1 EP10170780A EP10170780A EP2413074B1 EP 2413074 B1 EP2413074 B1 EP 2413074B1 EP 10170780 A EP10170780 A EP 10170780A EP 10170780 A EP10170780 A EP 10170780A EP 2413074 B1 EP2413074 B1 EP 2413074B1
Authority
EP
European Patent Office
Prior art keywords
fresh
compartment
food sub
temperature
food
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
EP10170780A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2413074A1 (en
Inventor
Marco Beni
Augusto Buosi
Vittorio Velli
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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
Priority to PL10170780T priority Critical patent/PL2413074T3/pl
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to ES10170780T priority patent/ES2412505T3/es
Priority to EP10170780A priority patent/EP2413074B1/en
Priority to PCT/EP2011/061719 priority patent/WO2012013478A1/en
Priority to AU2011285039A priority patent/AU2011285039B2/en
Priority to US13/811,496 priority patent/US20130205809A1/en
Priority to BR112013001705-8A priority patent/BR112013001705B1/pt
Priority to MX2013000976A priority patent/MX2013000976A/es
Priority to CN201180034984.XA priority patent/CN103026155B/zh
Priority to RU2013108239/13A priority patent/RU2565087C2/ru
Priority to KR1020137004486A priority patent/KR20130038934A/ko
Publication of EP2413074A1 publication Critical patent/EP2413074A1/en
Application granted granted Critical
Publication of EP2413074B1 publication Critical patent/EP2413074B1/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
    • 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
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • 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
    • F25D23/069—Cooling space dividing partitions
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • 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
    • 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
    • F25D2317/062—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 along the inside of doors
    • 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
    • F25D2317/068—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 characterised by the fans
    • F25D2317/0682—Two or more fans
    • 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
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/121—Sensors measuring the inside temperature of particular 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/123—Sensors measuring the inside temperature more than one sensor measuring the inside temperature in a compartment

Definitions

  • the present invention relates to refrigerating apparatuses, particularly refrigerators, for example for domestic use.
  • the present invention relates to refrigerators provided with two (or more) fresh-food sub-compartments, designed to operate at different ranges of temperatures.
  • Refrigerators with two (or more) fresh-food compartments operating at different temperature have been developed, achieving an enhanced storing capability, thanks to the different storage temperature ranges, allowing for store different kinds of food in an optimal way.
  • refrigerators with two fresh-food compartments have one compartment which operates in the range of temperatures typical of refrigerators (e.g ., from +3°C up to +7°C), and another compartment operating in a lower range of temperatures, typically near zero Celsius degrees, typically from 0°C to +3°C.
  • An easy way to obtain fresh-food compartments operating at different ranges of temperature is providing one evaporator for each compartment.
  • This solution though ensuring good performances, increases the cost of the refrigerator to a market uncompetitive extent.
  • Another solution is to draw cold air from a freezer provided in the refrigerator (when the refrigerator is integral with a freezer in a so-called combined refrigerator structure) and feed it to the low-temperature fresh-food compartment.
  • This solution using air at very low temperatures (typically from-18°C to -27°C), may damage the stored food if not properly designed and operated.
  • a further solution may be to use one evaporator shared with the other compartment(s).
  • Purpose of the present invention is to provide a cost-effective refrigerator with one or more low temperature compartments, for storing food safely for relative long periods of time.
  • the refrigerator comprises a first fresh-food sub-compartment for storing fresh foods at a first range of temperatures, at least a second fresh-food sub-compartment for storing fresh foods at a second range of temperatures lower than the first range of temperatures, a panel separating the first and second fresh-food sub-compartments, an evaporator for commonly refrigerating both the first and second fresh-food sub-compartments - the evaporator being mounted at the rear of the refrigerator and being separated from the fresh-food sub-compartments by a rear panel - and a main fan, provided in a rear wall and passing through the rear panel, for sucking air from the first fresh-food sub-compartment and blowing the same in an interspace and through the evaporator to be cooled down; said air returns into the first fresh-food sub-compartment and reaches the second fresh-food sub-compartment through apertures formed by the rear panel.
  • the separation panel has a substantially step-like shape, and comprises a first horizontal portion, a second horizontal portion at a higher level compared to the first horizontal portion, and an upright portion joining the first and second horizontal portions; the secondary fan is mounted on the separation panel in correspondence of the upright portion thereof.
  • the separation panel comprises or is made of a thermal insulating material for thermally insulating the first fresh-food sub-compartment from the second fresh-food sub-compartment.
  • the rear panel has lateral apertures into the first fresh-food sub-compartment and a bottom aperture into the second fresh-food sub-compartment.
  • the panel is formed so as to leave at least a frontal gap and/or a rear gap between the separation panel and a refrigerating compartment door, and between the separation panel and the rear panel, respectively.
  • the refrigerating apparatus further comprises a control unit for activating the main fan on a regular basis, with a first frequency depending on a prescribed maximum temperature selectable by a user.
  • the refrigerating apparatus further comprises a first temperature sensor for detecting a temperature in the first fresh-food sub-compartment, a control unit being configured for activating the main fan upon the detection, by the first temperature sensor, of a temperature higher than a prescribed maximum temperature, selectable by a user.
  • the refrigerating apparatus further comprises a second temperature sensor for detecting a temperature in the second fresh-food sub-compartment, the control unit being configured for activating the secondary fan upon the detection, by the second temperature sensor, of a temperature lower than a minimum temperature.
  • the control unit is configured for activating the secondary fan on a regular basis, with a second frequency depending on the minimum temperature.
  • the control unit is configured for activating the secondary fan when a difference, sensed by the first temperature sensor between the prescribed maximum temperature and a predetermined temperature difference is equal to, or lower than the minimum temperature.
  • the secondary fan is so oriented that the air blown by the secondary fan at least partly stops the air blown by the main fan and out-coming from the apertures of the rear panel into the second fresh-food sub-compartment.
  • the prescribed maximum temperature in the first fresh-food sub-compartment ranges from +3°C to +7°C.
  • the minimum temperature in the second fresh-food sub-compartment ranges from 0°C to +3°C.
  • a method of storing fresh foods comprising the steps of providing a refrigerator compartment, comprising a first and a second fresh-food sub-compartments; providing a panel for separating the first and the second fresh-food sub-compartments; providing an evaporator; providing a rear panel for separating the evaporator from the first and the second fresh-food sub-compartments; providing apertures in the rear panel for allowing fluid communication between the evaporator and the first and the second fresh-food sub-compartments; providing a main fan communicating with the evaporator and the first fresh-food sub-compartment; providing a secondary fan communicating with the first fresh-food sub-compartment and the second fresh-food sub-compartments; activating the main fan for keeping the temperature of the first fresh-food sub-compartment beneath a maximum temperature, and activating the secondary fan for keeping the temperature of the second fresh-food sub-compartment above a minimum temperature.
  • FIG. 1 a frontal view of a refrigerator 100 , without doors, according to an embodiment of the present invention.
  • the refrigerator 100 is a so-called combined refrigerator, being provided with a freezer compartment 105 in a same casing 110 that comprises a fresh-food compartment 115.
  • the fresh-food compartment 115 is divided in a first fresh-food sub-compartment 120 and a second fresh-food sub-compartment 125, separated by a panel 130, preferably capable of providing thermal insulation.
  • a main fan 135 is provided in the first fresh-food sub-compartment 120, preferably, albeit not limitatively, near the top of a rear wall 140.
  • an evaporator 145 (shown with dotted line) is provided.
  • the evaporator 145 extends vertically for most of the height of the first fresh-food sub-compartment 120 and has a lower portion 150 located in correspondence with the second fresh-food sub-compartment 125.
  • a secondary fan 155 is associated with the panel 130.
  • the panel 130 has a substantially step-like shape, with a first horizontal portion 130a, of prevalent extension, a second horizontal portion 130b, closer to the rear wall 140 and at a higher level with respect to the first panel portion 130a, and an upright portion 130c joining the first and second horizontal portions 130a and 130b.
  • the secondary fan 155 is mounted on the panel 130 in correspondence of the upright portion 130c thereof.
  • the panel separating the first and second fresh-food sub-compartments may be shaped differently, for example may be flat, and the secondary fan may be mounted horizontally on it.
  • FIG 2 shows schematically a sectional (on an axis II-II shown in Figure 1 ) view of the refrigerator 100 of Figure 1 .
  • a rear panel 160 defines an interspace 165 with the rear wall 140 and separates the evaporator 145 from the fresh-food compartment 115.
  • the main fan 135 passes through the rear panel 160 and reaches the interspace 165.
  • the rear panel 160 has a smaller width than the rear wall 140 leaving lateral apertures 170 running along the vertical sides of the rear wall 140 of the fresh-food compartment 115 for a length preferably, albeit not limitatively, corresponding to the length of the evaporator 145.
  • the panel 160 extends, in the vertical direction, for almost the entire height of the first fresh-food sub-compartment 120, and also in an upper portion of the second fresh-food sub-compartment 125. Therefore, the lateral apertures 170 extend, for a main part thereof, in the first fresh-food sub-compartment 120 and, in a shorter part thereof, in the second fresh-food sub-compartment 125.
  • Another aperture 175 is defined at the lower end of the rear panel 160, still between the panel 160 and the rear wall 140, into the second fresh-food sub-compartment 125. Thanks to the lateral apertures 170 and the bottom aperture 175, a fluid communication between the evaporator 145 and the fresh-food compartment 115 is created.
  • the aperture 175 is preferably placed in front of the secondary fan 155.
  • the rear panel 160 may be substituted by alternative rear panels provided with holes or with a grid-like structure for creating a fluid communication between the evaporator and the fresh-food compartment 115.
  • first horizontal portion 130a of the panel 130 has such a length that leaves a frontal gap 177 between a front door 178 of the fresh-food compartment 115 and the panel 130 itself.
  • a rear gap 179 can be provided between the rear panel 160 and the second horizontal portion 130b of the panel 130.
  • additional apertures may be provided in the first and second horizontal portions 130a, 130b as well as in the upright portion 130c of the panel 130.
  • the operation of the refrigerator 100 is managed by a refrigerator control unit 180.
  • a first temperature sensor 185 and a second temperature sensor 190 can be provided in the first fresh-food sub-compartment 120 and in the second fresh-food sub-compartment 125, respectively, for allowing the refrigerator control unit 180 to monitor the temperatures in both the fresh-food sub-compartments 120 and 125.
  • the main fan 135 and the evaporator 145 are actuated by the refrigerator control unit 180 to keep the first fresh-food sub-compartment 120 below a prescribed maximum temperature T , typically selected by a user; in more detail, the prescribed maximum temperature T is typically adjustable by means of, for example, a well known in the art thermostat (not shown in figures) in a range of temperatures that goes from +3°C to +7°C.
  • the main fan 135 sucks air from the first fresh-food sub-compartment 120 and blows it into the interspace 165, where the air is cooled by the evaporator 145.
  • the cooled air then partly returns into the first fresh-food sub-compartment 120 through the apertures 170 extending in first fresh-food sub-compartment 120 and partly reaches the second fresh-food sub-compartment 125 through the aperture 175 and the apertures 170 extending in second fresh-food sub-compartment 125.
  • the temperature of the first fresh-food sub-compartment 120 is lowered until brought under the prescribed maximum temperature T selected by the user. Once such condition is reached, the evaporator 145 and the main fan 135 are the switched off.
  • the temperature of the second fresh-food sub-compartment 125 is lowered.
  • the temperature of the second fresh-food sub-compartment 125 is brought to a temperature lower than that of the first fresh-food sub-compartment 120.
  • cold air tends to remain confined in the second fresh-food sub-compartment 125; in addition, cold air in the bottom of the first fresh-food sub-compartment 120 tends to fall into the second fresh-food sub-compartment 125 through the frontal and rear gaps 177,179.
  • the second fresh-food sub-compartment 125 which is smaller than the first fresh-food sub-compartment 120 and thermally insulated therefrom by the panel 130, the latter preferably comprising or being made of at least one high insulating material
  • the exchange of heat with the outside environment is smaller compared to that taking place in respect of the first fresh-food sub-compartment 120.
  • the second fresh-food sub-compartment 125 is located above the freezer compartment 105, which is at a very low temperature, so no heat enters into the sub-compartment 125 from the bottom thereof.
  • the air reaching the second fresh-food sub-compartment 125 through aperture 175 and the lower part of apertures 170 is colder than the air reaching the first fresh-food sub-compartment 120 through the upper part of apertures 170 because the first runs along the whole evaporator 145 before leaving the interspace 165.
  • colder air tends to flow into the second fresh-food sub-compartment 125 through aperture 175 and through the apertures 170 extending in the bottom part of rear panel 160.
  • the panel 130 prevents air from the two fresh-food sub-compartments 120 and 125 to mix to such an extent as to reach a common temperature (higher for the second fresh-food sub-compartment 125 and lower for the first fresh-food sub-compartment 120 than the selected values).
  • the refrigerator control unit 180 may also actuate the main fan 135 and the evaporator 145 periodically (e.g ., using cycles of activation of a predetermined duration with a frequency dependent on the temperature selected by the user), or by monitoring the temperature in the first fresh-food sub-compartment 120 by means of the first temperature sensor 185 provided inside thereof ( i.e ., actuating the evaporator 145 and the main fan 135 whenever a temperature is detected that is above the prescribed maximum temperature T ).
  • the secondary fan 155 is actuated by the refrigerator control unit 180 in such a way as to keep the temperature of the second fresh-food sub-compartment 125 within a prescribed temperature range and, in particular, above a predetermined minimum temperature Tm ; in more detail, the minimum temperature Tm is typically comprised in a food-safety range of temperatures that goes from 0°C to +3°C.
  • the secondary fan 155 sucks air from the first fresh-food sub-compartment 120 and blows it into the second fresh-food sub-compartment 125.
  • Such air has a higher temperature than the air in the second fresh-food sub-compartment 125, for the reasons discussed above; therefore, blowing air from the first fresh-food sub-compartment 120 into the second fresh-food sub-compartment 125 allows raising the temperature in the second fresh-food sub-compartment 125 (to an extent that depends on the activation time of the secondary fan 155). Additionally, airflow generated by the secondary fan 155 contrasts an opposite airflow generated by actuating the main fan 135 and entering into the second fresh-food sub-compartment 125 through the apertures 170 (at the lower portion of panel 160) and the aperture 175.
  • the secondary fan 155 may be designed for generating the airflow in such a way as to at least partly or fully stop the opposite airflow coming from the interspace 165, preventing it to further cool down the second fresh-food sub-compartment 125, until its temperature has risen above the minimum temperature.
  • the control unit may actuate the secondary fan 155 whenever a temperature equal to, or lower than the minimum temperature Tm is detected by means of the second temperature sensor 190 provided inside the second fresh-food sub-compartment 125.
  • the second fresh-food sub-compartment 125 is designed to have a temperature lower than the prescribed maximum temperature T of the first fresh food sub-compartment 120 of a fixed temperature difference ⁇ T ( e.g ., 4°C).
  • the secondary fan can be activated periodically by the control unit 180 ( i.e ., using cycles of fan activation of a predetermined duration with a frequency dependent on the prescribed maximum temperature T ) to prevent the temperature in the second fresh-food sub-compartment 125 from dropping below 0°C, only when the prescribed maximum temperature T of the first fresh food sub-compartment 120 is set at relatively low values ( e.g ., between +3 and +4°C) by the user.
  • the temperature in the second fresh-food sub-compartment 125 stays in the range between +3 and +1°C, so the secondary fan 155 is always off.
  • the prescribed maximum temperature T is set between +3 and +4°C the temperature in the second fresh-food sub-compartment 125 could drop in the range between -1 and 0°C, so the secondary fan 155 will be periodically actuated to keep it above 0°C.

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  • 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)
EP10170780A 2010-07-26 2010-07-26 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures Active EP2413074B1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
ES10170780T ES2412505T3 (es) 2010-07-26 2010-07-26 Aparato de refrigeración de varios compartimentos para el almacenamiento de alimentos frescos a diferentes temperaturas
EP10170780A EP2413074B1 (en) 2010-07-26 2010-07-26 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures
PL10170780T PL2413074T3 (pl) 2010-07-26 2010-07-26 Wielokomorowe urządzenie chłodnicze do przechowywania świeżej żywności w różnych temperaturach
AU2011285039A AU2011285039B2 (en) 2010-07-26 2011-07-11 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures
US13/811,496 US20130205809A1 (en) 2010-07-26 2011-07-11 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures
BR112013001705-8A BR112013001705B1 (pt) 2010-07-26 2011-07-11 aparelho de refrigeração e método de armazenamento de alimentos frescos
PCT/EP2011/061719 WO2012013478A1 (en) 2010-07-26 2011-07-11 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures
MX2013000976A MX2013000976A (es) 2010-07-26 2011-07-11 Aparato refrigerante de compartimiento multiple para almacenar alimento fresco a diferentes temperaturas.
CN201180034984.XA CN103026155B (zh) 2010-07-26 2011-07-11 用于在不同温度下存储新鲜食品的多隔室制冷设备
RU2013108239/13A RU2565087C2 (ru) 2010-07-26 2011-07-11 Многокамерное холодильное устройство для хранения свежих пищевых продуктов при разных температурах
KR1020137004486A KR20130038934A (ko) 2010-07-26 2011-07-11 다양한 온도에서 신선 식품을 보관하기 위한 다중 격실 냉장 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10170780A EP2413074B1 (en) 2010-07-26 2010-07-26 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures

Publications (2)

Publication Number Publication Date
EP2413074A1 EP2413074A1 (en) 2012-02-01
EP2413074B1 true EP2413074B1 (en) 2013-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10170780A Active EP2413074B1 (en) 2010-07-26 2010-07-26 Multi-compartment refrigerating apparatus for storing fresh food at different temperatures

Country Status (11)

Country Link
US (1) US20130205809A1 (ru)
EP (1) EP2413074B1 (ru)
KR (1) KR20130038934A (ru)
CN (1) CN103026155B (ru)
AU (1) AU2011285039B2 (ru)
BR (1) BR112013001705B1 (ru)
ES (1) ES2412505T3 (ru)
MX (1) MX2013000976A (ru)
PL (1) PL2413074T3 (ru)
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CN107120896B (zh) * 2017-02-28 2020-05-01 青岛海尔特种电冰柜有限公司 蒸发器顶置式制冷设备
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CN106895639B (zh) * 2017-02-28 2020-03-31 青岛海尔特种电冰柜有限公司 多温区风冷式制冷设备
CN108507257B (zh) * 2017-02-28 2020-09-11 青岛海尔特种电冰柜有限公司 风冷式制冷设备
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BR112013001705A2 (pt) 2016-05-31
CN103026155B (zh) 2015-12-09
CN103026155A (zh) 2013-04-03
PL2413074T3 (pl) 2013-09-30
ES2412505T3 (es) 2013-07-11
KR20130038934A (ko) 2013-04-18
WO2012013478A1 (en) 2012-02-02
US20130205809A1 (en) 2013-08-15
BR112013001705B1 (pt) 2020-11-03
RU2565087C2 (ru) 2015-10-20
AU2011285039A1 (en) 2013-02-07
EP2413074A1 (en) 2012-02-01
AU2011285039B2 (en) 2014-03-20
RU2013108239A (ru) 2014-09-10

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