EP1621831A1 - Congélateur pour le refroidissement rapide de produits alimentaires et réfrigérateur le comprenant - Google Patents

Congélateur pour le refroidissement rapide de produits alimentaires et réfrigérateur le comprenant Download PDF

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Publication number
EP1621831A1
EP1621831A1 EP04425583A EP04425583A EP1621831A1 EP 1621831 A1 EP1621831 A1 EP 1621831A1 EP 04425583 A EP04425583 A EP 04425583A EP 04425583 A EP04425583 A EP 04425583A EP 1621831 A1 EP1621831 A1 EP 1621831A1
Authority
EP
European Patent Office
Prior art keywords
freezer
rack
compartment
container
ventilator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04425583A
Other languages
German (de)
English (en)
Other versions
EP1621831B1 (fr
Inventor
Silvano Fumagalli
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.)
Candy SpA
Original Assignee
Candy SpA
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 Candy SpA filed Critical Candy SpA
Priority to EP20040425583 priority Critical patent/EP1621831B1/fr
Priority to ES04425583T priority patent/ES2434103T3/es
Publication of EP1621831A1 publication Critical patent/EP1621831A1/fr
Application granted granted Critical
Publication of EP1621831B1 publication Critical patent/EP1621831B1/fr
Expired - Fee Related 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
    • 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
    • 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
    • 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
    • F25D2317/065—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 air return
    • F25D2317/0655—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 air return through the top
    • 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
    • F25D2317/066—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 air supply
    • F25D2317/0665—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 air supply from the top
    • 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
    • F25D2400/04—Refrigerators with a horizontal mullion
    • 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
    • F25D2400/28—Quick cooling

Definitions

  • the present invention refers to a freezer suitable to quickly cool food and to a refrigerator comprising said freezer.
  • Current household refrigerators normally comprise at least two compartments at different temperature, one with a higher temperature (typically between +3°C and +6°C) for fresh food and the other one at a lower temperature and (typically -18°C) for frozen and shock frozen food.
  • Each one of the two compartments is provided with a respective evaporator, or with a respective portion of a same evaporator, which is part of an unusual refrigeration circuit with compressor and condensator.
  • refrigerators are generally "no frost", which means they are provided with means suitable to prevent the formation of frost on the wall of the evaporator. For such reason in the compartment at lower temperature a so called “ventilated” evaporator is provided, which is subjected to forced circulation of air.
  • each food which has previously been cooked at a temperature greater or equal to 90°C, starts to irreversibly deteriorate due to the very quick proliferation of bacteria present in the air and of the spores which survived to the cooking.
  • the temperature range within which there is the highest development of bacteria is comprised between +70°C and +3°C.
  • blast chillers are utilised which allow to bring the core temperature of food from +70°C to +3°C in 90 minutes. In this way the ageing process of the product, which can be stored in the refrigerator for 5/7 days, is slowed.
  • Both blast chillers as well as quick freezers are usually part of a single household appliance, and such household appliance is made in a way separate from household refrigerators.
  • the object of the present invention is to provide a freezer suitable to quickly cool food that is different from the known freezers.
  • said object is attained by means of a freezer comprising a cabinet, a compartment and refrigeration circuit with relative condensator, compressor, evaporator and ventilator, said ventilator being suitable to forcedly circulate air though said evaporator and inside said compartment by means of at least one opening, characterised in that it comprises at least one container and in that said at least one opening for the inlet of air forced by the ventilator inside said compartment is arranged in proximity of the ventilator, the latter conveying the cooled air from the evaporator on said at least one container.
  • FIG. 1 a refrigerator having two compartments, respectively 1 and 2, respectively at lower (freezer) and at higher temperature separated by a horizontal separation wall 3 inside a common cabinet 4 is shown. Such compartments are closed by respective independent doors 5 and 6.
  • an evaporator 7 is present which is part of a refrigeration circuit 8 which comprises a compressor 9, a filter 11, a condensator 12 and flow laminators 13.
  • the evaporator 7 is arranged in a housing or interspace 70 obtained inside the cabinet 4 and on top of the compartment 1.
  • Said ventilator 14 is suitable to intake the air which passes through the evaporator 7 and it is suitable to convey the cooled air into the compartments 1 and 2.
  • top rack 20 Inside the freezer 1 two racks are arranged, a top rack 20 and a bottom rack 30; the top rack 20 bears a container 21 movable along the rack 20, more precisely slidable on the rack 20.
  • the freezer 1 is provided with mouths 101-103 for the access of the cool air forcedly circulated by the ventilator 14 and with an opening 105 for the outflow of air from the compartment 1 toward the evaporator 7.
  • the mouth 101 directly communicates with the ventilator 14 and the evaporator 7in such a way that the cooler air is conveyed by said mouth 101 on the rack 20. If the container 21 is moved from a position of rest A, in proximity of the door 5 and far from the mouth 101, to a working position B, below the mouth 101, the food arranged in said container is influenced by the cooler air coming from the ventilator 14 and from the evaporator 7; in such way a quick cooling of the food arranged in the container 21 is provided and more particularly a quick freezing of the food present in the container 21 since said food reaches the temperature of about -18°C in a more rapid way than other food arranged in the same compartment 1.
  • the cool air which circulates in the compartment 1 exits through the opening 105, passes through the evaporator 7 while cooling and it is conveyed by the ventilator 14 toward the compartments 1 and 2.
  • the air which circulates in the compartment 2 enters through the duct 90, the mouths 104 and 106 and it outflows through the opening 107, it runs through the duct 109 and the duct 110 so as to go back to the ventilator 14.
  • the openings 104 and 106 are provided with suitable valves 121, 122 controlled by a thermostat 120. The forced circulation of air prevents the formation of frost.
  • the same freezer compartment 1 has instead three mouths for the inlet of cool air, a larger opening 130 to convey all the cooler air coming from the ventilator 14 toward the container 21 arranged on the lower rack 30.
  • FIG. 3 Another variation of the second embodiment of the invention, which is shown in Figure 3, provides the presence of two containers 21 arranged one on the rack 20 and the other one on the rack 30 in such a way so as to have two zones for the quick cooling of food.
  • the two containers 21 are arranged in proximity of the mouths 140 and 141 for the inlet of cool air.
  • the mouth 140 is also provided with a valve 142 to close it in the case of absence of the container 21 or in the case one wants to utilise only the container 21 of the rack 30 for the quick cooling of food.
  • the freezers shown in Figures 1- 3 can be considered to be as single or part of a 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP20040425583 2004-07-29 2004-07-29 Congélateur pour le refroidissement rapide de produits alimentaires et réfrigérateur le comprenant Expired - Fee Related EP1621831B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20040425583 EP1621831B1 (fr) 2004-07-29 2004-07-29 Congélateur pour le refroidissement rapide de produits alimentaires et réfrigérateur le comprenant
ES04425583T ES2434103T3 (es) 2004-07-29 2004-07-29 Congelador adecuado para enfriar rápidamente alimentos y un refrigerador que comprende dicho congelador

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040425583 EP1621831B1 (fr) 2004-07-29 2004-07-29 Congélateur pour le refroidissement rapide de produits alimentaires et réfrigérateur le comprenant

Publications (2)

Publication Number Publication Date
EP1621831A1 true EP1621831A1 (fr) 2006-02-01
EP1621831B1 EP1621831B1 (fr) 2013-08-14

Family

ID=34932681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040425583 Expired - Fee Related EP1621831B1 (fr) 2004-07-29 2004-07-29 Congélateur pour le refroidissement rapide de produits alimentaires et réfrigérateur le comprenant

Country Status (2)

Country Link
EP (1) EP1621831B1 (fr)
ES (1) ES2434103T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1862751A3 (fr) * 2006-06-02 2008-01-23 Gorenje Gospodinjski aparati d.d. Élément de réfrigération modulaires
WO2010062021A2 (fr) * 2008-11-26 2010-06-03 Lg Electronics Inc. Réfrigérateur et procédé de commande de celui-ci
WO2013143909A1 (fr) * 2012-03-28 2013-10-03 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de refroidissement comportant un agencement de refroidissement rapide
EP2218987A3 (fr) * 2009-02-13 2016-12-28 BSH Hausgeräte GmbH Appareil frigorifique doté d'une fonction de refroidissement de bouteilles
US10072888B2 (en) 2014-08-18 2018-09-11 Samsung Electronics Co., Ltd. Refrigerator
EP3343144A4 (fr) * 2015-08-26 2019-04-24 Qingdao Haier Joint Stock Co., Ltd Réfrigérateur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01111181A (ja) * 1987-10-26 1989-04-27 Matsushita Refrig Co Ltd 冷凍冷蔵庫
US4879881A (en) * 1988-09-19 1989-11-14 Madigan Stephen M Energy efficient frost-free refrigerator
JPH0289979A (ja) * 1988-09-28 1990-03-29 Mitsubishi Electric Corp 冷凍冷蔵庫
JPH05126452A (ja) * 1991-11-07 1993-05-21 Matsushita Refrig Co Ltd 冷蔵庫
JPH05133680A (ja) * 1991-11-08 1993-05-28 Sanyo Electric Co Ltd 冷蔵庫の急速冷凍室の温度検知装置
JP2000002476A (ja) * 1998-06-18 2000-01-07 Hitachi Ltd 冷凍冷蔵庫

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01111181A (ja) * 1987-10-26 1989-04-27 Matsushita Refrig Co Ltd 冷凍冷蔵庫
US4879881A (en) * 1988-09-19 1989-11-14 Madigan Stephen M Energy efficient frost-free refrigerator
JPH0289979A (ja) * 1988-09-28 1990-03-29 Mitsubishi Electric Corp 冷凍冷蔵庫
JPH05126452A (ja) * 1991-11-07 1993-05-21 Matsushita Refrig Co Ltd 冷蔵庫
JPH05133680A (ja) * 1991-11-08 1993-05-28 Sanyo Electric Co Ltd 冷蔵庫の急速冷凍室の温度検知装置
JP2000002476A (ja) * 1998-06-18 2000-01-07 Hitachi Ltd 冷凍冷蔵庫

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 287 (M - 0988) 21 June 1990 (1990-06-21) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 503 (M - 1478) 10 September 1993 (1993-09-10) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 517 (M - 1481) 17 September 1993 (1993-09-17) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04 31 August 2000 (2000-08-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 18 5 June 2001 (2001-06-05) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1862751A3 (fr) * 2006-06-02 2008-01-23 Gorenje Gospodinjski aparati d.d. Élément de réfrigération modulaires
WO2010062021A2 (fr) * 2008-11-26 2010-06-03 Lg Electronics Inc. Réfrigérateur et procédé de commande de celui-ci
WO2010062021A3 (fr) * 2008-11-26 2010-12-23 Lg Electronics Inc. Réfrigérateur et procédé de commande de celui-ci
US8341974B2 (en) 2008-11-26 2013-01-01 Lg Electronics Inc. Refrigerator and method of controlling the same
EP2218987A3 (fr) * 2009-02-13 2016-12-28 BSH Hausgeräte GmbH Appareil frigorifique doté d'une fonction de refroidissement de bouteilles
WO2013143909A1 (fr) * 2012-03-28 2013-10-03 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de refroidissement comportant un agencement de refroidissement rapide
CN104204694A (zh) * 2012-03-28 2014-12-10 Bsh博世和西门子家用电器有限公司 包括快速冷却装置的冷却设备
CN104204694B (zh) * 2012-03-28 2017-03-08 Bsh家用电器有限公司 包括快速冷却装置的冷却设备
US10072888B2 (en) 2014-08-18 2018-09-11 Samsung Electronics Co., Ltd. Refrigerator
EP3343144A4 (fr) * 2015-08-26 2019-04-24 Qingdao Haier Joint Stock Co., Ltd Réfrigérateur

Also Published As

Publication number Publication date
ES2434103T3 (es) 2013-12-13
EP1621831B1 (fr) 2013-08-14

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