EP0754284A1 - Gefrierapparat mit einer vorrichtung zum schnellgefrieren mittels kältspeicher - Google Patents

Gefrierapparat mit einer vorrichtung zum schnellgefrieren mittels kältspeicher

Info

Publication number
EP0754284A1
EP0754284A1 EP95918020A EP95918020A EP0754284A1 EP 0754284 A1 EP0754284 A1 EP 0754284A1 EP 95918020 A EP95918020 A EP 95918020A EP 95918020 A EP95918020 A EP 95918020A EP 0754284 A1 EP0754284 A1 EP 0754284A1
Authority
EP
European Patent Office
Prior art keywords
compartment
evaporator
cold
rapid freezing
accumulators
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
EP95918020A
Other languages
English (en)
French (fr)
Other versions
EP0754284B1 (de
Inventor
Bernard Fafournoux
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0754284A1 publication Critical patent/EP0754284A1/de
Application granted granted Critical
Publication of EP0754284B1 publication Critical patent/EP0754284B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
    • 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
    • F25D11/006—Self-contained movable devices, e.g. domestic refrigerators with cold storage accumulators
    • 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
    • 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
    • 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
    • F25D2400/30—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
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • 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
    • F25D2700/122—Sensors measuring the inside temperature of freezer compartments

Definitions

  • the present invention relates to the rapid freezing of food, and more particularly in the household or hotel sector, providing the possibility of freezing in the most desirable manner, to obtain a quality frozen product.
  • the device according to the invention overcomes this drawback by simply using a conventional refrigeration unit used to operate a common type freezer or fridge-freezer, this group cools a cold storage battery, which, when required, restores thus being able to produce a large amount of cold in a very short time.
  • the solution provided by the present device resides in the use of air cooled simultaneously by the evaporator of the device and by a cold storage battery, itself previously cooled by said evaporator, this air is drawn from inside a quick-freezing compartment.
  • the device according to the invention comprises, a refrigeration unit of conventional type, one evaporator of which is placed in a chamber called “cold accumulation chamber”, inside this chamber are also placed cold accumulators.
  • the assembly communicates with a quick-freezing compartment in which the air cooled simultaneously by one evaporator and by the cold accumulators is drawn by fans or the like.
  • Figure 1 shows in section, the device according to the invention. With reference to this drawing, this device comprises a compartment here called “cold storage chamber", it is located according to the preferred embodiment shown in the drawing, at the bottom of the cabinet, behind the freezing compartment occupying the entire interior width furniture (1).
  • evaporator (2) of the refrigeration unit Inside this chamber are housed the evaporator (2) of the refrigeration unit as well as two cold storage batteries fixed on each side of the evaporator (3) and (7) (here, eutectic plates whose solution is dosed so as to obtain a eutexia point at approximately minus 30 degrees Celcius).
  • the present invention does not limit the kind of product used to constitute cold accumulators or the degree of temperature at which these accumulators can give their maximum efficiency.
  • the accumulators are spaced apart, and the two batteries are also placed at a distance from the evaporator to allow the free circulation of air.
  • This cold storage chamber communicates over its entire width via a duct (4) with the upper bottom of the compartment reserved for rapid freezing (5).
  • a series of fans or the like is placed in said duct (9) having the function of drawing the air coming from the cold storage chamber in the rapid freezing compartment (5).
  • this air after having cooled the product stored in the rapid freezing compartment, exits through the opening made at the bottom bottom and over the entire width of said compartment in (6), to re-enter the cold storage chamber, this air then cools on contact with the storage battery (7) and the evaporator (2) then passes through the passage located in the lower part of the cold storage chamber (8) and rises along the accumulator battery (3) while continuing to cool on contact with it and with that of the evaporator.
  • the envelope of the cold accumulators is provided with corrugations in order to offer a maximum of surface to allow a maximum of exchange of cold.
  • the same evaporator cools the freezing compartment (10) through the wall (11) which has inside, an insulating material so that the cold from the cold storage chamber (which is here the order of minus 30 degrees approximately) is attenuated in the freezing compartment, which does not require such a low temperature for the preservation of food.
  • the air cooled by the cold storage chamber enters the freezing compartment through a duct which passes through the wall (11) which is provided with a solenoid valve controlled by a thermostat placed in the freezer compartment.
  • a grid is arranged at (12) to prevent food projections from obstructing the conduits (4) and (6).
  • the door of the rapid freezing compartment is at (13) and that of the freezing compartment at (14).
  • the defrosting of the cold storage chamber as well as of the rapid freezing compartment is obtained in a nonlimiting mode by heating cables fixed between one evaporator and the cold accumulators, its operation is ensured automatically by the control means. and conventional detection, which simultaneously activate the fans and lock one solenoid valve of the wall (11) for the duration of the defrost.
  • the bottom of the cold storage chamber has a low point and the elements commonly used for the evacuation of defrost water.
  • a switch not shown here is fixed within easy reach of the user, it is controlled by a timer which will be set beforehand by the user according to the time necessary for the rapid freezing of the products stored in the rapid freezing compartment, (A manual giving the times necessary for the rapid freezing of the product is provided for user information.) Said switch causes the fans to start and simultaneously the forced operation of the refrigeration unit for the time determined by the timer, after which , the refrigeration unit is controlled by conventional detection devices placed in the cold storage chamber and adjusted according to the desired degree of cold.
  • a temperature detection and regulation device such as, for example, a thermostat installed in the storage chamber cold.
  • This device can be powered by an independent refrigeration unit or by a group also comprising a second evaporator for cooling a positive temperature compartment which then includes the traditional regulatory elements specific to devices at two temperatures (positive and negative).

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP95918020A 1994-04-15 1995-04-18 Gefrierapparat mit einer vorrichtung zum schnellgefrieren mittels kältespeicher Expired - Lifetime EP0754284B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9404903 1994-04-15
FR9404903A FR2718834A1 (fr) 1994-04-15 1994-04-15 Congélateur comportant un dispositif pour congélation rapide à accumulateurs de froid.
PCT/FR1995/000500 WO1995028608A1 (fr) 1994-04-15 1995-04-18 Congelateur comportant un dispositif pour congelation rapide a accumulateurs de froid

Publications (2)

Publication Number Publication Date
EP0754284A1 true EP0754284A1 (de) 1997-01-22
EP0754284B1 EP0754284B1 (de) 1997-08-27

Family

ID=9462442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95918020A Expired - Lifetime EP0754284B1 (de) 1994-04-15 1995-04-18 Gefrierapparat mit einer vorrichtung zum schnellgefrieren mittels kältespeicher

Country Status (5)

Country Link
EP (1) EP0754284B1 (de)
AT (1) ATE157442T1 (de)
DE (1) DE69500621T2 (de)
FR (1) FR2718834A1 (de)
WO (1) WO1995028608A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359266C (zh) * 2003-10-30 2008-01-02 乐金电子(天津)电器有限公司 冰箱

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH694472A5 (de) * 2000-05-04 2005-01-31 Forster Ag Hermann Kühlschrank.
IT1317963B1 (it) * 2000-06-08 2003-07-21 Whirlpool Co Dispositivo per permettere la creazione di un vano di conservazione di alimenti a temperatura controllata e diversa da quella di un vano
ITTO20060110U1 (it) * 2006-07-24 2008-01-25 Indesit Co Spa Apparecchio di refrigerazione con funzione di raffreddamento cibi per tempi prefissati
DE102010041952A1 (de) 2010-10-04 2012-04-05 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem Kältespeicher
ITFI20110018A1 (it) * 2011-02-02 2012-08-03 C P S I Srl Consulenze Progettazio Ni E Servizi I Apparecchio frigorifero.
CN104870914B (zh) * 2012-11-15 2017-07-18 阿塞里克股份有限公司 包括隔离器的冰箱
JP6492291B2 (ja) * 2016-03-23 2019-04-03 パナソニックＩｐマネジメント株式会社 冷蔵庫

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR947962A (fr) * 1947-05-22 1949-07-19 Procédé de réfrigération rapide de produits alimentaires
FR1243209A (fr) * 1958-12-19 1960-10-07 Gen Motors Corp Réfrigérateur
FR1239733A (fr) * 1959-11-03 1960-08-26 Réfrigérateur perfectionné
US3466891A (en) * 1967-09-06 1969-09-16 Amana Refrigeration Inc Combination freezer and refrigerator with fast freezing means
US3721104A (en) * 1969-01-22 1973-03-20 R Adler Marine refrigeration, freezing and cool storage systems
US3633375A (en) * 1970-04-15 1972-01-11 Westinghouse Electric Corp Refrigerator cooling system design
FR2468314A1 (fr) * 1979-10-30 1981-05-08 Pont P Appareil de surgelation et de conservation de produits alimentaires
JPH0533896Y2 (de) * 1988-03-17 1993-08-27
IT1228862B (it) * 1989-03-23 1991-07-05 Castel Mac Spa Apparecchio surgelatore conservatore per prodotti alimentari.
DE3926250A1 (de) * 1989-08-09 1991-02-14 Juergen Mertens Kuehl- und gefrierschrank
DE69010422T2 (de) * 1989-08-11 1994-10-20 Sanyo Electric Co Kühlbehälter.
FR2689215B1 (fr) * 1992-03-30 1994-07-01 Sari Installation de traitement d'air.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9528608A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359266C (zh) * 2003-10-30 2008-01-02 乐金电子(天津)电器有限公司 冰箱

Also Published As

Publication number Publication date
FR2718834A1 (fr) 1995-10-20
DE69500621T2 (de) 1998-04-02
DE69500621D1 (de) 1997-10-02
ATE157442T1 (de) 1997-09-15
WO1995028608A1 (fr) 1995-10-26
EP0754284B1 (de) 1997-08-27

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