EP0793066A2 - Réfrigérateur avec compartiments de refroidissement à des températures différentes - Google Patents

Réfrigérateur avec compartiments de refroidissement à des températures différentes Download PDF

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Publication number
EP0793066A2
EP0793066A2 EP97100646A EP97100646A EP0793066A2 EP 0793066 A2 EP0793066 A2 EP 0793066A2 EP 97100646 A EP97100646 A EP 97100646A EP 97100646 A EP97100646 A EP 97100646A EP 0793066 A2 EP0793066 A2 EP 0793066A2
Authority
EP
European Patent Office
Prior art keywords
cooling
compartment
cooling air
refrigerator
cold storage
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
EP97100646A
Other languages
German (de)
English (en)
Other versions
EP0793066A3 (fr
EP0793066B1 (fr
Inventor
Wilfried King
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Liebherr Hausgeraete GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen GmbH
Liebherr Hausgeraete GmbH
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
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Application filed by Liebherr Hausgeraete Ochsenhausen GmbH, Liebherr Hausgeraete GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Publication of EP0793066A2 publication Critical patent/EP0793066A2/fr
Publication of EP0793066A3 publication Critical patent/EP0793066A3/fr
Application granted granted Critical
Publication of EP0793066B1 publication Critical patent/EP0793066B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—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
    • F25D2317/066—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
    • F25D2317/0661—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 bottom
    • 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
    • F25D2317/0666—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 freezer
    • 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

Definitions

  • the invention relates to a refrigerator with a cooling compartment and a cold storage compartment.
  • Refrigerator and freezer manufacturers strive to provide devices that optimally meet practical requirements. For this reason, combinations of devices are offered that have compartments with different temperatures, for example, refrigerated compartments with a temperature range of 2 ° to 9 ° C, freezer or freezer compartments and / or cold storage compartments with temperatures from -2 ° to + 3 ° C.
  • the combination devices in such a cost-effective and economical manner that compartments of different temperatures are cooled by a common or coherent evaporator or a coherent cooling circuit.
  • the devices should be economical, i. H. operate with low energy consumption.
  • the object of the invention is therefore to provide a refrigerator with a cooling compartment and a cold storage compartment, which can be produced inexpensively and operated in an economical manner.
  • this object is achieved by a refrigerator with an upper cooling compartment and a lower cold storage compartment, which are separated from one another by a horizontal partition, and with at least one door or flap closing them, in which a cooling fan is arranged in the upper region of the cooling compartment and by one the rear wall of the cooling compartment is divided into a roughly parallel intermediate wall, a cooling air duct in which there is an evaporator and which opens into the cold storage compartment through openings in the rear region of the intermediate wall, with openings and / or a gap between the intermediate wall and in the front region of the intermediate wall the door are provided, through which the cooling air enters the cooling compartment and in which the cold distribution is controlled by the running time of the compressor and / or the duty cycle (relative running time) and / or the speed of the cooling fan.
  • the air stream cooling the cooling compartment and the cold storage compartment is cooled in the cooling air duct.
  • This cooled cooling air flow then first enters the cold storage compartment, so that it is acted upon by colder air and is thereby cooled more than the cooling compartment into which the air emerging from the cold storage compartment enters.
  • the parameters determining the temperature in the refrigerator compartment and in the cold storage compartment are coordinated in such a way that the desired temperatures prevail in both compartments, i.e. in the cold storage compartment a temperature of + 1 ° C. fluctuating temperature and in the refrigerator compartment a temperature in the range of 4 ° to 9 ° C.
  • a temperature sensor is arranged in the cooling compartment and / or in the cold storage compartment. These temperature sensors measure the temperatures and emit signals corresponding to the measured temperatures to an electronic computing unit (microcomputer) which, based on appropriate control programs to maintain the desired temperatures, the running time of the compressor, the relative duty cycle of the fan and the speed of the fan controls accordingly.
  • microcomputer electronic computing unit
  • the coordination of these parameters to be controlled can take place empirically or else mathematically.
  • the size of the openings in the partition wall is to be empirically or mathematically adapted to the cooling requirements of the cooling compartment and the cold storage compartment.
  • the evaporator is expediently arranged freely suspended in the cooling air duct.
  • the evaporator can also be foamed behind the rear wall of the refrigerator compartment.
  • the refrigerator consists of a body part 1 with a rear wall 2, a top wall 3 and intermediate walls 4, 5.
  • the intermediate wall 4 separates an upper cooling compartment 6 from a lower cold storage compartment 7.
  • a freezer compartment can also be arranged under the intermediate wall 5, but not in the present case belongs to the invention and is therefore disregarded.
  • the body part containing the cooling compartment 6 and the cold storage compartment 7 can be closed by a conventional door 8.
  • An insulating intermediate wall 9 is arranged approximately parallel to the rear wall 2 and divides a cooling air duct 10 from the cooling compartment 6.
  • the cooling air duct 10 widens in its lower region in the direction of the intermediate wall 4 due to the inclined position of the lower part of the intermediate wall 9 shown .
  • An evaporator 13 is freely suspended in the cooling air duct 10.
  • a channel 14 is provided, which is used to collect water dripping from the evaporator.
  • the intermediate plate 4 is provided at its rear end region in the mouth region of the cooling air duct 10 with a gap or openings 15 through which the cooling air flow 16, which is indicated by the arrows, enters the cold storage compartment 7.
  • the cooling air flow is divided in the manner indicated by the arrows 17.
  • Drawers 18 can be arranged in the cold storage compartment 7, which are then swept by the cooling air flow 17 in the manner shown.
  • the intermediate plate 4 is provided in its front area with gaps or openings 19 through which the cooling air flow enters the cooling compartment 6 in the direction of the arrow 20.
  • the cooling air stream emerging from the cold storage compartment then sweeps over the cooling compartment 6 and cools it in the desired manner.
  • the cooling air flow then enters the suction side of the cooling fan and is then cooled again in the cooling air duct 10.
  • Storage plates and a drawer can be arranged in the refrigerator compartment in the manner shown.
  • the usual storage compartments can be attached to the door.
  • the control device for controlling the switch-on times of the compressor and the cooling fan and for controlling the speed of the cooling fan is not shown. However, this is to be set empirically or arithmetically in such a way that a flow of cooling air flows through the cold storage compartment and the cooling compartment at a speed and a temperature which ensures the desired temperature distribution.
  • the insulation of the walls of the body part, the partitions and the door should be selected so that the optimum temperature distribution is achieved with little loss of cold.
  • the size of the openings or passage gaps 15, 19 in the intermediate wall 4 must also be set up in accordance with the desired temperature distribution.

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)
EP97100646A 1996-03-01 1997-01-16 Réfrigérateur avec compartiments de refroidissement à des températures différentes Expired - Lifetime EP0793066B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29603848U 1996-03-01
DE29603848U DE29603848U1 (de) 1996-03-01 1996-03-01 Kühlschrank mit einem Kühlfach und einem Kaltlagerfach

Publications (3)

Publication Number Publication Date
EP0793066A2 true EP0793066A2 (fr) 1997-09-03
EP0793066A3 EP0793066A3 (fr) 1999-07-21
EP0793066B1 EP0793066B1 (fr) 2001-11-21

Family

ID=8020399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100646A Expired - Lifetime EP0793066B1 (fr) 1996-03-01 1997-01-16 Réfrigérateur avec compartiments de refroidissement à des températures différentes

Country Status (4)

Country Link
EP (1) EP0793066B1 (fr)
DE (2) DE29603848U1 (fr)
ES (1) ES2168528T3 (fr)
PT (1) PT793066E (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20001253U1 (de) * 2000-01-25 2001-06-07 Liebherr Hausgeraete Kühlgerät mit einem Kühl-, einem Kaltlager- und einem Gefrierfach
EP1293739A2 (fr) 2001-09-12 2003-03-19 Electrolux Home Products Corporation N.V. Appareil frigorifique à deux compartiments de rangement superposés et un évaporateur assisté par un ventilateur
WO2006049354A1 (fr) 2004-11-02 2006-05-11 Lg Electronics, Inc. Refrigerateur
WO2010134702A2 (fr) * 2009-05-18 2010-11-25 Lg Electronics Inc. Réfrigérateur comprenant un dispositif de fabrication de glaçons et procédé de commande associé
CN102405383A (zh) * 2009-02-28 2012-04-04 伊莱克斯家用产品公司 制冰机控制系统及方法
WO2012130580A2 (fr) 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Appareil de froid équipé d'un ventilateur
CN102997546A (zh) * 2011-09-19 2013-03-27 博西华电器（江苏）有限公司 家用冰箱
EP2921804A1 (fr) 2014-03-19 2015-09-23 Electrolux Appliances Aktiebolag Appareil frigorifique avec système de circulation d'air amélioré
CH709751A3 (de) * 2015-11-09 2016-03-15 V Zug Ag Kühlgerät mit einem Nutzraum mit mehreren Temperaturzonen.
EP3385649A1 (fr) 2017-04-03 2018-10-10 Gorenje Gospodinjski aparati d.d. Appareil de refroidissement comprenant au moins deux compartiments de refroidissement
EP2756241B1 (fr) 2011-09-16 2020-04-01 Arçelik Anonim Sirketi Dispositif de refroidissement comprenant un matériau d'isolation qui est disposé de façon à être réparti de façon homogène dans le volume d'isolation

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154273A1 (de) * 2001-11-05 2003-05-15 Bsh Bosch Siemens Hausgeraete Tischkühlgerät
DE202008004543U1 (de) * 2008-02-26 2009-07-09 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE102010055726A1 (de) * 2010-10-21 2012-04-26 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
DE102011079761A1 (de) 2011-07-25 2013-01-31 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät, insbesondere Haushaltskältegerät
KR20140137354A (ko) 2012-01-31 2014-12-02 일렉트로룩스 홈 프로덕츠 인코퍼레이티드 냉장 기기를 위한 얼음 제조기
DE102014017799A1 (de) 2014-11-11 2016-05-12 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
DE102015014695A1 (de) 2015-11-04 2017-05-04 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
DE102019112093A1 (de) 2018-07-12 2020-01-16 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966283A (en) * 1973-06-04 1976-06-29 Franklin Manufacturing Company Refrigeration apparatus and method for making same
GB1485666A (en) * 1976-02-20 1977-09-14 Lec Refrigeration Ltd Dual-compartment refrigerators
DE3028673A1 (de) * 1980-07-29 1982-03-04 Eisfink Carl Fink GmbH & Co, 7144 Asberg Temperierschrank fuer getraenke
IT1220739B (it) * 1988-01-29 1990-06-21 Zanussi A Spa Industrie Apparecchio refrigerante a piu' temperature con circuito frigorigeno monocompressore e singola regolazione termostatica di temperatura
DE8914761U1 (fr) * 1989-12-15 1991-04-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
DE4131211C1 (fr) * 1991-09-19 1992-10-29 Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20001253U1 (de) * 2000-01-25 2001-06-07 Liebherr Hausgeraete Kühlgerät mit einem Kühl-, einem Kaltlager- und einem Gefrierfach
WO2001055655A1 (fr) 2000-01-25 2001-08-02 Liebherr-Hausgeräte GmbH Refrigerateur comportant un compartiment refrigere, un compartiment d'entreposage frigorifique et un compartiment de congelation
US7127904B2 (en) 2000-01-25 2006-10-31 Liebherr-Hausgeräte GmbH Refrigerating appliance comprising a refrigerating compartment, a cold storage compartment and a freezer compartment
EP1293739A2 (fr) 2001-09-12 2003-03-19 Electrolux Home Products Corporation N.V. Appareil frigorifique à deux compartiments de rangement superposés et un évaporateur assisté par un ventilateur
WO2006049354A1 (fr) 2004-11-02 2006-05-11 Lg Electronics, Inc. Refrigerateur
US7726149B2 (en) 2004-11-02 2010-06-01 Lg Electronics Inc. Refrigerator
CN102405383A (zh) * 2009-02-28 2012-04-04 伊莱克斯家用产品公司 制冰机控制系统及方法
CN102405383B (zh) * 2009-02-28 2015-05-20 伊莱克斯家用产品公司 制冰机控制系统及方法
WO2010134702A3 (fr) * 2009-05-18 2011-10-06 Lg Electronics Inc. Réfrigérateur comprenant un dispositif de fabrication de glaçons et procédé de commande associé
WO2010134702A2 (fr) * 2009-05-18 2010-11-25 Lg Electronics Inc. Réfrigérateur comprenant un dispositif de fabrication de glaçons et procédé de commande associé
CN102422103A (zh) * 2009-05-18 2012-04-18 Lg电子株式会社 包括制冰装置的冰箱及其控制方法
CN102422103B (zh) * 2009-05-18 2013-12-11 Lg电子株式会社 包括制冰装置的冰箱及其控制方法
WO2012130580A2 (fr) 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Appareil de froid équipé d'un ventilateur
DE102011006251A1 (de) 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Lüfter
EP2756241B1 (fr) 2011-09-16 2020-04-01 Arçelik Anonim Sirketi Dispositif de refroidissement comprenant un matériau d'isolation qui est disposé de façon à être réparti de façon homogène dans le volume d'isolation
CN102997546A (zh) * 2011-09-19 2013-03-27 博西华电器（江苏）有限公司 家用冰箱
EP2921804A1 (fr) 2014-03-19 2015-09-23 Electrolux Appliances Aktiebolag Appareil frigorifique avec système de circulation d'air amélioré
CH709751A3 (de) * 2015-11-09 2016-03-15 V Zug Ag Kühlgerät mit einem Nutzraum mit mehreren Temperaturzonen.
EP3385649A1 (fr) 2017-04-03 2018-10-10 Gorenje Gospodinjski aparati d.d. Appareil de refroidissement comprenant au moins deux compartiments de refroidissement

Also Published As

Publication number Publication date
DE59705428D1 (de) 2002-01-03
EP0793066A3 (fr) 1999-07-21
EP0793066B1 (fr) 2001-11-21
PT793066E (pt) 2002-04-29
DE29603848U1 (de) 1997-05-28
ES2168528T3 (es) 2002-06-16

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