EP0793066B1 - 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
EP0793066B1
EP0793066B1 EP97100646A EP97100646A EP0793066B1 EP 0793066 B1 EP0793066 B1 EP 0793066B1 EP 97100646 A EP97100646 A EP 97100646A EP 97100646 A EP97100646 A EP 97100646A EP 0793066 B1 EP0793066 B1 EP 0793066B1
Authority
EP
European Patent Office
Prior art keywords
compartment
cooling
cold
refrigerator
cooling air
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.)
Expired - Lifetime
Application number
EP97100646A
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German (de)
English (en)
Other versions
EP0793066A3 (fr
EP0793066A2 (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
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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 according to the preamble of claim 1.
  • EP-A 0 532 870 is a refrigerator of this type with one in the upper area of the Known upper compartment arranged cooling fan, which is in the inlet area of Air channels are located, which are partitioned by an intermediate wall from the upper compartment are.
  • the intermediate wall runs parallel to an evaporator, which is on the rear wall the upper compartment is arranged and occupies its full width.
  • On the back side the intermediate wall are divided by rib-like webs air channels, one of which the upper air ducts in side openings in the partition open, which are approximately at the level of the cooling fan.
  • the lower air ducts open in the area of the lower end of the evaporator and are therefore capable of one To flow around the drawer, which is located in the lower compartment.
  • the air flow through the evaporator is designed so that everywhere without loss of usable space even when the refrigerator is fully loaded an almost identical temperature level can be maintained.
  • GB-A-1 485 666 shows a refrigerator with a cold and cold storage compartment, being a Evaporator is arranged in the cold lay compartment and an air flow from there over a shaft in the Rear wall in the cold storage compartment above to be led.
  • the combination devices in this way produce inexpensively and economically that Subjects of different temperatures through a common or coherent evaporator or a coherent Cooling circuit to be cooled.
  • the devices should economical, d. H. operate with low energy consumption to let.
  • the object of the invention is therefore a refrigerator with a To create a refrigerator compartment and a cold storage compartment, which is inexpensive manufacture and operate in an economical manner.
  • the refrigerator compartment and the cooling air stream cooled the cold storage compartment in the cooling air duct.
  • This cooled cooling air flow then first enters the Cold storage compartment so that it is charged with colder air and is thereby cooled more than the refrigerator compartment in which the air escaping from the cold storage compartment.
  • a temperature sensor in the cooling compartment and / or in the cold storage compartment is arranged.
  • These temperature sensors measure the temperatures and give signals corresponding to the measured temperatures an electronic arithmetic unit (microcomputer), which due to 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 arithmetic unit
  • the coordination of these to be controlled Parameters on each other can be empirical or also arithmetic respectively.
  • the size of the openings in the partition is empirical or arithmetically the cooling requirements of the refrigerator compartment and the cold storage compartment adapt.
  • the evaporator is expediently suspended in the cooling air duct arranged.
  • the evaporator can also behind the Foam back wall of the refrigerator compartment.
  • the refrigerator consists of a body part 1 with a rear wall 2, a top wall 3 and partitions 4, 5.
  • the partition 4 separates an upper cooling compartment 6 from a lower cold storage compartment 7.
  • a freezer compartment can be arranged under the intermediate wall 5 be that in the present case, however, is not part of the invention and is therefore disregarded.
  • the cooling compartment 6 and the body part containing the cold storage compartment 7 is a conventional one Door 8 lockable.
  • Approximately parallel to the rear wall 2 is one insulating partition 9 arranged by the refrigerator compartment 6 divides a cooling air duct 10.
  • the cooling air duct 10 widens in its lower area towards the partition 4 by the illustrated inclination of the lower part of the Intermediate wall 9.
  • a cooling fan 11 is arranged, the outlet opening or outlet gap 12 opens into the cooling air duct 10.
  • An evaporator 13 is freely suspended in the cooling air duct 10. At the lower end of the cooling air duct 10 is a channel 14 provided that the collection of dripping from the evaporator Water serves.
  • the intermediate plate 4 is at its rear end area in the mouth area of the cooling air duct 10 with a gap or openings 15 provided, through which the cooling air flow 16, through the Arrows is indicated, enters the cold storage compartment 7.
  • Cold storage compartment divides the cooling air flow into that through the Arrows 17 indicated way.
  • drawers 18 may be arranged, then in the manner shown be swept by the cooling air flow 17.
  • the intermediate plate 4 is in its front area with columns or openings 19 through which the cooling air flow in Direction of arrow 20 enters the cooling compartment 6.
  • the one from the Cooling air stream emerging from the cold storage compartment then sweeps over it 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 can be placed in the refrigerator compartment in the manner shown and a drawer can be arranged. At the door can be the usual Storage compartments must be attached.
  • the control device for controlling the activation times of the compressor and the cooling fan and to control the speed of the cooling fan is not shown. However, this is empirical or arithmetically set so that the cold storage compartment and the cooling compartment from a cooling air flow at one speed and a temperature is flowed through that the desired Temperature distribution granted.
  • the insulation of the walls of the body part, of the partitions and the door to be chosen so that with little loss of cold the optimal temperature distribution is achieved.
  • the size of the openings or passage gaps 15, 19 in the partition 4 is in accordance with the desired temperature distribution to set up.

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (5)

  1. Réfrigérateur avec un compartiment supérieur et un compartiment inférieur, qui sont séparés entre eux par une paroi intermédiaire horizontale (4) et avec au moins une porte (8) ou une trappe destinée à les fermer, dans lequel une soufflerie de refroidissement (11) est disposée dans la zone supérieure du compartiment supérieur, dans lequel un canal d'air de refroidissement fermé (10) est délimité par une paroi intermédiaire (9), qui est approximativement parallèle à la paroi arrière (2) du compartiment supérieur, ce canal refermant un évaporateur (13) et aboutissant dans le compartiment inférieur par des traversées (15) se trouvant dans la zone arrière de la paroi intermédiaire horizontale (4), et dans lequel des traversées (19) et/ou une fente, par lesquelles l'air de refroidissement pénètre dans le compartiment supérieur, sont prévues dans la zone avant de la paroi intermédiaire horizontale (4) entre la paroi intermédiaire horizontale et la porte, caractérisé en ce que le compartiment supérieur est un compartiment de réfrigération (6) et le compartiment inférieur est un compartiment de conservation au froid (7), en ce que le canal d'air de refroidissement (10) est conçu de telle manière que l'écoulement d'air refroidissant le compartiment de réfrigération (6) et le compartiment de conservation au froid (7) est refroidi dans le canal d'air de refroidissement (10) et que l'écoulement d'air refroidi pénètre alors en premier lieu dans le compartiment de conservation au froid (7), celui-ci recevant de l'air plus froid et étant de ce fait refroidi plus fortement que le compartiment de réfrigération (6), dans lequel pénètre l'air sortant du compartiment de conservation au froid (7), et en ce que la répartition du froid est pilotée par la durée de fonctionnement du compresseur et/ou par la durée de fonctionnement de la soufflerie de refroidissement (11) et/ou par le régime de rotation de celle-ci.
  2. Réfrigérateur selon la revendication 1, caractérisé en ce que l'évaporateur (13) est disposé en suspension libre dans le canal d'air de refroidissement (10).
  3. Réfrigérateur selon la revendication 1, caractérisé en ce que l'évaporateur (13) est enrobé dans de la mousse derrière la paroi arrière du compartiment de réfrigération.
  4. Réfrigérateur selon l'une des revendications 1 à 3, caractérisé en ce qu'un capteur de température est disposé dans le compartiment de réfrigération (6).
  5. Réfrigérateur selon l'une des revendications 1 à 4, caractérisé en ce qu'un capteur de température est disposé dans le compartiment de conservation au froid (7).
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 DE29603848U1 (de) 1996-03-01 1996-03-01 Kühlschrank mit einem Kühlfach und einem Kaltlagerfach
DE29603848U 1996-03-01

Publications (3)

Publication Number Publication Date
EP0793066A2 EP0793066A2 (fr) 1997-09-03
EP0793066A3 EP0793066A3 (fr) 1999-07-21
EP0793066B1 true 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013969A2 (fr) 2011-07-25 2013-01-31 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique, notamment appareil frigorifique ménager
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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20001253U1 (de) 2000-01-25 2001-06-07 Liebherr-Hausgeräte GmbH, 88416 Ochsenhausen Kühlgerät mit einem Kühl-, einem Kaltlager- und einem Gefrierfach
ITPN20010060A1 (it) 2001-09-12 2003-03-12 Electrolux Zanussi Elettrodome Apparecchio frigorifero con due compartimenti sovrapposti ed evaporatore ventilato
DE10154273A1 (de) * 2001-11-05 2003-05-15 Bsh Bosch Siemens Hausgeraete Tischkühlgerät
DE602004023884D1 (de) 2004-11-02 2009-12-10 Lg Electronics Inc Kühlvorrichtung
DE202008004543U1 (de) * 2008-02-26 2009-07-09 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
US8776544B2 (en) 2009-02-28 2014-07-15 Electrolux Home Products, Inc. Refrigeration system for refrigeration appliance
KR101643220B1 (ko) * 2009-05-18 2016-07-27 엘지전자 주식회사 제빙장치를 구비하는 냉장고 및 그 제어방법
DE102010055726A1 (de) * 2010-10-21 2012-04-26 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
DE102011006251A1 (de) 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Lüfter
CN103797318B (zh) 2011-09-16 2016-06-22 阿塞里克股份有限公司 包括被提供成均匀分配在隔离容积中的隔离材料的冷却装置
CN102997546A (zh) * 2011-09-19 2013-03-27 博西华电器（江苏）有限公司 家用冰箱
US9234690B2 (en) 2012-01-31 2016-01-12 Electrolux Home Products, Inc. Ice maker for a refrigeration appliance
EP2921804B1 (fr) 2014-03-19 2019-05-08 Electrolux Appliances Aktiebolag Appareil frigorifique avec système de circulation d'air amélioré
CH709751B1 (de) * 2015-11-09 2019-06-28 V Zug Ag Kühlgerät mit einem Nutzraum mit mehreren Temperaturzonen.
SI25412A (sl) 2017-04-03 2018-10-30 Gorenje Gospodinjski Aparati, D.D. Hladilni aparat z vsaj dvema hladilnima predeloma

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 (de) * 1989-12-15 1991-04-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Kühlgerät mit einer einschiebbaren Trennplatte
DE4131211C1 (fr) * 1991-09-19 1992-10-29 Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013969A2 (fr) 2011-07-25 2013-01-31 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique, notamment appareil frigorifique ménager
DE102011079761A1 (de) 2011-07-25 2013-01-31 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät, insbesondere Haushaltskältegerät
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

Also Published As

Publication number Publication date
DE59705428D1 (de) 2002-01-03
EP0793066A3 (fr) 1999-07-21
EP0793066A2 (fr) 1997-09-03
DE29603848U1 (de) 1997-05-28
ES2168528T3 (es) 2002-06-16
PT793066E (pt) 2002-04-29

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