EP0727626A1 - Appareil frigorifique, notamment un réfrigérateur ménager - Google Patents

Appareil frigorifique, notamment un réfrigérateur ménager Download PDF

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Publication number
EP0727626A1
EP0727626A1 EP96100911A EP96100911A EP0727626A1 EP 0727626 A1 EP0727626 A1 EP 0727626A1 EP 96100911 A EP96100911 A EP 96100911A EP 96100911 A EP96100911 A EP 96100911A EP 0727626 A1 EP0727626 A1 EP 0727626A1
Authority
EP
European Patent Office
Prior art keywords
door
storage compartments
air
inner lining
cooling device
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
EP96100911A
Other languages
German (de)
English (en)
Other versions
EP0727626B1 (fr
Inventor
Walter Lipp
Peter Mättig
Bernd Dipl.-Ing. Osbar (Fh)
Friedrich Arnold, (Dipl.-Ing.)
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.)
BSH Hausgeraete GmbH
Original Assignee
Bosch Siemens Hausgerate 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
Application filed by Bosch Siemens Hausgerate GmbH filed Critical Bosch Siemens Hausgerate GmbH
Publication of EP0727626A1 publication Critical patent/EP0727626A1/fr
Application granted granted Critical
Publication of EP0727626B1 publication Critical patent/EP0727626B1/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
    • 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
    • F25D2317/066—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

Definitions

  • the invention relates to a refrigerator, in particular a household refrigerator with a heat-insulating housing and a door attached to it, which is equipped with storage compartments for storing items to be refrigerated and which, in the closed state, encloses a cooling chamber together with the housing, the temperature of which is forced by circulating one air flow generated by a fan and conveyed via an evaporator is kept at least approximately constant, the air flow being deflected at least in part by air guiding devices toward the door.
  • the aim is to keep the temperature distribution in the individual compartments as constant as possible at the intended level in order to be able to store the usually perishable goods stored there over a long period of time without suffering any loss in quality.
  • a cooling device was proposed in DE-PS 41 31 211, in which the air inside its cooling space was forcedly circulated by a fan and conveyed to cool it down by means of a cold wall evaporator.
  • the cold room air to be cooled is via the heat exchange surface of the evaporator using air duct channels led, which are supported by an intermediate wall and which have their outlet openings on the one hand at a distance above the floor of the cooling room and on the other hand on its side walls, directly under the ceiling of the cooling room, in the vicinity of the door.
  • the arrangement of the air outlet openings and the air duct inside the cold room has largely achieved a homogeneous temperature distribution at the intended temperature level, but deviations from this are evident in the area of the door storage compartments, especially in the upper door storage area.
  • the object of the invention is to further improve and to even out the temperature distribution within the cold storage space, including the door storage compartments, with simple constructive measures.
  • This object is achieved in accordance with the invention in that an air path is cleared between the longitudinal side of the storage compartments on the door side and the interior paneling of the door, through which the air stream flowing to the door can flow.
  • cooling air flows around the storage compartments both on their door side and on the longitudinal side parallel to them, as a result of which the temperature level in the storage compartments is largely matched to that of the rest of the cooling space, so that a relatively uniform temperature distribution within the cooling space is achieved.
  • Another advantage can be seen in the fact that, depending on the cooling requirement, the air path can be provided with a different cross-section of flow in a simple manner can, so that a targeted air circulation and cooling resulting therefrom, in particular in the area of the higher storage compartments on the door, can be achieved.
  • the cooling goods placed in the storage compartments of the door are subjected to cooling air particularly intensively and uniformly if, according to a further preferred embodiment of the object of the invention, it is provided that the airway is arranged essentially over the entire length of the door-side long side of the storage compartments.
  • the air path is formed by spacing the long side of the storage compartments on the door side from the inner lining.
  • Such a solution is characterized by the fact that the width of the airway is fixed in an unadjustable manner in its current setting position only by a fastening measure for the storage compartment which is arranged at a distance from the interior paneling of the door.
  • the width of the airway can be changed in a simple manner in the case of a plurality of holding positions for the storage compartments at different distances from the inner lining of the door.
  • the storage compartments are designed in a container-like manner with circumferential side walls.
  • the advantage of such a solution is that the airway is always kept clear of refrigerated goods to be placed in the storage compartments.
  • the container walls on the long sides of the storage compartments result in a relatively exact air duct arranged over the entire height of the storage compartments.
  • the storage compartments are at a distance of 5 mm to 15 mm from the inner lining, but preferably at a distance of 10 are arranged for the inner lining.
  • the single figure shows a section of the central section of a cooling device designed as a multi-temperature refrigerator, which is closed by a door.
  • a cooling device 10 designed as a multi-temperature refrigerator has a cooling compartment 12 designed as a zero-degree compartment in the middle section of its heat-insulating housing 11. This is equipped with approximately equally spaced support plates 13, the lowest of which is arranged to ventilate the receiving space of a drawer 14 at a short distance above its opening edge.
  • the drawer 14 is spaced with its bottom to the bottom of the cooling compartment 12 and with its rear wall to the rear wall of the cooling compartment 12, so that a coherent in this area Air duct 15 is formed.
  • this section of the cooling compartment 12 serves to guide an air flow 16, which is used to cool it via a flat evaporator 17 in the form of a so-called cold wall evaporator using a fan 19 provided above it and arranged approximately in the middle of the rear wall of the cooling compartment 12 in a recess 18 is promoted.
  • the fan 19 is arranged behind an intermediate wall 20 which essentially occupies the entire width of the rear wall of the cooling compartment 12 and which is provided in the region of the fan wheel of the fan 19 with an intake opening from which three air channels 21 extend downward in a fan-like manner.
  • the air channels 21 are laterally delimited by ribs, not shown, which run on the rear side of the intermediate wall 20 facing the evaporator 17 and whose height is such that they correspond to the distance of the evaporator 17 from the rear side of the intermediate wall 20.
  • the two outer ones are deflected upward by a corresponding curvature of the ribs delimiting them in the lower third of the intermediate wall 20, so that their outlet openings are laterally above, while the intermediate air channel 21 is located at the lower edge of the intermediate wall 20, directly above the Air duct 15 exits.
  • the intermediate wall 20 is provided with projections which are arranged in the vicinity of the side walls of the cooling compartment 12 and which serve as air guide channels 22. In terms of flow technology, these are connected to the outlet openings of the outer air ducts 21 which are directed upwards and are brought with their outlet openings into the vicinity of the access opening to the cooling compartment 12.
  • the access opening is closed by a door 23 which is attached to the housing 11 and which on its inside facing the cooling compartment 12 is equipped with an inner lining 24, on the circumferential edges of which a magnetic seal 25 is arranged, which bears against the opening edge of the access opening to the cooling compartment 12.
  • the inner lining 24 of the door 23 is also provided with holding means, not shown, such as, for example, with hook-in cams or support strips, which serve to support or hold storage compartments 26.
  • holding means such as, for example, with hook-in cams or support strips, which serve to support or hold storage compartments 26.
  • these are designed like containers with circumferential side walls, the door-side side wall 27 of the storage compartments 26 facing the inner lining 24 being arranged at a distance from the inner lining 24, so that an airway 28 is cleared between the side wall 27 and the inner lining 24.
  • This is arranged over the entire length of the side wall 27 facing the inner lining 24 of the storage compartments 26 and is produced by a corresponding arrangement of the holding means for the storage compartments 26, so that the airway 28 only results from the attachment of the storage compartments 26 to the inner lining 24 without to have to undergo 28 additional complicated shapes to form the airway.
  • the airway 28 is provided with a targeted additional lateral guidance in addition to the inner lining 24 as a guide element.
  • the cooling air inside the cooling compartment 12 is guided by the fan 19 to cool it down along the ventilation guide channels 21 and over the heat exchange surface of the evaporator 17.
  • the air flow guided in the outer ventilation duct 21 exits via the outlet openings of the air duct 22 provided on the ceiling of the cooling compartment 12 in the vicinity of the door 23, while the air flow 16 guided in the air duct 21 enters the air duct 15 at its outlet opening, which passes through the design and arrangement of the drawer 14 extends immediately below the storage compartments 26.
  • the air flow 16 is divided into two partial air flows, one of which flows along the inner lining 24 due to the formation of the air path 28, while the other partial air flow flows parallel to it on the long side of the storage compartments 26 facing away from the inner lining 24.
  • the introduction of the partial air flow into the air path 28 results in a temperature in the area of the storage compartments 26, especially in the uppermost one, which is adapted to the intended temperature level of the cooling compartment 12.
  • the storage compartments 26 can also be designed as storage levels, which then rest, for example, on support strips, the longitudinal side thereof facing the inner lining 24 being arranged at a distance from the latter in order to form the air path 28.
  • the storage compartments 26 can also be provided with a recess for forming the airway 28, instead of arranging their longitudinal side on the door side at a distance from the inner lining 24.
  • good results have been obtained for a distance of 10 mm between the inner lining 24 and the side wall 27 of the storage compartments 26.

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)
  • Freezing, Cooling And Drying Of Foods (AREA)
EP96100911A 1995-02-17 1996-01-23 Appareil frigorifique, notamment un réfrigérateur ménager Expired - Lifetime EP0727626B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29502800U 1995-02-17
DE29502800U DE29502800U1 (de) 1995-02-17 1995-02-17 Kühlgerät, insbesondere Haushalts-Kühlschrank

Publications (2)

Publication Number Publication Date
EP0727626A1 true EP0727626A1 (fr) 1996-08-21
EP0727626B1 EP0727626B1 (fr) 2002-05-08

Family

ID=8004189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96100911A Expired - Lifetime EP0727626B1 (fr) 1995-02-17 1996-01-23 Appareil frigorifique, notamment un réfrigérateur ménager

Country Status (4)

Country Link
EP (1) EP0727626B1 (fr)
DE (2) DE29502800U1 (fr)
ES (1) ES2176367T3 (fr)
TR (1) TR199600136A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8151587B2 (en) * 2001-05-04 2012-04-10 Hill Phoenix, Inc. Medium temperature refrigerated merchandiser
WO2014166871A1 (fr) * 2013-04-12 2014-10-16 BSH Bosch und Siemens Hausgeräte GmbH Appareil de réfrigération à deux compartiments de stockage
WO2025036289A1 (fr) * 2023-08-15 2025-02-20 青岛海尔电冰箱有限公司 Dispositif de réfrigération et de congélation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2375197A1 (fr) * 2010-04-07 2011-10-12 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Un dispositif de refroidissement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740266A (en) * 1953-03-19 1956-04-03 Gen Motors Corp Refrigerating apparatus having shelves on door
DE1252213B (de) * 1967-10-19 Kniehahn geb BiIs Berlin Hildegard Kühlschrank mit mehreren gegeneinander abdichtbaren Kuhlraumen
DE4131211C1 (fr) * 1991-09-19 1992-10-29 Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De
US5285655A (en) * 1992-02-21 1994-02-15 Samsung Electronics Co., Ltd. Refrigerator with freezer air directed over cooler compartment shelf

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1252213B (de) * 1967-10-19 Kniehahn geb BiIs Berlin Hildegard Kühlschrank mit mehreren gegeneinander abdichtbaren Kuhlraumen
US2740266A (en) * 1953-03-19 1956-04-03 Gen Motors Corp Refrigerating apparatus having shelves on door
DE4131211C1 (fr) * 1991-09-19 1992-10-29 Bosch-Siemens Hausgeraete Gmbh, 8000 Muenchen, De
US5285655A (en) * 1992-02-21 1994-02-15 Samsung Electronics Co., Ltd. Refrigerator with freezer air directed over cooler compartment shelf

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8151587B2 (en) * 2001-05-04 2012-04-10 Hill Phoenix, Inc. Medium temperature refrigerated merchandiser
WO2014166871A1 (fr) * 2013-04-12 2014-10-16 BSH Bosch und Siemens Hausgeräte GmbH Appareil de réfrigération à deux compartiments de stockage
CN105102912A (zh) * 2013-04-12 2015-11-25 Bsh家用电器有限公司 具有两个储藏室的制冷器具
CN105102912B (zh) * 2013-04-12 2017-04-26 Bsh家用电器有限公司 具有两个储藏室的制冷器具
WO2025036289A1 (fr) * 2023-08-15 2025-02-20 青岛海尔电冰箱有限公司 Dispositif de réfrigération et de congélation

Also Published As

Publication number Publication date
DE59609173D1 (de) 2002-06-13
EP0727626B1 (fr) 2002-05-08
DE29502800U1 (de) 1995-04-20
ES2176367T3 (es) 2002-12-01
TR199600136A2 (tr) 1996-10-21

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