EP1242775B1 - Kältegerät wie no-frost-kühl- oder gefrierschrank - Google Patents

Kältegerät wie no-frost-kühl- oder gefrierschrank Download PDF

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Publication number
EP1242775B1
EP1242775B1 EP00984946A EP00984946A EP1242775B1 EP 1242775 B1 EP1242775 B1 EP 1242775B1 EP 00984946 A EP00984946 A EP 00984946A EP 00984946 A EP00984946 A EP 00984946A EP 1242775 B1 EP1242775 B1 EP 1242775B1
Authority
EP
European Patent Office
Prior art keywords
fan
evaporator
air
vicinity
air guide
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
EP00984946A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1242775A1 (de
Inventor
Michaela Malisi
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
BSH Bosch und Siemens 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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1242775A1 publication Critical patent/EP1242775A1/de
Application granted granted Critical
Publication of EP1242775B1 publication Critical patent/EP1242775B1/de
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
    • F25D2317/065—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

Definitions

  • the invention relates to a cooling device, such as a no-frost refrigerator or freezer or the like, with a heat-insulating housing, within which at least one closable by a door work space is arranged, which is cooled by forced by a fan over an evaporator circulating cooling air, which is conveyed by the fan in a seated at least near the rear wall of the working space air duct, within which the evaporator is arranged at least approximately upright.
  • a cooling device such as a no-frost refrigerator or freezer or the like
  • a heat-insulating housing within which at least one closable by a door work space is arranged, which is cooled by forced by a fan over an evaporator circulating cooling air, which is conveyed by the fan in a seated at least near the rear wall of the working space air duct, within which the evaporator is arranged at least approximately upright.
  • a no-frost cooling device in the cooling chamber on the rear wall an upright arranged vane evaporator is provided. This sits behind a reaching into the vicinity of the ceiling of the cold room air duct and is forced ventilation on the basis of a likewise disposed within the air duct, sitting in the vicinity of the cold room ceiling and thus the evaporator in the direction of the forced circulating cooling air upstream fan.
  • the upstream of the fan is for this, when the evaporator is located in its vicinity, the risk that the registered in the refrigerator moisture freezes on his fan and this is frozen, whereby the function of the fan at least greatly impaired if not prevented is.
  • the invention has for its object to avoid in a refrigeration device according to the preamble of claim 1 with simple constructive measures, the disadvantages of the prior art.
  • the arrangement of the evaporator on the one hand and the assignment of the fan to this on the other hand ensures that the registered in the refrigerator, for example, by opening the refrigerator door or by storage of moisture-containing stored moisture safely deposited on the subject from time to time a defrost evaporator, so that the functionality of the fan is always ensured.
  • the arrangement according to the invention in conjunction with the fan allocation, enables a design for the air duct that is significantly shorter than the prior art, whereby the loss of useful cooling space caused by this is minimized.
  • the fan is located in the vicinity of below the evaporator.
  • a fan is formed when it is provided according to a next advantageous embodiment of the subject invention that the fan is designed as Axiafllibraryer.
  • the air duct is guided at least in the vicinity of the ceiling of the work space to the vicinity of the door.
  • the evaporator in the direction of forcibly circulated cooling air upstream portion of the air duct on the ceiling or at least in the vicinity of the ceiling of the cold room targeted the "hot air” is sucked out of the warmest area of the refrigerator, whereby the temperature stratification is reduced within the refrigerator. In addition, it is prevented by the zoomed up to the vicinity of the door air duct that the air inlet opening is covered by set refrigerated goods.
  • the air duct comprises an angled in the form of an angle air duct, which spaced to form the air duct with one of its angle leg to the ceiling and with the other angle leg spaced from the rear wall of the work space is arranged.
  • the single FIGURE shows a no-frost cooling device with arranged in its cooling chamber, covered by an air duct and by a seated inside the air duct fan ventilated finned evaporator, in sectional view from the side.
  • a no-frost refrigerating device 10 with a heat-insulating housing 11 is shown in a simplified schematic representation, for example, as a refrigerator or freezer use.
  • a work space 13 which is accessible via a door 12 which is in the closed state and which is designed as a cooling space, is accessible accessible, which is lined by a belonging to the structure of the housing 11 inner lining 14.
  • the inner lining 14 is integrally formed chipless from a plastic plate and has two opposite side walls 15 (only one of which is shown), a bottom 16, a cover 17 arranged opposite thereto and a rear wall 18 opposite the door 12.
  • an evaporator 19 attached, which is designed as a so-called finned evaporator.
  • the total designed in the form of a cuboid evaporator 19 is fixed in an upright position with one of its large-scale shell sides on the rear wall 18.
  • a fan 20 designed as an axial fan in the present case is arranged on the rear wall 18, so that the evaporator 19 lies in the suction-side air flow of the fan 20.
  • Both the fan 20 and the evaporator 19 is disposed within a substantially over the width of the cooling space 13 reaching, in cross-section substantially angularly shaped air guide 21.
  • the fan wheel is arranged in the plane of a seated at the free end of the air duct 24 air outlet opening 25. This leads into approximately the upper third of the rear wall 18.
  • the air duct 21 is produced in the present case by an angled in the manner of an angle air duct 26 with two angle legs 27 and 28, of which the angle leg 27 extends parallel to the ceiling 17, while the angle leg 28 parallel complains to the rear wall 18, is provided in the upper third.
  • the cooling air (indicated by arrows) is purposefully sucked out of the inherently warmer door region near the cover 17 and conveyed to cool it via the finned evaporator 19 before it is cooled down by the fan 20 in the erection the air outlet opening 25 is accelerated and blown over this back into the cooling chamber 13.

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)
  • Defrosting Systems (AREA)
EP00984946A 1999-12-22 2000-10-31 Kältegerät wie no-frost-kühl- oder gefrierschrank Expired - Lifetime EP1242775B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19962258A DE19962258A1 (de) 1999-12-22 1999-12-22 Kältegerät wie No-Frost-Kühl- oder Gefrierschrank
DE19962258 1999-12-22
PCT/EP2000/010763 WO2001046630A1 (de) 1999-12-22 2000-10-31 Kältegerät wie no-frost-kühl- oder gefrierschrank

Publications (2)

Publication Number Publication Date
EP1242775A1 EP1242775A1 (de) 2002-09-25
EP1242775B1 true EP1242775B1 (de) 2006-01-18

Family

ID=7933971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00984946A Expired - Lifetime EP1242775B1 (de) 1999-12-22 2000-10-31 Kältegerät wie no-frost-kühl- oder gefrierschrank

Country Status (5)

Country Link
EP (1) EP1242775B1 (xx)
AT (1) ATE316232T1 (xx)
DE (2) DE19962258A1 (xx)
TR (1) TR200201622T2 (xx)
WO (1) WO2001046630A1 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005029907C5 (de) * 2005-06-26 2016-05-19 Kramer Gmbh Umluftkühlmaschine für eutektische Platten
IT1402899B1 (it) 2010-11-24 2013-09-27 Angelantoni Ind Spa Congelatore ult con ridotta formazione di ghiaccio
EP2613111A3 (en) 2012-01-03 2015-07-01 Indesit Company Beyaz Esya Sanayi ve Ticaret Anonim Sirketi A refrigerator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532816A (en) * 1949-11-16 1950-12-05 Gen Electric Air circulating arrangement for refrigerators
US3261173A (en) * 1964-07-29 1966-07-19 Gen Motors Corp Refrigerating apparatus
CH635190A5 (de) * 1977-02-03 1983-03-15 Forster Hermann Ag Verfahren zum kuehllagern und frischhalten von frischprodukten sowie kuehlmoebel zur ausfuehrung des verfahrens.
US4642998A (en) * 1985-09-06 1987-02-17 Samsung Electronic Co., Ltd. Refrigerator cooling air flow control apparatus
DE3810212A1 (de) * 1987-12-14 1989-06-22 Liebherr Hausgeraete Gefrierschrank
JPH0618194Y2 (ja) * 1989-04-13 1994-05-11 シャープ株式会社 冷蔵庫
US5157941A (en) * 1991-03-14 1992-10-27 Whirlpool Corporation Evaporator for home refrigerator
DE19855224A1 (de) * 1998-11-30 2000-05-31 Bsh Bosch Siemens Hausgeraete Kältegerät
DE29903665U1 (de) * 1999-03-01 1999-05-20 Liebherr-Werk Lienz Ges.M.B.H., Lienz Kombiniertes Kühl- und Gefriergerät

Also Published As

Publication number Publication date
EP1242775A1 (de) 2002-09-25
ATE316232T1 (de) 2006-02-15
WO2001046630A1 (de) 2001-06-28
DE19962258A1 (de) 2001-06-28
TR200201622T2 (tr) 2002-10-21
DE50012094D1 (de) 2006-04-06

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