EP0718570B1 - Kältegerät, insbesondere Kühl- oder Gefriergerät - Google Patents

Kältegerät, insbesondere Kühl- oder Gefriergerät Download PDF

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Publication number
EP0718570B1
EP0718570B1 EP95117860A EP95117860A EP0718570B1 EP 0718570 B1 EP0718570 B1 EP 0718570B1 EP 95117860 A EP95117860 A EP 95117860A EP 95117860 A EP95117860 A EP 95117860A EP 0718570 B1 EP0718570 B1 EP 0718570B1
Authority
EP
European Patent Office
Prior art keywords
air
sound
labyrinth
cooling
absorbing
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
EP95117860A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0718570A3 (es
EP0718570A2 (de
Inventor
Matthias Dr. Ing. Mrzyglod
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
Priority to SI9530450T priority Critical patent/SI0718570T1/xx
Publication of EP0718570A2 publication Critical patent/EP0718570A2/de
Publication of EP0718570A3 publication Critical patent/EP0718570A3/en
Application granted granted Critical
Publication of EP0718570B1 publication Critical patent/EP0718570B1/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
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • 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
    • F25D2201/00—Insulation
    • F25D2201/30—Insulation with respect to sound
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0021—Details for cooling refrigerating machinery using air guides
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00264—Details for cooling refrigerating machinery characterised by the incoming air flow through the front bottom part
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00274—Details for cooling refrigerating machinery characterised by the out-flowing air from the front bottom

Definitions

  • the invention relates to a refrigerator, in particular a Refrigerator or freezer with at least one inside it arranged in a heat-insulating housing and by a Door lockable cold room, as well as one for receiving Equipment units, such as fans, condensers and compressors serving aggregate space, within which at least one connected to a supply air and an exhaust air opening, as a flow channel for receiving the device units trained airway is provided, which with the supply air side upstream of the unit and on the exhaust side provided this downstream sound-absorbing means and is supplied with cooling air by the fan.
  • Equipment units such as fans, condensers and compressors serving aggregate space, within which at least one connected to a supply air and an exhaust air opening, as a flow channel for receiving the device units trained airway is provided, which with the supply air side upstream of the unit and on the exhaust side provided this downstream sound-absorbing means and is supplied with cooling air by the fan.
  • a refrigerator which underneath his cold room serving as usable space with a Pedestal is equipped in its bounded by its walls Space provided a U-shaped air duct arrangement is. This is used to hold the device aggregates, like fan, condenser and compressor, and has both a supply air and an exhaust air opening, each of which with sound-absorbing means to reduce the fan and coming from the compressor and by air reproducing noise is equipped.
  • the invention is based, for a refrigerator according to the preamble of claim 1 soundproofing measures to propose which one with a simple structure have high functionality and at the same time adequate ventilation of the device aggregates for a long time is secured.
  • the sound-absorbing means arranged within the flow channel and predominantly made of sound-absorbing Material are formed and at least in sections to a labyrinthine airway for the cooling air circulated by the fan are arranged, which essentially within the labyrinthine airway can flow uninhibited.
  • the noise-reducing effect of the Soundproofing be it through appropriate choice of materials or through a large number of lined up labyrinth sections, without any noticeable loss of cooling air performance to vary, with the sound-absorbing effect additionally through a variety of different labyrinth structures can be influenced effectively.
  • the labyrinthine Air essentially through the wall surfaces from one another in a row at a distance from each other, along the wall of the flow channel Air-arranged, sound-absorbing individual elements is formed, the mutually facing ends overlap.
  • the labyrinth-like effect is equipped with sound-absorbing effectiveness By air if after a next beneficial Design of the subject of the invention is provided that the labyrinthine airway through the walls of at least two mutually spaced one behind the other, sound-absorbing individual elements are formed whose ends facing each other overlap.
  • a particularly uniform flow cross-section within of the labyrinthine airway can be achieved if after a further preferred embodiment of the object the invention provides that the labyrinthine Air-forming walls of the individual elements in parallel Are spaced from each other.
  • a particularly space-saving construction for a labyrinth-like one Airway arises if corresponding to another preferred embodiment of the object of the invention it is provided that the cuboidal individual elements for Formation of the labyrinthine airway essentially arranged perpendicular to the walls of the flow channel are.
  • the invention provides that the labyrinthine Airway at a distance from the supply air and exhaust air openings the flow channel is arranged.
  • a flow channel is particularly expediently designed, if after a further advantageous embodiment of the object the invention provides that at least one side wall running along the flow direction of the cooling air of the flow channel in the area of the labyrinthine Air lined with sound absorbing material is.
  • the invention provides that the flow channel has a U-shaped contour and its supply air section from its exhaust section through a sound-absorbing partition are separated from each other.
  • the device base 16 a base 17 on the side edges a base space directed towards the bottom of the freezer compartment 14 enclosing base walls are arranged.
  • the front base wall facing the door 13 as a removable ventilation grille 18 with a grid divided air passage openings 19 formed during the remaining base walls as a continuous one Wall string 20 are formed, which on the base floor 17 are molded together and in this way together with this form a one-piece molding, which for example is made of plastic injection molding.
  • the through the ventilation grille 18 and the continuous wall draft 20 bounded plinth space serves as an aggregate space 21 for receiving opposite the ventilation grille 18 in its aggregates arranged in its rear area, such as a condenser 22, a compressor 23 and one between these two arranged fan 24.
  • This generates an air flow 25 (dashed lines) during its operation shown), which circulates in the direction of the arrow, so that the Condenser 22 for cooling it in the pressure-side section of the air flow 25, while the compressor 23 to its Cooling of the suction side section of the air flow 25 is swept over.
  • the air flow 25 is within the engine room 21 in a U-shaped air duct Flow channel 26 out, within which arranged rear area of the unit space 21, through the yoke connecting the two legs of the U-profile formed channel section arranged the equipment are.
  • the adjoining this channel section through which Leg of the U-shaped channel sections, of which the in the flow direction of the air flow 25 after the condenser 22 arranged duct section as exhaust air duct 27 and the upstream of the compressor in the flow direction of the air flow 25 23 lying duct section serves as supply air duct 28.
  • the both serving as exhaust air duct 27 and as supply air duct 28 Channel sections are fluidly separated from each other a channel partition 29 separated, which essentially is arranged perpendicular to the ventilation grille 18 and which on its end sections 30 and 31 made of reverberant material is formed, while the intermediate middle section 32 made of sound-absorbing material (e.g. open-pore Foam).
  • the end portion 31 is at a distance from the Fan 24 diameter of the fan 24 made of sound-resistant Material formed wall web 33 opposite, which together with the end portion 31 of the channel partition 29 Air outlet for the air flow sucked in by the fan 24 25 free savings.
  • the air flow 25 is both in the exhaust duct 27 and in Supply air duct 28 in a labyrinthine airway 34 out (for the supply air duct 28 is on the illustration airflow 25 has been omitted for the sake of clarity).
  • the labyrinth is alternately spaced one behind the other arranged, sound-absorbing cuboid
  • Individual elements 35 formed, which are substantially vertical to those that delimit the supply air duct 28 and the exhaust air duct 27 Side walls are arranged. Within the The supply air duct, the individual elements 35 are arranged in such a way that their mutually facing ends 36 overlap and whose wall surfaces 37 together on the overlapping ends 36 form the labyrinthine airway 34.
  • the arrangement of the labyrinthine airway 34 provides for those of the device aggregates, especially the compressor 23 and sound waves emanating from the fan 24 Sound path 38 (symbolic with adjacent arrows for the exhaust air duct 27) due to which the sound energy emanating from the device units mentioned through repeated reflection within the labyrinthine Airway 34 on the sound-absorbing individual elements 35 almost completely converted into thermal energy so that only a small percentage of the original Noise emission from the device units from the unit room 21 exits.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP95117860A 1994-12-19 1995-11-13 Kältegerät, insbesondere Kühl- oder Gefriergerät Expired - Lifetime EP0718570B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530450T SI0718570T1 (en) 1994-12-19 1995-11-13 Refrigeration apparatus, especially refrigerator or freezer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4445286 1994-12-19
DE4445286A DE4445286C2 (de) 1994-12-19 1994-12-19 Kältegerät

Publications (3)

Publication Number Publication Date
EP0718570A2 EP0718570A2 (de) 1996-06-26
EP0718570A3 EP0718570A3 (es) 1996-08-07
EP0718570B1 true EP0718570B1 (de) 2001-01-17

Family

ID=6536267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117860A Expired - Lifetime EP0718570B1 (de) 1994-12-19 1995-11-13 Kältegerät, insbesondere Kühl- oder Gefriergerät

Country Status (4)

Country Link
EP (1) EP0718570B1 (es)
DE (2) DE4445286C2 (es)
ES (1) ES2154704T3 (es)
SI (1) SI0718570T1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8133568B2 (en) 2005-08-22 2012-03-13 Owens Corning Intellectual Capital, Llc Die cut insulation blanket

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999020825A1 (en) 1997-10-21 1999-04-29 Owens Corning Noise abatement for appliance
IT245292Y1 (it) * 1998-01-23 2002-03-20 Electrolux Zanussi Elettrodome Apparecchio refrigerante con un elemento perfezionato di guidadel flusso d'aria di dissipazione del calore
US6776000B2 (en) * 2002-07-02 2004-08-17 Lg Electronics Inc. Built-in refrigerator
KR100569935B1 (ko) * 2003-12-01 2006-04-10 엘지전자 주식회사 빌트인 냉장고의 방열장치
GB2413172B (en) * 2004-04-13 2008-09-24 Arctic Circle Ltd An enclosure for apparatus for refrigeration or air conditioning
US7923092B2 (en) 2005-08-22 2011-04-12 Owens Corning Intellectual Capital, Llc Die cut insulation blanket and method for producing same
DE202006005547U1 (de) 2006-04-05 2006-06-08 BSH Bosch und Siemens Hausgeräte GmbH Einbau-Kältegerät
DE202007010237U1 (de) 2007-07-24 2007-09-20 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
BRPI0916923A2 (pt) 2008-08-04 2018-05-22 Owens Corning Intellectual Capital Llc elemento de isolamento para um eletrodoméstico tal como uma lavadora de louça
KR20110019074A (ko) * 2009-08-19 2011-02-25 엘지전자 주식회사 냉장고
DE102009056423A1 (de) 2009-09-03 2011-03-10 Liebherr-Hausgeräte Ochsenhausen GmbH Unterbaugruppenelement für ein Kühl- und/oder Gefriergerät sowie Kühl- und/oder Gefriergerät
DE102009056424A1 (de) 2009-09-03 2011-03-10 Liebherr-Hausgeräte Ochsenhausen GmbH Unterbaugruppenelement für ein Kühl- und/oder Gefriergerät, Baugruppe sowie Kühl- und/oder Gefriergerät
DE102009056426A1 (de) 2009-09-03 2011-03-10 Liebherr-Hausgeräte Ochsenhausen GmbH Unterbaugruppenelement für ein Kühl- und/oder Gefriergerät, Kühl- und/oder Gefriergerät sowie Verfahren zur Montage eines Kühl- und/oder Gefriergerätes
DE102011002776A1 (de) * 2011-01-17 2012-07-19 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Verfahren zur Herstellung eines Kältegeräts
DE102011088657A1 (de) * 2011-12-15 2013-06-20 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem Lüftungskanal
EP2667126A3 (de) * 2012-05-25 2018-07-04 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
DE102014008379B4 (de) * 2014-06-05 2021-02-04 Remko Gmbh & Co. Kg Klima- Und Wärmetechnik Schallschutz-Einhausung
US10126039B2 (en) 2015-12-29 2018-11-13 Whirlpool Corporation Refrigeration appliance having side air intake vent with sound dampening
DE102016100705A1 (de) * 2016-01-18 2017-07-20 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Luftversorgungsanlage
US11378325B2 (en) * 2019-07-12 2022-07-05 Thetford Bv Refrigerator with noise reduction
US11415032B2 (en) 2019-12-23 2022-08-16 Rheem Manufacturing Company Noise muffler for an air moving device
HUE060544T2 (hu) 2020-02-06 2023-03-28 Hauser Gmbh Hûtõszekrény hangelnyelõ elemmel
EP4129135B1 (de) * 2021-08-03 2024-04-03 Vorwerk & Co. Interholding GmbH Haushaltsgerät mit einer schalldämpfungseinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797553A (en) * 1955-03-23 1957-07-02 Whirlpool Seeger Corp Household refrigerator assembly
GB1107726A (en) * 1964-07-07 1968-03-27 Sound Attenuators Ltd Improved centrifugal fan or blower and a ventilator embodying the same
US3785168A (en) * 1972-12-18 1974-01-15 Gen Electric Household refrigerator
DE9206167U1 (de) * 1992-05-08 1993-06-09 Liebherr-Hausgeräte GmbH, 7955 Ochsenhausen Kühl- und/oder Gefrierschrank mit einem Sockelteil
US5428973A (en) * 1992-11-13 1995-07-04 Kabushiki Kaisha Toshiba Refrigerator with meandering air duct for wire and tube condenser
CA2104991C (en) * 1993-08-27 1996-09-10 Nestor Ewanek Sound reduction unit for compressors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8133568B2 (en) 2005-08-22 2012-03-13 Owens Corning Intellectual Capital, Llc Die cut insulation blanket

Also Published As

Publication number Publication date
ES2154704T3 (es) 2001-04-16
DE4445286A1 (de) 1996-06-20
EP0718570A3 (es) 1996-08-07
EP0718570A2 (de) 1996-06-26
DE4445286C2 (de) 1998-12-24
SI0718570T1 (en) 2001-04-30
DE59508977D1 (de) 2001-02-22

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