EP1846707A1 - Kältegerät - Google Patents
KältegerätInfo
- Publication number
- EP1846707A1 EP1846707A1 EP06725308A EP06725308A EP1846707A1 EP 1846707 A1 EP1846707 A1 EP 1846707A1 EP 06725308 A EP06725308 A EP 06725308A EP 06725308 A EP06725308 A EP 06725308A EP 1846707 A1 EP1846707 A1 EP 1846707A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- inner housing
- cooling air
- appliance according
- refrigerating appliance
- 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
Links
- 238000001816 cooling Methods 0.000 claims abstract description 60
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 230000008093 supporting effect Effects 0.000 claims description 2
- 239000003550 marker Substances 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000011796 hollow space material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 229920006328 Styrofoam Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000008261 styrofoam Substances 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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
- F25D2317/065—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
- F25D2317/0653—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 mullion
-
- 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
- F25D2317/067—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 air ducts
-
- 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 refrigeration device with an outer housing, with a spaced from the outer housing and surrounded by this inner housing, wherein the resulting between the outer housing and the inner housing cavity is filled with foam for insulation purposes, further with an inner housing surrounded by the interior, cooled by circulation of cooling air which is supplied to the internal space by means of a cooling air channel for distributing cooling air, which is arranged between the outer housing and the inner housing.
- Such refrigerators which are also referred to as no-frost refrigerators, are known in the art. They usually have a arranged outside of the interior, ventilated by a fan refrigerant, such as an evaporator, is sucked out of the interior of the sucked air to cool them and to dry by condensation, the thus obtained dry cooling air Interior is supplied by means of a cooling air duct.
- the cooling air duct is generally embedded, as shown for example in FIG. 2 of DE 39 32 449 C2, in a heat-insulating foam structure arranged between the outer housing and the inner housing, in order to avoid having to separately isolate it from the inner housing in a complex manner.
- the invention is therefore an object of the invention to provide a refrigeration device of the type mentioned above with an arranged between an outer casing and an inner housing cooling air duct, which can be made easier to manufacture and therefore less expensive.
- This object is achieved in a refrigerator of the generic type in that the cooling air channel is formed from a voltage applied to an outer side of the inner housing molding of insulating material and a closed rear wall element.
- the cooling air channel is formed from a molded part of insulating material, such as a rigid polystyrene foam, and a closed rear wall element, wherein the molded part rests against an outer side of the inner housing and thus the inner housing and thus the inner space against the cooling air duct heat-insulated.
- a complete embedding of the cooling air duct in a located between the outer and inner casings heat-insulating foam structure is therefore eliminated, so that can be dispensed with the aforementioned time-consuming and costly preparatory work to this and the refrigeration device can thus produce cheaper.
- Another advantage of the refrigerator according to the invention lies in the spatial proximity of the cooling air duct to the inner housing or to the interior. By this arrangement, the heat input is reduced in the cooling air duct, thus reducing the energy consumption and thus the operating costs of the refrigerator.
- the rear wall element is designed as a U-profile with two profile legs contacting the inner housing. This gives the possibility to form the cooling air channel on a flat wall of the inner housing.
- the molded part is formed as an elongated plate, the longitudinal edges abut each one of the leg inner sides of the U-profile, so as to isolate the cooling air passage over its entire cross-section against the interior.
- the cooling air duct comprises at least one support element which is arranged between the inside of a profile back of the U-profile and a region of the inner housing facing the profile back.
- a relatively high pressure is created during the expansion of the foam, which in particular also rests on the back of the U-profile and thus can lead to a deformation of the channel and thus to a reduction in its cross-section.
- Such a reduction of the channel cross section counteracts the support element.
- the supporting effect is particularly effective when the support member extends over the entire length of the cooling air passage.
- the support element preferably extends in the flow direction along a center line of the cooling air duct.
- the elongated plate and the support member may be integrally connected, for example in the form of a T-profile or an E-profile realized.
- a T-profile or an E-profile realized as a T-profile or as an E-profile.
- two or three adjacent cooling air ducts can be produced in a simple manner in combination with the rear wall element.
- the support element is formed in cross-section in the manner of a comb, resulting from the comb gaps a plurality of cooling air ducts.
- a particularly intensive and uniform support of the rear wall element succeeds
- the elongated plate webs are angled, which can also serve to support the rear wall element or to facilitate its positioning.
- the inner housing is provided at least with a mark indicating an intended mounting position of the molded part on the inner housing.
- assembly of the molded part is facilitated on the inner housing.
- the rear wall element preferably on a side facing the molding, is provided with a positioning aid to bring the rear wall element easily, quickly and reliably in the desired position ,
- the U-profile can be fixed to the inner housing, can be provided in a further preferred embodiment of the invention that the U-profile is provided in the region of its leg ends with a flange.
- the molded part and at corresponding points, the inner housing is provided with air passage openings.
- the refrigeration device according to the invention is preferably a refrigeration device in no-frost technology, which is preferably designed as a household refrigeration appliance. It may be a refrigerator or freezer or a so-called. Refrigerated / freezer combination device.
- Figure 1 is a vertical sectional view of a first embodiment of a refrigerator according to the invention with a voltage applied to an inner housing cooling air duct.
- FIG. 2 detail of a horizontal sectional view of the invention
- FIG. 3 is a view corresponding to FIG. 2 a second embodiment of the
- Fig. 4 is a view corresponding to FIG. 2 a third embodiment of the
- a generally occupied by the reference numeral 10 household refrigerating appliance is shown.
- the refrigeration device comprises two interior spaces 12 and 14, which are arranged in a heat-insulating housing 20 and each accessible via a heat-insulating door 21 and 23 respectively.
- the upper space 12 is formed as Tiefgefrierraum and the lower space 14 as a cooling space.
- the interiors 12 and 14 are each surrounded by an inner housing shell 16 and 18 as an inner housing, which is formed from a thermoformed plastic plate.
- the between a non-illustrated, formed of sheet metal outer container outer housing and the inner housing shells 16 and 18 located space is filled with a foam 22 made of plastic material, such as a polyurethane.
- the refrigerator is equipped in a known manner with a known per se and therefore not shown in the drawing compressor cooling unit, of whose individual components here for the sake of simplicity, only a refrigerant evaporator 24 is shown.
- the evaporator 24 is arranged in a chamber 26 in a heat-insulating intermediate bottom 28 located between the inner housing shells 16 and 18.
- a cooling air duct 32 which is formed from a voltage applied to rear walls of the inner housing shells 16 and 18 plate 34 made of styrofoam as a molded part and a U-profile 44 made of plastic material as a rear wall element and passes from there through exhaust openings 54 as air passage openings, which pass through the inner housing shell 16 and the Styrofoam plate 34, in the interior 12.
- the cooling air cooled and dried by the evaporator 24 is discharged in a leading to the cooling chamber 14 portion of the cooling air channel 32 and passes from there via blow-out 56 as Air flow openings, which pass through the Styrofoam plate 34 and the inner housing shell 18, in the interior 14.
- the control of the cooling air supply to the interiors 12 and 14 takes place in a known per se and therefore not shown in the drawing via thermostats and flaps.
- a heater, also not shown, is present in the intermediate floor 28 for deicing the evaporator 24.
- the cooling air channel 32 is formed from the plate 34 and the U-profile 44 by the longitudinal ends 36 of the plate 34 come to the leg inner sides 46 sealingly to the plant.
- the leg ends 48 terminate flush with the side 45 of the plate 34 facing away from the back 45 of the U-profile, so that they come to rest on the inner housing shell 18.
- the legs 47 are provided in the region of their longitudinal ends 48 each with an angled to the outside of the respective leg 47 flange 49 which rests against the rear wall of the inner housing shell 18 and by means of which the U-profile 44 is fixed by means of an adhesive material at this.
- FIG. 3 shows a view, analogous to FIG. 2, of a second embodiment of a refrigeration appliance as refrigeration appliance.
- the refrigeration device comprises a cooling air channel 62, which is constructed from a U-profile 74 as a rear wall element and a T-profile 64 as a molded part.
- the U-profile 74 which is embedded on the outside in a foam 72 made of plastic material, has in each case a flange 79 in the region of its leg ends 78.
- the U-profile 74 is fixed by means of these flanges 79 on a rear wall of an inner housing shell 58 as an inner housing.
- the arranged between the legs 77 of the U-profile 74 T-profile 64 has a profile back 65 and a mid-rib 66. While the longitudinal end 67 of the center rib 66 sealingly abuts the inside of the back 75 of the U-profile 74, the longitudinal ends 68 of the T-profile back 65 come to the leg inner sides 73 of the U-profile 74 sealingly to the system, so that two independent cooling air ducts 82nd and 84 are formed and the central rib 66 the U-profile back 75 is supported.
- the side surface of the profile back 65 facing away from the center rib 66 rests against the rear wall of the inner housing shell 58 and is fixed there by means of an adhesive.
- each of the cooling air lines 82 and 84 of the cooling air channel 62 is provided with exhaust openings 86 as air passage openings, which cover the back 65 of the T-profile 64 and at corresponding locations the rear wall of the inner housing shell 58 push through.
- FIG. 4 shows a view corresponding to FIG. 2 of a third embodiment of a refrigeration device according to the invention as a cooling device.
- the refrigeration device comprises a cooling air channel 92 which is formed from a U-profile 104 as a rear wall element and an E-profile 94 as a molded part.
- the outside surrounded by a foam 112 made of plastic material U-profile 104 has a profile back 105 and two legs 107, in the region of which longitudinal ends 108 each have an outwardly directed flange 109 is arranged.
- the flanges 109 abut on a rear wall of an inner housing shell 88 as an inner housing and are fixed for fixing the U-profile 104 on the inner housing shell 88 to the latter by means of an adhesive.
- the E-profile 94 disposed between the legs 107 of the U-profile 104 has a profile back 95, two lateral webs 97 and a mid-rib 96 arranged between these webs 97.
- the voltage applied to the inner housing shell 88 with its free back side E-profile 94 is located with the longitudinal ends 98 of the webs 97 and the longitudinal end 99 of the center rib 96 sealingly against the inside of the profile back 105 and thus forms the cooling air channel 92 with two independent cooling air lines 122 and 124 off.
- each of the cooling air ducts 122 and 124 is provided with exhaust openings 106 as air passage openings which pass through the back 95 of the E-profile 94 and the inner shell 88 at appropriate locations ,
- the rear wall of the inner housing shell 88 is provided with markings in the form of the rear wall passing through rectangular cutouts 114, along the longitudinal edges of the E-profile 94 can be aligned during assembly before it is fixed to the inner housing shell 88 in the desired position.
- the punched-out portions 114 can likewise serve, for example, for holding holding elements of an air-distribution mask which is not shown in the figure and which is arranged in the interior 12 or 14.
- a triangular strip 111 extending in its longitudinal direction is fixed as a positioning aid.
- the triangular strips 111 which are shown offset from the U-profile 104 in FIG. 4, could easily be integrally integrated in the contour of the U-profile.
- the triangular strips can also be replaced by the strips 80 of FIG. 3 or combined with them.
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)
- Refrigerator Housings (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005021613A DE102005021613A1 (de) | 2005-05-10 | 2005-05-10 | Kältegerät |
PCT/EP2006/061038 WO2006120058A1 (de) | 2005-05-10 | 2006-03-24 | Kältegerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1846707A1 true EP1846707A1 (de) | 2007-10-24 |
EP1846707B1 EP1846707B1 (de) | 2011-11-02 |
Family
ID=36581731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06725308A Active EP1846707B1 (de) | 2005-05-10 | 2006-03-24 | Kältegerät |
Country Status (8)
Country | Link |
---|---|
US (1) | US8959946B2 (de) |
EP (1) | EP1846707B1 (de) |
CN (1) | CN101171473B (de) |
AT (1) | ATE532014T1 (de) |
DE (1) | DE102005021613A1 (de) |
ES (1) | ES2373972T3 (de) |
RU (1) | RU2395761C2 (de) |
WO (1) | WO2006120058A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20091007A1 (it) | 2009-12-21 | 2011-06-22 | Indesit Co Spa | Apparecchio di refrigerazione del tipo no-frost, in particolare di uso domestico. |
DE102011006807A1 (de) * | 2011-04-05 | 2012-10-11 | BSH Bosch und Siemens Hausgeräte GmbH | Kombinationskältegerät |
CN102997546A (zh) * | 2011-09-19 | 2013-03-27 | 博西华电器(江苏)有限公司 | 家用冰箱 |
WO2015089365A2 (en) * | 2013-12-12 | 2015-06-18 | Electrolux Home Products, Inc. | Movable mullion |
CN112556272B (zh) | 2014-01-07 | 2022-08-02 | 三星电子株式会社 | 冰箱 |
CN104296460B (zh) * | 2014-10-23 | 2016-11-30 | 合肥美的电冰箱有限公司 | 用于冰箱的冷冻箱胆组件和具有其的冰箱 |
US10890370B2 (en) * | 2014-12-31 | 2021-01-12 | Bsh Hausgeraete Gmbh | Cooling device having an air channel and a baffle |
KR102261134B1 (ko) * | 2017-03-10 | 2021-06-07 | 엘지전자 주식회사 | 냉장고 |
KR102454399B1 (ko) * | 2017-09-22 | 2022-10-14 | 엘지전자 주식회사 | 냉장고 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3027735A (en) * | 1960-01-25 | 1962-04-03 | Gen Motors Corp | Refrigerating apparatus |
US3104533A (en) * | 1961-04-24 | 1963-09-24 | Gen Motors Corp | Refrigerating apparatus |
US3466891A (en) * | 1967-09-06 | 1969-09-16 | Amana Refrigeration Inc | Combination freezer and refrigerator with fast freezing means |
JPH0295180A (ja) * | 1988-09-29 | 1990-04-05 | Canon Inc | 尺取り虫型駆動機構 |
US5495726A (en) * | 1993-09-24 | 1996-03-05 | Daewoo Electronics Co., Ltd. | Mechanism for cooling a fresh food compartment of a refrigerator |
KR0153496B1 (ko) * | 1996-06-29 | 1999-01-15 | 배순훈 | 냉장고 |
TW422331U (en) * | 1997-04-25 | 2001-02-11 | Mitsubishi Electric Corp | Refrigerator |
US6112542A (en) * | 1998-12-15 | 2000-09-05 | Daewoo Electronics Co., Ltd. | Refrigerator having a cooled-air passageway formed with an external surface of a liner |
KR100557490B1 (ko) * | 1999-06-02 | 2006-03-07 | 주식회사 엘지이아이 | 냉장고의 냉기 토출구 형성구조 |
CA2355155C (en) * | 2000-08-16 | 2009-10-13 | Lg Electronics Inc. | Door cooling apparatus for refrigerator with double-acting door |
-
2005
- 2005-05-10 DE DE102005021613A patent/DE102005021613A1/de not_active Withdrawn
-
2006
- 2006-03-24 US US11/918,597 patent/US8959946B2/en active Active
- 2006-03-24 EP EP06725308A patent/EP1846707B1/de active Active
- 2006-03-24 ES ES06725308T patent/ES2373972T3/es active Active
- 2006-03-24 AT AT06725308T patent/ATE532014T1/de active
- 2006-03-24 RU RU2007136710/12A patent/RU2395761C2/ru not_active IP Right Cessation
- 2006-03-24 WO PCT/EP2006/061038 patent/WO2006120058A1/de active Application Filing
- 2006-03-24 CN CN200680015467.7A patent/CN101171473B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006120058A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2395761C2 (ru) | 2010-07-27 |
WO2006120058A1 (de) | 2006-11-16 |
ES2373972T3 (es) | 2012-02-10 |
CN101171473A (zh) | 2008-04-30 |
EP1846707B1 (de) | 2011-11-02 |
US8959946B2 (en) | 2015-02-24 |
DE102005021613A1 (de) | 2006-11-23 |
RU2007136710A (ru) | 2009-06-20 |
ATE532014T1 (de) | 2011-11-15 |
US20090056364A1 (en) | 2009-03-05 |
CN101171473B (zh) | 2011-03-02 |
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