EP0547311B1 - Haushaltskühlgerät - Google Patents
Haushaltskühlgerät Download PDFInfo
- Publication number
- EP0547311B1 EP0547311B1 EP92117022A EP92117022A EP0547311B1 EP 0547311 B1 EP0547311 B1 EP 0547311B1 EP 92117022 A EP92117022 A EP 92117022A EP 92117022 A EP92117022 A EP 92117022A EP 0547311 B1 EP0547311 B1 EP 0547311B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- air
- evaporator
- cooling
- compartment
- 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
Links
- 238000001816 cooling Methods 0.000 claims description 23
- 238000010257 thawing Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- 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
-
- 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 household refrigerator with at least one lockable by a door Cold room, in the refrigerated goods container, an evaporator and this at times with Indoor air-supplying fans are provided, which are natural, due to the cooling capacity of the evaporator-induced convection current is arranged.
- Such cooling devices are both from GB-A-867 292 and from US-A-2 532 816 known.
- the shortest possible defrosting time is sought.
- this solution has the disadvantage that the two subjects are different Temperature-connecting air duct, regardless of which of the both compartments are accessed more often, the humidity penetrating into the respective cooling compartment condenses on the evaporator and freezes it prematurely. It is also for this Solution usually requires a complex installation of a second fan.
- a fan is provided in this shaft in the area of the freezer compartment Cooling operation to keep the temperature in the freezer forcibly circulates the air and feeds via the evaporator, but stands still in defrost mode.
- the invention has for its object to take measures that the defrost on simple support and speed up while at the same time the disadvantages of the stand avoid technology.
- the object is achieved according to the invention in that the fan both the cooling air in Cooling operation as well as in defrosting operation is forced, with the cooling air through the Arrangement and design of the refrigerated goods container and the fan in the area of the cold room walls and is guided along the door over its entire height and width.
- the solution according to the invention has the advantage on the one hand. that no second fan through elaborate and yet often installed the thermal insulation reducing installation and on the other hand the advantage that the subjects have different temperatures are thermally separated.
- the fan is arranged below the evaporator so that the Evaporator is in the suction air flow of the fan.
- Such a solution has the advantage that the flow direction generated by the fan with the natural resulting from the warmer and colder areas within the compartment Air circulation coincides, so that both flow directions overlap and don't work against each other.
- the fan is designed as an axial fan.
- This solution has the advantage that the fan in a confined space within the refrigerator can be integrated. so that valuable storage space is preserved in the refrigerator compartment. Such are also Fan particularly inexpensive.
- the fan on the blow-out side with a blow-out air via the Width of the refrigerator compartment leading cover is provided.
- the with the arranged in the refrigerator compartment Refrigerated goods containers cooperate such that the blow-out air over the door-side area is fed away to the evaporator.
- a solution according to this feature has the advantage that the one generated by the fan Air flow is essentially guided to the evaporator and evenly over the entire evaporator surface is conveyed. Also inside the refrigerator compartment an air mixture that is as comprehensive as possible between the colder and warmer air areas reached.
- a household refrigerator 10 shown in FIG. 1 is provided with a closable by a door 11, heat-insulated housing 12 equipped. in which two by a heat insulated Separating plate 13 arranged thermally separated compartments of different temperatures are.
- the compartment above the partition plate 13 serves as a normal cooling compartment 14 and is in the usual way with serving as a shelf 15, while that below the partition plate 13 arranged cooling compartment is designed as a zero-degree compartment 16.
- the zero-degree compartment 16 is provided with several superposed ones, some of which are designed as extracts Containers 17, 18 and 19 provided for receiving the goods to be stored there (as can also be seen in particular as FIG. 2).
- both cooling compartments 14 and 16 on their rear wall each with a flat evaporator 20 and 21 in the form of a so-called cold wall evaporator fitted.
- the zero-degree compartment 16 has an axial fan trained fan 22 (this is only hinted at here), which both in Cooling operation of the refrigerator 10 to achieve the cooling air within the zero degree compartment 16 circulates a temperature distribution that is as uniform as possible and via the evaporator 21 promotes, as well as in the defrost operation of the refrigerator 10 at certain time intervals automatically initiated defrosting of the evaporator 21 by forced circulation the air inside the compartment 16 supports.
- the fan 22 arranged at a distance below the evaporator 21 is laterally one stepped projection 23 recessed corner area 24 arranged and with a cover 25 provided with fasteners not specified in the housing wall is anchored (cf. in particular also FIG. 3).
- the one installed under cover 25 Fan 22 is arranged with respect to the evaporator 21 so that it is on the suction side Air flow of the fan 22 is.
- the exhaust air flow of the fan is 21 in its vicinity through the cover 25, which for this purpose Air guidance devices described in more detail below, which is on the inside the walls of the cover adapted to the contours of the step-like projection 23 25 are arranged.
- the lower edge of the vertical assigned to the front of the step-like projection 23 Wall 26 of cover 25 forms a nozzle-like shape with the bottom of housing 12 Air outlet 27, while its horizontal associated with the top of the projection 23 Wall 28 with a vent that runs near the rear wall of the housing 12 29 having air inlet is provided.
- the cover is for influencing the blow-out air flow generated by the fan 22 25 on the inside with air guiding devices in the form of an impeller of the fan 22 cover 30 from above and on the inside of its upright wall with a fan shape arranged ribs 31 to 34 provided an even air distribution have different design above the floor.
- Deviating from the illustrated and described embodiment example can also be provided be that the bottom of the housing 12 and / or the bottom of the spaced above it arranged container 19 with fan-like starting from the air outlet of the cover 25 Air guiding ribs are provided, which serve to prevent the outlet 27 from the nozzle-sar distribute outgoing air flow evenly over the entire surface of the floor.
- the fan can be provided 21 not in a corner area. but to arrange in the middle of the step-like projection 23, or use a cross-flow fan instead of the axial flow fan.
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)
Description
- Fig. 1
- einen Haushalts-Kühlschrank mit einem oben indessen Gehäuse angeordneten Normalkühlfach und einem darunter, durch Luftumwälzung mit einem Lüfter zwangsbelüftenden Null-Grad-Fach in raumbildlicher Darstellung bei geöffneter Tür,
- Fig. 2
- schematisch den Haushalts-Kühlschrank mit geschlossener Tür von der Seite gesehen im Schnitt,
- Fig. 3
- in einem vergrößerten Ausschnitt einen senkrechten Schnitt durch das Null-Grad-Fach im Bereich des Lüfters in Ansicht von der Seite,
- Fig. 4
- ein Horizontalschnitt durch das Gehäuse, oberhalb dem unter der Abdeckung angeordneten Lüfter und dem daran anschließenden, stufenartigen Vorsprung im unteren Rückwandbereich des Gehäuses,
- Fig. 5
- ein Koordinatensystem, in dem der Einfluß desLüfters auf die Abtaugeschwindigkeit des Verdampfers dargestellt ist.
Claims (5)
- Haushaltskühlgerät (10) mit zumindest einem durch eine Tür (11) verschließbaren Kühlraum (16), in dem Kühlgutbehälter (17, 18, 19), ein Verdampfer (21) und ein diesen zeitweise mit Raumluft beaufschlagender Lüfter (22) vorgesehen sind, welcher im natürlichen, durch die Kälteleistung des Verdampfers (21) hervorgerufenen Konvektionsstrom angeordnet ist, dadurch gekennzeichnet, daß der Lüfter (22) die Kühlluft sowohl im Kühlbetrieb als auch im Abtaubetrieb zwangsweise umwälzt, wobei die Kühlluft durch die Anordnung und Ausbildung der Kühlgutbehälter (17, 18, 19) und des Lüfters (22) in den Bereich der Kühlraumwandungen und entlang der Tür (11) über deren gesamte Höhe und Breite geleitet ist.
- Kühlgerät nach Anspruch 1, dadurch gekennzeichnet, daß der Lüfter (22) unterhalb des Verdampfers (21) so zu diesem angeordnet ist. daß der Verdampfer (21) im saugseitigen Luftstrom des Lüfters (22) liegt.
- Kühlgerät nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Lüfter (22) als Axiallüfter ausgebildet ist.
- Kühlgerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Lüfter (22) ausblasseitig mit einer dessen Ausblasluft über die Breite des Kühlfaches (16) führenden Abdeckungen (25) versehen ist, die mit den Kühlgutbehältern (17, 18, 19) derart zusammenwirkt, daß die Ausblasluft über den türseitigen Bereich hinweg dem Verdampfer (21) zugeführt wird.
- Kühlgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Luft im Fach tieferer Temperatur (16) durch natürlichen Wärmeeinfall in das Fach erwärmt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4141470A DE4141470C2 (de) | 1991-12-16 | 1991-12-16 | Kühlgerät |
DE4141470 | 1991-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0547311A1 EP0547311A1 (de) | 1993-06-23 |
EP0547311B1 true EP0547311B1 (de) | 1998-01-07 |
Family
ID=6447184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92117022A Expired - Lifetime EP0547311B1 (de) | 1991-12-16 | 1992-10-06 | Haushaltskühlgerät |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0547311B1 (de) |
DE (2) | DE4141470C2 (de) |
ES (1) | ES2113908T3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4432439A1 (de) * | 1994-09-12 | 1996-03-14 | Bauknecht Hausgeraete | Kühlschrank mit Null-Grad-Fach |
IT251752Y1 (it) * | 2000-10-10 | 2004-01-20 | Electrolux Professional Spa | Armadio frigorifero con cella interna |
CN100337079C (zh) * | 2003-03-12 | 2007-09-12 | 乐金电子(天津)电器有限公司 | 电冰箱的轴流风扇 |
US7185507B2 (en) * | 2004-10-26 | 2007-03-06 | Whirlpool Corporation | Ice making and dispensing system |
DE102005020937B4 (de) * | 2005-05-03 | 2008-06-19 | Cool Mountain Collection Ag | Tragbarer Temperierbehälter |
DE102009006772A1 (de) * | 2009-01-30 | 2010-08-05 | Blanco Cs Gmbh + Co Kg | Temperaturkonditioniervorrichtung für einen Speisentransportbehälter |
KR102417751B1 (ko) * | 2015-11-12 | 2022-07-07 | 삼성전자주식회사 | 냉장고 |
CN113539629B (zh) * | 2021-07-19 | 2023-07-25 | 远景能源有限公司 | 一种半开放式大功率设备冷却系统及冷却方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2532816A (en) * | 1949-11-16 | 1950-12-05 | Gen Electric | Air circulating arrangement for refrigerators |
GB867292A (en) * | 1958-11-25 | 1961-05-03 | Whirlpool Co | Improvements in or relating to refrigerators |
US3119240A (en) * | 1962-06-19 | 1964-01-28 | Philco Corp | Refrigeration apparatus with defrost means |
DE1276664B (de) * | 1962-08-16 | 1968-09-05 | Siemens Elektrogeraete Gmbh | Kuehltruhe mit einem Kaelteerzeuger, der durch Luftumlaufleitungen mit dem Kuehlraum verbunden ist |
FR2100982B1 (de) * | 1970-06-26 | 1974-03-01 | Roberti Henri | |
US4457139A (en) * | 1980-02-01 | 1984-07-03 | Tyler Refrigeration Corporation | Refrigerated display case having ambient air defrost |
DE3926250A1 (de) * | 1989-08-09 | 1991-02-14 | Juergen Mertens | Kuehl- und gefrierschrank |
-
1991
- 1991-12-16 DE DE4141470A patent/DE4141470C2/de not_active Expired - Fee Related
-
1992
- 1992-10-06 EP EP92117022A patent/EP0547311B1/de not_active Expired - Lifetime
- 1992-10-06 ES ES92117022T patent/ES2113908T3/es not_active Expired - Lifetime
- 1992-10-06 DE DE59209110T patent/DE59209110D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59209110D1 (de) | 1998-02-12 |
DE4141470C2 (de) | 1997-10-09 |
DE4141470A1 (de) | 1993-06-17 |
ES2113908T3 (es) | 1998-05-16 |
EP0547311A1 (de) | 1993-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2806242C2 (de) | Kühl- oder Gefriertruhe | |
DE1401509A1 (de) | Kuehlanlage | |
DE3913942A1 (de) | Kuehltruhe | |
CH497880A (de) | Kühlanlage | |
DE69001559T2 (de) | Einbauhaushaltskühlschrank. | |
DE3002778A1 (de) | Kuehltheke und verfahren zu deren betrieb | |
EP0547311B1 (de) | Haushaltskühlgerät | |
DE102016115604B4 (de) | Kühltheke | |
DE2942491C3 (de) | Kühltruhe | |
DE2804008A1 (de) | Verfahren und einrichtung zum abtauen der kuehlelemente in einer gewerblichen kuehl- oder gefriertruhe | |
DE602004012695T2 (de) | Kühlereinheit | |
DE2505390A1 (de) | Gekuehlte backwarentheke | |
DE602004012694T2 (de) | Kühlereinheit | |
DE4319237A1 (de) | (Tief)kühlmöbel | |
DE2840483A1 (de) | Ein ausstellungsgefrierschrank | |
DE102016224389A1 (de) | No-Frost-Haushaltskältegerät mit zur Rückwand dichtender Trennplatte | |
DE19548377C2 (de) | Kühltheke | |
DE2540037C2 (de) | Kühlschrank mit zwei Kühlabteilen | |
EP1845322B1 (de) | Kühl- und/oder Gefriergerät | |
DE3116565A1 (de) | Gekuehlter schaustellungsschrank mit glastueren | |
DE1551282A1 (de) | Kuehlgeraet mit Luftkreislauf | |
EP1242775A1 (de) | Kältegerät wie no-frost-kühl- oder gefrierschrank | |
DE10063691B4 (de) | Kühlgerät | |
DE19528826A1 (de) | Kühl- und/oder Gefriergerät | |
DE2523929A1 (de) | Tiefkuehlgeraet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FR GB IT |
|
17P | Request for examination filed |
Effective date: 19931220 |
|
17Q | First examination report despatched |
Effective date: 19941007 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB IT |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19980107 |
|
REF | Corresponds to: |
Ref document number: 59209110 Country of ref document: DE Date of ref document: 19980212 |
|
ET | Fr: translation filed | ||
ITF | It: translation for a ep patent filed | ||
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2113908 Country of ref document: ES Kind code of ref document: T3 |
|
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: BSH BOSCH UND SIEMENS HAUSGERAETE GMBH |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20101031 Year of fee payment: 19 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20101021 Year of fee payment: 19 Ref country code: IT Payment date: 20101023 Year of fee payment: 19 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20111103 Year of fee payment: 20 Ref country code: ES Payment date: 20111024 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59209110 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59209110 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20121005 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20121005 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20130715 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20121007 |