US20160069606A1 - Refrigerator with two storage chambers - Google Patents
Refrigerator with two storage chambers Download PDFInfo
- Publication number
- US20160069606A1 US20160069606A1 US14/784,091 US201414784091A US2016069606A1 US 20160069606 A1 US20160069606 A1 US 20160069606A1 US 201414784091 A US201414784091 A US 201414784091A US 2016069606 A1 US2016069606 A1 US 2016069606A1
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- United States
- Prior art keywords
- storage chamber
- door
- refrigerator according
- upper storage
- refrigerator
- 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.)
- Abandoned
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Classifications
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- 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
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- 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
- F25D23/06—Walls
- F25D23/069—Cooling space dividing partitions
-
- 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
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- 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
- F25D23/02—Doors; Covers
- F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
-
- 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
- F25D23/06—Walls
- F25D23/061—Walls with conduit means
-
- 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
- F25D23/06—Walls
- F25D23/065—Details
- F25D23/068—Arrangements for circulating fluids through the insulating material
-
- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/028—Cooled supporting means
-
- 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
- F25D2201/10—Insulation with respect to heat
-
- 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
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- 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
Definitions
- the present invention relates to a refrigerator, in particular a household refrigerator, having two storage chambers which are cooled by having a cold air flow flush through the two chambers successively. Because the air is warmed as it passes through the storage chambers, the upstream storage chamber is always colder than the downstream storage chamber.
- a series connection enables a simple and cost-effective implementation of a refrigerator having storage chambers, the temperature of which can be individually controlled.
- the temperature distribution within a storage chamber should be as homogeneous as possible. This objective is however not readily achievable. If the cold storage chamber is situated above the warm storage chamber and permits a transfer of air for example through a gap between a common door of the two storage chambers and a horizontal divider extending between the storage chambers in the body, then it is specifically the coldest air which collects at the base of the cold storage chamber and flows away from there to the warmer storage chamber, which means that the temperature difference between the chambers is rather small.
- the inflowing cold air also has a tendency to collect at the base, which means that the air exchange rate is low in each case in the upper region in both compartments, in particular in the vicinity of the rear wall, which means that considerably higher temperatures than at base level can arise there.
- the warmer storage chamber is located uppermost, relatively warm air can then flow from the cold lower storage chamber through a gap between door and divider into the upper storage chamber. This promotes both an adequate temperature difference between the storage chambers and also a uniform circulation in the lower storage chamber.
- a problem results in the upper storage chamber however due to the fact that door trays mounted on the door normally deflect the air rising between door and divider toward the rear wall of the storage chamber. This can have the consequence that, if the upper storage chamber is subdivided by shelves into a plurality of compartments, only the lowermost compartment is flushed throughout its entire depth by the air deflected at the door tray, but the compartments situated above the lowermost compartment are no longer thus flushed.
- the object of the invention is therefore to specify a refrigerator having an upper and a lower storage chamber, in which a sufficiently homogeneous temperature distribution or a uniform circulation with cold air can be achieved in the upper storage chamber in a simple manner.
- the object is achieved in that in the case of a refrigerator, in particular in the case of a household refrigerator comprising a body and a door which enclose an upper and a lower storage chamber, wherein an air passage between the storage chambers has an inlet in the lower storage chamber and an outlet into a lower region of the upper storage chamber and an air outlet in the upper storage chamber is provided in an upper region thereof, the air passage extends in the door and bypasses at least one door tray which is mounted on the door and which encroaches into the upper storage chamber. Said air passage makes it possible to avoid a deflection at the underside of the door tray of the air penetrating into the upper storage chamber, thereby enabling a significant proportion of said air flow to ascend in the upper storage chamber in the vicinity of the door.
- the upper and lower regions of the upper storage chamber are preferably separated from one another by at least one support for a shelf.
- a support facility can be formed in the conventional manner on side walls of the body.
- a shelf is arranged between upper and lower regions of the upper storage chamber, then said shelf should be spaced away both from the door in the closed position and also from a rear wall of the body by means of a gap in each case.
- the shelf deflects a portion of the air flow into a compartment of the upper storage chamber lying beneath said shelf. Said separated portion flushes the compartment throughout its entire depth and finally ascends through the gap between shelf and rear wall toward the air outlet in the upper storage chamber.
- the portion of the air flow which ascends between the front edge of the shelf and the door can be subdivided again at a second shelf in order to flush a compartment located between the shelves, or it is deflected at a ceiling of the upper storage chamber toward the outlet.
- the air outlet in the upper storage chamber is advantageously situated in a corner formed by ceiling and rear wall of the upper storage chamber.
- the width thereof should amount to at least half the width, preferably at least three-quarters of the width of said door tray.
- the door can in the customary manner comprise a thermal insulation layer and an internal wall extending between the thermal insulation layer and the storage chambers.
- the internal wall can then expediently have an opening through which the air passage passes.
- a wall of the door tray can also delimit the through-passage. It is however preferred that the opening is partially covered by a wall panel.
- Such a wall panel can be hung on lugs on the internal wall in similar fashion to the door tray.
- the wall panel can be formed such that it and a divider of the body extending between the storage chambers delimit a gap when the door is closed, the cross section of which gap is smaller than that of the air passage.
- the wall panel can to this end comprise an apron sloping downward onto the divider.
- the apron preferably extends over the entire width of the divider.
- an inlet duct in a rear wall of the body can run downward to an evaporation chamber.
- Such an evaporation chamber can be arranged in particular at the level of the lower storage chamber.
- the lower storage chamber in question is preferably a fresh food compartment and the upper storage chamber in question a normal refrigeration compartment.
- FIG. 1 shows a schematic section through a refrigerator according to the invention
- FIG. 2 shows a perspective view of an internal wall of the door of the refrigerator
- FIG. 3 shows a perspective view of a wall panel
- FIG. 4 shows the internal wall from FIG. 2 with the wall panel mounted thereon.
- FIG. 1 shows a schematic sectional view of a NoFrost refrigerator in accordance with an embodiment of the present invention.
- the refrigerator comprises a body 1 and a door 2 butting against the body which delimit an interior space.
- a horizontal divider 3 divides the interior space into an upper storage chamber 4 acting as a normal refrigeration compartment and a lower part which for its part is divided by a vertical divider 5 into a lower storage chamber 6 between the door 2 and the divider 5 and an evaporation chamber 7 between the divider 5 and a rear wall 8 of the body.
- a fan 10 is arranged at a through-passage 9 in the divider 5 in order to draw air through an evaporator 11 housed in the evaporation chamber 7 and to blow the air thus cooled into the lower storage chamber 6 .
- An air passage 12 which leads to the upper storage chamber 4 is formed at a front upper corner of the lower storage chamber 6 .
- the upper storage chamber 4 in turn has an air outlet 13 adjacent to a corner formed by the rear wall 8 and ceiling 14 of the body 1 .
- An inlet duct 15 extends downward at the rear wall 8 from said air outlet 13 , back to the evaporation chamber 7 .
- the inlet duct 15 can, as indicated in the figure, be formed by a flat groove recessed into the rear wall 8 and a wall panel 16 covering the groove.
- supports 17 are formed at different heights on the side walls of the upper storage chamber 4 , some of which supports 17 carry a shelf 18 .
- a gap 19 is kept free in each case between the rear edges of the shelves 18 and the rear wall 8 or the wall panel 16 .
- the front edges of the shelves 18 are separated by a gap 23 from a vertical plane which runs through side walls 20 facing the rear wall 8 of door trays 21 , 22 .
- the door 2 is constructed in the customary manner from a fixed external wall 24 , formed for example from sheet metal, an internal wall 25 deep-drawn from flat plastic material and a thermal insulation layer 26 filling the space between external wall and internal wall.
- FIG. 2 shows a perspective view of the internal wall 25 .
- a flat protrusion 27 is formed, the width and height of which essentially correspond to those of the lower storage chamber 6 , and which encroaches into the storage chamber 6 when the door 2 is closed.
- a flat recess 28 Connected to the top of the protrusion 27 is a flat recess 28 which, bridging the divider 3 , extends partially at the level of the lower storage chamber 6 , partially at the level of the upper storage chamber 4 .
- the recess 28 In its part encroaching into the upper storage chamber 4 the recess 28 is flanked by pillars 29 which essentially extend over the entire height of the upper storage chamber 4 and in the customary manner have lugs 30 on their sides facing one another which are provided in order to hang the door trays 21 , 22 thereon.
- the lowermost pair of said lugs 30 is located at the level of the recess 28 .
- the width of the recess 28 is slightly less than the spacing between the sides facing one another of the pillars 29 , which means that between said sides and side walls 31 on both sides of the recess 28 a narrow non-recessed strip 32 of the wall surface remains which serves to support a door-side side wall of the door tray 21 hung on the lowermost pair of lugs 30 (see FIG. 1 ).
- Further lugs 33 are formed on the two side walls 31 of the recess 28 .
- Said latter lugs 33 serve to anchor a wall panel 34 shown in a perspective view in FIG. 3 .
- the wall panel 34 comprises a central plane surface 35 , from the rear side of which two brackets 36 protrude at the lateral edges thereof. Only one of said brackets 36 is visible in FIG. 3 .
- the brackets 36 are provided with slots 37 complementary to the lugs 33 which enable the wall panel 34 to be hooked into the recess 28 such that the wall panel 34 delimits the air passage 12 toward the body 1 and the plane surface 35 is flush with the strips 32 of the internal wall 25 which are laterally adjacent to the recess 28 .
- FIG. 4 shows the internal wall 25 of the door 2 with the wall panel 34 hooked into the recess 28 .
- An inlet 38 of the air passage 12 is delimited upward by an apron 40 which extends sloping downward from the lower edge of the plane surface 35 into the interior of the body 1 and when the door 2 is closed, as shown in FIG. 1 , ends at a short distance from the front edge of the divider 3 .
- the apron 40 is wider than the plane surface 35 and reaches out sideways from the recess 28 onto the lateral strips 32 .
- An upper edge of the apron 40 abuts against the strips 32 ; when the door 2 is closed a lower edge of the apron 40 together with the front edge of the divider 3 delimits a gap 41 (see FIG. 1 ), the cross-sectional area of which is however considerably less than that of the recess 28 , which means that the cold air which flows over from the lower storage chamber 6 into the upper storage chamber 4 when the fan 10 is running mainly takes the route through the air passage 12 .
- the free cross section of the gap 41 could also disappear, in particular if the apron 40 is elastic and can be deformed sufficiently easily in contact with the divider 3 in order not to impede the closure of the door 2 .
- a non-disappearing cross section of the gap 41 is definitely desirable in order to allow a portion of the air flowing into the upper storage chamber 4 to enter through the gap 41 and to thrust from beneath against the door tray 21 and thereby to deflect said air essentially horizontally in the direction of the rear wall 8 . Said air thus flushes through a lowermost compartment 42 of the upper storage chamber 4 , delimited by the divider 3 and the lowermost shelf 18 , as far as the rear wall 8 in order to then ascend at said rear wall 8 through the gaps 19 up to the air outlet 13 .
- the outlet 39 is distanced sufficiently far from the next higher door tray 22 to avoid a horizontal deflection of the air entering through said outlet 39 at the underside of said door tray 22 .
- the air flow entering the upper storage chamber 4 by way of the outlet 39 here flows against a front edge of the second lowermost shelf 18 and divides at said shelf 18 into a branch which flushes the second lowermost compartment 43 in order to subsequently ascend along the rear wall 8 to the air outlet 13 , and a branch which ascends through the gap 23 at the front edge of said shelf 18 in order to flush the compartments 44 situated above from front to back in each case.
- the cold air inflowing from the lower storage chamber 6 is thereby distributed largely uniformly to all the compartments 42 , 43 , 44 of the upper storage chamber 4 and, apart from the interior of a butter compartment 45 , there are no major regions in the upper storage chamber 4 which are so severely cut off from the air circulation that they could reach a significantly higher temperature than that of the compartments 42 , 43 , 44 being flushed through.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Description
- The present invention relates to a refrigerator, in particular a household refrigerator, having two storage chambers which are cooled by having a cold air flow flush through the two chambers successively. Because the air is warmed as it passes through the storage chambers, the upstream storage chamber is always colder than the downstream storage chamber. Such a series connection enables a simple and cost-effective implementation of a refrigerator having storage chambers, the temperature of which can be individually controlled.
- While a temperature difference of several degrees between the two storage chambers of such a refrigerator is definitely desirable, the temperature distribution within a storage chamber should be as homogeneous as possible. This objective is however not readily achievable. If the cold storage chamber is situated above the warm storage chamber and permits a transfer of air for example through a gap between a common door of the two storage chambers and a horizontal divider extending between the storage chambers in the body, then it is specifically the coldest air which collects at the base of the cold storage chamber and flows away from there to the warmer storage chamber, which means that the temperature difference between the chambers is rather small. Also in the lower compartment the inflowing cold air also has a tendency to collect at the base, which means that the air exchange rate is low in each case in the upper region in both compartments, in particular in the vicinity of the rear wall, which means that considerably higher temperatures than at base level can arise there.
- If the warmer storage chamber is located uppermost, relatively warm air can then flow from the cold lower storage chamber through a gap between door and divider into the upper storage chamber. This promotes both an adequate temperature difference between the storage chambers and also a uniform circulation in the lower storage chamber. A problem results in the upper storage chamber however due to the fact that door trays mounted on the door normally deflect the air rising between door and divider toward the rear wall of the storage chamber. This can have the consequence that, if the upper storage chamber is subdivided by shelves into a plurality of compartments, only the lowermost compartment is flushed throughout its entire depth by the air deflected at the door tray, but the compartments situated above the lowermost compartment are no longer thus flushed.
- The object of the invention is therefore to specify a refrigerator having an upper and a lower storage chamber, in which a sufficiently homogeneous temperature distribution or a uniform circulation with cold air can be achieved in the upper storage chamber in a simple manner.
- The object is achieved in that in the case of a refrigerator, in particular in the case of a household refrigerator comprising a body and a door which enclose an upper and a lower storage chamber, wherein an air passage between the storage chambers has an inlet in the lower storage chamber and an outlet into a lower region of the upper storage chamber and an air outlet in the upper storage chamber is provided in an upper region thereof, the air passage extends in the door and bypasses at least one door tray which is mounted on the door and which encroaches into the upper storage chamber. Said air passage makes it possible to avoid a deflection at the underside of the door tray of the air penetrating into the upper storage chamber, thereby enabling a significant proportion of said air flow to ascend in the upper storage chamber in the vicinity of the door.
- The upper and lower regions of the upper storage chamber are preferably separated from one another by at least one support for a shelf. Such a support facility can be formed in the conventional manner on side walls of the body.
- If a shelf is arranged between upper and lower regions of the upper storage chamber, then said shelf should be spaced away both from the door in the closed position and also from a rear wall of the body by means of a gap in each case. As the front edge of such a shelf encroaches into the air flow ascending at the door of the upper storage chamber, the shelf deflects a portion of the air flow into a compartment of the upper storage chamber lying beneath said shelf. Said separated portion flushes the compartment throughout its entire depth and finally ascends through the gap between shelf and rear wall toward the air outlet in the upper storage chamber. The portion of the air flow which ascends between the front edge of the shelf and the door can be subdivided again at a second shelf in order to flush a compartment located between the shelves, or it is deflected at a ceiling of the upper storage chamber toward the outlet.
- The air outlet in the upper storage chamber is advantageously situated in a corner formed by ceiling and rear wall of the upper storage chamber.
- In order to ensure a uniform distribution of the air flow across the width of the upper storage chamber it is desirable to also make the through-passage wide. The width thereof should amount to at least half the width, preferably at least three-quarters of the width of said door tray.
- The door can in the customary manner comprise a thermal insulation layer and an internal wall extending between the thermal insulation layer and the storage chambers. The internal wall can then expediently have an opening through which the air passage passes.
- In the simplest case, a wall of the door tray can also delimit the through-passage. It is however preferred that the opening is partially covered by a wall panel.
- Such a wall panel can be hung on lugs on the internal wall in similar fashion to the door tray.
- The wall panel can be formed such that it and a divider of the body extending between the storage chambers delimit a gap when the door is closed, the cross section of which gap is smaller than that of the air passage. Thus, with the aid of the divider, it is possible to force air flowing over from the lower to the upper storage chamber to at least mainly pass through the air passage.
- In particular, the wall panel can to this end comprise an apron sloping downward onto the divider.
- In order to minimize the cross section of the gap, the apron preferably extends over the entire width of the divider.
- From the air outlet in the upper storage chamber, an inlet duct in a rear wall of the body can run downward to an evaporation chamber.
- Such an evaporation chamber can be arranged in particular at the level of the lower storage chamber.
- The lower storage chamber in question is preferably a fresh food compartment and the upper storage chamber in question a normal refrigeration compartment.
- Further features and advantages of the invention will emerge from the description which follows of exemplary embodiments with reference to the accompanying figures. In the drawings:
-
FIG. 1 shows a schematic section through a refrigerator according to the invention; -
FIG. 2 shows a perspective view of an internal wall of the door of the refrigerator; -
FIG. 3 shows a perspective view of a wall panel; -
FIG. 4 shows the internal wall fromFIG. 2 with the wall panel mounted thereon. -
FIG. 1 shows a schematic sectional view of a NoFrost refrigerator in accordance with an embodiment of the present invention. In the customary manner the refrigerator comprises abody 1 and adoor 2 butting against the body which delimit an interior space. Ahorizontal divider 3 divides the interior space into an upper storage chamber 4 acting as a normal refrigeration compartment and a lower part which for its part is divided by avertical divider 5 into alower storage chamber 6 between thedoor 2 and thedivider 5 and anevaporation chamber 7 between thedivider 5 and arear wall 8 of the body. - A
fan 10 is arranged at a through-passage 9 in thedivider 5 in order to draw air through anevaporator 11 housed in theevaporation chamber 7 and to blow the air thus cooled into thelower storage chamber 6. - An
air passage 12 which leads to the upper storage chamber 4 is formed at a front upper corner of thelower storage chamber 6. The upper storage chamber 4 in turn has anair outlet 13 adjacent to a corner formed by therear wall 8 andceiling 14 of thebody 1. Aninlet duct 15 extends downward at therear wall 8 from saidair outlet 13, back to theevaporation chamber 7. Theinlet duct 15 can, as indicated in the figure, be formed by a flat groove recessed into therear wall 8 and a wall panel 16 covering the groove. - In the customary manner,
supports 17 are formed at different heights on the side walls of the upper storage chamber 4, some of which supports 17 carry ashelf 18. Agap 19 is kept free in each case between the rear edges of theshelves 18 and therear wall 8 or the wall panel 16. In corresponding fashion, the front edges of theshelves 18 are separated by agap 23 from a vertical plane which runs throughside walls 20 facing therear wall 8 ofdoor trays - The
door 2 is constructed in the customary manner from a fixedexternal wall 24, formed for example from sheet metal, aninternal wall 25 deep-drawn from flat plastic material and athermal insulation layer 26 filling the space between external wall and internal wall. -
FIG. 2 shows a perspective view of theinternal wall 25. In a lower region of the internal wall 25 aflat protrusion 27 is formed, the width and height of which essentially correspond to those of thelower storage chamber 6, and which encroaches into thestorage chamber 6 when thedoor 2 is closed. Connected to the top of theprotrusion 27 is aflat recess 28 which, bridging thedivider 3, extends partially at the level of thelower storage chamber 6, partially at the level of the upper storage chamber 4. In its part encroaching into the upper storage chamber 4 therecess 28 is flanked bypillars 29 which essentially extend over the entire height of the upper storage chamber 4 and in the customary manner havelugs 30 on their sides facing one another which are provided in order to hang thedoor trays - The lowermost pair of said
lugs 30 is located at the level of therecess 28. The width of therecess 28 is slightly less than the spacing between the sides facing one another of thepillars 29, which means that between said sides andside walls 31 on both sides of the recess 28 a narrownon-recessed strip 32 of the wall surface remains which serves to support a door-side side wall of thedoor tray 21 hung on the lowermost pair of lugs 30 (seeFIG. 1 ).Further lugs 33 are formed on the twoside walls 31 of therecess 28. - Said
latter lugs 33 serve to anchor awall panel 34 shown in a perspective view inFIG. 3 . Thewall panel 34 comprises acentral plane surface 35, from the rear side of which twobrackets 36 protrude at the lateral edges thereof. Only one of saidbrackets 36 is visible inFIG. 3 . Thebrackets 36 are provided withslots 37 complementary to thelugs 33 which enable thewall panel 34 to be hooked into therecess 28 such that thewall panel 34 delimits theair passage 12 toward thebody 1 and theplane surface 35 is flush with thestrips 32 of theinternal wall 25 which are laterally adjacent to therecess 28. -
FIG. 4 shows theinternal wall 25 of thedoor 2 with thewall panel 34 hooked into therecess 28. Aninlet 38 of theair passage 12 is delimited upward by anapron 40 which extends sloping downward from the lower edge of theplane surface 35 into the interior of thebody 1 and when thedoor 2 is closed, as shown inFIG. 1 , ends at a short distance from the front edge of thedivider 3. Theapron 40 is wider than theplane surface 35 and reaches out sideways from therecess 28 onto the lateral strips 32. An upper edge of theapron 40 abuts against thestrips 32; when thedoor 2 is closed a lower edge of theapron 40 together with the front edge of thedivider 3 delimits a gap 41 (seeFIG. 1 ), the cross-sectional area of which is however considerably less than that of therecess 28, which means that the cold air which flows over from thelower storage chamber 6 into the upper storage chamber 4 when thefan 10 is running mainly takes the route through theair passage 12. - The free cross section of the
gap 41 could also disappear, in particular if theapron 40 is elastic and can be deformed sufficiently easily in contact with thedivider 3 in order not to impede the closure of thedoor 2. - In the case considered here, a non-disappearing cross section of the
gap 41 is definitely desirable in order to allow a portion of the air flowing into the upper storage chamber 4 to enter through thegap 41 and to thrust from beneath against thedoor tray 21 and thereby to deflect said air essentially horizontally in the direction of therear wall 8. Said air thus flushes through alowermost compartment 42 of the upper storage chamber 4, delimited by thedivider 3 and thelowermost shelf 18, as far as therear wall 8 in order to then ascend at saidrear wall 8 through thegaps 19 up to theair outlet 13. - The major portion of the air flowing into the upper storage chamber 4 flows through the
air passage 12 and at theoutlet 39 thereof above thedoor tray 21 and essentially also above thecompartment 42 enters the upper storage chamber 4. Theoutlet 39 is distanced sufficiently far from the nexthigher door tray 22 to avoid a horizontal deflection of the air entering through saidoutlet 39 at the underside of saiddoor tray 22. The air flow entering the upper storage chamber 4 by way of theoutlet 39 here flows against a front edge of the secondlowermost shelf 18 and divides at saidshelf 18 into a branch which flushes the secondlowermost compartment 43 in order to subsequently ascend along therear wall 8 to theair outlet 13, and a branch which ascends through thegap 23 at the front edge of saidshelf 18 in order to flush thecompartments 44 situated above from front to back in each case. The cold air inflowing from thelower storage chamber 6 is thereby distributed largely uniformly to all thecompartments butter compartment 45, there are no major regions in the upper storage chamber 4 which are so severely cut off from the air circulation that they could reach a significantly higher temperature than that of thecompartments
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013206502.7 | 2013-04-12 | ||
DE102013206502.7A DE102013206502A1 (en) | 2013-04-12 | 2013-04-12 | Refrigerating appliance with two storage chambers |
PCT/EP2014/056935 WO2014166871A1 (en) | 2013-04-12 | 2014-04-07 | Refrigerator with two storage chambers |
Publications (1)
Publication Number | Publication Date |
---|---|
US20160069606A1 true US20160069606A1 (en) | 2016-03-10 |
Family
ID=50442514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/784,091 Abandoned US20160069606A1 (en) | 2013-04-12 | 2014-04-07 | Refrigerator with two storage chambers |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160069606A1 (en) |
EP (1) | EP2984426B1 (en) |
CN (1) | CN105102912B (en) |
DE (1) | DE102013206502A1 (en) |
PL (1) | PL2984426T3 (en) |
WO (1) | WO2014166871A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150366342A1 (en) * | 2014-06-20 | 2015-12-24 | Kohler Co. | Bathing area accessories |
US20200000229A1 (en) * | 2018-06-28 | 2020-01-02 | Summit Product Development, LLC | Low Profile Cabinet Organizer |
US10955185B2 (en) | 2016-07-06 | 2021-03-23 | Electrolux Appliances Aktiebolag | Refrigeration apparatus and process for producing the same |
CN113932527A (en) * | 2020-07-14 | 2022-01-14 | 合肥美的电冰箱有限公司 | Refrigerating equipment |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022209900A1 (en) | 2022-09-20 | 2024-03-21 | BSH Hausgeräte GmbH | Refrigeration device |
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- 2014-04-07 US US14/784,091 patent/US20160069606A1/en not_active Abandoned
- 2014-04-07 EP EP14715902.4A patent/EP2984426B1/en active Active
- 2014-04-07 CN CN201480020837.0A patent/CN105102912B/en active Active
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CN113932527B (en) * | 2020-07-14 | 2022-11-29 | 合肥美的电冰箱有限公司 | Refrigerating equipment |
Also Published As
Publication number | Publication date |
---|---|
WO2014166871A1 (en) | 2014-10-16 |
EP2984426B1 (en) | 2020-06-10 |
DE102013206502A1 (en) | 2014-10-16 |
PL2984426T3 (en) | 2020-12-28 |
EP2984426A1 (en) | 2016-02-17 |
CN105102912B (en) | 2017-04-26 |
CN105102912A (en) | 2015-11-25 |
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