DE102012223827A1 - Refrigerating appliance with air duct - Google Patents

Refrigerating appliance with air duct

Info

Publication number
DE102012223827A1
DE102012223827A1 DE102012223827.1A DE102012223827A DE102012223827A1 DE 102012223827 A1 DE102012223827 A1 DE 102012223827A1 DE 102012223827 A DE102012223827 A DE 102012223827A DE 102012223827 A1 DE102012223827 A1 DE 102012223827A1
Authority
DE
Germany
Prior art keywords
refrigerating appliance
characterized
guide element
air
appliance according
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.)
Withdrawn
Application number
DE102012223827.1A
Other languages
German (de)
Inventor
Joachim Betz
Thomas Steck
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 Hausgaraete 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 Hausgaraete GmbH filed Critical BSH Bosch und Siemens Hausgaraete GmbH
Priority to DE102012223827.1A priority Critical patent/DE102012223827A1/en
Publication of DE102012223827A1 publication Critical patent/DE102012223827A1/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • F25D17/045Air flow control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D2317/00Details 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
    • F25D2317/06Details 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
    • F25D2317/062Details 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

Abstract

A refrigeration appliance, in particular a household refrigeration appliance, has two housing parts (1, 2) that can be moved relative to one another between an open and a closed position. An air duct (7) extends from one of the housing parts (1) via an intermediate gap (10) into the other housing part (2). An air duct element (14) delimiting the air duct (7) in the gap (10) is movably mounted on a first one (2) of the housing parts (1, 2).

Description

  • The present invention relates to a refrigeration device, in particular a domestic refrigerator, with an air duct extending over several parts of a housing of the refrigerator away.
  • Such an air duct can serve, in particular, to feed cold air from an evaporator chamber evenly distributed into a storage chamber of the refrigerating appliance in order to achieve a homogeneous temperature distribution in the storage chamber. While the evaporator chamber is conventionally housed in a body of the refrigeration device, it is expedient to guide the cold air to be fed into the storage chamber via an air duct running on an inner side of the door, since distribution openings arranged there are significantly less likely to be blocked by refrigerated goods a body-side air channel. However, there is the problem that a cold air duct, which extends from the body through the door, must bridge a gap between the body and door. Due to manufacturing tolerances of the parts assembled from the door and carcass, the width of such a gap may vary from one copy of a same refrigeration model to another, and also a lateral offset from openings of a body side and a door side portion of the air channel opposite each other on either side of the gap can not be ruled out. The air flow rate of the door-side channel portion may therefore be significantly smaller than that of the body side, wherein the difference between the air flow rates of the channel sections is formed by air flowing directly out of the gap, without the detour via the door-side channel section, into the storage chamber of the refrigerator. However, if their proportion fluctuates from one refrigeration device to another due to the manufacturing tolerances of the housing, and the temperature distribution in the storage chamber can not be kept uniform in all devices of a series uniformly. This in turn has the consequence that, if a predetermined storage temperature in the entire storage chamber must not be exceeded, parts of the storage chamber must be kept at a much lower temperature, which in turn requires a higher cooling capacity. In order to enable energy-saving operation of the refrigeration device, it is therefore necessary to be able to control the air circulation and in particular the extent of the air losses at a gap between two sections of an air duct accurately and reproducibly.
  • This object is achieved by a refrigeration device, in particular a household refrigerator, with two mutually movable between an open and a closed position housing parts and an air duct extending from one of the housing parts via an intermediate gap in the other housing part, a the Air duct in the gap limiting air guide element is movably mounted on a first of the housing parts. By limiting the air passage in the gap, the air guide element prevents air leakage through air branching into the gap; its mobility allows adaptation to a varying width of the gap due to manufacturing tolerances.
  • It is not necessary to completely suppress air losses at the gap, since the gap itself can already serve as an outflow opening for the distribution of cold air in the storage chamber. However, if air losses at the gap are to be minimized, it is preferred that the air guide element circumscribe the air duct.
  • The air guide element should touch the second housing part in the closed position.
  • According to a first preferred embodiment, a spring element can be provided which drives the air guide element away from the first housing part and which is tensioned in the closed position. Thus, when the housing parts are brought into the closed position, the air guide element with the second housing part before reaching the closed position in contact and is deflected in the closed position by the second housing part under deformation of the spring element.
  • According to a second preferred embodiment, the air guide element may be held in abutment by the attraction of a magnet on the second housing part in the closed position. This makes it possible to dispense with the above-described, the air guide element from the first housing part advancing spring element, and it can be avoided that in the open position of the housing parts, the air guide element occupies a conspicuous, projecting far from the first housing part position.
  • Rather, the air guide element can be acted upon by a restoring force in the direction of a retracted into the first housing part stop position. In extreme cases, the air guide element can thus be completely sunk in the open position in the first housing part and thus be barely perceptible to a viewer and protected from damage.
  • The restoring force may be a weight force, in particular the weight of the air guide element itself, or a spring force.
  • In order to prevent foreign bodies from entering the air channel in the open position, at least one closure element may be provided which, in the open position, blocks an opening of the air channel opening onto the gap and releases it in the closed position.
  • Of the air guide element and the second housing part preferably carries the one buffer, on which the other comes into abutment in the closed position of the housing. Thus, a disturbing impact noise between the air guide element and the second housing part can be avoided in the transition to the closed position.
  • Preferably, this buffer is formed as a seal which extends around an opening of the air guide member or the second housing part.
  • In order to ensure the mobility of the air guide element, it may be guided relative to the first housing part pivotable about an axis or linearly displaceable on the first housing part.
  • Further features and advantages of the invention will become apparent from the following description of embodiments with reference to the accompanying figures. From this description and the figures also show features of the embodiments, which are not mentioned in the claims. Such features may also occur in combinations other than those specifically disclosed herein. Therefore, the fact that several such features are mentioned in the same sentence or in a different type of textual context does not justify the conclusion that they can occur only in the specific combination disclosed; instead, it is generally to be assumed that it is also possible to omit or modify individual ones of several such features, provided this does not call into question the functionality of the invention. Show it:
  • 1 a schematic section through an inventive refrigerator;
  • 2 an enlarged detail of the refrigerator before reaching a closed position;
  • 3 the same detail in the closed position;
  • 4 a perspective view of an in 2 and 3 shown in section air guide element;
  • 5 one too 2 analog section according to a second embodiment of the invention;
  • 6 one too 3 analog section according to the second embodiment;
  • 7 one too 2 analog section according to a third embodiment;
  • 8th one too 3 analog section according to the third embodiment;
  • 9 a horizontal section through a door-side inlet portion of the air duct according to the third embodiment;
  • 10 one too 9 analog section according to a fourth embodiment of the invention;
  • 11 one too 2 analog section according to a fifth embodiment of the invention;
  • 12 one too 3 analog section according to the fifth embodiment;
  • 13 one too 2 analog section according to a sixth embodiment; and
  • 14 one too 3 analog section according to the sixth embodiment.
  • 1 shows a schematic cross section through a household refrigerator according to the present invention. A corpus 1 and a door 2 enclose a thermally insulated interior, which is divided into a storage chamber 3 and an evaporator chamber 4 , The evaporator chamber 4 contains an evaporator 5 There is also a fan 6 , the air between evaporator chamber 4 and storage chamber 3 circulates. One from the evaporator chamber 4 outgoing air duct 7 includes a body side section 8th which is here from the evaporator chamber 4 from under the ceiling of the carcass 1 along to an outflow opening 9 extending near a front edge of the ceiling. This discharge opening 9 lies, through one with the storage chamber 3 communicating gap 10 separated, an inflow opening 11 a door-side channel section 12 across from. This door-side channel section 12 extends to an inside of the door 2 downwards and with several over the height of the door 2 distributed outlets 13 provided by the evaporator chamber 4 resulting cold air evenly distributed vertically to the storage chamber 3 submit.
  • The interior surfaces of the body 1 and door 2 that the storage chamber 3 limit, are formed in a conventional manner of plastic sheet material with non-negligible manufacturing tolerances, in particular deep-drawn, so that both the width of the gap 10 as well as the alignment of the gap 10 opposite openings 9 . 11 can mutually fluctuate from one copy of the same model of refrigeration device to another.
  • Nevertheless, from one device to another fluctuating air losses at the gap 10 To avoid, according to a first embodiment of the invention according to the inflow opening 11 of the door-side channel section 12 an air guide element 14 mounted that in 2 and 3 each in a cross section and in 4 shown by itself in perspective view. The air guide element 14 here has a substantially rectangular frame with an upper bar 15 in an open position of the door 2 when the inflow opening 11 from the discharge opening 9 of the body side section 8th is far away, and as in 2 shown a top wall 16 of the door-side channel section 12 extended flush, and a lower bar 17 in the open position of the door 2 on an edge of a lower wall 18 of the canal section 12 rests. Two side cheeks 19 connect the strips 15 . 17 with each other and with one - from here by the side cheeks 19 protruding pins 20 defined - pivot axis.
  • In the lower bar 17 and / or the side cheeks 19 are, as in 2 indicated by dashed outlines, magnets 21 embedded. The discharge opening 9 is from a frame 22 made of ferromagnetic material. When closing the door 2 becomes the distance between the channel sections 8th . 12 small enough for the frame 22 within the reach of the magnets 21 comes. As a result, the air guide element pivots 14 in the in 3 shown position in which its lower bar 17 to the frame 22 strikes. So is the out of the outflow 9 exiting cold air the direct way through the gap 10 in the storage room 3 blocked. Only between the top bar 15 and the frame 22 remains a passage 23 open, but is the width of this passage 23 essentially by the shape of the air guide element 14 determined and depends only a little on the width of the gap 10 from. Therefore, the over this passage 23 amount of air discharged are dosed exactly as they are for a uniform temperature distribution in the storage chamber 3 is needed.
  • 5 shows you one 2 analog section according to a second embodiment of the invention. The air guide element 24 according to this second embodiment differs from the air guide element 14 of the 2 to 4 only by two elastically flexible fingers 25 from the side cheeks 19 project upwards and through two narrow, extending in the depth direction of the refrigerator column 26 the upper wall 16 from the door-side channel section 12 protrude. In the open position of the door 2 protrude the fingers 25 as in 5 shown free up. When closing the door 2 However, they bump against the ceiling 27 of the body 1 and are thereby deflected, so that the air guide element 24 the discharge opening 9 contrary swings. In the closed position of the door 2 , as in 6 shown also touches a lower bar 17 of the air guide element 24 a wall of the body side channel section 8th below its discharge opening 9 , where variations in the width of the gap 10 by a more or less strong elastic bending of the fingers 25 be compensated.
  • The 7 to 9 illustrate a third embodiment of the invention. In the inlet opening 11 of the door-side channel section 12 here is an air guide element 28 slidably received by substantially cuboidal shape. One in the door-side channel section 12 engaging back of the air guide element 28 is open and by up and down projecting webs 29 against falling out of the inlet opening 11 secured. A passage opening 30 at one of the discharge opening 9 of the body side channel section 8th facing end face 31 of the air guide element 28 is of an annular circumferential elastic seal 32 surround. When closing the door 2 First comes the seal 32 around the outflow opening 9 around in contact with the body side channel section 8th , where the compliance of the seal 32 prevents a noticeable audible closing noise. Subsequently, the air guide element 28 a little way into the door-side channel section 12 pushed back into it, the exact amount of displacement depending on the width of the gap 10 varied. As is the seal 32 around the opposite openings 9 . 30 extends, there is no practically relevant escape of air in the gap in this embodiment 10 ,
  • A spring element 33 is provided to reopen the door 2 the air guide element 28 back into the extended position of the stop 7 to urge. As a spring element 33 comes z. B. a coil spring into consideration, as in 7 indicated schematically, on an inner side of the end wall 31 and an abutment, not shown, in the interior of the door-side channel section 12 is supported and stressed on compression.
  • One in 9 from a horizontal section along the line IX-IX 8th illustrated variant, the spring element 33 a two-legged leaf spring extending from lateral flanks of the air guide element 24 from along the body side section 8th facing end wall 34 of the door-side channel section 12 extends and at the outer ends of the end wall 34 is anchored. Such a leaf spring may be integral with the air guide element 28 be molded from plastic. Since they are the same time Air conduit 28 Fixed transversely to its direction of displacement, this can in the inflow opening 11 be accommodated with generous tolerance, so no danger of tilting of the air duct 28 when there is a shift.
  • 10 shows a further embodiment of the invention with reference to one 9 analog horizontal section through the entrance area of the door-side channel section 12 , The air guide element 35 here has the same shape as in the case of 7 to 9 and is by a spring element 33 in the form of a sideways extending - in 10 in a relaxed configuration shown - leaf spring in one in the door-side channel section 12 sunk position.
  • In the closed position of the door 2 is the air guide element 35 by magnetic force, as with respect to 3 explained, from the inlet opening 11 pulled out and in contact with the door-side channel section 12 held. Magnets used for this purpose can, as with reference to 2 explained on the air guide element 35 be arranged with a ferromagnetic frame of the outlet opening 13 of the door-side channel section 12 cooperate; Of course, but also on the part of the body 1 arranged magnets with ferromagnetic material of the air guide element 35 cooperate; in particular, the spring element 33 itself made of ferromagnetic metal.
  • A not shown modification, the spring element 33 also completely missing; instead, the air guide element is in the inlet opening 11 not horizontally but on a door-side channel section 12 guided downhill path, leaving it open the door 2 driven by its own weight into a duct section in the doorway 12 sunken stop position slides and out of this when closing the door 2 is pulled out again by the action of the magnets.
  • 11 shows a development of related to 7 to 9 described embodiment. The door 2 is in this illustration as in 7 open, and the air guide element 28 is from the body side channel section 8th spaced. In the interior of the air guide element 28 is a flap 36 around an axis running transversely to the cutting plane 37 hinged suspended. In a side wall of the air guide element 24 is a narrow slot 38 recessed, and in extension of this slot 38 jumps a hook 39 from a wall, here the lower wall 18 , the door-side channel section 12 in its interior. A free end of the hook 39 is here closely adjacent to the back of the flap 36 so that when a foreign object passes through the through hole 30 the air guide element 28 is introduced and against the flap 36 pushes them through the hook 39 is prevented from retreating, and thus an introduction of the foreign body in the channel section 12 blocked.
  • If the air guide element 28 in contact with the body side channel section 8th is pushed back, as in 12 shown, the axle slides 37 the flap 36 over the hook 39 time. The flap 36 gets off the hook 39 to the front wall 31 deflected out and gives the passage to the door-side channel section 12 free, so that the air can circulate freely.
  • The 13 and 14 show a corresponding development for the air guide element 35 of the 10 , A flap 36 is here about an axis 37 not pivotable on the air guide element 35 but at the canal section 12 suspended. The flap 36 is similar to a butterfly flap hung, however, the axis runs 37 slightly off-center, leaving the flap 36 under its own weight the in 13 shown vertical position assumes.
  • In the in 13 shown in the canal section 12 sunk position of the air guide element 35 , with the door open 2 , is the flap 36 to its front wall 31 closely adjacent and therefore can from one into the through hole 30 introduced foreign body can not be pivoted without at the same time a part of the flap 36 against the front wall 31 encounters.
  • If, however, in the closed position of the door, the air guide element 35 from the door-side channel section 12 is disengaged and on the corpus side section 8th is present, is the flap 36 , as in 14 shown by interaction with a rib 40 of the air guide element 35 pivoted in a substantially horizontal position in which it releases the air flow.
  • LIST OF REFERENCE NUMBERS
  • 1
    corpus
    2
    door
    3
    storage chamber
    4
    evaporator chamber
    5
    Evaporator
    6
    fan
    7
    air duct
    8th
    Body side channel section
    9
    exhaust port
    10
    gap
    11
    inflow
    12
    door-side channel section
    13
    outlet opening
    14
    Air conduit
    15
    top bar
    16
    upper wall
    17
    lower bar
    18
    bottom wall
    19
    Sidewall
    20
    spigot
    21
    magnets
    22
    frame
    23
    passage
    24
    Air conduit
    25
    finger
    26
    gap
    27
    blanket
    28
    Air conduit
    29
    web
    30
    Through opening
    31
    End side / end wall
    32
    poetry
    33
    spring element
    34
    bulkhead
    35
    Air conduit
    36
    flap
    37
    axis
    38
    slot
    39
    hook
    40
    rib

Claims (13)

  1. Refrigerating appliance, in particular household refrigerating appliance, with two housing parts which can be moved relative to one another between an open and a closed position ( 1 . 2 ) and an air duct ( 7 ) extending from one of the housing parts ( 1 ) via an intermediate gap ( 10 ) in the other housing part ( 2 ), characterized in that an air duct ( 7 ) in the gap ( 10 ) limiting air guide element ( 14 . 24 . 28 . 35 ) at a first ( 2 ) of the housing parts ( 1 . 2 ) is movably mounted.
  2. Refrigerating appliance according to claim 1, characterized in that the air guiding element ( 28 . 35 ) the air duct ( 7 ) bordered all around.
  3. Refrigerating appliance according to claim 1 or 2, characterized in that the air guide element ( 14 . 24 . 28 . 35 ) in the closed position, the second housing part ( 1 ) touched.
  4. Refrigerating appliance according to one of the preceding claims, characterized in that the housing parts a body ( 1 ) and a door ( 2 ) are.
  5. Refrigerating appliance according to one of the preceding claims, characterized by a spring element ( 25 . 33 ), which the air guide element ( 24 . 28 ) from the first housing part ( 2 ) and is stretched in the closed position.
  6. Refrigerating appliance according to one of claims 1 to 4, characterized in that the air guide element ( 14 . 28 . 35 ) in the closed position by the attraction of a magnet ( 21 ) on the second housing part ( 1 ) is held in investment.
  7. Refrigerating appliance according to claim 6, characterized in that the air guiding element ( 14 . 24 . 35 ) by a restoring force in the direction of a in the first housing part ( 1 ) retracted stop position is acted upon.
  8. Refrigerating appliance according to claim 7, characterized in that the restoring force is a weight force or spring force.
  9. Refrigerating appliance according to one of the preceding claims, characterized by at least one closure element ( 36 ), which in the open position one on the gap ( 10 ) opening ( 11 ) of the air duct ( 7 ) locks and releases them in the closed position.
  10. Refrigerating appliance according to one of the preceding claims, characterized in that of air guide element ( 28 . 35 ) and second housing part ( 1 ) one bears a buffer against which the other comes into abutment in the closed position of the housing.
  11. Refrigerating appliance according to claim 10, characterized in that the buffer as a seal ( 32 ) formed around an opening ( 30 . 9 ) of the air guiding element ( 28 . 35 ) or the second housing part ( 1 ).
  12. Refrigerating appliance according to one of the preceding claims, characterized in that the air guiding element ( 14 . 24 ) relative to the first housing part ( 2 ) is pivotable about an axis.
  13. Refrigerating appliance according to one of claims 1 to 11, characterized in that the air guide element ( 28 . 35 ) on the first housing part ( 2 ) is guided linearly displaceable.
DE102012223827.1A 2012-12-19 2012-12-19 Refrigerating appliance with air duct Withdrawn DE102012223827A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102012223827.1A DE102012223827A1 (en) 2012-12-19 2012-12-19 Refrigerating appliance with air duct

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012223827.1A DE102012223827A1 (en) 2012-12-19 2012-12-19 Refrigerating appliance with air duct
PCT/EP2013/076891 WO2014095855A1 (en) 2012-12-19 2013-12-17 Refrigeration device having an air channel

Publications (1)

Publication Number Publication Date
DE102012223827A1 true DE102012223827A1 (en) 2014-06-26

Family

ID=49766111

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102012223827.1A Withdrawn DE102012223827A1 (en) 2012-12-19 2012-12-19 Refrigerating appliance with air duct

Country Status (2)

Country Link
DE (1) DE102012223827A1 (en)
WO (1) WO2014095855A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018132199A (en) * 2017-02-13 2018-08-23 サンデン・リテールシステム株式会社 On-vehicle cooling box

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB446942A (en) * 1935-08-09 1936-05-08 Jules Eugene Bernard Improvements in or relating to refrigerators
US2745259A (en) * 1955-02-14 1956-05-15 Gen Motors Corp Refrigerator with means to cool shelves adjacent an insulated freezing compartment
US3375679A (en) * 1967-02-09 1968-04-02 Ranncy Refrigerator Company Refrigerator-freezer construction
US4488412A (en) * 1983-11-14 1984-12-18 White Consolidated Industries, Inc. Adjustable air duct for a meat keeper
KR100220393B1 (en) * 1997-06-16 1999-09-15 구자홍 Cool air supply structure of a refrigerator
AU2003298498A1 (en) * 2002-12-31 2004-07-22 Arcelik A.S. Refrigerator
CN100340830C (en) * 2003-03-12 2007-10-03 乐金电子(天津)电器有限公司 Cool-air supplying structure of refrigerator
ITTO20070541A1 (en) * 2007-07-23 2009-01-24 Indesit Co Spa Device for the feeding of electrical cells, in particular for removable cells

Also Published As

Publication number Publication date
WO2014095855A1 (en) 2014-06-26

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Legal Events

Date Code Title Description
R081 Change of applicant/patentee

Owner name: BSH HAUSGERAETE GMBH, DE

Free format text: FORMER OWNER: BSH BOSCH UND SIEMENS HAUSGERAETE GMBH, 81739 MUENCHEN, DE

Effective date: 20150413

R005 Application deemed withdrawn due to failure to request examination