EP2159520B1 - Dispositif compresseur-bac d'évaporation - Google Patents

Dispositif compresseur-bac d'évaporation Download PDF

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Publication number
EP2159520B1
EP2159520B1 EP09167314.5A EP09167314A EP2159520B1 EP 2159520 B1 EP2159520 B1 EP 2159520B1 EP 09167314 A EP09167314 A EP 09167314A EP 2159520 B1 EP2159520 B1 EP 2159520B1
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EP
European Patent Office
Prior art keywords
evaporation tray
compressor
assembly according
housing
wall
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.)
Active
Application number
EP09167314.5A
Other languages
German (de)
English (en)
Other versions
EP2159520A2 (fr
EP2159520A3 (fr
Inventor
Detlef Cieslik
Judith Dorn
Berthold Pflomm
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 Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL09167314T priority Critical patent/PL2159520T3/pl
Publication of EP2159520A2 publication Critical patent/EP2159520A2/fr
Publication of EP2159520A3 publication Critical patent/EP2159520A3/fr
Application granted granted Critical
Publication of EP2159520B1 publication Critical patent/EP2159520B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141—Removal by evaporation
    • F25D2321/1411—Removal by evaporation using compressor heat

Definitions

  • the present invention relates to an arrangement of a compressor and an evaporation tray for use in a refrigerator.
  • Such an arrangement is conventionally used to evaporate water, which condenses on an evaporator in the interior of the refrigerator, with the aid of heat released from the compressor during operation loss heat.
  • good heat transfer from the compressor to the water in the evaporation tray is essential.
  • a strong bottom with not insignificant inherent rigidity requires a not insignificant water pressure in order to snugly fit snugly against the compressor housing; if the amount of water in the evaporation tray is small and the pressure is low, that is Heat transfer relatively inefficient. Although a very thin, soft floor can cling tightly to the compressor housing even at low water levels, it is more susceptible to leakage at an increased rate.
  • WO 2004/001306 A1 For example, an arrangement with a compressor and an evaporation tray is known in which the evaporation tray has holding claws which can be plugged onto a rib of the compressor to secure the evaporation tray to the compressor. So that when plugging the retaining claws can be bent outward, they must at least and the entire evaporation tray can be made of a flexible material.
  • the object of the present invention is to provide a compressor-evaporator shell arrangement which ensures intimate contact between the evaporation pan and compressor despite possibly variable dimensions of the compressor housing and achieves a high evaporation rate even at low water levels.
  • the object is achieved by a compressor-evaporation tray arrangement with the features of claim 1.
  • the voltage ensures intimate contact between the compressor part and the evaporation tray regardless of the water level in the latter.
  • the elastomeric material allows the bottom to conform to different shapes of the compressor housing and conform to the compressor housing wrinkle-free under tension, even when the latter is domed.
  • the recess which receives the radial projection of the compressor housing is formed in a circumferential ring surrounding the bottom of the evaporation tray.
  • the circumferential ring is suitably stiffer than the ground.
  • An outer wall of the evaporation tray preferably protrudes from the ring.
  • This outer wall may be vertically or slightly upwardly divergent in order to keep the proportion of the surface in contact with the compressor housing heat receiving surface of a water contained in the evaporation shell large and thus to ensure evaporation-promoting high water temperatures in the evaporation tray.
  • the evaporation tray may be provided with two tabs projecting down over the ring.
  • a fixing strap can be spanned around the evaporation tray.
  • a fixing belt connected to the evaporation tray at at least two points is stretched under a bottom of the housing of the compressor.
  • the fixing belt can be easily attached to the tabs.
  • the fixing strap of this other embodiment is preferably elastic.
  • the shell has at least one outer and one inner wall, each surrounding an outer and an inner reservoir for water to be evaporated, the upper edge of the inner wall being higher than that of the outer wall.
  • the walls should have some inherent rigidity to ensure that they do not come to rest on the ground. Therefore, the thickness of the walls is preferably higher than that of the floor, more preferably especially in its upper area.
  • Fig. 1 1 denoted compressor has in a conventional manner one of two shells, a substantially cylindrical lower shell 2 and a dome-shaped upper shell 3, assembled housing. The edges of the shells 2, 3 are connected to each other in an annular circumferential weld bead 4.
  • An evaporation tray 5 integrally formed of a rubber elastic plastic material such as TPU or Santoprene is mounted on the compressor 1.
  • the evaporation tray 5 is with respect to a dot-dashed center line of the Fig.1 symmetrical and is shown to the left of the median line in a front view and to the right of it in a radial section.
  • the evaporation tray 5 has a stretchable and flexible thin bottom 6, which is stretched over the upper shell 3 and closely conforms to the convex curvature everywhere.
  • the tension of the bottom 6 is maintained by a ring 7, which forms an outer edge of the bottom 6.
  • the material thickness of the ring 7 is significantly higher than that of the bottom 6, so that the ring 7 has a non-negligible inherent rigidity.
  • the ring 7 is anchored to the compressor 1 by engagement of the Sch Strukturwulsts 4 in a circumferential groove on the inside of the ring. 7
  • a cylindrical outer wall 8 extends upwardly from the ring 7 and defines, together with the bottom 6, an annular outer water reservoir 9.
  • an inner wall 10 Concentric with the outer wall 8 of the bottom 6 is an inner wall 10 which limits an inner water reservoir 11 at a higher level than the outer reservoir 9. If the arrangement of the Fig. 1 is installed in a refrigerator, the inner reservoir 11 is under a condensate outlet, so that discharged from the interior of the refrigerator condensate first fills the inner reservoir 11. Only when this overflows, water also enters the annular outer reservoir. 9
  • two tabs 12 are formed diametrically opposite one another, of which in the illustration of Fig. 1 only one half is visible.
  • the tabs 12 can serve for two different purposes. First, they can serve as handles on which the evaporation tray 5 can be detected and mounted on the compressor 1. By engaging the tabs 12, it is possible to slightly expand the ring 7, so that it can slide onto the weld bead 4 and receive it in its inner groove.
  • the tabs 12 can serve for permanently fixing the evaporation tray 5 by means of a tension belt 13 extending transversely across the bottom of the lower panel 3.
  • the symmetrical with respect to the center line tension belt 13 is a widened at its two ends or, as shown in the figure, forked band, which preferably consists of the same rubber-elastic material as the evaporation tray 5.
  • the tension belt 13 runs into two branches 14, of which in turn Fig. 1 only one can be seen.
  • Each branch 14 carries, connected via a waisted portion, a spherical head 15 whose diameter is slightly larger than in the tabs 12 of the evaporation tray 5 formed openings.
  • the head 15 can be pressed by pressing the tab 12 against the lower shell 2 through the opening, whereby the tension belt 13 is latched to the tab 12. If this has been done on both sides, the tension of the tension belt 13 contributes to the fact that the evaporation tray 5 is held securely locked on the weld bead 4.
  • the tension belt 13 can compensate for variations in the vertical dimensions of the compressor 1. Whether the tension belt 13 is required depends on the exact dimensions of the upper shell 3 and the weld bead 4. In a compressor model in which these dimensions are rather small and the tension of the bottom 6 is not sufficient to jeopardize the secure hold of the ring 7 on the weld bead 4, the tension belt 13 can also be omitted.
  • FIG. 2 A first modification of the inventive principle is in Fig. 2 in one too Fig. 1 analog view shown.
  • the viewing direction is opposite to that of Fig. 1 rotated by 90 °, so that the tabs 12 of the evaporation tray 5 can be seen in side view or in section.
  • these are each provided with a reinforcement 16 at its lower edge.
  • Fig. 2 fuse the evaporation tray 5 on the compressor 1: in an outer circumferential groove 17 of the ring 7 is an inelastic belt 18, for example, a cable tie, inserted and tightened, which prevents radial expansion of the ring 7 and thus the sliding of the weld bead 4.
  • an inelastic belt 18 for example, a cable tie
  • a difference to the design of the Fig. 1 is in the wall thicknesses of the bottom 6 and the cylindrical walls 8, 10. While the bottom 6 is thin-walled, so that when it is not mounted on the compressor 1, it collapses under the weight of the wall 10, the walls 8 , 10 a rising from bottom to top wall thickness. Thus, the walls 8, 10 may follow a possibly required during assembly to a compressor 1 expansion of the bottom 6 and the ring 7 without too much resistance, but have in their upper region, in particular at the level of a final upper bead 19, a sufficient rigidity to ensure their stability in all installation situations. Thus, the leakage of water due to a collapsed wall 8 or 10 can be reliably excluded.

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)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Compressor (AREA)

Claims (13)

  1. Montage compresseur-bac d'évaporation avec un bac d'évaporation (5) monté sur le corps (2, 3) d'un compresseur (1), une saillie radiale du corps de compresseur (2, 3) coopérant par emboîtement avec un logement sur le bac d'évaporation (5) et un fond souple (6) du bac d'évaporation (5) étant situé au moins pour parties sous précontrainte sur une partie supérieure de corps (3) du compresseur (1), caractérisé en ce qu'au moins le fond (6) du bac d'évaporation (5) est constitué d'une matière élastomère et en ce que la saillie radiale est un cordon de soudure (4) qui relie l'un à l'autre un bac supérieur et un inférieur (2, 3) du corps de compresseur (1).
  2. Montage selon la revendication 1, caractérisé en ce que le bac d'évaporation (5) est fabriqué monobloc en matière élastomère.
  3. Montage selon la revendication 1 ou 2, caractérisé en ce que le logement est configuré comme un creux et est formé dans une bague (7) périphérique du bac d'évaporation entourant le fond (6).
  4. Montage selon la revendication 3, caractérisé en ce que la bague périphérique (7) est réalisée en matériau plus rigide que le fond (6).
  5. Montage selon la revendication 3 ou 4, caractérisé en ce qu'une paroi extérieure (8) du bac d'évaporation (5) est éloignée de la bague (7).
  6. Montage selon la revendication 4 ou 5, caractérisé en ce que le bac d'évaporation (5) présente deux colliers (12) faisant saillie vers le bas au-dessus de la bague (7).
  7. Montage selon l'une des revendications précédentes, caractérisé
    en ce qu'une sangle de fixation (18) est tendue tout autour du bac d'évaporation (5).
  8. Montage selon l'une des revendications précédentes, caractérisé en ce qu'une sangle de fixation (13) reliant le bac d'évaporation (5) en au moins deux points est étendue sous le fond du corps (2, 3).
  9. Montage selon la revendication 6 et la revendication 8, caractérisé en ce que la sangle de fixation (13) est fixée aux colliers (12).
  10. Montage selon la revendication 8 ou 9, caractérisé en ce que la sangle de fixation (13) est élastique.
  11. Montage selon l'une des revendications précédentes, caractérisé en ce que le bac d'évaporation (5) présente au moins une paroi extérieure et une intérieure (8, 10), lesquelles entourent chaque fois un réservoir extérieur et un intérieur (9, 11), l'arête supérieure de la paroi intérieure (10) étant située plus haut que celle de la paroi extérieure (8).
  12. Montage selon la revendication 5 ou 11, caractérisé en ce que chaque paroi (8, 10) est, au moins dans une zone supérieure, plus solide que le fond (6).
  13. Appareil frigorifique, en particulier appareil frigorifique électroménager, caractérisé par un montage compresseur-bac d'évaporation selon l'une des revendications 1 à 12.
EP09167314.5A 2008-08-26 2009-08-06 Dispositif compresseur-bac d'évaporation Active EP2159520B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09167314T PL2159520T3 (pl) 2008-08-26 2009-08-06 Układ tacy wyparnej sprężarki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008041558A DE102008041558A1 (de) 2008-08-26 2008-08-26 Verdichter-Verdunstungsschale-Anordnung

Publications (3)

Publication Number Publication Date
EP2159520A2 EP2159520A2 (fr) 2010-03-03
EP2159520A3 EP2159520A3 (fr) 2014-11-26
EP2159520B1 true EP2159520B1 (fr) 2018-12-12

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ID=41401818

Family Applications (1)

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EP09167314.5A Active EP2159520B1 (fr) 2008-08-26 2009-08-06 Dispositif compresseur-bac d'évaporation

Country Status (4)

Country Link
EP (1) EP2159520B1 (fr)
DE (1) DE102008041558A1 (fr)
PL (1) PL2159520T3 (fr)
TR (1) TR201819717T4 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011006606A1 (de) 2011-03-31 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
WO2014124839A1 (fr) 2013-02-14 2014-08-21 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de collecte d'eau de dégivrage dans un appareil électroménager de réfrigération, appareil électroménager de réfrigération et procédé de montage d'un tel dispositif
DE102013225649A1 (de) 2013-12-11 2015-06-11 BSH Hausgeräte GmbH Haushaltskältegerät in einem Maschinenraum mit einer Trägerschale, auf welcher ein weiteres Bauteil gehalten ist
DE102021214061A1 (de) 2021-12-09 2023-06-15 BSH Hausgeräte GmbH Kältegerät, Verdunstungsanordnung für ein Kältegerät sowie Verfahren und Set zur Herstellung der Verdunstungsanordnung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0803691A2 (fr) * 1996-04-26 1997-10-29 FISHER & PAYKEL LIMITED Dispositif d'évaporation pour appareillage frigorifique
EP1621832A1 (fr) * 2004-07-30 2006-02-01 Whirpool Corporation Réfrigérateur ménager

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1595334A (fr) * 1968-03-22 1970-06-08
AT324370B (de) * 1973-07-10 1975-08-25 Bosch Hausgeraete Gmbh Verdumstungsvorrichtung für schmelzwasser, insbesondere für periodisch abtaubare kühl- bzw. gefriergeräte
BR9802115A (pt) * 1998-05-19 2000-03-08 Brasilerira De Compressores S Bandeja de evaporação.
DE19855504A1 (de) * 1998-12-01 2000-06-08 Bsh Bosch Siemens Hausgeraete Kältegerät
DE19962256A1 (de) * 1999-12-22 2001-06-28 Bsh Bosch Siemens Hausgeraete Tauwasserauffangschale
IT251755Y1 (it) * 2000-10-18 2004-01-20 Zanussi Elettromecc Compressore frigorifero con vaschetta di evaporazione
DE20209839U1 (de) * 2002-06-25 2002-09-12 BSH Bosch und Siemens Hausgeräte GmbH, 81669 München Verdichter-Verdunstungsschale-Anordnung
DE10322681A1 (de) * 2003-05-20 2004-12-09 BSH Bosch und Siemens Hausgeräte GmbH Erhöhung der Verdunstungsleistung durch Verdichterkapsel als Verdunstungsschalenboden

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0803691A2 (fr) * 1996-04-26 1997-10-29 FISHER & PAYKEL LIMITED Dispositif d'évaporation pour appareillage frigorifique
EP1621832A1 (fr) * 2004-07-30 2006-02-01 Whirpool Corporation Réfrigérateur ménager

Also Published As

Publication number Publication date
EP2159520A2 (fr) 2010-03-03
DE102008041558A1 (de) 2010-03-04
TR201819717T4 (tr) 2019-01-21
PL2159520T3 (pl) 2019-06-28
EP2159520A3 (fr) 2014-11-26

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