EP1673002B1 - Geschirrspüler mit trocknungseinrichtung - Google Patents
Geschirrspüler mit trocknungseinrichtung Download PDFInfo
- Publication number
- EP1673002B1 EP1673002B1 EP04765857A EP04765857A EP1673002B1 EP 1673002 B1 EP1673002 B1 EP 1673002B1 EP 04765857 A EP04765857 A EP 04765857A EP 04765857 A EP04765857 A EP 04765857A EP 1673002 B1 EP1673002 B1 EP 1673002B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dishwasher
- air
- condensation
- drying device
- drying
- 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
Links
- 238000001035 drying Methods 0.000 title claims abstract description 76
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000009833 condensation Methods 0.000 claims description 60
- 230000005494 condensation Effects 0.000 claims description 60
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 49
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/48—Drying arrangements
- A47L15/483—Drying arrangements by using condensers
Definitions
- the invention relates to a dishwasher with a drying device for drying items to be washed.
- one or more rinsing operations are usually carried out in the course of the rinsing operation in order to clean the items to be washed in the dishwasher.
- After the last rinsing process usually takes place a rinse phase, followed by a drying process followed to dry the items to be washed.
- different methods are known for drying items to be washed in a dishwasher.
- the items to be washed can be dried, for example, by means of self-heat drying with the aid of a heat exchanger, by heating the rinsing liquid for rinsing and thus drying the rinsing product, which has been rinsed hot, by itself in such a way as to generate self-heat during the drying process.
- the final-rinse liquid is heated to a certain temperature in the heat exchanger and applied to the items to be washed via the spraying devices present in the dishwasher.
- a separate heat source e.g. a hot air blower, used to heat the humid air mixture during the drying process, so that the air in the rinse tank can absorb a larger amount of water.
- a disadvantage of the above-described methods for heating or drying of items to be washed in dishwashers according to the prior art is that the heating of the washing liquid is associated with a high energy requirement and regenerates the required heat energy for each heating phase by means of electrical heating elements must become.
- the known methods have the disadvantage that the heating of the final rinse liquid and the drying processes themselves are associated with a high energy requirement and the required heat energy is lost after the drying process.
- the dishwasher has the DD 128 108 A a recirculating air duct, through which steam is sucked out of the washing compartment by means of a blower and is returned via a condenser as relatively dry air into the washing compartment of the dishwasher.
- the circulating air channel is formed as a whole as a condensation channel and distributed over the length of the condensation channel distributed at least two slots arranged transversely to the flow direction.
- the dishwasher of the FR 2 491 319 A1 has a condensation device, which is designed as upwardly directed, open-topped shaft with labyrinthine arranged therein transverse walls.
- the condensation device is arranged between the left container side wall and the associated machine panel.
- a conduit system provided, the downwardly extending portion formed as a condensation shaft with a collecting bag for condensate.
- the condensation shaft is heat-insulated from the adjacent right-hand side wall of the container profiled.
- the conduit system is expediently formed from a one-piece plastic part, for example as a blow-molded part.
- the line system extends on the one hand with its the container side inlet opening having a portion and its outlet opening for air containing another section between a side wall of the washing and the small machine panel to this distance and on the other hand its a fan and a heater having central portion of the conduit system in the free space below the tank bottom.
- the loading door in this case comprises an inner door panel and an outer door panel, which are arranged at a distance from each other to form a gap formed as an air gap.
- an insulating fleece is attached to the side facing away from the washing compartment of the inner door panel. To condense moisture flows through humid air from the interior of the washing compartment, the space between the outer door panel and the inner door panel.
- the strip of material which receives the condensate comprises a capillary material, e.g. B. blotting paper.
- the condensate passes through the capillary structure of the gutter material on the outwardly directed surface and evaporates there.
- the object of the present invention is therefore to provide a drying device with which it is possible, from an economic and hygienic point of view, to quickly dry the moist items to be washed located in the washing container.
- a drying device is provided for drying items to be washed, wherein the drying device is arranged inside the dishwasher and only circulates the air in a washing container of the dishwasher.
- the drying device comprises a suction opening for introducing the air from the washing container into the drying device, an outlet opening for discharging the air from the drying device into the washing compartment, a transport path between the suction opening and the outlet opening and a fan for Carrying the air from the suction port through the transport path to the exhaust port, wherein the transport path has a condensation section, in which at least one wall of the transport path is formed as a condensation surface, at which the moisture contained in the air is reflected.
- the principle on which the present invention is based is to reduce the humidity present in the washing container during the drying process by removing the moisture from the air in the washing container as it flows through the drying apparatus.
- a dishwasher with the system according to the invention for drying items to be washed thus has the advantage that both the drying time and the energy required for drying the items to be washed are reduced.
- the dishwashers according to the invention also provide the advantage that no moisture-laden air is released into the ambient atmosphere, whereby harmful influences on the furniture, such as e.g. Mold formation is avoided. Furthermore, the items to be washed do not come into contact with the outside air during drying, so that a high standard of hygiene can be ensured.
- the temperature effects of the final rinse liquid further reduce the effects of stress on the items to be washed, so that the danger of hairline cracks is reduced, for example, in the case of ceramic dishes or earthenware containers.
- the condensation surface of the drying device is in heat-conducting contact with an outer wall of the dishwasher.
- the wall of the transport path is formed as a condensation surface, which bears against the outer wall of the dishwasher. Since the outer walls of the dishwasher generally consist of a metal housing, the housing of the dishwasher is particularly well suited as a cooling surface. In this way, a good heat dissipation from the condensation surface is ensured to an outer wall of the dishwasher.
- the housing In the manufacture of a dishwasher, the housing is usually mounted in one of the last steps when the rinse tank is already connected to all associated components.
- the drying device is therefore already arranged on the washing container when the housing is mounted around the washing container.
- the condensation surface is made according to the invention of a flexible material.
- the flexible wall of the conveying line designed as a condensation surface can expand outwards and come into contact with the outer wall of the dishwasher.
- the condensation surface is preferably formed in the form of a film of plastic or metal, in particular aluminum. While a film made of plastic has the advantage of being able to flexibly absorb point loads due to its extensibility, a film of metal is characterized by a high thermal conductivity.
- the drying device is substantially thermally insulated from the rinsing container, so that the transport path and in particular the condensation section remains as cool as possible in relation to the interior of the rinsing container. This makes it possible to achieve the greatest possible temperature difference between the air introduced from the rinsing container into the drying device and the condensation section and thus the most efficient possible condensation effect.
- the condensation section has at least one swirl vane protruding into the interior of the transport section, which causes a turbulence of the air flowing through the condensation section.
- the residence time of the air in the condensation section is increased and the contact of the air to the condensation surface intensified, which supports the condensation effect described above.
- the condensation effect is further increased if the suction opening of the drying device is arranged in the upper region of the washing container and the discharge opening of the drying device in the lower region of the washing container. Since the warm, humid air is in the upper area of the washing container, the arrangement the suction opening in the upper region of the washing container ensures that the air is conveyed from the region of the washing container into the drying device at which the highest humidity is present. Due to the arrangement of the exhaust opening in the lower region of the washing container, a circulation movement of the air through the washing container and the drying device is promoted.
- the drying device also has a discharge, through which the water precipitated in the condensation section is discharged.
- the precipitated in the drying device water can be passed, for example, in the pump pot of the dishwasher or conveyed through the drain pump from the dishwasher.
- a heating device is preferably provided immediately in front of the discharge opening, which heats the air passing by it before it enters the washing container.
- the heating device is designed for example as a heating coil, which is arranged on the inner wall of the transport path. This allows the air to be heated prior to re-entry into the purge vessel to provide the air with a greater capacity to absorb moisture, which accelerates the drying process. After the air has absorbed the moisture from the items to be washed, it is conveyed via the blower through the suction port back into the drying device. When flowing through the condensation section of the air is deprived of moisture, when passing the heater, the air is reheated and thus the circuit is closed.
- the fan is arranged with respect to the flow direction of the air behind the condensation section. Since the air in the condensation section is at least partially deprived of moisture, the arrangement of the fan with respect to the flow direction of the air behind the condensation section has the advantage that the fan is charged with the lowest possible humidity.
- both the fan and the heater with the program control of the dishwasher is connected so that according to the Spülprogrammstatus the fan and according to the heater is controlled.
- the circulation of the air and the removal of the humidity in the dishwasher according to the invention both a homogeneous heat distribution within the drying air and a uniform flow through the Spül mattersers achieved, which has a higher efficiency and thus better energy values for the operation of the dishwasher invention.
- the transport path is arranged in a side wall or in the door of the dishwasher. It is also possible to arrange the transport path in the rear region of the washing, but in particular offers the side wall and the door, because on the one hand in these areas outbreaks already exist, such as the expansion shaft for compensating pressure peaks in the washing. On the other hand, the side walls and the door of a dishwasher generally have an exposed position and therefore provide efficient heat dissipation.
- FIG. 1 has a washing container 1 with a drying device in the side wall, a suction opening 2 for introducing air from the washing compartment 1 into the drying device, a blow-out opening 3 for discharging the air from the drying device into the washing compartment 1 and a transport path 11 between the suction opening 2 and the discharge opening 3 and a fan 4 for conveying the air from the suction port 2 through the transport path 5 to the exhaust port 3.
- the transport path 5 comprises a condensation section 11, in which the humidity precipitates, since the condensation section 11 has a lower temperature than the moist, warm air from the washing container 1.
- the condensation section 11 is additionally equipped with a number of swirl vanes 6, which protrude into the interior of the transport route and thereby cause turbulence of the air flowing through the condensation section 11 air, which supports the condensation effect.
- the suction opening 2 is located in the upper region of the washing container 1 and the discharge opening 3 in the lower region of the washing container 1.
- the blower 2 connected to a control unit (not shown) is activated and sucks in moist air through the suction opening 2 from the washing container 1.
- the moist air passes through the condensation section 11, in which the humidity is at least partially reflected.
- the air is heated at a heater 7 and thus is able to absorb a larger amount of moisture.
- the now heated and dehumidified air is introduced back into the washing 1 and can be there to distribute the wet items to be washed.
- FIG. 2 shows a sectional view taken along by the reference numeral AA in FIG. 1 defined level by the in FIG. 1 illustrated drying device. It can be seen that the transport channel 5 in the region of the condensation section 11 has a condensation surface 8, which bears directly against an outer wall 9 of the dishwasher. On the opposite side of the transport channel 5 is separated by a heat-insulating layer 10 from the washing compartment 1.
- the transport path 5 is at least partially designed as a condensation section 11, wherein the (not shown) on the outer wall 9 of the dishwasher wall of the transport path 5 serves as a condensation surface 8.
- the condensation surface 8 of the drying device is in heat-conducting contact with the outer wall 9 of the dishwasher and is maintained by this at a temperature level which corresponds approximately to the room temperature.
- the outer walls 9 of the dishwasher are generally made of metal, they are particularly suitable as cooling surfaces. In this way, good heat dissipation from the condensation surface 8 to the outer wall 9 of the dishwasher and further to the environment is ensured. Consequently, the condensation surface 8 during the drying operation to a lower temperature than the originating from the washing tank 1 moist warm air, whereby the condensation effect arises.
- the condensation surface 8 is made of a flexible material. As soon as the air from the washing container 1 is conveyed by the blower 4 through the transport path 5 of the drying device, the condensation surface 8 of the condensation section 11, which is designed as a flexible wall, can expand outwards and come into contact with the outer wall 9 of the dishwasher.
- the condensation surface 8 is formed for example as a film which is made of plastic or metal, in particular aluminum.
Landscapes
- Washing And Drying Of Tableware (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04765857T PL1673002T3 (pl) | 2003-10-06 | 2004-10-06 | Zmywarka do naczyń z urządzeniem suszącym |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10346304A DE10346304A1 (de) | 2003-10-06 | 2003-10-06 | Geschirrspüler mit Trocknungseinrichtung |
PCT/EP2004/011174 WO2005034716A1 (de) | 2003-10-06 | 2004-10-06 | Geschirrspüler mit trocknungseinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1673002A1 EP1673002A1 (de) | 2006-06-28 |
EP1673002B1 true EP1673002B1 (de) | 2012-07-25 |
Family
ID=34399278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04765857A Active EP1673002B1 (de) | 2003-10-06 | 2004-10-06 | Geschirrspüler mit trocknungseinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US8887742B2 (pl) |
EP (1) | EP1673002B1 (pl) |
DE (1) | DE10346304A1 (pl) |
ES (1) | ES2389479T3 (pl) |
PL (1) | PL1673002T3 (pl) |
WO (1) | WO2005034716A1 (pl) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2019163B1 (en) * | 2007-07-26 | 2018-02-28 | Candy S.p.A. | Washer dryer machine |
KR100930565B1 (ko) * | 2007-08-10 | 2009-12-10 | 엘지전자 주식회사 | 증기배출구조를 구비한 식기세척기 |
US8696824B2 (en) | 2009-02-04 | 2014-04-15 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
US10295256B2 (en) | 2009-02-04 | 2019-05-21 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
KR20100113730A (ko) * | 2009-04-14 | 2010-10-22 | 엘지전자 주식회사 | 식기세척기 |
EP2482705B1 (en) * | 2009-10-01 | 2017-05-10 | Arçelik Anonim Sirketi | Dishwasher with increased drying effectiveness |
WO2015155643A1 (en) * | 2014-04-07 | 2015-10-15 | Indesit Company S.P.A. | Washing and drying machine |
US10595706B2 (en) | 2014-07-23 | 2020-03-24 | Whirlpool Corporation | Dishwasher with air system |
CN106343935A (zh) * | 2016-11-10 | 2017-01-25 | 佛山市顺德区美的洗涤电器制造有限公司 | 用水家用电器 |
CN106859565A (zh) * | 2017-01-09 | 2017-06-20 | 佛山市顺德区美的洗涤电器制造有限公司 | 用水家用电器的干燥系统及用水家用电器 |
US20190133412A1 (en) * | 2017-11-06 | 2019-05-09 | Haier Us Appliance Solutions, Inc. | Heating assembly for a washing appliance |
CN108742459A (zh) * | 2018-07-09 | 2018-11-06 | 华帝股份有限公司 | 洗碗机内胆干燥结构 |
IT201900020448A1 (it) | 2019-11-07 | 2021-05-07 | Elframo S P A | Camera di asciugatura a 2 zone per lavastoviglie a tunnel |
KR20220053425A (ko) * | 2020-10-22 | 2022-04-29 | 엘지전자 주식회사 | 식기세척기 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7110279U (de) * | 1973-07-05 | Rapp H | Maschine zum kombinierten Spulen und Trocknen von Glasern | |
US3068877A (en) * | 1958-09-12 | 1962-12-18 | Gen Motors Corp | Dishwasher |
DD128108A1 (de) | 1976-06-15 | 1977-11-02 | Harald Frank | Einrichtung zum trocknen von geschirr in einer haushalt-geschirrspuelmaschine |
DE3038028C2 (de) | 1980-10-08 | 1983-12-29 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Geschirrspülmaschine mit einem Gebläse zum Fördern von Frischluft |
DE8026939U1 (de) | 1980-10-08 | 1982-02-04 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Geschirrspuelmaschine |
DE3113430A1 (de) * | 1981-04-03 | 1982-10-21 | Wilh. Cordes GmbH & Co, 4740 Oelde | Wasch- oder spuelmaschine mit einem dampfkondensator |
IT1303213B1 (it) * | 1998-08-06 | 2000-11-02 | Bitron Spa | Dispositivo per l'asciugatura delle stoviglie al termine del processodi lavaggio di una lavastoviglie |
DE10022088A1 (de) * | 1999-05-26 | 2001-01-04 | Miele & Cie | Programmgesteuerte Geschirrspülmaschine mit einer Einrichtung zum Trocknen von Geschirr |
DE19946563B4 (de) | 1999-09-29 | 2004-03-25 | AEG Hausgeräte GmbH | Geschirrspülmaschine mit einem Spülbehälter |
DE10013415B4 (de) * | 2000-03-03 | 2004-12-02 | AEG Hausgeräte GmbH | Geschirrspülmaschine mit einer Kondensationsvorrichtung |
DE10013416A1 (de) * | 2000-03-03 | 2001-09-13 | Aeg Hausgeraete Gmbh | Geschirrspülmaschine mit einer Kondensationsvorrichtung und Verfahren hierfür |
DE10023346A1 (de) * | 2000-05-12 | 2001-11-15 | Diehl Ako Stiftung Gmbh & Co | Vorrichtung zum Trocknen von Geschirr in einer Geschirrspülmaschine |
DE10024892A1 (de) | 2000-05-19 | 2001-11-22 | Aeg Hausgeraete Gmbh | Geschirrspülmaschine mit einem Spülbehälter und Verfahren zum Entfernen einer feuchten Luft aus einem Spülbehälter einer Geschirrspülmaschine |
ITTO20010291A1 (it) * | 2001-03-28 | 2002-09-28 | Bitron Spa | Macchina lavastoviglie comprendente un dispositivo di condensazione aridotto consumo energetico. |
FR2822680B1 (fr) * | 2001-03-30 | 2003-05-16 | Oreal | Compositions cosmetiques detergentes contenant un tensioactif anionique derive d'acides amines et un agent conditionneur soluble et leurs utilisations |
DE10210842A1 (de) | 2002-03-12 | 2003-09-25 | Electrolux Home Prod Corp | Vorrichtung und Verfahren zur Erfassung des Trockengrades in einem Haushaltsgerät |
-
2003
- 2003-10-06 DE DE10346304A patent/DE10346304A1/de not_active Withdrawn
-
2004
- 2004-10-06 PL PL04765857T patent/PL1673002T3/pl unknown
- 2004-10-06 EP EP04765857A patent/EP1673002B1/de active Active
- 2004-10-06 ES ES04765857T patent/ES2389479T3/es active Active
- 2004-10-06 US US10/574,714 patent/US8887742B2/en active Active
- 2004-10-06 WO PCT/EP2004/011174 patent/WO2005034716A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
PL1673002T3 (pl) | 2012-11-30 |
US8887742B2 (en) | 2014-11-18 |
US20070261721A1 (en) | 2007-11-15 |
EP1673002A1 (de) | 2006-06-28 |
DE10346304A1 (de) | 2005-04-28 |
WO2005034716A1 (de) | 2005-04-21 |
ES2389479T3 (es) | 2012-10-26 |
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