EP0556773B1 - Machine à laver la vaisselle avec un ventilateur pour la circulation d'air - Google Patents

Machine à laver la vaisselle avec un ventilateur pour la circulation d'air Download PDF

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Publication number
EP0556773B1
EP0556773B1 EP19930102395 EP93102395A EP0556773B1 EP 0556773 B1 EP0556773 B1 EP 0556773B1 EP 19930102395 EP19930102395 EP 19930102395 EP 93102395 A EP93102395 A EP 93102395A EP 0556773 B1 EP0556773 B1 EP 0556773B1
Authority
EP
European Patent Office
Prior art keywords
dish
washing
door
washing machine
fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19930102395
Other languages
German (de)
English (en)
Other versions
EP0556773A1 (fr
Inventor
Giuseppe Schena
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.)
Whirlpool EMEA SpA
Original Assignee
Merloni Elettrodomestici SpA
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
Priority claimed from ITTO920123A external-priority patent/IT1256876B/it
Priority claimed from ITTO920122A external-priority patent/IT1256875B/it
Application filed by Merloni Elettrodomestici SpA filed Critical Merloni Elettrodomestici SpA
Publication of EP0556773A1 publication Critical patent/EP0556773A1/fr
Application granted granted Critical
Publication of EP0556773B1 publication Critical patent/EP0556773B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L15/4251—Details of the casing
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4409—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants by tipping containers or opening their lids, e.g. with the help of a programmer
    • 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
    • A47L15/486—Blower arrangements

Definitions

  • the present invention relates to a dish-washing machine, comprising a washing chamber, an access door to said washing chamber and a fan fixed to said door, for the forced circulation of air inside said chamber.
  • dish-washing machines are equipped with a fan, apt at causing a forced circulation of air inside the washing chamber; such fan being installed in several types of machine that provide, upon completing the wash, a final drying phase of the dishes and pans.
  • the fan In dish-washing machines of the type known the fan is generally arranged within the door, interposed between two series of louvers, the first being realised on the side of the door that faces the chamber and the second being realised on the external side of the door, i.e. towards the external surroundings.
  • the fan being fixed in the cavity of the door of the machine results in an awkward installation and can lead to problems for eventual technical interventions.
  • the manufacture of the door results in being complicated, due to the internal fixing of the fan, and to the numerous openings realised on the door (with a consequent increase in the risks of water losses), and as additional processing is required for the realisation of the eventual maze-like passages.
  • the aim of the present invention is that of overcoming these and other drawbacks of the dish-washing machines of the type known, and in particular to indicate a dish-washing machine equipped with a drying circuit being simple to realise and efficient, that allows for avoiding the risk of water loss and the passing of noise.
  • a dish-washing machine comprising a washing chamber, an access door to said washing chamber and a fan fixed to said door, for the forced circulation of air inside said chamber, characterised in that said fan for the forced circulation of air inside the washing chamber is housed in an appropriate container, in particular enbloc provided with a cover, that is at least partially enclosed in the access door to said washing chamber, in particular on the side that in the closed position of said door it faces towards the interior of said washing chamber.
  • reference number 1 indicates as a whole a container, for instance realised in a single piece, fixed to the loading door 2 of a dish-washing machine; such container device 1 is partially enclosed in the door, on the side made up of stainless steel that, in the closed position of the actual door, faces the interior of a washing chamber 3 of the dish-washer.
  • a decorative panel 4 is fixed, that entirely covers the door starting from the base of the dish-washing machine.
  • a compartment is realised in the container 1 in which a fan for the forced circulation of air inside the chamber 3 is arranged; such fan, of the known type and functioning, is generally indicated with reference number 6.
  • the container 1, that is equipped with a cover flap 9, has an opening in its rear part, i.e. towards the interior of the door 2, so as to allow the passage of air.
  • the cover flap 9 is realised in a plastic material, as is the box body of the container 1, and has seals for guaranteeing the necessary water/air tightness; said cover flap is hinged to the body of the container 1 at its superior part.
  • the opening of the cover flap 9 that covers the fan 6 is realised by way of a counter-weight system.
  • such cover flap 9 has a counter-weight 10 to which it is integral; the aim of such counter-weight 10 is that of making the cover flap 9 close automatically when the door 2 of the machine is opened and found in a horizontal position (as in the case represented in part B of figure 2).
  • the cover flap 9 For the opening of the cover flap 9 at an opportune moment an electromagnetic system is provided; the cover flap 9 in fact has a metallic insert and in the compartment of the fan 6 a release device is present constituted by a fixed magnet and a demagnetising coil.
  • the timer of the machine sends to the coil of the compartment of the fan 6 an impulse: the magnet is demagnetised for several instants, so as that the cover flap 9 opens to approximately 30-40° due to the effect of the counter-weight 10, i.e. just enough for allowing a sufficient air passage (as in the illustrated in part A of figure 2); the timer activates at this point the fan 6 for a determined period; therefore under the action of the fan 6 an adequate circulation of air inside the washing chamber is created, for eliminating the steam has been created within.
  • reference number 11 indicates a breather device normally provided in dish-washing machines
  • reference number 14 indicates a conduit of a relatively reduced section, for example in a plastic material, that places in communication the rear opening of the container 1 with an opening 15 present on the extremity of the lower edge of the door 2. The presence of the panel 4 does not interfere whatsoever with the opening 15.
  • the air circulation circuit is the following.
  • the fan 6 Upon termination of the washing cycle, in itself known, the fan 6 begins to function on the command of the timer, after that the same timer has caused the release of the cover flap 9, in the abovementioned manner; cold air is inhaled for depression in the chamber 3, through the breather device 11; still under the inhaling action of the fan 6 warm air loaded with steam, that naturally tends to ascend, is inhaled within the container 1.
  • the air consequently passes the container 1 and is pushed in the conduit 14 towards the bottom, inside the door 2, to the opening 15, from which it exits.
  • the assembly of the fan results in being simplified, as in the stainless steel sheet that constitutes the surface of the door facing the chamber a simple opening is made in which the container 1 is partially (and obviously water-tightly) enclosed.
  • the fan 6, preassembled in the container 1, is in this way directly accessible, without having to intervene on the whole door; its installation, in the constructive phase, and interventions in the case of maintenance are thus very simple and rapid.
  • the joining of the conduit 14 and the container 1 may be for example of the snap fit type.
  • the conduit 14 could be shaped so as to favour the natural condensation of the steam within the conduit itself; for such aims a small hole or breather can be provided (schematically represented with 16) in the door lining, eventually equipped with a membrane valve device, through which the water formed from the condensation may re-enter the washing chamber.
  • reference number 21 indicates as a whole an enbloc device, fixed to the loading door 2 of a dish-washing machine; like container 1 figures 1-3, such enbloc device 21 is partially enclosed in the door, on the side constituted in stainless steel that, in the closed position of the door itself, faces the interior of the chamber 3 of the dish-washing machine.
  • the enbloc device is divided into three compartments:
  • the distributor 24 is a dispenser for liquid additives, realised with substantially known techniques, i.e. constituted by a tank that the user occasionally fills and the contents of which last for numerous washing cycles.
  • Such distributor 24 is equipped with a cover flap 27, in a plastic material, that is opened by the user before the loading of the additives after which it is then closed by the same user.
  • the programmer (timer) of the dish-washer commands a device within the distributor 24, that provides for opening a small passage through which the additives can drop into the washing chamber 3.
  • a device within the distributor 24 that provides for opening a small passage through which the additives can drop into the washing chamber 3.
  • Such type of dispensers are very common in the field of dish-washing machines.
  • the distributor 25 for the washing agents or detergents is a dispenser for liquid or powder additives; in practice a container in which the user, before the beginning of the washing cycle, loads the detergents through a cover flap 28; for the distributor 25, at an opportune moment, the timer provides for commanding a release device that causes the complete opening of the cover flap 28 and the consequent entry of the detergents within the washing chamber.
  • an electric fan is arranged, of a known type and functioning, having the aim of creating a forced circulation of air within the washing chamber of the dish-washing machine; the rear part of such compartment is opened towards the interior of the door 2, so as to allow the passage of the air.
  • Cover flaps 27, 28 and 9 are realised in a plastic material, as is the box body of the enbloc device 21, and has seals for guaranteeing the necessary water-tightness; said cover flaps are hinged to the body of device 21 along their superior part; the cover flap 28 is further equipped with a spring that, at the moment of the release, causes the automatic opening.
  • Cover flap 9 of the fan 6 is not equipped with a spring, but with a counter-weight system being of a similar type and functioning as that described with reference to figure 2.
  • cover flap 27 however is equipped with a mechanical release, that can only be operated by the user.
  • Cover flap 28 has a hook that is introduced to a hole realised in the body of the enbloc 21, in correspondence with such hole the distributor 25 is equipped with an electrically commanded device, in itself known, for releasing such hook. The release of cover flap 9 however takes place in the way described above.
  • the timer commands the release device of distributor 25, the hook is freed and the cover flap 28, under the action of the spring, automatically opens in a way that allows the entry of the detergents.
  • the timer sends to the coil of the compartment of the fan 6 an impulse: the magnet becomes demagnetised for some moments, so as that the cover flap 9 opens to approximately 30-40° due to the adequate of the counter-weight, i.e. just enough for allowing a sufficient passage for the air (as in the case illustrated in part A of figure 2); the timer at this point activates the fan 6 for a determined period; under the action of the fan 6 an efficient circulation of air within the washing chamber is consequently created, for eliminating the steam that has been created within.
  • Figure 5 schematically represents, by way of a section similar to that of figure 3, the air circulation circuit of the dish-washing machine subject of the present invention, in the case of the possible realisable variant in figures 4 and 5.
  • the air circulation circuit is the following.
  • the cover flap 28 is laterally provided with a small projecting tooth 22, in the direction of the cover flap 9 of the fan 6.
  • the electromagnetic release system of the cover flaps is designed so as to allow the user to open in an autonomous and manual manner, for example with a simple traction, when desired, the cover flaps of the various compartments.
  • the assembly of the fan and of the dispensers results in being simplified, as that in the stainless steel sheet constituting the surface of the door facing the chamber only a single opening is realised.
  • the fan can thus be preassembled in the enbloc device 21, that in this way results in being directly accessible without having to intervene on the door as a whole: its installation, in the manufacturing phase, and interventions in the case of maintenance are thus very simple and rapid.
  • cover flap 9 could be equipped with a release system similar to that of cover flap 28 of the central compartment.
  • the materials and forms of the components could be different, and they could be substituted with elements being technically similar.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Claims (16)

  1. Lave-vaisselle comprenant une chambre de lavage, une porte d'accès donnant sur ladite chambre de lavage, un ventilateur fixé à ladite porte, pour assurer la circulation forcée de l'air à l'intérieur de ladite chambre, caractérisé en ce que ledit ventilateur (6) prévu pour la circulation forcée de l'air à l'intérieur de la chambre de lavage (3) est logé dans un conteneur approprié, en particulier intégré (1, 21), équipé d'un couvercle (9), c'est-à-dire au moins partiellement enfermé dans la porte d'accès (2) donnant sur ladite chambre de lavage (3), en particulier sur le côté qui, dans la position fermée de la porte (2), regarde vers l'intérieur de ladite chambre de lavage (3).
  2. Lave-vaisselle selon la revendication 1, caractérisé en ce que ledit conteneur (1, 21) est subdivisé en compartiments distincts, dans lesquels sont incorporés ledit ventilateur (6), un distributeur d'agents de lavage (25) et/ou un distributeur (24) d'additifs de rinçage.
  3. Lave-vaisselle selon les revendications 1 ou 2, caractérisé en ce que ledit couvercle est une trappe (9) articulée au corps dudit conteneur (1, 21) le long de sa partie supérieure.
  4. Lave-vaisselle selon la revendication 2 ou 3, caractérisé en ce qu'au moins deux trappes (27, 28, 9) articulées au corps dudit conteneur (1, 21) sont prévues pour les compartiments dans lesquels sont incorporés ledit ventilateur (6) et ledit distributeur d'agents de lavage (25), et/ou ledit distributeur d'additifs de rinçage (24).
  5. Lave-vaisselle selon la revendication 1 ou 2, caractérisé en ce que le corps dudit dispositif (1, 21) présente au moins une ouverture dans la partie qui est enfermée à l'intérieur de ladite porte (2), en particulier au droit de la partie dans laquelle ledit ventilateur (6) est incorporé.
  6. Lave-vaisselle selon au moins une des revendications précédentes, caractérisé en ce qu'au moins une desdites trappes (27, 28, 9) possède un dispositif de relâchement qui est activé par le dispositif programmateur de la machine à un instant déterminé du cycle de lavage, ou encore par l'utilisateur de la machine avant le déclenchement du cycle de lavage.
  7. Lave-vaisselle selon la revendication précédente, caractérisé en ce que le dispositif de relâchement est du type électromagnétique et comprend en particulier un élément magnétique et une bobine démagnétisante agencée dans le corps dudit conteneur (1, 21), et une insertion métallique agencée dans la trappe correspondante (9).
  8. Lave-vaisselle selon au moins une des revendications précédentes, caractérisé en ce qu'au moins une desdites trappes (9) possède des moyens (10) aptes à provoquer le mouvement de fermeture automatique de la trappe (9) lors de l'ouverture de ladite porte d'accès (2) de la machine, ledit mécanisme de fermeture automatique comprenant en particulier un contrepoids (10) intégré à la trappe (9).
  9. Lave-vaisselle selon au moins une des revendications précédentes, caractérisé en ce qu'il est prévu des moyens de sécurité (22, 23) aptes à provoquer la fermeture d'une première (9) desdites trappes en relation avec la fermeture d'une deuxième (28) desdites trappes par l'utilisateur de la machine, et lesdits moyens de sécurité comprenant en particulier un appendice (22) qui fait saillie sur la deuxième trappe (28) et qui coopère avec un logement correspondant (23) présent dans ladite première trappe (9).
  10. Lave-vaisselle selon la revendication 9, caractérisé en ce ladite première trappe (9) est celle du compartiment dans lequel ledit ventilateur (6) est incorporé et en ce que ladite deuxième trappe est celle du compartiment dans lequel est incorporé ledit distributeur d'agent de lavage (25).
  11. Lave-vaisselle selon au moins une des revendications précédentes, caractérisé en ce que ledit conteneur (1, 21) comprend des moyens mécaniques qui, après le relâchement d'une desdites trappes (27, 28, 9) a été exécuté, provoque un mouvement d'ouverture automatique de cette même trappe, lesdits moyens mécaniques servant pour l'ouverture automatique de la trappe (9) comprenant en particulier un contrepoids (10).
  12. Lave-vaisselle selon la revendication 5, caractérisé en ce que, dans ladite porte (2) est agencé un conduit (14), réalisé en particulier en matière plastique, qui est accouplé à ladite ouverture présente dans la partie du corps du dispositif (1, 21) qui est enfermé à l'intérieur de ladite porte (2).
  13. Lave-vaisselle selon la revendication 1, caractérisé en ce que ledit conteneur (1, 21) est agencé de manière que ledit ventilateur (6) aspire de l'air à l'intérieur de ladite chambre (3) et expulse l'air à travers une ouverture (15) donnant sur l'environnement extérieur, qui est formée dans la partie inférieure de ladite porte (2), en particulier dans son bord inférieur.
  14. Lave-vaisselle selon les revendications 12 et 13, caractérisé en ce que, pendant son fonctionnement, ledit ventilateur (6) aspire de l'air à l'intérieur de ladite chambre (3), repousse l'air vers le bas le long dudit conduit (14) puis l'expulse dans l'environnement extérieur à travers ladite ouverture (15) réalisée dans la partie intérieure de la porte (2).
  15. Lave-vaisselle selon au moins une des revendications précédentes, caractérisé en ce que ledit conduit (14) se comporte comme un condenseur de vapeur qui passe dans ce conduit et est particulièrement conformé pour favoriser le processus de condensation de la vapeur et/ou pour collecter l'eau créée par cette condensation.
  16. Lave-vaisselle selon la revendication précédente, caractérisé en ce que ledit conduit (14) a un trou de drainage ou d'aération (16) en communication avec le côté intérieur de ladite porte (2), et à travers lequel ladite eau rentre dans ladite chambre de lavage (3), ledit trou de drainage ou d'aération (16) ayant en particulier un dispositif de soupape à membrane.
EP19930102395 1992-02-17 1993-02-16 Machine à laver la vaisselle avec un ventilateur pour la circulation d'air Expired - Lifetime EP0556773B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITTO920122 1992-02-17
ITTO920123A IT1256876B (it) 1992-02-17 1992-02-17 Macchina lavastoviglie con ventola di circolazione dell'aria e condotto interno allo sportello.
ITTO920123 1992-02-17
ITTO920122A IT1256875B (it) 1992-02-17 1992-02-17 Lavastoviglie con monoblocco incorporante il distributore degli agentidi lavaggio, il distributore degli additivi di risciacquo ed una ventola per la circolazione dell'aria.

Publications (2)

Publication Number Publication Date
EP0556773A1 EP0556773A1 (fr) 1993-08-25
EP0556773B1 true EP0556773B1 (fr) 1996-06-12

Family

ID=26332200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930102395 Expired - Lifetime EP0556773B1 (fr) 1992-02-17 1993-02-16 Machine à laver la vaisselle avec un ventilateur pour la circulation d'air

Country Status (3)

Country Link
EP (1) EP0556773B1 (fr)
DE (1) DE69303053T2 (fr)
ES (1) ES2089604T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101356513B1 (ko) * 2007-08-31 2014-01-29 엘지전자 주식회사 식기세척기
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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1280784B1 (it) * 1995-01-16 1998-02-11 Merloni Elettrodomestici Spa Macchina lavastoviglie con ventola di asciugatura.
SE9703220L (sv) * 1997-09-08 1999-03-09 Split Vision Dev Ab Anordning vid diskmaskiner
ES1060119Y (es) 2005-04-15 2005-11-01 Mollertech Orense S L Paso de rueda aislado para vehiculos.
KR20080028526A (ko) * 2006-09-27 2008-04-01 엘지전자 주식회사 식기 세척기
WO2015107474A1 (fr) 2014-01-17 2015-07-23 Indesit Company S.P.A. Machine de lavage de vaisselle ménagère
EP3020319B1 (fr) 2014-11-13 2023-02-22 Whirlpool EMEA S.p.A. Lave-vaisselle domestique
DE102017210546A1 (de) * 2017-06-22 2018-12-27 BSH Hausgeräte GmbH Geschirrspülmaschine mit zumindest einer Belüftungsöffnung
DE102020107210A1 (de) * 2020-03-17 2021-09-23 Miele & Cie. Kg Haushaltsgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210150B (de) * 1962-09-11 1966-02-03 Braun Ag Vorrichtung zum Zuteilen von Wasch- und Spuelmitteln bei selbsttaetig arbeitenden Waschmaschinen, wie Geschirrwaschmaschinen
DE1628515A1 (de) * 1967-09-01 1971-02-04 Bosch Hausgeraete Gmbh Geschirrspuelmaschine mit Entlueftungsoeffnung
DE3623027A1 (de) * 1986-07-09 1988-01-28 Miele & Cie Zugabevorrichtung in geschirrspuelmaschinen fuer ein insbesondere pulverfoermiges reinigungs- oder spuelmittel
DE3901170A1 (de) * 1989-01-17 1990-07-19 Licentia Gmbh Geschirrspuelmaschine mit entlueftungsoeffnung
IT1239896B (it) * 1990-05-17 1993-11-15 Dispensatore di sostanze immagazzinate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101356513B1 (ko) * 2007-08-31 2014-01-29 엘지전자 주식회사 식기세척기
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

Also Published As

Publication number Publication date
DE69303053T2 (de) 1997-01-02
EP0556773A1 (fr) 1993-08-25
ES2089604T3 (es) 1996-10-01
DE69303053D1 (de) 1996-07-18

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