EP1319360B1 - Lave-vaisselle avec une porte comportant un panneau avec un évidement, ainsi qu'un doseur/distributeur pour l' agent de lavage supporté par le panier supérieur - Google Patents

Lave-vaisselle avec une porte comportant un panneau avec un évidement, ainsi qu'un doseur/distributeur pour l' agent de lavage supporté par le panier supérieur Download PDF

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Publication number
EP1319360B1
EP1319360B1 EP20010830746 EP01830746A EP1319360B1 EP 1319360 B1 EP1319360 B1 EP 1319360B1 EP 20010830746 EP20010830746 EP 20010830746 EP 01830746 A EP01830746 A EP 01830746A EP 1319360 B1 EP1319360 B1 EP 1319360B1
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EP
European Patent Office
Prior art keywords
washing chamber
detergent
washing
compartment
drawer
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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
EP20010830746
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German (de)
English (en)
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EP1319360A1 (fr
Inventor
Silvano Fumagalli
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Candy SpA
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Candy SpA
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Publication date
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Priority to DE2001602828 priority Critical patent/DE60102828T2/de
Priority to EP20010830746 priority patent/EP1319360B1/fr
Publication of EP1319360A1 publication Critical patent/EP1319360A1/fr
Application granted granted Critical
Publication of EP1319360B1 publication Critical patent/EP1319360B1/fr
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    • 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
    • A47L15/4445—Detachable devices

Definitions

  • the present invention relates to a domestic dishwasher machine, with a front loading door, a counterdoor entirely drawn into recess and a detergent measurer/dispenser supported by the upper rack.
  • control and programming devices as well as dispenser devices of detergent and of washing additives, which must be actuated by the user, are all housed in the interspace comprised between an outer front panel of the loading door and an inner panel, also referred to as liner or counterdoor, which seals closed the washing chamber.
  • Command and programming devices can therefore be accessed either directly on a front instrument panel or on the upper edge of the door, with a limited opening of the door.
  • Dispenser devices of the detergent and of possible additives can be accessed, for the loading thereof, with the complete opening of the door.
  • This solution does not require a greater vertical size of the machine and allows an optimal exploitation of the volume available. It is also particularly ergonomic.
  • the dishwasher machine according to the present invention is based upon the following considerations and on the design criteria which derive therefrom:
  • the dishwasher machine essentially comprises a washing chamber 1, generally made of stainless steel, having a bottom, a top wall, a rear wall and two side walls, housed in_an encasement 2 and closed, with a watertight seal, by a front door 3, hinged to the container in its lower part.
  • a washing chamber generally made of stainless steel, having a bottom, a top wall, a rear wall and two side walls, housed in_an encasement 2 and closed, with a watertight seal, by a front door 3, hinged to the container in its lower part.
  • the encasement and the door are sized so as to be able to be housed built-in under a work surface 4, with the front door 3 masked by a panel 5.
  • the front loading door consists of a flat front panel 6 and of a stainless steel counterdoor 7, conveniently drawn, e.g shaped by press drawing, to form a recess surrounded by a raised frame 8 which engages to form a seal with a gasket 9, mounted near to the edge of the washing chamber.
  • the interspace 10 between front panel and counterdoor, is used to house the control devices which are accessible, in the models foreseen for built-in installation, from the upper edge 11 of the door, when the door is at least partially open.
  • the measuring and dispensing devices for the detergent and the additives are also housed in the interspace.
  • the counterdoor panel can be drawn into recess in just the lower part and not also in the upper part, as illustrated.
  • the measuring/dispensing device is divided in two distinct components: a detergent measuring/dispensing device, with an extremely simple structure (essentially it involves a sliding drawer, with two compartments in line, housed in a dead zone of the washing chamber and supported by the upper rack with which the dishwasher machine is usually provided) and, separate from this, an additive measurer/dispenser 13, with the relative reservoir 12, housed in the interspace between one of the side walls of the washing chamber and the corresponding outer wall of the dishwasher machine.
  • a detergent measuring/dispensing device with an extremely simple structure (essentially it involves a sliding drawer, with two compartments in line, housed in a dead zone of the washing chamber and supported by the upper rack with which the dishwasher machine is usually provided) and, separate from this, an additive measurer/dispenser 13, with the relative reservoir 12, housed in the interspace between one of the side walls of the washing chamber and the corresponding outer wall of the dishwasher machine.
  • FIG 2 where, in a front view, a portion of the upper rack 16 is shown which is generally intended, and for this purpose designed, to house a set of dishes 17, arranged vertically one behind the other, suitably distanced.
  • a sprayer 19 is rotatably mounted, with opposing horizontal arms, which receives, in a known manner, through a horizontal manifold 21 (figure 1) the jet of liquid detergent coming out of one or the other of the two nozzles 22A, 22B arranged, as shown in figure 1, on the rear wall 23 of the washing chamber, at a different height, mutually closed and opened, in a known manner, according to the vertical position of the upper rack which, as is known, can be installed by the user, according to requirements, in one or the other of the two vertical positions.
  • a horizontal manifold 21 figure 1
  • the dead zone 24 can also comprise the volume of the washing chamber, arranged below the rack, outside and peripheral with respect to the cylindrical volume occupied by the sprayer 19 during the course of its rotation.
  • figures 3, 4 and 5 represent in detail the structure of a preferred embodiment of a detergent measurer, respectively in a central vertical section view, with the drawer in the extracted loading position, in a transversal section view according to view I-I of figure 3 and in a central vertical section view, with the drawer in work position.
  • the measurer consists of a prismatic tubular container 25, equipped on the outside with attachment means (not illustrated), such as U-bolts and the like, at the metallic lattice which forms the rack 16 and which is conveniently shaped to form a sort of housing for the container 25.
  • a drawer 26 In the container 25 is housed, capable of sliding axially, in the direction perpendicular to the front of the dishwasher machine, a drawer 26 with two compartments in line, 27, 28, open at the top.
  • the drawer 26, at its inner end, is equipped with an elastic tab 29, with an end stop tooth 30, capable of sliding in a lower slot 31 of the container 25.
  • the elasticity of the tab 29 allows, if desired, the disengagement of the tooth and the complete withdrawal of the drawer 26 from the container 25, for the replacement thereof with a drawer of a different type, as shall be seen later on.
  • the drawer When the drawer is in load position it extends beyond the front 32 of the upper rack and the two compartments 27, 28 are easily accessible for the loading of detergent, in a comfortable position, because it is raised with respect to the plane of the completely open loading door.
  • the accessibility is further eased by the possibility of wholly or partially extracting, from the washing chamber, the upper rack which, as is known, is mounted on sliding guides.
  • the work position of the drawer 26, represented in figure 5, is defined by the interference with a nozzle 33, for spraying and withdrawing detergent, integral with the container 25 and whose end inserts into an opening 34 which is conical and/or has support shoulders, made in the most inner wall 35 of the compartment 28.
  • the compartment 28 is entirely closed in the container 25 and it is protected by this against the infiltration of sprays and of liquid.
  • the compartment 27 is at least partially open.
  • the liquid which accumulates in the compartment 27 dissolves the detergent (in granules, powder or tablets) contained in the compartment or mixes with the possible liquid detergent, and overflowing causes its withdrawal.
  • the drawer 26 is designed for the use of solid detergent and both the compartment 27 and the compartment 28 are equipped with at least one discharge opening 36, 37 respectively, arranged near to the base of the compartments, through which the liquid spray, enriched with detergent, even only partly dissolved, can flow into the washing chamber.
  • the withdrawal of the detergent contained in the compartment 28 (washing detergent) protected from sprays, is carried out with a flow of liquid sent into the compartment through the nozzle 33 and is only activated in a predetermined intermediate (washing) step of the wash cycle and possibly in steps following this one.
  • the nozzle 33 is connected to a manifold 38 (figure 1) arranged parallel to the manifold 21, separated from this and fed independently or else, alternatively, to a manifold 39 (figure 2) which extends up to a side of the washing chamber to receive the spray jet coming out of one of the two nozzles 40, 41, arranged at different heights, on the side of the washing chamber, corresponding to the two different installation positions of the rack and activated simultaneously in a predetermined step of the wash cycle.
  • a manifold 38 (figure 1) arranged parallel to the manifold 21, separated from this and fed independently or else, alternatively, to a manifold 39 (figure 2) which extends up to a side of the washing chamber to receive the spray jet coming out of one of the two nozzles 40, 41, arranged at different heights, on the side of the washing chamber, corresponding to the two different installation positions of the rack and activated simultaneously in a predetermined step of the wash cycle.
  • Figure 6 represents, in a vertical central section view, a drawer designed for the use of liquid detergent which differs from the previous one in that the discharge openings 36, 37 are not included and are replaced by two inverted siphons 38, 39.
  • the base of the two compartments is slightly raised, to ensure a good draft of the siphons, with an outlet arm which extends beyond the base.
  • a vertical diaphragm 40 separates the compartment 28 from the wall 35 in which there is the opening 34 for coupling with the nozzle 33 and prevents the escape of liquid detergent from the opening 34, whatever the vertical position of said opening.
  • this drawer is simple: the increase in level of the liquid contained in the compartments, caused by the jet sprays (compartment 27) or by the flow fed through the nozzle 33 (compartment 28) causes the activation of the siphon and consequently the rapid discharge of the detergent in the washing chamber.
  • the draw of fig. 6 can be supplied as an interchangeable element with the drawer of figures 3, 4 and 5.
  • the drawer can be adapted to receive both solid and liquid detergent also in combination, according to whether or not auxiliary containers, also by choice, are present.
  • Figures 7, 8 and 9 respectively represent, in a front partial section view, in a composite vertical section view, according to the view II-II of figure 7, and in a view from above, a preferred embodiment of a measuring/dispensing device for rinse aid additives, already shown schematically in figures 1 and 2 (where it is specified by reference numerals 12,13), to be housed in the interspace between one side of the washing chamber and the corresponding outer wall of the encasement.
  • the device essentially comprises a reservoir 41, preferably obtained by the welding of two plastic shells 42, 43 which also form a small discharge chamber 44, in communication with the inside of the reservoir 41 through an opening 45 which can be shut.
  • the reservoir 41 is equipped with an inlet pipe coupling 46, formed integral with the shell 43 and threaded externally, which inserts into an opening of the side 47 of the washing chamber, upon the insertion of a gasket 48.
  • a threaded locking ring 49 screwed onto the pipe coupling 46, locks sealed the reservoir 41 against the side 47.
  • an elbow pipe coupling 50 equipped with a removable closing cap 51 of the screw or bayonet type.
  • the inclination of the rotational axis of the pipe coupling 50, relative to the plane of the side 47, ensures that the pipe coupling is arranged flush with the wall of the washing chamber which can be equipped, by drawing, with a suitable recess (54 in figure 9) for 'at least partially housing the pipe coupling, so that it occupies a minimum volume of the washing chamber and does not interfere with the crockery housed here.
  • the pin shutter device can be replaced in a known manner by a volumetric piston pump.
  • the discharge chamber 44 is equipped with a pipe coupling 57 which inserts, upon the insertion onto the pipe coupling of a gasket 58, into an aperture of the wall 47.
  • a ring nut 59 screwed onto the pipe coupling, ensures the seal between pipe coupling and wall and constitutes a further anchoring of the reservoir to the wall.
  • said discharge chamber 44 can conveniently be equipped with a bayonet type cap 60 with a small peripheral port for the discharge of the additives in the washing chamber.
  • the discharge chamber 44 can carry out the function of volumetric measuring chamber.
  • control and programming devices essentially consist of one or two electronic boards which also function as a support for control buttons and visualisation devices, normally of the LED type.
  • control buttons and the visualisation devices are identified by the reference numeral 61.
  • control devices can be wholly or partly arranged in the interspace between the top of the washing chamber and the corresponding upper wall of the encasement.
  • the controls are easily accessible even only with a limited opening of the loading door, as already takes place in machines foreseen for built-in and fold-away installation.
  • the safety microswitch usually mounted in the loading door, can be moved into the body of the machine, so as to free the loading door from any device which requires an electrical supply.
  • figure 10 is an overall view of the hydraulic diagram of a dishwasher machine of the prior art.
  • the machine is fed from the water mains 91 through an electrovalve 62.
  • the flow of water passes through an anti-backflow device 63 (which prevents a reverse sucking flow in the case of a drop into depression of the water mains) and is conveyed by tubing 64 to a resin decalcifier 65.
  • the supply flow also feeds a container 66 for storing regeneration water, equipped with a discharge 67 for releasing the excess water, opening onto the washing chamber.
  • the decalcified flow leaving the decalcifier is let into the washing chamber 68, crossing a filter 72 in countercurrent with respect to the circulation flow, considered later on.
  • the discharge pipe 80 from the decalcifier to the washing chamber, is split into two pipes 80 and 81, respectively controlled by two electrovalves 76, 69 to avoid the washing liquid crossing the filter 72. This is crossed in countercurrent, as shall be seen later on, only by regeneration water of the decalcifier.
  • a pressure switch interrupts the flow which fills the washing chamber, closing the electrovalve 62 for a predetermined filling level of the washing chamber.
  • the washing or rinsing water contained in the chamber passes through a filter 72, is made to circulate by a circulation pump 70 and feeds the spraying rotors (usually two), housed in the washing chamber, one of which is represented in figure 10 and is identified by the reference numeral 71.
  • the washing/rinsing liquid is discharged by a discharge pump 73 and the washing/rinsing water in the chamber is reintegrated to carry out the subsequent step with the opening of the electrovalve 62 and of the electrovalve 69, if present.
  • the wash cycle is completed by a regeneration step of the decalcifying resin: the hard water contained in the container 66 is discharged, by activating an electrovalve 74, into a reservoir of regeneration salts 75, communicating with the decalcifier 65 and conveyed into the filter 72 with the activation of the electrovalve 76, if present.
  • Figure 11 represents the hydraulic diagram of the dishwasher machine of the present invention which allows these aims to be realised and at the same time takes care of the withdrawal of the detergent in the appropriate step.
  • the difference consists of the fact that the electrovalve 76 is necessarily present and the decalcified water coming out of the decalcifier 65, instead of being discharged directly into the washing chamber, feeds the compartment 28 for the washing detergent through a pipe 81, the electrovalve 69 and the manifold 38, already shown in figure 1 (or the equivalent manifold 39 of figure 2).
  • a wash cycle comprises, essentially in order, the cold prewash, cold rinse, hot wash, 1st cold rinse, 2nd hot rinse with drying of the crockery and regeneration steps:
  • the prewash liquid is discharged by the pump 73.
  • the electrovalve 62 is again opened and together with this also the electrovalve 69 is made to open.
  • the decalcified water before discharging into the chamber, withdraws the detergent from the compartment 28. Then it is heated, made to circulate and finally discharged.
  • the opening of the only electrovalve 62 determines the loading of hard rinsing water coming from the container 66, which is then discharged.
  • the electrovalves 74 and 76 are opened jointly and, simultaneously or successively, the discharge pump is activated: the hard water contained in the container 66 passing into the reservoir 75 and into the decalcifier 65, takes care of the regeneration of the resins and at the same time of the washing in countercurrent of the filter 72.
  • the feeding of the washing chamber with hard water instead of coming out of the container 66, can be obtained in a faster manner (the partialisation hole of the anti-backflow device substantially limits the flow rate) with an electrovalve 77, connected to the water mains, which allows entry directly into the washing chamber above the maximum filling level of the washing chamber.
  • the anti-backflow device is not necessary: it is the washing chamber which carries out this function.
  • a switch valve 78 arranged on the pipe 64, which sends the hard water to the decalcifier or directly into the washing chamber.
  • the same function of the switch valve can be carried out by two distinct electrovalves, commanded to open alternately.
  • the reservoir 75 for the regeneration salts can be at least partly housed in the interspace between the side wall of the washing chamber, opposite the one which the additive measurer/dispenser faces, and the corresponding outer wall.
  • the reservoir for the regeneration salts can be equipped with a loading pipe coupling which is similar or identical to that of the reservoir for the additives.
  • Figure 12 schematically represents a front partial section view of the body of a dishwasher machine which advantageously incorporates all of the aspects indicated above.
  • the measuring/dispensing device 15 is arranged in the washing chamber and is supported by the upper rack 16, so as to be easily accessible.
  • the reservoir 12 for the rinse aid additives, with the relative measurer, is housed in the interspace between a side of the washing chamber and the corresponding outer wall of the encasement.
  • the loading pipe coupling 50 of the reservoir 12 opens on one side of the washing chamber, in an easily accessible position.
  • the reservoir 75 for containing the regeneration salts, already having a per se reduced size, together with that of the decalcifier 65, for the selective use of decalcified water and the consequent reduction in the decalcification and regeneration operations, is equipped with a pipe 85, which constitutes an upward extension thereof with the consequent increase in the volumetric capacity, housed in the interspace between the other side of the washing chamber (opposite the one in which the pipe coupling 50 opens) and the corresponding outer wall.
  • the pipe 85 opens into the washing chamber with a loading pipe coupling 86, similar to the pipe coupling 50 and easily accessible from the front of the machine, with the loading door open.
  • the pipe 85 itself, to a large extent, constitutes a container of regeneration salts which allows a reduction in the size of the reservoir 75, arranged below the washing chamber and, unlike that which is foreseen in the prior art, without a loading pipe coupling arranged on the base of the washing chamber, which involves, as is known, a certain vertical size and a constructive limitation, since it must not interfere with the lower rotor.
  • the smaller size of the reservoir 75 and the absence of a loading pipe coupling on the base of the washing chamber allow the base of the washing chamber, as well as the lower spraying rotor 82, the protective filter grill 83, the heating resistance 84 and the lower rack 87 to be lowered to the great advantage of the useful volume of the washing chamber.
  • the base of the washing chamber can be lowered with an increase in the useful volume of the washing chamber in its lower part.
  • the different devices which require a manual intervention are more easily accessible, since they are equipped with loading openings arranged substantially half way up (40-50 cm from the floor) the body of the machine, unlike that which takes place in the dishwasher machines of the prior art.

Claims (5)

  1. Lave-vaisselle domestique, dans lequel une chambre de lavage (1) comportant une paroi supérieure, une paroi inférieure, une paroi arrière (23) et deux parois latérales, est logée dans une enceinte (2) avec formation d'un espace intercalaire entre lesdites parois et des parois correspondantes de l'enceinte et est fermée au niveau du côté avant par une porte de chargement (3), pouvant être ouverte et qui est articulée dans sa partie inférieure, ladite porte de chargement comprenant un panneau avant extérieur (6) et une contre-porte ou un habillage intérieur (7) comportant un renfoncement, entouré par un cadre relevé (8) et s'étendant essentiellement sur toute la hauteur de la contre-porte, ladite chambre de lavage (1) logeant une étagère (16), au moins un dispositif de pulvérisation (19) alimenté en eau par l'intermédiaire d'un premier collecteur (18, 21),
    ladite machine comprenant en outre:
    un dispositif de mesure/distribution de détergent (15) comportant un tiroir (26) possédant au moins un compartiment (28) pour contenir le détergent,
    des moyens d'alimentation en eau (62, 65, 81) pour envoyer un écoulement de liquide dans ledit au moins un compartiment au cours d'au moins une étape intermédiaire prédéterminée de lavage du cycle de lavage, et
    un dispositif additionnel de mesure/distribution (12, 13),
    caractérisé en ce que:
    ledit dispositif de mesure/distribution de détergent (15) comprend un récipient (25), supporté par ladite étagère supérieure (16) et logeant ledit tiroir (25) et protégeant ledit au moins un compartiment (28) vis-à-vis de jets lorsque le tiroir (26) est fermé,
    en ce que lesdits moyens d'alimentation en eau (62, 65, 81) comprennent un second collecteur (38, 39) supporté par ladite étagère supérieure et amenant, en cours d'utilisation, de l'eau dans ledit dispositif de mesure/distribution du détergent, et
    ledit dispositif de mesure/distribution (12, 13) est logé dans l'espace intercalaire entre une. paroi latérale de ladite chambre de lavage (1) et une paroi extérieure correspondante du boítier (2).
  2. Lave-vaisselle selon la revendication 1, dans lequel les dispositifs de commande et de programmation (61) dudit lave-vaisselle sont logés dans l'espace intercalaire entre au moins une paroi de ladite chambre de lavage et une paroi extérieure correspondante et sont accessibles au niveau d'un bord avant dudit lave-vaisselle, ladite porte de chargement (3) étant exempte de toute connexion électrique.
  3. Lave-vaisselle selon la revendication 1 ou 2, dans laquelle lesdits moyens d'alimentation en eau comprennent un adoucisseur (65) pour envoyer un écoulement d'eau adoucie dans ledit compartiment de combinaison du détergent (28) et des moyens de contournement (67, 77, 78) dudit adoucisseur, pour convoyer directement un écoulement d'eau dure à ladite chambre de lavage, sans passer par ledit compartiment (28) contenant le détergent.
  4. Lave-vaisselle selon l'une quelconque des revendications précédentes, dans lequel ledit tiroir (26) comprend un second compartiment contenant un détergent, exposé aux jets dans ladite chambre de lavage.
  5. Lave-vaisselle selon l'une quelconque des revendications précédentes, dans lequel ledit dispositif additif de mesure/distribution (12, 13) comprend un réservoir (41) équipé d'un raccord (50) de tube de chargement, exposé dans ladite chambre de lavage et pouvant être dirigé de manière à prendre une position de charge et une position occupant une quantité minimale d'espace dans ladite chambre de lavage.
EP20010830746 2001-12-06 2001-12-06 Lave-vaisselle avec une porte comportant un panneau avec un évidement, ainsi qu'un doseur/distributeur pour l' agent de lavage supporté par le panier supérieur Expired - Lifetime EP1319360B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2001602828 DE60102828T2 (de) 2001-12-06 2001-12-06 Haushaltsgeschirrspülmaschine mit einer Tür, die ein eine Vertiefung aufweisenden Paneel aufweist, sowie einen Geschirrspülmitteldosierbehälter, der vom oberen Geschirrkorb gestützt ist
EP20010830746 EP1319360B1 (fr) 2001-12-06 2001-12-06 Lave-vaisselle avec une porte comportant un panneau avec un évidement, ainsi qu'un doseur/distributeur pour l' agent de lavage supporté par le panier supérieur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20010830746 EP1319360B1 (fr) 2001-12-06 2001-12-06 Lave-vaisselle avec une porte comportant un panneau avec un évidement, ainsi qu'un doseur/distributeur pour l' agent de lavage supporté par le panier supérieur

Publications (2)

Publication Number Publication Date
EP1319360A1 EP1319360A1 (fr) 2003-06-18
EP1319360B1 true EP1319360B1 (fr) 2004-04-14

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EP20010830746 Expired - Lifetime EP1319360B1 (fr) 2001-12-06 2001-12-06 Lave-vaisselle avec une porte comportant un panneau avec un évidement, ainsi qu'un doseur/distributeur pour l' agent de lavage supporté par le panier supérieur

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DE (1) DE60102828T2 (fr)

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US9173542B2 (en) 2012-09-05 2015-11-03 Whirlpool Corporation Dishwasher with offset open face

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EP1554970B1 (fr) 2004-01-15 2011-08-24 Electrolux Home Products Corporation N.V. Dispositif et procédé d'apport des agents de nettoyage dans un appareil ménager de conduisant du liquide
DE102004063286B4 (de) 2004-12-29 2023-04-20 BSH Hausgeräte GmbH Geschirrspülmaschine mit einer Auflösungskammer
FR2885789B1 (fr) * 2005-05-19 2013-04-05 Brandt Ind Receptacle a detergent, notamment pour appareil electromenager du type lave-vaisselle
FR2885788B1 (fr) * 2005-05-19 2007-06-29 Brandt Ind Sas Machine a laver la vaisselle avec une boite a produits lessiviels
TR200801238T1 (tr) * 2005-08-26 2008-07-21 Arçeli̇k Anoni̇m Şi̇rketi̇ Bir bulaşık makinası
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EP1319360A1 (fr) 2003-06-18
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