EP0755650B1 - Machine à laver la vaisselle avec réservoir de détergent et d'agent éclaircissant associé à un panier mobile - Google Patents

Machine à laver la vaisselle avec réservoir de détergent et d'agent éclaircissant associé à un panier mobile Download PDF

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Publication number
EP0755650B1
EP0755650B1 EP19950111877 EP95111877A EP0755650B1 EP 0755650 B1 EP0755650 B1 EP 0755650B1 EP 19950111877 EP19950111877 EP 19950111877 EP 95111877 A EP95111877 A EP 95111877A EP 0755650 B1 EP0755650 B1 EP 0755650B1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
container
brightener
detergent
tub
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.)
Revoked
Application number
EP19950111877
Other languages
German (de)
English (en)
Other versions
EP0755650A1 (fr
Inventor
Andreas c/o Whirlpool Italia S.P.A. Wlasak
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 Corp
Original Assignee
Whirlpool Corp
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8219476&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0755650(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Whirlpool Corp filed Critical Whirlpool Corp
Priority to EP19950111877 priority Critical patent/EP0755650B1/fr
Priority to DE1995627058 priority patent/DE69527058T2/de
Priority to ES95111877T priority patent/ES2176268T3/es
Publication of EP0755650A1 publication Critical patent/EP0755650A1/fr
Application granted granted Critical
Publication of EP0755650B1 publication Critical patent/EP0755650B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4445—Detachable devices
    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/502—Cutlery baskets

Definitions

  • This invention relates to a dishwasher in accordance with the introduction to the main claim.
  • Dishwashers comprising a detergent container associated with one of their trays, said detergent being able to be fed into the tub during at least one particular operating stage of the dishwasher.
  • EP-A-0517015 describes a dishwasher comprising a tray with which there is associated a container-dispenser for the detergent, which is fed into the tub specifically during the kitchenware prewash stage.
  • a container-dispenser for the detergent which is fed into the tub specifically during the kitchenware prewash stage.
  • the dishwasher is still provided with the traditional detergent container-dispenser which, in known manner, is usually positioned on the tub access door.
  • the tub access door is provided internally with containers for the detergent and brightener.
  • the necessary members to enable the usual detergent container closure element to be opened when this is required by the particular operating stage of the dishwasher.
  • the necessary members for feeding a controlled quantity of brightener into the tub must also be provided within this structure the necessary members for feeding a controlled quantity of brightener into the tub.
  • US-A-2895646 discloses a dishwashing machine having one rack only, such rack being provided with a drying agent dispenser consisting of an inverted bottle.
  • An object of the present invention is to provide a dishwasher which obviates the drawbacks of known dishwashers and which, in particular, has a tub with a useful volume greater than these latter.
  • a further object is to provide a dishwasher in which each of its trays has a greater loading capacity than the trays of similar know dishwashers.
  • a further object is to provide a dishwasher of the stated type into which the detergent and brightener can be fed in a simple and rapid manner.
  • a further object is to provide a dishwasher of the stated type which is of reliable use.
  • a dishwasher is indicated overall by 1 and comprises a cabinet 2, an internal tub 3, and a door 4 positioned on an aperture 5 providing access to the tub 3.
  • trays 6 and 7 movable in known manner along usual guides (not shown) present in the tub 3 and arranged to support kitchenware to be washed.
  • Usual rotors 9 and 10 are provided to feed water jets towards the trays, said rotors being fed via pipes 11 and 12 respectively.
  • On the roof 13 of the tub 3 there is provided a further diffuser 15 for water fed via a pipe 16.
  • This latter and the pipes 11 and 12 are at least partially positioned external to the tub 3 within the cabinet 2, and are connected to a usual pump 17.
  • the dishwasher 1 also comprises usual operation control members 18 for example positioned on the outside 20 of the door 4.
  • a detergent container 23 and a brightener container 24 are associated with the (upper) tray 6, preferably with that side 22 thereof facing the door 4.
  • These containers preferably positioned one to the side of the other, are provided with their own closure elements 25, for example cooperating with the respective container by screwing.
  • Other fastener devices are however possible for fastening each element 25 to its container.
  • the detergent container 23 is connected to the pipe 12 via a pipe 27 associated with the container 6 and movable therewith.
  • the pipe 27 can be removably connected watertightly in known manner, for example by a snap connector, to the pipe 12.
  • the container can also be removed from the tub 3 and then reinserted into it, while still obtaining a watertight connection between the free end 27A of the pipe 27 and the free end 12A of the pipe 12 such as to be able to feed to the container 23 a sufficient quantity of water for the purpose indicated hereinafter.
  • the container 24 is used for containing the brightener, as stated.
  • the closure element has an internal cavity 24A of suitable known shape such as to enable the closure element 25 to be removed from it without the liquid (brightener) contained in it being able to escape (obviously while maintaining the tray 6 in position on the relative guides - not shown - or parallel to itself).
  • the closure element has a body 33 comprising usual seal members 35 (only one of which is shown in Figure 3) and a threaded portion 36 arranged to cooperate with a suitable seat in the container 24.
  • the closure element 25 comprises means 38 for expelling the brightener from said container.
  • the expulsion means 38 comprise a member 40 movable against a spring 41 within a seat 42 provided in the body 33 of the closure element 25.
  • This movable member comprises a first widened end 43 supporting a magnetic body 45 of known polarity and facing the door 4, said end 43 cooperating with the spring 41 located in the seat 42 and resting with its free end 47 on a step 48 of this seat. From this latter there extends a duct 50 which communicates with the cavity 24A of the container 24.
  • This member comprises for example a substantially mushroom-shaped element 59 movable against a spring 60 positioned within a widened portion 62 of the duct 56.
  • the element 59 comprises a stem 63 movable within an end portion 66 of said duct, but of lesser cross-section than this latter.
  • the widened head 67 of the element 59 this head being subjected to the action of the spring 60, closes an initial portion 69 of the duct 56 (with reference to the cavity 24A) when no brightener flows from the container 24.
  • an electromagnet 70 powered via a cable 71 connected to the aforesaid control members 18.
  • Said electromagnet is of small overall size, and its presence does not result in a noticeable increase in the thickness of the door 4, which in any event is much narrower than the doors of known dishwashers.
  • the pipe 12 is provided with a valve member 80 opened and closed under the control of the members 18 on the basis of the actual operating stage of the dishwasher. Finally, to the side of the containers 23 and 24 there is provided a compartment 88 for cutlery or for small objects to be washed.
  • the described dishwasher 1 is used in the following manner.
  • valve 80 remains closed so as to feed water only to the (lower) rotor 11 and to the diffuser 15. A prewash stage is then carried out without using detergent. The said operating condition is maintained even when the dishwasher is only rinsing the kitchenware positioned on the trays 6 and 7.
  • valve 80 is opened and the pump 17 also feeds water to the pipe 12. This water reaches the pipe 27 and penetrates into the container 23 to remove therefrom the detergent present in it. The water with detergent then reaches the upper rotor 9 and is fed into the tub 3 to achieve optimum distribution of the detergent and complete washing of the kitchenware.
  • the electromagnet 70 is electrically powered during the use of the dishwasher in accordance with the requirements for feeding the brightener.
  • a repulsive force is generated on the magnet 45 which causes the member 40 to move against the spring 41 within the seat 42.
  • the end 53 of this member penetrates into the cavity 24A to generate a pressure on the liquid contained in it.
  • This pressurized liquid passes into the duct 56 and presses against the valving member 57.
  • This moves within the portion 62 of the duct 56 against the spring, its head 67 opening the portion 69 of said duct.
  • the brightener is hence able to pass from the cavity 24A into the portion 62 and then through the portion 66 of the duct to pass into the tub 3.
  • the useful space for arranging the trays 6 and 7 is greater than in known dishwashers,and the dishwasher of the invention has a likewise greater loading capacity.
  • the door 4 no longer has to comprise special members as in known dishwashers, it can be constructed of plastics material with obvious advantages in terms of production and lightness of the dishwasher.

Claims (10)

  1. Lave-vaisselle (1) comprenant une cuve (3) fermée par une porte (4) et contenant des paniers amovibles supérieur et inférieur (6,7) pour supporter la vaisselle (14) devant être lavée, des moyens de lavage (9,10,15) pour projeter des jets d'eau en direction de ladite vaisselle (14), des canalisations (11,12,16) pour amener l'eau auxdits moyens de lavage (9,10,15) et des moyens (17) pour amener l'eau auxdits canalisations, le panier supérieur (6,7) comprenant un récipient (23) apte à contenir une quantité suffisante de détergent pour l'exécution d'au moins une étape de fonctionnement du lave-vaisselle (1), caractérisé en ce que ledit panier supérieur (6) comprend un autre récipient (24) pour l'agent lustrant, lesdits récipients (23,24) étant placés tous deux sur un côté (22) du panier supérieur (6) en face de la porte (4).
  2. Lave-vaisselle selon la revendication 1, caractérisé en ce que des moyens mécaniques (38) sont prévus de manière à être associés de façon opérationnelle audit autre récipient (24) pour éjecter l'agent lustrant et l'envoyer dans la cuve (3).
  3. Lave-vaisselle selon la revendication 2, caractérisé en ce que les moyens mécaniques (38) sont un élément (40) déplaçable par rapport au récipient (24) contenant l'agent lustrant et sont agencés pour créer, dans une cavité (24A) de ce récipient, dans lequel ledit agent lustrant est placé, une pression apte à éjecter ledit agent lustrant hors dudit récipient (24).
  4. Lave-vaisselle selon la revendication 3, caractérisé en ce que l'élément mobile (40) est soumis à la force d'un ressort (41) qui s'oppose à son déplacement.
  5. Lave-vaisselle selon la revendication 3, caractérisé en ce que l'élément mobile supporte un élément magnétique (45) ayant une polarité connue, tournée vers la porte (4) et agencé de manière à coopérer avec un électroaimant (70) positionné sur ladite porte, ledit électroaimant (70) étant alimenté de façon connue pendant une étape particulière du fonctionnement du lave-vaisselle (1) de manière à produire une force magnétique agissant sur l'élément magnétique (45) de manière à amener l'élément mobile (40) à se déplacer, avec l'expulsion d'une quantité dosée d'agent lustrant.
  6. Lave-vaisselle selon la revendication 3, caractérisé en ce que la cavité (24A) dans le récipient (24) pour l'agent lustrant communique avec la cuve (3) par l'intermédiaire d'un conduit (56) pourvu d'un élément à effet de soupape unidirectionnel (57).
  7. Lave-vaisselle selon la revendication 1, caractérisé en ce que le récipient à détergent (23) est raccordé à une canalisation d'entrée (27) apte à être raccordée de façon amovible d'une manière étanche à l'eau à l'une (12) des canalisations d'amenée d'eau (11,12,16) à partir dudit récipient (23), tandis qu'à partir dudit récipient (23) s'étend également une canalisation de sortie (30) raccordée aux moyens de lavage (9) associés au panier supérieur (6), à une canalisation d'entrée (27) introduisant l'eau dans ledit récipient (23) de manière à retirer le détergent du récipient et l'envoyer aux moyens de lavage (9).
  8. Lave-vaisselle selon la revendication 7, caractérisé en ce qu'une soupape commandable (14) est positionnée dans la canalisation d'amenée d'eau (12) raccordée à la canalisation d'entrée (27) aboutissant au récipient à détergent (23) de manière à interrompre l'écoulement d'eau en direction dudit récipient pendant des étapes particulières de fonctionnement du lave-vaisselle.
  9. Lave-vaisselle selon la revendication 1, caractérisé en ce que les récipients (23,24) pour le détergent et pour l'agent lustrant possèdent une forme qui permet de les charger avec lesdits produits, tout en maintenant le panier supérieur (6) dans la cuve (3) ou dans une position analogue à celle prise dans cette dernière.
  10. Lave-vaisselle selon la revendication 1, caractérisé en ce que les récipients (23,24) pour le détergent et pour l'agent lustrant sont équipés d'un compartiment (88) pour les couteaux et l'argenterie ou pour de petits objets.
EP19950111877 1995-07-28 1995-07-28 Machine à laver la vaisselle avec réservoir de détergent et d'agent éclaircissant associé à un panier mobile Revoked EP0755650B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19950111877 EP0755650B1 (fr) 1995-07-28 1995-07-28 Machine à laver la vaisselle avec réservoir de détergent et d'agent éclaircissant associé à un panier mobile
DE1995627058 DE69527058T2 (de) 1995-07-28 1995-07-28 Geschirrspülmaschine mit Waschmittel- und Aufhellerdosiervorrichtung angeordnetet auf einem beweglichen Korb
ES95111877T ES2176268T3 (es) 1995-07-28 1995-07-28 Lavavajillas con recipiente para detergente y recipiente para abrillantador asociados con una bandeja movil del mismo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19950111877 EP0755650B1 (fr) 1995-07-28 1995-07-28 Machine à laver la vaisselle avec réservoir de détergent et d'agent éclaircissant associé à un panier mobile

Publications (2)

Publication Number Publication Date
EP0755650A1 EP0755650A1 (fr) 1997-01-29
EP0755650B1 true EP0755650B1 (fr) 2002-06-12

Family

ID=8219476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950111877 Revoked EP0755650B1 (fr) 1995-07-28 1995-07-28 Machine à laver la vaisselle avec réservoir de détergent et d'agent éclaircissant associé à un panier mobile

Country Status (3)

Country Link
EP (1) EP0755650B1 (fr)
DE (1) DE69527058T2 (fr)
ES (1) ES2176268T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9173542B2 (en) 2012-09-05 2015-11-03 Whirlpool Corporation Dishwasher with offset open face

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT243409Y1 (it) * 1997-01-29 2002-03-04 Electrolux Zanussi Elettrodome Lavastoviglie con distributore di detersivo
IT243436Y1 (it) * 1997-10-21 2002-03-04 Electrolux Zanussi Elettrodome Distributore di detersivo monodose per lavastovigliee simili
FR2785785B1 (fr) * 1998-11-18 2001-02-23 Esswein Sa Distributeur de produits pour lave-vaisselle
EP1319360B1 (fr) * 2001-12-06 2004-04-14 CANDY S.p.A. 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
ITTO20030214A1 (it) 2003-03-24 2004-09-25 Merloni Elettrodomestici Spa Macchina di lavaggio comprensiva di dispensatore di agenti
US7475696B2 (en) 2003-06-17 2009-01-13 Whirlpool Corporation Dishwasher having valved third-level sprayer
US7445013B2 (en) 2003-06-17 2008-11-04 Whirlpool Corporation Multiple wash zone dishwasher
US7523758B2 (en) 2003-06-17 2009-04-28 Whirlpool Corporation Dishwasher having rotating zone wash sprayer
ITTO20040529A1 (it) * 2004-07-29 2004-10-29 Eltek Spa Dispositivo dispensatore di agenti di lavaggio per macchine lavastoviglie.
DE102004063275A1 (de) * 2004-12-29 2006-07-13 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltgerät
DE102006018539A1 (de) * 2006-04-21 2007-10-25 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine, insbesondere Haushalt-Geschirrspülmaschine
DE602006011304D1 (de) * 2006-07-25 2010-02-04 Electrolux Home Prod Corp Geschirrspüler mit ausziehbarem Geschirrkorb und Korb dafür
US8734591B2 (en) 2010-12-03 2014-05-27 Whirlpool Corporation Dishwasher with auxiliary, tough soil chemistry dispensing system
US9259138B2 (en) 2010-12-07 2016-02-16 Whirlpool Corporation Dishwasher with auxiliary spray system having removable sprayers
US9119517B2 (en) 2011-10-17 2015-09-01 Whirlpool Corporation Dishwasher having spray manifold and method for controlling same
US9743821B2 (en) 2012-04-16 2017-08-29 Whirlpool Corporation Dispenser for multi-compartment dishwasher
US9848754B2 (en) 2012-11-19 2017-12-26 Whirlpool Corporation Dish rack with dispenser unit
DE102013111240A1 (de) * 2012-11-19 2014-05-22 Whirlpool Corporation (A Delaware Corporation) Spülgutaufnahme mit Ausgabe-Einheit
US10076224B2 (en) 2014-01-20 2018-09-18 Whirlpool Corporation Dishwasher

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552852A (en) * 1945-10-16 1951-05-15 Westinghouse Electric Corp Dishwashing apparatus having detergent dispensing means
US2671037A (en) * 1949-09-10 1954-03-02 Gen Electric Method of washing dishes or the like
US2895646A (en) * 1956-12-03 1959-07-21 Federighi George Joseph Drying agent dispenser for use with a dishwashing machine
GB1040925A (en) * 1961-10-24 1966-09-01 Bulpitt & Sons Ltd Improvements in or relating to washing machines
IT1250392B (it) 1991-06-07 1995-04-07 Zanussi Elettrodomestici Lavastoviglie con distributore di detersivo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9173542B2 (en) 2012-09-05 2015-11-03 Whirlpool Corporation Dishwasher with offset open face

Also Published As

Publication number Publication date
EP0755650A1 (fr) 1997-01-29
DE69527058D1 (de) 2002-07-18
ES2176268T3 (es) 2002-12-01
DE69527058T2 (de) 2002-10-31

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