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EP2461731B1 - Appareil ménager véhiculant de l'eau - Google Patents

Appareil ménager véhiculant de l'eau Download PDF

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Publication number
EP2461731B1
EP2461731B1 EP10736691.6A EP10736691A EP2461731B1 EP 2461731 B1 EP2461731 B1 EP 2461731B1 EP 10736691 A EP10736691 A EP 10736691A EP 2461731 B1 EP2461731 B1 EP 2461731B1
Authority
EP
European Patent Office
Prior art keywords
storage container
water
domestic appliance
appliance according
bearing domestic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10736691.6A
Other languages
German (de)
English (en)
Other versions
EP2461731A1 (fr
Inventor
Christian Ertl
Bernd Heisele
Michael Lugert
Karl Wirth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL10736691T priority Critical patent/PL2461731T3/pl
Publication of EP2461731A1 publication Critical patent/EP2461731A1/fr
Application granted granted Critical
Publication of EP2461731B1 publication Critical patent/EP2461731B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • 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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0057—Cleaning of machines parts, e.g. removal of deposits like lime scale or proteins from piping or tub
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms

Definitions

  • the invention relates to a water-conducting household appliance, in particular a dishwasher, with a liquid storage container, in particular a storage container in which rinsing liquid is temporarily stored.
  • the rinse water is deposited from a rinse to the next rinse in the storage tank and used to pre-rinse the items to be washed in the dishwasher.
  • wash program consisting of a number of partial program steps, e.g. Pre-rinsing, cleaning, intermediate rinsing, rinsing and drying, e.g. after rinsing no longer required rinsing liquid in the storage container, or generally in a storage container, cached and reused in a subsequent part program step, for example, the pre-rinsing.
  • an automatic dishwashing machine with a washing container which is connected to a drain line via a pump.
  • the dishwasher further comprises at least one reservoir having an inlet and an outlet and receiving at least a portion of the water from at least one of the rinse phases to reuse the water during a subsequent phase of operation.
  • the outlet of the reservoir is upstream of the pump with the wash tank via a siphon-like arrangement in connection.
  • the object of the invention is to provide a water-conducting domestic appliance, in particular a dishwasher, in which such soiling can be eliminated in a simple manner.
  • At least one inflowing and / or outflowing flushing liquid is arranged in the liquid space of the storage tank and deflecting and / or dividing flow guide arranged. In this way it can be achieved that the entire liquid space during filling, emptying or flowing through the storage container is subjected to flow. Flow-free zones within the storage container can therefore be eliminated, whereby a removal of dirt particles is ensured. Accordingly, neither odor or hygiene problems nor functional impairments of the storage container arise due to conglomerations of dirt particles.
  • a laminar or turbulent flow pattern can therefore be generated in the liquid space of the storage container.
  • the at least one flow guide element can delimit a flow channel in the liquid space.
  • the flow channel may extend in a circular or meandering manner through the liquid space of the storage container.
  • the flow channel can follow an edge contour of the inner wall of the storage container. Regions removed from an inlet opening of the storage container can thus be subjected to a targeted flow. Overall, therefore, additional degrees of freedom can be provided with regard to the geometry of the storage container.
  • the flow channel can thus be formed between the flow guide and the container inner wall.
  • the cleaning efficiency in the storage tank cleaning can thus be significantly increased.
  • the flow rate can also be chosen so that the inside of the storage container fixed dirt particles can be mechanically entrained by the liquid flow. Flow rates in the storage container in the order of 20 to 30 l / min are preferred. To further increase the cleaning efficiency, it is advantageous if the rinsing liquid conducted into the storage container is heated to a temperature in the order of 60 to 75 ° C, whereby fat deposits are thermally split and discharged from the storage container.
  • the water-conducting household appliance can flow through the storage tank in a special cleaning mode.
  • rinsing liquid is pumped through a liquid inlet into the storage container and this is returned via an outlet opening, for example, into a rinsing container of the dishwasher.
  • the outlet opening is arranged locally separated from the liquid inlet.
  • the liquid outlet can be shielded from another flow guide with respect to the flow channel, to form a flow passage which connects the flow channel directly to the liquid outlet. In this way it is achieved that on the one hand a main flow flows along the flow channel, while on the other hand a partial flow is passed through the flow passage in the direction of the outlet opening of the storage container.
  • the at least one flow guide can be formed as a guide wall with uniformly low material thickness.
  • the guide wall can be bent or curved accordingly.
  • the guide wall is interrupted according to the invention at least partially with recesses. This can especially at Curvatures on the inside of the guide wall are avoided dead spaces in which otherwise dirt particles can accumulate.
  • the storage container can be made in a simple manner from plastic parts, which in turn have been previously formed three-dimensionally in the plastic injection molding process.
  • the storage container may have two substantially congruent, opposite side walls. The two opposite side walls can be connected in a liquid-tight manner via a narrow peripheral edge.
  • the storage container itself can only have a reduced dimensional stability.
  • the flow guide elements in a double function can serve as such stiffening elements, which connect the opposite side walls of the storage container with each other and define a predetermined distance therebetween.
  • a plurality of flow guide elements are provided, which together effect a substantially circular deflection.
  • two flow guide elements are provided which each cause a substantially semicircular deflection.
  • the flow guide elements are arranged opposite one another.
  • a rinsing liquid flow divided by the at least one flow-guiding element flows in the direction of a liquid outlet.
  • the at least one flow-guiding element divides a rinsing-fluid flow into at least two rinsing-fluid flows of essentially the same size. This allows a simultaneous flow of at least two different areas. But it can also be provided, for example, a three- or four-part of the rinsing liquid flow.
  • Fig. 1 is schematically shown a dishwasher with a, a Spülraum limiting rinse tank 1.
  • a washing compartment of the washing container 1 a not shown, to be cleaned dishes in dish racks 3, 5 are arranged.
  • two spraying arms 7, 8 provided in different spraying levels are arranged by way of example, via which the items to be washed are supplied with washing liquid.
  • a pump pot 11 is provided with a roughly indicated sieve assembly 10. From the sump 11, a recirculation line 9 is guided away with circulating pump 13 arranged therein.
  • the circulation line 9 is fluidly connected via supply lines 14, 15 with the spray arms 7, 8.
  • the circulating pump 13 is connected downstream, called a water heater heating element, such as a water heater.
  • the sump 11 is also connected via connecting pieces with a, connected to the water supply network fresh water supply line 16 and a Drain line 17 in conjunction, in which a drain pump 18 is arranged to pump out rinsing liquid from the washing compartment 1.
  • the washing container 1 has at its in the Fig. 1 right side as a storage container 19 a so-called storage container, which is thermally coupled in the manner of a heat exchanger in contact with a side wall 20 of the washing compartment 1.
  • a storage container 19 rinsing liquid can be temporarily stored, which is no longer needed after execution of a partial program step of a rinse cycle.
  • the storage tank 19 is in terms of flow in connection with the washing compartment in its upper area via a ventilation opening 22.
  • the recirculation line 9, the feed lines 14, 15 and the two spray arms 7, 8 are integrated in the liquid circuit of the dishwasher.
  • the storage container 19 is not integrated in the liquid circuit. Rather, downstream of the heating element 12 in the circulation line 9 designed as a three-way switching valve 25 water switch is provided, at which a connecting line 23 branches off, which is connected to an input port 28 of the storage container 19.
  • the three-way switching valve 25 connects in one in the Fig. 2 shown switching position, the circulation line 9 with, leading to the storage tank 19 connecting line 23 and interrupts the flow path to the supply lines 14, 15. This allows in a special cleaning mode, the rinsing liquid on in the Fig. 3 shown inlet opening 28 are pumped into the storage tank 19 and fill this until the rinse liquid enters the rinsing tank 1 via the ventilation opening 22 and along the Spül matterserwand 20 past the dish racks 3, 5 returned to the sump 11 with associated sieve assembly 10 becomes.
  • a storage tank valve 26 is provided.
  • the valve 26 is arranged in the connecting line 23 leading to the storage tank 19 and in its open position during the above-mentioned cleaning mode.
  • the rinse cycle of the dishwasher is started with the pre-rinsing step, in which a rinse water quantity cached in the storage container 19 from the previous rinse cycle is introduced into the sump area of the rinse container 1.
  • the check valve 26 is opened and the three-way valve 25 in the in the Fig. 2 shown switched position.
  • the rinse-aid quantity temporarily stored in the storage container 19 can therefore flow under gravity into the sump area of the rinse container 1.
  • the three-way switching valve 25 in his in the Fig. 1 shown switching position and the circulation pump 13 is started, whereby the rinse water can circulate during the rinse cycle.
  • the used rinsing liquid is pumped off by means of the rinsing pump 18 and then fresh water is fed into the sump area for the following cleaning step.
  • rinsing liquid is pumped into the storage tank 19 at high flow rate by the circulating pump 13. This flows through one in the Fig. 3 shown liquid space 31 of the storage container 19 and exits from a liquid outlet 33 of the storage container 19.
  • the rinsing liquid used during the storage tank cleaning is heated to temperatures of the order of 70 ° C, whereby dirt particles in the liquid space 31 of the storage container 19 solve and can be discharged.
  • the dishwasher is shown in a side view with a storage container 19 shown in full section in a side plane.
  • the storage container 19 is, as already on the basis of Fig. 1 and 2 can be seen directly in contact with the washing-tub side wall 20.
  • the storage tank cleaning is illustrated.
  • the storage tank valve 26 is opened, whereby the circulation pump 13 can pump rinsing liquid via the inlet opening 27 into the liquid space 31 of the storage tank 19.
  • the storage container 19 made of plastic material has substantially two congruent side walls 35, of which in the Fig. 3 only the side wall 35 in abutment with the washing-tub side wall 20 is shown.
  • the side wall 35 has according to the Fig. 3 a peripheral edge flange 37, which may be, for example, in adhesive connection with the opposite side wall.
  • flow guide elements 39 are arranged within the liquid space 31.
  • the flow guide elements 39, 47 are arranged such that a substantially annular main flow I results, which extends along an inner wall of the inner contour 41 of the storage container 19.
  • a substantially vertically aligned flow guide 39a is provided, which is arranged centrally between two lateral container walls of the storage container 19. Between the flow guide 39 a and the inner wall 41, a flow channel 42 is formed, along the on the in the Fig. 3 right side, the main flow I is first led upwards and is deflected by a deflecting element 39b by 180 ° in the opposite direction.
  • the main flow I is then further into a according to the Fig. 3 guided back to the left in the inflow region of the inlet opening 27.
  • the flow guide 39a below a curvature section 44, which deflects the main flow I in the area 43.
  • the deflecting element 39b also serves to substantially shield the liquid outlet 33 from the main flow I.
  • the deflecting element 39b is also spaced from the inner wall 41 of the liquid container 19 via flow gaps a, whereby a partial flow II is branched off from the main flow I and in the direction flows on the liquid outlet 33.
  • the liquid outlet 33 of the storage container 19 merges into an outlet channel 45, which leads the rinsing liquid to the ventilation opening 22. This is in the Fig. 3 not at the top corner, but arranged approximately at half the height of the washing compartment 1.
  • the flow guide elements 39, 47 are designed as guide walls, which in a double function connect the opposite side walls 35 of the storage container 19 as spacers.
  • the flow guide element 39a is interrupted by means of cutouts. As a result, an otherwise forming dead space can be flushed through on the inside of the curved section 44.
  • the approximately annular flow guide along the inner wall 41 of the storage container 19 is additionally stabilized by further flow guide 39c.
  • the flow guide elements 39c are arranged approximately centrally in the flow channel 42 of the main flow I and also spaced apart from one another via recesses.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (14)

  1. Appareil électroménager véhiculant de l'eau, en particulier lave-vaisselle, avec un réservoir de stockage de liquide, en particulier un réservoir de stockage (19), dans lequel un liquide de rinçage peut être stocké temporairement, dans lequel est disposé au moins un élément de canalisation d'écoulement (39a, 39b, 39c) déviant et/ou séparant un liquide de rinçage entrant et/ou sortant dans la chambre de liquide (31) du réservoir de stockage (19), caractérisé en ce que l'élément de canalisation d'écoulement (39a, 39b, 39c) est segmenté au moins partiellement avec des évidements.
  2. Appareil électroménager véhiculant de l'eau selon la revendication 1, caractérisé en ce que l'élément de canalisation d'écoulement (39a) délimite un canal d'écoulement (42) qui s'étend en particulier de manière circulaire ou en forme de méandre à travers la chambre de liquide (31) du réservoir de stockage (19).
  3. Appareil électroménager véhiculant de l'eau selon la revendication 2, caractérisé en ce que le canal d'écoulement (42) est formé entre l'élément de canalisation d'écoulement (39a) et au moins une paroi interne (41) du réservoir de stockage (19).
  4. Appareil électroménager véhiculant de l'eau selon la revendication 2 ou 3, caractérisé en ce que le canal d'écoulement (42) suit un contour de la paroi interne (41) du réservoir de stockage (19).
  5. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que le récipient de stockage (19) présente un orifice d'entrée de liquide (28) et un orifice de sortie de liquide (33).
  6. Appareil électroménager véhiculant de l'eau selon la revendication 5, caractérisé en ce que l'orifice de sortie de liquide (33) est protégé vis-à-vis du canal d'écoulement (42) par un autre élément de canalisation d'écoulement (39b).
  7. Appareil électroménager véhiculant de l'eau selon la revendication 6, caractérisé en ce que l'élément de canalisation d'écoulement (39b) forme au moins un passage (a) qui relie le canal d'écoulement (42) avec l'orifice de sortie de liquide (33).
  8. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que l'élément de canalisation d'écoulement (39a, 39b, 39c) est réalisé en tant que paroi de guidage avec une épaisseur de matériau sensiblement régulière.
  9. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que l'élément de canalisation d'écoulement (39a, 39b, 39c) est doté d'au moins une section courbée (44) pour la détermination d'une direction d'écoulement.
  10. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que le réservoir de stockage (19) est fabriqué à partir d'un matériau plastique.
  11. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que le réservoir de stockage (19) présente deux parois latérales (35) se chevauchant sensiblement, qui sont reliées l'une à l'autre d'une manière étanche aux fluides par le biais d'un bord périphérique étroit (37).
  12. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que l'élément de canalisation d'écoulement (39a, 39b, 39c) relie des parois de réservoir opposées du réservoir de stockage (19) en tant qu'écarteur.
  13. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que sont prévus une pluralité d'éléments de canalisation d'écoulement (39b, 47), qui provoquent conjointement un changement de direction sensiblement circulaire.
  14. Appareil électroménager véhiculant de l'eau selon l'une des revendications précédentes, caractérisé en ce que sont prévus deux éléments de canalisation d'écoulement (39b, 47) qui provoquent respectivement un changement de direction sensiblement semi-circulaire.
EP10736691.6A 2009-08-06 2010-07-22 Appareil ménager véhiculant de l'eau Active EP2461731B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10736691T PL2461731T3 (pl) 2009-08-06 2010-07-22 Prowadzące wodę urządzenie gospodarstwa domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009028274A DE102009028274A1 (de) 2009-08-06 2009-08-06 Wasserführendes Haushaltsgerät
PCT/EP2010/060617 WO2011015460A1 (fr) 2009-08-06 2010-07-22 Appareil ménager véhiculant de l'eau

Publications (2)

Publication Number Publication Date
EP2461731A1 EP2461731A1 (fr) 2012-06-13
EP2461731B1 true EP2461731B1 (fr) 2019-09-11

Family

ID=42674626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10736691.6A Active EP2461731B1 (fr) 2009-08-06 2010-07-22 Appareil ménager véhiculant de l'eau

Country Status (6)

Country Link
US (1) US9445708B2 (fr)
EP (1) EP2461731B1 (fr)
AU (1) AU2010280874B2 (fr)
DE (1) DE102009028274A1 (fr)
PL (1) PL2461731T3 (fr)
WO (1) WO2011015460A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2497404A1 (fr) * 2011-03-10 2012-09-12 Bonferraro S.p.A. Cycle de lavage pour lave-vaisselle doté d'un dispositif pour recycler l'eau de rinçage
DE102012207980A1 (de) * 2012-05-14 2013-11-14 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Zwischenspeichern von Betriebsflüssigkeit
FR2993161B1 (fr) * 2012-07-12 2015-01-09 Fagorbrandt Sas Machine a laver comprenant un reservoir d'eau de lavage et/ou de rincage
US9186034B2 (en) 2012-09-05 2015-11-17 Whirlpool Corporation Methods of reusing liquid in a dishwasher
US8968483B2 (en) 2012-09-10 2015-03-03 Whirlpool Corporation Method of using liquid in a dishwasher
US20180338666A1 (en) * 2015-09-08 2018-11-29 Jet Aviation Ag Dishwasher system
DE102017202783A1 (de) * 2017-02-21 2018-08-23 BSH Hausgeräte GmbH Geschirrspülmaschine mit Hydraulikanordnung zum Reinigen einer Filtereinrichtung und Verfahren
US11420135B2 (en) * 2018-08-06 2022-08-23 Koch-Glitsch, Lp Multi-pass contact tray for a mass transfer column and method involving same
CN116105368B (zh) * 2021-11-09 2025-11-18 美的集团(上海)有限公司 换热装置和洗碗机

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Publication number Priority date Publication date Assignee Title
DE19505598A1 (de) 1995-02-18 1996-08-22 Foron Waschgeraete Gmbh Wasserführendes Haushaltgerät mit einem Speicherbehälter
IT1296334B1 (it) 1997-10-27 1999-06-25 Electrolux Zanussi Elettrodome Lavatrice automatica con sistema di recupero energetico
ITPN20000027A1 (it) * 2000-04-27 2001-10-29 Electrolux Zanussi Elettrodome Macchina lavastoviglie con valvola perfezionata di distribuzione del liquido di lavaggio
US20050241675A1 (en) * 2004-05-03 2005-11-03 Jung Moon K Water guide for dishwasher and dishwasher having the same
DE102007060196A1 (de) * 2007-12-14 2009-06-18 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
DE102008040653A1 (de) 2008-07-23 2010-01-28 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PL2461731T3 (pl) 2020-04-30
WO2011015460A1 (fr) 2011-02-10
EP2461731A1 (fr) 2012-06-13
DE102009028274A1 (de) 2011-02-10
AU2010280874B2 (en) 2014-01-16
US9445708B2 (en) 2016-09-20
US20120118339A1 (en) 2012-05-17
AU2010280874A1 (en) 2012-02-09

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