EP0178202A1 - Geschirrspüler mit Mikrofilter für Flüssigkeit - Google Patents

Geschirrspüler mit Mikrofilter für Flüssigkeit Download PDF

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Publication number
EP0178202A1
EP0178202A1 EP85401745A EP85401745A EP0178202A1 EP 0178202 A1 EP0178202 A1 EP 0178202A1 EP 85401745 A EP85401745 A EP 85401745A EP 85401745 A EP85401745 A EP 85401745A EP 0178202 A1 EP0178202 A1 EP 0178202A1
Authority
EP
European Patent Office
Prior art keywords
liquid
washing
microfilter
dishwasher
rinsing cycles
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.)
Granted
Application number
EP85401745A
Other languages
English (en)
French (fr)
Other versions
EP0178202B1 (de
Inventor
Camille Barbier
Jean-Claude Herve
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.)
Esswein SA
Original Assignee
Esswein SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9307624&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0178202(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Esswein SA filed Critical Esswein SA
Publication of EP0178202A1 publication Critical patent/EP0178202A1/de
Application granted granted Critical
Publication of EP0178202B1 publication Critical patent/EP0178202B1/de
Expired 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
    • A47L15/4202—Water filter means or strainers
    • A47L15/4208—Arrangements to prevent clogging of the filters, e.g. self-cleaning
    • 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
    • A47L15/4202—Water filter means or strainers
    • A47L15/4204—Flat filters

Definitions

  • the present invention relates to a liquid microfiltration dishwasher.
  • a dishwasher usually includes a filter designed to separate the waste removed from the dishes, the washing and rinsing liquid of the latter.
  • This filter is often placed in the tank of the machine, between the underside of the lowest spray arm and the inlet of the spray or rinsing liquid recycling pump.
  • the washing or rinsing liquid falling from the dish baskets passes through this filter under the effect of gravity before reaching the inlet of this watering or recycling liquid pump and the majority of the waste being in this liquid is retained by this filter.
  • the filtered liquid is again discharged by this sprinkler or recycling pump, into the spray arms of the machine and projected onto the dishes in the dish baskets to clean them, and a new cycle of circulation of the liquid begins again.
  • the liquid is evacuated by a drain pump.
  • known dishwashers make it possible to obtain clean dishes in each of their operating programs with a relatively large predetermined quantity of water admitted for the washing and rinsing phases.
  • French patent application No. 84.00892 has provided a solution to the above problem relating to micro-waste in the dishwasher.
  • a dishwasher comprises in its tub during the washing and rinsing cycles of the dishes, on the one hand, for a microfiltration of micro-waste a stream of liquid passing through a microfilter, created by a drain pump which turns in a direction opposite to that allowing a discharge of the liquid towards the outside of the machine, and on the other hand, for a filtering of large and medium waste a stream of liquid passing through a standard medium filter, created by a recycling pump, and at the end of the washing and rinsing cycles of the dishes, a draining of the liquid from its tank by this drain pump which sucks liquid both through the microfilter and its inlet opening , discharges it towards the outside of the machine at the same time as the micro-waste found in this microfilter and makes it clean.
  • the object of the present invention is to produce an economical dishwasher in which the microfiltration of the liquid in its tank remains effective throughout the duration of the washing and rinsing cycles.
  • a dishwasher provided during washing and rinsing cycles with liquid microfiltration by a current of liquid passing through a microfilter, created by a drain pump rotating in a direction opposite to that allowing a discharge of liquid outside the machine, and a filtering of large and medium waste, by a stream of liquid passing through a standard filter, created by a recycling pump and at the end of the washing and rinsing cycles of a draining of the liquid by this drain pump which creates a reverse current of the liquid through this microfilter and its intake opening and discharges this liquid and the micro-waste retained by this microfilter to the outside, is characterized in that it comprises in its operation during the washing and rinsing cycles, in addition to the usual oil changes at the end of these cycles, one or more brief intermediate oil changes.
  • a dishwasher 1 produced according to the invention and illustrated in the Figures 1 and 2 includes outside, a body 2, and inside, a tank 3 in which are mainly mounted dish baskets 4 and 5, sprinklers 6 and 7, a pumping device 8 , on the one hand, means carrying out standard simultaneous filtering of all of the liquid to rid it of large and medium waste and, on the other hand, means carrying out progressive micro-filtration of this liquid to rid it of micro-waste or low-level waste dimension.
  • the pumping device 8 comprises in the example illustrated on the one hand a pump 10 intended for recycling of liquid which consists in sucking up liquid accumulated in the bottom of the tank 3 and in discharging it into the sprinkler reels 6 and 7 which spray liquid on the dishes to clean or rinse them and on the other hand a pump 11 intended for the emptying of the dishwasher 1, in other words the evacuation of the liquid and a motor 12 with two directions of rotation ensuring a drive of these two pumps, the wheels of which are fixed to a common shaft 13.
  • the recycling pump 10 is a pump of the centrifugal type.
  • This pump 10 comprises a body 14, a impeller 15, an inlet opening 16 and a discharge line 17 extended by hydraulic circuits from the dishwasher 1 to the sprinkler reels 6 and 7.
  • the drain pump 11 is a vane type pump which comprises a body 18, an intake opening 19, an intake pipe 20, a chamber 21, a vane wheel 22 which is fixed on the same shaft 13 as that of the wheel 15 thread the centrifugal pump, a discharge line 23 and a non-return valve 24.
  • the intake opening 19 of the drain pump 11 and the intake manifold 16 of the pump 10 open into the same space 25 formed in the lowest part of the bottom of the tank 3 and which is located between the two pumps 10 and 11.
  • the common shaft 13 of the wheels 15 and 22 of the two pumps 10 and 11 is mounted through this space 25.
  • the wheels 15 and 22 of the two pumps can have shafts independent and be driven by independent motors rotating in both directions, not shown, or the two pumps 10 and II may be equivalent pumps of another known type than those described above, without departing from the scope of the present invention .
  • the means carrying out standard filtering of the liquid and the means carrying out microfiltration are constituted by a filtering device 9 of liquid which comprises at least two independent filters, one of which is an average filter carrying out standard filtering which rids or separates this liquid, large and medium waste and the other a microfilter used to rid or separate the liquid from the maximum of micro-waste or small size waste which have passed through the medium filter.
  • the means carrying out standard filtering can comprise either a medium filter or a coarse filter for ridding or separating this liquid from large waste and a medium filter for ridding or separating this liquid from large and medium waste.
  • a coarse filter is a filter having large meshes of the order of 5 millimeters
  • a medium filter is a filter having medium meshes of the order of one millimeter
  • a microfilter is a filter having fine meshes of the order of a few tenths of a millimeter, for example two tenths of a millimeter.
  • the microfilter is placed in communication with the drain pump through a fraction of the surface of the intake opening thereof. As a result, the liquid entering the drain pump 11 is emptied both through the intake opening of this pump, through the microfilter and through the passage opening for the shaft of this pump.
  • microfiltration is preferably intended for filtering liquid which is already subjected to filtering with a medium filter.
  • liquid stream passing through the medium filter is preferably created by the recycling pump while the liquid stream passing through the microfilter is preferably created by the drain pump.
  • the filtering device 9 comprises a medium filter 26, a coarse filter 28 and a microfilter 29.
  • the filtering device 9 is mounted in the lower part of the tank 3 under the reel lower watering hose or the lower reel 6 to completely separate the inlets or inlets 16 and 19 from the pumps, washing or rinsing liquid which has fallen from the dishes, so that all the recycling liquid cannot be admitted into the recycling pump 10 only after having been disposed of its large or medium-sized waste and progressively with its micro-waste.
  • This liquid is then discharged by the recycling pump 10 into the watering reels 6-7 and sprayed from these reels onto the dishes to clean or rinse them before falling back to the bottom 3 of the tank for a new filtering, and a new liquid cycle.
  • the medium filter 26 can be removable or fixed and have a flat or slightly conical active surface.
  • the medium filter 26 comprises in its active surface a depression 31 for receiving a removable assembly 32 consisting of a microfilter 29, and a coarse filter 28.
  • This coarse filter or drain filter 28 comprises a receptacle 34 whose bottom is a large mesh element.
  • the receptacle 34 of the large filter 28 is itself housed in a well 35 arranged in one end of the depression 31. This well 35 is in direct and exclusive communication with the inlet opening 19 of the drain pump.
  • the coarse filter 28 is intended to retain coarse waste which could hamper the operation of the drain pump 11.
  • the microfilter 29 comprises a microfiltration pot 33 consisting of a closed box provided with an inlet pipe 36, including at at least a portion of the wall consists of an element to very fine mesh 27.
  • the upper wall of the microfilter pot consists of the fine mesh element 27 of the order of a few tenths of a millimeter, for example two tenths of a millimeter, while the side walls and bottom are solid walls, and the inlet tube 36 communicates the microfiltration pot 33 with the outside.
  • This inlet manifold 36 has its free end 37 facing downwards, so that when the removable assembly 32 is placed in the depression 31 of the medium filter 26 which is already mounted in the bottom of the tank 3 , this free end 37 of the inlet pipe 36 covers and encloses a connection pipe 38 of a liquid guide channel 39 formed in the opening 19 and the intake pipe 20 of the drain pump 11.
  • the drain pump 11 during washing and rinsing rotates in one direction to suck the liquid located in the bottom 25 of the tank 3, through the passage opening of its shaft, and the discharge through the liquid guide channel 39, the connecting pipes 38 and inlet pipes 36, the microfiltration jar 33 and the fine mesh element 27 of the microfilter 29 and return part of the liquid to the tank 3 in the bottom of the tank 3, the micro-waste then being retained in the microfiltration jar 33 by the fine mesh element 27 of the microfilter 29, and during the emptying rotates in the opposite direction to suck liquid through its opening inlet 19 and the fine mesh element 27 of the microfilter 29, the connection tube 38, the liquid guide channel 39 and discharge it through the discharge line 23, the non-return valve 24 towards the outside of the machine.
  • the liquid in the tank 3 is thus gradually freed of micro-waste and the dishes cleaned with a liquid thus filtered requires only a reduced quantity of water in the washing and rinsing sequences of the operating programs of the dishwasher 1, compared to those required in known devices, while obtaining clean cleaned dishes when removed from the machine, the dishwasher operating programs being controlled by a programmer or an electronic control device indicated at 50, which, produced according to a known technique, will not be described in detail.
  • the recycling 10 and drain 11 pumps mounted on a common shaft 13 rotate in the direction of arrow 40.
  • the recycling pump 10 sucks up a large part of the liquid which has passed through the medium filter 26 and discharges it into the sprinkler reels 6 and 7 while the drain pump. 11, because of the presence of the non-return valve 24 on the discharge line, sucks through a passage opening 42 of the shaft of its wheel 22 a part of the liquid which has passed through the filter 26 and discharges it through the microfilter 29 in tank 3 for microfiltration of the liquid.
  • the two pumps 10 and 11 thus create in the tank 3, two independent streams of liquid for filtering the latter.
  • the two pumps 10 and 11 rotate in the opposite direction to the previous one, indicated by an arrow 41.
  • the recycling pump 10 is in this case deactivated, following an entry of the air through an air intake chimney 45, while the drain pump 11 sucks the liquid and discharges it outside through its discharge pipe 23 and its non-return valve 24.
  • the liquid sucked comes from two different circuits: on the one hand the liquid sucked results from a suction of liquid from the bottom of the tank 3 through the large filter 28 in its intake opening 19 and its suction pipe 20, on the other hand the liquid sucked results from a suction of liquid through the fine mesh element 27, the microfiltration pot 33 of the microfilter 29, the pipes 36, 38, the liquid guide channel 39, in the pipe. suction 20.
  • the second suction liquid circuit has several advantages. This second circuit of aspirated liquid which crosses the microfiltration pot 33 makes it possible to entrain the micro-waste which are retained there and to evacuate them.
  • Aspiration following a circuit independent of the micro-waste retained in the microfiltration pot 33 gives the dishwasher 1 the advantage of evacuating these micro-wastes without causing a re-pollution of the liquid in the tank 3.
  • the second circuit of aspirated liquid allows unclogging of the fine mesh element 27 of the microfilter 29.
  • the washing and rinsing cycles comprises, in addition to the usual emptying at the end of these cycles, one or more brief intermediate emptying.
  • These brief intermediate empties ensure a drive of the micro-waste retained by the microfilter 29 to reject them outside and consequently unclogging or cleaning of the fine mesh element 27 of the microfilter 29, to give the latter all its effectiveness in the microfiltration of the liquid during the entire washing and rinsing cycles of the dishwasher.
  • These brief intermediate empties may or may not be followed by compensatory water filling.
  • the brief intermediate drainings during the washing and rinsing cycles of the dishwasher are carried out either at regular intervals during these washing and rinsing cycles or at shorter intervals at the end of these cycles than those at the beginning of these cycles.
  • the means of the programmer or control device 50 (FIG. 1) which also executes in its main function, the usual selected operating programs.
  • the brief intermediate empties during the washing and rinsing cycles of the dishwasher are triggered each time one or more predetermined gradual thresholds of liquid temperatures in the tank 3 of the dishwasher are exceeded.
  • a temperature sensor of a known type 51 (FIG. 2), placed in the liquid bath at the bottom of the tank 3 of the dishwasher, is associated with the programmer or control device 50 for implementing these brief intermediate drainings.
  • the brief intermediate emptying operations during the washing and rinsing cycles of the dishwasher are carried out each time the pressure of the stream of liquid inside the microfiltration pot 23 of the microfilter 29 exceeds a threshold of predetermined pressure.
  • the pressure of this stream of liquid increases in the microfiltration pot 33.
  • the pressure of the current of liquid inside the microfiltration pot 23 thus reflects the degree of clogging of the fine mesh element. For the microfiltration of the liquid to be effective during these washing and rinsing cycles, it is necessary that the clogging of the fine mesh element 27 by the micro-waste does not exceed a predetermined degree.
  • a pressure sensor of a known type 52 (FIG. 3) having an adjustable threshold of liquid pressure and disposed in the microfiltration pot 33 of the microfilter 29, is associated with the programmer or control device 50 for trigger a brief intermediate drain each time this threshold is exceeded by the liquid pressure in this microfiltration pot 33.
  • the lower spray reel 6 of the dishwasher is provided, in the surface of its lower half facing the medium filters 26, coarse, 28 and microfilter 29 of the filtering device 9, with a with several nozzles creating one or more unclogging water jets directed more or less perpendicularly on the surface of the fine mesh element 27 of the microfilter 29.
  • This or these water jets allow, by their periodic passages on the microfilter 29 , periodically take off the micro-waste which, being in the microfiltration pot 33, tends to cling to the fine mesh element 27.
  • the unclogging effects of the microfilter 29 by these water jets sent from the watering reel lower 6, thus adding to the effects of unclogging by brief intermediate emptying, described in previous paragraphs, to make the microfiltration of liquid in the dishwasher even more effective 1.
  • a dishwasher produced according to the invention is not only economical but also provides clean dishes with a relatively reduced amount of water used during washing and rinsing compared to that used in known dishwashers.
  • the microfilter 29 does not hinder the recycling of the liquid carried out by the recycling pump 10 and therefore the cleaning of the dishes, while allowing a progressive microfiltration of this liquid.
  • the meshes of the medium filter 26 which occupies the majority of the surface of the bottom of the tank 3 of the dishwasher, have been determined so that the flow of recycling liquid is sufficient for effective washing and rinsing of the dishes, despite the presence of waste retained by these filters.
  • the quantity of liquid consequently the quantity of liquid provided for each phase of the operating programs is thus advantageously reduced compared to that required in a known dishwasher, without compromising the efficiency of the machine.
  • a reduction in the quantity of liquid results in an advantageous lowering of the consumption of electrical energy in the implementation of each of the operating programs of the dishwasher 1.
  • the dishwasher 1 produced according to the invention is of this economic fact in its operation.
  • the microfilter 29 can be mounted in the tank 3 below the medium filter 26, and placed in communication with the drain pump 11 for an operation similar to that of the microfilter of the example illustrated. and described in the previous paragraphs.
  • the liquid discharged through the microfilter 29 by the drain pump 11, following the washing and rinsing of the dishes, is discharged into the tank 3 in the space below the medium filter 26 instead of being returned to the tank 3 in the space above this medium filter 26.

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  • Washing And Drying Of Tableware (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP19850401745 1984-09-11 1985-09-06 Geschirrspüler mit Mikrofilter für Flüssigkeit Expired EP0178202B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8413937A FR2569973B1 (fr) 1984-09-11 1984-09-11 Lave-vaisselle a microfiltrage de liquide
FR8413937 1984-09-11

Publications (2)

Publication Number Publication Date
EP0178202A1 true EP0178202A1 (de) 1986-04-16
EP0178202B1 EP0178202B1 (de) 1989-01-11

Family

ID=9307624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850401745 Expired EP0178202B1 (de) 1984-09-11 1985-09-06 Geschirrspüler mit Mikrofilter für Flüssigkeit

Country Status (4)

Country Link
EP (1) EP0178202B1 (de)
DE (1) DE3567368D1 (de)
ES (1) ES8701482A1 (de)
FR (1) FR2569973B1 (de)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676349A1 (fr) * 1991-05-17 1992-11-20 Esswein Sa Lave-vaisselle a microfiltre pratiquement non bouchable.
EP1424034A1 (de) * 2002-11-28 2004-06-02 Whirlpool Corporation Geschirrspülmaschine mit Flachfiltereinrichtung umfassend Bereiche mit unterschiedlichen Lochdimensionen
US8627832B2 (en) 2010-12-13 2014-01-14 Whirlpool Corporation Rotating filter for a dishwashing machine
US8667974B2 (en) 2009-12-21 2014-03-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US8733376B2 (en) 2011-05-16 2014-05-27 Whirlpool Corporation Dishwasher with filter assembly
US8746261B2 (en) 2009-12-21 2014-06-10 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US9005369B2 (en) 2011-06-20 2015-04-14 Whirlpool Corporation Filter assembly for a dishwasher
US9010344B2 (en) 2011-06-20 2015-04-21 Whirlpool Corporation Rotating filter for a dishwashing machine
US9034112B2 (en) 2010-12-03 2015-05-19 Whirlpool Corporation Dishwasher with shared heater
US9107559B2 (en) 2011-05-16 2015-08-18 Whirlpool Corporation Dishwasher with filter assembly
US9113766B2 (en) 2010-11-16 2015-08-25 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9119515B2 (en) 2010-12-03 2015-09-01 Whirlpool Corporation Dishwasher with unitary wash module
WO2015127982A1 (en) * 2014-02-28 2015-09-03 Arcelik Anonim Sirketi Fine filter with improved filtration performance for use in a dishwasher and dishwasher having the same
US9237836B2 (en) 2012-05-30 2016-01-19 Whirlpool Corporation Rotating filter for a dishwasher
US9301667B2 (en) 2012-02-27 2016-04-05 Whirlpool Corporation Soil chopping system for a dishwasher
US9451862B2 (en) 2012-06-01 2016-09-27 Whirlpool Corporation Dishwasher with unitary wash module
US9532700B2 (en) 2012-06-01 2017-01-03 Whirlpool Corporation Dishwasher with overflow conduit
US9554688B2 (en) 2012-10-23 2017-01-31 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9668636B2 (en) 2010-11-16 2017-06-06 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9687135B2 (en) 2009-12-21 2017-06-27 Whirlpool Corporation Automatic dishwasher with pump assembly
US9730570B2 (en) 2012-05-30 2017-08-15 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US9833120B2 (en) 2012-06-01 2017-12-05 Whirlpool Corporation Heating air for drying dishes in a dishwasher using an in-line wash liquid heater
US9861251B2 (en) 2011-06-20 2018-01-09 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US9918609B2 (en) 2009-12-21 2018-03-20 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US10070769B2 (en) 2011-06-20 2018-09-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US10653291B2 (en) 2011-06-20 2020-05-19 Whirlpool Corporation Ultra micron filter for a dishwasher

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445130A1 (fr) * 1978-12-29 1980-07-25 Hobart Corp Collecteur de salissures en derivation pour lave-vaisselle
EP0150147A2 (de) * 1984-01-20 1985-07-31 Esswein S.A. Geschirrspüler mit Mikrofilter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445130A1 (fr) * 1978-12-29 1980-07-25 Hobart Corp Collecteur de salissures en derivation pour lave-vaisselle
EP0150147A2 (de) * 1984-01-20 1985-07-31 Esswein S.A. Geschirrspüler mit Mikrofilter

Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676349A1 (fr) * 1991-05-17 1992-11-20 Esswein Sa Lave-vaisselle a microfiltre pratiquement non bouchable.
EP1424034A1 (de) * 2002-11-28 2004-06-02 Whirlpool Corporation Geschirrspülmaschine mit Flachfiltereinrichtung umfassend Bereiche mit unterschiedlichen Lochdimensionen
US9211047B2 (en) 2009-12-21 2015-12-15 Whirlpool Corporation Rotating filter for a dishwashing machine
US8667974B2 (en) 2009-12-21 2014-03-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US9918609B2 (en) 2009-12-21 2018-03-20 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US8746261B2 (en) 2009-12-21 2014-06-10 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US10779703B2 (en) 2009-12-21 2020-09-22 Whirlpool Corporation Rotating drum filter for a dishwashing machine
US9687135B2 (en) 2009-12-21 2017-06-27 Whirlpool Corporation Automatic dishwasher with pump assembly
US9375129B2 (en) 2009-12-21 2016-06-28 Whirlpool Corporation Rotating filter for a dishwashing machine
US9668636B2 (en) 2010-11-16 2017-06-06 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9113766B2 (en) 2010-11-16 2015-08-25 Whirlpool Corporation Method and apparatus for dishwasher with common heating element for multiple treating chambers
US9532696B2 (en) 2010-12-03 2017-01-03 Whirlpool Corporation Dishwasher with unitary wash module
US9572473B2 (en) 2010-12-03 2017-02-21 Whirlpool Corporation Dishwasher with unitary wash module
US9119515B2 (en) 2010-12-03 2015-09-01 Whirlpool Corporation Dishwasher with unitary wash module
US9034112B2 (en) 2010-12-03 2015-05-19 Whirlpool Corporation Dishwasher with shared heater
US9532697B2 (en) 2010-12-03 2017-01-03 Whirlpool Corporation Dishwasher with unitary wash module
US8627832B2 (en) 2010-12-13 2014-01-14 Whirlpool Corporation Rotating filter for a dishwashing machine
US9364131B2 (en) 2010-12-13 2016-06-14 Whirlpool Corporation Rotating filter for a dishwashing machine
US9167950B2 (en) 2011-05-16 2015-10-27 Whirlpool Corporation Dishwasher with filter assembly
US8733376B2 (en) 2011-05-16 2014-05-27 Whirlpool Corporation Dishwasher with filter assembly
US9107559B2 (en) 2011-05-16 2015-08-18 Whirlpool Corporation Dishwasher with filter assembly
US11882977B2 (en) 2011-05-16 2024-01-30 Whirlpool Corporation Dishwasher with filter assembly
US9700196B2 (en) 2011-05-16 2017-07-11 Whirlpool Corporation Dishwasher with filter assembly
US9538898B2 (en) 2011-05-16 2017-01-10 Whirlpool Corporation Dishwasher with filter assembly
US10813525B2 (en) 2011-06-20 2020-10-27 Whirlpool Corporation Ultra micron filter for a dishwasher
US9005369B2 (en) 2011-06-20 2015-04-14 Whirlpool Corporation Filter assembly for a dishwasher
US10070769B2 (en) 2011-06-20 2018-09-11 Whirlpool Corporation Rotating filter for a dishwashing machine
US10314457B2 (en) 2011-06-20 2019-06-11 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US9010344B2 (en) 2011-06-20 2015-04-21 Whirlpool Corporation Rotating filter for a dishwashing machine
US10058227B2 (en) 2011-06-20 2018-08-28 Whirlpool Corporation Filter assembly for a dishwasher
US9861251B2 (en) 2011-06-20 2018-01-09 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US10178939B2 (en) 2011-06-20 2019-01-15 Whirlpool Corporation Filter with artificial boundary for a dishwashing machine
US10653291B2 (en) 2011-06-20 2020-05-19 Whirlpool Corporation Ultra micron filter for a dishwasher
US9301667B2 (en) 2012-02-27 2016-04-05 Whirlpool Corporation Soil chopping system for a dishwasher
US10058228B2 (en) 2012-02-27 2018-08-28 Whirlpool Corporation Soil chopping system for a dishwasher
US11134825B2 (en) 2012-05-30 2021-10-05 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US9730570B2 (en) 2012-05-30 2017-08-15 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US9237836B2 (en) 2012-05-30 2016-01-19 Whirlpool Corporation Rotating filter for a dishwasher
US10376128B2 (en) 2012-05-30 2019-08-13 Whirlpool Corporation Reduced sound with a rotating filter for a dishwasher
US10076226B2 (en) 2012-05-30 2018-09-18 Whirlpool Corporation Rotating filter for a dishwasher
US9451862B2 (en) 2012-06-01 2016-09-27 Whirlpool Corporation Dishwasher with unitary wash module
US9833120B2 (en) 2012-06-01 2017-12-05 Whirlpool Corporation Heating air for drying dishes in a dishwasher using an in-line wash liquid heater
US9532700B2 (en) 2012-06-01 2017-01-03 Whirlpool Corporation Dishwasher with overflow conduit
US9962060B2 (en) 2012-10-23 2018-05-08 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9826882B2 (en) 2012-10-23 2017-11-28 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
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US9649007B2 (en) 2012-10-23 2017-05-16 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
US9554688B2 (en) 2012-10-23 2017-01-31 Whirlpool Corporation Rotating filter for a dishwasher and methods of cleaning a rotating filter
WO2015127982A1 (en) * 2014-02-28 2015-09-03 Arcelik Anonim Sirketi Fine filter with improved filtration performance for use in a dishwasher and dishwasher having the same

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ES546842A0 (es) 1986-12-01
DE3567368D1 (en) 1989-02-16
EP0178202B1 (de) 1989-01-11
ES8701482A1 (es) 1986-12-01
FR2569973A1 (fr) 1986-03-14
FR2569973B1 (fr) 1987-06-12

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