EP2413773A2 - Geschirrspülmaschine - Google Patents
GeschirrspülmaschineInfo
- Publication number
- EP2413773A2 EP2413773A2 EP10708564A EP10708564A EP2413773A2 EP 2413773 A2 EP2413773 A2 EP 2413773A2 EP 10708564 A EP10708564 A EP 10708564A EP 10708564 A EP10708564 A EP 10708564A EP 2413773 A2 EP2413773 A2 EP 2413773A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- cleaning
- during
- dishwasher
- rinsing
- 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
Links
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
- A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
- A47L15/0015—Washing processes, i.e. machine working principles characterised by phases or operational steps other treatment phases, e.g. steam or sterilizing phase
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit
-
- 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
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/02—Pressurised cleaning liquid delivered by a pump
Definitions
- the invention relates to a dishwasher, in particular household dishwasher, at least comprising a washing container for receiving items to be cleaned, which can be cleaned at least during a cleaning step with detergent addition.
- a reduction in energy consumption can be achieved by the use of so-called low-temperature programs, for example.
- suitable low-temperature cleaners in which liquid, that is, water, the cleaning agent was optionally added, is heated to a maximum temperature of, for example 50 0 C.
- the continuous use of such low-temperature programs has the consequence that greasy dirt films can accumulate in the interior of the washing container.
- a special machine cleaner can be used, but requires a separate cleaning cycle of an otherwise unloaded dishwasher, in which case an operation of at least 65 ° C is required.
- a normal or high temperature program may be selected which is heated to a maximum temperature of, for example, about 65 ° C or about 75 ° C intensive program.
- a maximum temperature for example, about 65 ° C or about 75 ° C intensive program.
- the object of the invention is to develop a dishwasher to the effect that a cleaning of the washing container is possible with the lowest possible energy consumption.
- the solution of the object of the invention is based on a dishwasher, in particular household dishwasher, at least comprising one Rinsing container for receiving items to be cleaned, which can be cleaned at least during a step pre-rinsing and / or cleaning with detergent addition.
- a rinsing container cleaning program is provided with a lower ware cleaning capacity than in the step pre-rinsing and / or cleaning, during which at least temporarily inner surfaces of the rinsing container can be acted upon with liquid to remove fat deposits at least in the rinsing container. That is, the rinse tank cleaning program has a reduced cleaning performance with respect to items to be cleaned.
- the rinse tank cleaning program is designed to substantially only the side walls, the rear wall and the inner door of the washing and a screen covering the sump, which prevents particles from entering the circulation pump and cause a blockage there, is cleaned, while a loading of items does not substantially and therefore no heating of the dishes.
- the rinsing container cleaning program allows an energy-efficient cleaning of the rinsing container and also the sieve, so that a blockage of the sieve is prevented by greasy deposits.
- the rinsing container cleaning program is a sub-step of a rinsing program having at least one step of pre-rinsing and / or cleaning with the addition of detergent.
- a rinse program may include, for example, the steps of pre-rinsing, cleaning, intermediate rinsing, rinsing and drying.
- the items to be washed are treated with unheated water and without addition of detergent, while in the rinsing stage, the cleaned items are treated with water added with rinse aid acting as a relaxation agent and then dried during the drying stage.
- the rinsing container cleaning program is a sub-step of a pre-rinsing and / or cleaning-with-detergent addition step, the rinsing container can be cleaned during a normal rinsing program run for the purpose of cleaning Wash ware done.
- no additional Spülprogramm penraising an otherwise empty dishwasher is required, so that the total energy consumption is reduced.
- the washing container cleaning program before the step pre-wash and / or cleaning is executable. If e.g. a step pre-rinsing is provided, is applied to the cleaned items to be washed with heated liquid to achieve an increased cleaning performance compared to a normal pre-rinsing with application of items with unheated liquid, the Spül mattersertivsprogramm may be a first step of a multi-step washing program. Alternatively, it is provided that before the cleaning step with the addition of a cleaning agent
- Purge tank cleaning program is performed.
- a cleaning agent can be dissolved during the washing container cleaning program. This improves the cleaning of the washing by the cleaning effect of the dissolved detergent, wherein by appropriate control of an adding device of the dishwasher for dispensing a detergent release of the detergent in the washing takes place at the beginning of the Spül mattersertivsprogramms.
- a cleaning agent after the Spül asertivsprogramm is resolvable, that is, for example, during the subsequent step cleaning.
- the washing is cleaned without the support of the cleaning effect of the detergent, for example, is used in the only heated water.
- the period of dissolution of the detergent may extend from the beginning of the rinse tank cleaning program to the cleaning step itself.
- wetting of items to be washed with liquid during the washing container cleaning program is less than during the step Pre-rinsing and / or cleaning is.
- a significant energy saving is possible because no energy or a smaller amount of energy must be spent during the Spül mattersertivsprogramms for heating ware than during the cleaning step, since no impingement or at most a small admission of items to be washed with heated liquid.
- associated cooling of the circulated liquid with deterioration of the cleaning effect in the removal of the grease deposit is avoided.
- a circulated during the Spül mattersertherapiesprogramms liquid is at least temporarily feasible along a path which extends along a first portion substantially parallel to a cover of a washing and along a second section substantially parallel to side walls, rear wall and / or extends in the door of the washing compartment of the dishwasher.
- liquid is guided past crockery baskets along the ceiling and sidewalls, the rear wall and the inner door, which are provided in the rinse tank for receiving items to be cleaned.
- a plurality of purging devices arranged one above the other in several levels are provided for the admission of items to be washed with liquid, wherein the topmost spray device can be operated during the washing container cleaning program.
- sprayers may be a lower and an upper spray arm, which are associated with a lower or upper dish rack, as well as a top spray designed as a shower head, which is arranged on the ceiling of the spray container.
- the overhead shower is operated such that the circulated liquid is discharged at the outlet from the overhead shower substantially parallel to the ceiling of the washing.
- a first quantity of liquid can be circulated during the rinsing container cleaning program, and during the step of pre-rinsing and / or cleaning a second quantity of liquid can be recirculated, the first quantity of liquid being smaller than the second quantity of liquid.
- the first amount of liquid at a higher first pressure is recirculatable than the second liquid volume circulated at a lower second pressure. Due to the increased pressure, the removal rate can be increased when circulating the first amount of liquid due to the higher kinetic energy, in particular no attention must be paid to unwanted damage to sensitive items, since the first amount of liquid does not come into contact with the items to be washed.
- a circulating pump for circulating liquid which is operable at least at a high and a low speed, wherein the circulating pump at least temporarily during the Spül mattersertivsprogramms with the high speed and at least temporarily during the step pre-wash and / or cleaning with the low Speed is operable.
- a first amount of liquid can be heated to a first maximum temperature which is higher than a second maximum temperature to which a second amount of liquid during the step pre-rinsing and / or cleaning can be heated.
- This again allows a significant reduction in energy consumption, since only the first amount of liquid for cleaning the washing container is heated to the higher, first maximum temperature, while the second amount of liquid is heated to the cleaning of items to the second, lower maximum temperature.
- the first quantity of liquid, which is heated to a first, higher maximum temperature is smaller than the second quantity of liquid which is used during the pre-rinse and / or cleaning step.
- the temperature difference between the maximum temperatures at least substantially between 5 ° C and 50 0 C is preferably between 10 0 C and 25 ° C.
- the first, smaller amount of liquid is included. That is, at the end of a wash program having at least one rinsing tank cleaning program and a subsequent step pre-rinsing and / or cleaning, first the smaller, first liquid amount is heated to a first, higher maximum temperature and at the beginning of the step, fresh water from a house-side water supply network or a buffer of the dishwasher added until the second amount of liquid is filled in the dishwasher, for example. 1 to 3 liters. In this case, heating of the second quantity of liquid, e.g.
- the energy applied in the rinsing tank cleaning program for heating the first smaller amount of liquid to the first higher maximum temperature in the subsequent cleaning step is reused to clean items to be cleaned, so that a particularly energy-saving operation is possible or it is a pre-wash with heated liquid and thus increased Cleaning line allows without additional energy consumption.
- the object is achieved by a method for operating a dishwasher, in particular a domestic dishwasher, during the dishes arranged in a washing container at least during a step
- Pre-rinsing and / or cleaning is cleaned with detergent addition, being removed during a Spül effectsertivsprogramm with a lower Spülgut-cleaning performance than in step pre-rinsing and / or cleaning fat deposition in the washing by applying the wash ware with liquid.
- Fig. 1 is a schematic representation of an embodiment of a dishwasher according to the invention.
- FIG. 2 shows a schematic representation of a fill level course during operation of a dishwasher according to the invention.
- the dishwasher GS has a washing container SB for receiving items to be cleaned.
- extendable baskets GK are arranged in the rinse tank SB.
- the washing container SB can be opened or closed by means of a door (not shown) formed from an outer door and an inner door.
- the lower of the two baskets GK is associated with a rotating lower spray arm US, while the upper rack EGK is associated with an upper rotating spray arm OS.
- a spray device designed as a showerhead DB is arranged on the ceiling DE of the washing compartment SB.
- the lower spray arm US and the upper spray arm OS and the overhead shower DB are connected in liquid-conducting manner to a circulation pump UP which sucks the liquid accumulating in the pump sump PS of the dishwasher GS and the lower spray arm US, the upper spray arm OS and / or the roof shower DB supplies.
- a water diverter WW between the circulation pump UP and the secondary lines (not shown) is provided.
- a sieve S is provided between the rinsing tank SB and the pumping pot PS, a sieve S is provided with which particles can be kept away from the circulation pump UP and thus it is ensured that such particles can not cause a blockade of the circulation pump UP.
- the upper spray arm OS or the roof shower DB is a Control device (not shown) is provided, which controls both the circulation pump UP and the water diverter WW during operation of the dishwasher.
- a washing program for cleaning items to be washed usually has the steps of pre-rinse V, cleaning R, intermediate rinsing Z, rinsing K and drying T.
- the pre-rinsing V the soiled items to be washed are treated with unheated liquid without cleaning agent, so that coarse soiling can be removed by the mechanical action of the liquid or of the water.
- the next step is cleaning R, in which the dishes are cleaned with heated liquid and with the addition of detergent, the liquid being e.g. to a maximum temperature of about 50 ° C, can be heated.
- Step rinse during the e.g. the cleaned dishes with rinse aid, i.
- washing compartment cleaning program RP In order to remove grease deposits in the washing compartment SB of the dishwasher GS, in particular on the side walls SW, on the rear wall RW and on the inside door (not shown) of the washing compartment SB, but for removing grease deposits from the screen S, a washing compartment cleaning program RP is provided.
- the rinse tank cleaning program RP is performed after the pre-wash V and before the cleaning R step. That is, with a dishwasher GS with This rinsing container cleaning program RP makes it possible to clean and dry ware as well as to eliminate greasy deposits in the rinsing container SB and also by the sieve S.
- an amount of liquid Q2 for example 4 to 5 liters, circulated by operation of the circulation pump UP and with the lower spray arm US, the upper spray arm OS and / or the roof shower DB on the arranged in the baskets GK ware with unheated Liquid, for example, water applied to remove coarse soiling.
- the amount of liquid Q2 is conveyed to a house-side sanitation network with a drain pump (not shown).
- the dishwasher GS is then filled with a quantity of liquid Q1, for example 2 to 3 liters of water.
- the water switch WW is placed in such a position that only the overhead shower DB is supplied with liquid, while the lower spray arm US and the upper spray arm OS are not supplied with liquid and as a result also do not rotate during the Spül actuallyercurisprogramm RP ,
- the circulation pump UP is operated during the Spül matterseralismsprogramm RP at a speed which is higher than the speed at which the circulation pump UP during the pre-wash step V and / or the subsequent step cleaning R is operated.
- the liquid amount Q1 is circulated at a higher pressure during the purge tank cleaning program RP than during the pre-purge V and / or the purge R.
- the liquid quantity Q1 moves during the washing container cleaning program RP along a path W, which is formed by a first portion ABI and a second portion ABU.
- the path W in the region of the first section ABI runs essentially parallel to the ceiling DE of the washing container SB, while the path in the second section ABU extends substantially parallel to the two side walls SW, the rear wall RW and the inner door (not shown) that the liquid quantity Q2 does not come into contact with the items to be washed arranged in the dishwashing baskets GK.
- the amount of liquid Q2 is heated, for example to a temperature of 60 ° to 80 ° C.
- the washing container cleaning program RP may be provided to dissolve a cleaning agent already during the washing container cleaning program RP, ie before the beginning of the cleaning step R, eg. B. in which an adding device (not shown) by a control device (not shown) is driven such that the release of a cleaning agent is caused.
- the dishwasher GS has a dispensing bowl (not shown), for example, associated with a dish rack GK, in which a cleaning agent is to be dissolved, it can be provided, even during the washing container cleaning program RP, by targeted actuation of the lower spray arm US or of the upper spray arm OS Detergent to effect, if by operation of the lower spray arm US or the upper spray arm OS a loading of the dispenser bowl with liquid is possible.
- a dissolution of the cleaning agent can also take place only with the beginning of the cleaning step R, so that removal of greasy deposits in the rinsing container SB during the rinsing container cleaning program RP occurs essentially only by the mechanical cleaning action of the heated rinsing liquor in this case.
- the amount of liquid Q1 present in the dishwasher GS is filled up by topping up from an intermediate tank (not shown) of the dishwasher GS or by removal from a domestic supply network until the quantity Q2 is reached. Subsequently, by simultaneous and / or alternating operation of the lower spray arm US, the upper spray arm OS and / or the overhead shower DB the items to be washed in the dish racks GK acted upon with detergent added liquid. Further heating the amount of liquid Q2, for optimum cleaning effect to obtain, is not necessary, since up to the amount of liquid Q2 results from the mixing temperature of the liquid quantity Q1, for example, up to 80 0 C heated and refilled difference quantity, a mixture temperature of about 45 ° C to 55 ° C.
- the energy applied to purge the purge tank SB during the purge tank cleaning program RP is reused to heat the liquid amount Q1 in the purge step R, so that the overall energy consumption is reduced.
- the step intermediate rinse Z, for the dishwasher GS is again filled with fresh water and the items to be cleaned with liquid by operation of the lower spray arm US, the upper spray arm OS and / or the overhead shower DB is acted upon.
- the step rinsing K takes place, during which also by operation of the lower spray arm US, the upper spray arm OS and / or the showerhead DB, the cleaned items to be treated with water added to the rinse aid acting as a rinse aid before drying in a final step T is dried and can be removed from the baskets GK.
Landscapes
- Washing And Drying Of Tableware (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL10708564T PL2413773T3 (pl) | 2009-04-02 | 2010-03-16 | Zmywarka do naczyń |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009002147A DE102009002147A1 (de) | 2009-04-02 | 2009-04-02 | Geschirrspülmaschine |
| PCT/EP2010/053348 WO2010112330A2 (de) | 2009-04-02 | 2010-03-16 | Geschirrspülmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2413773A2 true EP2413773A2 (de) | 2012-02-08 |
| EP2413773B1 EP2413773B1 (de) | 2013-06-12 |
Family
ID=42732940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10708564.9A Active EP2413773B1 (de) | 2009-04-02 | 2010-03-16 | Geschirrspülmaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9320410B2 (de) |
| EP (1) | EP2413773B1 (de) |
| DE (1) | DE102009002147A1 (de) |
| ES (1) | ES2416031T3 (de) |
| PL (1) | PL2413773T3 (de) |
| WO (1) | WO2010112330A2 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010043330A1 (de) * | 2010-11-03 | 2012-05-03 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine, insbesondere Haushalts-Geschirrspülmaschine |
| KR20150109943A (ko) * | 2014-03-21 | 2015-10-02 | 엘지전자 주식회사 | 식기세척기의 제어방법 |
| DE102014104409A1 (de) * | 2014-03-28 | 2015-10-01 | Miele & Cie. Kg | Verfahren zur Rückgewinnung von Energie aus der Wärme von Spülflotte |
| JP6116537B2 (ja) * | 2014-10-15 | 2017-04-19 | リンナイ株式会社 | 食器洗い乾燥機 |
| JP6138098B2 (ja) * | 2014-10-29 | 2017-05-31 | リンナイ株式会社 | 食器洗浄機 |
| US9940783B2 (en) * | 2015-03-27 | 2018-04-10 | Zynga Inc. | Automated hand strength estimation for card games |
| DE102015226572A1 (de) * | 2015-12-22 | 2017-06-22 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät und Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts |
| DE102017102057B4 (de) | 2016-02-29 | 2019-05-09 | Miele & Cie. Kg | Verfahren zum Betrieb eines Geschirrspülautomaten |
| DE102017208562A1 (de) * | 2017-05-19 | 2018-11-22 | BSH Hausgeräte GmbH | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine |
| CN110151082B (zh) * | 2018-02-12 | 2021-12-07 | 青岛海尔洗碗机有限公司 | 一种热泵式洗碗机的控制方法及洗碗机 |
| CN110693406B (zh) * | 2018-07-09 | 2022-11-01 | 青岛海尔洗碗机有限公司 | 一种洗碗机洗涤控制方法及洗碗机 |
| US11350811B2 (en) * | 2019-05-21 | 2022-06-07 | Haier Us Appliance Solutions, Inc. | Dishwashing appliances and methods for addressing obstructions therein |
| CN111069137A (zh) * | 2019-11-08 | 2020-04-28 | 海德利森(天津)检测设备有限公司 | 自动工装冲洗与洁净度在线检测系统 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2441361A1 (de) | 1974-08-29 | 1976-03-11 | Bosch Siemens Hausgeraete | Verfahren zum reinigen von geschirr in einer geschirrspuelmaschine |
| FR2679121B1 (fr) * | 1991-07-16 | 1995-05-19 | Esswein Sa | Lave-vaisselle a fonctionnement ameliore. |
| US5411042A (en) * | 1993-08-20 | 1995-05-02 | Sanyo Electric Co., Ltd. | Dish washing machine |
| DE19515025C2 (de) | 1995-04-24 | 1997-03-27 | Premark Feg Corp | Verfahren und Gestell zum Reinigen von Innenwänden einer Geschirrspülmaschine |
| TW338713B (en) * | 1995-09-06 | 1998-08-21 | Sharp Kk | A dishwasher |
| IT1275786B1 (it) * | 1995-10-03 | 1997-10-17 | Smeg Spa | Dispositivo per lavare il cielo della vasca di una macchina lavastoviglie |
| WO1997020493A1 (en) | 1995-12-05 | 1997-06-12 | Ken Maskinfabrik A/S | A method for steam disinfection of the washing tank of an automatic dishwasher and an automatic dishwasher for utilizing the method |
| US6997193B2 (en) | 2002-07-02 | 2006-02-14 | Maytag Corporation | Wash and rinse system for a dishwasher |
| DE10328071B4 (de) * | 2003-06-23 | 2019-01-31 | BSH Hausgeräte GmbH | Verfahren zur Reinigung von wasserführenden Haushaltsreinigungsgeräten |
| US20080149148A1 (en) * | 2006-09-27 | 2008-06-26 | Lg Electronics Inc. | Sump of dishwasher |
| EP2120669B1 (de) * | 2006-12-26 | 2012-03-28 | Arçelik Anonim Sirketi | Geschirrspüler mit temperaturerhöhung für hygienische umgebung |
| DE102008040647A1 (de) * | 2008-07-23 | 2010-01-28 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine |
-
2009
- 2009-04-02 DE DE102009002147A patent/DE102009002147A1/de not_active Withdrawn
-
2010
- 2010-03-16 EP EP10708564.9A patent/EP2413773B1/de active Active
- 2010-03-16 ES ES10708564T patent/ES2416031T3/es active Active
- 2010-03-16 WO PCT/EP2010/053348 patent/WO2010112330A2/de not_active Ceased
- 2010-03-16 PL PL10708564T patent/PL2413773T3/pl unknown
- 2010-03-16 US US13/260,576 patent/US9320410B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010112330A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120017944A1 (en) | 2012-01-26 |
| ES2416031T3 (es) | 2013-07-30 |
| EP2413773B1 (de) | 2013-06-12 |
| WO2010112330A2 (de) | 2010-10-07 |
| PL2413773T3 (pl) | 2013-11-29 |
| DE102009002147A1 (de) | 2010-10-14 |
| US9320410B2 (en) | 2016-04-26 |
| WO2010112330A3 (de) | 2011-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20111102 |
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