EP1703835A1 - Geschirrspülmaschine mit filtersystem - Google Patents
Geschirrspülmaschine mit filtersystemInfo
- Publication number
- EP1703835A1 EP1703835A1 EP04804746A EP04804746A EP1703835A1 EP 1703835 A1 EP1703835 A1 EP 1703835A1 EP 04804746 A EP04804746 A EP 04804746A EP 04804746 A EP04804746 A EP 04804746A EP 1703835 A1 EP1703835 A1 EP 1703835A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dishwasher
- filter container
- rinsing liquid
- rinsing
- liquid
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 239000006260 foam Substances 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 230000000717 retained effect Effects 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000004851 dishwashing Methods 0.000 abstract description 13
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 238000011010 flushing procedure Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
Definitions
- the invention relates to a dishwasher with a filter system for Re in Trent the Spul lambtechnik and a method for operating the same.
- the object of the present invention is therefore to provide a dishwasher with a filter system for purifying the rinsing liquid and a method for operating the same, wherein the entrained in the rinsing liquid rinsing residues are more effectively removed from the rinsing liquid and thus the rinsing result is improved.
- Another object of the present invention is to improve the serviceability of the dishwasher and to minimize its water and energy requirements.
- a foam voimen is first generated, at least part of the rinse liquid from the rinsing cycle of the dishwasher passed through the foam voimen, wherein rinsing residues contained in the rinsing liquid are at least partially absorbed by the foam voimen or retained, then the cleaned rinsing liquid is at least partially fed back to the rinsing cycle of the dishwasher and the foam voids containing the retained rinse residues at least partially derived from the dishwasher.
- a basic idea of the present invention is consequently the use of foam for the retention of fine and finest rinsing residues from the rinsing liquid for clarifying the rinsing liquor in dishwashers.
- a dishwasher according to the invention having a filter system for purifying the rinsing liquid and a method according to the invention for operating the same have the advantage that the rinsing residues entrained in the rinsing liquid are effectively removed from the rinsing liquid, whereby even fine-grained dirt particles are filtered out of the rinsing liquid, thus a recycling of the rinsing liquid or rinsing liquid of the items to be washed is minimized and the rinsing result is improved.
- a further advantage of the dishwasher and the method according to the present invention is that there is no need for cumbersome cleaning of filters, since the filter system of the dishwasher according to the invention does not comprise screens, which improves the serviceability of the dishwasher. Further, in the dishwasher and the method of the present invention, the Energy and water consumption is reduced, since the used Spulmannmaschine does not need to be replaced so often or added to fresh water and the required flushing time is shorter.
- the filter system comprises a shell developer in which liquid, preferably rinsing liquid, is mixed with air in order to produce the foam voimen.
- liquid preferably rinsing liquid
- the Schaumvoimen could also be generated with fresh water, which is supplied to the dishwasher specifically for this purpose.
- the generation of the foam volume with rinsing liquid has the advantage that the rinsing liquid is already present in the dishwasher and contains cleaning agents which promote the foaming of the rinsing liquid.
- the rinsing liquid is preferably supplied to the foam developer from the rinsing circuit by circulating the dishwashing machine.
- a filter container in which the foam voimen is received.
- a wall of the filter container preferably the bottom, at least partially passages through which air or a mixture of liquid and air can be introduced into the filter container. If the filter container is filled to a part with rinsing liquid, air can be introduced into the filter container via the passages at the bottom of the filter container so that a mixture of air and rinsing liquid develops in the filter container and the foam particles form.
- a wall of the filter container preferably the cover, has at least one passage through which flushing fluid can be introduced into the filter container.
- at least one passage for introducing Spulmannmaschine in the filter container is designed as a distributor nozzle, so that the introduction of the rinsing liquid into the filter container takes place in fine jets. This ensures that the rinsing liquid on as large a surface as possible the foam voimen comes into contact.
- the rinsing liquid introduced via the passages in the ceiling of the filter container drips in fine jets through the foam voimen, wherein rinsing residues contained in the rinsing liquid are at least partially absorbed or retained by the foam voids.
- the filter container may be provided with a first outlet through which the purified Sullivanmannmaschine is passed out of the filter container, and a second outlet, through which the foam voimen is led out of the filter container.
- the filter container includes an outlet through which both the cleaned rinsing liquid and the foam voids from the filter container are directed to a three-way valve by either redirecting the filter container contents back into the rinse cycle or in a sewer pipe of the dishwasher.
- the three-way valve is preferably regulated by an electronic program control of the dishwasher. By means of different valve positions of the three-way valve, it is possible for example to either forward the cleaned rinsing liquid from the filter container back into the rinsing cycle or to convey the voids containing the rinsing residues from the filter container via a sewer line out of the dishwasher.
- the outlet of the filter container may be equipped with a preferably variable-height overflow to allow overflow from the filter container in the case of overfilling g of the filter container or in the event of excessive foaming. Due to the variable height of the overflow, the maximum filling height of the filter container can be set arbitrarily.
- the filter system can be accommodated in a particularly space-saving manner in the dishwasher when the filter container is arranged between a washing container and an outer wall of the dishwasher.
- the method for operating a dishwasher with a filter system according to the present invention for purifying rinsing liquid comprises the steps of first generating a foam voids, at least part of the rinsing liquid being conducted from the rinsing cycle of the dishwasher through the voids, wherein in the Rinsing fluid contained flushing residues are at least partially absorbed or retained by Schaumvoimen, the purified Sullivanmanntechnik is at least partially fed back to the rinsing cycle of the dishwasher and the foam voids containing the retained rinse residues is at least partially derived from the dishwasher.
- the foam voids are produced in the foam developer in which liquid, preferably spooled liquid, is mixed with air and subsequently the foam voids are introduced into the filter container.
- the foam voids can also be generated directly in the filter container by, for example, air being introduced into the filter container through passages arranged in the bottom of the filter container, which has previously been partially filled with rinsing liquid.
- the actual filtering process can begin by the Spulmannmaschine is introduced through the arranged in the ceiling of the filter container passages to be cleaned rinsing liquid in the filter container, wherein the rinsing liquid is distributed through the passages, that the rinsing liquid trickles in the finest possible rays through the Schaumvoimen.
- the above-described filtering process can be repeated several times or performed continuously during the flushing process.
- FIG. 1 shows a cross section through a filter system in an embodiment in which it is used in a dishwasher according to the present invention, for example.
- the filter system comprises a filter container 1, which is partially filled in the lower region with rinsing liquid 12 and in the upper region with a Schaumvoimen 11.
- Spulmannmaschine in the direction of the arrow A preferably by a circulating pump (not shown) of the dishwasher to the filter container 1 is conveyed via a supply line.
- a number of passages 5 is arranged, is introduced by the Spulmannmaschine in the filter container 1.
- the supply line 7 has a first three-way valve 6, which causes by different valve positions either a forwarding of the rinsing liquid from the circulation pump in the filter container 1 or in a foam developer 8.
- the rinsing liquid is mixed with air to produce a foam voimen 12 which is introduced via passages 4 in the bottom 3 of the filter container 1 into the filter container 1.
- a mixture of air and rinsing liquid develops in the filter container 1 and the Schaumvoimen 11 arises.
- the filter container 1 is at least partially filled with foam voids 11, rinsing liquid is introduced into the filter container 1 via the passages 5 in the cover 2 of the filter container 1, the foam voids 11 likewise being irrigated from above with rinsing liquid. Subsequently, the Spulmannmaschine trickles in fine jets through the Schaumvoimen 11, wherein contained in the Spulmanntechnik flushing residues are at least partially absorbed or retained by Schaumvoimen 11; This process represents the actual filtering process.
- the cleaned rinsing liquid 12 collects in the lower region of the filter container 1, while the foam voimen 11 accumulates due to its lower density floating on the cleaned rinsing liquid 12.
- the filter container 1 has in its lower region an outlet 14, through which both the cleaned rinsing liquid 12 and the foam voimen 11 from the filter container 1 via a discharge line 9 to a second three-way valve 13 is passed.
- the cleaned rinsing liquid 12 is returned from the filter container 1 in the direction of the arrow B into the rinsing cycle of the dishwasher or the foam voids 12 containing the rinsing residues are removed from the filter container 1 in the direction of the arrow C via a Wastewater pipe transported from the dishwasher.
- the discharge line 9, which adjoins the outlet 14 of the filter container 1, is provided with an overflow 10 in order to allow an overflow from the filter container 1 when the filter container 1 is overfilled or if the foam developer is too strong.
- the height of the overflow 10 determines the maximum filling height of the filter container. 1
- the rinsing liquid 12 and the foam voimen 11 are conveyed out of the filter container 1 through the outlet 14 arranged in the lower region of the filter container.
- the purified rinsing liquid 12 can of course also be conveyed by a corresponding Ventilstellingen the second three-way valve 13 in the direction of arrow B via a sewer line from the dishwasher.
- Both the first three-way valve 6 and the second three-way valve 13 are preferably provided by an electronic program control of the GE. Dishwasher regulated.
Landscapes
- Washing And Drying Of Tableware (AREA)
- Centrifugal Separators (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Filtering Materials (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL04804746T PL1703835T3 (pl) | 2003-12-18 | 2004-12-09 | Zmywarka do naczyń z systemem filtracyjnym |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10359615A DE10359615A1 (de) | 2003-12-18 | 2003-12-18 | Geschirrspülmaschine mit Filtersystem |
| PCT/EP2004/053372 WO2005058125A1 (de) | 2003-12-18 | 2004-12-09 | Geschirrspülmaschine mit filtersystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1703835A1 true EP1703835A1 (de) | 2006-09-27 |
| EP1703835B1 EP1703835B1 (de) | 2012-02-22 |
Family
ID=34683547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04804746A Expired - Lifetime EP1703835B1 (de) | 2003-12-18 | 2004-12-09 | Geschirrspülmaschine mit filtersystem |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8197607B2 (de) |
| EP (1) | EP1703835B1 (de) |
| AT (1) | ATE546084T1 (de) |
| DE (1) | DE10359615A1 (de) |
| ES (1) | ES2380342T3 (de) |
| PL (1) | PL1703835T3 (de) |
| WO (1) | WO2005058125A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359617A1 (de) * | 2003-12-18 | 2005-07-28 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung und Verfahren zum Filtern von Partikeln aus einer Flüssigkeit in einer Geschirrspülmaschine |
| WO2015035607A1 (en) * | 2013-09-13 | 2015-03-19 | Dow Global Technologies Llc | Washing machine including integral filter module |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234112A (en) * | 1991-10-02 | 1993-08-10 | Servicios Corporativos Frisco S.A. De C.V. | Flotation reactor with external bubble generator |
| DE4133554A1 (de) | 1991-10-10 | 1993-04-15 | Bauknecht Hausgeraete | Haushaltgeraet, z. b. wasch- oder geschirrspuelmaschine |
| ES2107316T3 (es) | 1994-09-10 | 1997-11-16 | Bernd Ch Tlok | Procedimiento para la filtracion de agua y dispositivo para la realizacion del mismo. |
| DE29521143U1 (de) * | 1994-09-10 | 1996-08-29 | Tlok, Bernd Ch., 21220 Seevetal | Wasserfiltration |
| TW310452B (de) * | 1995-12-07 | 1997-07-11 | Tokyo Electron Co Ltd | |
| US6120614A (en) * | 1997-11-14 | 2000-09-19 | Ez Environmental Solutions Corporation | Method and apparatus for pressure washing |
| AUPP209098A0 (en) * | 1998-02-27 | 1998-03-26 | Mcrobert, Ian | Washing apparatus |
| DE19823053C1 (de) * | 1998-05-22 | 1999-10-14 | Voith Sulzer Papiertech Patent | Verfahren zur Flotation von Störstoffen aus einer wässrigen Faserstoffsuspension |
| US6782899B2 (en) * | 2000-12-14 | 2004-08-31 | Lg Electronics Inc. | Dishwasher |
| DE10208992B4 (de) * | 2002-02-28 | 2007-06-28 | Whirlpool Corp., Benton Harbor | Filtersieb für ein flüssigkeitsführendes Haushaltsgerät, insbesondere eine Geschirrspülmaschine |
-
2003
- 2003-12-18 DE DE10359615A patent/DE10359615A1/de not_active Withdrawn
-
2004
- 2004-12-09 PL PL04804746T patent/PL1703835T3/pl unknown
- 2004-12-09 ES ES04804746T patent/ES2380342T3/es not_active Expired - Lifetime
- 2004-12-09 AT AT04804746T patent/ATE546084T1/de active
- 2004-12-09 US US10/582,924 patent/US8197607B2/en not_active Expired - Fee Related
- 2004-12-09 EP EP04804746A patent/EP1703835B1/de not_active Expired - Lifetime
- 2004-12-09 WO PCT/EP2004/053372 patent/WO2005058125A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005058125A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1703835B1 (de) | 2012-02-22 |
| WO2005058125A1 (de) | 2005-06-30 |
| US20070277859A1 (en) | 2007-12-06 |
| ATE546084T1 (de) | 2012-03-15 |
| ES2380342T3 (es) | 2012-05-10 |
| US8197607B2 (en) | 2012-06-12 |
| DE10359615A1 (de) | 2005-07-28 |
| PL1703835T3 (pl) | 2012-07-31 |
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