WO2009056444A1 - Wasserführendes haushaltsgerät mit selbstreinigendem filter - Google Patents
Wasserführendes haushaltsgerät mit selbstreinigendem filter Download PDFInfo
- Publication number
- WO2009056444A1 WO2009056444A1 PCT/EP2008/063861 EP2008063861W WO2009056444A1 WO 2009056444 A1 WO2009056444 A1 WO 2009056444A1 EP 2008063861 W EP2008063861 W EP 2008063861W WO 2009056444 A1 WO2009056444 A1 WO 2009056444A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- water
- household appliance
- appliance according
- filter element
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 11
- 239000007921 spray Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000012065 filter cake Substances 0.000 description 3
- 238000004851 dishwashing Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005507 spraying Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/014—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/12—Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners
Definitions
- the invention relates to a water-conducting household appliance, in particular a dishwasher or washing machine, at least comprising a filter arranged in a line system.
- rinsing liquor is circulated in a line system during a cleaning process of items to be cleaned, ie, that rinsing liquor collects in a lower portion of the dishwasher arranged pump sump and is supplied by a pump through a line system to the spray arms, the apply washing solution to the items to be washed arranged inside the dishwasher.
- rinsing liquor collects in a lower portion of the dishwasher arranged pump sump and is supplied by a pump through a line system to the spray arms, the apply washing solution to the items to be washed arranged inside the dishwasher.
- it is known to retain dirt particles of a minimum size by means of a filter.
- various measures are known from the prior art.
- the object of the invention is based on a water-conducting household appliance, in particular a dishwasher or washing machine, at least comprising a filter arranged on a line system.
- the line system can be a line which serves to supply spray arm with washing liquor arranged in the spray chamber of a dishwashing machine.
- the spray arms are connected via lines to a pump which sucks the rinsing liquor collecting in the bottom region of a pump sump arranged in the washing container and circulates it in a closed circuit during a cleaning process of items to be washed.
- the object of the invention is achieved in that the filter has at least one filter element which is movably arranged between a first filter position and a second cleaning position. It is thus provided a water-conducting household appliance with a filter that can be cleaned in a surprisingly simple way, without the need for special facilities would be necessary. This is achieved by the filter being able to adopt two positions, wherein in a first position the filtering action of the filter is given and in a second position, a cleaning position, the filter can be cleaned.
- the at least one filter element can be brought from the first filter position into the second cleaning position and / or vice versa by reversing the flow of a liquid flowing through the filter. It can thus be effected by a flow reversal, a change from the first filter position to the second cleaning position or a change from the second cleaning position to the first filter position and a change in both directions be possible.
- flow reversal for example, this may be a flow reversal occurring during the pumping-down process with respect to the flow direction during circulation of the rinsing liquor during a cleaning process.
- the liquid flowing through the filter rotates, for example in a clockwise direction, through which the filter element is brought into the first filter position, and rotates counterclockwise when the wash liquor is pumped out.
- the at least one filter element has at least one inflow, which causes, in the presence of a correspondingly directed flow, that the at least one filter element from a first Filter position moves to the second cleaning position, or vice versa.
- the filter elements are resiliently biased in a corresponding direction, so that, for example, if no occurring during Abpumpvorgang, counter-clockwise rotating flow, the filter elements automatically return to the first filter position.
- an actuator is provided which is in operative connection with the at least one filter element. This makes it possible to cause the filter elements to switch from the first filter position to the second cleaning position by targeted activation of the actuator or vice versa. So it can be e.g. a change from the first filter position to the second cleaning position are effected or a change from the second cleaning position to the first filter position. Furthermore, a change in both directions may be possible.
- the actuator can be used, for example, to move the filter element from the second cleaning position into the first filter position, while the movement from the first filter position to the second cleaning position is effected by the flow acting on the at least one filter element, or the filter elements are resiliently biased to effect this movement.
- the actuator has a memory wire.
- the memory wire is annular. That is, the memory wire is shortened in the activated state and thus reduces the radius of the ring-shaped memory wire.
- the annular memory wire is in operative connection with the at least one filter element and thus causes a change from a first filter position to the second cleaning position and / or vice versa.
- the at least one filter element can be brought from the first filter position into the second cleaning position and / or vice versa by a movement of the filter from a first position to the second position and / or vice versa.
- the movement is a rotary movement.
- this does not have to be a complete rotation of the filter with multiple rotations about its own axis, but the filter is rotated only by a certain angle, which is smaller than 360 °.
- weights may be arranged at corresponding points on the at least one filter element, so that a change of the position of the at least one filter element from a first filter position to a second cleaning position is caused by a corresponding movement or vice versa.
- the filter is designed substantially cylinder jacket-shaped. It is preferably provided that at least one filter element forms a portion of the substantially cylinder jacket-shaped filter. It is further preferably provided that a plurality of Filter elements, in particular of the same design filter elements are provided which form a substantially cylindrical jacket-shaped filter surface.
- the invention includes a filter for an inventive water-conducting household appliance, such as a dishwasher or washing machine.
- Fig. 1 is a schematic representation of a first embodiment of a
- Fig. 2 is a schematic representation of a second embodiment of an inventive filter for a water-conducting household appliance
- FIG. 3 is a schematic representation of a third embodiment of a filter according to the invention for a water-conducting household appliance
- Fig. 4 is a schematic representation of a filter for a water-bearing
- a water-conducting household appliance such as a dishwasher, has a line system (not shown), can be supplied with the rinsing liquor in arranged in a treatment room of a dishwasher spray arms (not shown).
- the spray arms are connected by means of a conduit (not shown) to a sump (not shown) located in the bottom area of the receiving space of the domestic water-conducting appliance, a pump (not shown) being provided to direct the wash liquor from the sump through the conduit to the spray arms promote.
- a filter 2 is arranged in the sump.
- the filter 2 has a substantially cylindrical basic shape with a base body 4, on which three filter elements 6 are pivotally mounted at pivot points 8.
- the three filter elements 6 are designed such that in the first filter position (see FIG. 4) they form a cylindrical lateral surface through which the rinsing fluid passes, for example when the rinsing fluid is circulated during a cleaning process and supplied to the spray arm.
- the water-conducting household appliance such as a dishwasher, designed such that in this operating state, the flowing liquid has a clockwise rotation.
- the filter 2 in order to clean the filter 2, there is a flow reversal, i.e. the filter 2 is supplied with a flow having a counter-clockwise rotation.
- the filter elements 6 are pivoted to a second position, the cleaning position (see Figure 1), in which a filter cake from the surface of the filter elements 6 can solve and
- a drain pump can be disposed of in a house-side sewage disposal system.
- the flow wedges may be designed so that they are moved in a clockwise flowing liquid from the second cleaning position to the first filter position.
- the three filter elements 6 can also be mounted resiliently biased or it can be provided for this purpose, an actuator.
- the pivot elements 8 rotatably mounted on a cylindrical base body 4 three filter elements 6 are additionally connected to attachment points 14 with an annular memory wire 12 in operative connection.
- a reduction in the length of the memory wire causes a reduction in the diameter of the annular memory wire 12 (see Figure 2), so that the three filter elements 6 are moved by the articulation at the attachment points of the first filter position in the second cleaning position.
- the three filter elements may be resiliently biased, or there is a second actuator use.
- the three on the base body 4 at the pivot points 8 on weights 16 which are arranged such that during a rotational movement of the base body 4 about a rotation axis centrifugal forces are generated, which cause the three filter elements 6 from the first filter position be moved to the second cleaning position.
- the base body 4 is not completely rotatable, that is, formed for a plurality of revolutions about its own axis of rotation, but only for rotational movements by a certain angle, which is smaller than 360 °.
- a correspondingly directed centrifugal force can be generated by a corresponding rotational movement of the base body 4, or the three filter elements 6 can be resiliently biased, or an actuator can be used for this purpose is in operative connection with the three filter elements 6.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Washing And Drying Of Tableware (AREA)
- Cleaning In General (AREA)
- Filtration Of Liquid (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08843871T PL2205140T3 (pl) | 2007-10-31 | 2008-10-15 | Prowadzące wodę urządzenie gospodarstwa domowego z filtrem samoczyszczącym |
EP08843871.8A EP2205140B1 (de) | 2007-10-31 | 2008-10-15 | Wasserführendes haushaltsgerät mit selbstreinigendem filter |
CN2008801108745A CN101820808B (zh) | 2007-10-31 | 2008-10-15 | 包括自清洁过滤器的载水家用电器 |
US12/682,786 US9055854B2 (en) | 2007-10-31 | 2008-10-15 | Water-guiding household appliance comprising a self-cleaning filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007052074A DE102007052074A1 (de) | 2007-10-31 | 2007-10-31 | Wasserführendes Haushaltsgerät mit selbstreinigendem Filter |
DE102007052074.5 | 2007-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009056444A1 true WO2009056444A1 (de) | 2009-05-07 |
Family
ID=40456882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/063861 WO2009056444A1 (de) | 2007-10-31 | 2008-10-15 | Wasserführendes haushaltsgerät mit selbstreinigendem filter |
Country Status (7)
Country | Link |
---|---|
US (1) | US9055854B2 (de) |
EP (1) | EP2205140B1 (de) |
CN (1) | CN101820808B (de) |
DE (1) | DE102007052074A1 (de) |
PL (1) | PL2205140T3 (de) |
RU (1) | RU2010119339A (de) |
WO (1) | WO2009056444A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113144709A (zh) * | 2020-01-22 | 2021-07-23 | Bsh家用电器有限公司 | 导水家用器具 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011087202B3 (de) * | 2011-11-28 | 2013-03-14 | BSH Bosch und Siemens Hausgeräte GmbH | Filter und wasserführendes Haushaltsgerät |
EP2443985A3 (de) * | 2012-02-06 | 2012-07-25 | V-Zug AG | Haushaltsgerät mit Filteranordnung im Ablaufsystem |
KR102379020B1 (ko) * | 2013-12-31 | 2022-03-28 | 삼성전자주식회사 | 식기 세척기 및 그 제어방법 |
CN105506934B (zh) * | 2014-09-22 | 2019-08-09 | 青岛海尔智能技术研发有限公司 | 洗衣机的过滤组件的自清洁方法 |
CN105266737A (zh) * | 2015-11-11 | 2016-01-27 | 秦文 | 一种洗碗机 |
US11071931B1 (en) | 2018-12-28 | 2021-07-27 | United Launch Alliance, L.L.C. | Self-cleaning inline filter |
CN110694323B (zh) * | 2019-11-06 | 2021-11-16 | 上海铁能建设工程有限公司 | 一种自动清理型地下工程施工用排污装置 |
CN111185037B (zh) * | 2020-01-16 | 2021-10-29 | 山西京海圣百科技有限公司 | 一种基于滤芯往复转动的工厂污水处理装置 |
CN111686523A (zh) * | 2020-06-24 | 2020-09-22 | 吴剑荣 | 一种仿贝类鳞片式三通过滤管 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3179116A (en) | 1961-09-22 | 1965-04-20 | Gen Motors Corp | Self cleaning variable filter for a dishwasher |
WO1995032785A1 (de) | 1994-05-31 | 1995-12-07 | Roger Greiveldinger | Selbstreinigende filterpatrone für flüssige oder gasförmige medien |
EP0752231A1 (de) * | 1995-07-06 | 1997-01-08 | Merloni Elettrodomestici S.p.A. | Geschirrspülmaschine mit Filtereinrichtung und -verfahren |
DE4131914C2 (de) | 1991-09-25 | 1997-09-18 | Aeg Hausgeraete Gmbh | Siebkombination für Haushalt-Geschirrspülmaschinen |
US5853584A (en) | 1995-05-08 | 1998-12-29 | Bandak As | Self-cleaning filter for filtering of liquids and gases |
DE10244243A1 (de) | 2002-09-24 | 2004-03-25 | Aweco Appliance Systems Gmbh & Co. Kg | Haushaltsmaschine |
WO2007017330A1 (de) | 2005-08-10 | 2007-02-15 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine, insbesondere haushalt-geschirrspülmaschine und verfahren zum betreiben derselben |
US20070228309A1 (en) * | 2006-04-03 | 2007-10-04 | Mark William Friedman | Actuator and valve assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3985656A (en) * | 1974-04-29 | 1976-10-12 | Kostas Savas Arvanitakis | Filter cleaning apparatus |
DE4400485C1 (de) * | 1994-01-11 | 1995-04-20 | Mann & Hummel Filter | Rückspülbares Flüssigkeitsfilter |
DE10065661A1 (de) * | 2000-12-29 | 2002-07-04 | Bsh Bosch Siemens Hausgeraete | Sieb |
DE10065660A1 (de) * | 2000-12-29 | 2002-07-04 | Bsh Bosch Siemens Hausgeraete | Sieb |
CN100431466C (zh) * | 2004-11-26 | 2008-11-12 | 乐金电子(天津)电器有限公司 | 洗碗机的辅助过滤装置 |
-
2007
- 2007-10-31 DE DE102007052074A patent/DE102007052074A1/de not_active Withdrawn
-
2008
- 2008-10-15 EP EP08843871.8A patent/EP2205140B1/de active Active
- 2008-10-15 US US12/682,786 patent/US9055854B2/en active Active
- 2008-10-15 WO PCT/EP2008/063861 patent/WO2009056444A1/de active Application Filing
- 2008-10-15 CN CN2008801108745A patent/CN101820808B/zh active Active
- 2008-10-15 RU RU2010119339/12A patent/RU2010119339A/ru unknown
- 2008-10-15 PL PL08843871T patent/PL2205140T3/pl unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3179116A (en) | 1961-09-22 | 1965-04-20 | Gen Motors Corp | Self cleaning variable filter for a dishwasher |
DE4131914C2 (de) | 1991-09-25 | 1997-09-18 | Aeg Hausgeraete Gmbh | Siebkombination für Haushalt-Geschirrspülmaschinen |
WO1995032785A1 (de) | 1994-05-31 | 1995-12-07 | Roger Greiveldinger | Selbstreinigende filterpatrone für flüssige oder gasförmige medien |
US5853584A (en) | 1995-05-08 | 1998-12-29 | Bandak As | Self-cleaning filter for filtering of liquids and gases |
EP0752231A1 (de) * | 1995-07-06 | 1997-01-08 | Merloni Elettrodomestici S.p.A. | Geschirrspülmaschine mit Filtereinrichtung und -verfahren |
DE10244243A1 (de) | 2002-09-24 | 2004-03-25 | Aweco Appliance Systems Gmbh & Co. Kg | Haushaltsmaschine |
WO2007017330A1 (de) | 2005-08-10 | 2007-02-15 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine, insbesondere haushalt-geschirrspülmaschine und verfahren zum betreiben derselben |
US20070228309A1 (en) * | 2006-04-03 | 2007-10-04 | Mark William Friedman | Actuator and valve assembly |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113144709A (zh) * | 2020-01-22 | 2021-07-23 | Bsh家用电器有限公司 | 导水家用器具 |
Also Published As
Publication number | Publication date |
---|---|
EP2205140B1 (de) | 2017-09-13 |
PL2205140T3 (pl) | 2018-02-28 |
DE102007052074A1 (de) | 2009-05-07 |
US20100243006A1 (en) | 2010-09-30 |
EP2205140A1 (de) | 2010-07-14 |
CN101820808B (zh) | 2012-11-28 |
RU2010119339A (ru) | 2011-12-10 |
CN101820808A (zh) | 2010-09-01 |
US9055854B2 (en) | 2015-06-16 |
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