EP3414461A1 - Wäschepflegegerät mit einer laugenpumpe - Google Patents
Wäschepflegegerät mit einer laugenpumpeInfo
- Publication number
- EP3414461A1 EP3414461A1 EP17700102.1A EP17700102A EP3414461A1 EP 3414461 A1 EP3414461 A1 EP 3414461A1 EP 17700102 A EP17700102 A EP 17700102A EP 3414461 A1 EP3414461 A1 EP 3414461A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction chamber
- laundry care
- pump
- pumping
- filter element
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
-
- 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
- D06F39/08—Liquid supply or discharge arrangements
-
- 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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/51—Inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Definitions
- the present invention relates to a laundry care device with a drain pump.
- lye pumps are used to ensure efficient pumping of washing liquid from the laundry care appliance through a pump-down line.
- conventional laundry care appliances also have a pumped-circulation system, through which washing liquid can be pumped out of the tub and subsequently returned to the tub.
- EP 2 559 803 A1 discloses a washing machine with a drainage pump, wherein a filter insert is arranged in a filter housing of the drainage pump.
- DE 695 21 681 T2 discloses a centrifugal pump with a suction chamber, which is positioned between the two impeller housings and communicates with them through two openings.
- a laundry care apparatus having a drain pump, the drain pump having a suction chamber with a suction port for fluidly connecting to a suction line, a pumping pressure chamber with a pumping connection for fluidly connecting to a pumping line, and a pumping pressure chamber with a pumping connection fluidly connected to a pumping line, and a filter element, which is accommodated in the suction chamber, wherein the filter element has a wall portion which is arranged between the suction chamber and the Umpump réellehunt to delimit the suction chamber and the Umpump réellewait from each other, wherein the wall portion has a wall opening to the suction chamber and the Umpumpdrucksch fluidly with each other connect to.
- the technical advantage is achieved that when removing the filter element from the suction chamber, the wall portion of the filter element, which is arranged between the suction chamber and the Umpumpdrucksch, is removed from the suction chamber.
- the pumping pressure chamber is not delimited from the suction chamber, but is accessible from the suction chamber. In this way, when the drain pump is being cleaned, the pumped-circulation pressure chamber can be cleaned from the suction chamber, thereby enabling a simplified cleaning of the drain pump.
- the wall portion of the filter element ensures a center of gravity of the drain pump front of the housing interface.
- the filter element with the wall portion can thus be used in a common suction chamber both for a pumping down as for a pumping operation.
- a maintenance-free use of the filter element is possible without having to use a lint filter.
- the filter element accommodated in the suction chamber of the drain pump makes it possible, by means of the wall section, for an effective demarcation between the suction chamber and the pumping-over pressure chamber.
- the boundary between the suction chamber and the pumping-around pressure chamber is removed.
- the pumped-circulation pressure chamber can be cleaned from the suction chamber, thereby enabling a simplified cleaning of the drain pump.
- a laundry care device is understood to mean a device which is used for laundry care, such as a washing machine or a tumble dryer.
- a laundry care appliance is understood as a household laundry care appliance. So a laundry care device, which is used in the context of household management, and is treated with the laundry in normal household quantities.
- the drain pump has a partition disposed between the suction chamber and the pump down pressure chamber for separating the suction chamber and the pump down pressure chamber, the partition having an opening for fluidly connecting the suction chamber and the pump down pressure chamber.
- the technical advantage is achieved that an effective separation of the suction chamber and the Abpump réellehunt is ensured by the partition wall of the drain pump.
- the filter element has a further wall section, which is arranged between the suction chamber and the Abpump réellehunt to delimit the suction chamber and the Abpump réellehunt from each other, wherein the further wall portion has a further wall opening to the suction chamber and the Abpump réellehunt each other fluidly connect.
- the technical advantage is achieved that an effective delimitation between the suction chamber and the Abpumpdrucksch is ensured by the further wall portion of the filter element when the filter element is received in the suction chamber.
- the further wall opening in the further wall section washing liquid can be effectively pumped from the suction chamber into the pumping pressure chamber.
- the delimitation between the suction chamber and Abpump réellesch is removed.
- both the suction chamber and the pumping pressure chamber can be effectively cleaned during a cleaning process.
- the drain pump on a further partition wall which is arranged between the suction chamber and the Umpumpdrucksch to delimit the suction chamber and the Umpumpdrucksch from each other, wherein the further partition has a further opening, wherein the wall portion of the filter element in the further opening is included to ensure a fluidic seal between the further partition wall and the wall portion.
- the technical advantage is achieved that an effective separation between the suction chamber and the Umpumpdruckhunt is ensured by the recorded in the further opening of the further partition wall portion of the filter element.
- the drain pump has a guide rail, which is arranged on an inner side of the suction chamber, and the filter element is arranged movably on the guide rail and can be positioned along the guide rail in the suction chamber.
- the filter element movably arranged on the guide rail can advantageously be positioned in the suction chamber in order to advantageously arrange the wall section of the filter element between the suction chamber and the recirculation pressure chamber.
- the filter element movably arranged in the guide rail can also advantageously be removed from the suction chamber in order to allow effective cleaning of the suction chamber and the pumping-around pressure chamber.
- a circumferential sealing element is arranged on the wall section in order to ensure an effective fluidic sealing between the wall section and a pump housing of the drain pump.
- the sealing element arranged on the filter element consists of a plastic, in particular of ethylene-propylene-diene rubber (EPDM).
- the filter element has a positioning element, in particular a stop, for positioning the filter element in the suction chamber.
- the technical advantage is achieved that the positioning, in particular stop, limits the insertion movement of the filter element in the suction chamber, whereby the filter element can be effectively positioned in the suction chamber.
- the suction chamber has an internal thread
- the filter element has an external thread
- the technical advantage is achieved that an effective fixation of the filter element in the suction chamber is ensured by screwing the filter element into the suction chamber by the two intermeshing thread.
- the drain pump has a pump motor and an impeller, wherein the pump motor is designed to drive the impeller in a rotational direction to pump washing liquid from the suction chamber into the Umpumpdruckhunt and through the Umpumpstutzen in the Umpump ein.
- the laundry care appliance has a suds container, wherein the suction line and the recirculation line are each fluidly connected to the suds container, and wherein the pump motor is designed to pump washing liquid out of the suds container into the suction chamber through the suction line, and the siphoned off Re-pump washing liquid through the pumping connection and through the pumping line into the tub.
- the drain pump has a further pump motor and a further impeller, wherein the further pump motor is designed to drive the further impeller in a rotational direction, to washing liquid from the suction chamber in the Abpumpdruckhunt and through the pumping nozzle in the Abpump effet pump.
- the pumping line is fluidly connected to an outside area of the laundry care device, wherein the further pump motor is designed to pump washing liquid out of the laundry care device through the pumping down tube and through the pumping line.
- the technical advantage is achieved that an efficient pumping out of washing liquid from the laundry care device is ensured by the fluidic connection of the pumping line to the outside area of the laundry care device.
- the pump motor or the further pump motor comprises an electric motor, in particular a brushless DC motor (BLDC motor).
- the technical advantage is achieved that by the electric motor, in particular brushless DC motor, an effective and effective Abpump - or pumping the pump can be operated.
- the pump motor and / or the further pump motor are connected to the pumping-around pressure chamber and / or to the pumping-down pressure chamber by means of a bayonet closure.
- the filter element comprises a foreign body trap, which in particular has a number of filter walls, which are arranged horizontally in the foreign body trap.
- Fig. 1 is a schematic view of a laundry care device
- FIG. 2 shows a schematic view of a drain pump of a laundry care appliance in a sectional representation
- FIG. and Fig. 3 is a side view of a drain pump of a laundry care device.
- Fig. 1 shows a schematic view of a general laundry care appliance, such as e.g. a washing machine.
- the laundry care device 100 comprises an induction bowl 101, into which detergent or other liquid substances can be introduced.
- the laundry care appliance 100 comprises a door 103 for loading the laundry care appliance 100 with laundry.
- the drain pump 105 comprises a suction chamber 107 which has a suction nozzle 109, which in turn can be fluidly connected to a suction line.
- the drain pump 105 further includes a Abpumpdruckhunt 1 1 1, which has a pumping port 1 13, which in turn can be fluidly connected to a pumping line.
- the drain pump 105 further comprises a pumping pressure chamber 1 15, which has a pumping-up 1 1 17, which in turn can be fluidly connected to a pumping Umpump réelle a pumping system.
- the pumping port 1 13, pumping port 1 17, suction line, pumping and Umpump effet not shown. Since a filter element 123 is accommodated in the suction chamber 107, the suction chamber 107 is shown only schematically in FIG.
- the drain pump 105 has a partition wall 1 19, which delimits the suction chamber 107 of the pumping pressure chamber 1 1 1.
- the Abpumpdruckhunt 1 1 1 is fluidly connected to the suction chamber 107 through an opening, wherein the opening in Fig. 2 is not shown.
- the drain pump 105 has a further partition wall 121, which delimits the suction chamber 107 from the pumping pressure chamber 15.
- the further partition wall 121 has a further opening 133, whereby a fluid-technical connection of the suction chamber 107 with the pumping-around pressure chamber 15 1 is made possible.
- the further opening 133 is not shown in Fig. 2.
- a filter element 123 In the suction chamber 107 of the drain pump 105, a filter element 123, in particular a foreign body trap, accommodated to filter foreign matter from the pumped through the drain pump 105 washing liquid.
- the filter element 123 has a Wandungsabites 125, which is arranged between the suction chamber 107 and the pumping around Umpumpdruckwait 1 15 to delimit the suction chamber 107 of the Umpump réellewait 15 1.
- the wall section 125 is received in particular in the further opening 133 of the further partition wall 121, in order to achieve an effective delimitation of the suction chamber 107 from the recirculation pressure chamber 15.
- the wall section 125 of the filter element 123 has a wall opening 127, which is not shown in FIG. Through the wall opening 127 washing liquid can be pumped by the suction chamber 107 in the pumping around Umpumpdruckwait 1 15.
- FIG. 3 shows a side view of a drain pump of a laundry care appliance according to FIG. 2.
- the drain pump 105 comprises a suction chamber 107 with a suction nozzle 109, a pumpdown pressure chamber 11 with a pumping out nozzle 13, and a pumping-up pressure chamber 15 with a pumping-up nozzle 11.
- the pumping pressure chamber 11 is not visible and shown only schematically.
- the drain pump 105 has a further partition wall 121, which delimits the suction chamber 107 from the pumping pressure chamber 15.
- the further partition wall 121 has a further opening 133, which enables a fluid-technical connection of the suction chamber 107 and the pumping-around pressure chamber 15.
- the drain pump 105 further includes a filter element 123 which is received in the suction chamber 107.
- a filter element 123 which is arranged between the suction chamber 107 and the pumping around Umpump réellewait 1 15 to delimit the suction chamber 107 of the Umpump réellewait 15 1.
- the wall portion 125 in the further opening 133 of the further partition wall 121 received fluid-tight, in order to achieve an effective delimitation of the suction chamber 107 of the Umpump réellesch 15.
- the wall section 125 of the filter element 123 has a wall opening 127. Through the wall opening 127 washing liquid can be pumped by the suction chamber 107 in the pumping around Umpumpdruckschumming 1 15.
- the drain pump 105 is characterized by a compact and short design of the pump body and by an integrated with the pump motors design, in particular bayonet coupling from.
- the horizontal arrangement of the pump motors, not shown in Fig. 3, in particular the position of the motor axes, ensures a wear-optimal function and life.
- Existing interfaces of the system solution "pumping off" can be used and remain unchanged, so that two separate functions, pumpdown and pumping can be integrated in the drain pump 105.
- Both the circulation pump and the drain pump are in a common filter housing of the drain pump 105 with removable Filter element 123 accommodated, wherein the filter element 123 is arranged in the drain pump 105 so that it is accessible from the outside for revision.
- the drain pump 105 is designed so that the interface for installation in the housing of the laundry care device 100 is suitably maintained in the existing device system or device concept, without housing parts are changed, so that a revision of the circulation pump is made possible.
- a cleaning or maintenance of the pump hydraulics is accomplished with the proposed solution also by the filter insert 123 as a foreign body trap, which is designed to remove small parts in a maximum dimension of 10 mm pump and hose throughout, so that there can be no blockages, so that a Lint filter, which requires increased maintenance, is not required.
- the Umpumpdrucksch 1 15 extends axially to the suction chamber 107, it comes through the structural shape of the separation for an effective demarcation between the Umpump réellewait 1 15 and the suction chamber 107. This is ensures that a snug fit between the wall of the Umpump réellehunt 1 15 and the Wandungsabiteses 125 of the filter element 123 is achieved, whereby the hydraulic function is ensured. As a result, in a cleaning of the entire pump hydraulic chamber, in particular the Umpump réellesch 1 15 with the impeller, the accessibility and cleaning possibility of Umpumpdruckformat 1 15 ensured as an advantage.
- the wall opening 127 in the wall section 125 of the filter element 123 is dimensioned so that foreign bodies with a dimension of greater than 10 mm are not allowed to pass and can not lead to blockages in the further course of the line.
- the filter element 123 is received in a common suction chamber 107 of the drain pump 105 and allows filtering during a pumping and Umpumpvorgangs. It is an externally accessible and revisable filter space and a revisable impeller in the Umpump réellehunt 1 15 allows and provided a maintenance-free filter element 123 for the pumping and Umpumpvorgang.
- the foreign matter size in the circulation flow rate up to a maximum of 10 mm is permissible. No lint filter is required and series drive motors can be used. All features explained and shown in connection with individual embodiments of the invention may be provided in different combinations in the article according to the invention, in order to simultaneously realize their advantageous effects.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016201972.4A DE102016201972B3 (de) | 2016-02-10 | 2016-02-10 | Wäschepflegegerät mit einer Laugenpumpe |
| PCT/EP2017/050052 WO2017137176A1 (de) | 2016-02-10 | 2017-01-03 | Wäschepflegegerät mit einer laugenpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3414461A1 true EP3414461A1 (de) | 2018-12-19 |
| EP3414461B1 EP3414461B1 (de) | 2019-10-09 |
Family
ID=57755306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17700102.1A Active EP3414461B1 (de) | 2016-02-10 | 2017-01-03 | Wäschepflegegerät mit einer laugenpumpe |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3414461B1 (de) |
| CN (1) | CN108700088B (de) |
| DE (1) | DE102016201972B3 (de) |
| RU (1) | RU2715470C1 (de) |
| WO (1) | WO2017137176A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018221092A1 (de) * | 2018-12-06 | 2020-06-10 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200149370Y1 (ko) * | 1995-03-31 | 1999-06-15 | 전주범 | 세탁기의 이물질 걸름장치 |
| IT236788Y1 (it) * | 1995-04-05 | 2000-08-17 | Candy Spa | Gruppo integrale di deviazione di flusso a due pompe indipendentie filtro comune per lavatrici e simili |
| JP2001321596A (ja) * | 2000-05-17 | 2001-11-20 | Sharp Corp | フィルター装置及び排水ポンプ装置 |
| DE10046349B4 (de) * | 2000-09-19 | 2015-08-27 | BSH Hausgeräte GmbH | Haushaltgerät |
| JP2006263359A (ja) * | 2005-03-25 | 2006-10-05 | Sanyo Electric Co Ltd | 洗濯機 |
| KR101332286B1 (ko) * | 2007-04-17 | 2013-11-22 | 삼성전자주식회사 | 세탁기 |
| KR101445732B1 (ko) * | 2007-07-11 | 2014-09-29 | 삼성전자 주식회사 | 세탁기 |
| KR101375717B1 (ko) * | 2011-01-21 | 2014-03-19 | 삼성전자주식회사 | 세탁기 및 이에 구비되는 펌프필터 |
| JP5799200B2 (ja) * | 2011-02-23 | 2015-10-21 | パナソニックIpマネジメント株式会社 | ドラム式洗濯機 |
| EP2559803A1 (de) * | 2011-08-18 | 2013-02-20 | Miele & Cie. KG | Waschmaschine mit einem Laugenbehälter und Umflutpumpe |
-
2016
- 2016-02-10 DE DE102016201972.4A patent/DE102016201972B3/de not_active Expired - Fee Related
-
2017
- 2017-01-03 CN CN201780010800.3A patent/CN108700088B/zh active Active
- 2017-01-03 EP EP17700102.1A patent/EP3414461B1/de active Active
- 2017-01-03 RU RU2018128459A patent/RU2715470C1/ru active
- 2017-01-03 WO PCT/EP2017/050052 patent/WO2017137176A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| RU2715470C1 (ru) | 2020-02-28 |
| EP3414461B1 (de) | 2019-10-09 |
| DE102016201972B3 (de) | 2017-03-02 |
| CN108700088A (zh) | 2018-10-23 |
| WO2017137176A1 (de) | 2017-08-17 |
| CN108700088B (zh) | 2020-04-21 |
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