Household appliance for treating laundry

DE502019012872D1Active Publication Date: 2025-02-13BOSCH SIEMENS HAUSGERATE GMBH
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Patent Information

Application Number
DE502019012872
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2018-08-09
Filing Date
2019-07-10
Publication Date
2025-02-13
Estimated Expiration
2039-07-10

AI Technical Summary

Technical Problem

Existing laundry treatment systems fail to effectively prevent or reduce the release of microplastic fibers during cleaning and drying processes, leading to contamination of fluids and prolonged processing times.

Method used

A household appliance with a rotatable recording container that is controlled to slow down and stop during filter phases, using a predetermined brake curve to minimize fiber detachment, allowing for efficient filtering and recycling of fiber-free fluids.

Benefits of technology

This approach reduces fiber contamination in cleaning and drying processes, ensuring cleaner laundry and shorter processing times by preventing further fiber detachment and allowing for immediate filtering after each phase, thus maintaining a nearly fiber-free fluid for recirculation.

✦ Generated by Eureka AI based on patent content.
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Description

[0001] The present invention relates to a household appliance for treating laundry.

[0002] Household appliances for laundry treatment use filter units to filter fluids. The household appliance can perform, among other things, cleaning and / or drying processes. During these processes, the laundry is held in a container within the household appliance. During the cleaning and / or drying process, the container is moved mechanically, essentially around a rotational axis. The laundry held in the container is moved and simultaneously mixed with a fluid. During the cleaning process, the fluid consists primarily of a water-soap mixture, also known as wash liquor, and during the drying process, it consists primarily of steam or process air.

[0003] During cleaning and / or drying processes, the fluids also mix with particles that are released from the clothing. These particles can be dust and / or dirt particles, for example. Furthermore, fibers, particularly microplastic fibers that are found in fleece garments, among other things, are released from the laundry. In this case, the main focus is on the fibers that are increasingly released from the laundry during these processes. In order to achieve good cleaning or drying results or to provide environmentally friendly cleaning and / or drying processes, these fibers must be removed from the fluids. In pump-circulation systems, filtering can take place before the fluid is pumped over. When the fluid is no longer needed for the respective process, it is pumped out and directed into a drain.In the area of ​​this drain line, the fluid is also passed through a filter, unless it has already been filtered before this area.

[0004] Filter systems in washing machines equipped with pumping units are known, among other things, from the document US 2013 / 0312201 A1. This document describes a washing machine with a pumping unit in which the washing solution is pumped by means of a pump unit into a pumping unit, also known as a recirculation system, and through a filter unit. The filtered fluid is then fed back into the washing process. The filter unit also has a filter and a measuring unit. The measuring unit measures a flow rate or flow velocity of the washing solution and uses the measured values ​​to detect whether the filter is blocked. If this is the case, the washing machine stops the pumping process. In order to continue the washing process, new washing solution is added to the washing process.

[0005] Another publication, US 4833900 A, describes a filter unit for washing machines with pump-over systems. The filter unit consists of two filters. The first filter is designed as a wide-mesh filter, and the second as a narrow-mesh filter. The washing solution flows through the first filter when the washing solution is directed into a drain line. The second filter is flowed through by the washing solution when the washing solution is directed into the pump-over system.

[0006] As the two publications cited above demonstrate, various filter systems for pump-over systems are known from the prior art that filter fibers from the pump-over or recirculation system. During the filtering process, the cleaning or drying process typically continues, meaning the collection container continues to rotate. This results in fibers being removed from the laundry almost continuously.

[0007] US 2009 / 049874 A1 discloses a washing machine that performs a sterilization process and a deodorization process in a stationary receiving container.

[0008] US4,916,768 A discloses a washing machine comprising a control unit that controls a receiving container such that the receiving container is driven at different rotation speeds.

[0009] WO 2017 / 101764 A1 discloses a washing machine comprising a collection tank for water.

[0010] It is therefore the object of the invention to design a household appliance with a cleaning or drying process in which the release of fibers from the laundry is prevented or reduced during the filtering process, so that a low-fiber fluid predominates in the receiving container during a cleaning or drying process.

[0011] This object is achieved by the features of patent claim 1. Advantageous embodiments are the subject of the dependent patent claims, the description, and the drawings.

[0012] According to one aspect, the object of the invention is achieved by a household appliance for treating laundry, wherein the household appliance comprises a receiving container for laundry and the receiving container is rotatably received in the household appliance.Furthermore, the household appliance according to the invention comprises a drive unit for driving the receiving container, a control unit for controlling the drive unit, a pump unit for pumping around and / or pumping out the fluid present during a cleaning and / or drying process in such a way that, in a filtering phase, the fluid can be guided through a filter unit for filtering fibers that essentially detach from the laundry during the cleaning and / or drying process, wherein the control unit is designed in such a way that, in the filtering phase, the receiving container is in a rest position, wherein the rest position of the receiving container is controlled in such a way that the receiving container follows a predetermined braking curve in accordance with a predeterminable reduction in speed, whereby a gentle braking of the receiving container can be achieved, which in turn benefits the laundry to be treated.

[0013] By stopping the collection container, no further fibers are released from the laundry during the filtering phase. The recirculated fluid is thus pumped back into the cleaning and / or drying process virtually fiber-free, allowing it to repeatedly wet or wet the laundry with virtually no fibers. This control system ensures a gentle deceleration of the collection container. This, in turn, benefits the laundry being treated, as it reduces frictional forces between the collection container and the laundry, thus resulting in fewer fibers being released from the laundry.

[0014] Advantageously, the cleaning process essentially comprises at least one washing phase, at least one rinsing phase, and at least one filtering phase, wherein the rinsing phase further comprises at least one spin sequence and at least one rinsing sequence. Therefore, a further advantage of the embodiment according to the invention is that the filtering phase begins after a washing and / or rinsing phase, preferably after almost every washing and / or rinsing phase, preferably after every washing and / or rinsing phase.

[0015] During each wash and / or rinse phase, new fibers are released from the laundry and then sent to the cleaning and / or drying process. By filtering the fluid after one of these processes, the newly released fibers can be removed from the cleaning and / or drying process.

[0016] Preferably, the drying process essentially comprises at least one spinning phase and at least one drying phase. Therefore, a further advantage of the embodiment according to the invention is that the filtering phase occurs after a spinning sequence and / or phase and / or drying phase, preferably after almost every spinning sequence and / or phase and / or drying phase, preferably after every spinning sequence and / or phase and / or drying phase.

[0017] Due to the high speeds that occur during spin sequences and / or phases, and / or the air circulation during drying phases, additional or new fibers are increasingly released from the laundry, which then enter the cleaning and / or drying process. These fibers can be removed from the cleaning and / or drying process by filtering after one of the aforementioned phases.

[0018] Advantageously, the filtering phase takes place before a washing and / or rinsing and / or drying phase or in an interruption of the washing and / or rinsing and / or drying phase, preferably in almost every interruption of the washing and / or rinsing and / or drying phase, preferably in every interruption of the washing and / or rinsing and / or drying phase.

[0019] Before the washing and / or rinsing and / or drying phases, or during breaks between the washing and / or rinsing and / or drying phases, the fibers released from the laundry during the last phase can be removed from the cleaning and / or drying process, preventing the fibers from re-entering the subsequent phases of the cleaning and / or drying process. Furthermore, the breaks can be used for filtering phases, preventing the cleaning and / or drying process from being prolonged.

[0020] A further aspect of the invention is that the fluid present in the cleaning and / or drying process flows, after passing through the filter unit, into a drain line and / or into a recirculation line for returning the fluid to the cleaning and / or drying process.

[0021] The filtered, environmentally friendly fluid, which is almost free of microfibers, can thus be fed directly into the drain line and / or pumped into the recirculation line to be used in the next or new cleaning and / or drying process.

[0022] Preferably, a storage element is arranged after the filter unit.

[0023] The storage element serves to store the filtered fluid, regardless of its further intended use.

[0024] Advantageously, the storage element is designed to store the fluid present during the cleaning and / or drying process after flowing through the filter unit and to guide the fluid via the pump unit to the drain line and / or the recirculation line.

[0025] The fluid can be collected in the storage element. It can then be pumped either into the drain line or into the recirculation line. If the fluid is to be pumped into the drain line, one pumping process is sufficient to remove the fluid collected in the storage element. If the fluid is intended for recirculation, the filtered fluid can be stored there until a next phase of the cleaning and / or drying process begins or a new cleaning and / or drying process is initiated. Furthermore, it can be checked whether the stored fluid is sufficient for another washing and / or drying process or whether new fluid needs to be mixed with the filtered fluid to ensure there is enough fluid for a next phase of the cleaning and / or drying process or a new cleaning and / or drying process.

[0026] According to a second aspect of the invention, the object is achieved by a method for filtering fibers from laundry that accrue in a household appliance for treating laundry. The household appliance comprises a laundry receptacle, wherein the receptacle is rotatably mounted in the household appliance, a drive unit for driving the receptacle, a control unit for controlling the drive unit, a pump unit for pumping around and / or pumping out the fluid present during the cleaning and / or drying process such that the fluid is passed through a filter unit for filtering fibers that essentially detach from the laundry during the cleaning and / or drying process. The control unit is designed such that the receptacle is stopped during the filtering phase for filtering the fluid, wherein the stopping of the receptacle is controlled such thatthat braking of the receiving container is carried out along a predetermined braking curve in accordance with a predeterminable reduction in speed, whereby a gentle braking of the receiving container is achieved, which in turn benefits the laundry to be treated.

[0027] This achieves the technical advantage of stopping the collection container, preventing it from continuing to move during the filtering phase, thus preventing fibers from detaching from the laundry. Furthermore, abrupt braking of the collection container is avoided, so that little to almost no friction occurs between the laundry and the collection container, which would then detach fibers from the laundry. Thus, slow braking, or braking along a predetermined braking curve according to a predefined reduction in speed, is gentle on the laundry and environmentally friendly, as fewer microplastic fibers are released from the laundry.

[0028] Preferably, the filtering phase is carried out after one of the phases carried out in the cleaning and / or drying process, wherein the cleaning process essentially comprises a washing process which essentially comprises at least one wetting phase, at least one washing phase, at least one rinsing phase, at least one filtering phase and at least one spinning phase, wherein the spinning phase comprises at least one spinning sequence and one rinsing sequence, and wherein the drying process essentially comprises at least one spinning phase and at least one drying phase.

[0029] This has the advantage that the fibers generated in one of the phases of a cleaning and / or drying process are removed from the cleaning and / or drying process immediately after the end of that phase.

[0030] Advantageously, the filtering phase is performed before one of the phases of the cleaning and / or drying process. Filtering immediately before one of the phases of the cleaning and / or drying process ensures that few or almost no fibers are introduced into a subsequent phase of the cleaning and / or drying process.

[0031] It is particularly advantageous if the filtering phase is carried out during an interruption of the cleaning and / or drying process.

[0032] Since the process is already delayed by the interruption of the cleaning and / or drying process, this interruption can be used for a filtering phase, so that at least one additional filtering phase, which would prolong the cleaning and / or drying process, can be omitted and the process is thus shortened or not prolonged.

[0033] Further features and advantages of the present invention will become apparent from the following description with reference to the drawings. Fig. 1 shows a schematic front view of a household appliance for treating laundry, here a washing machine; Fig. 2 shows a schematic front view of a household appliance for treating laundry, here a dryer; Fig. 3 shows a schematic view of a household appliance for treating laundry using a circulation principle, here a washing machine; Fig. 4 shows a schematic view of a household appliance for treating laundry using a circulation principle, here a dryer.

[0034] In the Fig. 1 and 2 a schematic front view of a household appliance 1 is shown, wherein in Fig. 1 a washing machine A and Fig. 2 a dryer B is shown.

[0035] In Fig. 11 shows a schematic front view of a household appliance 1 for treating laundry, in particular a washing machine A. The household appliance 1 has a washing machine front wall 2. On the washing machine front wall 2, among other things, a movable dispenser tray 3, into which a laundry care substance, such as detergent, can be poured, and a washing machine display unit 4, with which, among other things, a washing program can be set, are arranged. Furthermore, a pivoting washing machine door 5 is arranged on the washing machine front wall 2 of the household appliance 1.

[0036] In Fig. 2 is a schematic front view of a household appliance 1 for treating laundry, in particular a dryer. The household appliance 1 in Fig. 2has a dryer front wall 6. On this dryer front wall 6, in an upper region of the dryer front wall 6, there are essentially a heat exchanger tray 7, also referred to as a condensate tray, and a dryer display unit 8. Furthermore, a pivoting dryer door 9 is arranged on the dryer front wall 6 of the household appliance 1.

[0037] A washer-dryer is also to be read under a household appliance 1 for laundry care, but a further explanation is omitted below.

[0038] The fluid that flows, streams, or is used in the household appliance 1 can be, among other things, water, washing liquid, or fabric softener in washing machines A. In dryers, the fluid is usually air or process air.

[0039] In Fig. 3This is a schematic view of a household appliance for treating laundry using a circulation system. This is a schematic interior view of a washing machine.

[0040] The laundry care appliance 1 is described in more detail below using a washing machine A as an example. The laundry care appliance 1 comprises a recirculation unit 10, a receiving container 11 for receiving laundry, also referred to as a washing drum, and a lye container 12 for receiving washing liquor. The receiving container 11 is rotatably received in the lye container 12. The lye container 12 further has a supply opening 13 and a discharge opening 14 with a discharge line 14a. The recirculation unit 10 comprises a recirculation line 15, which fluidically connects the supply opening 13 to the discharge line 14a and thus to the discharge opening 14. Furthermore, the recirculation unit 10 comprises a pump unit 16 connected to the recirculation line 15. The pump unit 16 is designed to pump or discharge washing liquor through the discharge opening 13 from the suds container 12 into the recirculation line 15 of the recirculation unit 10.and to pump the washing liquor from the recirculation line 15 through the feed opening 13 back into the suds container 12. The pump unit 16 essentially has a pump drive 17a and at least one pump 17b. The pump drive 17a essentially drives the at least one pump 17b. Furthermore, the laundry care appliance 1 comprises a dispensing device 18, which is connected to the suds container 12 via a dispensing line 19, for introducing, among other things, fresh water into the suds container 12.

[0041] The household appliance 1 further comprises a drive unit 20 for driving the receptacle 11 and a control unit 21 for controlling the drive unit 20. The control unit 21 is connected to the drive unit 20 via a drive control line 22 and to the pump unit 16 via a control connection 23. Furthermore, the household appliance 1 has a drain line 25 that directs the washing solution to a drain (not shown) when it can no longer be used or is needed. The drain line 25 is also fluidly connected to the discharge opening 14.

[0042] In the area of ​​the discharge line 14a, a filter unit 27 is arranged, which filters the washing liquor that flows or is pumped out of the discharge opening 14. The filter unit 27 can be arranged before or after the pump unit 16. The composition of the filter unit 27 can be freely selected, so that an optimal composition can be achieved for the intended use. However, the filter unit 27 should in any case be selected so that the dust and dirt particles mentioned above, as well as the fibers, can be filtered out of the washing liquor. In terms of fluid technology, the recirculation line 15 and the drain line 25 are arranged downstream of the filter unit 27 so that the fibers cannot get into either of these lines 15, 25. The control unit 21 determines which of the two lines 15, 25, the recirculation line 15 or the drain line 25, the washing liquor is ultimately pumped into.This can depend on the degree of soiling in the wash solution or on the cleaning process itself. A cleaning process can consist of several phases, which are discussed in more detail below.

[0043] Furthermore, a storage element 29 can be connected downstream of the filter unit 27.

[0044] The storage element 29 can preferably be arranged in the recirculation unit 10. The recirculation line 15 can be designed in one piece or in multiple pieces, depending on where the storage element 29 is arranged. The storage element 29 serves to store water and / or washing solution that is not required for the current cleaning process or one of the phases of the cleaning process, or is collected there to be used for a subsequent cleaning process. Furthermore, the storage element 29 can also be arranged in the area of ​​the drain line 25 in order to collect the drain water there. This can reduce the number of pumping processes because, for example, pumping only has to take place once in a cleaning process. This would contribute to a reduction in the time required for the cleaning process. It is also conceivable for the storage element 29 to be arranged upstream of the filter unit 27 and for the water orthe washing liquor, which flows from the suds container 12 via the discharge opening 14 into the discharge line 14a, is stored in front of the filter unit 27.

[0045] A cleaning process essentially comprises at least one wetting phase, at least one washing phase, at least one rinsing phase, and at least one filtering phase. The rinsing phase is in turn divided into at least one spin sequence and at least one rinsing sequence. How often each of the above-mentioned phases is performed depends, among other things, on the amount of laundry to be cleaned and the degree of soiling, as well as on the selected cleaning program.

[0046] During the wetting phase, the laundry is wetted with water or wash liquor. This can be done via injection nozzles (not shown) and / or via the induction line 19. The wetting phases can be repeated as often as required. During the washing phase, the laundry is circulated and washed while the receiving container 11 rotates. The laundry, saturated with wash liquor, is rinsed during the rinsing phase, so that the wash liquor is flushed out of the laundry. This is usually done through several spin and rinse sequences.

[0047] During the individual phases mentioned above, the laundry is moved back and forth in the receiving container 11, thereby experiencing friction caused by the rotation of the receiving container 11 or the wash solution or water. In the process, the dust and dirt particles are released from the laundry, but fibers, particularly microplastic fibers, are also released from the laundry. These fibers are harmful to the environment and contaminate the cleaning process. The dust and dirt particles, as well as the fibers, are filtered out of the wash solution or the water discharged through the discharge opening 14 by the filter unit 27. The above-mentioned filter phases are intended for this purpose.

[0048] During the filtering phase, which can be started as often as required or can be switched between the individual phases, the water and / or the washing solution located in the tub 12 is pumped through the filter unit 27 by the pump unit 16. During the filtering phase, the receiving container 11 is in a rest position, i.e. no mechanical action or other kinetic energy acts on the receiving container 11. Preferably, no new washing solution or water is introduced into the tub 12 via the induction line 19. The receiving container 11 is controlled via the control unit 21. Preferably, the receiving container 11 is braked into the rest position along a predetermined braking curve in accordance with a predeterminable reduction in speed. It is advantageous that the braking does not occur abruptly so that very high frictional forces can act on the laundry.Preferably, the deceleration should be as slow as possible, as this creates the least friction between the laundry and the receiving container 11. However, an unnecessary prolongation of the cleaning process should be avoided.

[0049] A filter phase advantageously follows a wash and / or rinse phase. This allows fibers that have detached from the laundry during the preceding wash and / or rinse phase to be immediately removed from the cleaning process, thus achieving, for example, a better cleaning result. The more often a filter phase occurs, the fewer fibers the wash solution or water contains. Preferably, a filter phase takes place after almost every wash and / or rinse phase, or even after every wash and / or rinse phase. It is important to select a reasonable number of filter phases so that the cleaning result is optimal, but the duration of the cleaning process does not increase indefinitely.

[0050] It is also conceivable for the filtering phase to take place before the washing and / or rinsing phase or during an interruption in the washing and / or rinsing phase. This has the advantage that the cleaning process does not have to be interrupted for an extended period in order to implement at least one filtering phase into the cleaning process. Arranging the filtering phase before a washing and / or rinsing phase has the advantage that the washing solution or water required for the subsequent phase is filtered immediately before reuse or further use and is thus introduced into the subsequent phase in a particularly freshly treated state. The filtering phase can preferably be carried out at almost any time, preferably during any interruption in the washing and / or rinsing phase.

[0051] In Fig. 4A schematic view of a household appliance 1 for treating laundry using a circulation principle is shown. This is a schematic interior view of a dryer B, with individual components of the dryer shown only in a highly simplified manner.

[0052] The household appliance 1 in Fig. 4, hereinafter referred to as a dryer B, also comprises a receiving container 31 for laundry. The dryer B further comprises a filter unit 33 which is arranged in a recirculation circuit of a recirculation unit 35. The fluid that predominantly flows during the drying process is air. This can contain, among other things, moisture particles or be in vapor form. The fluid is led from the receiving container 31 through a discharge opening 36 into a discharge line 36a and pumped through the filter unit 33 by means of a pump unit 37. In the filter unit 33, dust particles and / or fibers that become detached from the laundry during the drying process are removed from the fluid. Via at least one recirculation line 39, the fluid is pumped back into the receiving container 31 via a feed opening 40. The discharge opening 36 is thus fluidly connected to the feed opening 40. Furthermore, a storage element 45 can be connected downstream of the filter unit 33.Analogous to the storage element 29, the filtered fluid is also stored in the storage element 45 for a new or subsequent drying process. If it is no longer needed, the fluid can be removed from the drying process via a drain line 44. The pump unit 37 is controlled by a control unit 41. The control unit 41 also controls a drive unit 43, with the drive unit 43 driving the receiving container 31. The pump unit 37 comprises at least one pump 38a and a pump drive 38b.

[0053] A drying process essentially comprises at least one spin phase and at least one drying phase. During the spin phase, the laundry contained in the receiving container 31 releases moisture. This moisture is pumped out of the receiving container 31 of the dryer B via a discharge opening 36. During the drying phase, warm air generally enters the receiving container 31 to dry the damp laundry. During both phases, fibers are released from the laundry. Similar to the washing process, these fibers must be removed from the drying process. The fibers, as well as the air containing moisture particles, are pumped through the filter unit 33.

[0054] Analogous to the filtering phase in the cleaning process, the receiving container 31 is in a rest position during a filtering phase in the drying process. A filtering phase can preferably take place after a spinning and / or drying phase, preferably after almost every spinning and / or drying phase. It is also conceivable here for the filtering phase to take place before the spinning and / or drying phase, preferably before almost every spinning and / or drying phase. The filtering phase can also take place during an interruption of the drying process, preferably during almost every interruption, preferably during every interruption.

[0055] After flowing through the filter unit 27, 33, it is conceivable, both during the cleaning process and the drying process, for the fluid to be pumped either into the drain line 25, 44, if one exists, or into a recirculation line 15, 43 arranged in the recirculation unit 10, 35. The recirculation line 15, 43 directs the fluid back to the receiving container 31, where it is reused to continue the cleaning or drying process. If the fluid is no longer required for the current cleaning or drying process, or if the cleaning or drying process has already ended, the fluid can be stored or temporarily stored in a storage element 29, 45 for a new drying process.

[0056] A recirculation unit 10, 35 requires less fluid for a cleaning or drying process, as the existing fluid, i.e., the fluid already in the cleaning or drying process, is filtered and then pumped back into the cleaning or drying process. For a washing machine A, this means lower water and / or detergent consumption. For a dryer B, for example, less warm or hot process air needs to be generated, thus saving energy costs.

[0057] The following is a highly simplified description of the cleaning and drying process until a filtering phase occurs.

[0058] The cleaning process in a washing machine A is started; water and a mixture of water and detergent flow into the container and wet the laundry. The laundry can be wetted several times with pump-circulation systems. It is also conceivable that a filtering phase follows several wetting phases. The washing phase follows the wetting phase. The receiving container 11 rotates so that the laundry is repeatedly circulated. During this process, not only dust and dirt particles but also fibers are released from the laundry. Advantageously, a filtering phase can be carried out after a washing phase, after almost every washing phase, or after every washing phase, in order to remove the fibers from the cleaning process.

[0059] During the filtering phase, the washing liquor flows through the discharge opening 14 from the suds container 12 into the discharge line 14a. The pumping unit 16 pumps the washing liquor to or through the filter unit 27, in which, among other things, the fibers are filtered out of the washing liquor. The washing liquor is then pumped into the storage element 29 and stored there until it is needed for the current or a subsequent cleaning process. The washing liquor returns to the receiving container 11 or the suds container 12 via the recirculation unit 10. If the washing liquor is no longer suitable for further use for various reasons, it can be pumped into the drain line 25 after passing through the filter unit 27. However, before the filtering phase begins, the receiving container 11 must be stopped so that it is in a rest position, i.e. the receiving container 11 no longer moves.Now, the receiving container 11 is moving in the upstream phase, in this case the washing phase. Abrupt deceleration, as with a blender, which essentially operates in two positions: "on" or "off," should be avoided, as this would cause additional fibers to detach from the laundry, as already described in detail above. Therefore, it is advantageous if the receiving container 11 is decelerated along a predetermined deceleration curve according to a predeterminable reduction in speed. The slower the deceleration, the fewer fibers detach from the laundry.

[0060] For the sake of completeness, a drying process in a household appliance 1 according to the invention, a dryer B, will now be described below.

[0061] The damp laundry is circulated in the receiving container 31 and exposed to warm air, process air. This loosens fibers from the laundry, among other things. The mixture of moist air and fibers is pumped out of the receiving container 31 and to the filter unit 33. There, the mixture of moist air and fibers is filtered and can either be reused or pumped into the drain line 44 in a manner analogous to the cleaning process described above. For reuse, the moisture must be removed from the air or the air must be dried.

[0062] Advantageously, a filtering phase occurs after one of the above-mentioned phases of the cleaning or drying process. However, it is also conceivable for the filtering phase to occur after almost every phase or after every phase of the cleaning or drying process.

[0063] Interruptions may occur during a cleaning or drying process. Therefore, it is also conceivable to use these interruptions for a filtering phase to avoid prolonging the cleaning or drying process. Ideally, almost any interruption can be used for a filtering phase.

[0064] It is also conceivable for a filtering phase to occur before a phase of the cleaning or drying process. Preferably, a filtering phase can occur almost before or before every phase of the cleaning or drying process. List of reference symbols

[0065] A.Washing machine B.Dryer 1Household appliance 2Front wall 3Dispensing tray 4Display unit 5Door 6Dryer front wall 7Heat exchanger drawer 8Dryer display unit 9Dryer door 10Recirculation unit 11Receiver 12Soap container 13Feed opening 14Discharge opening 14aDischarge line 15Recirculation line 16Pump unit 17aPump drive 17bPump 18Dispensing device 19Dispensing line 20Drive unit 21Control unit 22Drive control connection 23Control connection 25Drain line 27Filter unit 29Storage element 31Receiver 33Filter unit 35Recirculation unit 36Discharge opening 36aDischarge line 37Pump unit 38aPump 38bPump drive 39Recirculation line 40Feed opening 41Control unit 43Drive unit 44Drain line 45Storage element

Claims

1. Household appliance (1) for treatment of laundry, with a receiving container (11, 31) for laundry, wherein the receiving container (11, 31) is mounted such that it can rotate in the household appliance (1), a drive unit (20, 43) for driving the receiving container (11, 31), a control unit (21) for actuating the drive unit (20, 43), a pump unit (16, 37) for recirculation pumping and / or drain pumping the fluid present during a cleaning and / or drying procedure in such a manner that, in a filtering phase, the fluid can be guided through a filter unit (27, 33) to filter fibres substantially released from the laundry during the cleaning and / or drying procedure, characterised in that the control unit (21) is embodied such that the receiving container (11, 31) is in a rest position during the filtering phase, wherein the rest position of the receiving container (11, 31) is actuated in such a manner that a braking of the receiving container (11, 31) takes place along a predetermined braking curve according to a predefinable reduction of the speed, whereby it is possible to achieve a gentle braking of the receiving container (11, 31), which in turn is beneficial for the laundry to be treated.

2. Household appliance (1) according to claim 1, characterised in that the cleaning procedure substantially comprises at least one washing phase, at least one rinsing phase and at least one filtering phase, wherein the rinsing phase substantially comprises at least one spinning sequence and at least one rinsing sequence, and the filtering phase takes place after a washing and / or rinsing phase, preferably approximately after every washing and / or rinsing phase, preferably after every washing and / or rinsing phase.

3. Household appliance (1) according to claim 1 or 2, characterised in that the drying procedure substantially comprises at least one spinning phase and at least one drying phase, and the filtering phase takes place after a spinning sequence and / or phase and / or drying phase, preferably after approximately every spinning sequence and / or phase and / or drying phase, preferably after every spinning sequence and / or phase and / or drying phase.

4. Household appliance (1) according to one of the preceding claims, characterised in that the filtering phase takes place before the washing and / or rinsing and / or drying phase or during an interruption to the washing and / or rinsing and / or drying phase, preferably during approximately every interruption to the washing and / or rinsing and / or drying phase, preferably during every interruption to the washing and / or rinsing and / or drying phase.

5. Household appliance (1) according to one of the preceding claims, characterised in that the fluid present during the cleaning and / or drying procedure, after flowing through the filter unit (27, 33) flows into a drain line (25, 44) and / or into a recirculation line (15, 39) to return the fluid into the cleaning and / or drying procedure.

6. Household appliance (1) according to one of the preceding claims, characterised in that a storage element (29, 45) is arranged after the filter unit (27, 33).

7. Household appliance (1) according to claim 6, characterised in that the storage element (29, 45) is embodied in such a manner as to store fluid present during the cleaning and / or drying procedure after flowing through the filter unit (27, 33) and to guide the fluid via the pump unit (16, 37) to the drain line (25, 44) and / or the recirculation line (15, 39).

8. Method for filtering fibres from laundry, which arise in a household appliance (1) for treatment of laundry, with a receiving container (11, 31) for laundry, wherein the receiving container (11, 31) is mounted such that it can rotate in the household appliance (1), a drive unit (20, 43) for driving the receiving container (11, 31), a control unit (21) for actuating the drive unit (20, 43), a pump unit (16, 37) for recirculation pumping and / or drain pumping the fluid present during a cleaning and / or drying procedure in such a manner that, during a filtering phase, the fluid can be guided through a filter unit (27, 33) to filter fibres substantially released from the laundry during the cleaning and / or drying procedure, characterised in that the control unit (21) is embodied such that the receiving container (11, 31) is stopped during the filtering phase for filtering the fluid, wherein the stopping of the receiving container (11, 31) is actuated in such a manner that a braking of the receiving container (11, 31) is braked along a predetermined braking curve according to a predefinable reduction of the speed, whereby a gentle braking of the receiving container (11, 31) is achieved, which in turn is beneficial for the laundry to be treated.

9. Method according to claim 8, characterised in that the filtering phase is performed after one of the phases carried out during the cleaning procedure and / or drying procedure, wherein the cleaning procedure substantially comprises a washing procedure, which substantially comprises at least one wetting phase, at least one washing phase, at least one rinsing phase, at least one filtering phase and at least one spinning phase, wherein the spinning phase comprises at least one spinning sequence and a rinsing sequence, and wherein the drying procedure substantially comprises at least one spinning phase and at least one drying phase.

10. Method according to claim 8 or 9, characterised in that the filtering phase is performed before one of the phases carried out during the cleaning procedure and / or drying procedure.

11. Method according to one of claims 8 to 10, characterised in that the filtering phase is performed during an interruption to the cleaning and / or drying procedure.