EP3482083A1 - Haushaltsgerät mit einem pumpenfilter - Google Patents
Haushaltsgerät mit einem pumpenfilterInfo
- Publication number
- EP3482083A1 EP3482083A1 EP17732869.7A EP17732869A EP3482083A1 EP 3482083 A1 EP3482083 A1 EP 3482083A1 EP 17732869 A EP17732869 A EP 17732869A EP 3482083 A1 EP3482083 A1 EP 3482083A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- filter
- release
- positive connection
- filter cover
- 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
-
- 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
- D06F39/08—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
- D06F39/10—Filtering arrangements
-
- 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
-
- 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
Definitions
- the present invention relates to a household appliance with a pump filter.
- conventional home appliances have pumps.
- Conventionally used pumps have in a suction chamber accessible to the user of the household appliance pump filters, which are designed to filter out in the liquid entrained impurities from the liquid, whereby the function of the pump can be ensured.
- removal of the pump filter from the suction chamber must be ensured in order to remove impurities from the suction chamber advantageous.
- the object is achieved by a household appliance with a pump for pumping liquid, wherein the pump comprises a pump housing, wherein the pump comprises a suction chamber having a suction port for fluidly connecting to a suction line, wherein the pump Pump filter having a filter cartridge for filtering contaminants from the liquid, wherein the suction chamber has a Filterein2020ö réelle for introducing the pump filter into the suction chamber, wherein the pump filter has a filter cover which is adapted to fluid-tightly close the Filtereintechnologie in a closed position and in a release position be released, wherein the filter cover is fixed in the closed position by a first positive connection to the pump housing, and wherein the filter cover in the closed position by a second positive connection to the pump housing b is solidified, and where the first positive connection and the second non-positive connection must be solved in order to transfer the filter cover from the closed position to the release position and to release the filter inlet opening.
- the technical advantage is achieved that it is ensured by the first positive connection and the second non-positive connection, that the filter cover can not be inadvertently transferred from the closed position to the release position. As a result, inadvertent release of the filter insertion opening can be avoided, since two separate action steps for the filter release are necessary.
- This opening principle for pump filters can be used for both one-piece and two-piece pump filters, for one-piece pump filter filter cartridge and filter cover are combined and manufactured as a component, and wherein two-piece pump filters are designed so that the filter cartridge with the filter cover in particular a positive locking connection enters, in which a rotational degree of freedom between filter cover and filter cartridge remains.
- the filter cover can thus be rotated or screwed around the screwing longitudinal axis independently of the filter insert, so that a fluid-tight closing of the filter insertion through the filter cover is made possible without the filter insert rotates, because this is in this case only axially into the suction chamber postponed.
- the pump filters in conventional household appliances have a filter cover which can be removed from the filter inlet opening to gain access to the suction chamber of the pump.
- the user of the household appliance operates a program with a high temperature of the liquid, in particular washing liquid, then if the filter cover is not properly removed from the filter inlet, there is the possibility that hot liquid will escape from the suction chamber and cause scalding in the user ,
- the filter cover is attached to the pump housing by a first positive connection and a second non-positive connection.
- the differing positive and non-positive connection ensure that the filter cover can only be removed from the pump and the filter opening is released when both the first positive connection and the second non-positive connection is released.
- the positive connection and the frictional connection thus prevent unintended removal of the filter cover by the user and thus an undesirable leakage of liquid from the suction chamber. Heating the fluid may reduce the risk of scalding the user.
- two separate and independently manageable actuations for removing the filter cover from the filter inlet opening can be made possible by the differing first positive and second non-positive connection.
- a household appliance is a device that is used for household management. This may be a large household appliance, such as a washing machine, a tumble dryer, a dishwasher. But this can also be a small household appliance, such as a water heater, a coffee machine, a food processor or a carpet cleaning machine.
- the first positive connection comprises a latching connection and the second non-positive connection comprises a screw connection.
- the second non-positive connection can only be released if the first positive connection was previously released.
- the technical advantage is achieved that an unintentional release of the second frictional connection can be avoided.
- the user must first solve the first positive connection in a first step, then embrace and solve the second non-positive connection in a second step following the first step. This results in a sequence-dependent dependence between the mutually coupled opening-handling steps, which serve to secure the pump opening concept with respect to a user malfunction.
- the first positive connection is releasable by moving the filter cover in a first release direction, and is the second non-positive connection by moving the filter cover detachable in a second release direction, wherein the first release direction is different from the second release direction.
- the technical advantage is achieved that is prevented by the differing Liereraumen, or release orientations, for releasing the first positive connection and the second non-positive connection, the user, the first and second non-positive connection by moving the filter cover in the same direction of release , or release orientation, accidentally releases.
- the user not only has to embrace the various connections, but also has to move the filter cover into different release directions or release orientations. This ensures that when moving the filter cover in the first release direction only the first positive connection is released, and that when moving the filter cover in the second release direction only the second non-positive connection is released.
- the first release direction comprises a translatory first release direction, wherein the translational first release direction extends at an angle, in particular at right angles, to a pump longitudinal axis which extends from the center of the filter insertion opening into the suction chamber, and wherein the second release direction is rotational second release direction, wherein the rotary second release direction extends radially around the pump longitudinal axis.
- the pump longitudinal axis extends from the center of the filter inlet opening into the suction chamber.
- a displacement of the filter cover in a translatory first release direction, which extends at an angle, in particular at right angles, to the pump longitudinal axis makes it possible to release the first positive connection.
- the translational first release direction can in particular have a low rotational component.
- the filter cover in releasing the first positive connection from the closed position into a pre-release position, the filter cover is fixed in the pre-release position by the second frictional connection to the pump housing and closes the filter inlet opening fluid-tight, and wherein the filter cover when releasing the second non-positive connection from the pre-release position into the release division can be transferred.
- the technical advantage is achieved that the Vorkagabewolf ein after releasing the first positive connection allows that is ensured by a subsequent release of the second frictional connection that the filter cover from the pre-release position in the release division is simple and advantageous convertible.
- the filter cover in the pre-release position is still fastened to the pump housing by the second non-positive connection and closes the filter insertion opening, so that neither in the closed position nor in the pre-release position a leakage volume flow occurs.
- the pump housing has an internal thread, which is arranged on the Filterein réelleö réelle, and the filter cover has an external thread which can be screwed into the internal thread to transfer the filter cover in the closed position and the second frictional connection between provide the filter cover and the pump housing, and wherein the external thread is screwed out of the internal thread to transfer the filter cover in the release pitch and to release the second frictional connection between the filter cover and the pump housing.
- the technical advantage is achieved that screwing, or unscrewing, the external thread of the filter cover in, or from, the pump housing, a particularly effective closing, sealing, or releasing the Filterein Kunststoffö réelle is ensured by the filter cover with an integrated seal.
- the external thread is not unscrewable from the internal thread in a non-dissolved first positive connection and the filter cover is not transferred to the release position.
- the technical advantage is achieved that the filter cover can only be removed from the pump housing when the first positive connection is released. Thus, inadvertent removal of the filter cover by the user is avoided.
- the filter cover has a latching projection, and a receiving opening is arranged on the pump housing, wherein the latching projection is insertable into the receiving opening to convert the filter cover in the closed position and the first positive connection between the filter cover and the Pump housing to provide, and wherein the locking projection from the receiving opening, in particular by elastic deformation of the locking projection, is removable to release the first positive connection between the filter cover and the pump housing.
- the pump has a receiving projection, which is arranged on an outer side of the pump housing, wherein the receiving opening is arranged in the receiving projection, and wherein the receiving opening is in particular formed as a rectangular recess, undercut recess or component recess ,
- the technical advantage is achieved that the receiving projection arranged in the receiving opening, which is designed in particular as a rectangular recess, undercut recess or component recess, allows a particularly effective receiving the locking projection to provide an effective first positive connection.
- a damping section is arranged on an outer side of the pump, which abuts against a device housing of the household appliance in order to ensure a vibration damping of the pump to the device housing.
- a gripping element for releasing the first positive connection and for releasing the second frictional connection is arranged on the filter cover.
- both the first positive connection and the second non-positive connection can be advantageously solved by the user by the handle element.
- the object is achieved by a method for removing a pump filter of a pump of a household appliance, wherein the household appliance has a pump for pumping liquid, wherein the pump comprises a suction chamber having a suction port for fluidly connecting to a suction line wherein the pump comprises a pump filter having a filter cartridge for filtering contaminants from the fluid, and wherein the suction chamber has a filter inlet opening for introducing the pump filter into the suction chamber, and wherein the pump filter has a filter cap formed to open the filter inlet opening in a closed position to close fluid-tight and release in a release division, wherein the filter cover in the closed position by a first positive connection and a second non-positive connection is attached to the pump housing, the method comprising the following steps, releasing the first positive connection, and releasing the second frictional connection to transfer the filter cover from the closed position to the release position and release the filter insertion opening.
- the technical advantage is achieved that can be effectively removed from the pump housing by loosening the first positive connection and by releasing the second frictional connection of the filter cover and the filter inlet opening can be effectively released.
- the release of the first positive connection in a first release direction is feasible, and the release of the second positive connection in a second release direction is feasible, wherein the first release direction is different from the second release direction.
- the first release direction comprises a translatory first release direction, wherein the translational first release direction extends at an angle, in particular at right angles, to a pump longitudinal axis which extends from the center of the filter insertion opening into the suction chamber, and the second release direction comprises a rotary one second release direction, wherein the rotary second release direction extends radially around the pump longitudinal axis.
- FIG. 1 is a schematic view of a household appliance
- Fig. 2 is a schematic view of a pump of the household appliance with an inserted pump filter; 3 shows a sequence of a method for removing a pump filter from a pump of a domestic appliance.
- Fig. 1 shows a schematic view of a general household appliance 100, such as a washing machine.
- the household appliance 100 is designed in particular as a washing machine and comprises an induction bowl 101, into which detergent or other liquid substances can be introduced.
- the household appliance 100 designed as a washing machine comprises a door 103 for loading the washing machine 100 with laundry.
- Fig. 2 shows a schematic view of a pump of the household appliance with an inserted pump filter.
- the household appliance 100 comprises a pump 105 for pumping liquid.
- the pump 105 includes a suction chamber 107 having an inlet port 109, which in turn may be fluidly connected to the suction line to draw liquid through the suction line.
- the pump 105 further comprises one or more pressure chambers through which the liquid can be pumped from the household appliance 100 or can be pumped around in the household appliance 100.
- the pressure chambers and the suction line and pressure-side hydraulic connections to the household appliance 100 are not shown in Fig. 2.
- the pump 105 has a pump housing 1 1 1 with a Filterein Concreteö réelle 1 13, through which a pump filter 1 15 is inserted into the suction chamber 107. Impurities can be accumulated on the pump filter 1 15 introduced into the suction chamber 107, in particular on a filter insert not shown in FIG. 2.
- the pump filter 1 15 has a filter cover 1 17 for closing the filter inlet opening 1 13.
- the filter cover 1 17 is formed to close the filter inlet opening 1 13 in a closed position fluid-tight and release in a release position.
- the pump housing 1 1 1 has an internal thread 1 19, not shown in FIG. 2, which is arranged on the filter inlet opening 1 13.
- the filter cover 1 17 has an external thread 121, not shown in FIG. 2, which can be screwed into the internal thread 1 19 in order to attach the filter cover 1 17 to the filter inlet opening 1 13 in a fluid-tight manner.
- the filter cover 1 17 is in this case up to a not shown in FIG. 2 filter cover stop 123 in the Filterein manufacturedö réelle 1 13 inserted, or screwed.
- the pump filter 1 15 is advantageously positioned within the suction chamber 107 and seals the suction chamber 107 advantageous from the environment.
- an additional safety function on the filter cover 1 17 is introduced to prevent inadvertent removal of the pump filter 15 1 from the suction chamber 107 by the user.
- the filter cover 1 17 is secured in the closed position by a first positive connection 125 at the filter inlet opening 1 13.
- the first positive connection 125 comprises a latching connection, in particular a latching projection 127, which can be inserted into a receiving opening 129 of the pump housing 11 at the filter inlet opening 13.
- the receiving opening 129 is disposed in a receiving projection 131 on an outer side of a pump housing 1 1 1 of the pump 105 and is pocket-shaped as a rectangular, undercut depression.
- the screwed into the internal thread 1 19 of the filter inlet opening 1 13 external thread 121 of the filter cover 1 17 provides a second frictional connection 133 ready.
- the first positive connection 125 must be solved before the filter cover 1 17 can be unscrewed from the Filterein slaughter réelle 1 13, and the second non-positive connection 133 can be solved.
- the first positive connection 125 can be released only in a first release direction 135, whereas the second force-locking connection 133 can only be released in a second release direction 137, the first release direction 135 being different from the second release direction 137. This can ensure that the user of the household appliance 100 does not erroneously solve the first positive connection 125 and the second non-positive connection 133 by a single release movement or release handling.
- the translational first release direction 135 extends at an angle, in particular at right angles, to a pump longitudinal axis 139, which in turn extends from a center of the filter inlet opening 13, not shown in FIG. 2, into the suction chamber 107.
- the rotational second release direction 137 extends radially about the pump longitudinal axis 139.
- a grip element 141 of the filter cover 17 is actuated in the translatory first release direction 135 by the user.
- the filter cover 1 17 is transferred from the closure position shown in FIG. 2 into a pre-release graduation, not shown in FIG. 2, and the first positive connection 125 is released.
- the pre-release division of the filter cover 1 17 further secured by the second frictional connection 133 to the pump housing 1 1 1 and the filter inlet opening 1 13 is closed by the filter cover 1 17 fluid-tight.
- the grip element 141 of the filter cover 17 is actuated in the rotational second release direction 137 by the user.
- the filter cover 1 17 is transferred from the pre-release division into a release division, not shown in FIG. 2, and the second non-positive connection 133 is released.
- the release division the first positive connection 125 and the second non-positive connection 133 are released and the filter cover 1 17 can be removed from the filter inlet opening 1 13.
- the filter cover 1 17 positioned in the closed position on the filter cover stop 123 final, the filter cover 1 17 is locked by the first positive connection 125 so on the pump housing 1 1 1, that the filter cover 1 17 can not rotate. If the filter cover 1 1 17 are removed, the user must first translate the locking projection 127 in the first release direction 135 from the receiving opening 129 to the latching projection 127 then in the second release direction 137 when releasing the second frictional connection 133 on the receiving projection 131 of Pass pump housing 1 1 1 past. Only then is a subsequent disassembly of the pump filter 1 15 possible by screwing.
- the increase in the leakage current can be made steadily increasing.
- This steady increase in leakage can be influenced by the structural pump housing or pump cover design, especially in the area of the seal and the thread. This allows the leakage current to be independent of the Opening angle of the filter cover 1 17 can use, slowly and steadily increases and the pump opening concept nevertheless fails standard.
- a damping portion 143 is arranged, which rests against a device housing, not shown in FIG. 2 of the household appliance 100, to ensure a vibration damping of the pump 105 to the device housing and to meet equipment noise specifications.
- the first positive connection 125 in addition to the second non-positive connection 133, the standard setting of the leakage volume flow of liquid based on an already completed screwing angle of the filter cover 1 17 is not fixed.
- the first positive connection 125 results in the structural design of the pump 105 less norm-related, functional and geometric dependencies that are on the other hand also tolerance sensitive.
- FIG. 3 shows a sequence of a method for removing a pump filter from a pump of a domestic appliance.
- the method 200 comprises, as a first step, the release 201 of the first positive connection 125 and comprises, as a second step Loosen 203 of the second frictional connection 133 to release the filter inlet opening 1 13.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL17732869T PL3482083T3 (pl) | 2016-07-08 | 2017-06-21 | Urządzenie gospodarstwa domowego z filtrem pompy |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016212481.1A DE102016212481A1 (de) | 2016-07-08 | 2016-07-08 | Haushaltsgerät mit einem Pumpenfilter |
| PCT/EP2017/065238 WO2018007147A1 (de) | 2016-07-08 | 2017-06-21 | Haushaltsgerät mit einem pumpenfilter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3482083A1 true EP3482083A1 (de) | 2019-05-15 |
| EP3482083B1 EP3482083B1 (de) | 2020-08-05 |
Family
ID=59215766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17732869.7A Active EP3482083B1 (de) | 2016-07-08 | 2017-06-21 | Haushaltsgerät mit einem pumpenfilter |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3482083B1 (de) |
| CN (1) | CN109416054A (de) |
| DE (1) | DE102016212481A1 (de) |
| PL (1) | PL3482083T3 (de) |
| RU (1) | RU2717189C1 (de) |
| WO (1) | WO2018007147A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018201344A1 (de) * | 2018-01-30 | 2019-08-01 | BSH Hausgeräte GmbH | Haushaltsgerät mit verbessertem Drehverschluss für eine Zugangsöffnung |
| EP4019690B1 (de) * | 2020-12-23 | 2024-02-07 | BSH Hausgeräte GmbH | Waschmaschine mit entwässerungsmotorpumpe |
| DE102022207152A1 (de) * | 2022-07-13 | 2024-01-18 | BSH Hausgeräte GmbH | Pumpe für ein Wäschepflegegerät |
| IL319879A (en) * | 2022-09-30 | 2025-05-01 | Bauer Wagner Pellengahr Sroka Patent & Rechtsanwalts Partg Mbb | Method and device for producing a suspension |
| CN115897168A (zh) * | 2022-11-22 | 2023-04-04 | 湖北美的洗衣机有限公司 | 洗衣机的排水泵和洗衣机 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3538174A1 (de) * | 1985-10-26 | 1987-04-30 | Licentia Gmbh | Verschlussdeckel fuer die gehaeuse von flusensieben, laugenpumpen und dgl. |
| ES1027271Y (es) * | 1993-12-16 | 1995-01-16 | Fagor S Coop Ltda | Dispositivo de cierre de una bomba de desague para electrodomesticos. |
| KR200149370Y1 (ko) * | 1995-03-31 | 1999-06-15 | 전주범 | 세탁기의 이물질 걸름장치 |
| CN2414092Y (zh) * | 1999-11-16 | 2001-01-10 | 杨仲谦 | 一种洗衣机滤水结构 |
| 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 |
| JP3686960B2 (ja) * | 2001-03-27 | 2005-08-24 | シャープ株式会社 | フィルター装置、フィルター装置を備えた洗濯機 |
| CN2763321Y (zh) * | 2004-11-04 | 2006-03-08 | 孟伟成 | 一种洗衣机用过滤器 |
| JP4737245B2 (ja) * | 2008-08-04 | 2011-07-27 | パナソニック株式会社 | ドラム式洗濯機 |
| JP4905443B2 (ja) * | 2008-12-09 | 2012-03-28 | パナソニック株式会社 | 洗濯機 |
| DE102009028357B4 (de) * | 2009-08-07 | 2014-12-18 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Hausgerät mit einem Abpumpstrang |
| KR101375717B1 (ko) * | 2011-01-21 | 2014-03-19 | 삼성전자주식회사 | 세탁기 및 이에 구비되는 펌프필터 |
| US9422661B2 (en) * | 2012-04-20 | 2016-08-23 | Haier Us Appliance Solutions, Inc. | Pump assembly for a washing machine appliance |
| JP6077923B2 (ja) * | 2013-04-24 | 2017-02-08 | 株式会社パイオラックス | カバー部材 |
| WO2015013602A2 (en) * | 2013-07-26 | 2015-01-29 | Massachusetts Institute Of Technology | Accurate timing distribution by high-frequency radio |
| KR101526702B1 (ko) * | 2013-11-11 | 2015-06-05 | 동부대우전자 주식회사 | 벽걸이 세탁기의 배수장치 |
| DE102014107691B4 (de) * | 2014-06-02 | 2020-12-10 | Miele & Cie. Kg | Waschmaschine mit einem Laugenbehälter sowie Filtereinsatz für ein Filtergehäuse einer Waschmaschine |
-
2016
- 2016-07-08 DE DE102016212481.1A patent/DE102016212481A1/de not_active Withdrawn
-
2017
- 2017-06-21 RU RU2018144698A patent/RU2717189C1/ru active
- 2017-06-21 CN CN201780042270.0A patent/CN109416054A/zh active Pending
- 2017-06-21 EP EP17732869.7A patent/EP3482083B1/de active Active
- 2017-06-21 WO PCT/EP2017/065238 patent/WO2018007147A1/de not_active Ceased
- 2017-06-21 PL PL17732869T patent/PL3482083T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL3482083T3 (pl) | 2021-01-11 |
| WO2018007147A1 (de) | 2018-01-11 |
| CN109416054A (zh) | 2019-03-01 |
| EP3482083B1 (de) | 2020-08-05 |
| RU2717189C1 (ru) | 2020-03-18 |
| DE102016212481A1 (de) | 2018-01-11 |
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