EP3018250A1 - Washing machine capable of filtering foreign substances and washing method using the same - Google Patents

Washing machine capable of filtering foreign substances and washing method using the same Download PDF

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Publication number
EP3018250A1
EP3018250A1 EP15168180.6A EP15168180A EP3018250A1 EP 3018250 A1 EP3018250 A1 EP 3018250A1 EP 15168180 A EP15168180 A EP 15168180A EP 3018250 A1 EP3018250 A1 EP 3018250A1
Authority
EP
European Patent Office
Prior art keywords
filter
washing
mounting portion
ribs
unit
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.)
Withdrawn
Application number
EP15168180.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Yong Wook Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WiniaDaewoo Co Ltd
Original Assignee
Dongbu Daewoo Electronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongbu Daewoo Electronics Corp filed Critical Dongbu Daewoo Electronics Corp
Publication of EP3018250A1 publication Critical patent/EP3018250A1/en
Withdrawn legal-status Critical Current

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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 
    • D06F39/10—Filtering 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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 
    • D06F39/007—Arrangements of water softeners
    • 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 
    • D06F39/12—Casings; Tubs
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/34—Filtering, e.g. control of lint removal devices
    • 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
    • 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

Definitions

  • Embodiments of the present disclosure relate to a washing machine and a washing method using the same, and more particularly, to a washing machine which removes dust, lint, and other foreign substances from washing water supplied to a washing tub, and a washing method using the same.
  • washing machines including drum type washing machines and pulsator type washing machines, include a washing tub that holds both laundry and washing water for washing laundry.
  • Drum type washing machines wash laundry using friction between the laundry and the inner surface of the washing tub and the impact which occurs when laundry falls during rotation of the washing tub, where the washing tub is parallel to the ground.
  • Pulsator type washing machines wash laundry using water that is agitated when a pulsator in the washing tub is rotated, where the washing tub is perpendicular to the ground.
  • FIG. 1 is a diagram illustrating a cross-sectional view of an exemplary pulsator type washing machine having a single washing tub according to embodiments of the present invention.
  • a pulsator type washing machine 100 has a filter unit 300 for removing foreign substances, and a filter guide unit 200 for mounting the filter unit 300 to the interior of the washing machine.
  • a water storage tub 120 of the pulsator type washing machine 100 is positioned around a washing tub 130 which stores laundry.
  • water used to wash laundry is supplied from the water storage tub 120 to the washing tub 130 during washing, and water which has been used to wash laundry (e.g., used washing water) is discharged from the water storage tub 120 during a spin-dry process using a water drain port 150.
  • the used washing water may also include foreign substances such as lint, dust, dirt, and the like that have been separated from laundry, and as a result, foreign substances may become attached to an inner surface of the water storage tub 120 and remain attached when the used washing water is discharged from the washing tub 130 and the water storage tub 120.
  • a filter unit 300 is used to remove foreign substances from the washing water.
  • FIG. 2 is a diagram illustrating an exemplary prior art filter unit 300A which may be detachably mounted on a filter guide unit.
  • lateral sides of the filter unit 300A have a first set of ribs 310A that couple to lateral sides of a filter guide unit. While coupled in this way, a gap may exist between the filter guide unit and the filter unit 300A, and washing water may unfortunately leak through the gap due to pressure caused by washing water passing through filter unit 300A. Accordingly, the foreign substances remaining in the water storage tub may flow into the washing tub without being filtered.
  • the foreign substances may include dust, dirt, lint, and the like that may contaminate the laundry being washed.
  • a gap between the filter unit 300A and a filter guide may gradually widen due to the pressure of the washing water.
  • a washing machine capable of preventing leakage of washing water, and preventing dust, foreign substances, and the like from mixing with washing water when the washing machine is operated by coupling a filter unit to a filter guide unit positioned over a water inlet port of a washing tub such that leaks are prevented.
  • An exemplary embodiment of the present disclosure provides a washing machine including a washing tub comprising a water inlet port on an inner surface of the washing tub through which washing water flows into the washing tub, a filter guide unit covering the water inlet port and comprising a filter mounting portion, wherein the filter mounting portion comprises a set of grooves on the lateral sides of the filter mounting portion, and a filter unit removably coupled to the filter mounting portion and comprising a first set of ribs on the lateral sides of the filter unit, and a second set of ribs on the outer edge of the lateral sides of the filter unit, wherein the set of grooves is removably coupled to the second set of ribs.
  • washing water is prevented from leaking through a gap between the filter guide unit and the filter unit when washing water flows in, and it is possible to supply the washing tub with washing water that is advantageously free from foreign substances.
  • FIG. 1 and FIG. 4 illustrate a washing machine 100 according to the present disclosure and includes a washing tub 130 which has a water inlet port 110 through which washing water flows into the washing tub 130, a filter guide unit 200 which is installed to cover the water inlet port 110 and has a filter mounting portion 210 comprising a set of grooves 220, a filter unit 300 which is mounted on the filter mounting portion 210 and has a first set of ribs 310 and a second set of ribs 320 which are provided at the lateral sides of the filter unit 300, and the set of grooves 220 on the filter mounting portion 210 which enables the second set of ribs 320 on the filter unit 300 to be fastened thereto.
  • a pulsator type washing machine 100 is depicted according to embodiments of the present invention and comprises a water storage tub 120 for holding washing water, a washing tub 130 in the water storage tub 120 which is capable of rotating and holding laundry, a pulsator 140 on a bottom surface of the washing tub 130, wherein the pulsator 140 comprises an impeler capable of rotating and causing water to flow, and a water drain port 150 for collecting and discharging washing water from the washing tub.
  • the impeller of pulsator 140 protrudes from an upper surface of the pulsator having a circular shape, and force caused by the rotation of the pulsator 140 (e.g., centrifugal force) casuses washing water to flow up and down, and laundry is washed by the energy that is generated when laundry moves and falls due to the flowing water (e.g., friction or agitation).
  • force caused by the rotation of the pulsator 140 e.g., centrifugal force
  • washing water flows in through the water inlet port 110 and passes through the filter unit 300 mounted on the filter guide unit 200, which is installed on an inner surface of the washing tub 130, to remove foreign substances (e.g., dust, dirt, or lint) from the washing water or from the water storage tub 120.
  • the water is then supplied to the washing tub 130.
  • the water inlet port 110 is an opening through which the washing water may flow therethrough.
  • the water inlet port 110 is positioned on an inner surface of the washing tub 130 and allows the washing water to flow into the washing tub 130 from the water storage tub 120.
  • the filter unit 300 has a first set of ribs 310 on the lateral sides of the filter unit 300, second set of ribs 320 adjacent to the first set of ribs 310 on an outer edge of the lateral sides of the filter unit 300, a catching projection 330 on an upper end of the filter unit 300 that is deformable (e.g., elastic), the rotary grooves 340 on a bottom portion of the first set of ribs 310, a fixing projection 350 at a bottom end of the filter unit 300, and a filter net 360 on a front surface of the filter unit 300 capable of capturing (e.g., filtering) foreign substances.
  • the filter guide unit 200 and the filter unit 300 may be tightly coupled to each other to prevent leaks.
  • the filter guide unit 200 and the filter unit 300 may be coupled to each other to seal the lower end, the upper end, and the lateral sides to prevent water leaks.
  • the fixing projection 350 at the lower end of the filter unit 300 may be coupled to the filter mounting portion 210 by inserting the fixing projection 350 into a bottom end of the filter mounting portion 210.
  • the rotary grooves 340 are positioned to couple with the rotary projections 240 at a lower side of the filter guide unit 200.
  • the rotary projections 240 of the filter guide unit 200 may be coupled to the rotary grooves 340 of the filter unit 300 to form a hinge such that a portion of the filter unit 300 may be fixed to the filter guide unit 200 while the remainder of the filter unit 300 may rotate around the fixed portion.
  • the first set of ribs 310 of the filter unit 300 may be fitted into the lateral sides of the filter mounting portion 210 of the filter guide unit 200.
  • the catching projection 330 may be positioned at an upper end of the filter unit 300.
  • the catching projection 330 may be caught by (or inserted into) the catching groove 230 at an upper end of the filter guide unit 200. Accordingly, the filter unit 300 may be detachably coupled to the filter guide unit 200 using the catching projection 330 and the catching groove 230.
  • the filter guide unit 200 covers the water inlet port 110.
  • the filter guide unit 200 has a filter mounting portion 210, and the filter unit 300 is removeably fastened to the filter mounting portion 210.
  • a set of grooves 220 of the filter guide unit 200 is positioned at the lateral sides of the filter mounting portion 210, a catching groove 230 is positioned at an upper end of the filter mounting portion 210, and the rotary projections 240 are positioned at a lower end of both lateral sides of the filter mounting portion 210.
  • the filter unit 300 may be inserted into the filter mounting portion 210 to mount the filter unit 300 inside of the washing machine 100 and filters out foreign substances in the washing water.
  • the filter unit 300 may be tightly attached and coupled to the filter mounting portion 210 of the filter guide unit 200 on an inner surface of the washing tub 130 such that the washing water is prevented from leaking through any gaps between the filter guide unit 200 and the filter unit 300, and only filtered washing water that is free of foreign substances is supplied to the washing tub 130.
  • the second set of ribs 320 is provided at the outer edge of the lateral sides of the filter unit 300.
  • the set of grooves 220 is positioned in the filter mounting portion 210 of the filter guide unit 200 such that the second set of ribs 320 may be fastened to the set of grooves 220.
  • the second set of ribs 320 is provided on the filter unit 300 in addition to the first set of ribs 310, such that the second set of ribs 320 and the set of grooves 220 may be fastened to each other, according to embodiments of the present invention. Accordingly, it is possible to prevent washing water from leaking through a gap between the filter unit 300 and the filter guide unit 200, or prevent foreign substances from flowing out of the washing tub 130 through a gap between the filter unit 300 and the filter guide unit 200.
  • a washing method comprises providing washing water to the washing tub 130, filtering the washing water using the filter unit 300 installed on an inner surface of the washing tub 130, and washing laundry using the filtered water, where the first set of ribs 310 provided on the filter unit 300 is coupled to the filter mounting portion 210 of the filter guide unit 200, and the second set of ribs 320 provided on the filter unit 300 is fastened to the set of grooves 220 of the filter guide unit 200 to preventing the washing water from leaking.
  • washing machine 100 When the washing machine 100 is operated, the washing water held in the water storage tub 120 passes through the filter guide unit 200, filter unit 300, and the water inlet port 110 of the washing tub 130, and is supplied to the washing tub 130 that holds laundry. Pulsator 140 on a bottom surface of the interior of washing tub 130 is rotated.
  • the washing water may include foreign substances.
  • the foreign substances are filtered by the filter net 360 of the filter unit 300 as the washing water flows into the washing tub 130 and the foreign substances are captured in the filter net 360.
  • the set of grooves 220 of the filter guide unit 200 and the second set of ribs 320 of the filter unit 300 are in tight contact with each other, such that the washing water does not leak because there is no gap between the filter guide unit 200 and the filter unit 300, even at the coupling portions of the filter guide unit 200 and the filter unit 300.
  • the washing water is provided into the washing tub 130.
  • embodiments of the present invention are capable of removing foreign substances such as dust or lint in washing water supplied through the water inlet port 110, and dirt attached to the water storage tub 120, thereby preventing foreign substances from being attached to the laundry.
  • the filter unit 300 may be removed from the filter guide unit 200 by pressing on the catching projection 330 of the filter unit 300 that is inserted into the catching groove 230 of the filter guide unit 200 and then by pulling outwards, thereby separating the filter unit 300.
  • the separated filter unit 300 may be used again after removing foreign substances captured in the filter net 360 of the filter unit 300, or a new filter unit 300 may be used.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP15168180.6A 2014-11-07 2015-05-19 Washing machine capable of filtering foreign substances and washing method using the same Withdrawn EP3018250A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140154500A KR20160059489A (ko) 2014-11-07 2014-11-07 세탁장치 및 이를 이용하는 세탁방법

Publications (1)

Publication Number Publication Date
EP3018250A1 true EP3018250A1 (en) 2016-05-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15168180.6A Withdrawn EP3018250A1 (en) 2014-11-07 2015-05-19 Washing machine capable of filtering foreign substances and washing method using the same

Country Status (4)

Country Link
US (1) US20160130741A1 (ko)
EP (1) EP3018250A1 (ko)
KR (1) KR20160059489A (ko)
CN (1) CN105862353A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108315970A (zh) * 2017-01-16 2018-07-24 青岛海尔洗衣机有限公司 一种具有净水设备的洗衣机
CN110284295A (zh) * 2018-03-19 2019-09-27 青岛海尔洗衣机有限公司 一种具有自清洁过滤器的洗衣机的控制方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102536866B1 (ko) * 2016-08-08 2023-05-25 엘지전자 주식회사 의류처리장치 및 의류처리장치의 제어방법
KR20180016863A (ko) * 2016-08-08 2018-02-20 엘지전자 주식회사 의류처리장치 및 의류처리장치의 제어방법
KR102639680B1 (ko) * 2016-12-23 2024-02-26 삼성전자주식회사 세탁기
CN110295487B (zh) * 2018-03-23 2023-05-02 青岛海尔洗衣机有限公司 衣物处理设备及其过滤盖组件

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013141553A (ja) * 2012-01-12 2013-07-22 Panasonic Corp 洗濯機
EP2728058A1 (en) * 2012-05-03 2014-05-07 Dongbu Daewoo Electronics Corporation Filter device of washing machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ID20692A (id) * 1997-08-16 1999-02-18 Samsung Electronics Co Ltd Filter untuk mesin cuci
KR200159028Y1 (ko) * 1997-08-29 1999-10-15 윤종용 세탁기의 이물걸름장치
KR101392911B1 (ko) * 2007-03-06 2014-05-12 엘지전자 주식회사 이물질 채집 장치
KR20090098300A (ko) * 2008-03-13 2009-09-17 엘지전자 주식회사 의류처리장치
KR20090098204A (ko) * 2008-03-13 2009-09-17 엘지전자 주식회사 필터 제조방법 및 제조장치
US8601836B2 (en) * 2009-07-31 2013-12-10 Lg Electronics Inc. Laundry treatment machine and the method of the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013141553A (ja) * 2012-01-12 2013-07-22 Panasonic Corp 洗濯機
EP2728058A1 (en) * 2012-05-03 2014-05-07 Dongbu Daewoo Electronics Corporation Filter device of washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108315970A (zh) * 2017-01-16 2018-07-24 青岛海尔洗衣机有限公司 一种具有净水设备的洗衣机
CN110284295A (zh) * 2018-03-19 2019-09-27 青岛海尔洗衣机有限公司 一种具有自清洁过滤器的洗衣机的控制方法

Also Published As

Publication number Publication date
US20160130741A1 (en) 2016-05-12
CN105862353A (zh) 2016-08-17
KR20160059489A (ko) 2016-05-27

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