EP1795643A1 - Waschmitteleinspülvorrichtung für eine Waschmaschine - Google Patents

Waschmitteleinspülvorrichtung für eine Waschmaschine Download PDF

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Publication number
EP1795643A1
EP1795643A1 EP06120990A EP06120990A EP1795643A1 EP 1795643 A1 EP1795643 A1 EP 1795643A1 EP 06120990 A EP06120990 A EP 06120990A EP 06120990 A EP06120990 A EP 06120990A EP 1795643 A1 EP1795643 A1 EP 1795643A1
Authority
EP
European Patent Office
Prior art keywords
siphon
pipe
cover member
detergent
supply apparatus
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Withdrawn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
EP06120990A
Other languages
English (en)
French (fr)
Inventor
Haeng Maan Jeong
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1795643A1 publication Critical patent/EP1795643A1/de
Withdrawn legal-status Critical Current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 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • 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
    • D06F39/081—Safety arrangements for preventing water damage
    • 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
    • D06F39/14—Doors or covers; Securing means therefor

Definitions

  • the present invention relates to a detergent supply apparatus of a washing machine. More particularly, to a detergent supply apparatus of a washing machine which prevents water supplied to a detergent tub having a siphon unit installed therein from overflowing the detergent tub and being discharged to an outside of the washing machine.
  • a conventional washing machine washes laundry using water, which is supplied through a water supply apparatus, is mixed with a detergent by a detergent supply apparatus, and is supplied to a tub of the washing machine.
  • Japanese Patent Laid-open Publication No. Hei-sei 11-290581 discloses a drum washing machine including a tub for containing washing water, and a water supply apparatus and a detergent supply apparatus installed above the tub for supplying the washing water mixed with a detergent to the tub.
  • the detergent supply apparatus includes a detergent case provided with an opened front surface and installed in a housing, and a detergent tub slidably attached to and detached from the detergent case. Partitions are installed in a longitudinal direction in the detergent tub, thereby dividing the detergent tub into a plurality of chambers.
  • the chambers include chambers for storing liquids, such as a liquid detergent and a rinsing solution, and a chamber for storing a powdered detergent.
  • a siphon unit is installed in each of the chambers for storing liquids, thereby allowing the stored liquid together with the washing water to be effectively supplied to the tub.
  • the siphon unit includes a siphon pipe orthogonally extended from the bottom of the corresponding chamber, and a siphon cap covering the siphon pipe.
  • a siphon channel defining a small gap is formed between the siphon pipe and the siphon cap. Water containing a detergent solution or a rinsing solution stored in the chamber is discharged to the tub through the siphon channel.
  • the siphon channel of the above conventional detergent supply apparatus defines a comparatively small gap, when a large amount of water is suddenly supplied to the chamber, the water containing the detergent solution or the rinsing solution cannot be discharged to the tub through the siphon channel and thus overflows the chamber, thereby being discharged to the outside of the washing machine. Thereby, the water overflowing the chamber contaminates environment of a place on which the washing machine is installed, thus deteriorating the quality of the washing machine.
  • a detergent supply apparatus of a washing machine which prevents water, which is not discharged from a detergent tub through a siphon unit, from overflowing the detergent tub and being discharged to an outside of the washing machine when washing water is supplied to the detergent tub having the siphon unit for supplying a detergent solution or a rinsing solution to a tub.
  • a detergent supply apparatus of a washing machine comprising a detergent tub having a plurality of chambers and a siphon unit installed in at least one of the plurality of the chambers, wherein the siphon unit includes a siphon pipe formed on the bottom of the chamber, and a cover member installed above the siphon pipe, and comprising a siphon cap surrounding an outer circumferential surface of the siphon pipe such that a siphon channel is installed between the siphon pipe and the siphon cap, and a bypass channel for circulating water overflowing the siphon channel, to the siphon channel.
  • the cover member further includes an upper plate, a lower plate, and a front plate connecting the upper plate and the lower plate wherein a rear surface of the cover member is opened, and the bypass channel may be provided between the upper plate and the lower plate.
  • the siphon cap is downwardly extended from a rear end of the lower plate, and at least one bypass hole connected to the bypass channel is formed through a front portion of the lower plate so that a liquid, which is not discharged to the siphon pipe, is supplied to the bypass channel through the bypass hole and is circulated to the siphon pipe through the opened rear surface of the cover member.
  • the cover member further includes a barrier extended from the lower plate between the siphon cap and the bypass hole towards the bottom of the chamber so as to prevent the sudden overflowing of the liquid.
  • the cover member further includes an indicator extended downwardly from the front plate such that the indicator is separated from the bottom of the chamber by a designated interval so as to restrict the maximum supply amount of a detergent solution or a rinsing solution.
  • FIG. 4 is a sectional view taken along the line IV-IV of FIG. 2.
  • FIG. 1 is a schematic view illustrating a drum washing machine having a detergent supply apparatus in accordance with an embodiment of the present invention.
  • the drum washing machine of the present invention comprises a housing 1 defining the external appearance of the washing machine, a tub 2 installed in the housing 1 for containing washing water, a rotary drum 3 rotatably disposed in the tub 2 so that laundry in the rotary drum 3 can be washed, and a door 4 hinged to the front surface of the housing 1.
  • a water supply apparatus 10 and a detergent supply apparatus 20 for respectively supplying washing water and detergent to the tub 2 are installed above the tub 2, and a drain pipe 5 and drain pump 6 for discharging the washing water contained in the tub 2 to the outside of the housing 1 when the washing of the laundry is completed are installed below the tub 2.
  • the water supply apparatus 10 comprises a plurality of water supply valves 11 and a plurality of water supply pipes 12, thereby supplying the washing water to the detergent supply apparatus 20 and the tub 2.
  • the detergent supply apparatus 20 comprises a detergent case 21 fixedly installed in an upper portion of the housing 1 and provided with an opened front surface, and a detergent tub 30 slidably attached to and detached from the detergent case 21 through the opened front surface of the detergent case 21, thereby supplying a detergent and a rinsing solution to the tub 2.
  • FIG. 2 illustrates the detergent tub 30 of the detergent supply apparatus 20 in a state in which a siphon unit 50 is disassembled from the detergent tub 30
  • FIG. 3 illustrates a cover member 60 of the siphon unit 50
  • FIG. 4 illustrates the detergent tub 30 of the detergent supply apparatus 20 in a state in which the siphon unit 50 is assembled with the detergent tub 30.
  • the detergent tub 30, which is slidably attached to and detached from the detergent case 21 (see FIG. 1), comprises a front hand grip portion 31, a rear plate 32, side plates 33, and a bottom plate 34 so that the detergent and the rinsing solution can be put into the detergent tub 30, and the upper portion of the detergent tub 30 is opened.
  • the detergent tub 30 further comprises a plurality of partitions 35, which are vertically installed on the bottom plate 34, for dividing the detergent tub 30 into a plurality of storage chambers and are provided with both ends, respectively connected to the front hand grip portion 31 and the rear plate 32. Accordingly, the detergent tub 30 is divided into a preliminary detergent chamber 36, a main detergent chamber 37, and a rinsing solution chamber 38.
  • the preliminary detergent chamber 36 and the main detergent chamber 37 store powdered detergents, and sequentially supply the detergents to the tub 2 according to the washing procedure.
  • the rinsing solution chamber 38 stores a rinsing solution, such as a fabric softener, and supplies the rinsing solution to the tub 2.
  • the bottom plate 34 of the detergent tub 30 is slanted such that a height of the bottom plate 34 is decreased from the front hand grip portion 31 to the rear plate 32.
  • the powdered detergents stored in the preliminary detergent chamber 36 and the main detergent chamber 37 and the rinsing solution stored in the rinsing solution chamber 38 are mixed with the water supplied from the upper part of the detergent case 21 (see FIG. 1) to the detergent tub 30, and the water containing the detergents and the rinsing solution flows down to a lower part of the detergent tub 30.
  • Discharge holes 39 are formed through the rear plate 32 at positions corresponding to the preliminary detergent chamber 36 and the main detergent chamber 37, thereby supplying the water containing the detergents from the preliminary detergent chamber 36 and the main detergent chamber 37 to the tub 2 through the lower part of the detergent case 21.
  • the siphon unit 50 for supplying the rinsing solution stored in the rinsing solution chamber 38 to the tub 2 using a siphon phenomenon is installed in the rear portion of the rinsing solution chamber 38.
  • the preliminary detergent chamber 36 and the main detergent chamber 37 store a liquid detergent or another rinsing solution.
  • the siphon unit 50 may be installed in the preliminary detergent chamber 36 and the main detergent chamber 37.
  • the siphon unit 50 comprises a siphon pipe 51 upwardly extended from the bottom plate 34 at a position close to the rear plate 32, and the cover member 60 for generating a siphon phenomenon together with the siphon pipe 51.
  • the siphon pipe 51 comprises a circular cross section having a designated diameter, and is disposed vertically from the bottom plate 34 at a height slightly lower than that of the detergent tub 30.
  • the siphon pipe 51 allows the rinsing solution stored in the rinsing solution chamber 38 to be mixed with the water supplied from the upper part of the detergent case 21 and the obtained mixture to be supplied to the lower part of the detergent case 21.
  • the cover member 60 comprises an upper plate 61, a lower plate 62, a front plate 63 connecting the upper plate 61 and the lower plate 62, thereby forming a bypass channel 64 between the upper plate 61 and the lower plate 62.
  • An opening 66 for discharging a liquid, supplied to the bypass channel 64, from the cover member 60 is formed through the rear portion of the bypass channel 64.
  • the cover member 60 further comprises a siphon cap 70 downwardly extended from the rear end of the lower plate 62, and a plurality of bypass holes 65 formed through the front end of the lower plate 62.
  • the siphon cap 70 has a circular cross section having a diameter slightly larger than an outer diameter of the siphon pipe 51, and surrounds the outer circumferential surface of the siphon pipe 51 under the condition that the outer circumferential surface of the siphon pipe 51 is separated from the inner circumferential surface of the siphon cap 70 by a designated interval, thereby forming a siphon channel 52 between the siphon pipe 51 and the siphon cap 70.
  • the cover member 60 further comprises a barrier 67 downwardly extended from the lower plate 62 between the siphon cap 70 and the bypass holes 65, and an indicator 68 downwardly extended from the front plate 63.
  • the barrier 67 which has a plate-shape and is separated from the bottom plate 34 of the detergent tub 30 (or the bottom of the rinsing solution chamber 38) by a designated interval, prevents a liquid, which does not pass through the siphon channel 52, from being suddenly pushed to the front portion of the detergent tub 30, thereby assisting the liquid to be supplied to the bypass channel 64 through the bypass holes 65.
  • the barrier 67 prevents the rinsing solution stored in the rinsing solution chamber 38 from temporarily rising and being discharged through the siphon channel 65, when the detergent tub 30 collides with the detergent case 21 during a process of inserting the detergent tub 30 into the detergent case 21.
  • the indicator 68 is extended downwardly from the front end of the cover member 60 such that the indicator 68 is separated from the bottom plate 34 of the detergent tub 30 by a designated interval, and serves to indicate to a user that the level of the rinsing solution is not higher than the height of the indicator 68.
  • the cover member 60 further comprises a protrusion 69 protruded upwardly from the upper plate 61, thereby being easily attached to and detached from the siphon pipe 51. Accordingly, when a user holds the protrusion 69 of the cover member 60 and presses the protrusion 69 so that the siphon pipe 51 is inserted into the siphon cap 70, the lower end of the siphon cap 70 is connected to a plurality of ribs 53 protruded outwardly from the lower end of the siphon pipe 51. On the other hand, when the user holds the protrusion 69 and pulls the protrusion 69 upwardly with designated force, the cover member 60 is separated from the siphon pipe 51.
  • the barrier 67 prevents the water from being suddenly pushed towards the front hand grip portion 31 of the detergent tub 30.
  • the water which are first restricted by the barrier 67, is pushed towards the right and left surfaces and the rear surface of the detergent tub 30, and flows towards the detergent case 21, thereby not being discharged to the outside of the detergent supply apparatus 20 (or to the outside of the housing 1) (with reference to FIG. 1).
  • the detergent supply apparatus of the present invention is not limited thereto, but may be installed in an agitation-type washing machine, which washes laundry by a pulsator or the like.
  • the present invention provides a detergent supply apparatus of a washing machine, which prevents water containing a detergent solution or a rinsing solution from flowing towards the front surface of a detergent tub and being discharged to the outside of the detergent supply apparatus even when a large amount of water is supplied to the detergent tub having a chamber with a siphon unit for supplying the detergent solution or the rinsing solution to a tub, thereby not contaminating environment of a place on which the washing machine is installed, and thus improving the reliability of the washing machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP06120990A 2005-12-09 2006-09-20 Waschmitteleinspülvorrichtung für eine Waschmaschine Withdrawn EP1795643A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050121155A KR101225163B1 (ko) 2005-12-09 2005-12-09 세탁기의 세제공급장치

Publications (1)

Publication Number Publication Date
EP1795643A1 true EP1795643A1 (de) 2007-06-13

Family

ID=37776790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06120990A Withdrawn EP1795643A1 (de) 2005-12-09 2006-09-20 Waschmitteleinspülvorrichtung für eine Waschmaschine

Country Status (4)

Country Link
US (1) US20070131000A1 (de)
EP (1) EP1795643A1 (de)
KR (1) KR101225163B1 (de)
CN (1) CN1978743A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009055257A1 (en) * 2007-10-23 2009-04-30 Electrolux Home Products, Inc Additive dispenser
EP2468940A1 (de) * 2010-12-27 2012-06-27 Samsung Electronics Co., Ltd. Reinigungsmittelgehäuse und Waschmaschine damit
CN105442267A (zh) * 2016-01-13 2016-03-30 江苏海狮机械集团有限公司 微粒洗脱机中的洗涤剂加料装置

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US8196441B2 (en) 2008-07-01 2012-06-12 Whirlpool Corporation Household cleaning appliance with a dispensing system operable between a single use dispensing system and a bulk dispensing system
US8286288B2 (en) 2008-07-01 2012-10-16 Whirlpool Corporation Method of indicating operational information for a bulk dispensing system
US8397544B2 (en) 2008-07-01 2013-03-19 Whirlpool Corporation Household cleaning appliance with a single water flow path for both non-bulk and bulk dispensing
US20100000264A1 (en) * 2008-07-01 2010-01-07 Whirlpool Corporation Method for converting a household cleaning appliance with a non-bulk dispensing system to a household cleaning appliance with a bulk dispensing system
US10138587B2 (en) 2008-07-01 2018-11-27 Whirlpool Corporation Household cleaning appliance with a dispensing system operable between a single use dispensing system and a bulk dispensing system
TWI384102B (zh) * 2008-09-30 2013-02-01 Panasonic Corp washing machine
US9702077B2 (en) * 2008-11-17 2017-07-11 Lg Electronics Inc. Washing machine
EP2508667B1 (de) 2009-12-03 2017-07-12 Haier Group Corporation Waschmaschine mit einem automatisch durch unterdruck hinzugefügten waschmittel und steuerverfahren dafür
CN102086586B (zh) * 2009-12-03 2015-07-01 海尔集团公司 利用负压自动添加洗涤剂的洗衣方法及洗衣机
CN103866538B (zh) * 2012-12-11 2017-12-29 青岛海尔洗衣机有限公司 一种齿轮泵式液体自动添加装置及洗衣机
CN104746309B (zh) * 2013-12-27 2019-07-02 青岛海尔洗衣机有限公司 一种具有自动投放洗涤剂功能洗衣机的控制盘座
US10280550B2 (en) * 2016-09-16 2019-05-07 Haier Us Appliance Solutions, Inc. Fluid additive dispenser
US10648121B2 (en) 2016-11-17 2020-05-12 Whirlpool Corporation Laundry treating appliance and dispenser
KR101894881B1 (ko) * 2017-03-03 2018-09-04 엘지전자 주식회사 의류처리장치
US11441255B2 (en) 2017-04-17 2022-09-13 Chongqing Haier Drum Washing Machine Detergent additive box and mounting structure thereof, and distribution box
EP3613888B1 (de) 2017-04-17 2023-08-02 Qingdao Haier Drum Washing Machine Co., Ltd. Automatisches abgabesystem für eine waschmaschine und waschmaschine
CN109898286B (zh) * 2017-12-11 2022-08-30 青岛海尔洗衣机有限公司 一种洗涤剂投放装置及洗衣机
CN110565336A (zh) * 2018-06-06 2019-12-13 苏州三星电子有限公司 滚筒洗衣机用自动投料装置
CN108660695B (zh) * 2018-08-08 2024-02-27 宁国聚隆减速器有限公司 一种洗涤剂自动投放装置及方法
US20220081824A1 (en) * 2019-01-18 2022-03-17 Qingdao Haier Drum Washing Machine Co., Ltd. Detergent feeding device
WO2020147763A1 (zh) 2019-01-18 2020-07-23 青岛海尔滚筒洗衣机有限公司 一种洗涤投放装置及洗衣机
CN111455622B (zh) * 2019-01-18 2022-07-01 青岛海尔洗涤电器有限公司 一种洗涤投放装置
CN113215778B (zh) * 2020-01-21 2024-03-15 青岛海尔洗衣机有限公司 一种衣物处理剂盒以及洗衣机
US11408113B2 (en) * 2020-04-03 2022-08-09 Haier Us Appliance Solutions, Inc. Washing machine fluid additive dispenser with multiple time-delayed dispensing cups

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KR101233188B1 (ko) * 2005-10-12 2013-02-15 엘지전자 주식회사 세탁기의 세제박스
KR101186320B1 (ko) * 2005-12-06 2012-09-27 엘지전자 주식회사 드럼 세탁기의 세제 투입장치

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GB2187764A (en) * 1986-03-14 1987-09-16 Bosch Siemens Hausgeraete Washing agent feed device in a washing machine
US20030145633A1 (en) * 2002-02-06 2003-08-07 Merkle Scott A. Dual use detergent dispenser
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009055257A1 (en) * 2007-10-23 2009-04-30 Electrolux Home Products, Inc Additive dispenser
US7895864B2 (en) 2007-10-23 2011-03-01 Electrolux Home Products, Inc. Laundry additive dispenser
EP2468940A1 (de) * 2010-12-27 2012-06-27 Samsung Electronics Co., Ltd. Reinigungsmittelgehäuse und Waschmaschine damit
CN105442267A (zh) * 2016-01-13 2016-03-30 江苏海狮机械集团有限公司 微粒洗脱机中的洗涤剂加料装置

Also Published As

Publication number Publication date
CN1978743A (zh) 2007-06-13
KR20070060934A (ko) 2007-06-13
US20070131000A1 (en) 2007-06-14
KR101225163B1 (ko) 2013-01-22

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