EP3673106A1 - Machine à laver avec dispositif d'alimentation et de dosage d'agent de traitement amélioré - Google Patents

Machine à laver avec dispositif d'alimentation et de dosage d'agent de traitement amélioré

Info

Publication number
EP3673106A1
EP3673106A1 EP17768003.0A EP17768003A EP3673106A1 EP 3673106 A1 EP3673106 A1 EP 3673106A1 EP 17768003 A EP17768003 A EP 17768003A EP 3673106 A1 EP3673106 A1 EP 3673106A1
Authority
EP
European Patent Office
Prior art keywords
treatment agent
water
reservoir
treatment
dosing system
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
Application number
EP17768003.0A
Other languages
German (de)
English (en)
Other versions
EP3673106B1 (fr
Inventor
Caner GERMIYANLIOGLU
Hakan Tatar
Ilkan Erdem
Florin Horea CORCHES
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3673106A1 publication Critical patent/EP3673106A1/fr
Application granted granted Critical
Publication of EP3673106B1 publication Critical patent/EP3673106B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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 
    • D06F39/02—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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements

Definitions

  • the present invention relates to a washing machine having an improved detergent feeding device.
  • washing machine users increasingly prefer to use liquid treatment agents, such as detergents and fabric softeners, for washing their laundry. Users are also encouraged to use liquid treatment agents as these are more environmentally friendly.
  • liquid treatment agents such as detergents and fabric softeners
  • Washing machines having systems for providing doses of liquid treatment agents are currently available on the market. These systems typically comprise tanks containing liquid treatment devices, a user interface to allow users to fill these tanks (such as drawers, lids, etc.) and a hydraulic device to transfer the correct amount of treatment agent to the washing area (laundry drum) at the correct time.
  • tanks containing liquid treatment devices
  • a user interface to allow users to fill these tanks (such as drawers, lids, etc.)
  • a hydraulic device to transfer the correct amount of treatment agent to the washing area (laundry drum) at the correct time.
  • Some exemplary methods include submergible pumps placed inside the tanks and hydraulic lines that operate by creating a vacuum to suck the liquid treatment device from the storage tank and transfer it to the laundry drum .
  • Some of the most important features of a dosing system are control of dosage amount, dosage tim ing, washing of dosage area by water to transfer the treatment agent to the laundry drum and detection of the fullness of the storage tanks.
  • the dosage system requires power in order to function and provide controlled dosing. Generally the required power is provided by the washing machine; therefore it is not possible to take the dosage system which is positioned inside the treatment agent storage out of the washing machine. For this reason, it is not possible to clean the treatment agent storage reservoirs of integrated systems.
  • EP2428607 discloses a water-carrying household appliance.
  • the appliance comprises a housing, a treatment chamber and an automatic dosing system within the housing.
  • the automatic dosing system has a reservoir for a liquid treatment agent and a delivery pump within the reservoir.
  • the household appliance further includes a controller to control the automatic dosing system .
  • the power required for the operation of the invention is provided hydraulically.
  • Other prior art publications may be referred to as CN1 0240951 5 and EP2048276.
  • the present invention addresses the situation where the desired amount of treatment agent can be transferred to the laundry drum .
  • dosing is facilitated not by pumps but by a wheel system .
  • Said wheel system is mounted onto the detergent drawer. When the detergent drawer is pulled out, the dosing system can also be taken out of the washing machine.
  • the present invention provides a dosing unit for a laundry treatment machine as provided by the characterizing features defined in Claim 1 .
  • Primary obj ect of the present invention is to provide a dosing unit for a laundry treatment machine by which desired amount of treatment agent can be transferred to laundry drum without dissipating active power.
  • the present invention proposes a treatment agent dosing system for a laundry treatment machine, said treatment agent dosing system transferring liquid treatment agents in predetermined quantities from a plurality of treatment agent tanks to a washing liquid reservoir.
  • the control valves at the backs of the treatment agent tanks prevent liquid treatment agents from spilling out of the treatment agent tanks while the treatment agent drawer is in open position and allow the liquid treatment agent to be transferred to the treatment agent reservoir when the drawer is in closed position.
  • the conducting pins inside the treatment agent reservoirs detect the presence and type of liquid treatment agents contained therein. I nformation on whether the treatment agent tanks are filled and if so what kind of fluid is contained therein can be detected through conductivity information obtained from the pins. Based on the type of liquid, the steps of which treatment agent tanks will provide dosage at what point in the washing program can be adj usted and the user will be reminded what liquid is in which tank.
  • the peristaltic pump will be activated whereby the relevant liquid can be transferred from the treatment agent reservoir to the washing liquid reservoir.
  • the treatment agent tanks and reservoirs are in constant fluid communication when the treatment agent drawer is in closed position.
  • a venturi tube portion is added to said washing water line by placing a constricted section along said line.
  • the treatment agent line is directly connected to said constricted section. I n this manner, negative pressure gradient across the venturi tube portion is used to ease the movement of treatment agents across the line. Buildup of treatment agents in the treatment agent line is prevented.
  • Fig. 1 demonstrates a perspective view of a treatment agent drawer having a treatment agent dosing system according to the present invention.
  • Fig. 2 demonstrates a top view of a treatment agent drawer having a treatment agent dosing system according to the present invention.
  • Fig. 3 demonstrates a sectional view of a treatment agent drawer having a treatment agent dosing system taken along line 3-3 of Fig. 2.
  • Fig. 4 demonstrates a bottom view of a treatment agent dosing system and treatment agent reservoirs according to the present invention.
  • Fig. 5 demonstrates a side view of a treatment agent dosing system and treatment agent reservoirs according to the present invention.
  • Fig. 6 demonstrates another side view a treatment agent dosing system and treatment agent reservoirs according to the present invention.
  • the present invention proposes a treatment agent dosing system ( 1 ) for a laundry treatment appliance such as washing machine; said dosing system comprising a wheel system having a treatment agent wheel (6) and a water wheel (7) operated to effect transfer of different treatment agents to the drum of the washing machine.
  • the treatment agent dosing system ( 1 ) facilitates dosing via mains water circulated to transfer treatment agents to the laundry drum .
  • Liquid treatment agents are transferred from a number of treatment agent tanks (3) to a washing liquid reservoir (5) in specified quantities as necessitated by the respective treatment program .
  • Control valves placed at the rear portions of the treatment agent tanks (3) in the treatment agent drawer (2) typically allow the treatment agent tanks (3) to act as closed receptacle when the treatment agent drawer (2) is pulled out. I n other words, placement of the treatment agent drawer (2) in its operative position provides that liquid communication is established between treatment agent tanks (3) and treatment agent reservoirs (4) through control valves.
  • Treatment agent reservoirs (4) comprise a treatment agent wheel (6) in order for transferring treatment agents to said washing liquid reservoir (5) as will be delineated below in more detail.
  • Treatment agent wheels (6) disposed in said treatment agent reservoirs (4) are driven by respective water wheels (7) disposed in water reservoirs ( 1 3) to transfer liquid treatment agents from the treatment agent reservoir (4) such that the agents will be mixed with water and circulated to the washing liquid reservoir (5) and the drum as will be explained hereinafter.
  • Water reservoir ( 1 3) and neighboring treatment agent reservoir (4) are separated by a sealing means to prevent mixture of the liquid treatment agents with water at this stage.
  • said conducting pins transmit conductivity information, which allows the system to distinguish between types of treatment agents, such as detergents and fabric softeners. I n this manner, information on which treatment agent tank (3) contains which type of treatment agent can be conveyed to the user/ control unit and, if necessary, the tasks of the valves to operate the treatment agent wheels for liquid detergent and fabric softener can be switched by the dosing algorithm .
  • the water facilitating the operation of the wheel system passes through a water line (8) having preferably a telescopic structure and controlled by valves to turn the respective water wheels (7) .
  • treatment agent wheels (6) connected to and sharing a shaft with the rotating water wheels (7) are rotated. I n this manner, the liquid treatment agents are pumped into the washing liquid reservoir (5) , wherefrom they will be transferred to the drum .
  • a treatment agent line ( 1 1 ) (best seen in Fig. 6) in communication with said treatment agent reservoir (4) is directly connected to a venturi tube portion (9) on a washing water line ( 1 2) .
  • said water wheel (7) is rotated by a predefined amount of water (as controlled by respective valve members) to simultaneously drive said treatment agent wheel (6) , the treatment agent and water respectively circulates through a treatment agent line ( 1 1 ) and the washing water line ( 1 2) such that treatment agent line ( 1 1 ) directly opens to said venturi tube portion (9) of the washing water line ( 1 2) thanks to which water and treatment agent are mixed with each other.
  • the negative pressure gradient across the venturi tube portion (9) allows the treatment agents to move easily and prevents buildup of treatment agents in the treatment agent line ( 1 1 ) .
  • the treatment agent drawer (2) containing treatment agent tanks (3) for storing liquid treatment agents also contains a chamber for powdered detergents, which can be directly mixed with water through a respective inlet and also directly transferred to said washing liquid reservoir (5) .
  • the water inlet ( 1 0) providing water to the water wheel (7) is separated by O-ring seals. Wheel systems (6, 7) can be taken out of the washing machine along with the treatment agent drawer (2) . When the treatment agent reservoir (4) is pulled out, the mounted wheel systems (6, 7) can also be taken out. I n this manner, the treatment agent reservoir (4) can be easily cleaned by the user.
  • the water inlet ( 1 0) can be alternatively placed on the same horizontal axis along said water line (8) . I n such a case, a telescopic design that is easily disassembled can be used. According to a further alternative embodiment, the water inlet ( 1 0) can be placed on the same vertical axis leading to the water reservoir ( 1 3) .
  • the water line (8) connected to the water inlet valve is preferably configured to have a 90° elbow.
  • the water line (8) has a larger cross section than the treatment agent line ( 1 1 ) . Water entering the wheel system from the water inlet ( 1 0) is conveniently transferred to said wheel system via telescopic water channels that can easily be disassembled.
  • the present invention proposes a treatment agent dosing system ( 1 ) for a laundry treatment machine, said treatment agent dosing system ( 1 ) transferring liquid treatment agents in predetermined quantities from a plurality of treatment agent tanks (3) to a washing liquid reservoir (5) .
  • said treatment agent dosing system ( 1 ) comprises a first rotatable element in the form of a treatment agent wheel (6) in a treatment agent reservoir (4) and a second rotatable element in the form of a water wheel (7) in a water reservoir ( 1 3) , said treatment agent wheel (6) transferring treatment agents from said treatment agent reservoir (4) through a treatment agent line ( 1 1 ) to a washing water line ( 1 2) and said water wheel (7) transferring water from said water reservoir ( 1 3) to said washing water line ( 1 2) .
  • said treatment agent line ( 1 1 ) in communication with said treatment agent reservoir (4) is directly connected to a venturi tube portion (9) of said washing water line ( 1 2) such that treatment agents and water circulated in fluidly isolated manner are first mixed at said venturi tube portion (9) of said washing water line ( 1 2) .
  • said treatment agent reservoir (4) is in fluid communication with a respective treatment agent tank (3) in the closed operational position of the treatment agent drawer (2) containing said treatment agent tank (3) .
  • said treatment agent wheel (6) and water wheel (7) are in fluid communication with isolated water and treatment agent lines (respectively 8, 1 1 ) .
  • said treatment agent reservoir (4) and water reservoir ( 1 3) are fluidly isolated from each other by a sealing means having an opening to accommodate a common shaft in connection with said treatment agent wheel (6) and said water wheel (7) .
  • conductor pins inside said treatment agent reservoirs (4) detect the presence of liquid in the treatment agent reservoir (4) coming from the treatment agent tanks.
  • said conducting pins transmit conductivity information to distinguish between types of treatment agents in the form of detergents or fabric softeners and information on which treatment agent tank (3) contains which type of treatment agent is transmitted such that tasks of control valves to operate water wheels (7) in association with respective treatment agent wheels (6) for liquid detergent and fabric softener is switchable.
  • said treatment agent drawer (2) containing treatment agent tanks (3) for storing liquid treatment agents also contains a chamber for powdered detergents which is directly mixed with water through a dedicated water inlet and directly transferred to said washing liquid reservoir (5) .
  • said treatment agent drawer (2) is integrally configured with said treatment agent dosing system ( 1 ) and is integrally removable together with the treatment agent dosing system ( 1 ) having said treatment agent reservoir (4) and said water reservoir ( 1 3) .
  • said water line (8) has a larger cross section than the treatment agent line ( 1 1 ) .
  • said treatment agent line ( 1 1 ) connects to the venturi tube portion (9) of the washing water line ( 1 2) in perpendicular configuration.
  • the present invention is devised under the recognition that the treatment agents are needed to be transferred to the washing liquid reservoir (5)/drum .
  • a venturi tube portion (9) more effectively fulfills this function.
  • the water used in the wheel system is passed through said venturi tube. I n this manner, the water used in the wheel system is reused, buildup of treatment agents on the treatment agent line is prevented and treatment agents will be washed more efficiently.
  • the dosage system can be taken out of the washing machine, it can easily be filled and emptied by the user. Also the treatment agent reservoirs (4) can be easily cleaned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

La présente invention concerne une machine à laver comportant un dispositif d'alimentation en détergent amélioré. La présente invention concerne plus particulièrement un système de dosage d'agent de traitement (1) pour une machine de traitement de linge, ledit système de dosage d'agent de traitement (1) comprenant un premier élément rotatif sous la forme d'une roue à agent de traitement (6) dans un réservoir d'agent de traitement (4) et un deuxième élément rotatif sous la forme d'une roue à eau (7) dans un réservoir d'eau (13), ladite roue à agent de traitement (6) transférant des agents de traitement dudit réservoir d'agent de traitement (4) par l'intermédiaire d'une ligne d'agent de traitement (11) vers une conduite d'eau de lavage (12) et ladite roue à eau (7) transférant l'eau du réservoir d'eau (13) vers la conduite d'eau de lavage (12) et la conduite d'agent de traitement (11) en communication avec le réservoir d'agent de traitement (4) est directement raccordée à une partie de tube venturi (9) de ladite conduite d'eau de lavage (12) de sorte que les agents de traitement et l'eau circulant de façon isolée de manière fluidique soient dans un premier temps mélangés au niveau de ladite partie de tube de venturi (9) de la conduite d'eau de lavage (12).
EP17768003.0A 2017-08-24 2017-08-24 Machine à laver avec dispositif d'alimentation et de dosage d'agent de traitement amélioré Active EP3673106B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/071275 WO2019037851A1 (fr) 2017-08-24 2017-08-24 Machine à laver avec dispositif d'alimentation et de dosage d'agent de traitement amélioré

Publications (2)

Publication Number Publication Date
EP3673106A1 true EP3673106A1 (fr) 2020-07-01
EP3673106B1 EP3673106B1 (fr) 2023-01-04

Family

ID=59887190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17768003.0A Active EP3673106B1 (fr) 2017-08-24 2017-08-24 Machine à laver avec dispositif d'alimentation et de dosage d'agent de traitement amélioré

Country Status (3)

Country Link
EP (1) EP3673106B1 (fr)
TR (1) TR201805759A2 (fr)
WO (1) WO2019037851A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113529363B (zh) * 2020-04-13 2022-12-23 洛阳纷呈互联网科技有限公司 一种洗涤剂投放装置及洗衣机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL1959045T3 (pl) * 2007-02-14 2010-09-30 Electrolux Home Products Corp Nv Myjąca maszyna z dozownikiem ciekłych środków piorących
DE102007048199B3 (de) * 2007-10-08 2009-01-15 Miele & Cie. Kg Dosiereinrichtung für pulverförmiges Behandlungsmittel für eine Waschmaschine und Waschmaschine
DE102007048197A1 (de) 2007-10-08 2009-04-16 Miele & Cie. Kg Dosiereinrichtung für Behandlungsmittel für eine Waschmaschine und Waschmaschine
DE102008042655A1 (de) 2008-10-07 2010-04-08 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren
EP2508667B1 (fr) * 2009-12-03 2017-07-12 Haier Group Corporation Machine à laver pour agent de lavage ajouté automatiquement par pression négative et procédé de commande de celle-ci
US20160194813A1 (en) * 2013-09-03 2016-07-07 Arcelik Anonim Sirketi A washer comprising an automatic dosing unit
TR201517389A2 (tr) * 2015-12-29 2017-07-21 Arcelik As Otomati̇k temi̇zli̇k maddesi̇ dozajlamasi yapabi̇len bi̇r çamaşir maki̇nesi̇
CN205313863U (zh) * 2016-01-22 2016-06-15 珠海格力电器股份有限公司 洗涤剂自动投放装置及具有其的洗衣机

Also Published As

Publication number Publication date
EP3673106B1 (fr) 2023-01-04
TR201805759A2 (fr) 2019-03-21
WO2019037851A1 (fr) 2019-02-28

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