EP3673107A1 - Unité de dosage de détergent liquide pour lave-linge - Google Patents

Unité de dosage de détergent liquide pour lave-linge

Info

Publication number
EP3673107A1
EP3673107A1 EP18745888.0A EP18745888A EP3673107A1 EP 3673107 A1 EP3673107 A1 EP 3673107A1 EP 18745888 A EP18745888 A EP 18745888A EP 3673107 A1 EP3673107 A1 EP 3673107A1
Authority
EP
European Patent Office
Prior art keywords
dosing
water
detergent
washing
tub
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
EP18745888.0A
Other languages
German (de)
English (en)
Other versions
EP3673107B1 (fr
Inventor
Caner GERMIYANLIOGLU
Florin Horea CORCHES
Kagan Kurtkaya
Selahattin CORAK
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 EP3673107A1 publication Critical patent/EP3673107A1/fr
Application granted granted Critical
Publication of EP3673107B1 publication Critical patent/EP3673107B1/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 
    • D06F39/02—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 
    • D06F39/08—Liquid supply or discharge arrangements

Definitions

  • the present invention relates to an automatic liquid detergent dosing unit that is suitable for use in washing machines.
  • liquid detergents in washing machines are becoming widespread. Accordingly, in order to provide ease of utilization, automatic dosing systems are developed for the liquid cleaning agent to be stored in a receptacle and to be delivered into the washing water controllably depending on the requirement of the washing program.
  • the common characteristic of the state of the art dosing systems is to have receptacles wherein the liquid detergent is stored and hydraulic systems that enable the detergent to be delivered to the washing environment in correct amount.
  • a plurality of solutions are available for performing the dosing process. Some of these solutions are the submersible pumps placed into the tanks filled with liquid cleaning agents and the hydraulic pumps that suck the cleaning agent with the vacuum effect and transfer into the washing medium.
  • the hydraulic dosing pumps used in the state of the art dosing systems are electrically operated and additional cable connections are required to supply electric power. Due to the cable connections, taking the hydraulic dosing pump out of the washing machine for purposes such as cleaning becomes difficult and said cable connections increase the production costs.
  • a washing machine comprising a detergent dispensing device.
  • the aim of the present invention is the realization of an automatic liquid detergent dosing unit that is suitable for use in washing machines, wherein the number of electrical connections is decreased and a precise dosing is ensured.
  • the dosing unit realized in order to attain the aim of the present invention is suitable for use in washing machines and comprises a hydraulic pump that provides the dosing of the liquid detergent stored in the detergent dispenser.
  • the dosing unit further comprises at least one dosing water inlet that provides water intake for the dosing of the liquid detergent or the softener, and an impeller that rotates with the dynamic pressure of the water coming from said dosing water inlet and enables the hydraulic pump to be driven by means of the hydraulic energy of the water by transferring the rotation movement to the hydraulic pump.
  • the hydraulic pump is a gear pump and consists of a drive gear and a driven gear.
  • the impeller that rotates with the effect of water rotates the drive gear around the same axis as that of the former by means of a shaft and transfers the movement to the driven gear so as to enable the gear pump to pump the liquid detergent or the softener into the housing (detergent box).
  • the washing machine wherein the dosing unit of the present invention is used comprises two dosing units, one used for dosing the liquid detergent and the other for dosing the softener, and the water taken through the external water inlet by means of a valve is directed towards the dosing units in order to be used for dosing liquid detergent or softener.
  • the control unit regulates the operation of the valve for dosing liquid detergent or softener and enables the valve to direct water towards the dosing water inlets at a predetermined time in a predetermined amount.
  • Figure 1 - is the schematic view of a washing machine and the liquid detergent/softener dosing units.
  • Figure 2 - is the perspective view of a detergent dispenser housing.
  • Figure 3 - is the perspective view of a detergent dispenser and two dosing units that are connected to the detergent dispenser.
  • Figure 4 - is the perspective view of a dosing unit.
  • Figure 5 - is the exploded view of a dosing unit.
  • Figure 6 - is the sideways view of a dosing unit.
  • Figure 7 - is the cross-sectional view taken along the line A-A in Figure 6.
  • Figure 8 - is the cross-sectional view taken along the line B-B in Figure 6.
  • the washing machine (7) comprises a tub (2) wherein the washing-drying processes are performed; a drum that rotates in the tub (2) and wherein the laundry is placed; a detergent dispenser (4) that has at least one receptacle (3) wherein the liquid detergent or the softener is stored, and a housing (6) (also called “detergent box") wherein the detergent dispenser (4) is placed and that has a tub outlet (5) enabling the liquid detergent or the softener (both referred to as "liquid material” hereinafter) that is dosed and accumulated on the base thereof to be transferred to the tub (2) by being swept by means of the water ( Figure 1).
  • the liquid detergent dosing unit (1) that is suitable for use in the washing machine (7) comprises
  • an impeller (11) that has more than one impeller fin (10), that rotates around its axis as the water taken from the dosing water inlet (9) strikes the fins (10) thereof and that, by transferring the rotational movement to the hydraulic pump (8), enables the hydraulic pump (8) to be operated with the dynamic pressure of the water without the need for consuming electrical energy (Figure 5, Figure 8).
  • the hydraulic pump (8) is a gear pump that consists of a drive gear (12) and a driven gear (13) that operate in unison.
  • the impeller (11) rotates the drive gear (12) in the hydraulic pump (8) around the same axis as that of the impeller (11) by means of a long shaft (14).
  • the drive gear (12) transfers the movement to the driven gear (13) and enables the hydraulic pump (8) to be operated ( Figure 5, Figure 7).
  • the dosing unit (1) comprises a pump chamber (16) that is fluidly connected to the receptacle (3) by means of at least one control valve (15) when the detergent dispenser (4) is placed into the housing (6) and wherein the drive gear (12) and the driven gear (13) are disposed and the liquid materials are filled for being dosed; an impeller chamber (17) wherein the impeller (11) rotates with the effect of dynamic pressure of the water taken from the dosing water inlet (9) and striking the impeller fins (10); a separator (18) that separates the pump chamber (16) and the impeller chamber (17); a short shaft (19) with one end connected to the separator (18), that enables the driven gear (13) to be idly supported so as to rotate around its axis; a sealing element (20) such as gasket or felt that is arranged around the hole through which the long shaft (14) in the separator (18) passes and that provides sealing between the pump chamber (16) and the impeller chamber (17) so as to prevent the mixing of the liquid materials and water; an inlet orifice (21)
  • the detergent transfer tube (22) extends vertically from the pump chamber (16) up to a level above the level of the liquid material stored in the receptacle (3) and bends downwards so as to provide the transfer of the liquid material to the housing (6) ( Figure 4, Figure 5, Figure 6).
  • the liquid material transferred from the detergent dispenser (4) to the pump chamber (16) is prevented from continuing their flow with the effect of gravity and being discharged (unnecessarily flowing) into the housing (6) when the hydraulic pump (8) is not performing the dosing function, and only the amount of the liquid material that is dosed during the operation of the hydraulic pump (8) is enabled to reach the housing (6).
  • the washing machine (7) comprises two dosing units (1) one of which is used for dosing the liquid detergent and the other for dosing the softener, and at least one valve (25) that directs the water taken from the water mains through the first water inlet (9) to the first dosing unit (1) in order to be used in liquid detergent dosing or through the second dosing water inlet (9) to the second dosing unit (1) in order to be used in softener dosing ( Figure 1).
  • the washing machine (7) further comprises a washing water inlet (24) that is arranged on the housing (6), that enables the water taken from the mains for the main washing and rinsing processes to be transferred into the housing (6) and the liquid materials that are previously dosed and accumulated on the base of the housing (6) to be swept with water and transferred to the washing environment in the tub (2) through the tub outlet (5) ( Figure 1, Figure 2).
  • liquid detergent in a predetermined amount according to the washing program is dosed in the main washing process and softener in a predetermined amount is dosed in the rinsing process.
  • water at a predetermined flow rate and amount is taken through the dosing water inlet (9) into the impeller chamber (16) in the dosing unit (1) and the impeller (11) is enabled to be rotated with the water hitting the impeller fins (10).
  • the impeller (11) actuates the drive gear (12) in the hydraulic pump (8) by transferring movement by means of the long shaft (14), and the liquid materials that are taken from the receptacle (3) and dosed are transferred into the housing (6) by means of the detergent transfer tube (22). Then, the dosed liquid water accumulating on the base of the housing (6) are swept with the water taken through the washing water inlet (24) and transferred to the washing environment in the tub (2) through the tub outlet (5).
  • the washing machine (7) comprises a powder detergent receptacle (26) that is arranged in the detergent dispenser (4) and wherein the powder detergent is placed; an auxiliary water inlet (27) that is arranged on the housing (6) and that enables the powder detergent to be swept with the water taken from the water mains and transferred into the washing environment in the tub (2) through the tub outlet (5), and an air discharge tube (28) that is arranged on the housing (6) and that enables the air to be discharged during the washing process ( Figure 2).
  • the valve (25) is a multi-way valve that has one inlet and a plurality of outlets (for example, four outlets) and enables, in addition to the water directed to the first and second dosing water inlets (9), the water taken from the water mains to be directed towards the washing water inlet (24) and/or towards the auxiliary water inlet (27) for the transfer of the powder detergent.
  • the control unit (not shown in figures) regulates the operation of the valve (25) for the processes of dosing liquid detergent and softener, taking water during the washing and rinsing steps and sweeping the powder detergent, and enables the valve (25) to direct water at predetermined times and in predetermined amounts to the first and second dosing water inlets (9), the washing water inlet (24) and the auxiliary water inlet (27).
  • the liquid detergent and the softener are precisely dosed and transferred into the washing environment in the tub (2).
  • the hydraulic pump (8) used for dosing is operated by means of an impeller (11) rotated by the water taken from the water mains instead of electrical energy.
  • an impeller (11) rotated by the water taken from the water mains instead of electrical energy.

Landscapes

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

Abstract

La présente invention concerne une unité de dosage automatique (1) de détergent liquide qui est appropriée pour être utilisée dans des lave-linge (7) comprenant une cuve (2) dans laquelle sont réalisés les processus de lavage-séchage ; un tambour qui tourne dans la cuve (2) et dans lequel est placé le linge ; un distributeur (4) de détergent qui comprend au moins deux réservoirs (3) dans lesquels est stocké le détergent liquide ou l'adoucissant, et un logement (6) dans lequel est placé le distributeur (4) de détergent et qui comporte une sortie (5) de cuve permettant de transférer à la cuve (2) le détergent liquide ou l'adoucissant qui est dosé et accumulé sur sa base en étant emporté au moyen de l'eau, l'unité de dosage automatique (1) de détergent liquide comprenant une pompe hydraulique (8) qui permet de doser les matières liquides stockées dans le distributeur (4) de détergent afin d'être transférées dans des proportions prédéfinies à l'environnement de lavage dans la cuve (2) à des fins de lavage et de rinçage principaux.
EP18745888.0A 2017-08-21 2018-07-23 Unité de dosage de détergent liquide pour lave-linge Active EP3673107B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2017/12411A TR201712411A2 (tr) 2017-08-21 2017-08-21 Çamaşir maki̇nalari i̇çi̇n bi̇r sivi deterjan dozajlama üni̇tesi̇
PCT/EP2018/069873 WO2019037993A1 (fr) 2017-08-21 2018-07-23 Unité de dosage de détergent liquide pour lave-linge

Publications (2)

Publication Number Publication Date
EP3673107A1 true EP3673107A1 (fr) 2020-07-01
EP3673107B1 EP3673107B1 (fr) 2022-11-02

Family

ID=63014529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18745888.0A Active EP3673107B1 (fr) 2017-08-21 2018-07-23 Unité de dosage de détergent liquide pour lave-linge

Country Status (3)

Country Link
EP (1) EP3673107B1 (fr)
TR (1) TR201712411A2 (fr)
WO (1) WO2019037993A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111850988A (zh) * 2019-04-28 2020-10-30 博西华电器（江苏）有限公司 洗衣机
DE202019104898U1 (de) * 2019-09-05 2020-12-11 Pas Deutschland Gmbh Einspülbehälter für eine Waschmaschine, sowie Waschmaschine
CN112323392A (zh) * 2020-11-17 2021-02-05 无锡小天鹅电器有限公司 洗涤剂投放装置及洗涤设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023065A1 (de) 2007-05-16 2008-11-20 BSH Bosch und Siemens Hausgeräte GmbH Automatisch gesteuerte 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
CN102182049B (zh) * 2011-05-10 2012-07-11 李耀强 一种洗涤剂投放及混合装置
EP2540902B1 (fr) * 2011-06-30 2020-05-13 Electrolux Home Products Corporation N.V. Machine à laver le linge
TR201517389A2 (tr) * 2015-12-29 2017-07-21 Arcelik As Otomati̇k temi̇zli̇k maddesi̇ dozajlamasi yapabi̇len bi̇r çamaşir maki̇nesi̇

Also Published As

Publication number Publication date
WO2019037993A1 (fr) 2019-02-28
TR201712411A2 (tr) 2019-03-21
EP3673107B1 (fr) 2022-11-02

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