EP3673107B1 - Flüssigwaschmitteldosiereinheit für waschmaschinen - Google Patents
Flüssigwaschmitteldosiereinheit für waschmaschinen Download PDFInfo
- Publication number
- EP3673107B1 EP3673107B1 EP18745888.0A EP18745888A EP3673107B1 EP 3673107 B1 EP3673107 B1 EP 3673107B1 EP 18745888 A EP18745888 A EP 18745888A EP 3673107 B1 EP3673107 B1 EP 3673107B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dosing
- water
- detergent
- washing
- washing machine
- 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.)
- Active
Links
- 239000003599 detergent Substances 0.000 title claims description 64
- 238000005406 washing Methods 0.000 title claims description 57
- 239000007788 liquid Substances 0.000 title claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 79
- 239000011344 liquid material Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000012459 cleaning agent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
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 a washing machine comprising an automatic liquid detergent dosing unit.
- 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.
- a washing machine comprising a dosing receptacle.
- a washing machine comprising a detergent supply system.
- 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. This is achieved by a washing machine comprising the features defined in independent claim 1.
- the dosing unit 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 valve controlled by a control unit and 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 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.
- 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) in the washing machine (7) comprises
- 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 ).
- 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)
Claims (10)
- - Eine Waschmaschine (7) umfasst eine Wanne (2), in der die Wasch-TrocknungsProzesse durchgeführt werden; einen Waschmittelspender (4), der mindestens einen Behälter (3) aufweist, in dem ein flüssiges Waschmittel oder ein Weichspüler aufbewahrt ist; ein Gehäuse (6), in dem der Waschmittelspender (4) angeordnet ist und das einen Wannenauslass (5) aufweist; eine Dosiereinheit (1) umfasst- eine Hydraulikpumpe (8), die es ermöglicht, das in dem Waschmittelspender (4) gespeicherte Flüssigwaschmittel oder den Weichspüler zu dosieren, zur Abgabe in vorbestimmten Mengen an die Waschumgebung in der Wanne (2) zum Zwecke des Hauptwaschens und Klarspülens und mindestens einen Dosierwassereinlass (9);- mindestens ein von einer Steuereinheit gesteuertes Ventil (25) zum Leiten des aus der Wasserleitung entnommenen Wassers durch den mindestens einen Dosierwassereinlass (9) zum Dosieren des flüssigen Waschmittels oder des Weichspülers zu einem vorbestimmten Zeitpunkt in einer vorbestimmten Menge entsprechend des Waschprogramms, gekennzeichnet ist sie des Weiteren dadurch, dass die Dosiereinheit (1) folgendes umfasst:- ein Laufrad (11) mit mehr als einer Rippe (10), das sich um seine Achse dreht, wenn das aus dem Dosierwassereinlass (9) entnommene Wasser auf dessen Rippen (10) trifft, dass die Drehbewegung auf die Hydraulikpumpe (8) überträgt, und die es ermöglicht, die Hydraulikpumpe (8) mit dem Staudruck des Wassers zu betreiben.
- - Eine Waschmaschine (7), wie in Anspruch 1 aufgeführt, ist dadurch gekennzeichnet, dass die Hydraulikpumpe (8), die eine Zahnradpumpe ist, die aus einem Antriebszahnrad (12) und einem angetriebenen Zahnrad (13) besteht, und durch das Laufrad (11), dass das Antriebszahnrad (12) um seine Achse mittels einer langen Welle (14) dreht.
- - Eine Waschmaschine (7), wie in Anspruch 2 aufgeführt, ist dadurch gekennzeichnet, dass die Pumpenkammer (16), in der das Antriebszahnrad (12) und das angetriebene Zahnrad (13) angeordnet sind und die flüssigen Materialien zum Dosieren eingefüllt werden; eine Laufradkammer (17), in der sich das Laufrad (11) dreht, und einen Separator (18), der die Pumpenkammer (16) und die Laufradkammer (17) trennt.
- - Eine Waschmaschine (7), wie in Anspruch 3 aufgeführt, ist dadurch gekennzeichnet, dass ein Waschmittelübertragungsrohr (22) sich von der Pumpenkammer (16) zum Gehäuse (6) erstreckt und dass die von der Hydraulikpumpe (8) bewegten flüssigen Materialien freigibt.
- - Eine Waschmaschine (7), wie in Anspruch 4 aufgeführt, ist dadurch gekennzeichnet, dass das Waschmittelübertragungsrohr (22), dass sich vertikal von der Pumpenkammer (16) bis zu einem Niveau über dem Niveau des in dem Behälter (3) gespeicherten flüssigen Materials erstreckt und sich nach unten krümmt, um für die Übertragung des flüssigen Materials in dem Gehäuse (6) zu sorgen.
- - Eine Waschmaschine (7), wie in Anspruch 3 aufgeführt, ist dadurch gekennzeichnet, dass eine kurze Welle (19) es ermöglicht, das angetriebene Zahnrad (13) zu tragen; ein am Separator (18) angeordnetes Dichtelement (20) zur Abdichtung zwischen der Pumpenkammer (16) und der Laufradkammer (17); eine Einlassöffnung (21), die einen Flüssigkeitseinlass aus dem Behälter (3) in die Pumpenkammer (16) bereitstellt, und ein Wasserablassloch (23), das ermöglicht, dass das Wasser in der Laufradkammer (17), die das Laufrad (11) dreht, abgelassen werden kann.
- - Eine Waschmaschine (7), wie in Anspruch 1 aufgeführt, umfasst zwei Dosiereinheiten (1), von denen eine zum Dosieren des flüssigen Waschmittels und die andere zum Dosieren des Weichspülers verwendet wird; gekennzeichnet ist es dadurch, dass mindestens eine Ventil (25), das das aus der Wasserleitung entnommene Wasser zu der ersten Dosiereinheit (1) leitet, um es in einer Flüssigwaschmitteldosierung zu verwenden, oder zu der zweiten Dosiereinheit (1), um es in der Weichspüler-Dosierung zu verwenden.
- - Eine Waschmaschine (7), wie in Anspruch 7 aufgeführt, ist dadurch gekennzeichnet, dass ein Waschwassereinlass (24) es ermöglicht, dass für die Hauptwasch- und Spülvorgänge aus der Hauptleitung entnommene Wasser in das Gehäuse (6) zu leiten und die flüssigen Materialien, die zuvor dosiert und auf der Basis des Gehäuses (6) angesammelt wurden, um mit Wasser gespült und durch den Wannenauslass (5) in die Waschumgebung in der Wanne (2) überführt zu werden.
- - Eine Waschmaschine (7), wie in Anspruch 7 aufgeführt, ist dadurch gekennzeichnet, dass eine im Waschmittelspender (4) angeordneter Pulverwaschmittelbehälter (26), in den das Pulverwaschmittel eingebracht wird, und einen am Gehäuse (6) angeordneten Hilfswassereinlass (27), der das Pulverwaschmittel freigibt, um es mit dem aus der Wasserleitung entnommenen Wasser zu spülen und durch den Wannenauslauf (5) in die Waschumgebung in der Wanne (2) zu überführen.
- - Eine Waschmaschine (7), wie in einem der Ansprüche 7 bis 9 aufgeführt, ist dadurch gekennzeichnet, dass das Ventil (25), dass ein Mehrwegeventil ist, das aus der Hauptwasserleitung entnommenes Wasser zu den beiden Dosierwassereinlässen (9), dem Waschwassereinlass (24) und/oder dem Hilfswassereinlass (27) leitet.
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 (en) | 2017-08-21 | 2018-07-23 | LIQUID DETERGENT DETERGENT UNIT FOR A WASHING MACHINE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3673107A1 EP3673107A1 (de) | 2020-07-01 |
EP3673107B1 true EP3673107B1 (de) | 2022-11-02 |
Family
ID=63014529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18745888.0A Active EP3673107B1 (de) | 2017-08-21 | 2018-07-23 | Flüssigwaschmitteldosiereinheit für waschmaschinen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3673107B1 (de) |
TR (1) | TR201712411A2 (de) |
WO (1) | WO2019037993A1 (de) |
Families Citing this family (3)
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)
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 (de) * | 2011-06-30 | 2020-05-13 | Electrolux Home Products Corporation N.V. | Waschmaschine |
TR201517389A2 (tr) * | 2015-12-29 | 2017-07-21 | Arcelik As | Otomati̇k temi̇zli̇k maddesi̇ dozajlamasi yapabi̇len bi̇r çamaşir maki̇nesi̇ |
-
2017
- 2017-08-21 TR TR2017/12411A patent/TR201712411A2/tr unknown
-
2018
- 2018-07-23 WO PCT/EP2018/069873 patent/WO2019037993A1/en unknown
- 2018-07-23 EP EP18745888.0A patent/EP3673107B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
TR201712411A2 (tr) | 2019-03-21 |
EP3673107A1 (de) | 2020-07-01 |
WO2019037993A1 (en) | 2019-02-28 |
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