EP2240065B1 - Geschirrspülmaschine - Google Patents

Geschirrspülmaschine Download PDF

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Publication number
EP2240065B1
EP2240065B1 EP08866460.2A EP08866460A EP2240065B1 EP 2240065 B1 EP2240065 B1 EP 2240065B1 EP 08866460 A EP08866460 A EP 08866460A EP 2240065 B1 EP2240065 B1 EP 2240065B1
Authority
EP
European Patent Office
Prior art keywords
reservoir
tablet
water
dishwasher
detergent dispenser
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.)
Not-in-force
Application number
EP08866460.2A
Other languages
English (en)
French (fr)
Other versions
EP2240065A1 (de
Inventor
Ufuk Askin
Songul Bayraktar
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 EP2240065A1 publication Critical patent/EP2240065A1/de
Application granted granted Critical
Publication of EP2240065B1 publication Critical patent/EP2240065B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4436—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of a detergent solution made by gradually dissolving a powder detergent cake or a solid detergent block
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • B01F21/22—Dissolving using flow mixing using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles
    • B01F21/221—Dissolving using flow mixing using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles comprising constructions for blocking or redispersing undissolved solids

Definitions

  • the present invention relates to a dishwasher that comprises a detergent dispenser according to the preamble of claim 1, as known from US 2,371,720 A .
  • detergent dispensers are used that are generally mounted on the inside of the door.
  • reservoirs are provided for emplacing the detergent and the rinse agent chemicals.
  • the detergent emplaced in the reservoirs enables the dirt on the dishes to be dissolved and the rinse agent lowers the surface tension of water thus improving drying.
  • the chemical substances used in the cleaning process can only be effective if activated at the right step.
  • the detergent has to be added to water in the main washing step whereas the rinse agent and glass protection agent in the hot rinsing (second rinsing) step.
  • second rinsing hot rinsing
  • the tablet shaped combined detergents named as “2 in 1" or “3 in 1 ", containing more than one chemical, dissolving at different temperatures such as detergent, water softener, and rinse agent together pressed in layers dissolve with the mechanical effect of water jets during circulation when directly put in the washing environment.
  • the rinse agent chemical contained in the tablet that melts at only high temperatures also dissolves and is discharged with the waste water at the end of the main washing step, thus no rinse agent is left to be used in the hot rinsing step.
  • the aim of the present invention is the realization of a dishwasher comprising a detergent dispenser wherein a detergent tablet is emplaced and enabling the tablet to be dissolved controllably until the end of the washing process, and whereby the structure of the dispenser is more simple than the known ones.
  • a rectangular prism shaped tablet including detergent and rinse agent substances is emplaced in the detergent dispenser for cleaning the dishes and the tablet is dissolved controllably in the detergent dispenser enabling it to be used until the end of the washing.
  • the chemical substances contained in the tablet that have to be used in certain washing steps are prevented from being discharged by dissolving before due time.
  • the detergent dispenser used in the dishwasher comprises a reservoir inside which water circulating in the tub enters during washing, forming a detergent-water solution as the water contacts the tablet, and enabling the said solution to be delivered to the washing environment inside the tub, and a tablet holder holding the tablet suspended in the horizontal position from the ceiling of the reservoir and the lower portion of which is inside the reservoir with a bottom wall shaped like a grate or sieve allowing the water entering the reservoir to contact the lower surface of the tablet.
  • the detergent dispenser furthermore comprises a lid that is mounted to the ceiling of the reservoir, covering the tablet in the tablet holder, preventing the water circulating in the tub and moving downwards by the effect of gravity from directly reaching the tablet and an inlet hole opening to the lower side of the reservoir, allowing the water circulating in the tub to enter the reservoir from the lower side and move upwards inside the reservoir acting on the lower surface of the tablet suspended from the ceiling of the reservoir.
  • the inlet hole under the detergent dispenser opens to the lower side of the reservoir to correspond opposite to the nozzle during the rotational motion of the spray arm.
  • the inlet hole enables the water jet sent upwards from the nozzle to enter the reservoir in every turn or half turn of the spray arm and thus to contact the lower surface of the tablet intermittently and to dissolve the tablet gradually during washing.
  • the detergent dispenser comprises a slot situated on the ceiling of the reservoir, surrounding partially or entirely the lid on the reservoir, enabling the water circulating in the tub to enter the reservoir from the top, washing the inner walls of the reservoir with water.
  • the side walls of the detergent dispenser are shaped frustoconically and the water flowing into the reservoir from the slot washes down the inner surfaces of the inclined side walls, cleaning the detergent residues.
  • the detergent dispenser comprises a barrier extending from the ceiling of the reservoir downwards, surrounding the tablet and preventing the water entering into the reservoir to reach the tablet from the side thereof.
  • the dishwasher (1) comprises a tub (2) wherein the washing process is performed, a door for accessing into the tub (2), more than one basket (3) whereon items to be washed are emplaced, one or more spray arms (4) for delivering water onto the items in the baskets (3), more than one nozzle (5) disposed on the spray arm (4) for spraying water on the items by generating a water jet and a detergent dispenser (6) wherein a tablet (T) is emplaced.
  • the tablet (T) used for cleaning the dishes is comprised of pressed layers containing the chemical substances of detergent, softener and rinsing agent and is preferably shaped as a rectangular prism.
  • the dishwasher (1) of the present invention comprises a detergent dispenser (6) having
  • the inlet hole (10) opens to the lower side of the reservoir (7) such as to correspond opposite the nozzle (5) during the rotational motion of the spray arm (4).
  • the inlet hole (10) enables the water jet sent upwards from the nozzle (5) to enter the reservoir (7) in every turn or half turn of the spray arm (4) and thereby to contact the lower surface (Y) of the tablet (T) intermittently and to dissolve the tablet (T) gradually starting from the lower surface (Y) thereof during the course of washing.
  • the washing program is started after the user emplaces the tablet (T) in the detergent dispenser (6), the spray arms (4) rotate and water is sprayed to the baskets (3) by means of the nozzles (5).
  • the water jet entering into the reservoir (7) through the inlet hole (10) impacts on the lower surface (Y) of the tablet (T) and dissolves the tablet (T).
  • the nozzle (5) comes opposite to the inlet hole (10) at every turn or half turn of the spray arm (4) and enables water to be sprayed into the reservoir (7).
  • the mechanical effect of water is provided inside the reservoir (7) intermittently.
  • the tablet (T) cannot dissolve "rapidly", instead dissolves gradually. Accordingly, the tablet (T) is dissolved controllably until the completion of the washing program.
  • the detergent dispenser (6) is mounted to be suspended at the front side of the upper basket (3) and thus the user is enabled to easily reach the detergent dispenser (6) without bending too much ( Figure 1 ).
  • the detergent dispenser (6) comprises a slot (11) situated on the ceiling (R) of the reservoir (7), surrounding partially or entirely the lid (9), and enabling the water circulating in the tub (2) to enter the reservoir (7) from the top, washing the inner walls of the reservoir (7) with water and dissolving the detergent residues to be added to the solution inside the reservoir (7) ( Figures 3 , 5 and 6 ).
  • the detergent dispenser (6) comprises a reservoir (7) having side walls shaped frustoconically that get narrower from the top downwards.
  • the water flowing into the reservoir (7) from the slot (11) washes down the inner surfaces of the inclined side walls, cleaning the detergent residues ( Figures 3 , 4 ).
  • the detergent dispenser (6) comprises a barrier (12) extending from the ceiling (R) of the reservoir (7) downwards, surrounding the tablet (T) and preventing the water entering into the reservoir (7) to reach the tablet (T) from the side thereof.
  • the water entering into the reservoir (7) from the slot (11) does not act on the tablet (T) due to the barrier (12) and the tablet (T) dissolves slowly, lasting until the end of the washing ( Figures 3 , 4 and 5 ).
  • the barrier (12) is a single piece with the tablet holder (8) and covers the sides of the tablet (T) ( Figures 4 and 5 ).
  • the detergent dispenser (6) comprises an exit hole (13) arranged on the side wall of the reservoir (7) for delivering the solution in the reservoir (7) to the washing environment inside the tub (2) ( Figures 3 and 4 ).
  • the amount of water entering into the reservoir (7) and the dissolving rate of the tablet (T) is controlled by adjusting the width of the slot (11) and furthermore the widths of the inlet and exit holes (9, 13).
  • the lid (9) is pivotally mounted on the ceiling (R) of the reservoir (7) to be opening and closing by means of a hinge mechanism.
  • the lid (9) is opened, the upper side of the tablet holder (8) on the ceiling (R) of the reservoir (7) opens and the tablet (T) is emplaced by the user ( Figure 6 ).
  • the lid (9) is a single piece with the tablet holder (8) and the tablet holder (8) is opened and closed on the ceiling (R) of the reservoir (7) together with the lid (9) ( Figure 5 ).
  • the detergent dispenser (6) used in the dishwasher (1) of the present invention enables the tablet (T) to dissolve controllably and the tablet (T) dissolves slowly until the end of the washing program, being prevented from running out of the chemical substances required at any one stage of the washing program.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (10)

  1. Geschirrspüler (1), der einen Spülbehälter (2), in dem der Spülvorgang durchgeführt wird, eine Tür zum Zugreifen auf den Spülbehälter (2), mehrere Körbe (3), in die zu spülende Artikel gegeben werden, einen oder mehrere Sprüharme (4) zum Abgeben von Wasser an die Artikel in den Körben (3), mehrere Düsen (5), die am Sprüharm (4) zum Sprühen von Wasser auf die Artikel, indem sie einen Wasserstrahl erzeugen, und einen Spülmittelspender (6), in den eine Tablette (T), die wasserlöslich ist und Chemikalien wie etwa Spülmittel, Weichmacher und Klarspüler in gepressten Schichten enthält, gelegt wird, und wobei der Spülmittelspender (6) Folgendes umfasst
    - einen Behälter (7), in den Wasser gelangt, das im Spülbehälter (2) zirkuliert, wobei eine Spülmittel-Wasser-Lösung gebildet wird, wenn das Wasser in Kontakt mit der Tablette (T) gelangt, und durch den die Lösung an die Spülumgebung im Inneren des Spülbehälters (2) abgegeben wird,
    - einen Tablettenhalter (8), der die Tablette (T) in horizontaler Position von der Decke (R) des Behälters (7) und dem unteren Abschnitt im Inneren des Behälters (7) herabhängend hält, wobei eine untere Wand wie ein Gitter oder Sieb geformt ist, so dass Wasser, das in den Behälter (7) eintritt, mit der unteren Fläche (Y) der Tablette (T) in Kontakt gelangt,
    - einen Deckel (9), der an der Decke (R) des Behälters (7) installiert ist und die Tablette (T) im Tablettenhalter (8) abdeckt und verhindert, dass das Wasser, das im Spülbehälter (2) zirkuliert und sich durch die Schwerkraftwirkung nach unten bewegt, die Tablette (T) unmittelbar erreicht, dadurch gekennzeichnet, dass der Spender Folgendes umfasst:
    - eine Einlassöffnung (10), die an der unteren Seite des Behälters (7) angeordnet ist, wobei die Einlassöffnung (10) derart angeordnet ist, dass sie es dem Wasser, das im Spülbehälter (2) zirkuliert, erlaubt, von der unteren Seite in den Behälter (7) zu gelangen und sich im Behälter (7) aufwärts zu bewegen und auf die untere Fläche (Y) der Tablette (T) einzuwirken, die an der Decke (R) des Behälters (7) aufgehängt ist.
  2. Geschirrspüler (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Spülmittelspender (6) die Einlassöffnung (10) umfasst, die sich derart zur unteren Seite des Behälters (7) öffnet, dass sie während der Drehbewegung des Sprüharms (4) mit der Position gegenüber der Düse (5) übereinstimmt, wodurch der Wasserstrahl, der von der Düse (5) nach oben gerichtet wird, bei jeder Umdrehung oder halben Umdrehung des Sprüharms (4) in den Behälter (7) eintreten kann und dadurch intermittierend auf die untere Fläche (Y) der Tablette (T) einwirkt.
  3. Geschirrspüler (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Spülmittelspender (6) einen Schlitz (11) umfasst, der an der Decke (R) des Behälters (7) angeordnet ist und den Deckel (9) am Behälter (7) teilweise oder ganz umgibt, so dass das Wasser, das im Spülbehälter (2) zirkuliert, von oben in den Behälter (7) eintreten kann, um die Innenwände des Behälters (7) mit Wasser zu spülen.
  4. Geschirrspüler (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Spülmittelspender (6) den Behälter (7) mit Seitenwänden umfasst, die kegelstumpfförmig geformt sind und von oben nach unten schmaler werden.
  5. Geschirrspüler (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Spülmittelspender (6) eine Barriere (12) umfasst, die sich von der Decke (R) des Behälters (7) nach unten erstreckt, die Tablette (T) umgibt und verhindert, dass das Wasser, das in den Behälter (7) eintritt, die Tablette (T) von deren Seite aus erreicht.
  6. Geschirrspüler (1) nach Anspruch 5, dadurch gekennzeichnet, dass der Spülmittelspender (6) die Barriere (12) umfasst, die einstückig mit dem Tablettenhalter (8) ist und die Seiten der Tablette (T) abdeckt.
  7. Geschirrspüler (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Spülmittelspender (6) eine Austrittsöffnung (13) umfasst, die an der Seitenwand des Behälters (7) angeordnet ist, um die Lösung im Behälter (7) an die Spülumgebung im Inneren des Spülbehälters (2) abzugeben.
  8. Geschirrspüler (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Spülmittelspender (6) den Deckel (9) umfasst, der drehbar an der Decke (R) des Behälters (7) angebracht ist, um sich mithilfe eines Scharniermechanismus zu öffnen und zu schließen.
  9. Geschirrspüler (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Spülmittelspender (6) den Deckel (9) umfasst, der einstückig mit dem Tablettenhalter (8) ist und an der Decke (R) des Behälters (7) zusammen mit dem Tablettenhalter (8) geöffnet und geschlossen wird.
  10. Geschirrspüler (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Spülmittelspender (6) derart angebracht ist, dass er an der Vorderseite des oberen Korbs (3) herabhängt.
EP08866460.2A 2007-12-31 2008-12-27 Geschirrspülmaschine Not-in-force EP2240065B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200709223 2007-12-31
PCT/EP2008/068302 WO2009083576A1 (en) 2007-12-31 2008-12-27 A dishwasher

Publications (2)

Publication Number Publication Date
EP2240065A1 EP2240065A1 (de) 2010-10-20
EP2240065B1 true EP2240065B1 (de) 2015-09-09

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EP08866460.2A Not-in-force EP2240065B1 (de) 2007-12-31 2008-12-27 Geschirrspülmaschine

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EP (1) EP2240065B1 (de)
WO (1) WO2009083576A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108601501A (zh) * 2016-02-05 2018-09-28 三花亚威科电器设备有限公司 用于分配洗涤剂的装置
US11412911B2 (en) 2018-06-26 2022-08-16 Electrolux Appliances Aktiebolag Dishwasher
US11464390B2 (en) 2017-10-31 2022-10-11 Electrolux Appliances Aktiebolag Fan-shaped spray detergent nozzle
EP4271241A4 (de) * 2020-12-30 2025-01-08 Arçelik Anonim Sirketi Geschirrspülmaschine
WO2025178897A1 (en) * 2024-02-19 2025-08-28 Ecolab Usa Inc. Ware washer detergent dispenser

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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US8734591B2 (en) 2010-12-03 2014-05-27 Whirlpool Corporation Dishwasher with auxiliary, tough soil chemistry dispensing system
US8925561B2 (en) 2011-10-11 2015-01-06 Whirlpool Corporation Dishwasher dispensing system with timed delay
US8721804B2 (en) 2011-10-24 2014-05-13 Whirlpool Corporation Dishwasher with auxiliary washing agent dispensing system
US9034114B2 (en) 2012-09-14 2015-05-19 Whirlpool Corporation Dishwasher with booster agent dispersal system
US9545185B2 (en) * 2013-08-26 2017-01-17 Samsung Electronics Co., Ltd. Adjustable utensil tray with a detergent dispenser and movable dividers
US9901240B2 (en) 2013-08-26 2018-02-27 Samsung Electronics Co., Ltd. Tine adjustment and adaptable wash cycle control
DE102014100318B4 (de) * 2014-01-13 2018-05-17 Miele & Cie. Kg Geschirrspülmaschine
DE102014103515A1 (de) * 2014-03-14 2015-09-17 Miele & Cie. Kg Geschirrspülmaschine
JP2016047083A (ja) * 2014-08-27 2016-04-07 リンナイ株式会社 食器洗浄機
JP6117750B2 (ja) * 2014-08-27 2017-04-19 リンナイ株式会社 食器洗浄機
PL3393327T3 (pl) 2015-12-21 2020-11-16 Electrolux Appliances Aktiebolag Zmywarka zawierająca układ ramienia zmywającego
CN107616772B (zh) * 2016-07-14 2021-04-09 青岛海尔洗碗机有限公司 一种洗碗机冲洗及洗碗粉添加装置
US11464391B2 (en) 2017-10-31 2022-10-11 Electrolux Appliances Aktiebolag Spray arm assembly
US11612299B2 (en) 2017-10-31 2023-03-28 Electrolux Appliances Aktiebolag Wash arm assembly
CN112105449B (zh) * 2018-05-07 2023-08-22 埃科莱布美国股份有限公司 分配器和溶液分配方法
US11937756B2 (en) 2018-12-21 2024-03-26 Electrolux Appliances Aktiebolag Dishwasher with detergent dispenser
AU2019447499A1 (en) 2019-05-23 2021-11-04 Electrolux Appliances Aktiebolag Dishwasher with improved detergent dispenser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09503799A (ja) * 1993-09-13 1997-04-15 ディヴァーシィ コーポレーション タブレット状洗剤、その製造法および使用法
ES2175283T3 (es) * 1996-10-25 2002-11-16 Unilever Nv Dispositivo de dispensacion.
IT243409Y1 (it) * 1997-01-29 2002-03-04 Electrolux Zanussi Elettrodome Lavastoviglie con distributore di detersivo

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108601501A (zh) * 2016-02-05 2018-09-28 三花亚威科电器设备有限公司 用于分配洗涤剂的装置
US11266292B2 (en) 2016-02-05 2022-03-08 Sanhua Aweco Appliance Systems Gmbh Device for dispensing cleaning agent
US11464390B2 (en) 2017-10-31 2022-10-11 Electrolux Appliances Aktiebolag Fan-shaped spray detergent nozzle
US11412911B2 (en) 2018-06-26 2022-08-16 Electrolux Appliances Aktiebolag Dishwasher
EP4271241A4 (de) * 2020-12-30 2025-01-08 Arçelik Anonim Sirketi Geschirrspülmaschine
WO2025178897A1 (en) * 2024-02-19 2025-08-28 Ecolab Usa Inc. Ware washer detergent dispenser

Also Published As

Publication number Publication date
EP2240065A1 (de) 2010-10-20
WO2009083576A1 (en) 2009-07-09

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