EP3928677B1 - A dishwasher comprising a gear - Google Patents

A dishwasher comprising a gear Download PDF

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Publication number
EP3928677B1
EP3928677B1 EP21171618.8A EP21171618A EP3928677B1 EP 3928677 B1 EP3928677 B1 EP 3928677B1 EP 21171618 A EP21171618 A EP 21171618A EP 3928677 B1 EP3928677 B1 EP 3928677B1
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EP
European Patent Office
Prior art keywords
dishwasher
gear
dirt particles
channel
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.)
Active
Application number
EP21171618.8A
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German (de)
French (fr)
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EP3928677A1 (en
Inventor
Ugur Kan
Orhan Atabey
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
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Publication date
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Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP3928677A1 publication Critical patent/EP3928677A1/en
Application granted granted Critical
Publication of EP3928677B1 publication Critical patent/EP3928677B1/en
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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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • A47L15/4227—Arrangements or adaption of recirculation or discharge pumps with macerator arrangements for chopping entrained food particles

Definitions

  • the present invention relates to a dishwasher comprising a gear.
  • dirty kitchen items are placed onto the racks.
  • the water is delivered onto the dirty kitchen items placed onto the racks by means of the spray arms.
  • the water is delivered to the spray arms by means of the circulation pump.
  • a mechanical water guiding valve is used to guide the water to different spray arms at different times.
  • the dirt particles removed from the kitchen items with the pressure of the sprayed water sometimes scatter in the washing tub without being dissolved and leave the tub with the guidance of the water.
  • the dirt particles leaving the tub are retained by means of the strainer, microfilter and the coarse filter structures provided on the base of the tub. Thus, the dirt particles are prevented from entering the water line and clogging the water line.
  • the dirt particles retained by the strainer, the microfilter and the coarse filter structures accumulate there in the course of time, preventing a clean washing of the dishes. Therefore, the strainer, the microfilter and the coarse filter structures are removed from the washing tub and cleaned by the user at certain intervals. The same components are replaced after the washing process and the washing programs are run. However, when the strainer, the microfilter and the coarse filter structures are not properly mounted or are damaged, the filtering process cannot be efficiently realized. This causes the spray arms, the circulation pump and the mechanical valves to get clogged, and the gears to get damaged.
  • the aim of the present invention is the realization of a dishwasher with improved washing efficiency.
  • the dishwasher realized in order to attain the aim of the present invention, explicated in the first claim and the dependent claims thereof, comprises a body; a washing tub which is provided in the body; a filter group which filters the dirt particles in the washing tub; a plurality of spray arms which are disposed in the washing tub and which provide the delivery of the water to the kitchen items; a circulation pump which provides the delivery of the water to the spray arms; and a mechanical water guiding valve which enables the water to be guided to the desired spray arm.
  • the filter group comprises a main strainer at the base of the washing tub, and a microfilter and a coarse filter which are provided under the main strainer. Thus, the dirt particles in the washing tub are filtered.
  • the dishwasher of the present invention comprises the mechanical water guiding valve having a gear group composed of a plurality of gears which provide the disintegration of the dirt particles.
  • the gears disintegrating the dirt particles, the dirt particles passing through the filter group are prevented from damaging the mechanical water guiding valve.
  • the spray arms are prevented from getting clogged, improving the washing efficiency.
  • the dishwasher comprises an inclined channel which is provided on the gear between the teeth.
  • the inclined channels between the teeth By means of the inclined channels between the teeth, the dirt particles are prevented from getting stuck between the gears.
  • the dishwasher comprises the gear having the stepped channel.
  • the thickness of the gear decreases towards the ends.
  • the dishwasher comprises the gear having at least one sharp surface provided on the channel.
  • the sharp surface is formed by means of the stepped form on a gear surface closest to the other gear.
  • the dishwasher comprises the gear having the channel with an angle between 3 degrees and 90 degrees.
  • the dirt particles are enabled to leave the gear group.
  • a dishwasher is realized, wherein the washing efficiency is improved by means of the gear group removing the dirt particles which cannot be filtered by the filter group from the mechanical water guiding valve.
  • the dishwasher (1) comprises a body (2); a washing tub (3) which is provided in the body (2) and wherein the washing process is performed; a filter group (7) provided at the base of the washing tub (3) and having a main strainer (4) which strains the dirt particles breaking off from the kitchen items placed into the washing tub (3) and a microfilter (5) and a coarse filter (6) which are positioned under the main strainer (4); a plurality of spray arms (8) which provide the delivery of water to the kitchen items in the washing tub (3); a circulation pump (9) which enables the water to be guided to the spray arms (8); and a mechanical water guiding valve (10) which enables the water to be guided to the desired spray arms (8) in order.
  • the dirt particles removed from the kitchen items are retained by the filter group (7).
  • the water cleansed of dirt particles by passing through the filter group (7) is delivered back to the spray arms (8) by means of the circulation pump (9).
  • the mechanical water guiding valve (10) is used to guide the water to the desired spray arm (8).
  • the dishwasher (1) of the present invention comprises the mechanical water guiding valve (10) having a gear group (12) composed of a plurality of gears (11) which provide the disintegration of the dirt particles that cannot be filtered by the filter group (7).
  • the dirt particles that cannot be filtered by the filter group (7) are delivered to the gear group (12).
  • the gears (11) move together, the dirt particles are enabled to be disintegrated and to leave the mechanical water guiding valve (10).
  • the dishwasher (1) comprises an inclined channel (13) which is provided on the gear (11) between the teeth.
  • the dirt particles are prevented from accumulating on the gear (11).
  • the disintegrated dirt particles leave the mechanical water guiding valve (10) thanks to the inclination.
  • the dishwasher (1) comprises the stepped channel (13) which is provided between the teeth.
  • the dirt particles are enabled to leave the mechanical water guiding valve (10) without getting stuck on the gear (11).
  • the dirt particles are prevented from reaching the spray arms (8), improving the washing efficiency.
  • the dishwasher (1) comprises the gear (11) having at least one sharp surface (14) provided at the edges of the channel (13).
  • the sharp surface (14) can be obtained by the inclined or horizontal form.
  • the dishwasher (1) comprises the channel (13) with an angle value of approximately between 3 degrees and 90 degrees. By means of the larger angle of the channel (13), ease of production is provided.
  • the dirt particles are prevented from being delivered to the spray arms (8) thanks to the inclined and/or stepped form of the channels (13).
  • the risk of malfunction is eliminated, and the washing efficiency is improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Description

  • The present invention relates to a dishwasher comprising a gear.
  • In dishwashers, dirty kitchen items are placed onto the racks. The water is delivered onto the dirty kitchen items placed onto the racks by means of the spray arms. The water is delivered to the spray arms by means of the circulation pump. However, a mechanical water guiding valve is used to guide the water to different spray arms at different times. The dirt particles removed from the kitchen items with the pressure of the sprayed water sometimes scatter in the washing tub without being dissolved and leave the tub with the guidance of the water. The dirt particles leaving the tub are retained by means of the strainer, microfilter and the coarse filter structures provided on the base of the tub. Thus, the dirt particles are prevented from entering the water line and clogging the water line. The dirt particles retained by the strainer, the microfilter and the coarse filter structures accumulate there in the course of time, preventing a clean washing of the dishes. Therefore, the strainer, the microfilter and the coarse filter structures are removed from the washing tub and cleaned by the user at certain intervals. The same components are replaced after the washing process and the washing programs are run. However, when the strainer, the microfilter and the coarse filter structures are not properly mounted or are damaged, the filtering process cannot be efficiently realized. This causes the spray arms, the circulation pump and the mechanical valves to get clogged, and the gears to get damaged.
  • In the state of the art European Patent Application No. EP3222193 , a dishwasher is disclosed, wherein a mechanism water guiding valve is used.
  • Document US 2013/092188 A1 discloses a washing machine with a triturating device placed between a filter and a recirculation pump.
  • The aim of the present invention is the realization of a dishwasher with improved washing efficiency.
  • The dishwasher realized in order to attain the aim of the present invention, explicated in the first claim and the dependent claims thereof, comprises a body; a washing tub which is provided in the body; a filter group which filters the dirt particles in the washing tub; a plurality of spray arms which are disposed in the washing tub and which provide the delivery of the water to the kitchen items; a circulation pump which provides the delivery of the water to the spray arms; and a mechanical water guiding valve which enables the water to be guided to the desired spray arm. By means of the circulation pump, the water filtered by the filter group is delivered to the spray arms via the mechanical water guiding valve. The filter group comprises a main strainer at the base of the washing tub, and a microfilter and a coarse filter which are provided under the main strainer. Thus, the dirt particles in the washing tub are filtered.
  • The dishwasher of the present invention comprises the mechanical water guiding valve having a gear group composed of a plurality of gears which provide the disintegration of the dirt particles. By means of the gears disintegrating the dirt particles, the dirt particles passing through the filter group are prevented from damaging the mechanical water guiding valve. Thus, the spray arms are prevented from getting clogged, improving the washing efficiency.
  • In a preferred embodiment of the present invention, the dishwasher comprises an inclined channel which is provided on the gear between the teeth. By means of the inclined channels between the teeth, the dirt particles are prevented from getting stuck between the gears.
  • In a preferred embodiment of the present invention, the dishwasher comprises the gear having the stepped channel. The thickness of the gear decreases towards the ends. By means of the stepped channels between the teeth, the dirt particles are prevented from getting stuck between the gears. Thus, the gears are prevented from getting damaged.
  • In a preferred embodiment of the present invention, the dishwasher comprises the gear having at least one sharp surface provided on the channel. The sharp surface is formed by means of the stepped form on a gear surface closest to the other gear. By means of the sharp surface, the dirt particles entering the channel are enabled to leave the mechanical water guiding valve.
  • In a preferred embodiment of the present invention, the dishwasher comprises the gear having the channel with an angle between 3 degrees and 90 degrees. By means of the large angle of the channel, the dirt particles are enabled to leave the gear group.
  • By means of the present invention, a dishwasher is realized, wherein the washing efficiency is improved by means of the gear group removing the dirt particles which cannot be filtered by the filter group from the mechanical water guiding valve.
  • A dishwasher realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
    • Figure 1 - is the perspective view of the dishwasher.
    • Figure 2 - is the schematic view of the washing tub, the filter group and the gear group.
    • Figure 3 - is the top view of the gears.
    • Figure 4 - is the cross-sectional view of the gears.
  • The elements illustrated in the figures are numbered as follows:
    1. 1. Dishwasher
    2. 2. Body
    3. 3. Washing tub
    4. 4. Main strainer
    5. 5. Microfilter
    6. 6. Coarse filter
    7. 7. Filter group
    8. 8. Spray arm
    9. 9. Circulation pump
    10. 10. Mechanical water guiding valve
    11. 11. Gear
    12. 12. Gear group
    13. 13. Channel
    14. 14. Sharp surface
  • The dishwasher (1) comprises a body (2); a washing tub (3) which is provided in the body (2) and wherein the washing process is performed; a filter group (7) provided at the base of the washing tub (3) and having a main strainer (4) which strains the dirt particles breaking off from the kitchen items placed into the washing tub (3) and a microfilter (5) and a coarse filter (6) which are positioned under the main strainer (4); a plurality of spray arms (8) which provide the delivery of water to the kitchen items in the washing tub (3); a circulation pump (9) which enables the water to be guided to the spray arms (8); and a mechanical water guiding valve (10) which enables the water to be guided to the desired spray arms (8) in order. The dirt particles removed from the kitchen items are retained by the filter group (7). The water cleansed of dirt particles by passing through the filter group (7) is delivered back to the spray arms (8) by means of the circulation pump (9). The mechanical water guiding valve (10) is used to guide the water to the desired spray arm (8).
  • The dishwasher (1) of the present invention comprises the mechanical water guiding valve (10) having a gear group (12) composed of a plurality of gears (11) which provide the disintegration of the dirt particles that cannot be filtered by the filter group (7). The dirt particles that cannot be filtered by the filter group (7) are delivered to the gear group (12). As the gears (11) move together, the dirt particles are enabled to be disintegrated and to leave the mechanical water guiding valve (10).
  • In an embodiment of the present invention, the dishwasher (1) comprises an inclined channel (13) which is provided on the gear (11) between the teeth. By means of the inclined form of the channel (13), the dirt particles are prevented from accumulating on the gear (11). The disintegrated dirt particles leave the mechanical water guiding valve (10) thanks to the inclination.
  • In an embodiment of the present invention, the dishwasher (1) comprises the stepped channel (13) which is provided between the teeth. By means of the stepped form, the dirt particles are enabled to leave the mechanical water guiding valve (10) without getting stuck on the gear (11). Thus, the dirt particles are prevented from reaching the spray arms (8), improving the washing efficiency.
  • In an embodiment of the present invention, the dishwasher (1) comprises the gear (11) having at least one sharp surface (14) provided at the edges of the channel (13). The sharp surface (14) can be obtained by the inclined or horizontal form. By means of the sharp surfaces (14) of the edges, the dirt particles with a wider surface area are enabled to be more easily disintegrated and leave the mechanical water guiding valve (10).
  • In an embodiment of the present invention, the dishwasher (1) comprises the channel (13) with an angle value of approximately between 3 degrees and 90 degrees. By means of the larger angle of the channel (13), ease of production is provided.
  • By means of the present invention, the dirt particles are prevented from being delivered to the spray arms (8) thanks to the inclined and/or stepped form of the channels (13). Thus, the risk of malfunction is eliminated, and the washing efficiency is improved.

Claims (5)

  1. A dishwasher (1) comprising a body (2); a washing tub (3) which is provided in the body (2) and wherein the washing process is performed; a filter group (7) provided at the base of the washing tub (3) and having a main strainer (4) which strains the dirt particles breaking off from the kitchen items placed into the washing tub (3) and a microfilter (5) and a coarse filter (6) which are positioned under the main strainer (4); a plurality of spray arms (8) which provide the delivery of water to the kitchen items in the washing tub (3); a circulation pump (9) which enables the water to be guided to the spray arms (8); and a mechanical water guiding valve (10) which enables the water to be guided to the desired spray arms (8) in order, characterized by the mechanical water guiding valve (10) having a gear group (12) composed of a plurality of gears (11) which provide the disintegration of the dirt particles that cannot be filtered by the filter group (7).
  2. A dishwasher (1) as in Claim 1, characterized by an inclined channel (13) which is provided on the gear (11) between the teeth.
  3. A dishwasher (1) as in Claim 2, characterized by the stepped channel (13) which is provided between the teeth.
  4. A dishwasher (1) as in Claim 2 or Claim 3, characterized by the gear (11) having at least one sharp surface (14) provided at the edges of the channel (13).
  5. A dishwasher (1) as in any one of the above claims, characterized by the channel (13) with an angle value of approximately between 3 degrees and 90 degrees.
EP21171618.8A 2020-06-22 2021-04-30 A dishwasher comprising a gear Active EP3928677B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2020/09644A TR202009644A2 (en) 2020-06-22 2020-06-22 A DISHWASHER WITH A THREADED ELEMENT

Publications (2)

Publication Number Publication Date
EP3928677A1 EP3928677A1 (en) 2021-12-29
EP3928677B1 true EP3928677B1 (en) 2023-01-04

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EP (1) EP3928677B1 (en)
PL (1) PL3928677T3 (en)
TR (1) TR202009644A2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130092188A1 (en) 2011-10-17 2013-04-18 Whirlpool Corporation Convertible dishwasher

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
JP2003265396A (en) * 2002-03-14 2003-09-24 Mitsubishi Electric Corp Dishwasher
KR101266868B1 (en) * 2006-07-12 2013-05-23 삼성전자주식회사 A tableware washing machine
US8888931B2 (en) * 2010-12-14 2014-11-18 General Electric Company Dishwasher pump inlet macerator system
KR20150003562U (en) * 2014-03-20 2015-10-02 최선기 Food waste crushing device
TR201603750A2 (en) 2016-03-23 2017-10-23 Vestel Beyaz Esya Sanayi Ve Ticaret Anonim Sirketi A divider.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130092188A1 (en) 2011-10-17 2013-04-18 Whirlpool Corporation Convertible dishwasher

Non-Patent Citations (22)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "IFA Berlin", 18 September 2023 (2023-09-18), pages 1 - 3, XP093135229, Retrieved from the Internet <URL:https://en.wikipedia.org/w/index.php?title=IFA_Berlin&oldid=1175963128> [retrieved on 20240227]
ANONYMOUS: "List of Exhibitors", IFA CONSUMER ELECTRONICS UNLIMITED, 6 September 2017 (2017-09-06), pages 1 - 20, XP093135227
ANONYMOUS: "Vestel BM 401 X Bulasik Makinesi ", 17 April 2019 (2019-04-17), pages 1 - 2, XP093135224, Retrieved from the Internet <URL:https://web.archive.org/web/20190417115300/https:/www.vestel.com.tr/vestel-bm-401-x-bulasik-makinesi> [retrieved on 20240227]
ARCHIVED LINK TO VESTEL WEBSITE FROM 17 APR 2019, SHOWING PRODUCT BM- 401 X AVAILABLE FOR PURCHASE
DOCUMENT US2013/0092188A1, CITED BY THE EXAMINING DIVISION DURING PROSECUTION OF THE PATENT. INCLUDED AS EXAMPLE OF COMMON GENE
IMAGES E2A TO E2O OF VESTEL PRODUCT BM-401 X AND SALES DOCUMENTS FROM SALE TO CUSTOMER MEHMET KALE IN OCTOBER 2018
SCREENSHOTS OF THE FULL ‘AQUAZONE’ VIDEO SHOWN AT THE VESTEL STAND AT IFA 2017
SCREENSHOTS OF VESTEL PRODUCT BM-401 X FROM E2
SCREENSHOTS OF YOUTUBE VIDEO SHOWING VESTEL STAND AT IFA 2017 CONFERENCE IN BERLIN IN JUNE 2017
SHIFTDELETE.NET: "Yerli gururumuz VESTEL'in IFA 2017 standını gezdik!", XP093186558, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=med9hMV93Gc>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V10", XP093186557, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=Yz2XjikanUg>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V14", XP093186560, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=JYTZ3gM2PUM>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V3", XP093186545, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=k0_sXKhrIQE>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V4", XP093186546, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=Cz3JhPmstpM>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V5", XP093186548, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=mxSC9TJ4RXE>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V6", XP093186549, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=PZ0lJFYcF0M>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V7", XP093186550, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=qDLdVEbbQYc>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V8", XP093186552, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=B_7hVjzeLJ0>
VESTEL BEYAZ EŞYA FIKRI HAKLAR: "V9", XP093186553, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=R9PlXb3JuZA>
WITNESS STATEMENT OF CAN AKSOY, EMPLOYEE OF VESTEL FROM VIDEO V13 SHOWN IN SCREENSHOT UNDER E13C
WITNESS STATEMENT OF KUTLAY KESTEM, EMPLOYEE OF VESTEL FROM VIDEO V13 SHOWN IN SCREENSHOT UNDER E13C
WITNESS STATEMENT OF MEHMET KALE, CUSTOMER OF VESTEL

Also Published As

Publication number Publication date
EP3928677A1 (en) 2021-12-29
TR202009644A2 (en) 2022-01-21
PL3928677T3 (en) 2023-06-12

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