WO2020036405A1 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

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Publication number
WO2020036405A1
WO2020036405A1 PCT/KR2019/010281 KR2019010281W WO2020036405A1 WO 2020036405 A1 WO2020036405 A1 WO 2020036405A1 KR 2019010281 W KR2019010281 W KR 2019010281W WO 2020036405 A1 WO2020036405 A1 WO 2020036405A1
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WO
WIPO (PCT)
Prior art keywords
chamber
duct
air
fan
circulation duct
Prior art date
Application number
PCT/KR2019/010281
Other languages
English (en)
Korean (ko)
Inventor
김대규
김승훈
김일환
윤상헌
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to EP19849901.4A priority Critical patent/EP3838103B1/fr
Priority to CN201980053276.7A priority patent/CN112566535A/zh
Priority to US17/268,265 priority patent/US20210298560A1/en
Publication of WO2020036405A1 publication Critical patent/WO2020036405A1/fr

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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
    • A47L15/48—Drying arrangements
    • A47L15/488—Connections of the tub with the ambient air, e.g. air intake or venting arrangements
    • 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
    • A47L15/48—Drying arrangements
    • A47L15/486—Blower arrangements
    • 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
    • A47L15/4246—Details of the tub
    • 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
    • A47L15/48—Drying arrangements
    • A47L15/483—Drying arrangements by using condensers
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/10—Air circulation, e.g. air intake or venting arrangements

Definitions

  • the present invention relates to a dishwasher, and more particularly, to a dishwasher for driving two fans with one motor.
  • the drying process of the dishwasher increases the temperature of the water sprayed on the tableware, increases the temperature of the tableware, promotes the evaporation of the water on the tableware, and condenses the evaporated water vapor in a cooling duct located inside or outside the washing tank, Absorption can be done.
  • Another object of the present invention is to provide a dishwasher in which two fans and a fan assembly for driving the same may be additionally installed to circulate air in the tub and form a flow of air that is heat exchanged with the circulated air.
  • a first fan which forms an air flow of any one of a flow or an air flow from the external air inlet duct to the heat exchange duct; It is disposed below the first fan, rotates about a rotation axis formed up and down, the remaining of the air flow from the first circulation duct to the second circulation duct or the air flow from the outside air inlet duct to the heat exchange duct
  • a second fan forming one air flow;
  • a fan housing forming a first chamber forming a space in which the first fan is disposed and a second chamber forming a space in which the second fan is disposed;
  • a fan motor disposed below the second fan to rotate the first fan and the second fan, and a fan assembly for drying the tub may be compactly disposed in the lower space of the tub.
  • the first chamber has air flowing through the first circulation duct into the first inlet, and air is discharged through the first outlet into the second circulation duct, and the second chamber is connected to the second inlet. Air introduced from the outside of the cabinet is introduced, and air is discharged into the heat exchange duct through the second outlet.
  • the fan housing forms a third chamber defining a space in which the fan motor is disposed, and the third chamber is disposed under the second chamber and communicates with the second inlet.
  • the fan housing includes: an upper cover forming an upper portion of the first chamber; A lower cover forming a lower portion of the second chamber; And a central cover disposed between the upper cover and the lower cover to partition the first chamber and the second chamber.
  • FIG. 1 is a schematic front cross-sectional view of a dishwasher according to one embodiment of the present invention.
  • Figure 2 is a schematic block diagram illustrating the flow of air in the dishwasher during the drying process according to an embodiment of the present invention.
  • FIG 3 is a view for explaining the heat exchange generated in the air flowing through the tub, the circulation duct and the heat exchange duct according to an embodiment of the present invention.
  • FIG. 4 is a view for explaining the configuration and arrangement of the tub, circulation duct, heat exchange duct and fan assembly according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of one side of the fan assembly according to an embodiment of the present invention.
  • FIG. 6 is an exploded perspective view of a fan assembly according to an embodiment of the present invention.
  • Figure 7a is a view for explaining the arrangement of the outdoor air inlet duct according to an embodiment of the present invention.
  • FIG. 7B is a view for explaining the arrangement of the outdoor air inlet duct according to another embodiment of the present invention.
  • FIG. 8 is a cross-sectional side view illustrating an inner side of a fan assembly according to an embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of one side of the fan housing to explain the coupling relationship between the fan assembly and the fan housing according to an embodiment of the present invention.
  • Figure 10a is a view showing the lower side of the lower cover of the fan housing according to an embodiment of the present invention.
  • FIG. 1 is a schematic front cross-sectional view of a dishwasher according to one embodiment of the present invention.
  • the dishwasher 10 may include a dispenser (not shown) for storing the detergent introduced by the user and injecting the detergent into the tub 14 in the washing step.
  • the dispenser may be disposed in the door 16.
  • Cabinet 12 forms an outer shape, one side may be open.
  • the tub 14 according to the present embodiment is disposed inside the cabinet 12.
  • the tub 14 according to the present exemplary embodiment may form a space between the cabinet 12 and the heat exchange duct 80 and the circulation ducts 60 and 70 to be described below.
  • a circulation duct inlet hole 62a through which air flowing through the washing chamber 14a inside the tub 14 is discharged to the circulation ducts 60 and 70 is formed.
  • the circulation duct exhaust hole 76 through which air flowing in the circulation ducts 60 and 70 is discharged to the washing chamber 14a inside the tub 14 is formed.
  • Dishwasher 10 is a rack (36, 38) for receiving the dishes in the tub 14, the spray nozzle 30 for spraying the washing water toward the dishes accommodated in the rack (36, 38) 32, 34, a sump 18 for supplying washing water to the injection nozzles 30, 32, and 34, and a washing pump 20 for pumping the washing water stored in the sump 18 into the injection module.
  • the racks 36 and 38 include an upper rack 36 disposed above the washing chamber 14a and a lower rack 38 disposed below the upper rack 36.
  • the spray nozzles 30, 32, and 34 are disposed on the upper side of the washing chamber 14a and disposed between the top spray nozzle 30, the upper rack 36, and the lower rack 38 for spraying the washing water into the washing chamber 14a. It is disposed below the upper injection nozzle 32 and the lower rack 38 for spraying the washing water to the upper rack 36 or the upper rack 36 and the lower rack 38, spraying the washing water to the lower rack (38) It may further include a lower portion four nozzles (34).
  • Each of the plurality of injection nozzles 30, 32, and 34 may be connected to a plurality of injection nozzle connecting pipes 40, 42, and 44.
  • the impeller 22 rotating to supply the washing water in the washing pump 20 to the plurality of injection nozzles, the washing motor 24 rotating the impeller 22, and the washing pump 20 inside the washing pump 20. It may include a heater 26 for heating the wash water.
  • the washing water pumped from the washing pump 20 flows through the washing water supply pipe 46, and the switching valve 28 connects at least one of the plurality of injection nozzles 30, 32, and 34 to the washing water supply pipe 46.
  • the drainage assembly according to the present embodiment is disposed on the drain pipe 52 formed with a drain flow path for guiding the water stored in the sump 18 to the outside, and is disposed on the drain flow path formed in the drain pipe 52 to wash the water in the sump 18. It may be provided with a drain pump 54 for draining to the outside.
  • the drain pump 54 may include a drain motor (not shown) for generating a rotational force.
  • Figure 2 is a block diagram illustrating the flow of air in the dish washer in the drying process according to an embodiment of the present invention.
  • 3 is a view for explaining the heat exchange generated in the air flowing through the tub, the circulation duct and the heat exchange duct according to an embodiment of the present invention.
  • 4 is a view for explaining the configuration and arrangement of the tub, circulation duct, heat exchange duct and fan assembly according to an embodiment of the present invention.
  • Figure 5a is a view for explaining the arrangement of the air inlet duct according to an embodiment of the present invention.
  • 5B is a view for explaining an arrangement of an outside air induction duct according to another embodiment of the present invention.
  • the dishwasher 10 includes air circulating ducts 60 and 70 that form a space in which the air inside the washing chamber 14a flows out of the tub 14 and circulates outside the cabinet 12. It includes a heat exchange duct (80) that flows in and heat exchanges with the circulation ducts (60, 70) and a fan assembly (100) forming a flow of air of the circulation ducts (60, 70) and the heat exchange duct (80).
  • the circulation ducts 60 and 70 are the first circulation duct 60 for heat-exchanging the air discharged from the tub 14 with the heat exchange duct 80 and the washing chamber 14a inside the tub 14 by heating the heat-exchanged air. It includes a second circulation duct 70 for supplying).
  • the first circulation duct 60 is disposed between the side surface of the tub 14 and the cabinet 12 to exchange heat between the heat exchange-circulation duct 64 and the air discharged from the tub 14 to exchange heat with the heat exchange duct 80. It may comprise a connecting duct 62 to the circulation duct (64).
  • connection duct 62 connects the circulation duct inlet hole 62a formed on the tub 14 and the heat exchange-circulation duct 64.
  • a plurality of flow path guides 66 may be formed inside the heat exchange-circulation duct 64 to guide the flow of air.
  • the flow guide 66 adjusts the speed of the air flowing in the heat exchange-circulation duct 64 or allows the effective length of heat exchange to be made at a long distance.
  • the heat exchange-circulation duct 64 may include a plurality of condensate guides 68 for guiding condensate generated by the heat exchange to the circulation duct exhaust hole 76.
  • the plurality of condensation guides 68 may be disposed on one inner side and the other side of the heat exchange-circulation duct 64, respectively.
  • the second circulation duct 70 flows the first circulation duct 60 to supply heat-exchanged air into the tub 14.
  • the circulation unit heater 78 may be disposed in the second circulation duct 70. Therefore, the air flowing through the second circulation duct 70 may be heated by the circulation heater 78 and supplied into the tub 14.
  • the washing water scattered from the washing chamber 14a in the tub 14 to the second circulation duct 70 may be prevented from flowing into the circulation heater 78.
  • the heat exchange duct 80 may be disposed between the side surface of the tub 14 and the first circulation duct 60. Therefore, the air introduced from the outside flowing the heat exchange duct 80 may exchange heat with the first circulation duct 60. In addition, the air flowing through the heat exchange duct 80 may exchange heat with the air flowing through the washing chamber 14a in the tub 14. Therefore, the hot and humid air flowing through the washing chamber 14a of the tub 14 and the hot and humid air flowing through the first circulation duct 60 are used to exchange condensed water by heat exchange with external air flowing through the heat exchange duct 80. Can be generated.
  • a separate flow guide (not shown) may also be formed inside the heat exchange duct 80.
  • the dishwasher 10 may include an exhaust duct 86 for discharging air heat-exchanged with the first circulation duct 60 in the heat exchange duct 80 to the outside of the cabinet 12.
  • the exhaust duct 86 is disposed above the tub 14, and can exhaust air to the front of the cabinet 12.
  • the air introduced into the cabinet 12 from the outside may flow to the heat exchange duct 80 through the outside air inlet ducts 140a and 140b.
  • the outdoor air inlet ducts 140a and 140b according to the present embodiment may be connected to the third chamber 124 which will be described below. Therefore, the outside air introduced into the outside air inlet ducts 140a and 140b flows to the second chamber 122 through the third chamber 124 and flows to the heat exchange duct 80 by the rotation of the second fan (). Can be.
  • the outside air inlet duct 140a may be formed at one side of a circumferential surface on which the fan motor 134 of the fan assembly 100 is disposed. In this case, the outside air may flow into the rear of the cabinet 12.
  • the outside air inlet duct 140b may be disposed below the fan assembly 100. In this case, the outside air may be introduced into the cabinet 12 through the lower side of the cabinet 12.
  • FIG. 6 is a cross-sectional side view illustrating the inside of the fan assembly according to an embodiment of the present invention.
  • 7 is an exploded perspective view of the fan assembly according to an embodiment of the present invention.
  • 8 is a side cross-sectional view for describing the inside of the fan assembly according to an embodiment of the present invention.
  • 9 is a view for explaining the coupling relationship between the fan motor and the fan housing according to an embodiment of the present invention.
  • Figure 10a is a view showing the lower side of the lower cover of the fan housing according to an embodiment of the present invention.
  • 10B is a view of one side of the lower cover of the fan housing according to the embodiment of the present invention is cut away.
  • the fan assembly 100 includes a first chamber 120 and external air flowing into the first circulation duct 60 and the second circulation duct 70 and communicating with the heat exchange duct 80.
  • the first fan (110) forming the second chamber 122, the first fan 120 is disposed in the interior, and flows the air in the first circulation duct 60 to the second circulation duct 70 ( 130, the second fan 132 and the first fan 130 or the second disposed in the second chamber 122 to flow the air introduced into the cabinet 12 from the outside into the heat exchange duct 80 It is disposed on one side of the fan 132, and includes a fan motor 134 for rotating the first fan 130 and the second fan 132.
  • the first chamber 120 and the second chamber 122 disposed inside the fan housing 110 may be disposed up and down.
  • the first chamber 120 according to the present embodiment is disposed above the second chamber 122.
  • a third chamber 124 in which the fan motor 134 is disposed below the second chamber 122 may be formed.
  • a first inlet 120a communicating with the first circulation duct 60 is formed on the upper side of the first chamber 120, and communicating with the second circulation duct 70 on one side of the circumferential surface of the first chamber 120.
  • the first outlet 120b is formed.
  • a second inlet 122a through which air introduced from the outside of the cabinet 12 is introduced is formed below the second chamber 122, and one side of the circumferential surface of the second chamber 122 communicates with the heat exchange duct 80.
  • the second discharge port 122b is formed.
  • the second inlet 122a according to the present embodiment communicates the second chamber 122 with the third chamber 124.
  • the third chamber 124 may be connected to the external air inlet ducts 140a and 140b.
  • the first chamber 120 and the second chamber 122 are disposed up and down with the center cover 116 interposed therebetween, and the inner space does not communicate.
  • the second chamber 122 and the third chamber 124 are disposed vertically and in communication with each other.
  • a chamber partition plate 114a having a second inlet 122a is disposed between the second chamber 122 and the third chamber 124.
  • the fan housing 110 includes an upper cover 112 forming an upper portion of the first chamber 120, a lower cover 114 forming an lower portion of the second chamber 122, an upper cover 112, and a lower cover ( The central cover 116 is disposed between the first chamber 120 and the second chamber 122.
  • the first chamber 120 is formed by the combination of the upper cover 112 and the center cover 116. Combination of the upper cover 112 and the central cover 116 may form an exhaust chamber 126 that sends the air discharged from the first chamber 120 to the second circulation duct (70).
  • the upper cover 112 may further include a fastening part 112c fastened or fixed to the center cover 116 and the lower cover 114. The fastening part 112c may extend long downward from the second circulation duct-connection part 112b to be described below.
  • the exhaust chamber 126 is disposed in front of the first chamber 120.
  • the first chamber 120 and the exhaust chamber 126 may communicate with each other through the first outlet 120b.
  • the exhaust chamber 126 may be formed in the direction in which the first outlet 120b is formed in the first chamber 120.
  • the second chamber 122 is formed by combining the central cover 116 and the lower cover 114.
  • the lower cover 114 includes a fan motor fixing part 114b for fixing the fan motor 134 spaced apart from the chamber compartment plate 114a at a predetermined interval.
  • the fan motor fixing part 114b is disposed around the second inlet 122a and protrudes downward from the lower surface of the chamber partitioning plate 114a.
  • the fan motor fixing part 114b may have a hook shape protruding downward of the chamber partition plate 114a.
  • the fan motor fixing part 114b may be fastened to the fastening member 136 of the fan motor 134 to be described below to fix the fan motor 134.
  • a plurality of fan motor fixing parts 114b according to the present embodiment may be formed along the circumference of the second inlet 122a.
  • the plurality of fan motor fixing parts 114b may be spaced apart from each other along the circumference of the second inlet 122a.
  • the fan assembly 100 connects the first circulation duct-connecting portion 112a that connects the first chamber 120 and the first circulation duct 60 to the first chamber 120 and the second circulation duct 70.
  • the second circulation duct connecting portion 112b and the second chamber 122 may further include a heat exchange duct connecting portion 118 connecting the heat exchange duct 80.
  • the first circulation duct connecting portion 112a and the second circulation duct connecting portion 112b may be integrally formed with the upper cover 112.
  • the first circulation duct-connector 112a, the second circulation duct-connector 112b, and the heat exchange duct-connector 118 according to the present exemplary embodiment may be disposed in the front-rear direction at one lower side of the tub.
  • the heat exchange duct-connecting portion 118 extends in the left direction of the lower cover 114 and the center cover 116 forming the circumference of the second chamber 122, and extends upward to be connected to the heat exchange duct 80.
  • the heat exchange duct connection 118 according to the present embodiment is disposed behind the first circulation duct connection 112a and the second circulation duct connection 112b.
  • the second circulation duct connecting portion 112b extends in the forward direction of the upper cover 112 and the center cover 116 forming the circumference of the first chamber 120 and extends upward in the left direction to form the second circulation duct. Connected with 70.
  • the second circulation duct connecting portion 112b is connected to the first chamber 120 through the exhaust chamber 126.
  • the second circulation duct-connecting portion 112b connects the exhaust chamber 126 and the second circulation duct 70.
  • the first circulation duct-connecting portion 112a forms a space communicating with the inlet to the upper side of the first chamber 120 and extends to be disposed between the second circulation duct-connecting portion 112b and the heat exchange duct-connecting portion 118. .
  • the second circulation duct connecting portion 112b, the first circulation duct connecting portion 112a, and the heat exchange duct connecting portion 118 may be sequentially disposed from the front side under the tub 14.
  • the first fan 130 and the second fan 132 rotate about a rotation shaft formed up and down.
  • the rotating shaft for rotating the first fan 130 and the rotating shaft for rotating the second fan 132 may be formed on the same line.
  • the first fan 130 and the second fan 132 may use a centrifugal fan that introduces air from one surface parallel to the rotating shaft and discharges the air in a circumferential direction perpendicular to the rotating shaft.
  • the first fan 130 circulates the air in the tub 14 to the outside of the tub 14.
  • the second fan 132 heat-exchanges the air introduced from the outside of the cabinet 12 with the air circulated to the outside of the tub 14 to discharge the outside of the cabinet 12.
  • the fan assembly 100 connects the first rotation shaft 137 connecting the first fan 130 and the second fan 132 to the second fan 132 and the fan motor 134. It may include a second rotary shaft 138. The first rotary shaft 137 and the second rotary shaft 138 may be formed as one. The first rotation shaft 137 may connect the first fan 130 and the second fan 132 through the central cover 116.
  • the fan motor 134 is disposed in the third chamber 124.
  • the fan motor 134 according to the present embodiment simultaneously rotates the first fan 130 and the second fan 132.
  • the fan motor 134 is spaced apart from the second inlet 122a by a predetermined interval downward.
  • the fan motor 134 includes a fastening member 136 fastened with the fan motor fixing part 114b to fix the position of the fan motor 134.
  • the fastening member 136 according to the present exemplary embodiment protrudes radially outward along an upper circumferential surface of the fan motor 134.
  • a plurality of fastening members 136 according to the present embodiment may be formed.
  • the plurality of fastening members 136 are installed at positions corresponding to the plurality of fan motor fixing parts 114b.

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  • Washing And Drying Of Tableware (AREA)
  • Massaging Devices (AREA)
  • Electron Tubes For Measurement (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

La présente invention concerne un lave-vaisselle. Le lave-vaisselle selon la présente invention comprend : un caisson formant un extérieur; une cuve disposée à l'intérieur du caisson et formant une chambre de lavage dans laquelle la vaisselle est lavée; un premier conduit de circulation à travers lequel s'écoule l'air évacué de la chambre de lavage; un second conduit de circulation pour envoyer l'air s'écoulant à travers le premier conduit de circulation vers la chambre de lavage; un conduit d'entrée d'air externe à travers lequel l'air introduit depuis l'extérieur du caisson s'écoule; un conduit d'échange de chaleur pour échanger l'air s'écoulant à travers le conduit d'entrée d'air externe avec l'air s'écoulant à travers le premier conduit de circulation et évacuer l'air s'écoulant à travers le conduit d'entrée d'air externe vers l'extérieur; un ensemble de ventilateurs disposé au-dessous de la cuve pour former un écoulement d'air, l'ensemble de ventilateurs comprenant : un premier ventilateur qui tourne autour d'un arbre rotatif qui est formé verticalement, et forme soit le flux d'air du premier conduit de circulation au second conduit de circulation, soit le flux d'air du conduit d'entrée d'air externe au conduit d'échange de chaleur; un second ventilateur qui est disposé au-dessous du premier ventilateur, tourne autour d'un arbre rotatif qui est formé verticalement, et forme l'autre flux d'air du premier conduit de circulation au second conduit de circulation, ou le flux d'air du conduit d'entrée d'air externe au conduit d'échange de chaleur; un boîtier de ventilateur formant une première chambre qui forme un espace dans lequel est disposé le premier ventilateur et une seconde chambre qui forme un espace dans lequel est disposé le second ventilateur; et un moteur de ventilateur disposé au-dessous du second ventilateur pour faire tourner le premier ventilateur et le second ventilateur.
PCT/KR2019/010281 2018-08-13 2019-08-13 Lave-vaisselle WO2020036405A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19849901.4A EP3838103B1 (fr) 2018-08-13 2019-08-13 Lave-vaisselle
CN201980053276.7A CN112566535A (zh) 2018-08-13 2019-08-13 洗碗机
US17/268,265 US20210298560A1 (en) 2018-08-13 2019-08-13 Dishwasher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0094142 2018-08-13
KR1020180094142A KR102598649B1 (ko) 2018-08-13 2018-08-13 식기세척기

Publications (1)

Publication Number Publication Date
WO2020036405A1 true WO2020036405A1 (fr) 2020-02-20

Family

ID=69525675

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/010281 WO2020036405A1 (fr) 2018-08-13 2019-08-13 Lave-vaisselle

Country Status (5)

Country Link
US (1) US20210298560A1 (fr)
EP (1) EP3838103B1 (fr)
KR (1) KR102598649B1 (fr)
CN (1) CN112566535A (fr)
WO (1) WO2020036405A1 (fr)

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KR20200018835A (ko) 2020-02-21
US20210298560A1 (en) 2021-09-30
CN112566535A (zh) 2021-03-26

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