US20120097198A1 - Dishwasher, especially domestic dishwasher - Google Patents

Dishwasher, especially domestic dishwasher Download PDF

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Publication number
US20120097198A1
US20120097198A1 US13/380,434 US201013380434A US2012097198A1 US 20120097198 A1 US20120097198 A1 US 20120097198A1 US 201013380434 A US201013380434 A US 201013380434A US 2012097198 A1 US2012097198 A1 US 2012097198A1
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US
United States
Prior art keywords
crockery basket
water
dishwasher
bellow
water supply
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.)
Abandoned
Application number
US13/380,434
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English (en)
Inventor
Wolfgang Schmidt
Peter Bacher
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Assigned to ELECTROLUX HOME PRODUCTS CORPORATION N.V. reassignment ELECTROLUX HOME PRODUCTS CORPORATION N.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHMIDT, WOLFGANG, BACHER, PETER
Publication of US20120097198A1 publication Critical patent/US20120097198A1/en
Abandoned legal-status Critical Current

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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
    • A47L15/50—Racks ; Baskets
    • A47L15/508—Hydraulic connections for racks
    • 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
    • A47L15/50—Racks ; Baskets
    • A47L15/504—Arrangements for changing the height of racks

Definitions

  • the invention relates to a dishwasher, preferably to a domestic dishwasher, having a crockery basket, preferably which is movable in a translational direction into a washing cavity of the dishwasher, wherein the crockery basket has a, especially rotating, washing arm which is supplied with water by a water transferring pipe, wherein the water transferring pipe is connected with the crockery basket, wherein coupling means are provided to couple the water transferring pipe to a water supply pipe which is connected with the housing of the dishwasher, wherein the coupling means allow a hydraulic coupling of the water transferring pipe to the water supply pipe.
  • a dishwasher of this kind is disclosed e. g. in DE 41 37 227 C2 and in DE 197 05 548 B4.
  • a crockery basket is arranged in the dishwasher which can be pulled out of the washing cavity for loading the basket with dishes; then the basket is pushed back into the washing cavity for carrying out the washing process.
  • the crockery basket has a rotating washing arm at its bottom side which is supplied with water by a water transferring pipe that is fixed to the bottom of the crockery basket. When the basket is shifted into its inserted position, the open end of the water transferring pipe is coupled to a water supply pipe that opens at a fixed height position in the back wall of the washing cavity.
  • a dishwasher which overcomes the mentioned disadvantages. Consequently, a cant-free movement of the crockery basket should be ensured so that no water drops can fall down during the translational movement of the basket. Also, no high forces due to the water pressure should occur, so that no specific measures are to be taken to avoid that the door of the dishwasher opens unintentionally. Furthermore, the pulling out of the crockery basket should be of such a kind that a smooth movement takes place when exerting a force in translational direction onto the crockery basket. Also an adjustment of the height of the crockery basket should be possible over a wide range of different height positions inside the washing cavity, and with a simple and cheap design of the dishwasher.
  • the solution of this object according to the invention is characterized in that the bellow is connected to the water supply pipe and comprises an open axial end that is adapted for releasable sealing contact with the water transferring pipe, wherein the bellow has a sealing surface at its open axial end which cooperates with at least one sealing surface of an adapter element which is provided at the corresponding end of the water transferring pipe, wherein the adapter element has at least two sealing surfaces for different height positions of the crockery basket.
  • the adapter element can be readily coupled to a water supply tube that is arranged at a fixed height, i. e. at an invariably height position within the washing cavity, when the crockery basket is adjusted in its height position.
  • a fixed height i. e. at an invariably height position within the washing cavity
  • a wide range of different height positions inside the washing cavity is effectively provided that avoids exerting any undue force onto the frontal door of the washing cavity in the opening direction thereof.
  • no force that could lead to any detrimental jerky movement of the crockery basket is required to overcome any friction between the coupling means and the water supply pipe when pulling the crockery basket out of the washing cavity.
  • the crockery basket is adjustable in its height relatively to the washing cavity of the dishwasher, wherein the coupling means allow hydraulic coupling of the water transferring pipe to the water supply pipe in at least two different height positions of the crockery basket.
  • the adapter element comprises at least two flow paths that are arranged between the at least two sealing surfaces and the water transferring pipe.
  • valve means are arranged in each flow path for closing the flow paths, in particular wherein the valve means can comprise biased flaps.
  • the crockery basket can be moved in a translational direction (T) into and out of a washing cavity of the dishwasher.
  • the washing cavity comprises A vertical back wall and two vertical side walls as well as a top wall and a bottom wall, in particular a water-collecting bottom with a sump, wherein the washing cavity is has a frontal access opening that is closed by a frontal door that is hinged around an axis that is located about the lower edge of the door.
  • the crockery basket can moved in an essentially horizontal plane through into and out of a washing cavity through the frontal access opening thereof.
  • the height-adjustable crockery basket can be moved in at least two different horizontal planes with respect to the vertical axis of the washing cavity.
  • the bellow is made of a suitable elastic material and has preferably an essentially cylindrical shape for hydraulically coupling of the water supply pipe to the water transferring pipe and that is stowable in its axial direction, wherein the axis of the bellow is directed in the translational direction of the crockery basket.
  • the at least one sealing surface of the adapter element is preferably flat.
  • the adapter element preferably has an elongated shape at its axial end directed to the bellows, preferably a vertically elongated shape, and narrows to its axial end where the water transferring pipe is arranged.
  • a centering device can be arranged within the bellow, that is adapted for centering the water supply pipe relatively to the water transferring pipe in at least two different height positions of the crockery basket.
  • the centering device is connected to the water supply pipe directly or indirectly, wherein the adapter element has at least two cooperating resting surfaces for the centering device that are arranged in corresponding height positions.
  • the support element has preferably a conical shape in its axial end region.
  • the adapter element preferably has two cooperating resting surfaces for the centering device.
  • the water supply pipe and the adapter element can have cooperating force-uptaking means.
  • the force-uptaking means can comprise a pin extending in the translational direction of the crockery basket that is connected to the adapter element or to the water supply pipe and a corresponding holding element that comprises at least one, preferably at least two, reception bores for receiving said pin that is connected respectively to the water supply pipe or to the adapter element.
  • the reception bores are preferably arranged at height positions that correspond to height positions of the height-adjustable crockery basket and thus allow stabilization of the interaction of the centering device with the cooperating resting surfaces of the adaptor element.
  • valve means are arranged adjacent to the sealing surfaces.
  • a valve means comprises a flap, preferably a flap biased versus its closed position.
  • the flap can be biased by a spring element.
  • the valve means is opened by the centering device when the crockery basket is fully inserted into the washing cavity.
  • the invention allows to pull out the crockery basket without any cant-effect. Also, the operation is easy for the user of the dishwasher. And it is ensured that remaining water drops on the basket do not fall down.
  • the pins and the corresponding holding element support the basket when it is fully loaded; so, not the complete weight must be carried by the centering device.
  • FIG. 1 shows a perspective view of coupling means for coupling of a water transferring pipe with a water supply pipe, wherein two parts of the coupling means are not yet in contact,
  • FIG. 2 shows a sectional view through the coupling means according to FIG. 1 ,
  • FIG. 3 shows a side view of the coupling means being in contact, wherein a crockery basket (not shown) is in a lower position
  • FIG. 4 shows a sectional view through the coupling means according to FIG. 3 .
  • FIG. 5 shows a side view of the coupling means being in contact, wherein a crockery basket (not shown) is in an upper position
  • FIG. 6 shows a sectional view through the coupling means according to FIG. 5 .
  • coupling means 2 which can hydraulically couple a water supply pipe 3 with a water transferring pipe 1 (shown with dotted lines in FIG. 1 ).
  • the pipes 1 , 3 and the coupling means 2 are part of a domestic dishwasher.
  • the ascending water supply pipe 3 is preferably firmly connected with a housing (not shown) of the dishwasher.
  • the water supply tube 3 can be arranged in a back wall of the washing cavity (not shown) of the dishwasher.
  • the supply tube can be arranged behind the back wall or can be an integral part of it. Its opening can be arranged at a fixed, i. e. an invariable, height position within the back wall of the washing cavity.
  • the supply tube opens into the washing cavity.
  • the water transferring pipe 1 is connected to a crockery basket (not shown) and supplies a rotating washing arm (not shown) with water which is arranged at the bottom side of the crockery basket.
  • the crockery basket can be pulled out of the washing cavity of the dishwasher and can be pushed into the same, i. e. it is movable in a translational direction T relative to the housing of the dishwasher and the washing cavity respectively.
  • the translational direction T is essentially horizontal and the washing cavity is closable by a front door (not shown).
  • the ascending water supply pipe 3 bears a bellow 4 which has an essentially cylindrical shape.
  • the axis of the bellow 4 is directed into the translational direction T.
  • the bellow 4 At its open axial end 5 the bellow 4 has a sealing surface 6 .
  • an adapter 8 is mounted at the corresponding axial end of the water transferring pipe 1 .
  • the adapter 8 has a face side directed to the bellow 4 , where two sealing surfaces 7 ′ and 7 ′′ (for two different heights of the basket) are arranged.
  • the sealing surface 6 of the bellow 4 and the sealing surfaces 7 ′ or respectively 7 ′′ of the adapter 8 cooperate to establish a hydraulic coupling between the pipes 1 , 3 .
  • the bellow 4 is elastic (stowable) in the translational direction. It consists of rubber material or the like.
  • a mechanical guidance and also some support is established by a centering device 9 which is preferably firmly connected with the water supply pipe 3 , as can best be seen in FIG. 2 .
  • the centering device 9 also bears the bellow 4 in the depicted embodiment of the invention.
  • the centering device 9 has a conical shape in its axial end which is directed to the adapter element 8 .
  • the adapter element 8 is equipped with resting surfaces 10 ′ and 10 ′′ to establish a guiding and resting area for the centering device 9 .
  • the centering device 9 is resting at one of the resting surfaces 10 ′ or respectively 10 ′′, depending of the height position at which the crockery basket is arranged.
  • force-uptaking means 11 , 12 are arranged at the coupling means 2 to ensure a defined relative position between the two pipes.
  • the force-uptaking means 11 , 12 comprise a pin 11 which is arranged at the adapter element 8 .
  • the water supply pipe 3 is equipped with a holding element 12 .
  • the holding element 12 has two reception bores 12 ′ and 12 ′′ for two different heights of the crockery basket. As can be seen in FIG. 4 for a lower position and in FIG. 6 for an upper position of the basket the pin 11 is engaged in a respective reception bore 12 ′ or 12 ′′.
  • the force-uptaking means ensure that the bellow 4 hits exactly to the respective sealing surface 7 ′ or 7 ′′ of the adapter element 8 and takes all forces which could be caused by the loading of the basket and thus in a undefined height position.
  • the adapter element 8 comprises at least two flow paths 12 ′ and 13 ′ (see FIG. 2 ) in order to allow to couple the adapter element 8 to the water supply pipe 3 in at least two different heights.
  • valve elements 14 are arranged in the adapter element 8 .
  • the valve elements 14 are flaps which are biased by a spring element (not shown).
  • the centering device 9 with its conical-shaped end opens the flap 14 when the crockery basket is pushed into its fully inserted position inside the washing cavity of the dishwasher. So, the flow of the water is clearly defined by the respective opened flap 14 .
  • the dishwasher of the invention it becomes easily possible to supply water from the base of the dishwasher to the (upper) crockery basket without neither canting of the basket when pulling out the basket of the washing cavity nor applying an undue pressure to the front door by a large bellow, wherein different height positions of the basket are possible.

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  • Washing And Drying Of Tableware (AREA)
US13/380,434 2009-06-23 2010-06-22 Dishwasher, especially domestic dishwasher Abandoned US20120097198A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09008187 2009-06-23
EP09008187.8 2009-06-23
PCT/EP2010/003759 WO2010149343A1 (en) 2009-06-23 2010-06-22 Dishwasher, especially domestic dishwasher

Publications (1)

Publication Number Publication Date
US20120097198A1 true US20120097198A1 (en) 2012-04-26

Family

ID=41258709

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/380,434 Abandoned US20120097198A1 (en) 2009-06-23 2010-06-22 Dishwasher, especially domestic dishwasher

Country Status (9)

Country Link
US (1) US20120097198A1 (pl)
EP (1) EP2445385B1 (pl)
KR (1) KR101739155B1 (pl)
CN (1) CN102458214B (pl)
AU (1) AU2010265067B2 (pl)
CA (1) CA2766321C (pl)
PL (1) PL2445385T3 (pl)
RU (1) RU2520044C2 (pl)
WO (1) WO2010149343A1 (pl)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140373883A1 (en) * 2013-06-24 2014-12-25 Wolf Appliance, Inc. Connector for a dishwasher middle spray arm
KR20170010566A (ko) * 2015-07-20 2017-02-01 엘지전자 주식회사 식기세척기
KR20170010565A (ko) * 2015-07-20 2017-02-01 엘지전자 주식회사 식기세척기
KR20170081936A (ko) * 2016-01-05 2017-07-13 엘지전자 주식회사 식기세척기
US10264946B2 (en) * 2015-07-20 2019-04-23 Lg Electronics Inc. Dishwasher
EP4066723A1 (en) * 2021-04-01 2022-10-05 Whirlpool Corporation Water feed tube for dishwasher with integrated retainer

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203447254U (zh) * 2013-07-10 2014-02-26 美的集团股份有限公司 喷臂水路连接结构和洗碗机
CN106031623A (zh) * 2015-03-12 2016-10-19 青岛海尔洗碗机有限公司 搁架以及设置有该搁架的洗碗机
CN105662303B (zh) * 2016-02-18 2018-06-08 佛山市顺德区美的洗涤电器制造有限公司 洗碗机配水器组件及洗碗机
CN110269561B (zh) * 2018-03-16 2022-06-21 青岛海尔洗碗机有限公司 一种洗碗机的喷淋结构
CN110269566B (zh) * 2018-03-16 2022-07-22 青岛海尔洗碗机有限公司 一种洗碗机的喷淋结构
CN110269563B (zh) * 2018-03-16 2022-06-21 青岛海尔洗碗机有限公司 一种洗碗机的喷淋结构和具有该结构的洗碗机
KR20220023468A (ko) * 2020-08-21 2022-03-02 삼성전자주식회사 신발 관리기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120199A (en) * 1962-01-15 1964-02-04 Hallmark Cards Display rack
WO1983001892A1 (en) * 1981-11-24 1983-06-09 Berglund, Bo-Anders, Ragnar A connecting device
EP0872208B1 (en) * 1997-03-18 2000-05-17 SMEG S.p.A. Hydraulic connection device for a dishwasher rack which can be positioned at two different heights
US20030192578A1 (en) * 2002-04-02 2003-10-16 Distinctive Appliances, Inc. Water spray system for a dishwasher
WO2008029222A2 (en) * 2006-09-07 2008-03-13 Indesit Company S.P.A. Household washing machine, in particular a dishwasher, comprising an improved upper hydraulic circuit

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SE444884B (sv) * 1980-03-11 1986-05-20 Electrolux Ab Hushallsdiskmaskin
DE4137227C2 (de) * 1991-11-13 1999-12-16 Aeg Hausgeraete Gmbh Haushalt-Geschirrspülmaschine mit höhenverstellbarem Oberkorb
IT1282096B1 (it) * 1996-01-29 1998-03-12 Smeg Spa Dispositivo di collegamento idraulico per cestello di lavastoviglie posizionabile a due altezze diverse
DE19611054A1 (de) * 1996-03-20 1997-09-25 Bosch Siemens Hausgeraete Geschirrspülmaschine
DE19705548B4 (de) 1997-02-14 2005-04-14 Miele & Cie. Kg Geschirrspülmaschine mit einem höhenverstellbaren Geschirrkorb mit eigenem Sprüharm und einer Spülwasser-Zuleitung
US6431188B1 (en) * 2000-04-03 2002-08-13 Whirlpool Corporation Dishwasher spray arm feed system
KR100786069B1 (ko) * 2001-11-30 2007-12-17 엘지전자 주식회사 식기세척기의 세척수 분사장치
US7475696B2 (en) * 2003-06-17 2009-01-13 Whirlpool Corporation Dishwasher having valved third-level sprayer
DE102006061159B3 (de) * 2006-12-22 2008-07-03 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120199A (en) * 1962-01-15 1964-02-04 Hallmark Cards Display rack
WO1983001892A1 (en) * 1981-11-24 1983-06-09 Berglund, Bo-Anders, Ragnar A connecting device
EP0872208B1 (en) * 1997-03-18 2000-05-17 SMEG S.p.A. Hydraulic connection device for a dishwasher rack which can be positioned at two different heights
US20030192578A1 (en) * 2002-04-02 2003-10-16 Distinctive Appliances, Inc. Water spray system for a dishwasher
WO2008029222A2 (en) * 2006-09-07 2008-03-13 Indesit Company S.P.A. Household washing machine, in particular a dishwasher, comprising an improved upper hydraulic circuit

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140373883A1 (en) * 2013-06-24 2014-12-25 Wolf Appliance, Inc. Connector for a dishwasher middle spray arm
US9480389B2 (en) * 2013-06-24 2016-11-01 Wolf Appliance, Inc. Connector for a dishwasher middle spray arm
KR20170010566A (ko) * 2015-07-20 2017-02-01 엘지전자 주식회사 식기세척기
KR20170010565A (ko) * 2015-07-20 2017-02-01 엘지전자 주식회사 식기세척기
US10264946B2 (en) * 2015-07-20 2019-04-23 Lg Electronics Inc. Dishwasher
KR102366457B1 (ko) * 2015-07-20 2022-02-23 엘지전자 주식회사 식기세척기
KR102366456B1 (ko) * 2015-07-20 2022-02-23 엘지전자 주식회사 식기세척기
KR20170081936A (ko) * 2016-01-05 2017-07-13 엘지전자 주식회사 식기세척기
KR102418141B1 (ko) * 2016-01-05 2022-07-07 엘지전자 주식회사 식기세척기
EP4066723A1 (en) * 2021-04-01 2022-10-05 Whirlpool Corporation Water feed tube for dishwasher with integrated retainer
US12016509B2 (en) 2021-04-01 2024-06-25 Whirlpool Corporation Water feed tube for dishwasher with integrated retainer

Also Published As

Publication number Publication date
AU2010265067B2 (en) 2016-06-16
CN102458214A (zh) 2012-05-16
KR20120044346A (ko) 2012-05-07
CA2766321C (en) 2017-09-05
PL2445385T3 (pl) 2013-12-31
EP2445385A1 (en) 2012-05-02
EP2445385B1 (en) 2013-03-27
KR101739155B1 (ko) 2017-05-23
CA2766321A1 (en) 2010-12-29
AU2010265067A1 (en) 2012-02-02
WO2010149343A1 (en) 2010-12-29
CN102458214B (zh) 2014-09-10
RU2520044C2 (ru) 2014-06-20
RU2012102037A (ru) 2013-07-27

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Date Code Title Description
AS Assignment

Owner name: ELECTROLUX HOME PRODUCTS CORPORATION N.V., BELGIUM

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHMIDT, WOLFGANG;BACHER, PETER;SIGNING DATES FROM 20120126 TO 20120224;REEL/FRAME:028039/0925

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION