EP1510168A2 - Sprüharmvorrichtung für eine Geschirrspülmaschine - Google Patents

Sprüharmvorrichtung für eine Geschirrspülmaschine Download PDF

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Publication number
EP1510168A2
EP1510168A2 EP04445085A EP04445085A EP1510168A2 EP 1510168 A2 EP1510168 A2 EP 1510168A2 EP 04445085 A EP04445085 A EP 04445085A EP 04445085 A EP04445085 A EP 04445085A EP 1510168 A2 EP1510168 A2 EP 1510168A2
Authority
EP
European Patent Office
Prior art keywords
arm
spray
support arm
liquid
dishwasher
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.)
Granted
Application number
EP04445085A
Other languages
English (en)
French (fr)
Other versions
EP1510168B1 (de
EP1510168A9 (de
EP1510168A3 (de
Inventor
Anders Haegermarck
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
Electrolux AB
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, Electrolux AB filed Critical Electrolux Home Products Corp NV
Priority to EP10178371.0A priority Critical patent/EP2294962B1/de
Priority to PL10178371T priority patent/PL2294962T3/pl
Priority to PL04445085T priority patent/PL1510168T3/pl
Publication of EP1510168A2 publication Critical patent/EP1510168A2/de
Publication of EP1510168A3 publication Critical patent/EP1510168A3/de
Publication of EP1510168A9 publication Critical patent/EP1510168A9/de
Application granted granted Critical
Publication of EP1510168B1 publication Critical patent/EP1510168B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays

Definitions

  • This invention relates to a wash arm arrangement for a dishwasher comprising a treatment chamber having one or several freely rotating support arms that are provided with one or several freely rotating spray arms through which liquid is distributed to the dish in the treatment chamber
  • Conventional dishwashers of the household type are usually provided with an upper and a lower rotating wash arm provided with several spray nozzles distributing the cleaning liquid to the dish which is placed in the treatment chamber. At least one of the nozzles is arranged such that a reaction force is created causing the wash arm to rotate.
  • These spray systems have the disadvantage that the each spray of the rotating nozzle hits the same circle every revolution.
  • the purpose of this invention is, contrary to traditional wash arm systems, to use a dishwasher spraying system that is distributing the liquid in a non uniform way by driving the support arm in incremental steps. This means that a more effective and faster washing can be achieved resulting in less water and energy consumption. It also means a simple and cheap wash arm arrangement using a freely rotating support arm that is provided with a freely rotating spray arm for driving the support arm. The arrangement is such that all the liquid used in the washing procedure is arranged to flow through the spray nozzle and there is consequently no loss of flow in order to drive the support arm separately.
  • FIG. 1 shows a perspective view of a dishwasher according to the invention
  • Fig. 2 is a schematic plan view of the wash arm arrangement according to the invention
  • Fig. 3 is a section on the line III-III in Fig 2
  • Fig 4 shows the driving forces of the spray arm and the support arm.
  • Fig. 1 shows a dishwasher 10 having a treatments chamber 11 in which dish is inserted on a lower and an upper basket 12 and 13.
  • the treatment chamber is provided with a door 14 and has a wash arm arrangement 15 placed below the lower basket 12 as well as below the upper basket 13.
  • the dishwasher is in a conventional manner provided with a circulation pump that distributes a cleaning liquid from a collecting container at the bottom of the treatment chamber to the wash arm arrangement from which it is sprayed towards the dish which is placed on the baskets.
  • the wash arm arrangement 15 comprises a support arm 16 that is rotating freely on a feeding duct 17 to which the cleaning liquid is supplied by said circulation pump.
  • the support arm has a closed structure with the exception of an inlet opening 18 placed at the feeding duct 17 and an outlet sleeve 19 at the outer end of the support arm.
  • the outlet sleeve 19 supports a spray arm 20 that rotates freely on the sleeve.
  • the spray arm is provided with several nozzles 21 that direct the flow mainly vertically towards the dish.
  • the spray arm is further provided with an additional nozzle 22 at one of its ends through which a cleaning liquid jet is directed obliquely upwards or sideways.
  • the arrangement operates in the following way. Cleaning liquid is distributed from the feeding duct 17 via the opening 18 into the support arm 16 and further through the outlet sleeve 19 and the nozzles 21 via the spray arm 20. Simultaneously liquid is flowing out through the nozzle 22 mainly perpendicular to the length direction of the spray arm 20 causing a horizontal driving force F on the spray arm. This force F creates a momentum about the sleeve 19 such that the spray arm 20 starts to rotate. The rotation of the spray arm 20 generates a friction momentum C at the sleeve 19 that forces the support arm 16 to rotate.
  • the force F is transmitted to the support arm 16 through the sleeve 19 by its component F1 parallel to the support arm 16 and F2 perpendicular to it.
  • Component F2 creates a momentum around the feeding duct 17 which is added up to the friction momentum C at the sleeve 19 and contributes to the rotation of the support arm 16.
  • the support arm 16 rotates with periodical angular velocity originated by a constant component C (friction given by satellite rotation) added up to a periodical one given by the component F2 of the force F.
  • the support arm 16 is rotated in incremental steps. Due to that the increment steps are not fixed the position of the sprays will vary continuously thereby minimizing the risk for areas not being washed.
  • the system creates a heavy flow directed at the items above the wash arm and this flow transports the dirt away in an efficient manner.

Landscapes

  • Washing And Drying Of Tableware (AREA)
EP04445085A 2003-08-29 2004-08-24 Sprüharmvorrichtung für eine Geschirrspülmaschine Expired - Lifetime EP1510168B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10178371.0A EP2294962B1 (de) 2003-08-29 2004-08-24 Sprüharmvorrichtung für eine Geschirrspülmaschine
PL10178371T PL2294962T3 (pl) 2003-08-29 2004-08-24 Układ ramienia zmywającego do zmywarki
PL04445085T PL1510168T3 (pl) 2003-08-29 2004-08-24 Zestaw ramienia myjącego dla zmywarki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0302325A SE0302325D0 (sv) 2003-08-29 2003-08-29 Device for a dishwasher
SE0302325 2003-08-29

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP10178371.0A Division EP2294962B1 (de) 2003-08-29 2004-08-24 Sprüharmvorrichtung für eine Geschirrspülmaschine
EP10178371.0 Division-Into 2010-09-22

Publications (4)

Publication Number Publication Date
EP1510168A2 true EP1510168A2 (de) 2005-03-02
EP1510168A3 EP1510168A3 (de) 2006-05-10
EP1510168A9 EP1510168A9 (de) 2010-12-08
EP1510168B1 EP1510168B1 (de) 2011-08-24

Family

ID=28673219

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10178371.0A Expired - Lifetime EP2294962B1 (de) 2003-08-29 2004-08-24 Sprüharmvorrichtung für eine Geschirrspülmaschine
EP04445085A Expired - Lifetime EP1510168B1 (de) 2003-08-29 2004-08-24 Sprüharmvorrichtung für eine Geschirrspülmaschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10178371.0A Expired - Lifetime EP2294962B1 (de) 2003-08-29 2004-08-24 Sprüharmvorrichtung für eine Geschirrspülmaschine

Country Status (4)

Country Link
EP (2) EP2294962B1 (de)
AT (1) ATE521271T1 (de)
PL (2) PL2294962T3 (de)
SE (1) SE0302325D0 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1634526A2 (de) * 2004-09-10 2006-03-15 Electrolux Home Products Corporation N.V. Geschirrspülmaschine mit einer Sprühvorrichtung
EP2215952A1 (de) 2009-02-09 2010-08-11 Electrolux Home Products Corporation N.V. Sprüharmanordnung für Geschirrspüler
EP2279687A1 (de) 2009-07-28 2011-02-02 Electrolux Home Products Corporation N.V. Sprüharmanordnung für Geschirrspüler
EP2389851A1 (de) * 2010-05-25 2011-11-30 Electrolux Home Products Corporation N.V. Wascharmanordnung für eine Geschirrspülmaschine
US10058226B2 (en) 2014-03-24 2018-08-28 Electrolux Appliances Aktiebolag Dishwasher comprising at least one dishwasher spray arm
CN109965816A (zh) * 2017-12-28 2019-07-05 宁波方太厨具有限公司 一种清洗机
RU2709936C1 (ru) * 2016-07-08 2019-12-23 Электролюкс Апплайнсиз Актиеболаг Разбрызгиватель в сборе
US10667668B2 (en) 2013-06-27 2020-06-02 Whirlpool Corporation Dishwasher with rotationally mounted sprayer
CN113693533A (zh) * 2021-08-30 2021-11-26 珠海格力电器股份有限公司 洗碗机及其清洗控制方法及喷臂清洗方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101764293B1 (ko) * 2012-09-07 2017-08-03 삼성전자주식회사 식기 세척기용 노즐 어셈블리 및 이를 이용한 식기 세척기
DE102015225331A1 (de) * 2015-12-15 2017-06-22 Haier Deutschland GmbH Geschirrspülmaschine, Sprühvorrichtung für eine Geschirrspülmaschine und Verfahren zum Betrieb einer Geschirrspülmaschine
KR20190026734A (ko) * 2016-07-08 2019-03-13 일렉트로룩스 어플라이언스 아크티에볼레그 세척 아암 조립체 및 세척 아암 조립체를 포함하는 식기 세척기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1965345A1 (de) 1968-12-31 1970-07-16 Bodson Claude Spruehkopf fuer Geschirrspuelmaschinen
DE4416655A1 (de) 1994-05-11 1995-11-16 Heinz Gutoehrlein Sprüharm für Spülmaschinen
US5477874A (en) 1993-08-13 1995-12-26 Matsushita Electric Industrial Co., Ltd. Dishwasher
EP0727176A2 (de) 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung
EP0727177A2 (de) 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH519902A (fr) * 1970-01-29 1972-03-15 Frame Sa Rotor d'aspersion d'une machine à laver la vaissele et la verrerie industrielle
US3771725A (en) * 1972-05-12 1973-11-13 Gen Electric Washing appliance having an improved spray arm assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1965345A1 (de) 1968-12-31 1970-07-16 Bodson Claude Spruehkopf fuer Geschirrspuelmaschinen
US5477874A (en) 1993-08-13 1995-12-26 Matsushita Electric Industrial Co., Ltd. Dishwasher
DE4416655A1 (de) 1994-05-11 1995-11-16 Heinz Gutoehrlein Sprüharm für Spülmaschinen
EP0727176A2 (de) 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung
EP0727177A2 (de) 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2545838A1 (de) * 2004-09-10 2013-01-16 Electrolux Home Products Corporation N.V. Geschirrspülmaschine mit einer Sprühvorrichtung
EP1634526A3 (de) * 2004-09-10 2009-10-21 Electrolux Home Products Corporation N.V. Geschirrspülmaschine mit einer Sprühvorrichtung
EP1634526A2 (de) * 2004-09-10 2006-03-15 Electrolux Home Products Corporation N.V. Geschirrspülmaschine mit einer Sprühvorrichtung
EP2215952A1 (de) 2009-02-09 2010-08-11 Electrolux Home Products Corporation N.V. Sprüharmanordnung für Geschirrspüler
WO2010089149A2 (en) 2009-02-09 2010-08-12 Electrolux Home Products Corporation N.V. Spray arm assembly for a dishwasher
WO2010089149A3 (en) * 2009-02-09 2010-12-16 Electrolux Home Products Corporation N.V. Spray arm assembly for a dishwasher
US9314144B2 (en) 2009-02-09 2016-04-19 Electrolux Home Products Corporation N.V. Spray arm assembly for a dishwasher
CN102307508B (zh) * 2009-02-09 2013-09-25 伊莱克斯家用产品股份有限公司 用于洗碗机的喷射臂组件
AU2010211237B2 (en) * 2009-02-09 2013-09-19 Electrolux Home Products Corporation N.V. Spray arm assembly for a dishwasher
CN102307508A (zh) * 2009-02-09 2012-01-04 伊莱克斯家用产品股份有限公司 用于洗碗机的喷射臂组件
WO2011012234A1 (en) 2009-07-28 2011-02-03 Electrolux Home Products Corporation N.V. Spray arm arrangement for a dishwasher
AU2010278322B2 (en) * 2009-07-28 2015-12-03 Electrolux Home Products Corporation N.V. Spray arm arrangement for a dishwasher
EP2279687A1 (de) 2009-07-28 2011-02-02 Electrolux Home Products Corporation N.V. Sprüharmanordnung für Geschirrspüler
US9456730B2 (en) 2009-07-28 2016-10-04 Electrolux Home Products Corporation N.V. Spray arm arrangement for a dishwasher
CN102905602A (zh) * 2010-05-25 2013-01-30 伊莱克斯家用产品公司 洗碗机中的清洗臂设备
WO2011147716A1 (en) * 2010-05-25 2011-12-01 Electrolux Home Products Corporation N.V. Wash arm arrangement for a dishwasher
EP2389851A1 (de) * 2010-05-25 2011-11-30 Electrolux Home Products Corporation N.V. Wascharmanordnung für eine Geschirrspülmaschine
US8985126B2 (en) 2010-05-25 2015-03-24 Electrolux Home Products Corporation N.V. Wash arm arrangement for a dishwasher
CN102905602B (zh) * 2010-05-25 2016-01-13 伊莱克斯家用产品公司 洗碗机中的清洗臂设备
US10820780B2 (en) 2013-06-27 2020-11-03 Whirlpool Corporation Dishwasher
US10667668B2 (en) 2013-06-27 2020-06-02 Whirlpool Corporation Dishwasher with rotationally mounted sprayer
US11019981B2 (en) 2013-06-27 2021-06-01 Whirlpool Corporation Dishwasher with rotationally mounted sprayer
US10058226B2 (en) 2014-03-24 2018-08-28 Electrolux Appliances Aktiebolag Dishwasher comprising at least one dishwasher spray arm
RU2709936C1 (ru) * 2016-07-08 2019-12-23 Электролюкс Апплайнсиз Актиеболаг Разбрызгиватель в сборе
CN109965816A (zh) * 2017-12-28 2019-07-05 宁波方太厨具有限公司 一种清洗机
CN109965816B (zh) * 2017-12-28 2024-01-16 宁波方太厨具有限公司 一种清洗机
CN113693533A (zh) * 2021-08-30 2021-11-26 珠海格力电器股份有限公司 洗碗机及其清洗控制方法及喷臂清洗方法

Also Published As

Publication number Publication date
EP1510168B1 (de) 2011-08-24
EP1510168A9 (de) 2010-12-08
SE0302325D0 (sv) 2003-08-29
PL1510168T3 (pl) 2012-01-31
EP2294962A1 (de) 2011-03-16
PL2294962T3 (pl) 2016-06-30
ATE521271T1 (de) 2011-09-15
EP2294962B1 (de) 2016-01-13
EP1510168A3 (de) 2006-05-10

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