EP2424420B1 - Lave-vaisselle et pompe de circulation à dispositif d'aiguillage de l'eau - Google Patents

Lave-vaisselle et pompe de circulation à dispositif d'aiguillage de l'eau Download PDF

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Publication number
EP2424420B1
EP2424420B1 EP10714280.4A EP10714280A EP2424420B1 EP 2424420 B1 EP2424420 B1 EP 2424420B1 EP 10714280 A EP10714280 A EP 10714280A EP 2424420 B1 EP2424420 B1 EP 2424420B1
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EP
European Patent Office
Prior art keywords
circulation pump
water switch
opening
output
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.)
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Application number
EP10714280.4A
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German (de)
English (en)
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EP2424420A1 (fr
Inventor
Helmut Jerg
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.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL10714280T priority Critical patent/PL2424420T3/pl
Publication of EP2424420A1 publication Critical patent/EP2424420A1/fr
Application granted granted Critical
Publication of EP2424420B1 publication Critical patent/EP2424420B1/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
    • A47L15/4214—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

Definitions

  • the invention relates to a dishwasher, in particular a domestic dishwasher.
  • the invention also relates to a circulating pump with a water diverter for a dishwasher, in particular for a domestic dishwasher.
  • the DE 101 33 129 A1 discloses a dishwasher with a circulation pump having an intake manifold, an impeller and at least two separate discharge nozzles on the pump housing for acting on the spray arms of the dishwasher with rinsing liquid.
  • the dishwasher further comprises a pump pressure side arranged in the water flow of the dishwasher and integrated into the circulation water diverter, by means of which the rinsing liquid is the spray arms selectively fed.
  • the water switch consists in this case of a cylindrical wall, which serves to receive a rotatable relative to the wall body of revolution. Since both the wall and the rotary body have various openings which are aligned in certain positions of the rotating body, the feed of the pipes connected to the water separator can be controlled by the choice of the angle of rotation.
  • the object of the invention is to provide an improved circulation pump with a water switch.
  • a circulating pump with a water diverter for a dishwasher comprising a pump housing with a first outlet, in which the water diverter is arranged.
  • a further aspect of the invention relates to a dishwasher, in particular a domestic dishwasher, comprising a rinsing container, a first spraying device arranged inside the rinsing container, a second spraying device arranged inside the rinsing container, a circulating pump for conveying rinsing liquid to the spraying devices and a water diverter which is set up,
  • the circulation pump and the Water switch is designed as a circulation pump according to the invention with water switch.
  • Dishwashers especially household dishwashers have a circulation pump, which is provided to promote rinsing liquid, which is commonly referred to as rinsing liquor, to the spray devices.
  • the circulation pump has an outlet in its pump housing, through which the rinsing liquid is conveyed out of the circulation pump. It may also be provided that the rinsing liquid is to be conveyed alternately to the spraying devices, for which reason dishwashing machines optionally have a water diverter, e.g. is arranged to guide the rinsing liquid alternately to the spray devices. According to the water diverter is arranged in the outlet of the circulation pump, whereby the combination of circulation pump and water diverter can be performed relatively space-saving.
  • the water switch is formed as an insert, which is in the first output. Then needs to be inserted as an insert waterway only to be plugged into the first output for mounting.
  • the first outlet is designed as a first outlet nozzle.
  • the first output can be arranged advantageously a pump cover of the pump housing. Then the pump cover with mounted water switch can be conveniently connected to the rest of the housing.
  • the water switch may preferably have a wall closing off the first outlet with a first opening and having a second opening and a closing means mounted in particular on the wall of the water distributor, which is arranged to open the first opening in a first position and to close the second opening and in a second position to close the first opening and the first opening to open.
  • the first opening communicates, for example, with one of the spraying devices, in particular via their relevant supply line section
  • the second opening communicates, for example, with another spraying device, in particular via its relevant supply line section.
  • the closing means which is designed, for example, as a turntable, is provided.
  • the closure means may preferably be arranged on the side of the wall of the water diverter facing away from the interior of the circulating pump and / or have a play in the direction perpendicular to the wall of the water diverter.
  • the closing means is pressed against the supply line section to be closed, in order to prevent a delivery of washing-up liquid to the relevant spraying device.
  • the water diverter may advantageously comprise an actuator which is arranged to move the closing center back and forth between the first position and the second position.
  • the actuator can preferably be arranged outside on the pump housing and move the closing means by means of a plunger coupled to the closing means.
  • a plunger coupled to the closing means.
  • the actuator can be designed, for example, as an electric coil arranged on the pump housing.
  • the pump housing has a second outlet which communicates with the second opening.
  • the second output is connected, for example, to the supply line of one of the spray devices. This can be e.g. relatively easily realized, if the second output is formed as a second output nozzle, since then the relevant supply line, for example. only needs to be plugged onto the second outlet nozzle.
  • the second output may preferably be arranged in the wall of the first output formed as a first outlet nozzle. This allows a relatively compact design of the circulation pump according to the invention.
  • the water switch has, according to an expedient embodiment of the circulation pump according to the invention a tubular connection which is connected to the second output and communicates with the second opening.
  • the tubular connection can preferably be integrally formed or einstoffig on the wall of the water switch be.
  • the tubular connection allows in a relatively simple manner a promotion of rinsing liquid from the second opening to the second outlet of the circulation pump.
  • the second opening facing the end of the tubular connection ends spaced from the wall of the water switch. Then it is possible that the closing means has a game in a direction perpendicular to the wall of the water switch, the closing means should be arranged on the side facing away from the interior of the pump housing side of the wall of the water switch.
  • the closing means may also comprise the game if, according to an expedient embodiment of the dishwasher according to the invention, the supply line section assigned to the first spraying device ends at a distance from the first opening of the water separator. Since the first outlet is designed as the first outlet nozzle, the feed line section assigned to the first spray device can project into the first outlet nozzle of the circulation pump.
  • the circulating pump according to the invention can be used advantageously in particular if there is not enough space between a conventional circulating pump and a pump, e.g. formed as a lower spray arm spray device is present. Due to the circulation pump according to the invention, the water switch is advantageously laid in the pump housing or optionally integrated in the pump cover.
  • the output range of the circulation pump according to the invention is increased in diameter compared to a conventional circulation pump.
  • the connection piece for the upper spray arm is located in this area.
  • the trained as insert water diverter which includes, for example, the connection to the nozzle, as well as the storage of the turntable (in general: closing means), inserted in the enlarged area.
  • the turntable which in particular has vertical play, for example, snapped.
  • an actuator / coil is optionally attached, which moves a plunger, in which a driver of the turntable is guided.
  • the function of the water circulation circulation pump according to the invention can be designed in particular as follows:
  • the turntable closes the access to the upper spray arm.
  • the turntable has vertical play and is pressed by the pump pressure to the respective access and closes it.
  • the actuator is actuated, the turntable moves, exposing access to the upper spray arm and closing access to the lower spray arm.
  • switching off the turntable is rotated to its original position.
  • FIGS. 1 and 3 each provided with the same reference numerals.
  • the Fig. 1 shows a household dishwasher 1 in a schematic representation.
  • the household dishwasher 1 comprises a washing container 2 for receiving items to be washed, eg soiled dishes and cutlery, which is classified, for example, in dishes and baskets not shown in detail.
  • the washing container 2 are at least two spray devices for applying the washware with a liquid arranged, which are formed in the case of the present embodiment as the lower and upper spray arms 3, 4.
  • the liquid which is usually referred to as rinsing liquor, is heated in the case of the present embodiment, at least in a partial program step of a washing program of the household dishwasher 1 by a continuous flow heater not shown.
  • the rinse program runs on a control device, not shown in detail, e.g. a suitable electronics comprising a microcontroller or a microprocessor.
  • the domestic dishwasher 1 has a below the flushing floor or the washing tub 9 of the washing compartment 2 arranged circulation pump 10, of which the Figures 2 and 3 Show partial views.
  • the circulation pump 10 is driven for example by means of an electric drive, not shown in detail, in particular by means of its electric motor, for example via a shaft, not shown, and is set up via a first liquid supply line 6 to the lower spray arm 3 and a second liquid supply line 7 to the upper spray arm 4, the liquid to promote from the interior of the washing compartment 2. This is illustrated by arrows 8.
  • the electric drive is connected to the control device.
  • the circulation pump 10 in the Figures 2 and 3 partially shown pump housing 11 with a pump cover 12.
  • the pump housing 11 has an inlet connection, not shown, through which the liquid can pass into the interior of the circulating pump 10.
  • the circulation pump 10 further has a first output port 13 formed as the first output and a second output port 14 designed as the second output.
  • the two outlet ports 13, 14 are in the case of the present embodiment, the pump cover 12 in particular integrally formed or einstoffig.
  • the second outlet port 14 is formed on the wall 13a of the first outlet nozzle 13.
  • the second outlet port 14 is connected to the second fluid supply line 7, so that the funded by the circulation pump 10 fluid via the second outlet port 14 and the second fluid supply line 7 can reach the upper spray arm 4.
  • the second fluid supply line 7 is, for example, slipped over the second outlet port 14.
  • the domestic dishwasher 1 further has a water switch 15, which is designed in the case of the present embodiment as an insert and is inserted in the first outlet port 13.
  • a water switch 15 By means of the water switch 15, the spray arms 3, 4 in particular in each case alternately be charged with the liquid.
  • the FIGS. 2a . 3a show side views of the inserted in the circulation pump 10 water switch 15 in sectional representations and the FIGS. 2b . 3b show operating states of the water switch 15.
  • the water switch 15 has a particular circular bottom 16 whose diameter corresponds substantially to the inner diameter of the first outlet nozzle 13. As a result, the bottom 16 closes the first outlet port 13.
  • the bottom 16 has a first opening 17 and a second opening 18.
  • the water diverter 15 has a curved tube 19, the first end 20 of which rests against the inside of the first outlet nozzle 13 in such a way that it aligns with the second outlet nozzle 14.
  • the curved tube 19 is connected, for example laterally in particular in one piece or one-piece with the bottom 16.
  • the second end 21 of the curved tube 19 terminates spaced from the bottom 16 above the second opening 18 in alignment so that the liquid delivered by the recirculation pump 10 passes through the second opening 18 of the bottom 16 of the water gate 15 via the curved tube 19 into the second liquid supply line 7 can be promoted.
  • the first liquid supply line 6 protrudes into the first outlet port 13 and ends above the second opening 17 with this aligned and spaced therefrom.
  • the liquid conveyed by the circulation pump 10 can pass through the first opening 17 of the bottom 16 of the water switch 15 into the first liquid supply line 6 in order to be conveyed to the lower spray arm 3.
  • the water diverter 15 has a turntable 22, for example kidney-shaped, as an example of a closing means, which is rotatably mounted by means of a bearing 23, which is integrally formed on the bottom 16, in particular.
  • the turntable 22 is aligned substantially parallel to the bottom 16 and arranged on the side facing away from the interior of the pump housing 11 side of the bottom 16. It is provided behind the bottom 16 as seen in the flow direction, i. it is arranged on the pressure side or outlet side.
  • the turntable 22 has, for example, a e.g. integral or einstoffig integrally formed driver 24 which projects through a slot, not shown, of the bottom 16 in the interior of the circulation pump 10.
  • the driver 24 cooperates with a guided parallel to the bottom 16 ram 25 having a slot 26 into which the driver 24 protrudes.
  • the pump housing 11 has laterally an opening 27 through which the plunger 25 is guided and which is sealed, for example by means of a sealing ring 28.
  • the control device actuator 29 which is for example formed as a coil, which moves the plunger 25, so that this projects to different degrees into the interior of the pump housing 11. Due to the movement of the plunger 25 of the turntable 22 is between a in the FIG. 2 shown first position (idle state) in which the turntable 22, the second opening 18 of the bottom 16 closes, however, the first opening 17 of the bottom 15 opens, and one in the FIG. 3 shown second position in which the turntable 22, the second opening 18 of the bottom 16 opens and the first opening 17 of the bottom 15 closes, moves.
  • the second opening 21 of the curved tube 19 and the first liquid supply 6 are arranged spaced from the bottom 16 so that the turntable 22 has vertical clearance and thereby in operation of the circulation pump 10 due to the pump pressure against the first liquid supply line 6 and is pressed against the second opening 21 of the curved tube 19 to close depending on the position of the turntable 22, the first liquid supply line 6 or the second opening 21 of the curved tube 19. If the circulation pump 10 is switched off, then the turntable 22 rests on the floor 16.
  • the bottom 16 When mounting the running as insert waterway 15, the bottom 16 is inserted with the curved tube 19 into the first outlet port 13 in the case of the present embodiment. So u.A. the first opening 20 of the tube 19 is aligned with the second outlet port 14, the inwardly directed side of the wall 13a of the first outlet nozzle 13, a guide 30 along which the water gate 15 is guided during insertion. In the inserted state, the bottom 16 rests on a step 31 of the first outlet nozzle 13.
  • the turntable 22 is placed on the bearing 23.
  • the plunger 25 has a position so that the driver 24 of the hub 22 projects into the slot 26 of the plunger 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (12)

  1. Pompe de circulation avec un dispositif d'aiguillage de l'eau pour un lave-vaisselle, en particulier pour un lave-vaisselle ménager (1), présentant un carter de pompe (11) avec une première sortie (13), dans laquelle le dispositif d'aiguillage de l'eau (15) est disposé, caractérisé en ce que la première sortie (13) est exécutée sous la forme d'une première tubulure de sortie (13) et le dispositif d'aiguillage de l'eau (15) sous la forme d'une pièce insérée et le dispositif d'aiguillage de l'eau (15) est inséré dans la première tubulure de sortie (13).
  2. Pompe de circulation selon la revendication 1, caractérisée en ce que la première sortie (13) est disposée dans un couvercle de pompe (12) du carter de pompe (11).
  3. Pompe de circulation selon l'une des revendications 1 ou 2, caractérisée en ce que le dispositif d'aiguillage de l'eau (15) présente une paroi (16) obturant la première sortie (13) avec un premier orifice (17) et avec un deuxième orifice (18) et un moyen d'obturation (22) logé en particulier sur la paroi (16) du dispositif d'aiguillage de l'eau (15), aménagé afin d'ouvrir le premier orifice (17) et d'obturer le deuxième orifice (18) dans une première position et d'obturer le premier orifice (17) et d'ouvrir le premier orifice (18) dans une deuxième position.
  4. Pompe de circulation selon la revendication 3, caractérisée en ce que le moyen d'obturation (22) est disposé sur le côté de la paroi (16) du dispositif d'aiguillage de l'eau (15) situé à l'écart de l'intérieur de la pompe de circulation (10) et/ou présente un jeu dans le sens perpendiculaire à la paroi (16) du dispositif d'aiguillage d'eau (15).
  5. Pompe de circulation selon la revendication 3 ou 4, caractérisée en ce que le dispositif d'aiguillage d'eau (15) présente un actionneur (29) aménagé afin de déplacer le moyen d'obturation entre la première position et la deuxième position et vice versa.
  6. Pompe de circulation selon la revendication 5, caractérisée en ce que l'actionneur (29) est disposé en dehors de la pompe de circulation (10) sur le carter de pompe (11) et déplace le moyen d'obturation (22) à l'aide d'un poussoir (25) couplé au moyen d'obturation (22).
  7. Pompe de circulation selon l'une des revendications 3 à 6, caractérisée en ce que le carter de pompe (11) présente une deuxième sortie (14) en particulier exécutée sous forme de deuxième tubulure de sortie (14), laquelle communique avec le deuxième orifice (17).
  8. Pompe de circulation selon la revendication 7, caractérisée en ce que la deuxième sortie (14) est disposée dans la paroi (13a) de la première sortie (13) exécutée sous forme de première tubulure de sortie (13).
  9. Pompe de circulation selon la revendication 7 ou 8, caractérisée en ce que le dispositif d'aiguillage de l'eau (15) présente une liaison tubulaire (19) en particulier formée en une seule pièce ou en un seul matériau sur la paroi (16) du dispositif d'aiguillage de l'eau (15), laquelle est reliée à la deuxième sortie (14) et communique avec le deuxième orifice (17).
  10. Pompe de circulation selon la revendication 9, caractérisée en ce que l'extrémité de la liaison tubulaire (19) dirigée vers le deuxième orifice (17) prend fin à l'écart de la paroi (16) du dispositif d'aiguillage de l'eau (15).
  11. Lave-vaisselle, en particulier lave-vaisselle ménager, présentant une cuve de lavage (2), un premier dispositif de pulvérisation (3) disposé à l'intérieur de la cuve de lavage (2), un deuxième dispositif de pulvérisation (4) disposé à l'intérieur de la cuve de lavage (2), une pompe de circulation (10) pour le transport de liquide de lavage vers les dispositifs de pulvérisation (3, 4) et un dispositif d'aiguillage de l'eau (15) aménagé afin d'ouvrir et de fermer une section de conduite d'amenée (6, 7) vers les dispositifs de pulvérisation (3, 4), caractérisé en ce que la pompe de circulation (10) et le dispositif d'aiguillage de l'eau (15) sont exécutés sous la forme d'une pompe de circulation (10) avec dispositif d'aiguillage de l'eau (15) selon l'une des revendications 1 à 10.
  12. Lave-vaisselle selon la revendication 11, caractérisé en ce que la section de conduite d'amenée (6) dirigée vers le premier dispositif de pulvérisation (3) prend fin à l'écart du premier orifice (17) du dispositif d'aiguillage de l'eau (15) et/ou en ce que la section de conduite d'amenée (6) dirigée vers le premier dispositif de pulvérisation (3) avance dans la première sortie de la pompe de circulation (10) exécutée sous forme de première tubulure de sortie (13).
EP10714280.4A 2009-04-27 2010-04-20 Lave-vaisselle et pompe de circulation à dispositif d'aiguillage de l'eau Active EP2424420B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10714280T PL2424420T3 (pl) 2009-04-27 2010-04-20 Zmywarka do naczyń i pompa obiegowa z układem rozprowadzania wody

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009002667.3A DE102009002667B4 (de) 2009-04-27 2009-04-27 Geschirrspülmaschine und Umwälzpumpe mit Wasserweiche
PCT/EP2010/055138 WO2010124960A1 (fr) 2009-04-27 2010-04-20 Lave-vaisselle et pompe de circulation à dispositif d'aiguillage de l'eau

Publications (2)

Publication Number Publication Date
EP2424420A1 EP2424420A1 (fr) 2012-03-07
EP2424420B1 true EP2424420B1 (fr) 2017-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10714280.4A Active EP2424420B1 (fr) 2009-04-27 2010-04-20 Lave-vaisselle et pompe de circulation à dispositif d'aiguillage de l'eau

Country Status (4)

Country Link
EP (1) EP2424420B1 (fr)
DE (1) DE102009002667B4 (fr)
PL (1) PL2424420T3 (fr)
WO (1) WO2010124960A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8574373B2 (en) 2011-06-29 2013-11-05 Whirlpool Corporation Method of operating a dishwasher
CN110495838B (zh) * 2018-05-17 2022-11-01 青岛海尔洗碗机有限公司 一种洗碗机分水装置及洗碗机
CN111184491A (zh) * 2020-01-17 2020-05-22 合肥前程塑胶机电有限公司 一种方便清洁的洗碗机用上分水器
KR20220022280A (ko) 2020-08-18 2022-02-25 엘지전자 주식회사 식기세척기 및 그 제어방법

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
EP0383028A3 (fr) * 1989-02-14 1992-05-06 Licentia Patent-Verwaltungs-GmbH Lave-vaisselle comportant un dispositif de renversement électromécanique
DE4418153A1 (de) * 1994-05-25 1995-11-30 Wilo Gmbh Kreiselpumpe
ITPN20000027A1 (it) * 2000-04-27 2001-10-29 Electrolux Zanussi Elettrodome Macchina lavastoviglie con valvola perfezionata di distribuzione del liquido di lavaggio
DE10133129A1 (de) 2001-07-07 2003-01-16 Miele & Cie Umwälzpumpe für eine Geschirrspülmaschine
KR100488033B1 (ko) 2003-07-31 2005-05-06 엘지전자 주식회사 식기 세척기의 세척 유로 제어 장치
KR100617121B1 (ko) * 2004-09-16 2006-08-31 엘지전자 주식회사 식기 세척기의 제어방법
EP1886614A1 (fr) * 2006-08-07 2008-02-13 Bonferraro S.p.A. Lave-vaisselle avec circuit hydraulique
DE102007007670A1 (de) * 2007-02-13 2008-08-14 Miele & Cie. Kg Geschirrspülmaschine mit einer pumpendruckseitig vorgesehenen Wasserweiche
DE102007017274A1 (de) * 2007-04-12 2008-10-30 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Lageerkennung eines Verschlusselements in einer Wasserweiche

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
PL2424420T3 (pl) 2018-01-31
WO2010124960A1 (fr) 2010-11-04
DE102009002667A1 (de) 2010-10-28
DE102009002667B4 (de) 2016-03-24
EP2424420A1 (fr) 2012-03-07

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