EP2862494B1 - Appareil ménager véhiculant de l'eau - Google Patents

Appareil ménager véhiculant de l'eau Download PDF

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Publication number
EP2862494B1
EP2862494B1 EP14185619.5A EP14185619A EP2862494B1 EP 2862494 B1 EP2862494 B1 EP 2862494B1 EP 14185619 A EP14185619 A EP 14185619A EP 2862494 B1 EP2862494 B1 EP 2862494B1
Authority
EP
European Patent Office
Prior art keywords
pump
household appliance
water treatment
impeller
appliance according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14185619.5A
Other languages
German (de)
English (en)
Other versions
EP2862494A1 (fr
Inventor
Tobias Albert
Uwe Kögel
Stefanie Roth
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Priority to PL14185619T priority Critical patent/PL2862494T3/pl
Publication of EP2862494A1 publication Critical patent/EP2862494A1/fr
Application granted granted Critical
Publication of EP2862494B1 publication Critical patent/EP2862494B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers

Definitions

  • the invention relates to a water-conducting household appliance with a water treatment room and with a water guide, in particular a washing machine or dishwasher.
  • an impeller pump for such a water-conducting household appliance is known. It is connected by means of pipe connection or hose connection as a water supply to a water treatment room or interior of the household appliance and pumps there water. It can either dispose of the pumped water in a drain or heat it by a built-in heater and lead back into the water treatment room.
  • the US 3,117,523 A shows a water-conducting household appliance with a water treatment room and at the end of which downwardly arranged pump.
  • This pump is very flat. It pumps the water from the pump chamber laterally into a pipeline, for example, for further use in the household appliance.
  • the DE 112006002944 T5 shows a washing machine as another water-conducting household appliance with a water treatment room and at the end of which downwardly arranged pump.
  • the pump has a pump chamber with an impeller therein, wherein the impeller is driven by a drive motor arranged underneath.
  • the pump chamber is flat and has a lateral outlet.
  • the invention has for its object to provide a water-conducting household appliance mentioned above, with the problems of the prior art can be avoided and it is in particular possible to make a water-bearing household appliance practical, small or space as possible and integrated.
  • the household appliance has a water supply from and / or to the water treatment room. This is just known from a dishwasher or washing machine. Furthermore, the household appliance has an impeller pump or pump in the water supply. This impeller pump has a pump chamber, an impeller or an impeller with a rotation axis in the pump chamber and a drive motor for the impeller.
  • the axis of rotation of the impeller pump extends substantially vertically or perpendicular to a base surface of the household appliance.
  • vertical is to be understood in the following an angle of 80 ° 100 °, preferably 85 ° to 95 °.
  • the impeller pump can be provided very close to the water treatment room or with only a small distance.
  • an inlet which is, for example, tube-like, opens into the pump chamber directly on an underside or on an outlet from the water treatment space.
  • the impeller pump is located directly below the water treatment room. This reduces the space required and allows for greater integration or a larger trained water treatment room.
  • the inlet to the pump chamber may surround the axis of rotation or the axis of rotation of the impeller advantageously passes through the inlet, particularly advantageously centrally through the inlet.
  • Such an inlet may be tubular, in particular circular, and have a small length, here for example from 0.5 cm to 5 cm. The smaller this length or the distance to the bottom of the water treatment room, the closer the impeller pump may be provided on the water treatment room or on its underside or near the swamp to reduce the overall height.
  • an upper edge of the pump chamber for example, a maximum of 3 cm to 15 cm below the water treatment room before the bottom or the drain or before the maximum cross section of the water treatment room. Again, this should be a measure of how close the impeller pump is located on the water treatment room. It can also be provided that means are provided on the top of the impeller pump or around the aforementioned inlet for attaching and sealing this attachment to the water treatment room. Thus, it is possible that the pump even directly abuts with an upper side or the upper side of the pump chamber on an underside of the water treatment chamber or on an underside of a sump of the water treatment chamber. A distance may alternatively be 1 cm or less.
  • the impeller pump can, for example, have a tubular inlet projecting upwards over the upper side of the pump chamber, as described above. He can just have the aforementioned length. This inlet can then be plugged directly into a corresponding opening on the underside of the water treatment room, advantageously sealed by special sealing means, in particular elastic sealing means. This allows, as it were, an insertion of the impeller pump with its inlet from below into a corresponding outlet opening or drain opening of the water treatment room.
  • an outlet is provided on the impeller pump, through which the water is conveyed out of the pump chamber.
  • This outlet may advantageously extend in a direction substantially perpendicular to the axis of rotation. Since this direction is then substantially parallel to the bottom of the water treatment room, the height of the functional unit water treatment room and impeller pump is further reduced.
  • An outlet from the pump chamber is provided according to the invention in the lower region of the pump or in the lower region of the pump chamber. It can be arranged, for example, at the axial height of the drive motor. Preferably, the outlet is at the axial height of the lower third of the drive motor. Particularly preferably, the outlet is located in the lowermost region of the pump or forms the lowermost region or the lowest part of the pump.
  • the water treatment room form a separate unit or consist of such a unit.
  • the same can apply to the pump. If the impeller pump is connected directly and without intermediate parts to the water treatment room or its outlet or a lower depression of the sump, it is advantageous to provide only the abovementioned sealing means which, however, negatively affect neither the size nor the overall height.
  • the water treatment room has a drain at its lowest point or at a lower depression.
  • this lowermost point can lie relatively centrally to a total cross section of the water treatment space.
  • it may be displaced to one side to allow more convenient positioning of the impeller pump at the bottom of the drain in the home appliance.
  • a depression may be provided, with a height of a few cm, for example 0.5 cm to 3 cm. This is enough to collect water and for easy and complete removal.
  • a top portion of the impeller at the level of the bottom or the drain of the water treatment room or on the underside of a sump or a lower recess of the water treatment room is arranged. He can also reach just below, for example, to reach a maximum of 2 cm to this bottom.
  • a heating element or a heating device is provided on or in the pump chamber, as it is known from DE 102011003464 A1 is known.
  • the heating device or the heating element lies approximately at the axial height of the impeller, in particular at the axial height of an outlet from the impeller.
  • the flow rate is greatest and thus the heat loss for the fastest possible heating of pumped through water.
  • the drive motor can be integrated into the pump or in the pump chamber, according to the invention, it is surrounded at the same axial height of the pump chamber. It may advantageously be a so-called wet runner, he can be lapped in particular of water.
  • the structure of the impeller pump can be such that the drive motor is approximately at the axial height of an outlet from the pump chamber.
  • the pump housing and thus the entire pump must not be unnecessarily large or high for a low overall height. Rather, it can be built in width, so that its width or a diameter of the pump chamber is greater than the height of the pump or the pump chamber. This can be 10% to 100% larger, possibly even more.
  • Fig. 1 schematically is a dishwasher 11 as a household appliance according to the invention shown with a housing 12 and a washing compartment 14 as a water treatment room therein, which is formed in principle as usual and known.
  • a conventional flushing arm 16 is indicated, of course, even more flushing arms can be provided therein, especially in the lower area.
  • the washing compartment 14 has a bottom 17, which merges into a large recess 18 in the middle, which is funnel-shaped and forms a sump 19 with a previously described sequence.
  • the recess 18 may also be partially covered, for example by grids, filters or the like.
  • the walls of the washing compartment 14 and the bottom 17 are usually made of metal or stainless steel.
  • the recess 18 in turn may be made of plastic, alternatively also of metal.
  • an impeller pump or pump 22 wherein between the pump 22 and its top and the bottom of the recess 18, a gap 21 is.
  • This gap 21 can be a few millimeters be, for example, 0.5 cm.
  • a connection of the pump 22 to the recess 18 advantageously has an in Fig. 3 illustrated seal 36. This is in particular provided between the underside of the recess 18 and an inlet 24. An attachment between the two parts recess 18 and pump 22 may advantageously be done in other ways.
  • the pump 22 has a pump housing 23 with inlet 24 and outlet 25 of an in Fig. 3 Due to the gap 21, the inlet 24 can be seen in the side view, it is advantageously a short pipe socket.
  • Fig. 1 emanates from the outlet 25 a dashed water passage 38, which ultimately leads to the spray arm 16.
  • the water guide 38 may be formed as known from the prior art, ie valves, branches and processes and even more.
  • the pump chamber 26 as the largest region of the outer circumferential wall has an annular circulating heating element 27, which is shown here only very simplified, but for example from the above-mentioned prior art in the form of DE 102011003464 A1 is known.
  • the heating element 27 may be made of metal and have a surface heating by distributed distributed heating means, in particular by externally applied in sheets thick film heating resistors.
  • the top of the pump chamber 26 and a lower portion of the pump housing 23 are advantageously formed of plastic.
  • an impeller 28 rotates, which is why the pump 22 is just an impeller pump.
  • the impeller 28 has a curved upper cover plate 29a and a substantially flat lower cover plate 29b. It can be seen that the impeller 28 extends with its uppermost region, namely the upper end of the upper cover plate 29a, up to the level of the underside of the recess 28, in which case the cover plate 29a already has a tubular shape extending upwards.
  • the impeller 28 has a dashed axis of rotation 30 and sits on a rotary shaft 31. This in turn is fixedly connected to a rotor 33 and this sits on her.
  • the rotor 33 belongs as well as an externally mounted stator 34 to a drive motor 32 for the pump 22. From the Fig. 1 to 3 It can be seen that the axis of rotation 30 of the impeller 28 is substantially perpendicular or at right angles to a standing surface of the dishwasher 11.
  • the exact design of the pump 22 may be as shown here, it need not.
  • the configuration of the pump chamber 26 with the wide upper portion and the narrow, annular lower portion may also be different.
  • the drive motor 32 does not have to be pulled so far into the pump 22 or the pump chamber 26.
  • the drive motor 32 is designed here as a wet rotor, but may also be designed as a dry runner, as is known in the aforementioned prior art.
  • FIGS. 5 and 6 A modification of the invention is in the FIGS. 5 and 6 according to the Fig. 2 and 3 shown.
  • a recess 118 is again formed in a similar funnel-shaped or tapered manner and forms a sump 119 as the lowermost part of a washing compartment, not shown here Fig. 1 ,
  • the recess 118 could directly to the dishwasher 11 of Fig. 1 be mounted instead of the recess 18 shown there.
  • a pump 122 is mounted, but this time directly and without the gap. This is especially good from the Fig. 6 to see.
  • the pump 122 is similar to FIG Fig. 3 formed as an impeller pump and has a pump housing 123 with inlet 124 and outlet 125.
  • the inlet 124 is here substantially formed by an opening above the impeller 128.
  • a tubular embodiment according to Fig. 3 is not provided here, but also not necessary due to the direct attachment of the pump 122 to the bottom of the recess 118th
  • the impeller 128 has an upper cover plate 129a and a lower cover plate 129b.
  • the uppermost region of the impeller 128 or the upper cover disk 129a is in turn approximately at the level of the bottom of the recess 118.
  • the impeller 128 is arranged with a rotation axis 130 shown in dashed lines on a rotary shaft 131 together with the drive motor 132.
  • the drive motor 132 has a rotor 33 and a stator 34.
  • the axis of rotation 130 in turn extends recognizably perpendicular or at right angles to a base of the device in which the arrangement is to be installed.
  • a seal 136 is according to Fig. 6 provided outside between the recess 118 and its bottom or its bottom and the pump housing 123 and the upper edge of the pump housing or heating element 127. For temperature reasons, a silicone seal is advantageously provided here.

Landscapes

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

Claims (13)

  1. Appareil ménager véhiculant de l'eau avec une chambre de traitement à l'eau et avec un guidage de l'eau vers et/ou depuis la chambre de traitement à l'eau (14), en particulier lave-vaisselle (11) ou lave-linge, dans lequel l'appareil ménager présente une pompe centrifuge (22, 122) dans le guidage de l'eau et dans lequel la pompe centrifuge présente une chambre de pompe (26, 126), un rotor (28, 128) avec un axe de rotation (30, 130) dans la chambre de pompe ainsi qu'un moteur d'entraînement (32, 132) pour le rotor, dans lequel l'axe de rotation s'étend verticalement ou perpendiculairement à une surface de pose de l'appareil ménager (11), dans lequel il est prévu dans la chambre de pompe (26, 126) une entrée (24, 124) qui débouche directement sur un côté inférieur (17) ou à une évacuation (18, 118) hors de la chambre de traitement à l'eau (14),
    caractérisé en ce que
    - il est prévu une sortie (25, 125) hors de la chambre de pompe (26, 126) dans la région inférieure de la pompe (22, 122),
    - le moteur d'entraînement (32, 132) se trouve sur la hauteur axiale de la chambre de pompe et est entouré par la chambre de pompe.
  2. Appareil ménager selon la revendication 1, caractérisé en ce que l'entrée (24, 124) entoure l'axe de rotation (30, 130), dans lequel l'axe de rotation est de préférence disposé au centre dans l'entrée.
  3. Appareil ménager selon la revendication 2, caractérisé en ce que l'entrée (24, 124) est réalisée en forme de tube et présente une longueur de 0,5 cm à 5 cm.
  4. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un bord supérieur de la chambre de pompe (26, 126) est situé au maximum 3 cm à 15 cm en dessous de la chambre de traitement à l'eau (14) avant le côté inférieur (17) ou l'évacuation (18, 118) ou avant la section transversale maximale de la chambre de traitement à l'eau.
  5. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la pompe centrifuge (22, 122) s'applique directement par un côté supérieur de la chambre de pompe (26, 126) sur un côté inférieur (17) de la chambre de traitement à l'eau (14) ou sur le côté inférieur d'un talon (19, 119) de la chambre de traitement à l'eau ou est disposée à une distance de moins de 1 cm.
  6. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une sortie (25, 125) hors de la chambre de pompe (26, 126) s'étend dans une direction essentiellement perpendiculaire à l'axe de rotation (30, 130).
  7. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la sortie (25, 125) est prévue comme la région la plus basse ou la partie la plus basse de la pompe (22, 122).
  8. Appareil ménager selon une revendication 1 ou 7, caractérisé en ce que la sortie (25, 125) est disposée à une hauteur axiale du moteur d'entraînement (32, 132), en particulier à la hauteur axiale du tiers inférieur du moteur d'entraînement.
  9. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la chambre de traitement à l'eau (14) se compose d'une unité de construction et la pompe centrifuge (22, 122) se compose également d'une unité de construction, dans lequel la pompe centrifuge est raccordée directement et sans pièces intermédiaires à la chambre de traitement à l'eau (14) ou à l'évacuation (18, 118), de préférence uniquement avec des moyens d'étanchéité élastiques.
  10. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu une évacuation (18, 118) hors de la chambre de traitement à l'eau (14) à son point le plus bas, de préférence à l'intérieur d'un creux d'une hauteur de 0,5 cm à 3 cm.
  11. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une région la plus haute du rotor (28, 128) est disposée à la hauteur du côté inférieur (17) de la chambre de traitement à l'eau (14) ou sur le côté inférieur d'un talon (19, 119) de la chambre de traitement à l'eau (14) ou juste en dessous, de préférence au maximum à 2 cm.
  12. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un élément chauffant (27, 127) dans ou sur la chambre de pompe (26, 126), en particulier sur un côté extérieur de la chambre de pompe (26, 126) et environ à la hauteur axiale du rotor (28, 128).
  13. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que le moteur d'entraînement (32, 132) est balayé par l'eau dans la chambre de pompe (26, 126).
EP14185619.5A 2013-10-14 2014-09-19 Appareil ménager véhiculant de l'eau Active EP2862494B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14185619T PL2862494T3 (pl) 2013-10-14 2014-09-19 Prowadzący wodę sprzęt gospodarstwa domowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310220689 DE102013220689A1 (de) 2013-10-14 2013-10-14 Wasserführendes Haushaltsgerät

Publications (2)

Publication Number Publication Date
EP2862494A1 EP2862494A1 (fr) 2015-04-22
EP2862494B1 true EP2862494B1 (fr) 2019-08-21

Family

ID=51564594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14185619.5A Active EP2862494B1 (fr) 2013-10-14 2014-09-19 Appareil ménager véhiculant de l'eau

Country Status (5)

Country Link
EP (1) EP2862494B1 (fr)
CN (1) CN104545742A (fr)
DE (1) DE102013220689A1 (fr)
ES (1) ES2753882T3 (fr)
PL (1) PL2862494T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019205919B4 (de) 2019-04-25 2022-12-15 E.G.O. Elektro-Gerätebau GmbH Wasserführendes Haushaltsgerät und Verfahren zu seinem Betrieb
DE102019206203A1 (de) 2019-04-30 2020-11-05 E.G.O. Elektro-Gerätebau GmbH Wasserführendes Haushaltsgerät
CN114069104B (zh) * 2020-08-07 2024-07-02 广东汉宇汽车配件有限公司 一种动力电池热管理系统用电加热装置
DE102021205247A1 (de) * 2021-05-21 2022-11-24 E.G.O. Elektro-Gerätebau GmbH Pumpe für ein wasserführendes Haushaltsgerät und wasserführendes Haushaltsgerät mit einer solchen Pumpe

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GB900599A (en) * 1959-02-09 1962-07-11 Gen Motors Corp Improvements in dishwashers
US3301188A (en) * 1964-06-18 1967-01-31 Sta Rite Products Inc Pump
US3294102A (en) * 1964-12-09 1966-12-27 Whirlpool Co Dishwashing apparatus having improved pump means
US3906967A (en) * 1974-05-08 1975-09-23 Maytag Co Dishwasher
JP2686369B2 (ja) * 1990-06-04 1997-12-08 アスモ株式会社 車両用ウォッシャ装置
US5701388A (en) * 1994-12-22 1997-12-23 Kohler Co. Combined heater and pump
JP3286540B2 (ja) * 1996-10-31 2002-05-27 三洋電機株式会社 ポンプ装置
KR100556779B1 (ko) * 2003-12-05 2006-03-10 엘지전자 주식회사 식기세척기
US20070251555A1 (en) * 2004-09-16 2007-11-01 Lg Electronics, Inc. Dishwasher
US7810362B2 (en) * 2005-11-04 2010-10-12 Fisher & Paykel Appliances Ltd. Recirculation control in a washing machine
DE102007017271A1 (de) * 2007-04-12 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Pumpe mit Heizeinrichtung
CN101680150B (zh) * 2007-04-17 2011-06-22 阿塞里克股份有限公司 洗涤机/干燥机
KR101507803B1 (ko) * 2008-08-21 2015-04-03 엘지전자 주식회사 식기 세척기
KR20100067571A (ko) * 2008-12-11 2010-06-21 삼성전자주식회사 식기세척기
DE102011003464A1 (de) 2011-02-01 2012-04-26 E.G.O. Elektro-Gerätebau GmbH Heizeinrichtung für eine Pumpe und Pumpe

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102013220689A1 (de) 2015-04-16
EP2862494A1 (fr) 2015-04-22
PL2862494T3 (pl) 2020-03-31
CN104545742A (zh) 2015-04-29
ES2753882T3 (es) 2020-04-14

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