EP1047334B1 - Pompe de circulation, en particulier pour un appareil domestique a circulation d'eau - Google Patents

Pompe de circulation, en particulier pour un appareil domestique a circulation d'eau Download PDF

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Publication number
EP1047334B1
EP1047334B1 EP99957271A EP99957271A EP1047334B1 EP 1047334 B1 EP1047334 B1 EP 1047334B1 EP 99957271 A EP99957271 A EP 99957271A EP 99957271 A EP99957271 A EP 99957271A EP 1047334 B1 EP1047334 B1 EP 1047334B1
Authority
EP
European Patent Office
Prior art keywords
pump
heating device
circulating pump
housing
pump housing
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.)
Expired - Lifetime
Application number
EP99957271A
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German (de)
English (en)
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EP1047334A1 (fr
EP1047334B2 (fr
Inventor
Wolfram THÖRMER
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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Filing date
Publication date
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Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1047334A1 publication Critical patent/EP1047334A1/fr
Publication of EP1047334B1 publication Critical patent/EP1047334B1/fr
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Publication of EP1047334B2 publication Critical patent/EP1047334B2/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • 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
    • 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
    • A47L15/4285—Water-heater arrangements
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating arrangements
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps

Definitions

  • the invention relates to a circulating pump, in particular for a water-conducting household appliance, as dishwasher or washing machine, which with a washing and a electric heater is equipped for Spülwasserer stiirmung, with a on the motor housing the pump housing flanged with intake and discharge nozzles for the Circulating liquid circulating and to be heated, where appropriate safety devices, such as thermal switch, pressure switch or the like. For monitoring the fluid to be pumped are provided in the water cycle.
  • heating device for heating the washing liquid of a dishwasher is an electrical resistance heating (tubular heater) the outside of the metal part of the motor housing of the circulating pump, wherein the waterproof Motor housing including the flanged pump housing in the washing compartment of the household appliance is housed and immersed in the rinsing liquid to be heated.
  • the connection lines The electrical heating are together with the lines of the engine from the Pump housing and the washing out liquid-tight.
  • the heater inside the motor housing is arranged.
  • the pump motor is too high heat load to protect.
  • the heater can only indirectly through the metal motor housing To heat circulating rinsing liquid, which is why worked with an increased heating power must become. Also, by the only indirectly transferable to the rinse water heat the efficiency the heating lowered.
  • the summary of heating and pump to one non-separable functional unit makes the complete in case of a heating or pump failure Replacement of motor or pump including heating required.
  • the heater for the Spülckenillonkeitser was used as a heating system, a water heater (see EP 0 591 774 A1).
  • a water heater see EP 0 591 774 A1.
  • the separate arrangement of the heater outside the washing is Although advantageous for the service case, but in such an embodiment, the covering Remove the external wall of the device if the heater is replaced or damaged in the event of damage must be repaired.
  • a circulating pump according to the preamble of claim 1 is known from US 3051182 A known.
  • the invention poses the problem of a combined with a circulation pump heating system to create flushing fluid that works effectively and energy efficient, little installation space claimed and easily accessible for the service case and is easily replaceable.
  • the combination of the heating device with the pump and its arrangement according to the invention in the watercourse of the pump, preferably in the pump housing, allows a fast lossless transfer of heat to the circulating rinsing liquid.
  • the heating system works very effectively and energy-saving.
  • the heater in any service case is also easily accessible and easily replaceable separately from the pump. Due to the formation of the heater on Pump housings are design measures for the pump drive or the electrical Pump motor not necessary.
  • the combination of the heating device with the circulation pump advantageously creates the possibility also the safety devices necessary for the water cycle of the household appliance, such as thermal switches, pressure switches, turbidity sensors or the like.
  • the safety devices necessary for the water cycle of the household appliance such as thermal switches, pressure switches, turbidity sensors or the like.
  • Also on the pump housing preferably by plug or locking connections releasably to arrange. hereby a self-testable unit can be completed.
  • a dishwasher (1) shown in Fig. 1 comprises a washing container (2) with two superimposed arranged crockery baskets (3, 4), wherein in a third flushing level above the upper crockery basket (4) a cutlery drawer (5) is provided.
  • the baskets (3, 4) and the cutlery drawer (5) are known in the washing (2) on rails (6) led. Instead of the cutlery drawer (5) can in one of the baskets (3, 4) and a Cutlery basket to be used separately.
  • Spraying devices (7 to 9) are driven by a common circulating pump (11), which is mounted in the device housing below the washing container (2), supplied with rinsing liquid.
  • the circulation pump (11) pressure port (12, 13) on its pump housing (14), to which the spray arms are connected.
  • the circulating pump (11) is preferably in the embodiment as a centrifugal pump with in the pump housing (14) arranged pump impeller (16) for transport the rinsing liquid formed.
  • other types of pumps can be used.
  • the pump used (11) for the sake of clarity and for illustrative purposes the inventive combination of a rinse water heater (17) with the pump housing (14) the pump housing cover (23), sh. Fig. 3 u. 4, omitted Service.
  • the outside of the washing compartment (2) arranged circulation pump (11) is connected to the electric Heating device (17) combined to form a pre-testable unit, wherein the However, combined building modules (pump 11, heating 17) can be replaced separately or are detachably mounted.
  • the heating device (17) is in the watercourse of the circulation pump (11) on the pump housing (14), preferably within the pump housing (14) between Inlet (15) and discharge nozzle (12, 13) arranged. This arrangement is advantageous for a powerful and effectively working with high efficiency without heat loss Heating device (17). In this case, the heating device (17) operates as one of the rinsing liquid washed tubular heating element (18).
  • the tubular heater (18) of the heater (17) is shown in FIG. 2 circumferentially annular preferably wound in the manner of a wound cylindrical coil and surrounds the pump impeller (16) concentric.
  • Such a wound tubular heater (18) of the heater (17) is advantageous in Pump housing (14) on the pump motor side housing half (24) of the pump housing (14), wherein the electrical connections (22) isolated and liquid-tight the pot-shaped Pass through the housing wall of the pump housing (14).
  • the heating device is expedient (17) at a distance from the walls of the pump housing (14) on the circulation pump (11) mounted.
  • the pump housing (14) in turn is releasably on the motor housing (19) of the circulation pump (11) mounted.
  • FIG. 3 and 4 Another advantageous arrangement is the releasable attachment of the heater (17) in Pump housing (14) on the removable pump housing cover (23) of the circulating pump (11) As shown in FIG. 3 and 4.
  • a tubular heater (18 ') is used, but as a spiral is formed, which in the lid plane around the intake manifold (15) is wound around.
  • the cover (23) is mounted, the spiral then lies in front of the covered pump impeller (16), see above that this can rotate freely.
  • the heater (17) is also in this construction by inserted intermediate webs (25) with distance to the walls of the pump housing (14) and the cover (23) to the pump (11) mounted (see Fig. 4).
  • the in the pump housing (14) arranged heater (17) with the exposed lapped Tubular heater (18, 18 ') forms with the surrounding pump housing (14) a water heater of optimum performance and high efficiency, because all heat is transferred directly to the rinsing liquid in the rinse water circulation.
  • the heating device (17) as Water heater also separately outside the pump housing (14) as one with a connection or Pressure port (12, 13) of the circulating pump (11) connectable coupling piece formed be, which is preferably attachable to the nozzle, wherein the water connection connections for the heating device (17) and / or their electrical line connections (22) also are designed releasably to each other.
  • a part of the pump housing (14) itself as a heater (17) form and this separate housing part with detachable the rest of the pump housing z. B. to connect by screwing liquid-tight.
  • the invention is not based on circulation pumps in dishwashers or centrifugal pumps limited. Likewise, the invention may also be used in pumps in washing machines or in general for electric pumps are used in water circuits, where liquids are fast and to be heated energy-saving. But especially for devices where less Installation space for heating and pump is present and repair work u. U. fast must be carried out, as z. B. in devices in the laboratory or hospital area the case is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cookers (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (14)

  1. Pompe de circulation, notamment pour un appareil ménager utilisant de l'eau, tel qu'un lave-vaisselle ou un lave-linge qui est équipé d'une cuve et d'un dispositif de chauffe électrique pour chauffer l'eau de lavage, comprenant un carter de pompe fixé par bride au carter du moteur de la pompe et doté d'une tubulure d'aspiration et d'une tubulure de refoulement pour le liquide à faire circuler dans le circuit et à chauffer, des dispositifs de sécurité tels qu'un thermorupteur, un interrupteur manométrique ou analogues pour contrôler l'état du liquide à faire circuler dans le circuit d'eau étant éventuellement prévus, caractérisée en ce que le dispositif de chauffe (17) est placé de façon amovible dans le circuit d'eau de la pompe (11), sur le carter de pompe (14).
  2. Pompe de circulation selon la revendication 1, caractérisée en ce que le dispositif de chauffe (17) est disposé à l'intérieur du carter de pompe (14) dans le circuit d'eau entre les tubulures d'aspiration et de refoulement (15 ; 12, 13) de la pompe (11).
  3. Pompe de circulation selon les revendications 1 et 2, caractérisée en ce que le dispositif de chauffe (17) contenu dans le carter de pompe (14) est fixé de façon amovible sur le couvercle (23) amovible du carter de la pompe de circulation (11).
  4. Pompe de circulation selon les revendications 1 et 2, caractérisée en ce que le dispositif de chauffe (17) contenu dans le carter de pompe (14) est monté sur la moitié (24) du carter de pompe (14) qui est située du côté du moteur de la pompe.
  5. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 4, caractérisée en ce que le dispositif de chauffe (17) est réalisé en tant que corps de chauffe tubulaire (18 ; 18') baignant dans le liquide de lavage.
  6. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 5, caractérisée en ce que le corps de chauffe tubulaire (18 ; 18') est enroulé en spirale ou en forme d'anneau, de préférence à la manière d'une bobine cylindrique.
  7. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 6, caractérisée en ce que le corps de chauffe tubulaire (18 ; 18') forme avec le carter de pompe (14) qui l'entoure un chauffe-eau instantané.
  8. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 7, caractérisée en ce que le dispositif de chauffe (17) est réalisé en tant que partie du carter de pompe (14) pouvant être montée séparément.
  9. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 8, caractérisée en ce que le dispositif de chauffe (17) est conçu comme une pièce d'accouplement pouvant être reliée, de préférence par emboítement, aux tubulures de raccordement ou de refoulement (12, 13) de la pompe.
  10. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 9, caractérisée en ce que les raccordements de prise d'eau pour le dispositif de chauffe (17) et/ou les branchements électriques (19) du dispositif de chauffe (17) sont réalisés en tant que liaisons par emboítement à crans ou analogues.
  11. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 10, caractérisée en ce que les dispositifs de sécurité tels que le thermorupteur (20), l'interrupteur manométrique (21), les capteurs de turbidité ou analogues sont montés de façon amovible, de préférence par emboítement, sur le carter de pompe (14), et en ce que la pompe (11), dans le cas d'un lave-linge ou d'un lave-vaisselle, est située en dehors de la cuve (2).
  12. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 11, caractérisée en ce qu'au moins une vanne destinée à fermer, ou à ouvrir à volonté les tubulures de refoulement (12, 13) de la pompe est placée sur le carter de pompe (14), également de façon remplaçable.
  13. Pompe de circulation selon l'une ou plusieurs des revendications 1 à 12, caractérisée en ce que le dispositif de chauffe (17) est monté sur la pompe de circulation (11) à distance (nervures d'écartement 22) des parois du carter de pompe (14).
  14. Pompe de circulation selon la revendication 1 et une ou plusieurs des revendications 5 à 13, caractérisée en ce que le dispositif de chauffe (17) est disposé à l'extérieur, sur le carter de pompe (14).
EP99957271A 1998-11-13 1999-10-30 Pompe de circulation, en particulier pour un appareil domestique a circulation d'eau Expired - Lifetime EP1047334B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19852569 1998-11-13
DE19852569A DE19852569A1 (de) 1998-11-13 1998-11-13 Umwälzpumpe, insbesondere für wasserführnde Haushaltgeräte
PCT/EP1999/008294 WO2000028878A1 (fr) 1998-11-13 1999-10-30 Pompe de circulation, en particulier pour un appareil domestique a circulation d'eau

Publications (3)

Publication Number Publication Date
EP1047334A1 EP1047334A1 (fr) 2000-11-02
EP1047334B1 true EP1047334B1 (fr) 2004-07-07
EP1047334B2 EP1047334B2 (fr) 2007-06-06

Family

ID=7887803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99957271A Expired - Lifetime EP1047334B2 (fr) 1998-11-13 1999-10-30 Pompe de circulation, en particulier pour un appareil domestique a circulation d'eau

Country Status (5)

Country Link
EP (1) EP1047334B2 (fr)
AT (1) ATE270521T1 (fr)
DE (2) DE19852569A1 (fr)
PL (1) PL192963B1 (fr)
WO (1) WO2000028878A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19858137B4 (de) * 1998-12-16 2016-12-15 BSH Hausgeräte GmbH Heizung zum Erwärmen der Spülflüssigkeit in einer Geschirrspülmaschine
DE20018182U1 (de) * 2000-10-25 2001-12-13 Eichenauer Gmbh & Co Kg F Pumpe mit einem beheizbaren Gehäuse
DE10116671B4 (de) * 2001-04-04 2006-04-27 Miele & Cie. Kg Umwälzpumpe mit Heizungseinrichtung
DE10133130A1 (de) * 2001-07-07 2003-01-16 Miele & Cie Umwälzpumpe mit/ohne Heizungseinrichtung
DE10142525B4 (de) * 2001-08-30 2008-08-21 Miele & Cie. Kg Umwälzpumpe mit integrierter Spülwasser-Heizungseinrichtung und einem Temperatur-Sicherheitsschalter
EP1369075B1 (fr) * 2002-06-05 2009-05-27 CANDY S.p.A. Machine à laver la vaisselle
DE10354148A1 (de) * 2003-11-19 2005-06-30 Aweco Appliance Systems Gmbh & Co. Kg Pumpe zur Förderung von Flüssigkeiten mit einer Aufnahme für eine Drucküberwachungsvorrichtung
DE602004007488T2 (de) 2004-05-12 2008-03-20 Askoll Holding S.R.L., Povolaro Di Dueville Flüssigkeitsumwälzpumpe mit einem Synchronmotor, ausgestattet mit einer Einrichtung zum Heizen der Flüssigkeit, insbesondere für Waschmaschinen
ITTO20040592A1 (it) * 2004-09-08 2004-12-08 Plaset Spa Chiocciola per una pompa centrifuga
DE102006028913A1 (de) * 2006-06-21 2007-12-27 Aweco Appliance Systems Gmbh & Co. Kg Pumpe, insbesondere für wasserführende Haushaltsmaschinen
DE102007017271A1 (de) * 2007-04-12 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Pumpe mit Heizeinrichtung
KR101995421B1 (ko) * 2010-12-31 2019-07-02 엘지전자 주식회사 식기세척기
DE102012203715A1 (de) * 2012-03-08 2013-09-12 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit zumindest einer motorgetriebenen Pumpe und einer Heizeinrichtung
PL2878250T3 (pl) 2013-11-29 2020-09-07 Electrolux Appliances Aktiebolag Sposób obsługiwania cyrkulującego wodę urządzenia gospodarstwa domowego
CN109854538B (zh) 2014-08-07 2021-01-12 德昌电机(深圳)有限公司 加热泵
EP3013116A1 (fr) * 2014-10-21 2016-04-27 Bleckmann GmbH & Co. KG Composant de système de chauffage et son procédé de production
CN104814706B (zh) * 2015-04-22 2017-08-25 佛山市顺德区美的洗涤电器制造有限公司 一种洗碗机及其加热洗涤保护控制方法和装置
ITUA20161567A1 (it) * 2016-03-11 2017-09-11 Irca Spa Coperchio per pompa centrifuga
CN108245116B (zh) * 2018-01-30 2023-11-07 佛山市永脉家电技术开发有限公司 一种安全性高的洗碗机洗涤泵

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Publication number Priority date Publication date Assignee Title
DE8437042U1 (de) † 1985-03-21 Elpag Ag Chur, Chur Durchlauferhitzer
US3051182A (en) * 1957-10-04 1962-08-28 George M Gibson Fluid circulating power means for a dishwashing machine
DE1822618U (de) * 1960-10-13 1960-12-01 Grundstuecksverwaltungsgesells Geschirrwaschmaschine mit im behaelterboden angeordneter wascheinrichtung, insbesondere taumel-strahlapparat.
DE2244275C3 (de) * 1972-09-09 1975-09-04 Frankl & Kirchner, Fabrik Fuer Elektromotoren U. Elektrische Apparate, 6830 Schwetzingen Gekapselter Kollektormotor für ein Pumpenaggregat
DE2938883C2 (de) * 1979-09-26 1983-09-08 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Heizung zum Erwärmen der Spülflüssigkeit in einer Geschirrspülmaschine
DE3627732A1 (de) * 1986-08-16 1988-02-18 Ego Italiana Foerdereinrichtung fuer fliessstoffe, insbesondere waschloesungen
DE8709756U1 (fr) * 1987-07-16 1988-11-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
DE9010254U1 (fr) * 1990-07-06 1991-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
DE4332246A1 (de) * 1992-09-23 1994-03-24 Miele & Cie Geschirrspülmaschine mit einem Durchlauferhitzer
US5701388A (en) † 1994-12-22 1997-12-23 Kohler Co. Combined heater and pump

Also Published As

Publication number Publication date
DE19852569A1 (de) 2000-05-18
PL192963B1 (pl) 2006-12-29
ATE270521T1 (de) 2004-07-15
EP1047334A1 (fr) 2000-11-02
WO2000028878A1 (fr) 2000-05-25
PL341002A1 (en) 2001-03-12
EP1047334B2 (fr) 2007-06-06
DE59909911D1 (de) 2004-08-12

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