EP1047334B1 - Umwälzpumpe, insbesondere für ein wasserführendes haushaltgerät - Google Patents
Umwälzpumpe, insbesondere für ein wasserführendes haushaltgerät Download PDFInfo
- 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
Links
Images
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)
Description
- Figur 1
- den Wasserweg in einer Geschirrspülmaschine in vereinfachter Form,
- Figur 2
- eine Umwälzpumpe der Geschirrspülmaschine mit geöffnetem Pumpengehäuse und eingebauter Heizeinrichtung für die Spülflüssigkeit, in perspektivischer Ansicht,
- Figur 3
- einen Deckel des Pumpengehäuses der Umwälzpumpe in Kombination mit einer weiteren Ausführungsform der Heizeinrichtung nach der Erfindung, im Längsschnitt,
- Figur 4
- den mit der Heizeinrichtung kombinierten Pumpengehäusedeckel in der Seitenansicht.
Claims (14)
- Umwälzpumpe, insbesondere für ein wasserführendes Haushaltgerät, wie Geschirrspülmaschine oder Waschmaschine, welche mit einem Spülbehälter und einer elektrischen Heizeinrichtung zur Spülwassererwärmung ausgestattet ist, mit einem am Motorgehäuse der Pumpe angeflanschten Pumpengehäuse mit Ansaug- und Druckstutzen für die im Kreislauf umzuwälzende und zu erwärmende Flüssigkeit, wobei ggf. Sicherheitseinrichtungen, wie Thermoschalter, Druckschalter oder dergl. zur Überwachung der zu fördernden Flüssigkeit im Wasserkreislauf vorgesehen sind,
dadurch gekennzeichnet, daß die Heizungeinrichtung (17) lösbar im Wasserlauf der Pumpe (11) am Pumpengehäuse (14) angeordnet ist. - Umwälzpumpe nach Anspruch 1,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) innerhalb des Pumpengehäuses (14) im Wasserlauf zwischen Ansaug- und Druckstutzen (15; 12, 13) der Pumpe (11) angeordnet ist. - Umwälzpumpe nach Anspruch 1 und 2,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) im Pumpengehäuse (14) am abnehmbaren Pumpengehäusedekkel (23) der Umwälzpumpe (11) lösbar befestigt ist. - Umwälzpumpe nach Anspruche 1 und 2,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) im Pumpengehäuse (14) an der pumpenmotorseitigen Gehäusehälfte (24) des Pumpengehäuses (14) montiert ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) als von der Spülflüssigkeit umspülter Rohrheizkörper (18; 18') ausgebildet ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß der Rohrheizkörper (18; 18') als Spirale oder umlaufend ringförmig vorzugsweise in Art einer gewickelte Zylinderspule gewunden ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß der Rohrheizkörper (18; 18') mit dem ihn umgebenden Pumpengehäuse (14) einen Durchlauferhitzer bildet. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) als separat montierbarer Teil des Pumpengehäuses (14) ausgebildet ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) als ein mit den Anschluß- oder Druckstutzen (12, 13) der Pumpe verbindbares vorzugsweise aufsteckbares Kupplungsstück ausgebildet ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß die Wasseranschlußverbindungen für die Heizeinrichtung (17) und/oder die elektrischen Leitungsanschlüsse (19) der Heizeinrichtung (17) als steckbare Rastverbindungen oder dergl. ausgebildet sind. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß die Sicherheitseinrichtungen, wie Thermoschalter (20), Druckschalter (21), Trübungssensoren oder dergl. am Pumpengehäuse (14) lösbar vorzugsweise in Steckbauweise angeordnet sind, und daß die Pumpe (11) bei einer Wasch- oder Geschirrspülmaschine außerhalb des Spülbehälters (2) angeordnet ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß am Pumpengehäuse (14) ebenfalls austauschbar mindestens eine Ventileinrichtung zum Absperren oder wahlweisen Öffnen der Pumpendruckstutzen (12, 13) angeordnet ist. - Umwälzpumpe nach einem oder mehreren der Ansprüche 1 bis 12,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) mit Abstand (Zwischenstege 22) zu den Wandungen des Pumpengehäuses (14) an der Umwälzpumpe (11) montiert ist. - Umwälzpumpe nach Anspruch 1 und einem oder mehreren der Ansprüche 5 bis 13,
dadurch gekennzeichnet, daß die Heizeinrichtung (17) außen am Pumpengehäuse (14) angeordnet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19852569A DE19852569A1 (de) | 1998-11-13 | 1998-11-13 | Umwälzpumpe, insbesondere für wasserführnde Haushaltgeräte |
DE19852569 | 1998-11-13 | ||
PCT/EP1999/008294 WO2000028878A1 (de) | 1998-11-13 | 1999-10-30 | Umwälzpumpe, insbesondere für ein wasserführendes haushaltgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1047334A1 EP1047334A1 (de) | 2000-11-02 |
EP1047334B1 true EP1047334B1 (de) | 2004-07-07 |
EP1047334B2 EP1047334B2 (de) | 2007-06-06 |
Family
ID=7887803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99957271A Expired - Lifetime EP1047334B2 (de) | 1998-11-13 | 1999-10-30 | Umwälzpumpe, insbesondere für ein wasserführendes haushaltgerät |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1047334B2 (de) |
AT (1) | ATE270521T1 (de) |
DE (2) | DE19852569A1 (de) |
PL (1) | PL192963B1 (de) |
WO (1) | WO2000028878A1 (de) |
Families Citing this family (19)
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 | Fritz Eichenauer GmbH & Co. KG, 76870 Kandel | 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 |
DE60232438D1 (de) * | 2002-06-05 | 2009-07-09 | Candy Spa | Geschirrspülmaschine |
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 |
ATE366542T1 (de) * | 2004-05-12 | 2007-08-15 | Askoll Holding Srl | 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 |
CN105465050B (zh) | 2014-08-07 | 2019-06-11 | 德昌电机(深圳)有限公司 | 加热泵 |
EP3013116A1 (de) * | 2014-10-21 | 2016-04-27 | Bleckmann GmbH & Co. KG | Heizungssystemkomponente und Verfahren zur Herstellung davon |
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 |
Family Cites Families (10)
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 (de) * | 1987-07-16 | 1988-11-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Geschirrspül- oder Waschmaschine |
DE9010254U1 (de) * | 1990-07-06 | 1991-10-31 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Geschirrspülmaschine mit einer Motorpumpe |
DE59307198D1 (de) * | 1992-09-23 | 1997-10-02 | Miele & Cie | Geschirrspülmaschine mit einem Durchlauferhitzer |
US5701388A (en) † | 1994-12-22 | 1997-12-23 | Kohler Co. | Combined heater and pump |
-
1998
- 1998-11-13 DE DE19852569A patent/DE19852569A1/de not_active Ceased
-
1999
- 1999-10-30 EP EP99957271A patent/EP1047334B2/de not_active Expired - Lifetime
- 1999-10-30 AT AT99957271T patent/ATE270521T1/de active
- 1999-10-30 DE DE59909911T patent/DE59909911D1/de not_active Expired - Lifetime
- 1999-10-30 WO PCT/EP1999/008294 patent/WO2000028878A1/de active IP Right Grant
- 1999-10-30 PL PL341002A patent/PL192963B1/pl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE19852569A1 (de) | 2000-05-18 |
EP1047334A1 (de) | 2000-11-02 |
EP1047334B2 (de) | 2007-06-06 |
PL341002A1 (en) | 2001-03-12 |
PL192963B1 (pl) | 2006-12-29 |
WO2000028878A1 (de) | 2000-05-25 |
DE59909911D1 (de) | 2004-08-12 |
ATE270521T1 (de) | 2004-07-15 |
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