EP2348944A1 - Pumpe für fluide - Google Patents
Pumpe für fluideInfo
- Publication number
- EP2348944A1 EP2348944A1 EP09778692A EP09778692A EP2348944A1 EP 2348944 A1 EP2348944 A1 EP 2348944A1 EP 09778692 A EP09778692 A EP 09778692A EP 09778692 A EP09778692 A EP 09778692A EP 2348944 A1 EP2348944 A1 EP 2348944A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- heating
- conveyor
- air
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- D06F39/08—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 pump for fluids, the pump having a drive motor and a heater to heat the fluid when passing through the pump.
- the invention relates to an arrangement of a pump according to one of the preceding claims in an electric household appliance or a water-conducting household appliance such as a dishwasher, a washing machine or a tumble dryer or concerns these devices themselves.
- Similar pumps are known, for example, from WO 2006/136819. With such a pump, a dishwasher or a washing machine can be operated for introducing and heating water into the interior during operation.
- the invention has for its object to provide a pump mentioned above, which has extended operational and uses, is versatile and allows a particularly advantageous construction of an electric household appliance such as a dishwasher or a washing machine.
- the pump or a conveyor of the pump which is driven by the drive motor, designed such that so that both water and air can be pumped or conveyed.
- an operating mode of the pump or the drive motor can be varied so that the speed, in particular the rated operating speed is correspondingly different, in particular a high nominal operating speed in the promotion of air and a lower rated operating speed in the promotion of Water.
- the pump or by these two uses can advantageously be dispensed in a dishwasher on a separate fan or conveyor for air in the interior of the dishwasher inside to dry dishes washed or hot air in the dishwasher for drying the To blow dishes.
- a separate fan or conveyor for air in the interior of the dishwasher inside to dry dishes washed or hot air in the dishwasher for drying the To blow dishes.
- most of the interior of the dishwasher is heated by an exposed tubular heater, so not even circulated or distributed the air.
- the invention results not only in a considerable structural simplification of the water-conducting domestic appliance, in particular a dishwasher, but also a considerably improved function. Above all, the costs can be reduced and the number of components at risk of failure can be reduced. By eliminating another fan, a more compact design can be achieved or more space inside the device.
- the pump or an associated pump housing have different suction points for air and water.
- these suction points each lead to the conveyor, advantageously adjacent areas. loading particularly advantageous, the suction can be closed in each case, including, for example, valves, flaps or the like. can be provided.
- the suction operation can be well controlled and the two suction areas and suction points can be separated from each other and closed.
- the pump also has different points of departure for air and water, each leading away from the conveyor. Again, flaps, valves or the like. be provided for closing the departure points.
- the points of departure are also preferably close to each other, but possibly only as a single point of departure.
- the pump may advantageously have a rotating compressor. It is particularly advantageous designed as a radial pump, wherein a said compressor can be designed in principle similar to a known compressor. In a possible development of the invention, it can have a plurality of compressor blades, the angle of attack of which can be adjusted. By this adjustment, an adaptation to the material to be promoted, so either air or water, are made for each best possible promotion.
- An adjustment of the compressor blades can advantageously be carried out between two end positions without intermediate position in order to keep an adjusting mechanism as simple as possible.
- An end position can have a relatively steep angle of attack for conveying air, in particular with a relatively high nominal operating speed.
- Another end position may have a relatively shallow angle of attack to promote water, with a nominal operating speed being relatively low.
- an adjustment mechanism for adjustable compressor blades may be speed-dependent. Thus, the compressor blades move accordingly without special activators by adjusting a low or high speed or go into their respective end position.
- Heating which can serve both for heating the water and for heating the air, can on the one hand run along an outer circumference of the housing.
- the heating can rotate around a substantial area of the housing, in particular completely around the housing.
- Such heating can for example also form an area of the wall of the pump or a pump chamber.
- heating over a large area, in particular from both sides can be surrounded by the fluid to be delivered, ie air or water, for the best possible heat release.
- the heating is arranged rather centrally in a pump chamber.
- combinations of the two above-described heaters are also conceivable, where one or both heaters can be activated depending on the fluid to be delivered and / or the target temperature.
- a heating or a heating element thereof is designed so that it comes into direct contact with the fluid to be delivered. Thus, the best possible heating effect can be achieved.
- heating can have layer heating elements, preferably thick-layer heating elements or thin-layer heating elements. These can, as is known per se, be applied to a flat carrier substrate. Alternatively, possibly also in addition, heating may comprise tubular heating elements or a heating element with heating wire. Since tubular heaters of this type are electrically insulated from the outside, they can extend directly into the fluid to be pumped or run within a pump chamber.
- the heating has at least two separately controllable heating circuits.
- an adjustment of the heating power in different stages is considered sufficient.
- a stepless change is not absolutely necessary, so that the circuit complexity can be reduced.
- a variable speed electric motor is used as a drive motor for the conveyor. As described above, it can deliver water at a relatively low rated operating speed since it requires significantly more power due to its greater density. For conveying air, the conveyor can run at a significantly higher rated operating speed, even with compressor blades set in the pitch angle.
- An access to the conveyor from a suction point or from the two aforementioned suction points for air and water can advantageously take place centrally centrally along the axis of rotation of the conveyor. It may, for example, be provided that the two intake points of air and water arrive at this access from the outside and then open in the conveyor in a single opening. A departure from the conveyor to an aforementioned point of departure may be provided radially on the outside of the conveyor. However, this depends significantly on the basic design of the pump and should be adapted to it.
- a pump according to the invention is installed in an electric household appliance such as a dishwasher, a washing machine or a tumble dryer in accordance with the invention, provision can be made for a device to be provided for removing water from the pump and from the fluid delivery path to be removed by the pump.
- a valve may be provided on the pump or on a housing with the conveyor, advantageously, of course, at the lowest possible point. So on the one hand, the disturbing stagnation of residual water can be avoided with the resulting known hygiene problems. Further, for subsequent conveying of air, the efficiency of conveying with complete removal of water can be improved.
- a second pump may be provided.
- Fig. 1 is a functional view of a pump according to the invention with heating and two suction points for air and water and a delivery point and
- Fig. 2 is a dishwasher with such a pump.
- a pump assembly 11 according to the invention is shown in a highly schematic representation.
- This pump assembly 11 is installed in a water-conducting household electrical appliance, in particular in a dishwasher, advantageously under the washing chamber.
- a dishwasher is shown in Fig. 2 and below. this will be done even more.
- the pump arrangement 11 has a pump 12, which has a pump housing 13 and a motor 15.
- a motor shaft 16 extends from the motor 15 into the pump housing 13 and carries a conveyor 18 which rotates in a pump chamber 19 in the interior of the pump housing 13.
- the connection of the pump housing 13 and the motor 15 is advantageous fixed, in particular it is a structural unit, the like or the like by releasable screw. of the motor 15 can be made to the pump housing 13. For fixing the pump 12 in a dishwasher, it may then be sufficient to provide attachment points on the pump housing 13 alone.
- the conveyor 18 is advantageously designed conventionally in the version shown here and corresponds for example to a conveyor, as it is known from DE 19903951 A1, to which reference is expressly made in this regard. Furthermore, here is the representation of the dimension of the pump housing 13 and the other components not to scale.
- the pump housing 13 or the pump chamber 19 has a pump access 21, which takes place centrally and axially.
- a pump outlet 23 is provided, which is arranged laterally or radially.
- an aforementioned pump drainage 25 is provided with a drain valve 26. By opening the drain valve 26 residual water can be removed from the pump housing 19.
- the heater 28 shown is formed except for a corresponding, not shown interruption for the pump outlet 23 substantially cylinder-like or inside close to the inner wall of the pump chamber 19 circumferentially. It may be a thin-film or thick-film heating described above, wherein heating elements are arranged on at least one of its sides, advantageously the outside, possibly also on the other or both sides.
- tubular heaters or the like. be provided, which run closer to the conveyor 18.
- the pump housing 13 can be heated from the outside. However, this is easily feasible for the expert in the different variants.
- a water intake point 31 is provided with a valve 32 for shutting off.
- This Wasseransaugstelle 31 is connected to a conventional flow of a washing chamber of a dishwasher.
- an air intake 34 is provided with a corresponding valve 35. Water intake 31 and air intake 34 meet in an intersection region 37, which is connected directly to the pump access 21. As has been explained at the outset, it can be determined by respectively opening and closing the valves 32 and 35 whether either water is present at the water inlet or outlet. point 31 or air is sucked or promoted at the air intake 34 and is then discharged at the pump outlet 23.
- the pump outlet 23 may, as it should be shown here, be connected to a single access in a washing chamber of the dishwasher. Then both conveyed water and air, in particular also each heated, introduced in the same manner in the washing chamber. Alternatively, if different feed paths are to be provided for this, at the pump outlet 23, similar to the pump access 21, two different dispensing points, which are in each case openable and closable by valves, can be connected.
- FIG. 2 schematically shows a dishwasher 40 according to the invention in a lateral section.
- the dishwasher 40 has an inner rinsing chamber 41 and to the access of a door 42. Inside the rinsing chamber 41 there are three rinsing arms 44a-c rotating in operation, which are supplied via a supply line 45.
- the supply line 45 is connected to the pump outlet 23 and leads to each rinse arm 44. Possibly, valves may be provided here for selective access to individual rinse arms 44.
- the Wasseransaugstelle 31 is connected in a manner not shown with a water outlet from the rinsing chamber 41 and, advantageously adjustable by valves, connected to a fresh water inlet.
- the air intake 34 of the pump assembly 11 is connected to a fresh air supply, advantageously just an opening in the dishwasher 40.
- the pump drainage 25 is connected to a conventional sewer line from the dishwasher 40.
- the pump assembly 11 For operation of the pump assembly 11 is essentially to refer to the aforementioned.
- the valve 35 and the dewatering valve 26 are closed, the valve 32 is opened at the water suction point 31 and the pump 12 is operated.
- the motor 15 with a first nominal Operating speed, which is the lower of two possible rated operating speeds.
- the pumped and possibly heated with the heater 28 water leaves through the pump outlet 23, the pump 12 and is guided via the supply line 45 and the rinse arms 44 a-c in the interior of the washing chamber 41.
- the motor 15 stops and the valve 32 is closed.
- the pump housing 13 and the pump chamber 19 can run empty.
- the drain valve 26 is closed again.
- the valve 35 is opened at the air intake 34 and the motor 15 is operated at a second rated operating speed to convey by means of the conveyor 18 air and from the pump outlet 23 again via the supply line 45 and the rinse arms 44a-c in the interior of the To bring rinsing chamber.
- This second nominal operating speed may be significantly higher than the aforementioned first rated operating speed, possibly two to three times higher.
- the introduction of the air, which is heated to the heater 28, serves to dry the dishes towards the end of the rinsing process.
- the pump assembly 11 then acts as a kind of hair dryer.
- a synchronous motor If a synchronous motor is used as the motor, it can be speed-controlled. Such a synchronous motor then has no fixed rated operating speed, it can be easily set arbitrarily.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL09778692.5T PL2348944T5 (pl) | 2008-09-25 | 2009-09-24 | Pompa do płynów |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008050895A DE102008050895A1 (de) | 2008-09-25 | 2008-09-25 | Pumpe für Fluide |
| PCT/EP2009/006894 WO2010034488A1 (de) | 2008-09-25 | 2009-09-24 | Pumpe für fluide |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2348944A1 true EP2348944A1 (de) | 2011-08-03 |
| EP2348944B1 EP2348944B1 (de) | 2017-12-20 |
| EP2348944B2 EP2348944B2 (de) | 2022-10-26 |
Family
ID=41507949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09778692.5A Active EP2348944B2 (de) | 2008-09-25 | 2009-09-24 | Pumpe für fluide |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2348944B2 (de) |
| DE (1) | DE102008050895A1 (de) |
| ES (1) | ES2657433T5 (de) |
| PL (1) | PL2348944T5 (de) |
| WO (1) | WO2010034488A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348944B1 (de) | 2008-09-25 | 2017-12-20 | E.G.O. Elektro-Gerätebau Gmbh | Pumpe für fluide |
| EP3777639A1 (de) | 2019-07-25 | 2021-02-17 | E.G.O. Elektro-Gerätebau GmbH | Wasserführendes haushaltsgerät und verfahren zum betrieb eines wasserführenden haushaltsgeräts |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010043727A1 (de) | 2010-11-10 | 2012-05-10 | E.G.O. Elektro-Gerätebau GmbH | Pumpe |
| DE102011078017B3 (de) | 2011-06-22 | 2012-06-21 | E.G.O. Elektro-Gerätebau GmbH | Pumpe |
| DE102012202065B3 (de) * | 2012-02-10 | 2013-05-29 | E.G.O. Elektro-Gerätebau GmbH | Pumpe und Verfahren zum Beheizen einer Pumpe |
| US9371841B2 (en) | 2012-03-05 | 2016-06-21 | Electrolux Home Products, Inc. | Safety arrangement for an integrated heater, pump, and motor for an appliance |
| DE102012108449A1 (de) * | 2012-09-11 | 2014-03-13 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Wandring eines Lüfters mit Heizelement |
| DE102012025758B3 (de) | 2012-10-04 | 2021-12-02 | E.G.O. Elektro-Gerätebau GmbH | Impellerpumpe |
| DE202012013264U1 (de) * | 2012-10-04 | 2015-10-08 | E.G.O. Elektro-Gerätebau GmbH | Impellerpumpe |
| DE102013201903A1 (de) | 2013-02-06 | 2014-08-07 | E.G.O. Elektro-Gerätebau GmbH | Wärmepumpenvorrichtung, Verwendung einer Pumpe mit beheizbarer Pumpenkammer in einer Wärmepumpenvorrichtung und Verfahren zum Betrieb einer Wärmepumpenvorrichtung |
| DE102014215853A1 (de) * | 2014-08-11 | 2016-02-11 | BSH Hausgeräte GmbH | Pumpe mit einer Heizvorrichtung, die eine elektrische Folienheizung aufweist |
| DE102019212952B4 (de) * | 2019-08-28 | 2023-05-11 | Blanco Gmbh + Co Kg | Reinigungsvorrichtung und Verfahren zum Betrieb einer Reinigungsvorrichtung |
| DE102020201179A1 (de) | 2020-01-31 | 2021-08-05 | E.G.O. Elektro-Gerätebau GmbH | Verfahren zum Betrieb eines wasserführenden Haushaltsgeräts und wasserführendes Haushaltsgerät |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE88019C (de) * | ||||
| DE512274C (de) † | 1928-02-02 | 1930-11-08 | Heinrich Schloemann | Geschirrspuel- und -trockenvorrichtung |
| BE583343A (de) † | 1958-11-21 | |||
| US3568771A (en) * | 1969-04-17 | 1971-03-09 | Borg Warner | Method and apparatus for lifting foaming crude by a variable rpm submersible pump |
| CH574732A5 (en) † | 1975-01-31 | 1976-04-30 | Zug Verzinkerei Ag | Dish washing method and machine - drying air is contacted with cold water, fed in by water feed system |
| US4858255A (en) * | 1986-05-23 | 1989-08-22 | Premier Pump & Pool Products, Inc. | Hydrotherapy apparatus having preheated air agitation feature |
| DE3705639A1 (de) | 1987-02-21 | 1988-09-01 | Philips Patentverwaltung | Duennschicht-heizelement |
| EP0618779B1 (de) * | 1991-12-20 | 2000-05-03 | FISHER & PAYKEL LIMITED | Geschirrspülmaschine |
| EP0591774B1 (de) † | 1992-09-23 | 1997-08-27 | Miele & Cie. GmbH & Co. | Geschirrspülmaschine mit einem Durchlauferhitzer |
| DE4341215A1 (de) * | 1993-12-03 | 1995-06-08 | Miele & Cie | Kreiselpumpe, insbesondere zur Verwendung als Umwälzpumpe für Geschirrspülmaschinen und Waschmaschinen |
| US5701388A (en) | 1994-12-22 | 1997-12-23 | Kohler Co. | Combined heater and pump |
| DE19903951B4 (de) | 1999-02-02 | 2013-11-14 | Fritz Eichenauer Gmbh & Co. Kg | Beheizbares Pumpengehäuse zur Flüssigkeitserwärmung |
| DE20107363U1 (de) * | 2001-04-27 | 2001-07-19 | Fritz Eichenauer GmbH & Co. KG, 76870 Kandel | Pumpe mit einem beheizbaren Gehäuse |
| DE102004011365A1 (de) * | 2004-03-05 | 2005-09-22 | Aweco Appliance Systems Gmbh & Co. Kg | Kreiselpumpe |
| ITTO20040592A1 (it) * | 2004-09-08 | 2004-12-08 | Plaset Spa | Chiocciola per una pompa centrifuga |
| DE102004060947A1 (de) | 2004-12-17 | 2006-06-29 | BSH Bosch und Siemens Hausgeräte GmbH | Haushalts-Geschirrspülmaschine und Verfahren zum Betreiben derselben |
| GB2427437B8 (en) | 2005-06-23 | 2011-08-24 | Otter Controls Ltd | Combined heater pump apparatus |
| ITVE20050037U1 (it) * | 2005-11-17 | 2007-05-18 | Irca Spa | Pompa per lavastoviglie provvista di elemento riscaldante.- |
| DE102005062480B4 (de) | 2005-12-27 | 2014-05-22 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine |
| DE102007030072A1 (de) | 2007-06-29 | 2009-01-02 | BSH Bosch und Siemens Hausgeräte GmbH | Elektrischen Antriebseinrichtung für ein Wasserführendes Haushaltsgerät |
| DE102008050895A1 (de) | 2008-09-25 | 2010-04-01 | E.G.O. Elektro-Gerätebau GmbH | Pumpe für Fluide |
-
2008
- 2008-09-25 DE DE102008050895A patent/DE102008050895A1/de not_active Ceased
-
2009
- 2009-09-24 EP EP09778692.5A patent/EP2348944B2/de active Active
- 2009-09-24 ES ES09778692T patent/ES2657433T5/es active Active
- 2009-09-24 WO PCT/EP2009/006894 patent/WO2010034488A1/de not_active Ceased
- 2009-09-24 PL PL09778692.5T patent/PL2348944T5/pl unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010034488A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348944B1 (de) | 2008-09-25 | 2017-12-20 | E.G.O. Elektro-Gerätebau Gmbh | Pumpe für fluide |
| EP3777639A1 (de) | 2019-07-25 | 2021-02-17 | E.G.O. Elektro-Gerätebau GmbH | Wasserführendes haushaltsgerät und verfahren zum betrieb eines wasserführenden haushaltsgeräts |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008050895A1 (de) | 2010-04-01 |
| PL2348944T3 (pl) | 2018-07-31 |
| ES2657433T5 (es) | 2023-02-23 |
| EP2348944B2 (de) | 2022-10-26 |
| ES2657433T3 (es) | 2018-03-05 |
| WO2010034488A1 (de) | 2010-04-01 |
| PL2348944T5 (pl) | 2023-02-20 |
| EP2348944B1 (de) | 2017-12-20 |
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