EP2918721A1 - Dispositif de pompage pour un appareil aquifère et appareil aquifère - Google Patents
Dispositif de pompage pour un appareil aquifère et appareil aquifère Download PDFInfo
- Publication number
- EP2918721A1 EP2918721A1 EP15158326.7A EP15158326A EP2918721A1 EP 2918721 A1 EP2918721 A1 EP 2918721A1 EP 15158326 A EP15158326 A EP 15158326A EP 2918721 A1 EP2918721 A1 EP 2918721A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- pump
- pumping
- power
- control device
- 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
- 238000005086 pumping Methods 0.000 title claims abstract description 51
- 238000005406 washing Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000012886 linear function Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000034958 pharyngeal pumping Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000001514 detection method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/10—Power supply arrangements, e.g. stand-by circuits
-
- 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
-
- 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
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/08—Drain or recirculation pump parameters, e.g. pump rotational speed or current absorbed by the motor
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
Definitions
- the invention relates to a pumping device for a water-bearing device such as washing machine or dishwasher with a treatment container for receiving washing liquid for treating material to be treated within the treatment container, for pumping or pumping over washing liquid, comprising a pump with an electric motor and a rotatable impeller for conveying the liquid connected to a power stage controlled by a control device for controlling the flow rate, wherein the control device is adapted to detect electrical parameters supplied to the pump and to influence the supply of electric power or current to the motor depending on these parameters ,
- the laundry For washing laundry in a drum washing machine, the laundry is moved in the rotating drum, whereby the wetting of the laundry with the washing liquid and the washing mechanism are effected. In this case, there is water in the tub or in the drum, wherein the dirt is flushed out by the movement of the laundry.
- it is known to raise the laundry and a portion of the washing liquid by means of drum rotation from the lower region, so that the laundry items located in the drum are sprinkled from above with washing liquid or with the Washing liquid are mixed.
- the washing liquid is pumped, wherein the washing liquid is expelled from the laundry due to the centrifugal force occurring from the laundry by a so-called intermediate centrifuging.
- the disadvantage here is that when pumping or pumping strong fluctuations in the liquid flow due to the self-adjusting flows and the resulting amount of liquid occur. Furthermore, depending on the setup conditions different requirements with regard to the flow rate for the drain pump, depending on how the drain hose of the device is laid.
- a pump device in which the control of the pump takes place in dependence on detected parameters.
- the load of the pump is determined on the basis of the parameters recorded. Based on the load of the demand for electrical power is determined and fed to the pump. This regulation is quite complicated and vulnerable, since each operating state leads to an adaptation and change of the electric pump power.
- the invention is therefore based on the object to provide a pump device for a water-bearing device that reliably provides the predetermined flow rate in each case of operation and also to provide optimal operation in terms of pumping or flooding in a water-bearing device.
- the electrical power consumed by the pump or the absorbed current, in particular the active component of the current serves as an electrical parameter
- the control device is designed to use the power stage to supply the electrical power or current supplied to the motor depending on the detected parameters, so that sets a predetermined electric power or a predetermined current. It is therefore independent of the operating conditions, such as load on the impeller, air pressure, water pressure or Abpump Let, so the position of the hose end with respect to the machine, a nearly constant electric power supplied to the pump. The delivery rate then adjusts depending on the aforementioned operating conditions.
- the particular advantage of this type of control is that reliably always a uniform or at least nearly uniform delivery of the liquid is achieved, whereby an unpleasant noise or even alternating surge-like remplisstechniksaustragonne be avoided from the drain hose end. Furthermore, an overload of the pump is avoided, for example, at low flow rates, low pump-out levels or idle, so when air is sucked and a so-called ventilation takes place.
- the above regulation thus provides a constant or at least almost constant power value for the absorbed electric power of the pump motor, at different loads on the rotor.
- control device of the pump device is adapted to supply by means of the power stage the motor at least a nearly constant electric power or current with a fixed, almost constant or constant value with a deviation in the range of + -20%.
- the deviation is limited to a range of + - 10%.
- the value is set such that a standard-compliant flow rate is achieved at a predetermined maximum Abpump Let.
- a maximum pumping height of 1.8 meters is permitted, whereby a minimum volume flow, for example 10 l / min, must be conveyed under all conditions and pumping heights between 0 and 1.8 meters.
- the power stage or the control device is dimensioned so that an almost constant to constant electric power or current is supplied to the pump, such that the minimum permitted volume flow is achieved at the maximum pumping height.
- control of the pump is independent of the self-adjusting speed of the impeller. This means that the speed adjusts itself independently of the supplied power and of the mechanical or hydraulic resistance acting on the impeller, without it having to be detected by the control device or otherwise evaluated. This makes the control circuit very simple and reliable to operate. Sensors, such as sensors for speed detection or rotation angle detection are not necessary.
- control device is set up to limit the rotational speed of the rotor to an upper limit value and / or a lower limit value, as a result of which a mechanical overloading of the engine due to excessive rotational speeds is avoided.
- lower speed value monitoring ensures that safe and even delivery takes place in the lower speed range. The supplied power is at least temporarily increased for this special case.
- the specified value is stored as a linear function in the control device, the value is steadily becoming smaller with increasing absorbed electrical power. Such a behavior occurs in particular when the supplied power is determined based on the detected supplied current.
- the power supplied to the pump motor can be particularly simple be detected, for example by means of a current detection device or a combination of a resistor in conjunction with a voltage measurement.
- the pump has a rated power in the range of 5W to 100W, preferably 10W to 20W or to use a pump with the said rated power.
- a motor type for driving the pump is doing a DC motor, single-phase AC motor or multi-phase AC motor into consideration.
- the power level is adapted to the motor type used, wherein for the single-phase AC motor or for the polyphase AC motor, a suitable for the motor used frequency converter for commutation is used.
- the invention further relates to a water-conducting device, such as a washing machine with a tub for holding washing liquid for treating laundry, a horizontally rotatably mounted drum in the tub, a motor for rotating the drum, a radiator, a drain device comprising a pump device as mentioned above, which is in fluid communication with the tub and is designed for pumping or flooding of washing liquid.
- a water-conducting device such as a washing machine with a tub for holding washing liquid for treating laundry, a horizontally rotatably mounted drum in the tub, a motor for rotating the drum, a radiator, a drain device comprising a pump device as mentioned above, which is in fluid communication with the tub and is designed for pumping or flooding of washing liquid.
- the pump operation can be selectively adjusted or regulated to a narrow range based on the detected parameters with respect to recorded electrical power, regardless of the load acting on the pump, so further increasing the effectiveness is achieved.
- the invention further relates to a dishwasher with a washing container for receiving items to be washed, such as crockery or cutlery, further comprising a Umflut Sk and / or a drain device with a pumping device as mentioned above, which is in fluid communication with the washing and is set up , at least temporarily to promote rinsing liquid from the lower region of the washing container in the upper region, based on the operating position of the dishwasher Aufstellposition, and / or to pump out the rinsing liquid from the washing out.
- Fig. 1 is a purely schematic representation of a washing machine 1, shown with a trained as a tub 2 treatment tank.
- the position and direction information refer to the operational installation position of the washing machine 1.
- a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the laundry items located in the tub 2 8.
- the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding.
- the housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
- the loading opening 9 can be closed by means of a door 5.
- a radiator 7 is arranged, which can heat the washing liquid in the tub.
- an inlet valve 15 is sketched, which provides the running in of the water from the supply network.
- the water is passed through the connecting pipe 14 into the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2.
- a drain device 12 is arranged, which leads the spent washing liquid or the rinse water from the tub 2 to the drain line 12c, which usually opens into a sewer.
- the control device 18 controls the inlet valve 15, the activity of the drainage device 12, the drive motor 13, which is energized via the power unit or a frequency converter 16, and the radiator 7.
- the pump 17a mounted in a flooding device.
- the pump 17a is connected to the drain pipe 12b on the inlet side and suction side, respectively, and can convey the washing liquid 19 therein through the pipe 17b into the upper portion of the tub 2 and the drum 3, respectively.
- the washing liquid 19 is injected or flows onto the laundry items 8 through the nozzle or the outlet 17c.
- Fig. 1 is also shown that the level of the washing liquid 19, the heating element 7 just covered with washing liquid, so that no dry heating takes place. Below a minimum level there is a risk that the circulating pump 17a can no longer completely draw in liquid, so that increased noise can occur.
- the monitoring of the level takes place with a sensor 20, which detects the conductivity of the liquid or is designed as a pressure sensor.
- Fig. 1 is also shown schematically that the pumps 12a and 17a each include an electric motor 12d, 17d, which serves to drive the pump 12a, 17a.
- both the motor 12d of the drain pump and the motor 17d of the bypass pump 17a are energized by the frequency converter 16.
- the frequency converter 16 is in operative connection with the control device 18, so that the control device 18 transmits to the frequency converter 16 via a signal connection the specifications as to when the respective pump or the respective pump motors 12d, 17d should be activated.
- Fig. 2 schematically shows the water-bearing device 1 with the mounted below the treatment tank 2 pump 12a with pump motor 12d.
- the discharge hose 12a is mounted on the pump and can end in different heights.
- the pumping height h is measured here from the installation surface of the device, which approximately corresponds approximately to the position of the pump 12c in the device 1. at least the local deviation is irrelevant to the scheme.
- Fig. 4 is exemplified a pumping device with a frequency converter 16 for energizing the pump motor 12d sketched. Since the frequency converter 16 is matched with respect to its dimensioning to the motor 12d or to the winding parameters, this combination can be referred to as a mechatronic system.
- the applied to the input of the inverter 16 supply voltage 25 (for example, 230V ⁇ ) is rectified with a rectifier 26 into a DC voltage with a positive pole 29 and a negative pole 28.
- the DC voltage in the DC intermediate circuit 27 is in this case in the range of 300V to 350V, or at 325 V, wherein sets in the DC voltage intermediate circuit 27, the current IDC.
- the inverter 32 is connected, each of which has a so-called half bridge 34u, 34v, 34w for each phase U, V, W of the motor.
- the half bridges 34u, 34v, 34w switch the motor current IU, IV, IW in the phases U, V, W by means of transistors T1 to T6, using a pulse width modulation which is used to provide sinusoidal currents IU, IV, IW or direct currents in the phases U, V, W is used.
- a motor 12d a 3-phase motor with a 3-strand stator winding 36 is used in this example, which is designed star-shaped.
- the microprocessor controller 31 adapted to drive the half-bridges 34u, 34v, 34w in response to the detected values to energize the individual windings 36u, 36v, 36w for the operation of the motor 12d is such that a rotating field and rotates the rotor 33 with the impeller attached or coupled thereto.
- the frequency converter 16 further comprises for the individual phase currents IU, IV, IW respectively a detection device 35u, 35v, 35w, which forwards the phase currents as a signal to the microprocessor control 31, so that they Half bridges 34u, 34v, 34w can control accordingly.
- At least one of the detection means 35u, 35v, 35w or two or all three are further arranged to supply the power IU, IV, IW supplied as a measure of the power or the individual windings 36u, 36v, 36w as signal MU, MV, MW Supply microcontroller 31.
- the respective detection devices 35u, 35v, 35w comprise, in a simple embodiment, a voltage divider in order, in conjunction with an amplifier or operational amplifier, to obtain a signal MU usable by the microcontroller 31. MV to generate MW.
- the microcontroller 31 further comprises a memory 31 a and cooperates with this, which includes a computer program PROG for processing by the microcontroller 31 to the function of the frequency converter 16 by appropriately driving the half-bridges 34 u, 34 v, 34 w and the function of the device for Detecting the frequency converter 16 supplied supply current or a possible heating to provide.
- the output from the frequency converter 16 to the motor 12 d, power may, for. B. by a current measurement and the output pulse pattern (as a substitute for a voltage measurement) can be determined. If the losses in the motor 12d are neglected, the electrical input power of the motor 12d is equal to the mechanical shaft power output by the motor 12d. Instead of controlling the motor 12d to a constant speed n of the rotor 33, the speed n is continuously changed so that a constant power p is established. For this purpose, nominal and actual power are compared continuously or quasi-continuously. The difference is fed to a controller which changes the speed n so that the desired setpoint power is set. This controller can also have other subordinate control loops.
- the output mechanical power would be proportional to the capacity.
- the same volume flow would always be set independently of the pumping height.
- the disturbing influence of the pressure p_R can be avoided by taking it into account as a constant, since it is not dependent on the pumping height.
- the torque control or current control can be considered.
- the goal here is to keep the shaft torque approximately constant.
- the regulation of the shaft torque, ie of the rotor 33, can be realized in a drive system or pump device, comprising a frequency converter 16 and permanent magnet motor 12d, via the torque-forming portion of the current.
- the stator current isq, which is transformed into a coordinate system rotating with the rotor 33 of the machine 12d, is used as the controlled variable. This is proportional to the active current of the motor 12d.
- the absorbed power P first breaks down. Since it is controlled at a constant power / torque / current, the control would accelerate the drive 12d. If a maximum speed n is defined up to which it is allowed to accelerate, then reaching the speed n is a sure sign for snare operation and it can be switched off. Due to the high acceleration of the rotor speed n of the motor 12d in the pump 12a, this would be done very quickly.
- Fig. 3a to 3c said sequence is suitably suitable for the operation of a circulating pump 17a with the pump motor 17d, when, for example, the circulating operation is provided in a washing machine.
- the pump device can be used in a dishwasher corresponding to the flooding with a circulating pump 17d and / or for pumping with drainage pump 12d.
- 3a shows a diagram of the behavior of the supplied electric power P of the motor 12d as a function of the pumping height h. It can be seen that the supplied power P is constant, for different pumping heights. In this example, the power p is set to 13W.
- the Other values, ie speed n and volumetric flow VS, may likewise deviate slightly compared to the behavior explained below.
- Fig. 3b shows the adjusting itself in the pump 12a or drain hose 12c flow rate VS as a function of Abpump Way h. It can be seen that at a pumping height h of 0 meters, a first maximum flow rate VS, in this example of about 21 l / min, adjusts, and this steadily drops with increasing pumping height h. For all pumping levels, up to the limit value hg, a predetermined minimum limit value VSg for volume flow VS is maintained here. In the example shown, the given volume flow VSg of 10 l / min is exceeded with a limit value of 1.8 m, since in this example a volume flow VS of 12 l / min is established.
- Fig. 3c shows the speed behavior of the impeller or the rotor 33 of the pump.
- a rotational speed n of 2000 rpm is established, whereby at this rotational speed n the maximum volume flow VS for this height, for example 21 l / min, is set.
- an increased speed n sets in, here just under 2800 rpm to exceed the volume flow VSg.
- the volumetric flow VS at a pumping depth of 1.8 m is 12 l / min and thus certainly exceeds the limit value VSg of 10 l / min prescribed by a standard.
- the rotational speed n increases more sharply than in the lower range of the pumping height h between 0m and 1 m.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Water Supply & Treatment (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Washing Machine And Dryer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014103472.4A DE102014103472A1 (de) | 2014-03-14 | 2014-03-14 | Pumpeinrichtung für ein wasserführendes Gerät und wasserführendes Gerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2918721A1 true EP2918721A1 (fr) | 2015-09-16 |
EP2918721B1 EP2918721B1 (fr) | 2017-04-05 |
Family
ID=52629466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15158326.7A Active EP2918721B1 (fr) | 2014-03-14 | 2015-03-10 | Dispositif de pompage pour un appareil aquifère et appareil aquifère |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2918721B1 (fr) |
DE (1) | DE102014103472A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3153707A1 (fr) * | 2015-10-07 | 2017-04-12 | LG Electronics Inc. | Appareil de traitement du linge |
EP3153622A1 (fr) * | 2015-10-07 | 2017-04-12 | LG Electronics Inc. | Appareil de traitement du linge |
DE102016212489A1 (de) | 2016-07-08 | 2018-01-11 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einer Steuerung |
EP3424398A1 (fr) | 2017-07-06 | 2019-01-09 | BSH Hausgeräte GmbH | Procédé de fonctionnement d'un appareil électroménager à circulation d'eau à détermination de la durée de marche à vide d'une pompe améliorée et appareil électroménager correspondant |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022211200A1 (de) | 2022-10-21 | 2024-05-02 | BSH Hausgeräte GmbH | Adaptive Drehzahlanpassung von Freistrompumpen in wasserführenden Haushaltsgeräten |
DE102022211201A1 (de) | 2022-10-21 | 2024-05-02 | BSH Hausgeräte GmbH | Verbesserte Ermittlung der Leerlaufstromaufnahme von Laugenpumpen |
DE102022211199A1 (de) | 2022-10-21 | 2024-05-02 | BSH Hausgeräte GmbH | Fehlererkennung bei einem Betrieb von Laugenpumpen |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040088791A1 (en) | 2002-11-08 | 2004-05-13 | Luc Corbeil | Method and apparatus for positioning a patient on a table for a medical procedure on a breast |
DE102007041311A1 (de) * | 2007-08-31 | 2009-03-05 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts |
EP1638201B1 (fr) | 2003-10-07 | 2009-04-08 | Askoll Holding S.r.l. | Appareil électronique controllant une pompe de décharge entraînée par un moteur synchrone à aimants permanents |
DE102007052091A1 (de) * | 2007-10-31 | 2009-05-14 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Fördervolumenbestimmung |
DE102008029910A1 (de) * | 2008-06-24 | 2009-12-31 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Lastzustandserkennung einer Pumpe |
DE102010028614A1 (de) * | 2010-05-05 | 2011-11-10 | BSH Bosch und Siemens Hausgeräte GmbH | Pumpeneinrichtung sowie wasserführendes Hausgerät mit einer solchen |
DE102011002861A1 (de) | 2011-01-19 | 2012-07-19 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit zumindest einer Heizung zur Erwärmung von umlaufender Flüssigkeit |
-
2014
- 2014-03-14 DE DE102014103472.4A patent/DE102014103472A1/de not_active Withdrawn
-
2015
- 2015-03-10 EP EP15158326.7A patent/EP2918721B1/fr active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040088791A1 (en) | 2002-11-08 | 2004-05-13 | Luc Corbeil | Method and apparatus for positioning a patient on a table for a medical procedure on a breast |
EP1638201B1 (fr) | 2003-10-07 | 2009-04-08 | Askoll Holding S.r.l. | Appareil électronique controllant une pompe de décharge entraînée par un moteur synchrone à aimants permanents |
DE102007041311A1 (de) * | 2007-08-31 | 2009-03-05 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts |
DE102007052091A1 (de) * | 2007-10-31 | 2009-05-14 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Fördervolumenbestimmung |
DE102008029910A1 (de) * | 2008-06-24 | 2009-12-31 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Lastzustandserkennung einer Pumpe |
DE102010028614A1 (de) * | 2010-05-05 | 2011-11-10 | BSH Bosch und Siemens Hausgeräte GmbH | Pumpeneinrichtung sowie wasserführendes Hausgerät mit einer solchen |
DE102011002861A1 (de) | 2011-01-19 | 2012-07-19 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit zumindest einer Heizung zur Erwärmung von umlaufender Flüssigkeit |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3153707A1 (fr) * | 2015-10-07 | 2017-04-12 | LG Electronics Inc. | Appareil de traitement du linge |
EP3153622A1 (fr) * | 2015-10-07 | 2017-04-12 | LG Electronics Inc. | Appareil de traitement du linge |
AU2016335434B2 (en) * | 2015-10-07 | 2019-01-31 | Lg Electronics Inc. | Laundry processing apparatus |
AU2016336575B2 (en) * | 2015-10-07 | 2020-01-30 | Lg Electronics Inc. | Laundry processing device |
US10704178B2 (en) | 2015-10-07 | 2020-07-07 | Lg Electronics Inc. | Laundry treating apparatus having a pump body support leg including a rigid head and a deformable stem |
US10815600B2 (en) | 2015-10-07 | 2020-10-27 | Lg Electronics Inc. | Laundry treating apparatus |
DE102016212489A1 (de) | 2016-07-08 | 2018-01-11 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einer Steuerung |
WO2018007144A1 (fr) | 2016-07-08 | 2018-01-11 | BSH Hausgeräte GmbH | Appareil d'entretien du linge équipé d'une commande |
EP3424398A1 (fr) | 2017-07-06 | 2019-01-09 | BSH Hausgeräte GmbH | Procédé de fonctionnement d'un appareil électroménager à circulation d'eau à détermination de la durée de marche à vide d'une pompe améliorée et appareil électroménager correspondant |
DE102017211571A1 (de) | 2017-07-06 | 2019-01-10 | BSH Hausgeräte GmbH | Verfahren zum Betrieb eines wasserführenden Haushaltsgerätes mit verbesserter Bestimmung einer Leerlauflast einer Pumpe und Haushaltsgerät hierfür |
Also Published As
Publication number | Publication date |
---|---|
DE102014103472A1 (de) | 2015-09-17 |
EP2918721B1 (fr) | 2017-04-05 |
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