EP2230984B1 - Verfahren zur erfassung einer beladungsbedingten wärmekapazitätsänderung eines wasserführenden haushaltsgeräts - Google Patents

Verfahren zur erfassung einer beladungsbedingten wärmekapazitätsänderung eines wasserführenden haushaltsgeräts Download PDF

Info

Publication number: EP2230984B1
Authority: EP; European Patent Office
Prior art keywords: temperature; water; detected; temperature plot; detecting
Prior art date: 2007-12-11
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

EP08860453A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2230984A1 (de

Inventor

Heinz Heissler

Kai Paintner

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.)

BSH Hausgeraete GmbH

Original Assignee

BSH Bosch und Siemens Hausgeraete GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2007-12-11

Filing date

2008-11-11

Publication date

2013-01-09

2008-11-11 Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH

2008-11-11 Priority to PL08860453T priority Critical patent/PL2230984T3/pl

2010-09-29 Publication of EP2230984A1 publication Critical patent/EP2230984A1/de

2013-01-09 Application granted granted Critical

2013-01-09 Publication of EP2230984B1 publication Critical patent/EP2230984B1/de

Status Active legal-status Critical Current

2028-11-11 Anticipated expiration legal-status Critical

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
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0034—Drying phases, including dripping-off phases
- 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
- A47L15/48—Drying arrangements
- A47L15/483—Drying arrangements by using condensers
- 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
- A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
- 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
- A47L15/4295—Arrangements for detecting or measuring the condition of the crockery or tableware, e.g. nature or quantity
- 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
- A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
- 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
- A47L2401/12—Water temperature
- 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
- A47L2401/34—Other automatic detections
- 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
- A47L2501/11—Air heaters
- 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
- A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions

Definitions

the invention relates to a method according to the preamble of patent claim 1.
a first temperature is detected by means of a temperature sensor, which adjusts for a first batch of added water after it has been sprayed and adjusted to the temperature of the dishes. Thereafter, this first batch is pumped out of the washing container of the dishwasher. Then, a second batch of water is added to the rinse tank and its temperature detected by the temperature sensor before this water is brought into contact with the dishes and it transfers heat to the dishes. Only then is the second batch of water sprayed on the dishes. Finally, a third temperature is determined which comprises the second batch of water after spraying and heating the dishes. From the three singular recorded temperature values, the loading weight of the dishes can be calculated.
the solution of the object of the invention is based on a method for detecting the load-related heat capacity change of a water-conducting household appliance, in particular a dishwasher, for optimizing a drying process.
a temperature profile is detected during the cooling of the dishes. For example, during the main cleaning cycle, the temperature of the cooling rinse liquor, which is in temperature equilibrium with the ware, can be measured. Because a high load cools slower than a low one, the acquisition of the temperature history of the rinse liquor can be used as a measure of the load. It is technically easy to detect via a temperature sensor, because the sensor can be integrated into the flushing circuit without great technical effort.
the temperature profile can be detected on a condensation surface, for example on the inside of a door or on the outer surface of a water tank serving as a reservoir, which serves for the intermediate storage of water and / or rinsing liquor.
pairs of temperature values are detected at two different locations in the machine.
a first value can be determined in one area in front of the items to be washed, and a second value afterwards. So can be detected so a temperature difference, for example, the rinsing liquor from values before and after contact with the dishes. From the change in the difference, the heat capacity change can be determined by the dishes.
the correlation of temperature profile and heat capacity also applies to the detection of a temperature at the condensation surface.
the temperature profile after a mixing process of rinsing liquor with fresh water is detected is calorimetrically by measuring a mixture temperature from one of the two temperature values at a Change or at least partial change of rinsing determined. This can be done for example during the cleaning cycle or an intermediate rinse cycle. After a first cleaning cycle with warm water, it can be completely or partially pumped off and cold fresh water fed into the rinsing chamber. The fresh water warms up by the contact with the warm dishes and, if necessary, by mixing with warm residual water from the cleaning cycle.
the heat capacity can be derived by a calorimetric calculation of the temperature and amount of fresh water supplied, optionally the amount and temperature of the fresh water remaining from the cleaning cycle and the resulting mixing temperature. Also these data can - under circumstances with already existing means, thus with small technical expenditure - be detected technically simply
a time dependency of a temperature representative of the temperature of the washware itself and / or the time dependence of a temperature representative of the temperature of a condensation surface is detected.
the time dependence of the temperature of the items to be washed or of the condensation surface is to be understood as the temperature profile.
the humidity in the washing compartment settles during cooling during a drying process.
the determination of the temperature at the condensation surface offers on the one hand a simple and on the other hand independent of the rinsing eye and the circulation pump or their performance data acquisition capability.
the invention thus makes use of the knowledge that the course of the rinse temperature or its change during a certain period of time is in direct correlation to the heat capacity and temperature of the items to be washed. This results in a technically simple calculation method, which indirectly determine the size of the heat capacity, which is difficult to detect, or which can be estimated within narrow limits.
a fit function describing the time dependency of the temperature during cooling or mixing can be adapted to the detected time dependence during cooling or mixing, wherein the fit function has the heat capacity of the dishes as a fit parameter. Also in this way The heat capacity of the items to be washed can be determined as a measure of the loading in a technically simple manner.
thermo profile during a cooling phase and / or a mixing temperature can preferably be provided, in addition to the temperature profile during a cooling phase and / or a mixing temperature, to record the temperature profile during a heating phase of rinsing liquor, in particular of circulated rinsing liquor, so as to increase the accuracy by combining these measurements.
the invention includes a water-conducting domestic appliance, in particular a dishwasher, at least comprising means for detecting the load-related storage capacity of thermal energy.
the water-conducting household appliance has means with which a temperature profile is detected during the cooling of the dishes. The determination of the current load is automatic, that is without input by an operator. This considerably simplifies the operation of the dishwasher.
the loading can be detected indirectly via a determination of the heat capacity of the items to be washed.
the dishwasher may comprise a temperature sensor for detecting a temperature representative of the temperature of the items to be washed and means for evaluating the detected temperature and / or their time dependence.
the temperature sensor can be arranged in the rinsing chamber or in the circulation circuit and comes into contact with the water circulated during a cleaning cycle, which in turn is in heat exchange with the items to be washed. It should therefore be arranged so that it can at least indirectly detect the temperature of the items to be washed.
a second temperature sensor with associated evaluation means for detecting the temperature of freshly supplied, not yet heated fresh water may be present.
the second temperature sensor can be in heat exchange with the heat storage. The second temperature sensor and the evaluation means allow the determination of the heat capacity of the load according to the method last described above.
the dishwasher may comprise a control unit which is designed to process the data of the temperature sensor or sensors, ie to carry out the method described above or sections thereof and their variants.
Fig. 1 shows the known operations in a dishwasher with self-heat drying. They include a pre-rinse 2, a heating phase 4, a cleaning cycle 6, an intermediate rinse 8, a rinse 10 and a final drying operations 12 in the pre-wash 2 cold fresh water (about 3.4 - 3.9 l) is supplied and for a preset duration of about 15 minutes from a circulation pump 20 through the rinsing chamber 14 (see Figures 3 and 4 ) circulated.
a heater 56 in the hydraulic circuit heats the fresh water of Vor Togethergangs 2 in about 13 to 14 minutes to an initial cleaning temperature of about 51 ° C.
the items to be washed 28 in the rinsing chamber 14 are heated.
the heated rinsing solution provided with cleaning agent is circulated, whereby the items to be washed 28 are substantially cleaned.
the rinsing solution is pumped out of the rinsing chamber 14 and fed clean, cold fresh water.
the fresh water is circulated during the intermediate rinse 8 for a period of about 5 min and heats up especially by contact with or by heat transfer from the still warm dishes 28 and possibly a heat exchanger 38 (FIG. Fig. 4 ).
the intermediate flushing water is pumped out of the washing chamber 14 and fed again cold fresh water.
Fig. 2 illustrates the time characteristic of the temperature in the rinsing chamber for different loadings during the rinse cycle 10 and the drying cycle 12.
the mean curve in Fig. 2 shows the temperature profile in the rinsing chamber for a defined standard loading B standard .
the temperature during the heating phase in the final rinse cycle 10 is in accordance with the mean curve in Fig. 2 regulated to an initial temperature T 0, standard .
T 0 initial temperature
the Eigenhofftrocknungsgang 12 Immediately thereafter begins the Eigenhofftrocknungsgang 12, so the complete evaporation of the water film on the dishes. If a higher or lower load was detected, a correspondingly larger or smaller heating energy input is required for the self-heat drying. Accordingly, the temperature during the heating phase is set to a higher or lower initial temperature T 0 + .DELTA.T or T 0 - ⁇ T for the self-heat drying cycle 12.
the drying cycle 12 begins.
the temperature in the rinsing chamber runs essentially in accordance with a decreasing exponential function. Meanwhile evaporates on the dishes 28 existing moisture film and condenses on a condensation surface.
a temperature T 12 is reached as a characteristic feature, which subsequently changes only insignificantly and marks the achievement of an essentially asymptotic state. Then, the moisture film on the washware 28 is completely evaporated and the drying process 12 can be terminated. Since the achievement of the time t 12 depends on the load, their detection is essential for the control of the drying process in terms of energy input and time course.
the time dependence T1 (t) of an actual temperature T1 in the rinsing chamber during the cooling phase of the cleaning cycle 6, ie the temperature profile over the time t, is detected. From this, the heat capacity of the load as a measure of the actual load B is obtained.
the time dependence T1 (t) of the temperature during the cooling phase essentially follows an exponential function in time t T ⁇ 1 t ⁇ e - C gcs ⁇ t - t 0 ,
C tot C (B) + C (water) represents the total heat capacity than the sum of the heat capacity C (B) of the current loading is B and the heat capacity C (water) of the circulating water is apprehended.
t 0 is the time when the cooling phase begins.
the heat capacity C (water) of the circulated rinsing liquor depends on the amount of water introduced, which is measured when filling the rinsing chamber with fresh water.
the total heat capacity C ges is determined by fitting a fit function to the cooling curve T1 (t) with C ges as fit parameter.
the heat capacity change C (B ist ) by the current load B is calculated by subtracting the measured heat capacity C (water) from the total heat capacity C ges derived from the cooling curve T1 (t).
the mixing temperature which occurs in the intermediate rinse 8 is measured.
a function is adapted to the time dependency of the temperature measured in the intermediate rinse 8 temperature by fitting and from which after feeding the cold fresh water at the beginning the intermediate rinse 8 determined by temperature compensation with the setting of the cleaning cycle 6 still warm items 28 mixing temperature setting as an asymptotic approximation of the temperature-time dependence in the intermediate rinse 8 using known mathematical equations or models for calorimetric temperature mixing.
the in Fig. 3 dishwashing machine shown comprises a washing chamber 14, in which the items to be washed 28 is placed in a loading basket 30, a loading door 16 hinged to the washing chamber 14, a Wassersprüh rotating arm 24 rotatably disposed in the washing chamber 14, a circulating pump arranged below a bottom wall 19 of the washing chamber 14 20 for circulating the scavenge, an inlet 22 a, which connects the circulation pump 20 with the water spray rotary arm 24, a drain 22 b in the bottom wall 19 of the washing chamber 14, which is connected to a suction side of the circulation pump 20, a heater 56 at the inlet 22 a to Heating the circulated water, a first temperature sensor 32 and a second temperature sensor 34, a control unit 58 for controlling the operations and devices of the dishwasher and for reading and evaluating the measurement signals of the temperature sensor 32, 34, a connecting line 48 for the supply of fresh water, a drain line 52 to dissipate consume The flushing liquor and a heating device 56 at the inlet 22a with
the first temperature sensor 32 is arranged in the circulation pump 20 and serves to detect the temperature T1 of the water or the rinsing liquor in the circulation circuit. However, it may also be disposed at other positions in the circulation circuit, such as in the inlet 22a, in the drain 22b or in a depression in the bottom wall of the washing chamber 14 in the vicinity of the opening of the drain 22b.
the second temperature sensor 34 is in contact with the inside wall, d. H. arranged the washing chamber 14 facing wall of the loading door 16 and serves to detect a characteristic of the temperature of a cold surface in the washing chamber 14 reference temperature T2. It can also be arranged, for example, in an operating panel 18 in the loading door 16.
the temperature sensor 32 in the circulation pump 20 detects a temperature profile of the rinsing eye over time and passes the data to the control device 58 on.
the temperature of the rinsing eye is on the one hand by the starting temperature of the Fresh water from the direction of the house installation determined. Since the fresh water first enters the circulation pump 20 before it is pumped further, the sensor 32 can detect its temperature. The fresh water further supplied heating power is also known. The energy losses via the line 22a and the walls of the rinsing chamber 14 are largely constant or of at least relatively little influence. Thus, the regulating device 58 can determine the temperature of the rinsing eye when it enters the rinsing chamber 14 before it hits the ware 28.
the control device 58 can close the degree of loading of the rinsing chamber 14. With a smaller amount of items to be washed 28 is a lower heat capacity in the washing chamber 14, whereby the liquor is cooled less. The ware 28 heats up so faster, which is why the heating phase 4 shortened or the power of the heater 56 can be reduced. Conversely, at a higher load, an extension of the heating phase 4 or an increase in the heating power is required.
a second temperature sensor 34 may be attached to or in the loading door 16.
the loading door 16 represents a relatively cool condensation surface in the drying cycle 12 by self-heating.
the washware 28 heated in the preceding rinse cycle 10 evaporates the moisture adhering to it, which deposits on the loading door 16 as a cool condensation surface.
the course of the temperature of the condensation surface is an indication of the degree of loading of the washing chamber 14. Because a larger amount of items to be washed 28 can bind a correspondingly higher amount of moisture on its surface. The subsequent onset of condensation gives off a larger amount of heat at the condensation surface of the loading door 16, as it is less loaded.
FIG. 4 shown second embodiment of the dishwasher differs from the in Fig. 3 shown first embodiment by serving as a temperature storage water storage 38.
the same elements of the first and second embodiments are designated by the same reference numerals.
the dishwasher after Fig. 4 includes the provided with the controllable connection valve 50 connecting line 48 for filling the heat exchanger 38 with fresh water and a connecting line 40 between the heat exchanger 38 and the circulation pump 20 and arranged in the water tank 38 third temperature sensor 36 for detecting the temperature T3 of the water in the water tank 38th Die Connecting line 40 is opened and closed by the controllable connecting valve 42.
the valve 42 can be controlled via a line 42s to the control unit 58. When the valve 42 is closed and the valve 50 is opened, the water reservoir 38 is filled with cold fresh water. In reverse valve position, it is filled with water from the circulation, which may be heated if necessary.
the water reservoir 38 is formed in the shape of a container arranged parallel to the side wall of the washing chamber 14 and abuts against the side wall.
the third temperature sensor 36 is arranged in contact with the washing chamber 14 facing the wall of the water reservoir 38. To improve the efficiency of the heat drying of the water tank 38 is filled during the drying cycle 12 with cold fresh water. As a result, the water tank 38 facing side wall of the washing chamber 14 to a cooled condensation surface.
the temperature sensor 36 thus fulfills the one hand, the same purpose as the sensor 34 in the last example described. However, since it lies exclusively in the fresh water inflow of the circulating pump 20, it can detect the outlet temperature of the fresh water with a higher accuracy than the temperature sensor 32. It thus provides a better data basis for determining the loading by the control unit 58.

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Washing And Drying Of Tableware (AREA)

EP08860453A 2007-12-11 2008-11-11 Verfahren zur erfassung einer beladungsbedingten wärmekapazitätsänderung eines wasserführenden haushaltsgeräts Active EP2230984B1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL08860453T PL2230984T3 (pl)	2007-12-11	2008-11-11	Sposób określania uwarunkowanej stopniem załadowania zmiany pojemności cieplnej prowadzącego wodę urządzenia gospodarstwa domowego

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102007059517A DE102007059517A1 (de)	2007-12-11	2007-12-11	Verfahren zur Erfassung einer beladungsbedingten Wärmekapazitätsänderung eines wasserführenden Haushaltsgeräts
PCT/EP2008/065295 WO2009074415A1 (de)	2007-12-11	2008-11-11	Verfahren zur erfassung einer beladungsbedingten wärmekapazitätsänderung eines wasserführenden haushaltsgeräts

Publications (2)

Publication Number	Publication Date
EP2230984A1 EP2230984A1 (de)	2010-09-29
EP2230984B1 true EP2230984B1 (de)	2013-01-09

Family

ID=40227548

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08860453A Active EP2230984B1 (de)	2007-12-11	2008-11-11	Verfahren zur erfassung einer beladungsbedingten wärmekapazitätsänderung eines wasserführenden haushaltsgeräts

Country Status (7)

Country	Link
US (1)	US20100258145A1 (zh)
EP (1)	EP2230984B1 (zh)
CN (1)	CN101896111B (zh)
DE (1)	DE102007059517A1 (zh)
ES (1)	ES2400151T3 (zh)
PL (1)	PL2230984T3 (zh)
WO (1)	WO2009074415A1 (zh)

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DE102009039847A1 (de) *	2009-09-03	2011-03-10	BSH Bosch und Siemens Hausgeräte GmbH	Geschirrspülmaschine
DE102009029115A1 (de) *	2009-09-02	2011-03-03	BSH Bosch und Siemens Hausgeräte GmbH	Geschirrspülmaschine sowie Verfahren zum Betrieb einer Geschirrspülmaschine
JP5126301B2 (ja) *	2010-06-25	2013-01-23	パナソニック株式会社	食器洗い機
US9895044B2 (en)	2012-08-28	2018-02-20	Whirlpool Corporation	Dishwasher with controlled dry cycle
DE102013102157B4 (de) *	2013-03-05	2015-02-19	Miele & Cie. Kg	Verfahren zum Betrieb eines mit einer Wärmepumpeneinrichtung ausgrüsteten Geschirrspülautomaten
DK2848180T3 (en) *	2014-05-20	2016-08-22	V Zug Ag	Dishwasher with the cooled vessel wall
US11076742B2 (en) *	2014-06-27	2021-08-03	Electrolux Appliances Aktiebolag	Dishwasher and method of operating the dishwasher
CN105286742B (zh) *	2015-10-22	2018-05-01	佛山市顺德区美的洗涤电器制造有限公司	洗碗机及其餐具重量的检测方法和装置
US20190133412A1 (en) *	2017-11-06	2019-05-09	Haier Us Appliance Solutions, Inc.	Heating assembly for a washing appliance
US20240389827A1 (en) *	2023-05-24	2024-11-28	Bby Solutions, Inc.	Dishwasher Moisture Removal System

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2007
- 2007-12-11 DE DE102007059517A patent/DE102007059517A1/de not_active Withdrawn
2008
- 2008-11-11 US US12/745,699 patent/US20100258145A1/en not_active Abandoned
- 2008-11-11 WO PCT/EP2008/065295 patent/WO2009074415A1/de active Application Filing
- 2008-11-11 ES ES08860453T patent/ES2400151T3/es active Active
- 2008-11-11 CN CN200880120222XA patent/CN101896111B/zh active Active
- 2008-11-11 PL PL08860453T patent/PL2230984T3/pl unknown
- 2008-11-11 EP EP08860453A patent/EP2230984B1/de active Active

Also Published As

Publication number	Publication date
WO2009074415A1 (de)	2009-06-18
CN101896111A (zh)	2010-11-24
EP2230984A1 (de)	2010-09-29
CN101896111B (zh)	2013-01-09
PL2230984T3 (pl)	2013-06-28
US20100258145A1 (en)	2010-10-14
DE102007059517A1 (de)	2009-06-18
ES2400151T3 (es)	2013-04-05

Publication	Publication Date	Title
EP2230984B1 (de)	2013-01-09	Verfahren zur erfassung einer beladungsbedingten wärmekapazitätsänderung eines wasserführenden haushaltsgeräts
EP2289389B1 (de)	2012-04-04	Verfahren zur Trocknungserkennung in Geschirrspülmaschinen
EP2315545B1 (de)	2020-11-04	Spülverfahren für eine geschirrspülmaschine
DE102007019295A1 (de)	2007-10-31	Geschirrspüler und zugehöriges Steuerungsverfahren
DE102013106775A1 (de)	2014-03-06	Geschirrspüler mit gesteuertem trockengang
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