CA2187993A1 - Process for operating a dishwasher - Google Patents
Process for operating a dishwasherInfo
- Publication number
- CA2187993A1 CA2187993A1 CA 2187993 CA2187993A CA2187993A1 CA 2187993 A1 CA2187993 A1 CA 2187993A1 CA 2187993 CA2187993 CA 2187993 CA 2187993 A CA2187993 A CA 2187993A CA 2187993 A1 CA2187993 A1 CA 2187993A1
- Authority
- CA
- Canada
- Prior art keywords
- value
- fact
- temperature gradient
- wetting
- same time
- 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.)
- Abandoned
Links
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
- 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
- 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
- A47L2501/12—Air blowers
-
- 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
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
At the end of a wash program in a dishwasher, a drying cycle runs to dry the objects being washed. The parameters for the drying cycle, such as the drying time (t?) and activation of extra heat energy is a heater (Hzg), are set depending on the amount of water necessary to wet the objects being washed and on the value of the a gradient for the temperature increase when the rinse liquid is being heated. The drying parameters are set in the electronic program control (EL), which comes to conclusions about the objects being washed with the help of a temperature sensor (TS) and a fill-status sensor (DW) using fuzzy logic, and then controls extra energy (Hzg) needed and blow-drying (GT), and also calculates drying time (t?) needed.
Description
2 1 8;7~3 3 The invention concerns a process for operating a 4 dishwasher according to the amount of water required and the temperature gradient in heating the water.
6 When a dishwasher with a wash compartment is operated, 7 usually a wash program with a drying cycle is performed, in 8 which any rinse liquid still adhering to the objects being 9 washed is dried off. To do this, the inherent heat stored in the objects being washed, which was transferred to the 11 objects when they were washed with hot wash liquid, is used 12 as a heat source during an evaporation cycle.
13 It is also common to turn on a heater during the 14 drying cycle to heat the wash liquid, at least for a time, as an additional heat source. The evaporated liquid 16 condenses on the walls of the wash compartment, which are 17 cooler than the objects being washed.
18 Dishwashers are also known in which the moist air in 19 the wash compartment is removed by blow drying, and fresh air is mixed in.
21 All these drying processes are based on a fixed basic 22 setting with a fixed drying time. In some cases, the 23 operator of the dishwasher can choose extra power and/or 24 blow drying.
However, the amount of objects being washed and their 26 composition do not enter into determining the process of 27 the drying cycle. In practice, it has been shown that some 28 dishes with a low specific heat capacity, for example, 29 those made of plastic, are not dried very thoroughly because of the rigid drying cycle. Dishes with a high 31 specific heat capacity, for example dishes made of 32 earthenware, need only a slight addition of energy for good 33 drying results. The preset drying parameters are based on 34 a standard load, and so there is no adjustment of the 1 drying cycle when most of the load contains dishes that 2 have a greater of lesser specific heat capacity.
3 German patent application P 195 05 552 proposes 4 determining the amount of water necessary to wet the objects being rinsed so as to be able to use that value to 6 figure out the surface area of the objects being rinsed.
7 Information can also be obtained on the mass of the objects 8 being rinsed via a value for the gradient of the 9 temperature increase measured.
These variables, the wetting value and the temperature 11 gradient value, which are both indefinite variables in the 12 sense of fuzzy logic, are preferably converted into an 13 approximate degree of wash load using a fuzzy logic 14 control. Individual cycies in the wash program or other parameters, like for example the spray pressure on the 16 objects being rinsed, are influenced by this degree of 17 load.
19 The invention provides a process for operating a dishwasher that considers the surface area of objects being 21 washed and their composition during the drying cycle in 22 order to adjust the process to the load in the drying 23 cycle. The parameters of the drying cycle are set 24 depending on the wetting value and the value of the temperature gradient.
26 By having the parameters for the drying cycle in the 27 dishwasher dependent on the wetting value and the 28 temperature gradient of the objects, the amount of objects 29 and their composition are considered during the drying cycle in that the process is adjusted to the load in the 31 drying cycle.
32 In one mode of operation according to the invention, 33 conclusions can be drawn on the surface and mass of the 34 objects using a wetting value corresponding to the amount of water necessary to wet the objects and a value for the 1 gradient of the temperature increase.
2 Using these two variables, an estimate of the amount 3 of objects and their composition can be made. Thus, for 4 example, a very high wetting value and at the same time a high gradient for the temperature change suggests a high 6 proportion of plastic dishes. Since they have a low 7 specific heat capacity, the drying time is extended and/or 8 the energy is increased compared to a basic drying cycle, 9 which comes from a standard load, for example. The extra energy can be achieved with timed heat by extending the 11 turned-on phases and/or increasing the switching frequency 12 of the heater.
13 On the other hand, if a smaller wetting value with a 14 very small gradient for ~he temperature change is detected, this can show that most of the dishes are made of 16 earthenware. In this case, it may be possible to reduce 17 the drying time, or potentially even do without the extra 18 heating.
19 The invention will be explained in greater detail below using an example of embodiment.
22 Fig. 1 Shows a basic diagram of an electronic 23 program control of a dishwasher with input variables 24 according to the invention and controlled components and output variables influenced;
26 Fig. 2 Shows a simplified graph of the fill-level 27 process correlated with time; and 28 Fig. 3 Shows the temperature of two different loads 29 B1 and B2 and a standard load BN in the heat-up phase correlated with the time.
2 ~ 87993 2 A dishwasher is provided with a wash compartment (not 3 shown). Referring to Fig. 1, the dishwasher has a sensor 4 TS and a pneumatically switched pressure monitor DW that senses the fill level of the liquid running in. This 6 pressure monitor DW stops the water feed when the fill 7 amount f~ is sufficient for washing by closing a magnetic 8 valve MV controlling water flow into the wash compartment.
9 Two conditions that are particularly relevant for saving resources, namely reaching a necessary temperature Tm 11 and fill quantity f~, are detected by an electronic program 12 control EL via the respective sensor device, temperature 13 sensor TS or pressure monitor DW.
14 Exemplary dishwasher loads B1 and B2 are washed in the dishwasher in two separate wash cycles. The two loads Bl, 16 B2 have approximately the same total surface area, but load 17 B1 has a higher proportion of plastic dishes while load B2 18 contains mostly earthenware. BN represents a standard load 19 with predefined plastic and earthenware proportions and also approximately the same total surface area as Bl and 21 B2. Using the standard load BN' a basic program for the 22 drying cycle is defined with standard values for wetting 23 value and temperature gradient.
24 The electronic program control EL detects the length of inlet times ~ t1 and a t2 in each rinse cycle from the 26 fill level time in Fig. 2. Here, ~ t1 is the time from 27 when the water flows in up to the first time the pressure 28 monitor DW is turned on indicating that the water level is 29 sufficient. This time ~ t1 is approximately the same for all rinse cycles. After the pressure monitor DW is turned 31 on at time tu, water circulation is started.
32 The fill level falls as a result of the liquid that 33 circulates and sticks to the objects being washed in the 34 dishwasher. When a set, decreased fill level fR is reached, the pressure monitor DW is switched off. Water then flows 36 in again depending on the total surface area of the objects 1 being washed, which represent a surface to which the 2 circulating liquid can adhere. If the surface area of the 3 objects being washed is large, a lot of li~uid is adhered 4 to the ob;ects, and the fill level in the starting phase of the circulating cycle falls sharply. The time A t2 for 6 this new water to flow in and balance out the fall in the 7 fill level is thus a variable and depends on the liquid 8 adhered to the surface of the objects being rinsed. In the 9 case of the two loads B1 and B2, if the total surface area lo of the objects being rinsed is approximately the same, the 11 refill time is approximately equal to ~ t2 in both.
12 The electronic program control EL detects the time 13 difference necessary to heat the rinse liquid to a 14 temperature Tm as another parameter for the load. Fig. 3 shows the temperature over time of the ]oads B1 and B2.
16 The two different temperature curves and heat-up times ~ t3 17 and Q t4 result from the different specific heat capacities 18 of the loads B1 and B2.
19 These two time differences dependent on the load ~ t2 20 and ~ t3 or ~ t4 are input to the electronic program 21 control EL, which preferably contains a fuzzy logic 2 2 control. The amount and type of load is determined using 23 fuzzy logic curves stored in tables.
24 The load B1 with a high proportion of plastic, because 25 of the relatively low inherent heat stored in the objects 26 being washed, requires more drying compared to the standard 27 load BN. The extra drying is accomplished by providing 28 extra energy to the heater Hzg and/or by extending the 29 drying time tT. If ~ t3 and the heat-up time ~ tN dependent on a st~n~rd load BN deviate sharply from one another, in 31 addition to the measures mentioned above, a blow dryer GT
32 in the dishwasher is activated that does not operate in the 33 basic program for the standard load BN.
34 In the case of load B2 with a high proportion o~
earthenware, the extra energy from the heater ~zg is 36 completely omitted. The high inherent heat stored in the 2 1 8 7 ~9 3 1 objects, which is indicated by the long heat-up time ~ t4, 2 is enough by itself for good drying results.
3 The embodiments described herein are exemplary. The 4 invention includes modifications within the scope of the claims~
6 When a dishwasher with a wash compartment is operated, 7 usually a wash program with a drying cycle is performed, in 8 which any rinse liquid still adhering to the objects being 9 washed is dried off. To do this, the inherent heat stored in the objects being washed, which was transferred to the 11 objects when they were washed with hot wash liquid, is used 12 as a heat source during an evaporation cycle.
13 It is also common to turn on a heater during the 14 drying cycle to heat the wash liquid, at least for a time, as an additional heat source. The evaporated liquid 16 condenses on the walls of the wash compartment, which are 17 cooler than the objects being washed.
18 Dishwashers are also known in which the moist air in 19 the wash compartment is removed by blow drying, and fresh air is mixed in.
21 All these drying processes are based on a fixed basic 22 setting with a fixed drying time. In some cases, the 23 operator of the dishwasher can choose extra power and/or 24 blow drying.
However, the amount of objects being washed and their 26 composition do not enter into determining the process of 27 the drying cycle. In practice, it has been shown that some 28 dishes with a low specific heat capacity, for example, 29 those made of plastic, are not dried very thoroughly because of the rigid drying cycle. Dishes with a high 31 specific heat capacity, for example dishes made of 32 earthenware, need only a slight addition of energy for good 33 drying results. The preset drying parameters are based on 34 a standard load, and so there is no adjustment of the 1 drying cycle when most of the load contains dishes that 2 have a greater of lesser specific heat capacity.
3 German patent application P 195 05 552 proposes 4 determining the amount of water necessary to wet the objects being rinsed so as to be able to use that value to 6 figure out the surface area of the objects being rinsed.
7 Information can also be obtained on the mass of the objects 8 being rinsed via a value for the gradient of the 9 temperature increase measured.
These variables, the wetting value and the temperature 11 gradient value, which are both indefinite variables in the 12 sense of fuzzy logic, are preferably converted into an 13 approximate degree of wash load using a fuzzy logic 14 control. Individual cycies in the wash program or other parameters, like for example the spray pressure on the 16 objects being rinsed, are influenced by this degree of 17 load.
19 The invention provides a process for operating a dishwasher that considers the surface area of objects being 21 washed and their composition during the drying cycle in 22 order to adjust the process to the load in the drying 23 cycle. The parameters of the drying cycle are set 24 depending on the wetting value and the value of the temperature gradient.
26 By having the parameters for the drying cycle in the 27 dishwasher dependent on the wetting value and the 28 temperature gradient of the objects, the amount of objects 29 and their composition are considered during the drying cycle in that the process is adjusted to the load in the 31 drying cycle.
32 In one mode of operation according to the invention, 33 conclusions can be drawn on the surface and mass of the 34 objects using a wetting value corresponding to the amount of water necessary to wet the objects and a value for the 1 gradient of the temperature increase.
2 Using these two variables, an estimate of the amount 3 of objects and their composition can be made. Thus, for 4 example, a very high wetting value and at the same time a high gradient for the temperature change suggests a high 6 proportion of plastic dishes. Since they have a low 7 specific heat capacity, the drying time is extended and/or 8 the energy is increased compared to a basic drying cycle, 9 which comes from a standard load, for example. The extra energy can be achieved with timed heat by extending the 11 turned-on phases and/or increasing the switching frequency 12 of the heater.
13 On the other hand, if a smaller wetting value with a 14 very small gradient for ~he temperature change is detected, this can show that most of the dishes are made of 16 earthenware. In this case, it may be possible to reduce 17 the drying time, or potentially even do without the extra 18 heating.
19 The invention will be explained in greater detail below using an example of embodiment.
22 Fig. 1 Shows a basic diagram of an electronic 23 program control of a dishwasher with input variables 24 according to the invention and controlled components and output variables influenced;
26 Fig. 2 Shows a simplified graph of the fill-level 27 process correlated with time; and 28 Fig. 3 Shows the temperature of two different loads 29 B1 and B2 and a standard load BN in the heat-up phase correlated with the time.
2 ~ 87993 2 A dishwasher is provided with a wash compartment (not 3 shown). Referring to Fig. 1, the dishwasher has a sensor 4 TS and a pneumatically switched pressure monitor DW that senses the fill level of the liquid running in. This 6 pressure monitor DW stops the water feed when the fill 7 amount f~ is sufficient for washing by closing a magnetic 8 valve MV controlling water flow into the wash compartment.
9 Two conditions that are particularly relevant for saving resources, namely reaching a necessary temperature Tm 11 and fill quantity f~, are detected by an electronic program 12 control EL via the respective sensor device, temperature 13 sensor TS or pressure monitor DW.
14 Exemplary dishwasher loads B1 and B2 are washed in the dishwasher in two separate wash cycles. The two loads Bl, 16 B2 have approximately the same total surface area, but load 17 B1 has a higher proportion of plastic dishes while load B2 18 contains mostly earthenware. BN represents a standard load 19 with predefined plastic and earthenware proportions and also approximately the same total surface area as Bl and 21 B2. Using the standard load BN' a basic program for the 22 drying cycle is defined with standard values for wetting 23 value and temperature gradient.
24 The electronic program control EL detects the length of inlet times ~ t1 and a t2 in each rinse cycle from the 26 fill level time in Fig. 2. Here, ~ t1 is the time from 27 when the water flows in up to the first time the pressure 28 monitor DW is turned on indicating that the water level is 29 sufficient. This time ~ t1 is approximately the same for all rinse cycles. After the pressure monitor DW is turned 31 on at time tu, water circulation is started.
32 The fill level falls as a result of the liquid that 33 circulates and sticks to the objects being washed in the 34 dishwasher. When a set, decreased fill level fR is reached, the pressure monitor DW is switched off. Water then flows 36 in again depending on the total surface area of the objects 1 being washed, which represent a surface to which the 2 circulating liquid can adhere. If the surface area of the 3 objects being washed is large, a lot of li~uid is adhered 4 to the ob;ects, and the fill level in the starting phase of the circulating cycle falls sharply. The time A t2 for 6 this new water to flow in and balance out the fall in the 7 fill level is thus a variable and depends on the liquid 8 adhered to the surface of the objects being rinsed. In the 9 case of the two loads B1 and B2, if the total surface area lo of the objects being rinsed is approximately the same, the 11 refill time is approximately equal to ~ t2 in both.
12 The electronic program control EL detects the time 13 difference necessary to heat the rinse liquid to a 14 temperature Tm as another parameter for the load. Fig. 3 shows the temperature over time of the ]oads B1 and B2.
16 The two different temperature curves and heat-up times ~ t3 17 and Q t4 result from the different specific heat capacities 18 of the loads B1 and B2.
19 These two time differences dependent on the load ~ t2 20 and ~ t3 or ~ t4 are input to the electronic program 21 control EL, which preferably contains a fuzzy logic 2 2 control. The amount and type of load is determined using 23 fuzzy logic curves stored in tables.
24 The load B1 with a high proportion of plastic, because 25 of the relatively low inherent heat stored in the objects 26 being washed, requires more drying compared to the standard 27 load BN. The extra drying is accomplished by providing 28 extra energy to the heater Hzg and/or by extending the 29 drying time tT. If ~ t3 and the heat-up time ~ tN dependent on a st~n~rd load BN deviate sharply from one another, in 31 addition to the measures mentioned above, a blow dryer GT
32 in the dishwasher is activated that does not operate in the 33 basic program for the standard load BN.
34 In the case of load B2 with a high proportion o~
earthenware, the extra energy from the heater ~zg is 36 completely omitted. The high inherent heat stored in the 2 1 8 7 ~9 3 1 objects, which is indicated by the long heat-up time ~ t4, 2 is enough by itself for good drying results.
3 The embodiments described herein are exemplary. The 4 invention includes modifications within the scope of the claims~
Claims (19)
1. A process for operating a dishwasher comprising the steps of determining a load-dependent wetting value corresponding to an amount of water necessary to wet objects being washed; determining a gradient value for a temperature increase of a rinse liquid during heating; and running a drying cycle at the end of a wash program, characterized by the fact that parameters of the drying cycle are set depending on the wetting value and the value of the temperature gradient.
2. A process according to Claim 1, characterized by the fact that if the wetting value and the temperature gradient value are both higher than predetermined standard values at the same time, drying time is extended compared to a basic setting.
3. A process according to Claim 1, characterized by the fact that when the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, extra energy is added for heating during the drying cycle.
4. A process according to Claim 3, characterized by the fact that the extra energy addition is timed and the extra energy is added by increasing at least one of the duration and switching frequency of heating during the drying cycles.
5. A process according to Claim 1, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, a blow dryer (GT) built into the dishwasher is activated.
6. A dishwasher comprising a program control in which a load-dependent wetting value corresponding to an amount of water necessary to wet objects being washed and a value for a gradient of the temperature increase in the rinse liquid can be determined characterized by the fact that the control can adjust parameters for a drying phase run at the end of a wash program depending on the wetting value and the value of the temperature gradient.
7. A dishwasher according to Claim 6, characterized by the fact that the drying cycle includes parameters for extra energy and drying time.
8. A dishwasher according to Claim 6, characterized by the fact that when the wetting value and the value of the temperature gradient are both higher than a predetermined standard value at the same time, a blow dryer (GT) in the dishwasher can be activated.
9. A dishwasher according to Claim 7, characterized by the fact that when the wetting value and the value of the temperature gradient are both higher than a predetermined standard value at the same time, a blow dryer (GT) in the dishwasher can be activated.
10. A process according to Claim 2, characterized by the fact that when the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, extra energy is added for heating during the drying cycle.
11. A process according to Claim 10, characterized by the fact that the extra energy addition is timed and the extra energy is added by increasing at least one of the duration and switching frequency of heating during the drying cycles.
12. A process according to Claim 1, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
13. A process according to Claim 6, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
14. A process according to Claim 7, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
15. A process according to Claim 2, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
16. A process according to Claim 3, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
17. A process according to Claim 4, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
18. A process according to Claim 10, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
19. A process according to Claim 11, characterized by the fact that if the wetting value and the value of the temperature gradient are both higher than predetermined standard values at the same time, at least one of the duration and switching frequency of operation of a timed blow dryer are increased.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19538580.2 | 1995-10-17 | ||
| DE1995138580 DE19538580B4 (en) | 1995-10-17 | 1995-10-17 | Method for operating a dishwasher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2187993A1 true CA2187993A1 (en) | 1997-04-18 |
Family
ID=7775038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2187993 Abandoned CA2187993A1 (en) | 1995-10-17 | 1996-10-16 | Process for operating a dishwasher |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2187993A1 (en) |
| DE (1) | DE19538580B4 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100258145A1 (en) * | 2007-12-11 | 2010-10-14 | BSH Bosch und Siemens Hausgeräte GmbH | Method for detecting a load-related change in thermal capacity of a water-bearing domestic appliance |
| US8696824B2 (en) | 2009-02-04 | 2014-04-15 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
| US10295256B2 (en) | 2009-02-04 | 2019-05-21 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19855779A1 (en) * | 1998-12-03 | 2000-06-08 | Miele & Cie | Method for rinsing liquid for water-conducting domestic unit, especially program-controlled dishwasher involves operating heater in on/off switching intervals stored in program for calling up |
| DE10255380A1 (en) * | 2002-11-27 | 2004-06-09 | BSH Bosch und Siemens Hausgeräte GmbH | System for recognizing the amount of dishes in the dishwasher rinsing container and dishwasher |
| DE10360554A1 (en) * | 2003-12-22 | 2005-07-14 | BSH Bosch und Siemens Hausgeräte GmbH | Dishwasher with a system for level detection |
| DE102006042486B3 (en) * | 2006-09-07 | 2007-11-15 | Miele & Cie. Kg | Washing goods cleaning and drying method for e.g. dishwasher, involves determining air temperature as surrounding variable at installation location of washing machine during utilization of air-air-heat exchanger |
| DE102019134182A1 (en) * | 2019-12-12 | 2021-06-17 | Miele & Cie. Kg | Method and device for operating a cleaning device and cleaning device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0260624A (en) * | 1988-08-29 | 1990-03-01 | Matsushita Seiko Co Ltd | Dish drier |
| DE19505552A1 (en) * | 1995-02-18 | 1996-08-22 | Aeg Hausgeraete Gmbh | Method for operating a dishwasher |
-
1995
- 1995-10-17 DE DE1995138580 patent/DE19538580B4/en not_active Expired - Lifetime
-
1996
- 1996-10-16 CA CA 2187993 patent/CA2187993A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100258145A1 (en) * | 2007-12-11 | 2010-10-14 | BSH Bosch und Siemens Hausgeräte GmbH | Method for detecting a load-related change in thermal capacity of a water-bearing domestic appliance |
| US8696824B2 (en) | 2009-02-04 | 2014-04-15 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
| US9907450B2 (en) | 2009-02-04 | 2018-03-06 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
| US10295256B2 (en) | 2009-02-04 | 2019-05-21 | Electrolux Home Products, Inc. | Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19538580B4 (en) | 2008-07-24 |
| DE19538580A1 (en) | 1997-04-24 |
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