EP1835837A1 - Verfahren und anordnung zum energiesparenden betrieb von spülmaschinen - Google Patents
Verfahren und anordnung zum energiesparenden betrieb von spülmaschinenInfo
- Publication number
- EP1835837A1 EP1835837A1 EP05777541A EP05777541A EP1835837A1 EP 1835837 A1 EP1835837 A1 EP 1835837A1 EP 05777541 A EP05777541 A EP 05777541A EP 05777541 A EP05777541 A EP 05777541A EP 1835837 A1 EP1835837 A1 EP 1835837A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power
- dishwasher
- consumer
- operating state
- max
- 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
-
- 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
- A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
- A47L15/247—Details specific to conveyor-type machines, e.g. curtains
-
- 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
- A47L15/0047—Energy or water consumption, e.g. by saving energy or water
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- 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
- A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
- A47L15/241—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors the dishes moving in a horizontal plane
- A47L15/245—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors the dishes moving in a horizontal plane the dishes being placed directly on the conveyors, i.e. not in dish racks
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- 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
- A47L15/0076—Washing or rinsing machines for crockery or tableware of non-domestic use type, e.g. commercial dishwashers for bars, hotels, restaurants, canteens or hospitals
- A47L15/0078—Washing or rinsing machines for crockery or tableware of non-domestic use type, e.g. commercial dishwashers for bars, hotels, restaurants, canteens or hospitals with a plurality of fluid recirculation arrangements, e.g. with separated washing liquid and rinsing liquid recirculation circuits
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- 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
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- 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
- A47L2501/06—Water heaters
Definitions
- the invention relates to a method and an arrangement by means of which the operation of dishwashers can be made more energy-efficient.
- the invention should enable an energy-saving operation of multi-tank dishwashers with rinsing zones, Klar ⁇ rinsing zone and drying zone.
- Known machines such as the dishwashing and drying system described in DE 44 36 359 C2, have typically installed heaters for the individual consumers, ie for the individual zones. These heaters are sufficient to cover the most unfavorable energy requirements. Unfavorable energy requirement is the amount of energy that is required for the rated output of the machine.
- the heating capacities of the individual zones are different depending on the method used.
- the installed heating capacities are switched on and off depending on the current energy requirement.
- FIG. 1 shows by way of example a multi-tank dishwasher 110 corresponding to the state of the art.
- items 9 in the inlet 1 are fed onto a transport device 11 and then in the direction 10 through the
- Zone pre-cleaning 2 main cleaning 3
- pump clearing 4 fresh water rinsing
- Zones 2, 3, 4 after the machine 110 has been switched on, the respective cleaning solution is provided in the tanks 13, 17, 21 and, with heaters 14, 18, 22 at operating temperature. temperature brought. The machine is ready for operation after preset preset temperatures have been reached in the tanks 13, 17, 21.
- the transport can then be switched on, wherein items 9 are placed on the transport device 11 and subsequently transported through zones 1 to 8.
- the items to be washed 9 are applied and cleaned by means of pumps 15, 19, 23 and via the rinsing systems 16, 20, 24 with corresponding cleaning solutions.
- the items to be washed 9 are supplied with fresh water via a spray system 28, which has previously been heated via a heat exchanger 29 and a heating element 26. In this case, residues of the cleaning solutions are washed off.
- a spray system 28 which has previously been heated via a heat exchanger 29 and a heating element 26.
- residues of the cleaning solutions are washed off.
- fresh water is preheated via warm exhaust air 31 of the dishwasher 110. The fresh water is then further heated in a heating element 26, in order subsequently to be supplied to the spray system 28.
- the items to be washed 9 are then applied after rinsing in zone 5 in the drying zone 7 via a fan 32 and a heater 33 with hot air 34 and thereby getrock ⁇ net.
- the cleaned, rinsed and dried items 9 can then be removed in the outlet 8 of the dishwasher 110.
- Table 1 shows examples of typical services provided by consumers of the illustrated machine 110. Only performances of the heating elements 14, 18, 22, 26 and 33 are listed for simplicity. Not taken into account in this simplified example, the required performance of the pumps 15, 19 and 23, with which the spray systems 16, 20 and 24 are applied, and the required drive power for the drive of the transport device 11, the exhaust fan 30, the fan of the drying zone 32nd and other unrepresented consumers.
- the connected value for the heating elements in this example according to the state of the art results in a total power of 47 kW.
- the heating elements 26 and 33 are typically not turned on. With these 24 kW results in a typical heating time for the tanks 13, 17 and 21 and thus a certain predetermined time until the operational readiness of the dishwasher 110.
- the heaters 26 and 33 are then additionally switched on with an additional heating power of 18 or 9 kW for heating the fresh water and the drying air.
- all heating elements 14, 18, 22, 26 and 33 are then switched on or off, depending on whether the respective predetermined setpoint temperatures in these zones are reached or not. When falling below predetermined setpoint temperatures, only the installed power for afterheating is available.
- the heating powers of the heating elements 14, 18, 22, 26 and 33 are switched on and off at different times.
- Dishwashers of the type described have numerous disadvantages, which mostly result from the fact that the operation of such dishwashers is energetically very uneconomical. These disadvantages are in particular related to the fact that the supplied electrical power may not exceed a predetermined maximum value. This maximum value determines in particular the design of the electrical leads and the electronics.
- the individual consumers of the dishwasher are usually independently von ⁇ each adapted to the respective needs, so that in the worst case, all consumers are operated at the highest power. Typically, consumers are operated in such a way that they are either switched off or switched on at a predetermined level of performance. The maximum value of the total power supplied must therefore be adapted to this "worst case" in which all consumers are operated at the highest level of performance.
- dishwashers of the type described often prove to be very slow and cumbersome, especially in the starting phase until it reaches operational readiness.
- critical heating elements which are intended to control, for example, reaching an operating temperature in the tanks 13, 17 and 21, can only be operated with a respectively predetermined maximum power, which results from the "worst case" scenario mentioned above result.
- the object of the invention is therefore to provide a method and an arrangement by means of which the operation of dishwashers can be made energy-saving and flexible.
- the dishwasher may in particular be a multi-tank dishwasher.
- the dishwasher should have a total number N> 2 of electrical consumer elements.
- these consumer elements can be, for example, heating elements, pump elements, blowers or drive elements.
- Other consumer elements may also be included, for example, power supplies of control devices or computers.
- a group of n electrical load elements is assigned a maximum total electrical power p max (step 210 in FIG. 2), where n is a natural number with n> 1. Furthermore, n should be less than or equal to the total number N of the electrical Thus, all or even some of the consumer elements of the dishwasher may be involved in the process.
- each electrical load element i of the group of n electrical load elements is assigned a finite number mj of discrete electrical power levels pi j (step 220 in FIG. 2).
- ⁇ ii should assume at least the value 2.
- the first index i of the discrete electrical power levels pi j is a natural number which numbers the electrical consuming elements and where i £ ⁇ 1, ..., n ⁇ .
- the second index, j the individual roast ⁇ level are numbered for a particular consumer i.
- j is also a natural number, which is greater than zero and can take on the value mi at most: 0 ⁇ j ⁇ mj.
- a maximum power level is allocated pj max, so that pi j for all i, j p a maximum value; max can accept. The sum of all maximum
- Power level pi max forms a so-called "worst-case total power" p woraf.
- the maximum total electrical power p max should be less than the worst-case total power.
- tion p worst In contrast to the prior art, in which typically p worst is divided directly among the individual consumer elements, this condition ensures that the entire power requirement of the dishwasher is lowered.
- each consumer element i is assigned a so-called “regular power level” pi r eg, which lies between zero and the respective maximum power level pi max .
- regular power levels are just chosen such that the sum of the regular power levels over all the consumer elements i is just equal to the maximum total electrical power p max . The maximum total electrical power is thus "split up" to the individual consumer elements i.
- a so-called “demand determination step” is carried out (step 230 in FIG. 2), whereby an optimum combination of performance levels pi j (B) is selected, depending on an operating state B of the dishwasher, wherein the selected one for each consumer element i Power level Pi j (B) is adapted to the power requirement of the consumer i in Be ⁇ operating state B.
- An operating state is characterized, for example, by an operating phase in which the operation of the dishwasher is currently in progress (eg start phase, switch-on phase, load control phase) or, for example, additionally by corresponding operating parameters or operating state variables, for example by measured values of specific sensors in the Dishwasher (eg temperature sensors, flow sensors, pressure sensors).
- each operating state B can be characterized by an operating phase variable F and / or a plurality of operating state variables, wherein the operating phase variable F can assume at least three discrete values F 1 , F 2 , F 3 .
- Fi denotes a start phase of the operation of the dishwasher
- F 2 designates a switch-on phase of the operation of the dishwasher
- F 3 a load control phase of the operation of the dishwasher.
- the power levels pij (B) are selected such that the sum of all power levels pi j (B) occupies at most the value p max .
- the method is carried out in such a way that this sum just reaches the value p max again or only slightly below that, so that the entire available power is optimally utilized.
- the power is thus distributed, controlled by the respective demand, according to the discrete power level pi j of the individual consumer elements, in each case the total sum of the power is as high as possible and with the highest consumers currently required the greatest possible power , It is also possible to preset priorities, that is, for example, that certain heating elements in the dishwasher, especially certain heating elements heating water in one or more water tanks and / or water circuits, should first be allocated the greatest possible power before other, lower priority elements beauf ⁇ be hit.
- the fixed power levels can be achieved in practice, for example, that in individual electrical supplies of individual consumer elements already fixed
- certain voltage dividers can be used with fixed predetermined
- the power zero can also be used, that is to say if a power level exists for each consumer element in which the electrical power is not applied to the consumer element. Furthermore, it is advantageous if exactly three power levels are provided for each load element, in particular zero, pi reg and pi max . This simple design tion is particularly easy to implement circuitry and already has all the advantages of the invention.
- each consumer i is charged with the power determined for it in each case (step 240 in FIG. 2).
- the allocation of the power in practice with high probability never fully corresponds exactly to the respective target value, but that, for example, due to technical tolerances (eg tolerances of electronic components), slight deviations may occur.
- the deviations of the power levels with which the consumers are actually charged are not more than 10%, preferably not more than 5%, of the respective desired value.
- the method described also partly considerably influences the functionality of the dishwashing machine.
- the starting phase or heating phase that is to say the phase after the dishwasher has been put into operation until it is actually ready for operation
- the method described above can be extended by a number of advantageous embodiments, whereby the above-described relations between the individual characteristic variables, in particular between the different powers of the individual consumer elements, should always be taken into account. This means, in particular, that the total sum of the allocated services of the individual consumers should not exceed the permissible total output p m ax.
- the dishwasher is first started, whereby a start phase is marked. Then at least one Temperature of at least one rinsing liquid, in particular a temperature of water in at least one water tank and / or water cycle detected. This can be done in particular by means of one or more temperature sensors.
- the at least one rinsing liquid is then heated by means of at least one heating element, wherein the respective heating heating element (which represents the Strategicele ⁇ ment 1 with IE - [I, ..., n ⁇ ) with this heating element associated maximum power level p lmax is operated.
- the heating elements required for the starting phase is therefore initially supplied with the greatest possible electrical power.
- the power of at least one additional consumer element which is less strongly required in the starting phase must correspondingly be reduced.
- At least one consumer element q different from the heating element 1 is operated with q G ⁇ 1,..., N ⁇ and q ⁇ 1 with a lower power than the regular power level p qr eg assigned to this consumer element q.
- a switch-on phase is started.
- the power of all the consumer elements i is then first set to the respectively assigned regular power levels p ⁇ g .
- At least one operating state variable is detected, which, as already mentioned above, can be, for example, the measured values of different sensors.
- At least one operating state variable is assigned a setpoint.
- These may be, for example, preset setpoint values, for example setpoint values stored in a data memory or in an electronic table, or else setpoints that can be influenced by a user.
- a user can change certain setpoint specifications during operation of the machine, for example the temperature in certain areas of the machine, as a result of which the operation of the dishwasher can be influenced. If it is determined (for example by a simple comparator) that the value of the at least one operating state variable deviates by more than a predefined tolerance from the respective associated setpoint value, a load control phase is started.
- This load control phase can be designed, for example, such that at least one consumer element r influencing the corresponding deviating operating state variable is operated with r G ⁇ 1,..., N ⁇ at a power deviating from its regular power level p ne g.
- a heating element which heats the liquid in this tank can temporarily be operated with increased power, for example with the associated maximum power pi max .
- the power of at least one further consumer element must be reduced so that the total sum of the powers in turn does not exceed the maximum total power p max .
- this assignment of services can take place, for example, in that a corresponding set of performance levels for this scenario is stored in an electronic table.
- This load control mode is maintained until the at least one operating state variable again assumes a value that deviates by no more than the specified tolerance from its setpoint.
- the scope of the invention includes a computer program which, when running on a computer or computer network, carries out the method according to the invention in one of its embodiments.
- the scope of the invention includes a computer program with program code means for carrying out the method according to the invention in one of its embodiments when the program is executed on a computer or computer network.
- the program code means may be stored on a computer-readable medium.
- FIG. 1 shows a prior art tape transporting dishwashing machine
- FIG. 2 is a flowchart of a simple embodiment of the invention
- FIG. 3 shows a schematic arrangement for carrying out the described method with a belt transporting dishwashing machine
- FIG. 4 shows a schematic arrangement for carrying out the method described with a single-chamber dishwasher.
- FIG. 3 shows a preferred arrangement with which the method described above can be carried out.
- the apparatus has a continuous-flow dishwasher, in particular a belt-transporting dishwashing machine, analogous to the dishwasher 110 shown in FIG.
- the illustrated elements correspond to the respective elements of the dishwasher 110 in Figure 1 or are the same in their function. Alternatively, other types of dishwashers could be used.
- the arrangement in FIG. 3 has a computer system with a central processing unit 312 and a data memory 314 (for example, a volatile or non-volatile memory).
- the computer system 310 is connected to the dishwasher 110 via the main control line 316, so that all essential functions of the dishwasher can be controlled via the computer system 310.
- the apparatus shown in FIG. 3 has a plurality of temperature sensors 318 which can detect the temperature in the liquid tanks 13, 17 and 21 as well as in the air flow 34 of the blower 32 and at different locations in the liquid system 28 for the fresh water rinsing 28. Further temperature sensors as well as additional sensors, for example for pressure or flow rate, can be mounted at different points in the system.
- the measurement data of the temperature sensors 318 are detected by means of a central measurement data acquisition unit 320, digitized and made available to the computer system 310.
- the system has five electrical energy sources 322, 324, 326, 328 and 330, which supply the heating elements 14, 18, 22, 26 and 33 with electrical energy.
- the electrical energy sources 322, 324, 326, 328 and 330 are each connected to externally controllable electrical power regulators 332, 334, 336, 338 and 340.
- These externally controllable electrical power regulators 332, 334, 336, 338 and 340 control the electrical power of the electrical energy sources 322, 324, 326, 328 and 330 and in turn are connected to and controllable by the computer system 310.
- the pumps 15, 19 and 23 are provided with corresponding power regulators, which can be controlled by the computer system. These power regulators are not shown in FIG. 3 for the sake of simplicity.
- the described method can be carried out by means of the arrangement shown in FIG. 3, for example as follows.
- the maximum total power p max on which the entire system is dimensioned, should be 45 kW in this example.
- the individual consumer elements are assigned specific performance levels. Typically, these power levels are preset, whereby, for example, various electrical circuits, in particular in the externally controllable voltage regulators 332, 334, 336, 338 and 340 as well as in the power regulators, not shown, of the pumps 15, 19 and 23 can be used. Controlled by the computer system 310 can be switched between these individual electrical circuits, whereby the respective associated consumers 14, 18, 22, 26, 33, 15, 19 and 23 tn.it different power levels can be applied.
- Table 2 shows an example of such an assignment of discrete power levels to the individual consumer elements.
- the first column is in each case the
- the second column shows the respective discrete performance levels. All services are stated in kilowatts.
- the heating elements 14, 18, 22 and 26 each have three power levels, namely pi max , pireg and p; ra in.
- the smallest power level pj m j is set for all listed consumed in this example to zero.
- examples of performance levels are shown in different operating phases, namely in the starting phase (third column), the Ein ⁇ switching phase (fourth column) and the load control phase.
- the fourth column shows typical numerical values of this example according to a conventional control method for the dishwasher 110 shown in FIG.
- the starting phase ie immediately after start-up of the dishwasher 110, first the water tanks 13, 17 and 21 must be brought to the required operating temperature before the rinsing operation of the machine can be recorded.
- the heating elements 14, 18 and 22 are thus allocated the maximum power in this starting phase.
- the heater 26 for the instantaneous water heater, the drying heater 33 and the pumps 15, 19, 23 are not yet needed in this starting phase and therefore set to minimum power, ie in this case to zero power.
- the total power for all consumers is calculated as 45 kW in this starting phase, which corresponds exactly to the maximum value p max specified.
- the sum of the individual powers could also be smaller than p max , but in no case larger.
- the computer system 310 initiates the switch-on phase. Also different intermediate phases, in which, for example, the temperature in individual tanks has already reached the target value, in others, however, not yet, are conceivable.
- the computer system 310 switches over into a load control phase.
- corresponding instructions for action in the form of performance levels for corresponding consumers can be stored in the data memory 314 in one or more look-up tables.
- the power of the heating element 14 is correspondingly set from the regular value 9 kW to the minimum value 0 kW, whereas the power of the heating element 18 is increased from the regular value 6 kW to the maximum value 15 kW.
- the total sum of the powers applied in this case is 43 kW, ie slightly below the permissible maximum value of 45 kW.
- the system switches back to the regular switch-on mode. If deviations are detected again, the described process of the load control is repeated accordingly.
- the arrangement comprises a single-chamber dishwasher 410, which may be, for example, a front-loaded single-chamber dishwasher or a push-through machine.
- a basket 412 is mounted for receiving items 414.
- the dishwasher 410 has a tank 416 for rinsing liquor, which can be heated by a heating element 418. From this tank for rinsing eye 416, rinsing liquid can be applied to the items to be washed 414 by means of a circulating pump 420 via a rinsing system for rinse liquor 422, which is provided with a plurality of nozzles 424.
- the dishwasher 410 has a fresh water tank 426, which is designed as a boiler.
- the fresh water tank 426 can be filled via a filling valve 428 with fresh water 430.
- the fresh water tank has a heating element 432, by means of which the fresh water 430 can be heated for a rinse at elevated temperatures.
- the fresh water tank 426 is always filled with fresh water 430 up to the cover level 434 of the heating element 432.
- the fresh water tank 426 is connected to the interior of the dishwasher 410 via a vent line 436.
- fresh water 430 is sucked in from the fresh water tank 426 at the suction point 438 by means of a fresh water pump 438 and fed to the items 414 via a rinse system for fresh water 440 and a plurality of rinse nozzles 442.
- the arrangement in FIG. 4 also has a computer system 310 with a central processing unit 312 and a data memory 314.
- the computer system is connected to the dishwasher 410 via a main control line 316, so that all essential functions of the dishwasher 410 can be controlled via the computer system 310.
- the arrangement has two electrical power supplies 444, 446 for the pumps 420 and 438 and electrical power supplies 448 and 450 for the heating elements 418 and 432.
- the electrical power supplies 444, 446, 448, 450 correspond in their function to the power supplies 322, 324, 326, 328, 330 in FIG. 3.
- the power of the electrical power supplies 444, 446, 448, 450 can in turn be adjusted by means of externally controllable electrical power regulator 452, 454, 456, 458, which in turn can be controlled by the computer system 310.
- the tanks 416 and 430 each have temperature sensors 318 whose signals can be detected by means of a measurement data acquisition unit 320 which can be read out by the computer system 310.
- the inventive method can also be implemented with the arrangement shown in Figure 4.
- these power levels can already be fixed in the form of electrical circuits, for example in the power controllers 452, 454, 456 and 458, between which only has to be switched over in order to supply the consumer elements 418, 420, 432 and 438 with the corresponding services.
- the rinsing liquid in the tank for the rinsing 416 must be heated to operating temperature. This rinsing eye is first required during operation, followed by fresh water 430. Therefore, in analogy to the method described above, first the heating element 418 is again subjected to an electrical power corresponding to the maximum power level, whereas the other load elements 420, 432 and 438 be charged with lower power. Thus, for example, the pumps 420, 438 can be completely switched off in this starting phase, that is to say they are subjected to the power zero.
- the computer system 310 starts the switch-on phase and the dishwasher 410 is ready for operation.
- the consumer elements 418, 420, 432 and 438 are then charged with their regular services.
- the further operating phases which have already been described above, can also be carried out in the energy-saving method according to the invention. It should be noted that the regular services for the individual consumer elements 418, 420, 432 and 438 can be selected differently in different operating phases of the dishwasher 410.
- the regular power of the fresh water pump 438 can be set to zero in the phase of cleaning the items to be washed 414 with rinsing liquor from the tank 416, since in this phase, no action is taken on the ware 414 with fresh water 430. Accordingly, then the regular power of this pump 438 is increased in the rinse operation. Alternatively, however, the regular power level of this pump can also be kept constant.
- the method can be adapted to the different operating phases of the single-chamber dishwasher 410 in a simple manner. Also a load control in case of deviation individual operating parameters of their respective setpoint in operation can be carried out according to the inventive method shown above.
- Table 1 typical electrical performances of the consumers of a state of the art dishwasher in normal operation:
- Table 2 Examples of power consumption of individual consumers by the described method in comparison with the prior art:
- CPU 312 central processing unit, CPU 314 data memory
- Heating element for flushing solution 420 Circulation pump
Landscapes
- Washing And Drying Of Tableware (AREA)
- Detergent Compositions (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electric Motors In General (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004046758A DE102004046758A1 (de) | 2004-09-24 | 2004-09-24 | Verfahren und Anordnung zum energiesparenden Betrieb von Spülmaschinen |
| PCT/EP2005/009189 WO2006034760A1 (de) | 2004-09-24 | 2005-08-25 | Verfahren und anordnung zum energiesparenden betrieb von spülmaschinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1835837A1 true EP1835837A1 (de) | 2007-09-26 |
| EP1835837B1 EP1835837B1 (de) | 2009-10-28 |
Family
ID=35385590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20050777541 Expired - Lifetime EP1835837B1 (de) | 2004-09-24 | 2005-08-25 | Verfahren und anordnung zum energiesparenden betrieb von spülmaschinen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7884498B2 (de) |
| EP (1) | EP1835837B1 (de) |
| AT (1) | ATE446709T1 (de) |
| DE (2) | DE102004046758A1 (de) |
| WO (1) | WO2006034760A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3095372A1 (de) | 2015-05-21 | 2016-11-23 | Illinois Tool Works Inc. | Geschirrspüler mit effizientem heizsystem |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006039434A1 (de) * | 2006-08-23 | 2008-05-29 | Meiko Maschinenbau Gmbh & Co. Kg | Verfahren zur Beurteilung und Sicherstellung der thermischen Hygienewirkung in einer Mehrtankgeschirrspülmaschine |
| FR2907656B1 (fr) * | 2006-10-30 | 2009-02-13 | Elbeuviennes De Materiels Pour | Machine a laver la vaisselle et procede de lavage de vaisselle |
| FR2908030B1 (fr) * | 2006-11-03 | 2009-02-13 | Elbeuviennes De Materiels Pour | Machine a laver la vaisselle |
| DE102008014319A1 (de) * | 2008-03-14 | 2009-09-17 | Premark Feg L.L.C., Wilmington | Transportspülmaschine und Verfahren zum Betreiben einer Transportspülmaschine |
| US8157924B2 (en) | 2008-04-09 | 2012-04-17 | Premark Feg L.L.C. | Warewasher including heat recovery system with hot water supplement |
| DE102008040744A1 (de) * | 2008-07-25 | 2010-01-28 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät, insbesondere eine Geschirrspül- oder eine Waschmaschine |
| DE102009027800A1 (de) * | 2009-07-17 | 2011-01-27 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit einer Kommunikationseinrichtung, Gerätesystem und Verfahren zum Betreiben eines Haushaltsgeräts |
| DE102009035668A1 (de) | 2009-07-30 | 2011-02-03 | Meiko Maschinenbau Gmbh & Co. Kg | Energieoptimierte Maschinensteuerung für Reinigungsvorrichtungen |
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2004
- 2004-09-24 DE DE102004046758A patent/DE102004046758A1/de active Pending
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2005
- 2005-08-25 EP EP20050777541 patent/EP1835837B1/de not_active Expired - Lifetime
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- 2005-08-25 DE DE200550008428 patent/DE502005008428D1/de not_active Expired - Lifetime
- 2005-08-25 AT AT05777541T patent/ATE446709T1/de active
- 2005-08-25 WO PCT/EP2005/009189 patent/WO2006034760A1/de not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3095372A1 (de) | 2015-05-21 | 2016-11-23 | Illinois Tool Works Inc. | Geschirrspüler mit effizientem heizsystem |
Also Published As
| Publication number | Publication date |
|---|---|
| US7884498B2 (en) | 2011-02-08 |
| DE102004046758A1 (de) | 2006-04-06 |
| DE502005008428D1 (de) | 2009-12-10 |
| WO2006034760A1 (de) | 2006-04-06 |
| US20090151750A1 (en) | 2009-06-18 |
| EP1835837B1 (de) | 2009-10-28 |
| ATE446709T1 (de) | 2009-11-15 |
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