EP2229866A2 - Lave-vaisselle doté d'un accumulateur d'eau froide - Google Patents

Lave-vaisselle doté d'un accumulateur d'eau froide Download PDF

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Publication number
EP2229866A2
EP2229866A2 EP10153920A EP10153920A EP2229866A2 EP 2229866 A2 EP2229866 A2 EP 2229866A2 EP 10153920 A EP10153920 A EP 10153920A EP 10153920 A EP10153920 A EP 10153920A EP 2229866 A2 EP2229866 A2 EP 2229866A2
Authority
EP
European Patent Office
Prior art keywords
fresh water
rinse
dishwasher
dishwasher according
washing
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.)
Withdrawn
Application number
EP10153920A
Other languages
German (de)
English (en)
Other versions
EP2229866A3 (fr
Inventor
Michael Rosenbauer
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.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2229866A2 publication Critical patent/EP2229866A2/fr
Publication of EP2229866A3 publication Critical patent/EP2229866A3/fr
Withdrawn legal-status Critical Current

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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
    • A47L15/42—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
    • A47L15/4209—Insulation arrangements, e.g. for sound damping or heat insulation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops

Definitions

  • the present invention relates to a dishwasher, in particular a domestic dishwasher, with a control device in which one or more wash programs for controlling a wash cycle for washing items to be called, and with a fresh water inlet device for receiving fresh water from an external cold water supply.
  • washing programs are usually stored in a control device, one of which is called in each case and used to control the rinse cycle.
  • the selection and the start of a washing program is generally carried out by an operator, but can also be done automatically by means of a control device.
  • the further course of a rinse cycle is then automatically controlled by the control device.
  • a rinsing program usually provides for a plurality of successive partial rinses, the rinse water being provided with cleaning and / or additives as a function of the course of the respective rinsing program and being brought to a temperature which is favorable for the respective partial rinse cycle.
  • a fresh water feed device for receiving fresh water.
  • Such fresh water feed devices are intended to be connected to an external fresh water supply, which provides pressurized fresh water.
  • This may, for example, be a water pipe installed on the building side. While in the US such dishwashers prevail, which are intended to be connected to an external hot water supply, such dishwashers are common especially in Europe, which are designed for connection to an external cold water supply.
  • a typical rinse in a European style domestic dishwasher includes, in particular, in this order of time, a pre-rinse, a cleaning cycle, an intermediate rinse, a rinse cycle and a drying cycle.
  • the prewash cycle is started, wherein fresh water from the external cold water supply is first introduced into the washing container of the dishwasher by a corresponding activation of the fresh water feed device.
  • the fresh water is then circulated as rinse water, so as to free the dishes from coarse contamination.
  • the rinse water of the pre-wash cycle is not heated.
  • at least a portion of the now contaminated rinse water is pumped out under appropriate control of a drain pump and the pre-wash cycle ends.
  • a post-cleaning phase or post-washing phase of the cleaning cycle is carried out with a predetermined period of time during which the rinsing water is circulated further.
  • the drain pump is controlled again, so that at least a portion of the rinse water of the cleaning cycle is pumped out.
  • the rinse water is replenished in the rinse tank via the fresh water intake device.
  • the rinse water of the intermediate rinse cycle is not heated, but circulated by means of the circulation pump. Due to the intermediate rinse, detergent residues in particular can be removed from the items to be washed. After a predetermined period of time, the rinse water of the intermediate rinse cycle, which now comprises detergent residues, is at least partially pumped out.
  • the fresh water inlet device is controlled again to bring fresh water into the washing.
  • This is mixed with rinse aid by a rinse aid addition device, heated by activation of the heating device and circulated by appropriate activation of the circulation pump.
  • the circulation pump and the heater is turned off.
  • the rinse water is pumped out via the drain pump and the rinse cycle finished.
  • the rinse cycle is used in particular to avoid staining on the cleaned items to be washed, which is achieved essentially by the chemical properties of the rinse aid.
  • the rinse cycle is generally used to prepare the items to be washed for the subsequent drying cycle by bringing this to a relatively high temperature.
  • the illustrated basic sequence of a typical rinse cycle can be modified in many ways. For example, different time constants or different temperatures can be specified. It is also possible to omit individual partial rinses, such as, for example, the pre-rinse cycle and / or intermediate rinse cycle, or individual partial rinses, such as, for example, the cleaning cycle, several times in a row. In this way it is possible to adapt the intended course of the wash cycle to different applications.
  • Selecting a suitable wash program may significantly improve the efficiency of wash items cleaning.
  • the efficiency corresponds to the ratio of the scavenging result achieved by means of a rinse cycle and the effort required for this, that is to say the energy requirement, the water requirement and / or the time required for the respective rinse cycle.
  • a disadvantage of the known dishwashers is that they no longer meet the current need for efficiency.
  • the object of the present invention is to provide a dishwashing machine, in particular a household dishwasher, with a higher efficiency.
  • a dishwasher in particular domestic dishwasher, of the kind mentioned in that a fillable by the fresh water inlet device with fresh water fresh water tank is provided in which such a quantity of fresh water can be stored, which covers the fresh water demand of a rinse cycle at least one of the washing programs ,
  • the temperature of a household cold water source such as cold water pipe is usually below an ambient temperature in which a dishwasher is operated.
  • a household cold water source such as cold water pipe
  • the fresh water storage it is possible to initiate the fresh water needed for a rinse from the cold water supply in the fresh water tank and store it there before it is removed again for the implementation of the rinse cycle from the fresh water tank.
  • the fresh water can heat by absorbing heat from the environment to a use temperature that is higher than its original filling temperature when filling in the fresh water tank.
  • the fresh water fed into the fresh water storage tank can warm up to ambient temperature if it has spent a sufficiently long residence time in the fresh water storage tank.
  • the preheated fresh water thus has a temperature which corresponds to the ambient or room temperature. This may for example be 8 ° C to 10 ° C above the temperature of the cold water supply.
  • the storage capacity of the fresh water tank is dimensioned so that the amount of fresh water storable in the fresh water tank at least covers the water requirement for a complete rinse cycle provided by one of the stored rinse programs.
  • This washing program can advantageously be described to an operator as being particularly energy-efficient, e.g. be indicated by an extra economy button or energy efficiency button and / or display. In this way, it is ensured that preheated fresh water can be kept available for each fresh water-consuming partial rinse cycle of the rinse cycle.
  • the dishwasher according to the invention enables more efficient operation in at least one washing program.
  • such a quantity of fresh water can be stored in the fresh water tank, which covers the fresh water requirement of a rinse cycle in several of the washing programs.
  • the advantages according to the invention can be realized with several rinsing programs. This allows the selection of a suitable for the particular application wash program from a plurality of efficiently executable wash programs.
  • such a quantity of fresh water can be stored in the fresh water tank, which covers the fresh water requirement of a rinse cycle in each of the rinse programs. In this case, it is ensured that each of the scheduled rinse programs can be performed efficiently.
  • At least 8 liters, preferably at least 12 liters and more preferably at least 16 liters of fresh water can be stored in the fresh water storage.
  • a significant increase in efficiency of the dishwasher can be achieved.
  • the fresh water reservoir is arranged on the outside of at least one wall, in particular side wall, of the washing container of the dishwasher.
  • the dishwasher can be delivered and operated as a compact unit with integrated fresh water storage.
  • damage-prone, external, electrical and / or hydraulic connections between the fresh water storage tank and other components of the dishwasher are avoided.
  • the compounds, as well as the fresh water storage itself protected by the housing of the dishwasher.
  • the space requirement compared to a conventional dishwasher remains unchanged, so that the dishwasher can be easily integrated into a kitchen unit with standard dimensions. Furthermore, no intervention in the design of the dishwasher is required.
  • the fresh water reservoir is thus arranged between a possibly existing housing and a rinsing container.
  • a rinsing container there are unused rooms in a dishwasher between their housing and washing containers. These are, for example, between a side wall of the washing and a side wall of the housing, which are substantially parallel.
  • a simple to produce, flat parallelepiped fresh water storage can be used. It thus preferably has at most one cross-sectional width which corresponds to the gap width between the side wall or rear wall of the washing container and the outer housing.
  • the rinse tank is also suitably sufficiently stable designed to carry a filled fresh water storage. In this way it is possible to attach the fresh water storage directly to the washing, which simplifies the construction of the dishwasher.
  • insulating means are provided which counteract a heat transfer and / or a sound transmission between washing and fresh water storage. In this way it can be prevented that the fresh water contained in the fresh water reservoir withdraws a substantial amount of heat from the washing container during a heating phase of a rinse cycle, which would lead to a higher heating requirement. This can an improvement in the energy efficiency of the dishwasher can be effected. In addition, a lower noise emission during operation of the dishwasher can be achieved, which benefits the comfort.
  • the fresh water reservoir is a plastic part, in particular of polypropylene.
  • Such fresh water storage can be produced for example by means of suitable extrusion or casting process with little manufacturing effort.
  • reservoirs made of plastic have a certain flexibility, so that their shape can be adapted within certain limits to the available installation space. This circumstance allows a particularly efficient use of the available installation space.
  • the fresh water inlet device on a controllable by the control device control valve for filling the fresh water storage, wherein the control valve is controlled so that the fresh water storage is filled at and / or after completion of a wash program.
  • control valve is controlled so that a filling of the fresh water storage takes place during a final fresh water consuming section istgangs a wash program.
  • the time between the introduction of the fresh water into the fresh water storage and the discharge of the fresh water from the fresh water storage can be maximized, so that the fresh water withdrawn at low temperature from the cold water supply can heat up significantly even if two rinses are performed immediately after each other ,
  • the last fresh water consuming partial rinse cycle of a rinse program is usually a rinse cycle. If in this case the fresh water tank is refilled immediately after the removal of the fresh water required for the rinse cycle, the newly introduced fresh water can already during the remaining duration of the rinse cycle and during the subsequent drying cycle, which increases the efficiency of the dishwasher, especially when following the current rinse without a longer break another rinse is performed.
  • control device is associated with a sensor for detecting the amount of fresh water stored in the fresh water reservoir. In this way, the introduction of fresh water into the fresh water storage and / or the discharge of fresh water from the fresh water storage can be controlled as needed.
  • the fresh water storage is designed so that fresh water can reach by its weight by a controllable flow into the washing.
  • the controllable sequence can, for example, have an electrically actuatable valve which is controlled by the control device of the dishwasher.
  • the fresh water storage on an overflow which opens into the washing.
  • leakage of fresh water from the dishwasher can be prevented in the event of a fault, for example in the event of a fault in the area of the fresh water feed device or of the outflow of the fresh water reservoir.
  • the fresh water inlet device is associated with a free flow path.
  • the free flow path can be arranged for example in the fresh water tank. Due to the free flow path is a, in particular due to hygiene regulations inadmissible, sucking back of fresh water in the direction of the cold water supply is avoided, resulting in could occur due to dynamic processes temporary negative pressure in the cold water supply. In this way, in particular a too low fresh water level can be avoided in the fresh water tank.
  • FIG. 1 shows a schematic spatial representation of an embodiment of a dishwasher according to the invention 1.
  • This has a washing container 2, which can be closed by a door 3, so that a rinsing cell for washing dishes arises.
  • the rinsing container 2 is arranged in the interior of a housing 4 of the dishwasher 1, which has standard dimensions.
  • the housing 4, for example, have a width of 45 cm or 60 cm, which allows integration of the dishwasher 1 in a standard designed kitchenette with a corresponding Einbaunische.
  • a schematically represented fresh water inlet device 5 On the back of the dishwasher 1 a schematically represented fresh water inlet device 5 is arranged.
  • This has a fresh water connection piece 6, to which a connection hose 7 is connected.
  • the connecting hose 7 is provided in an intended manner to an external cold water supply, especially cold water pipe, KH connected.
  • the connection is usually made to a cold water tap KH provided on the building side.
  • the dishwasher 1 has a fresh water storage 8.
  • the fresh water inlet device 5 in the FIG. 1 not shown on components, which make it possible to direct fresh water from the cold tap KH in the fresh water storage 8.
  • the fresh water storage 8 is intended to hold fresh water for a complete rinse cycle for washing dishes. It allows the dishwasher 1 to receive the fresh water needed for a complete rinse even before the rinse cycle is carried out.
  • the fresh water which is provided by the cold water supply KH, for example, at a temperature in the range of 10 ° C to 15 ° C, until it is used as rinse water to room temperature, which typically 20 ° C to 25 ° in the installation room of the dishwasher is.
  • the energy required to bring the rinse water to a designated rinse temperature decreases.
  • the fresh water introduced into the fresh water reservoir can be brought all the more by natural heat energy exchange with the environment to a temperature above its original supply temperature, in particular the more likely to assume the ambient temperature, the longer his residence time in the fresh water storage. So it takes after a sufficient waiting time after its introduction into the fresh water storage by itself from heat intake from the environment of the installation of the dishwasher a filling or feed temperature for filling in the respective Aus Thagang the selected Geschirr Hopkinsprogramms, which is higher than its original Zu spalltemperatur Zu vide lies in the fresh water tank.
  • the fresh water storage 8 is arranged in the interior of the housing 4 of the dishwasher 1, so that the external dimensions of the dishwasher 1 according to the invention do not differ from a conventional dishwashing machine. This makes it easily possible to integrate the dishwasher 1 according to the invention in a kitchen unit with conventional dimensions.
  • the fresh water reservoir 8 is preferably arranged in a space unused in a conventional dishwasher between a side wall 9 of the washing container 2 and a side wall 10 of the outer housing 4 of the dishwasher 1 running essentially parallel thereto.
  • the fresh water storage 8 is formed as a very flat cuboid whose dimensions are adapted to the available space in order to use this efficiently. Possibly. the outer housing 4 can also be omitted. This may be particularly useful in a built-in dishwashing machine, e.g. integrated into an installation niche of a kitchen cabinet.
  • the fresh water reservoir 8 is preferably made of plastic.
  • the fresh water storage 8 may in particular consist of polypropylene, which is a cheap and easy to process plastic.
  • the fresh water reservoir 8 can be produced in a simple manner by extrusion processes or casting processes.
  • the fresh water reservoir 8 when the fresh water reservoir 8 is filled, it nestles due to its material-related flexibility to the side wall 9 of the washing compartment 2 and to the side wall 10 of the housing 4.
  • the fresh water storage 8 can be fastened by means not shown directly on the washing container 2, since this is usually sufficiently stable to carry a fully filled fresh water storage 8.
  • the fresh water tank 8 consists of several separate partial storage units, which are arranged in different areas of the dishwasher 1 and connected by pipes, pipes or the like.
  • a pump pot 11 is provided in a lower region of the washing container 2.
  • a pump for circulating water in the washing container 2 is provided during a wash cycle.
  • a lye or sewage pump pump for pumping water for example, at the end of a rinse cycle, provided.
  • the sump 11 is connected to a waste water connection piece 12 via means not shown so that water from the washing compartment 2 via a connected to the wastewater connection piece 12 sewage hose 13 in a wastewater installation A, for example, a sewer pipe A, can be pumped.
  • the dishwasher 1 also has a control device 14, in which at least one wash program for controlling a sequence of a wash cycle is stored.
  • the control device 14 is in the embodiment of FIG. 1 arranged inside the door 3 of the washing compartment 2. However, it could also be arranged at another location of the dishwasher 1, such as in the bottom module below the washing container.
  • 14 different rinse programs are stored in the control device, one of which is selectable for controlling a rinse by an operator in each case.
  • the flushing programs may differ in the cleaning effect caused by them in order to achieve a matched to the degree of contamination of the items to be washed a rinse cycle.
  • the number of sub-rinses provided in each case for a rinsing program can vary, which in many cases leads to the fact that the fresh water requirement, i. the total amount of fresh water to be filled depends on the particular rinse program used for a rinse cycle.
  • the fresh water storage 8 has a storage capacity such that the fresh water requirement for all partial rinses at least one of the rinse programs can be covered by the fresh water stored in the fresh water storage 8 fresh water. In this way, the energy required to carry out a wash cycle on the basis of this wash program for heating the wash water is reduced, so that the energy efficiency of the dishwasher 1 is improved. A further improvement in energy efficiency can be achieved if the storage capacity of the fresh water storage 8 is dimensioned so that the fresh water requirement of several or all of the washing programs can be covered by the stored fresh water storage 8 fresh water.
  • the storage capacity of the fresh water storage 8 for example, be at least 8 liters, which may be sufficient for a slightly dirty dishes in a washing program.
  • the storage capacity is at least 12 liters, which may be sufficient for a dishwashing machine 1 for a wash program for cleaning normal dirty dishes.
  • the storage capacity is at least 16 liters, which usually covers the total fresh water requirement in a dishwashing program for heavily soiled dishes.
  • FIG. 2 shows a block diagram of the dishwasher of FIG. 1 ,
  • the fresh water inlet device 5 comprises a control valve 15, which is controllable by the control device 14.
  • the control valve 15 of the fresh water inlet device 5 is arranged downstream of the fresh water connection piece 6. In this way, the inflow of fresh water into the fresh water reservoir 8 can be controlled by the control device 14.
  • the energy required to fill the fresh water reservoir 8 is generally provided by the pressure prevailing in the cold water supply, in particular the cold water line, in which case no pump or the like is required for filling the fresh water reservoir 8.
  • a free flow path 16 Downstream of the control valve 15, a free flow path 16 is provided.
  • the free flow path 16 is a so-called pipe interruption, which serves to prevent (especially for reasons of hygiene) unauthorized sucking back of water from the dishwasher 1, if in the external cold water supply by dynamic processes, a negative pressure. In this way it is in particular prevented that, when the dishwasher is switched off, fresh water warmed to room temperature is sucked from the fresh water reservoir 8 back into the cold water supply, which could not then result in a later execution of a rinse cycle enough fresh water heated to room temperature is available and then colder fresh water must be used.
  • a controllable drain 17 is arranged, which opens into the washing compartment 2.
  • the controllable sequence 17 includes a likewise controllable by the control device 14 control valve 18.
  • the control valve 18 When the control valve 18 is opened, fresh water flows through its weight in the washing 2. In this way, it is possible without a pump or the like, fresh water in the store 8 befindliches fresh water Depending on the selected wash program in the washing container 2 to conduct.
  • the fresh water tank 8 In order to prevent leakage of fresh water from the dishwasher 1 in the event of a fault, such as a malfunction of the control valve 18, the fresh water tank 8 is associated with an overflow 19, which opens into the washing compartment 2.
  • the control device 14 is connected to a sensor 21 for detecting the amount of fresh water stored in the fresh water storage 8. This allows in particular accurate control of the control valve 15 of the fresh water inlet device 5 when receiving fresh water from the cold water supply, so as to be able to set a desired level exactly.
  • the signals of the sensor 21 can also be used to control the control valve 18 of the sequence 17 in order to accurately meter a discharge of fresh water from the fresh water storage 8 can.
  • a layer-like insulating means 22 is arranged, which reduces a heat transfer and / or a sound transmission between washing container 2 and fresh water storage 8. This prevents, on the one hand, that the fresh water present in the fresh water reservoir 8 extracts a considerable amount of heat from the rinsing container 2 during a heating phase of a rinse cycle, which would lead to a higher heating requirement. As a result, an improvement in the energy efficiency of the dishwasher can be effected. On the other hand, it allows a lower noise emission during operation of the dishwasher, which benefits the comfort.
  • the one or more electrical components disposed in the sump 11 are controlled by the controller 14.
  • rinsing water located in the washing container 2 can be selectively heated, circulated via a spraying device 20 and pumped out via the waste water connecting piece 12 to the outside.
  • FIG. 3 illustrates an advantageous mode of operation of a dishwasher designed according to the design principle according to the invention.
  • the curves MFW and TFW are shown on a common time axis t.
  • the curve MFW represents the amount MFW of fresh water that is stored at a certain time in the fresh water tank.
  • the amount of fresh water is relative to the maximum storable amount, ie relative to the storage capacity of the fresh water storage specified.
  • the value 100% means that the fresh water tank is filled to the maximum, the value 0% that the fresh water tank is completely emptied.
  • the storage capacity can be for example 15 liters.
  • the curve TFW represents the temperature TFW of the water in the fresh water reservoir 2.
  • FIG. 3 are a final phase of a first rinse SG1 and a second, temporally spaced with a break from the first rinse, later rinse SG2 shown.
  • the rinses SG1 and SG2 are each automatically performed on the basis of a washing program selected by the operator.
  • the respective rinsing program provides a pre-rinsing cycle VG, a cleaning cycle RG, an intermediate rinsing cycle ZG, a rinsing cycle KG and a drying cycle TG in successive succession as partial rinses.
  • the control device controls all components of the dishwasher, in particular that in the FIG. 2 shown control valve 15 of the fresh water inlet device and also in the FIG.
  • the temperature TFW of the fresh water in the fresh water storage corresponds substantially to the ambient temperature of the dishwasher, ie a room temperature TR of, for example, 22 ° C.
  • the fresh water reservoir is taken off such an amount of fresh water, which is required for carrying out the rinse cycle KG. This amount may be, for example, 20% of the storable amount or 3 liters.
  • the rinse cycle KG is the last partial rinse cycle of the rinse cycle SG1, which requires fresh water. Therefore, the fresh water storage is completely replenished immediately after the fresh water removal for the rinse cycle to maximize the time between the filling of fresh water storage with fresh water and the withdrawal of fresh water in a subsequent rinse SG2.
  • the temperature TFW in the fresh water storage decreases sharply, but is still above the temperature TK of the cold water source. In this case, for example, a temperature of 16 ° C is established. Starting from this value, the temperature TFW in the fresh water storage increases during the remaining duration of the rinse cycle KG and during the subsequent drying cycle TG due to the higher ambient temperature TR. At the end of the drying cycle TG, in which no fresh water is removed from the fresh water storage tank, the temperature TFW in the fresh water storage tank may already be, for example, 19 ° C.
  • the temperature TFW increases after completion of the wash cycle SG1 until the beginning of a subsequent wash cycle SG2 on. With a longer break between the rinse cycles SG1 and SG2, which occurs quite frequently in practice, the temperature TFW in the fresh water storage at the beginning of the second rinse cycle SG2 has essentially reached or even exceeds room temperature TR. Therefore, if as in the embodiment of FIG. 3 a corresponding storage capacity of the fresh water storage is provided at the beginning of each fresh water consuming Ambi perennials VG, RG, ZG and KG of the wash SG2 fresh water at least with room temperature TR, which is well above the temperature TK of the cold water supply available. In this case, about 20% of the capacity is taken from the fresh water storage tank at the beginning of each of the partial rinsing cycles VG, RG, ZG and KG.
  • the fresh water tank is taken at the beginning of one of the partial rinses VG, RG, ZG and KG of the rinse SG2 about 20% of the total storable amount of fresh water.
  • approximately 20% of the maximum quantity always remains in the fresh water reservoir.
  • the fresh water for at least two partial rinses such as cleaning and rinsing, especially for an entire rinse, ie for all Rail Touch saua Geschirr mecanicprogramms in a tank or fresh water storage
  • the fresh water by simple heat transfer from the environment, ie preferably without further heating, assume the ambient temperature of the installation room, especially the kitchen, in which or in the dishwasher is set up, so that for the (unheated) rinsing liquor, for example, a feed temperature such For example, of 23 ° C, which is higher in many cases, than the temperature at which the fresh water is obtained from a cold water pipe, which is for example 15 ° C.
  • the energy that is additionally required to a certain process temperature of the wash liquor in each Operandgang the selected dishwasher program can therefore be lower than in the case without fresh water storage.
  • an energy saving is possible.

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  • Washing And Drying Of Tableware (AREA)
EP10153920.3A 2009-03-16 2010-02-18 Lave-vaisselle doté d'un accumulateur d'eau froide Withdrawn EP2229866A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009001584A DE102009001584A1 (de) 2009-03-16 2009-03-16 Geschirrspülmaschine mit einem Frischwasserspeicher

Publications (2)

Publication Number Publication Date
EP2229866A2 true EP2229866A2 (fr) 2010-09-22
EP2229866A3 EP2229866A3 (fr) 2017-01-04

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EP10153920.3A Withdrawn EP2229866A3 (fr) 2009-03-16 2010-02-18 Lave-vaisselle doté d'un accumulateur d'eau froide

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US (1) US20100229900A1 (fr)
EP (1) EP2229866A3 (fr)
DE (1) DE102009001584A1 (fr)

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WO2016134938A1 (fr) * 2015-02-27 2016-09-01 BSH Hausgeräte GmbH Lave-vaisselle ménager pour laver la vaisselle en un ou plusieurs cycles de lavage partiels et procédé correspondant

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Publication number Priority date Publication date Assignee Title
US20150047679A1 (en) * 2012-03-30 2015-02-19 Electrolux Home Products Corporation N.V. Dishwasher and method of operating dishwasher
DE102019121752A1 (de) * 2019-08-13 2021-02-18 Miele & Cie. Kg Geschirrspülmaschine

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EP2229866A3 (fr) 2017-01-04

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