EP2073682B2 - Appareil ménager acheminant de l'eau et comprenant un système de dosage de détergent, et cartouche appropriée - Google Patents

Appareil ménager acheminant de l'eau et comprenant un système de dosage de détergent, et cartouche appropriée Download PDF

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Publication number
EP2073682B2
EP2073682B2 EP07802987.3A EP07802987A EP2073682B2 EP 2073682 B2 EP2073682 B2 EP 2073682B2 EP 07802987 A EP07802987 A EP 07802987A EP 2073682 B2 EP2073682 B2 EP 2073682B2
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EP
European Patent Office
Prior art keywords
water
cartridge
domestic appliance
appliance according
conducting domestic
Prior art date
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Active
Application number
EP07802987.3A
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German (de)
English (en)
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EP2073682A1 (fr
EP2073682B1 (fr
Inventor
Egbert Classen
Helmut Jerg
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL07802987.3T priority Critical patent/PL2073682T5/pl
Publication of EP2073682A1 publication Critical patent/EP2073682A1/fr
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Publication of EP2073682B1 publication Critical patent/EP2073682B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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
    • A47L15/0055—Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4445—Detachable devices
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4445—Detachable devices
    • A47L15/4454—Detachable devices with automatic identification means, e.g. barcodes, RFID tags or magnetic strips
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4463—Multi-dose dispensing arrangements
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4472—Blister packaging or refill cartridges
    • 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
    • A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
    • A47L2401/023—Quantity or concentration of the consumable product
    • 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
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • A47L2501/265—Indication or alarm to the controlling device or to the user about the number of remaining operation cycles or the remaining operation time

Definitions

  • the invention relates to a water-bearing household appliance according to the preamble of patent claim 1.
  • the majority of domestic dishwashers currently in use has an addition device for receiving one or more cleaning agents, which are added to the washing liquor during a washing cycle for cleaning the items to be washed sorted in the dishwasher.
  • the cleaning agent stored in the adding device is completely dispensed into the washing chamber during the washing cycle and mixed with the washing liquor circulated therein.
  • the size of the adding device is dimensioned in such a way that just the amount of cleaning agent required for a washing cycle can be filled in.
  • the user of the dishwasher is therefore forced to fill the dispensing device with the amount of cleaning agent required for the washing cycle at the beginning of each washing cycle. This handling is inconvenient for the user of the dishwasher.
  • the WO 2005/058126 A1 shows individual or connected reservoirs 4, 5, 6, 7, 8, which can each be provided with an integrated micropump 9, which, however, means a high design effort and also involves the risk of malfunctions due to sticking or abrasion during operation. Even without a pump, gravity-driven emptying should be possible. In this case, however, it would then have to be worked against a negative pressure that becomes increasingly stronger during emptying, which makes emptying more difficult and, in particular, also hinders uniform dosing over many wash cycles.
  • the U.S. 2006/0059958 A1 1 only shows a detergent container 40 with only one chamber and in this respect it does not enable the desired type of effective dosing over many wash cycles.
  • An extra valve must also be operated separately there and only manages to counteract a thermally induced expansion or shrinkage of the container 40 .
  • the WO 2005/100675 A and U.S. 2004/122555 show devices which can be attached to the outside of a dishwasher and which, for reasons of space alone, do not contribute to solving the problem according to the invention. It is the object of the invention to provide a water-bearing household appliance that can also carry out complex rinsing cycles. Furthermore, it is the object of the invention to provide aids for this.
  • a water-bearing household appliance in particular a household dishwasher, has a detergent dosing system which has at least one detergent dispenser for receiving at least one cartridge, the cartridge having separate chambers for storing at least two detergents.
  • the invention is characterized in that the detergent stored in each chamber Amount of detergent is greater than the amount required for one rinse cycle.
  • the cleaning agent dosing system for accommodating the cartridge essentially provides precisely the amount of cleaning agent required for a washing cycle during a washing cycle.
  • Cleaning agents can be compositions of cleaning components or individual cleaning substances, such as an enzyme.
  • the cleaning agents can be in liquid or gel form.
  • the cleaning agents can be arranged in a plurality in chambers of the cartridge.
  • the detergent dosing system is designed to accommodate a corresponding number of cartridges with only one chamber. Storing different cleaning agents in different chambers has the advantage that in a specific section of a washing cycle only that cleaning agent needs to be metered in which is actually necessary for this washing section. Of course, it is possible that several of the cleaning agents can also be metered in at the same time during a certain section of a washing cycle. If two different cleaning agents are fundamentally added simultaneously to the washing liquor during a washing cycle, it is also possible to use them To arrange detergent in a common chamber of the cartridge. An aeration chamber is provided in the cartridge and is in operative communication with the chambers containing the detergents.
  • the ventilation chamber is in this case via ventilation channels in a common, the individual chambers final. Lid with the chambers containing the detergent in connection. In this way, it is ensured that as the chambers are emptied, no negative pressure can build up in them, which would make it more difficult to add cleaning agents to the washing liquor or possibly in an incorrect amount.
  • the ventilation chamber is part of the cartridge. It is preferably provided that the detergent dispenser is arranged in an interior space of the water-bearing household appliance.
  • the capacity of the chambers for accommodating at least two cleaning agents is dimensioned in such a way that between 20 and 40, preferably 30, rinsing cycles can be carried out.
  • the targeted metering in of, for example, complexing agents allows the water hardness to be adjusted, so that a dishwasher according to the invention can be designed without a water softening device.
  • the water hardness can be adjusted by sensors or manually by an operator.
  • the substances added can be adjusted to the length of a selected cleaning program.
  • the respective chambers are arranged in a common housing of the cartridge, i.e. cartridge housing, resulting in particularly easy handling for the user.
  • a further embodiment provides that the cartridge is provided with at least one openable closure which can be opened, in particular automatically, when it is inserted into the detergent dosing system and can be closed, in particular automatically, when the cartridge is removed from the detergent dosing system.
  • the openable closure can be formed by a membrane, for example. The closure is used during storage and transport to ensure that the cleaning agent stored in the cartridge cannot accidentally leak out. The closure is opened at the moment when the cartridge is inserted into the detergent dispenser of the detergent dosing system, so that the detergent can be added to the washing liquor while the dishwasher is still in operation.
  • the number of closures can vary. A number of closures corresponding to the number of chambers in the cartridge is expediently provided.
  • the number of closures can also correspond to the number of detergents in the cartridge.
  • the openable closure can be arranged, for example, in the direction of gravity below, i.e. at the bottom of the cartridge, when the cartridge is in the installed position in the detergent dosing system. This facilitates the complete emptying of the cartridge by the conveying device, so that no cleaning agent remains unused in the cartridge.
  • a further embodiment provides that the cartridge has at least one delivery device with which the at least two cleaning agents can be delivered into the washing chamber of the dishwasher.
  • This procedure has the advantage that the detergent dispenser of the detergent dosing system according to the invention can be designed in a particularly simple manner. According to this embodiment, the necessary devices for dosing the cleaning agent held in the cartridge into the washing chamber are held exclusively in the cartridge. It can be provided that a number of conveying devices corresponding to the number of cleaning devices or chambers is provided.
  • the at least two cleaning agents are released by gravity and in a further variant by specifying an outflow time during which the at least two cleaning agents can be discharged from the cartridge via the openable closure for further processing.
  • the openable closure of the cartridge must be arranged at the bottom in the direction of gravity when the cartridge is in the installed position in the cleaning agent dosing system.
  • the outflow time is adjusted after each dosing or after each rinsing cycle. This procedure ensures that the same volume of washing liquor is always added to a specific washing program, regardless of the cleaning quantity in the cartridge.
  • the above formula takes into account the influence of gravity and the volume of cleaning agent in the cartridge and thus the speed of leakage when the closure is open.
  • the at least two cleaning agents can be metered by a pump or some other actuator.
  • the cartridge housing has a mechanical coding, e.g. a projection that corresponds to a corresponding recess in the cleaning agent dosing system.
  • the coding is designed in such a way that the cartridge can only be inserted into the detergent dispenser in a single way--the predetermined way.
  • the cartridge can have any suitable shape. However, it is preferably provided that the housing of the cartridge has a longitudinal extension along a main axis.
  • This can, for example, be a block-shaped base body with a longitudinal axis, e.g. along the width, which is significantly longer than all other axes (along the depth and the height).
  • it can also be a conical, truncated cone, cylindrical, pyramidal or truncated pyramidal body with a main axis.
  • the main axis is longer than the secondary axes of the housing with one of the above-mentioned basic cartridge shapes, e.g. by a factor of at least 1.5.
  • the base body can preferably have an extension along a first minor axis, e.g. along the height, and an extension along a second minor axis, e.g. along the depth, wherein the extension along the first minor axis is significantly longer than the extension along the second minor axis , e.g. by a factor of 3 to 10, preferably 5.
  • a particularly good handling of the cartridge and an appropriate volume of respective cleaning agent result when the housing of the cartridge has a cuboid basic shape with a depth of about 25 mm, a width of about 200 mm and has a height of about 125 mm.
  • the preferred total number z of rinsing cycles of between 20 and 40, preferably 30, rinsing cycles can be implemented.
  • the chambers of the cartridge are arranged next to one another along the main axis. This means that in a cartridge with a cuboid basic shape and a main axis extending in the width direction, the division into chambers leads to chamber dimensions in which the dimension of a chamber is a proportion of the width corresponding to the number of chambers, while for all chambers the same depth and height is given.
  • At least one section of the cartridge facing the washing compartment of the water-bearing household appliance when it is arranged in the detergent dosing system, has thermal insulation which limits heat flow from the washing compartment in the direction of the detergent dosing system.
  • This procedure advantageously ensures the long-term stability of the cleaning agent stored in the cartridge. It is thus possible to use cleaning agents which contain temperature-sensitive substances.
  • the thermal insulation prevents or limits excessive temperature fluctuations in the cleaning agent stored in the cartridge. This procedure is particularly advantageous when the amount of cleaning agent stored is designed for a very large total number of washing cycles.
  • the heat insulation in the section of the cartridge facing the washing compartment of the dishwasher can be formed by a gas volume arranged in the section. It is possible to manufacture the housing body from a plastic using the gas injection method (GID) known from the prior art, in which a gas cavity is enclosed in the section made from an injectable material, e.g. plastic.
  • the insulation can also be formed by an insulator material made of solid or liquid arranged in the section. This insulator material may be in addition to the material of the body portion of the cartridge.
  • the housing section can also be formed by the insulator material. Combinations of the materials mentioned are also conceivable.
  • the cartridge can also have a means for measuring the filling level of the cleaning agent volume contained in the cartridge.
  • the means for measuring the filling level can be designed to emit a signal when the cleaning agent contained in the cartridge has been completely used up. This signals to the user of the dishwasher that the cartridge needs to be replaced for the next washing cycle in order for the dishwasher to operate correctly.
  • the means for measuring the fill level is designed to emit a signal when the cleaning agent contained in the cartridge is sufficient to carry out a specified number m of washing cycles.
  • the number m of rinsing cycles can be selected as desired, with m preferably being selected between 2 and 5. This indicates to the user of the dishwasher that the cartridge will need to be replaced in the future. However, the user is still able to use the dishwasher for a certain number of times to operate flushing cycles, so that there is still time to procure a new cartridge.
  • the means for measuring the fill level is arranged in only one of the chambers of the cartridge to determine the fill level of the cleaning agent in this chamber.
  • the statement about the filling level of a single chamber is sufficient to infer the filling level of the entire cartridge, since the volume of the cleaning agent in the respective chambers is dimensioned such that each of the cleaning agents in the chambers is used up with the z-th rinsing cycle and an equal percentage of the at least two cleaning agents is dosed by the dosing system in each wash cycle. This procedure allows a precise prediction of the filling level of the respective cleaning agent in the cartridge with little effort on the part of the monitoring means.
  • the level measurement means can be based on an optical, acoustic or capacitive measuring principle.
  • a cleaning agent dosing system also belongs to the invention.
  • FIG. 1 shows a dishwasher 1 according to the invention, which has a door 3 pivotably mounted on a housing 2 .
  • the door 3 is shown in the figure in its open position.
  • washing area 4 crockery baskets 5, 6 are arranged in a known manner.
  • a cleaning agent dosing system 10, comprising a cleaning agent dispenser 11 and a cartridge 50, which contains at least two cleaning agents stored separately from one another, is arranged in a container wall 7 of the housing 2.
  • 1 shows the preferred arrangement of the cleaning agent dosing system 10 between the upper rack 5 and the lower rack 6.
  • the cleaning agent dispenser 11 accommodating the cartridge 50 is arranged in a section of the container wall 7 close to the door opening in order to facilitate the insertion and removal of the cartridge 50 in and out to facilitate the detergent dispenser 11 for the user.
  • the cleaning agent dispenser 11 comprises a housing 12 and a cover which is pivotably mounted relative to the housing 12 . If the cover is in its open position (see illustration in 1 ), the cartridge 50 can be inserted into the cover from the washing compartment 4.
  • the cover has, for example, two symmetrically arranged holding lugs, which have an L-shape and are adapted to the size of the cartridge 50, so that the holding lugs encompass and hold the cartridge 50 after it has been inserted.
  • a support surface is also formed on the cover, so that the cartridge 50 comes to rest in a defined position (not shown).
  • the cartridge 50 has five chambers 51a, 51b, 51c, 51d and 51e, each for receiving a cleaning agent or a cleaning agent mixture.
  • the size of the individual chambers 51a to 51e is dimensioned according to the volume required during a predetermined number of rinsing cycles.
  • the volume of the various cleaning agents in the chambers 51a to 51e is dimensioned such that after a certain number of washing cycles, preferably between 20 and 40, more preferably about 30, all of the chambers 51a to 51e are completely emptied.
  • the total number of flush cycles when the cartridge is depleted depends on the type of flush cycle being performed. In order to meet the different requirements, a specific dosing quantity is specified for each program that can be selected in the dishwasher or is determined by sensors. In the case of lightly soiled items to be washed, a lower metered quantity is selected, while in the case of heavily soiled items to be washed, a higher metered quantity of cleaning agent is provided. To ensure that each of the detergents is used up with the same rinse cycle, the percentage of each detergent component added to the rinse liquor during a rinse cycle is the same. This enables the available resources to be used sparingly, since the cartridge is only replaced when it is completely empty. In addition, this procedure also makes it easier to sense the filling level, since it is sufficient to sense the filling level in just one of the chambers of the cartridge in order to obtain information about the filling state of the entire cartridge.
  • Each of the chambers 51a to 51e is provided with an openable closure 25a to 25e, for example in the form of a membrane.
  • the membranes which are made of rubber, for example, seal off the individual chambers 51a to 51e so that no cleaning agent can escape from the cartridge 50 during storage and transport.
  • the membranes of cannulas 21 pierced, so that according to a corresponding dosing detergent can be added to the wash cabinet.
  • the cartridge is preferably made of a plastic and has a width B of about 200 mm, a height H of about 125 mm and a depth of about 25 mm. With these dimensions, the volume of the various chambers can be dimensioned in such a way that the desired 20 to 40 rinsing cycles can be carried out using one cartridge.
  • the cartridge 50 has a further chamber 52 which is connected to one or more ventilation channels 53.
  • the ventilation channel or channels 53 in turn have a connection to the various chambers 51a to 51e. In this way it is ensured that as the chambers 51a to 51e are increasingly emptied, no negative pressure can build up in them, which would make it difficult or falsify the addition of cleaning agents.
  • the ventilation channels 53 are preferably located in a cover 54, which is applied to the housing of the cartridge after the individual chambers 51a to 51e have been filled with the respective cleaning agents.
  • the cover 54 can have a pressure relief valve 55, which may be necessary for certain detergent components.
  • the detergents contained in the cartridge 50 are metered into the washing compartment, more precisely the washing liquor circulated in the washing compartment, only gradually over the course of a plurality of washing cycles, they are exposed to considerable absolute temperatures and temperature fluctuations with each washing cycle.
  • at least one housing wall of the cartridge 50 facing the washing compartment and/or the cover of the cleaning agent dosing system 10 facing the washing compartment is made of an insulating material or with insulation surround. This limits the flow of heat from the washing compartment in the direction of the cleaning agent dosing system or the cleaning agent stored in the cartridge, so that the long-term stability of the cleaning agent used is guaranteed.
  • the insulation can be formed by a gas volume arranged in the cover or in the relevant housing section of the cartridge. This gas volume, which produces the insulation, can be introduced during the production of the cover or the cartridge.
  • the process used here is known as the internal gas pressure process (GID).
  • the cleaning agent dispenser 11 can have another chamber for holding a solid cleaning agent.
  • the solid cleaning agent can be, for example, a 3-in-1 tab, which is inserted into the further chamber if no cartridge 50 or an empty cartridge 50 is contained in the receiving space.
  • the provision of the additional chamber for accommodating a solid cleaning agent makes it possible to use the dishwasher even when the cartridge 50 is empty and no full cartridge is available.
  • the further chamber can have an opening which is connected to the environment of the dishwasher.
  • the opening can be connected to the environment via channels which run on the rear side of the container wall.
  • the cleaning agent dosing system thus integrates the functionality of a so-called “expansion opening", which is used to dissipate the overpressure that occurs in the washing compartment when the dishwasher z. B. is opened and closed again by the user during a rinsing cycle with already heated washing liquor. The overpressure occurring at this moment can then be discharged to the environment via the further chamber and the opening.
  • the detergent dosing system can have means for querying the fill level of the detergent in the cartridge. If the detergent in one or more of the chambers of the cartridge reaches a specified level, e.g. if a specified number of rinsing cycles is still possible, this can be indicated to the user via an optical signal.
  • the display device can be located in a known manner, for example on the outside of the door, for example the fascia.
  • the filling level can be queried optically, capacitively or acoustically.
  • a light guide can be introduced into the cartridge, in which light is coupled into the light guide via a light source that is present, for example, in the detergent dispenser.
  • a light receiver coupled to the light guide, which is also arranged in the detergent dispenser, for example, receives the light coupled out of the light guide.
  • An evaluation device coupled to the light source and the light receiver can use the amount of light coupled in and out to determine the fill level or the attainment of a predetermined fill level in the cartridge.
  • the cleaning agent in the cartridge can be used as an electrode.
  • a further electrode made of an electrically conductive material can be arranged on the detergent dispenser or on the outer wall of the cartridge.
  • the housing material of the cartridge and possibly other housing material of the detergent dispenser and/or an air gap formed between them form a dielectric between the two electrodes.
  • the filling level can also be determined using an acoustic principle.
  • a generator e.g. provided on the cleaning agent dispenser, causes the cleaning agent in the cartridge to oscillate.
  • the resulting noises can be recorded and evaluated, e.g. by a microphone. Based on the noise spectrum, conclusions can be drawn about the fill level of the cleaning agent in the cartridge.
  • a counter can be used to count the number of flushing cycles that have already been completed for a full cartridge.
  • a transponder that can be read by the dishwasher or detergent dispenser.
  • another code such as a bar code, may be attached to the cartridge. The code can be read in, for example, when the cartridge is inserted into the detergent dispenser.
  • each of the chambers can, of course, be equipped with a separate means for measuring the fill level.
  • Outlets 19a to 19e are provided in the housing 12 of the detergent dispenser 11 (cf. 4 ).
  • the outlets 19a to 19e each open into a metering chamber 20a to 20e, wherein in the cross-sectional view of the 4 only the dosing chamber 20a can be seen.
  • the dosing chamber 20a communicates with the chamber 51a of the cartridge via the channels 21a.
  • each of the dosing chambers 20a to 20e there is a conveying device which, in the present exemplary embodiment, consists of a seal 26a which is movably mounted in the dosing chamber 20a and a drive mechanism for the seal 26a.
  • the seal 26a is shaped in such a way that it can be moved between a position closing the associated outlet (in FIG. 19a) and a position releasing the outlet.
  • the seal 26a is connected to a valve tappet 22a.
  • a movement of the valve tappet 22a is brought about by a valve actuating lever 23a on which a wedge-shaped projection 36a is formed.
  • a rotary movement of the valve operating lever 23a engages the projection on the plate of the valve tappet 22a and causes a stroke.
  • valve operating lever 23a Upon actuation of the valve operating lever 23a, the seal 26a is removed away from the outlet 19a. If the valve actuating lever 23a is moved back into its initial position (by rotating it in the opposite direction), a restoring force is built up by a spring 24a clamped between a housing cover 37 and an abutment 35a provided on the valve tappet 22a, which restoring force presses the seal 26a closely to the Outlet 19a applies.
  • the cleaning agent in the chamber 51a can flow out due to gravity or an active conveying device, such as e.g. B. a pump, through the cannula 21a into the dosing chamber 20 and through the outlet 19a into the rinsing chamber.
  • an active conveying device such as e.g. B. a pump
  • the cleaning agent can be conveyed exclusively by utilizing gravity.
  • the conveying device in particular the design of the seal, can also be constructed according to the principle of a pump, so that detergents are conveyed from the cleaning chamber 21a into the dosing chamber 20a and from the dosing chamber 20a into the washing chamber.
  • the detergent dosing system 10 is arranged in the door 3 of the dishwasher.
  • the opening for loading the detergent dispenser 11 can be arranged in the area of a panel of the dishwasher or the inner door of the door.
  • the advantage of the arrangement according to 2 consists in a more convenient insertion and removal of the cartridge for the user.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (29)

  1. Appareil ménager à circulation d'eau, notamment lave-vaisselle à usage domestique, présentant un système de dosage de détergent (10) qui présente au moins un distributeur de détergent (11) destiné au logement d'au moins une cartouche (50), la cartouche (50) présentant des chambres (51a, ..., 51e) séparées pour le stockage d'au moins deux détergents,
    caractérisé en ce que
    chaque chambre (51a, ..., 51e) présente un volume de réception pour le stockage de détergents qui est plus grand que les quantités nécessaires pour un cycle de lavage, une chambre de ventilation (52), outre les chambres (51a, ..., 51e) destinées au logement des détergents, étant ménagée, laquelle est en liaison avec les chambres (51a, ..., 51e) contenant les détergents, dans lequel la chambre de ventilation (52) fait partie de la cartouche (50).
  2. Appareil ménager à circulation d'eau selon la revendication 1,
    caractérisé en ce que
    la chambre de ventilation (52) est en liaison avec les chambres (51a, ..., 51e) contenant les détergents par l'intermédiaire de canaux de ventilation (53) situés dans un couvercle (54) fermant les chambres individuelles.
  3. Appareil ménager à circulation d'eau selon l'une quelconque des revendications 1 à 2,
    caractérisé en ce que
    le distributeur de détergents (11) est disposé dans un espace intérieur de l'appareil ménager à circulation d'eau.
  4. Appareil ménager à circulation d'eau selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    la cartouche (50) présente des chambres (51a, ..., 51e) séparées les unes des autres, destinées au stockage de plus de 2 et de moins de 10 détergents, de préférence de 7 détergents.
  5. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les chambres (51a, ..., 51e) respectives sont disposées dans un carter de cartouche commun.
  6. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la cartouche (50) est munie d'au moins une fermeture (25a, ..., 25e) pouvant être ouverte pour la distribution de détergent, laquelle fermeture, lors de l'insertion dans le système de dosage de détergent (10), peut être ouverte, notamment automatiquement, et lors du retrait de la cartouche (50) hors du système de dosage de détergent (10), peut être fermée, notamment automatiquement.
  7. Appareil ménager à circulation d'eau selon la revendication 6,
    caractérisé en ce que
    la cartouche (50) présente une fermeture (25a, ..., 25e) pouvant être ouverte pour chacune de ses chambres (51a, ..., 51e).
  8. Appareil ménager à circulation d'eau selon la revendication 6 ou 7,
    caractérisé en ce que
    la fermeture (25a, ..., 25e), pouvant être ouverte, d'une cartouche (50) se trouvant dans le système de dosage de détergent (10) en position de montage est disposée en bas en direction de la pesanteur.
  9. Appareil ménager à circulation d'eau selon l'une quelconque des revendications 4 à 8,
    caractérisé en ce que
    la fermeture (25a, ..., 25e), pouvant être ouverte est formée par une membrane.
  10. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'au moins une cartouche (50) présente au moins un dispositif de transport à l'aide duquel les au moins deux détergents peuvent être transportés dans l'espace de lavage (4) du lave-vaisselle (1).
  11. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes, caractérisé en ce que
    la distribution des aux moins deux détergents est réalisée par gravité.
  12. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes, caractérisé en ce que
    le dosage des au moins deux détergents est réalisé par établissement d'un temps d'écoulement.
  13. Appareil ménager à circulation d'eau selon la revendication 12,
    caractérisé en ce que
    l'appareil ménager à circulation d'eau présente un dispositif de commande qui est en liaison active avec au moins une des fermetures (25a, ..., 25e) pouvant être ouvertes et est réalisé pour déterminer le temps d'écoulement des au moins deux détergents selon la formule n= x + n - 1 · y t n = x + n − 1 ⋅ y
    Figure imgb0005
    t étant le temps d'écoulement du détergent
    n étant le numéro du cycle de lavage
    x étant le temps d'écoulement du détergent du premier cycle de lavage
    y étant une constante
    et l'unité de commande étant réalisée pour la sortie de signaux de commande des fermetures (25a, ..., 25e) pouvant être ouvertes.
  14. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins une pompe est ménagée pour le dosage d'au moins un détergent.
  15. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le boîtier de cartouche dispose d'un codage mécanique qui peut coopérer avec un contre-codage côté réception afin de définir la position de montage dans le lave-vaisselle.
  16. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le boîtier de cartouche présente une étendue longitudinale le long d'un axe principal.
  17. Appareil ménager à circulation d'eau selon la revendication 16,
    caractérisé en ce que
    l'axe principal est plus long que les axes secondaires du boîtier (2) de la cartouche (50).
  18. Appareil ménager à circulation d'eau selon la revendication 16 ou 17,
    caractérisé en ce que
    les chambres (51a, ..., 51e) de la cartouche (50) sont disposées les unes à côté des autres le long de l'axe principal.
  19. Appareil ménager à circulation d'eau selon l'une quelconque des revendications 16 à 18,
    caractérisé en ce que
    l'étendue le long de l'axe principal est plus grande d'au moins le facteur 1,5 que l'étendue le long d'un axe secondaire.
  20. Appareil ménager à circulation d'eau selon la revendication 19,
    caractérisé en ce qu'
    une étendue le long d'un premier axe secondaire est plus grande du facteur 3 que l'étendue le long d'un deuxième axe secondaire.
  21. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'
    au moins une section du boîtier de cartouche, orientée vers l'espace de lavage (4) du lave-vaisselle (1), lorsque celle-ci est disposée dans le système de dosage de détergent (10), présente une isolation thermique qui au moins délimite un courant de chaleur de l'espace de lavage (4) en direction du système de dosage de détergent (10).
  22. Appareil ménager à circulation d'eau selon la revendication 21,
    caractérisé en ce que
    l'isolation thermique est formée par un volume de gaz disposé dans la section.
  23. Appareil ménager à circulation d'eau selon la revendication 21,
    caractérisé en ce que
    l'isolation thermique est formée par un matériau isolateur constitué de matière solide ou de liquide.
  24. Appareil ménager à circulation d'eau selon les revendications 22 et 23,
    caractérisé par
    une isolation thermique constituée d'une combinaison de différents matériaux qui sont disposés les uns derrière les autres en direction de la dispersion de chaleur.
  25. Appareil ménager à circulation d'eau selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'
    au moins un moyen de mesure de niveau de remplissage d'au moins un volume de détergent contenu dans les chambres (51a, ..., 51e) est ménagé.
  26. Appareil ménager à circulation d'eau selon la revendication 25,
    caractérisé en ce que
    le moyen de mesure de niveau de remplissage est réalisé pour la sortie d'un signal, lorsque le détergent contenu dans la cartouche (50) dépasse vers le bas une quantité résiduelle prédéterminée.
  27. Appareil ménager à circulation d'eau selon la revendication 26,
    caractérisé en ce que
    le moyen de mesure de niveau de remplissage est réalisé pour la sortie d'un signal, lorsque le détergent contenu dans la cartouche (50) est suffisant pour la réalisation d'un nombre prédéfini m de cycles de lavage.
  28. Appareil ménager à circulation d'eau selon la revendication 27,
    caractérisé en ce que
    le nombre m de cycles de lavage est compris entre 2 et 5.
  29. Appareil ménager à circulation d'eau selon l'une quelconque des revendications 25 à 28,
    caractérisé en ce que
    le moyen de mesure de niveau de remplissage est basé sur un principe de mesure optique, acoustique ou capacitif.
EP07802987.3A 2006-09-19 2007-08-29 Appareil ménager acheminant de l'eau et comprenant un système de dosage de détergent, et cartouche appropriée Active EP2073682B2 (fr)

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DE102006043915A DE102006043915A1 (de) 2006-09-19 2006-09-19 Wasserführendes Haushaltsgerät mit einem Reinigungsmitteldosiersystem sowie Kartusche hierfür
PCT/EP2007/058970 WO2008034692A1 (fr) 2006-09-19 2007-08-29 Appareil ménager acheminant de l'eau et comprenant un système de dosage de détergent, et cartouche appropriée

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US20140167579A1 (en) 2014-06-19
PL2073682T3 (pl) 2018-09-28
US20100000580A1 (en) 2010-01-07
US8696828B2 (en) 2014-04-15
US9610001B2 (en) 2017-04-04
EP2073682A1 (fr) 2009-07-01
EP2073682B1 (fr) 2018-03-14
PL2073682T5 (pl) 2023-09-25
DE102006043915A1 (de) 2008-03-27
WO2008034692A1 (fr) 2008-03-27

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