EP1723890B1 - Geschirrspülmaschine mit mehreren Waschzonen - Google Patents

Geschirrspülmaschine mit mehreren Waschzonen Download PDF

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Publication number
EP1723890B1
EP1723890B1 EP06114065.3A EP06114065A EP1723890B1 EP 1723890 B1 EP1723890 B1 EP 1723890B1 EP 06114065 A EP06114065 A EP 06114065A EP 1723890 B1 EP1723890 B1 EP 1723890B1
Authority
EP
European Patent Office
Prior art keywords
washing
machine according
zone
water
separation wall
Prior art date
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Active
Application number
EP06114065.3A
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English (en)
French (fr)
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EP1723890A1 (de
Inventor
Jacques Bretaud
Benjamin Bouillon
Philippe Bonnet
Jean-Francis Clement
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.)
Groupe Brandt SAS
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Groupe Brandt SAS
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Publication of EP1723890A1 publication Critical patent/EP1723890A1/de
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Publication of EP1723890B1 publication Critical patent/EP1723890B1/de
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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
    • A47L15/42—Details
    • A47L15/4246—Details of the tub
    • A47L15/4248—Arrangements for dividing the tub compartment, e.g. for simultaneous washing of delicate and normal crockery
    • 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
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door

Definitions

  • the present invention relates to a dishwashing machine comprising a vessel divided into at least two washing zones by a partition wall equipping such a dishwashing machine.
  • It relates generally to domestic dishwashers comprising one or more baskets loading the dishes.
  • This arrangement of the baskets in the washing tank divided into two washing zones by a partition wall allows a washing program to be carried out in one of said washing zones by operating a washing water spraying means while the spraying means washing water from the second washing zone is stopped.
  • the separation wall has the effect of preventing the jets of the lower spray means from passing into the upper washing zone.
  • said partition wall allows the washing water to pass from the upper washing zone to the lower washing zone through an orifice formed in the separation wall.
  • a dishwashing machine comprising a separate bowl in two washing areas, one of which is intended for dishes and the second for utensils, with a partition wall preventing washing water and dirt particles from passing through from the utensil wash area to the dishwashing area.
  • a dishwashing machine comprising a vessel divided into two washing zones, as well as at least one spraying device in each washing zone, and a separating wall through which the washing water can pass.
  • An object of the present invention is to solve the aforementioned drawbacks and to provide a dishwashing machine comprising a separate bowl in at least two washing zones by a wall of separation, making it easier to load the dishes, improving the washing of the dishes and the partition wall.
  • the present invention is directed to a dishwashing machine comprising a vessel whose front face is closed by a door and surrounded by a housing comprising an upper wall, side walls, a bottom wall and a wall. lower, said vessel being divided into at least two washing zones one above the other separated by at least one separation wall and said washing zones communicating with each other, and at least one a washing water spraying means on the dishes in each washing zone.
  • the partition wall comprises at least one concavity facing downwards.
  • this section makes it possible to reduce as much as possible the bulk of the partition wall in the two washing zones.
  • This separation wall makes it possible to wash the dishes loaded in the dish baskets differently from the different washing zones.
  • the concavity facing downwards has the shape of a cylinder portion.
  • This dividing wall makes it possible to load a basket with large circular utensils or dishes.
  • the positioning of the concavity facing downwards corresponds to the location of plates arranged in a basket of dishes below the partition wall.
  • the partition wall comprises two concavities facing downwards connected to each other.
  • the partition wall can thus incorporate additional functions in the connection zone.
  • each concavity comprises a horizontal axis coaxial with an axis passing through the center of the plates.
  • this separation wall makes it possible to minimize the space lost between the dishes of the lower load and that of the upper load.
  • each concavity facing downwards is connected to a lateral surface coming into contact with a side wall of the tank.
  • the partition wall makes it possible to eliminate the flows between the two washing zones on the sides so as not to dirty the dishes contained in the lower washing zone.
  • the connecting surfaces of the partition wall form a slope inclined towards the rear and the bottom of the washing tub so as to drain the washing water to the bottom wall.
  • the inclination of the connecting surfaces of the partition wall minimizes the thickness at the front of said partition wall. This feature allows entry and exit of the lower and upper baskets containing the largest possible loading volumes.
  • the slopes allow the flow of washing water on the sides and in the central part towards the rear of the tank.
  • This shape of the separation wall makes it possible to accelerate the circulation of the washing water and to minimize the volume of washing water consumed by the flows.
  • a dishwashing machine 1 comprising a tank 2 whose front face 3 is closed by a door 4, and surrounded by a housing 5 (shown partially) comprising an upper wall 6, side walls 7, a bottom wall 8 and a bottom wall 9, said vessel 2 being divided into at least two washing zones 10 and 11 one above the other separated by at least one separation wall 12 and said washing zones 10 and 11 communicating with each other; with each other, as well as at least one means 13 for spraying washing water on the dishes in each washing zone 10 and 11.
  • a wash water is defined as water allowing the cleaning of the dishes and circulating in a hydraulic circuit 35 of a dishwashing machine 1.
  • the origin of the washing water is a water coming from the 1.
  • This washing water changes during the course of a washing cycle and may contain a proportion of its constituents containing detergents, for example surfactants and enzymes, -calcaires of zeolite type, and dirt of any kind, that is to say, organic matter, or other.
  • the tank 2 comprises an upper wall 28, side walls 29, a bottom wall 30 and a bottom wall 31.
  • the casing 5 of the dishwashing machine 1 is adapted to house the washing tank 2, which is particularly suitable for containing the washing and rinsing water of the phases of a washing cycle.
  • Said washing zones 10 and 11 described in this embodiment are defined as the first washing zone 10 being located in the upper part of the tank 2 and the second washing zone 11 being located in the lower part of the tank 2.
  • Each of said washing zones 10 and 11 has a front opening allowing access to said washing zones 10 and 11.
  • a basket of dishes 14 is mounted in each washing zone 10 and 11.
  • the basket of dishes 14 located in the upper part of the washing tub is designated upper basket 14a and basket 14 of the part bottom of the tank 2 by lower basket 14b.
  • the dish baskets 14a and 14b can be pushed and removed from the washing areas 10 and 11 by sliding them inside the bowl 2 of the dishwashing machine 1 at the end of a wash cycle for unloading the dishes at the beginning of the washing cycle for loading the dishes.
  • This dishwashing machine 1 comprises at least two washing zones 10 and 11 and is provided with a common pump for the circulation of the washing water in one or the other washing zone 10 and 11 or in all washing areas simultaneously.
  • the dishwashing machine 1 selectively or concurrently activates one or more washing zones 10 and 11 if the dirty dishes are loaded into a washing zone 10 and 11 or more.
  • Said pump 20 also allows the tank 2 to be emptied.
  • Control means make it possible to unroll independent or sequential predetermined washing programs for each of said washing zones.
  • This dishwashing machine 1 also comprises a door 4 formed in particular of two parts.
  • the first part of the door 4 corresponds to the external facade 22 visible to the customer.
  • the facade may also be a panel adapted to receive a piece of furniture of the kitchen.
  • the second part of the door 4 is the counter door 23.
  • the baskets 14a and 14b include facades 24 placed on the front walls of said baskets 14a and 14b vis-à-vis the counter door 23 of the door 4.
  • first water spraying means 13a washing apparatus and a second washing water spraying means 13b are disposed in said first washing zone 10 and said second washing zone 11 for spraying the dirty dishes loaded in the crockery baskets 14a and 14b.
  • the dishwashing machine 1 comprises a first spraying means 13a associated with the first washing zone 10 comprising a rotatable spray arm 26 disposed in the lower portion of the first washing zone 10 for spraying. washing water on the dishes in a bottom-up direction and a spray nozzle 27 assembled on the upper wall 28 of the tank 2 of the first washing zone 10 to spray wash water on the dishes in a direction from top to bottom.
  • a second spraying means 13b associated with the second washing zone 11 has a rotatable spray arm 32 disposed in the lower portion of the second washing zone 11 for spraying wash water onto the dishes in a direction of rotation. bottom up and a spray nozzle 33 connected to the partition wall 12.
  • the washing of the crockery can be carried out independently in one of said washing zones 10 and 11 or simultaneously with all the washing zones 10 and 11.
  • the dishwashing machine operates in such a way as to minimize the volume of washing water in a bowl 34 formed in the bottom wall 31 of the tank 2 from the first and second spraying means 13a and 13b.
  • the pump draws the wash water in the bowl 34 to circulate said pressurized wash water to the spray means 13. Then, the wash water returns to the bowl 34.
  • the pump 20 is driven by an electric motor.
  • This pump 20 operates during the water filling of said bowl 34 so as to control a water introduction valve according to the value of the pressure produced by said pump.
  • the state, open or closed, of the solenoid valve depends on the quantity of water obtained in the tank 2.
  • the dishwashing machine 1 also includes a multi-position valve for directing the pressurized wash water from the pump 20 to the various parts of the hydraulic circuit 35 depending on the wash cycle.
  • a main advantage of this dishwashing machine 1 is the flexibility of use from a tank 2 separated into at least two washing zones 10 and 11. independent and connected together. This device allows the user to choose to load one or more washing areas depending on the dishes to be washed and also to select a longer or shorter program and more or less intensive.
  • Such a dishwasher 1 is compatible from the structure of a conventional dishwasher.
  • partition wall 12 of the tank 2 for a dishwasher 1 comprises a concavity facing down 15. But, it is understood that this partition wall 12 may have a plurality of such downwardly facing concavities 15, as illustrated in FIGS. figures 3 and 4 .
  • the downward concavity 15 is in the form of a cylinder portion.
  • the positioning of the concavity turned down 15 corresponds to the location of plates 16 arranged in a basket of dishes 14 below the partition wall 12.
  • the shape given to the partition wall 12 is intended to adapt to the dishes loaded in the lower basket 14b.
  • Said dishes loaded in the lower basket 14b can be plates 16 or dishes.
  • a cylindrical type of shape reduces the bulk of the partition wall 12 to a minimum.
  • the shape of the partition wall 12 is made in the loading direction of the plates 16 in the lower basket 14b.
  • the partition wall 12 comprises two downward facing concavities 15 connected to each other so as to form two plate loading locations 16, as illustrated in FIG. figure 3 .
  • the two downwardly facing concavities 15 are substantially identical in shape and adapted to be held edge to edge so as to form the partition wall 12.
  • each concavity 15 has a horizontal axis 17 coaxial with an axis 18 passing through the center of the plates.
  • the connecting surfaces 19 of the partition wall 12 form a slope inclined towards the rear and the bottom of the washing tank 2 so as to drain the washing water to a bottom wall 30 of the tank 2.
  • the partition wall 12 is inclined at an angle greater than 1 ° towards the rear and the bottom of the washing tank 2.
  • the angle of inclination of the connecting surfaces 19 is such that the washing water sprayed in a washing zone 10 located above the partition wall 12 flows rapidly to the bottom wall 30 of the tank 2.
  • the partition wall is inclined at an angle of the order of 2.5 °.
  • the number of connecting surfaces 19 is three in number.
  • a first connecting surface 19 is located between the two concavities 15.
  • the other two connecting surfaces 19 are located between a concavity 15 and the outer edge of the partition wall 12.
  • a first washing zone communicates with a second washing zone by at least one washing water flow zone 36 through the separation wall 12.
  • the partition wall 12 comprises three washing water flow zones 36 from a first zone 10 to a second washing zone 11.
  • Each downward concavity 15 is connected to a lateral surface 19 coming into contact with a side wall 29 of the tank 2.
  • the partition wall 12 is connected to the side walls 29 possibly sealingly.
  • the partition wall 12 comprises at least one water supply channel 37 of a detergent box 38.
  • the partition wall 12 comprises two water supply channels 37 of a detergent box 38 each corresponding to a washing zone 10 and 11 of the tank 2.
  • partition wall 12 may comprise means 13 for spraying washing water.
  • the partition wall occupies a footprint of the order of 3mm thick.
  • the partition wall 12 is integral with a basket of dishes 14.
  • this partition wall 12 is fixed to the upper basket 14a.
  • this partition wall 12 is removable in order to be able to transform the dishwasher 1 from a conventional configuration of the tank 2 to a tank 2 separated into two washing zones 10 and 11.
  • the invention consists in allowing at least two washing zones 10 and 11 of the tank 2 of a dishwashing machine 1 to function independently.
  • a dishwashing machine 1 comprising at least two washing zones 10 and 11 makes it possible to carry out a washing cycle in only one of said washing zones 10 and 11, ie to carry out a washing cycle identical to at least two washing zones 10 and 11, such as in a conventional dishwasher, or performing a different wash cycle in at least two washing zones 10 and 11.
  • an "intensive” washing cycle can be carried out in the washing zone 11 and a so-called “fragile” washing cycle can be carried out in the washing zone 10.
  • the washing device consists of the following elements.
  • the tank 2 of the dishwashing machine 1 whose front face 3 is closed by a door 4, and surrounded by a housing 5 comprising an upper wall 6, side walls 7, a bottom wall 8 and a bottom wall 9, said tank 2 is divided into at least two washing zones 10 and 11 one above the other separated by at least one separation wall 12 and said washing zones 10 and 11 communicating with each other. with each other, as well as at least one washing water spraying means 13 on the dishes in each washing zone 10 and 11, a bowl 34 formed in the lower wall 31 of the tank 2 to receive the spray wash water in said washing zones 10 and 11, a single wash water pump communicating with the bowl 34.
  • the washing device comprises a control means (not shown) controlling each spraying means 13 according to the washing steps of a selected program.
  • the role of this control means is to allow the unfolding of a washing cycle independently for each washing zone 10 and 11.
  • Each of said washing zones 10 and 11 having its own spraying means 13.
  • the washing device comprises for each washing zone a part of the hydraulic circuit 35 corresponding to one of the spraying means 13.
  • Said part of the hydraulic circuit 35 is supplied with washing water by a supply means and a pipe separating the hydraulic circuits of each washing zone 10 and 11 at the outlet of said supply means.
  • the feeding means is a hydraulic distributor.
  • the hydraulic distributor includes a multi - position rotary disc valve.
  • a temporary reservoir can be provided between the spraying means 13 and the bowl 34.
  • the process starts with a first phase initiating the start of a phase of a wash cycle in at least two washing zones. and 11 of the tank 2.
  • This departure can be the launch of a departure from a program selected by the user or the start of a phase of a wash cycle.
  • a washing phase in at least a first washing zone 10 is stopped.
  • a partial quantity of washing water contained in the tank 2 can be drained via a pump 20 so as to use only the strictly necessary amount of washing water in the hydraulic circuit 35 for the operation of the water.
  • a washing phase in at least a second washing zone 11 continues. Said first washing zone 10 waits for the end of the washing phase of said second washing zone 11.
  • Each spraying means 13 is independently controlled to unwind a washing cycle decomposed into phases.
  • This washing method makes it possible to differentiate the duration, the temperature of each washing phase unwound in each of the washing zones 10 and 11.
  • the stopping of a washing cycle in a washing zone 10 or 11 can be linked to a lower operating temperature or at a lower time. Continuing the washing cycle in an active washing zone 10 or 11 may optionally allow the washing water to be heated through said washing zone 10 or 11.
  • the wash water temperature increases in at least one active wash zone 10 or 11.
  • the method can allow variations of the pressures of the wash water in each active washing zone 10 and 11 by changing the speed of rotation of the pump. supplying the spraying means 13 of each washing zone 10 and 11.
  • the wash water spray pressure increases in at least one active wash zone 10 or 11.
  • the amount of wash water is adjusted to the amount of wash water required for operation of at least one active zone 10 or 11.
  • the drying step takes place simultaneously for all said washing zones 10 and 11 of the tank 2.
  • a particular embodiment of the cleaning device of the counter door 23 of a dishwashing machine 1 essentially comprises a tank 2 connected to a hydraulic circuit 35, the front face 3 of which is closed by a door 4, and said vessel 2 being surrounded by a housing 5 comprising an upper wall 6, side walls 7, a bottom wall 8 and a bottom wall 9, said vessel 2 being equipped with dish baskets 14 comprising at least one facade 24 vis-à-vis the front face 3 of said vessel 2, and at least one spray means 13 washing water on the dishes disposed in the washing tub 2, said door 4 comprising an outer facade 22 and a counter door 23.
  • the invention consists in cleaning the counter door 23 of a door 4 of tank 2 during the washing cycle of a dishwashing machine 1 of the stains fallen from the dishes and baskets 14 during the loading of the dishes. Indeed, dirt falls on the surface constituting the counter door 23 at each output of a basket 14 for loading the dishes.
  • the counter door 23 has the function of extending the bottom wall 31 of the tank 2.
  • the cleaning device comprises sprinkling means 39 formed on the upper wall 28 of the washing tank 2 for spraying wash water in a zone 40 between the counter door 23 and the facades 24 of baskets 14.
  • the sprinkling means 39 can spray washing water directly on the counter door 23. This direction of the flow of the wash water has the advantage of distributing and diluting a detergent product contained in a box. detergent products 38 that can be disposed in the counter door 23.
  • the device comprises a hydraulic distributor positioned at the outlet of the pump 20 and upstream of the supply circuit of the spraying means 13 and the watering means 39, which prevents the water from entering the supply channel of the pumps. watering means 39 when it is not desired to operate said watering means 39 during washing or rinsing.
  • the hydraulic circuit 35 for supplying the spraying means 13 and the spraying means 39 comprises, in particular, a feed and circulation pump 20 as well as a filtration system.
  • the role of the feed and circulation pump 20 is to draw water from the tank 2 and supply the various parts of the hydraulic circuit 35.
  • the tank 2 is divided into at least two washing areas 10 and 11 one above the other separated by at least one partition wall 12 and said washing areas 10 and 11 communicating with each other.
  • one of said washing zones 10 or 11 may contain so-called “clean” dishes while another washing zone 10 or 11 may contain so-called “dirty” dishes.
  • Each washing zone comprises at least one means 13 for spraying wash water on the dishes.
  • one of said washing zones 10 or 11 can be washed without contaminating by soiling or splashing wash water said second washing zone 10 or 11.
  • the watering means 39 comprise a fixed irrigation boom.
  • Other watering means 39 may be used, such as for example a rotary nozzle or an oscillating nozzle.
  • the process starts with at least one step of spraying washing water in a zone 40 between the counter door 23 and the facades 24 of baskets 14.
  • This washing water spray step may be a function of the dish load in the tank 2 or the amount of detergent products.
  • a washing water spraying step in the zone 40 between the counter-door 23 and the facades 24 of baskets 14 is performed alternately with a step of spraying washing water on the dishes.
  • the total power of the pump 20 is available for spraying washing water on the one hand on the dishes and on the other hand in a zone 40 between the counter door 23 and the facades 24 of baskets 14.
  • the washing process of the counter door 23 is implemented automatically between the washing cycles after each addition of dirty dishes in the dishwasher 1.
  • the dishwashing machine 1 proposes to the user to start a washing cycle of the counter door 23 after each addition of dishes.
  • the quality of the back door 23 is obtained by means of watering means 39 making it possible to avoid the shadow zones created by the facades 24 of the baskets 14 for the jets of washing water of the means. spraying 13.
  • This dishwashing machine 1 comprises a tank 2 connected to a hydraulic circuit 35 comprising at least one pump 20, whose front face 3 of said tank 2 is closed by a door 4, and said tank 2 is surrounded by a housing 5 comprising an upper wall 6, side walls 7, a bottom wall 8 and a bottom wall 9, said tank 2 being equipped with at least one dish rack 14 comprising at least one facade 24 vis-à-vis the front face 3 of said vessel 2, as well as at least one means 13 for spraying washing water on the dishes arranged in the washing vat 2, said door 4 comprising an outer facade 22 and a counter door 23.
  • the door 4 of the tank 2 makes it possible to close an opening 41 made in the tank 2.
  • This door 4 of the tank 2 can thus be movable between a closed position in which it closes the opening 41, in a sealed manner, and an open position. .
  • the tank door 4 is pivotally mounted about an axis of rotation integral with the housing 5 of the dishwashing machine 1.
  • the dishwashing machine 1 comprises a detergent box 38 partially disposed between the counter door 23 and the facades 24 of the baskets 14 of dishes.
  • the detergent box 38 includes a portion for the flow of detergents between the counter door 23 and the facades 24 of the baskets 14 of dishes.
  • the detergent box 38 is arranged on the upper part of one of the facades 24 baskets 14 dishwashing.
  • the front 24 of the dish rack 14 located in the lower part of the dishwashing machine 1 comprises the detergent box 38.
  • the flow of wash water between the counter door 23 and the facades 24 is directed to a pump of the hydraulic circuit 35.
  • the tank 2 is divided into at least two washing zones 10 and 11 one above the other separated by at least one separation wall 12 and said washing zones 10 and 11 communicating with each other. with each other.
  • the embodiment described makes it possible to use a single box of detergent products 38.
  • the use of such a dishwashing machine 1 is simplified for the user since there can be no mistaken product box. detergents 38 when launching a washing program.
  • the detergent box 38 is convenient to access.
  • the partition wall 12 comprises at least one channel feeding 37 water wash.
  • the partition wall 12 comprises as many washing water supply channels 37 as washing zones 10 and 11.
  • Each washing water supply channel 37 is connected to a part of the hydraulic circuit 35 corresponding to a washing zone 10 or 11 of the tank 2.
  • the detergent box 38 is supplied with wash water by a part of the hydraulic circuit 35 of a washing zone 10 or 11 or by at least two feed channels 37 at the same time.
  • the washing water supply of the detergent box 38 is carried out by at least one branch of the supply circuit parts of the spraying means 13.
  • the washing water supply of the detergent box is carried out at a flow rate of the order of 3L / min.
  • the detergent box 38 is fed with at least two jets of wash water. Each jet of washing water corresponds to the spraying of a washing zone 10 or 11.
  • the detergent box 38 is emptied under the effect of one or other of the jets of wash water or at least two streams of wash water simultaneously.
  • the detergent box 38 is connected to at least one washing water supply channel 37 supported by the partition wall 12.
  • the detergent box 38 is supplied with washing water simultaneously by at least two supply channels 37 supported by the partition wall 12.
  • the washing water supply of the detergent box 38 causes the dissolution and flow of detergents.
  • This detergent box 38 is disposed in a housing 24 of a basket facade 14 to protect the washing zone (s) 10 or 11 located beneath the flows of washing water loaded with detergents.
  • the detergent box 38 is attached to the partition wall 12 by clipping means.
  • the partition wall 12 comprises a housing inside which the detergent box 38 moves longitudinally.
  • the detergent box 38 channels the washing water flows into the zone 40 between the counter-door 23 and the facades 24 of the baskets 14.
  • the partition wall comprises a means for cutting off the supply of washing water such as a valve of the thermal or electrical type.
  • dispensing detergent products is compatible with a dishwashing machine 1 comprising a wash cycle with a prewash step for at least one washing zone 10 or 11.
  • the detergent box 38 is powered by an independent circuit.
  • the process starts with a first step of supplying washing water to the detergent box.
  • This volume of water may be a function of the load of dishes in the tank 2 or the amount of detergents.
  • a partial amount of washing water contained in the tank 2 is sucked by the feed pump and circulation. This washing water is fed into a feed channel 37 in order to dissolve the detergent product contained in the detergent box 38.
  • This washing water passes through the detergent box 38 and at least a portion of the detergents is discharged to the pump 20 by flowing in the zone 40 between the counter door 23 and the basins 24 facades 14, and leads in the supply circuit of the spraying means 13 and sprinkler 39.
  • the wash water feeds at least one active washing zone.
  • a hot rinsing process in a dishwashing machine 1 comprising at least one tank 2 connected to a hydraulic circuit 35 comprising at least one pump, said tank 2 is equipped with dish racks 14, whose front face 3 of said tank 2 is closed by a door 4, and surrounded by a housing 5 comprising an upper wall 6, side walls 7, a bottom wall 8 and a bottom wall 9, and at least one water spraying means 13 washing on the dishes disposed in the washing tank 2, said tank 2 comprises at least two washing zones 10 and 11, and means for heating the tank 2.
  • the invention consists in allowing the drying of all types of dishwashing in a uniform manner irrespective of the washing zone 10 or 11 of the tank 2.
  • the dishes have different drying behaviors depending on the nature of the materials, the size of the dishes, the use of the dishes and the quality of the air circulation in the washing areas 10 and 11 in the tank 2.
  • the tank 2 comprises the tank at least two washing zones 10 and 11 having different drying temperatures.
  • a temperature T1 is between 60 ° C and 70 ° C and a temperature T2 is between 63 ° C and 73 ° C.
  • the temperature T2 is greater than the temperature T1.
  • the process starts with a first step of heating the washing tank 2 to a temperature threshold T1.
  • the course of the hot rinsing step to a temperature T1 is in accordance with a current process in a dishwashing machine 1.
  • the rinse water circulation is stopped in at least a first zone 10 or 11 of the tank 2 where the initial drying temperature is T1.
  • the rinsing cycle stops in the washing zone 10 or 11 requiring a lower drying temperature than in the other washing zones 10 or 11.
  • the rinsing cycle and the water heating continue in the washing zones 10 or 11. active washing zones up to a temperature T2. In this way, all drying balances are possible.
  • the tank 2 is divided into at least two washing zones 10 and 11 one above the other separated by at least one partition wall 12 and said zones 10 and 11 communicating with each other. one with the other.
  • the hot rinsing step makes it possible to homogenize the drying performance by offsetting the problems of pressure drop associated with the drying. ventilation of the tank 2.
  • each washing zone 10 or 11 comprises a spraying means 13 for rinsing water on the dishes.
  • an emptying of rinsing water contained in the tank 2 is performed so as to retain the necessary amount of rinsing water for the hot rinsing step of said at least second washing zone 10 or 11.
  • a branch of the hydraulic circuit 35 is associated with each washing zone 10 and 11.
  • the dishwashing machine 1 comprises a single pump 20 for supply the entire hydraulic circuit 35.
  • a washing zone 10 or 11 is dedicated to small pieces of crockery and a washing zone 10 or 11 is dedicated to large pieces of crockery.
  • the hydraulic circuit comprises a hydraulic distributor for supplying at least one of said washing zones 10 or 11, comprising in particular a valve and a valve.

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Claims (18)

  1. Geschirrspülmaschine, umfassend einen Behälter (2), dessen Vorderseite (3) von einer Tür (4) verschlossen ist, und der umgeben ist von einem Gehäuse (5), umfassend eine obere Wand (6), Seitenwände (7), eine hintere Wand (8) und eine untere Wand (9), wobei besagter Behälter (2) in mindestens zwei Waschbereiche (10, 11) unterteilt ist, einer über dem anderen, die durch mindestens eine Trennwand (12) getrennt sind und wobei die Waschbereiche (10, 11) miteinander verbunden sind, sowie mindestens eine Vorrichtung zum Sprühen (13) von Spülwasser über das Geschirr in jedem Waschbereich (10, 11), dadurch gekennzeichnet, dass besagte Trennwand (12) mindestens eine nach unten gerichtete Konkavität (15) umfasst.
  2. Geschirrspülmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die nach unten gerichtete Konkavität (15) die Form eines Zylinderteils aufweist.
  3. Geschirrspülmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Positionierung der nach unten gerichteten Konkavität (15) einem Platz für Teller (16) entspricht, angeordnet in einem Geschirrkorb (14) unter der Trennwand (12).
  4. Geschirrspülmaschine nach einem beliebigen der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Trennwand (12) zwei nach unten gerichtete Konkavitäten (15) umfasst, die untereinander angeschlossen sind.
  5. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der Ansprüche 3 bis 4, dadurch gekennzeichnet, dass jede Konkavität (15) eine horizontale Achse (17) umfasst, koaxial zu einer Achse (18), welche durch die Mitte der Teller (16) verläuft.
  6. Geschirrspülmaschine nach einem beliebigen der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass jede nach unten gerichtete Konkavität (15) mit einer Seitenfläche (19) in Verbindung steht, die in Berührung kommt mit einer Seitenwand (29) des Behälters (2).
  7. Maschine zum Spülen und Trocknen von Geschirr nach Anspruch 4, dadurch gekennzeichnet, dass die Verbindungsflächen (19) der Trennwand (12) eine zum hinteren und unteren Teil des Spülbehälters (2) geneigte Schräge bilden, damit das Spülwasser zur Hinterwand (30) des Behälters (2) ablaufen kann.
  8. Maschine zum Spülen und Trocknen von Geschirr nach Anspruch 7, dadurch gekennzeichnet, dass die Trennwand (12) in einem Winkel von über 1° zum hinteren und unteren Teil des Spülbehälters (2) geneigt ist.
  9. Maschine zum Spülen und Trocknen von Geschirr nach Anspruch 8, dadurch gekennzeichnet, dass die Trennwand (12) in einem Winkel von etwa 2,5° geneigt ist.
  10. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Trennwand (12) mindestens einen Bereich zum Ablaufen (36) von Spülwasser vom ersten Bereich (10) in den zweiten Waschbereich (11) umfasst.
  11. Maschine zum Spülen und Trocknen von Geschirr nach Anspruch 10, dadurch gekennzeichnet, dass die Trennwand (12) drei Bereiche zum Ablaufen (36) von Spülwasser von einem ersten Waschbereich (10) in einen zweiten Waschbereich (11) umfasst.
  12. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Trennwand (12) dicht an zwei Seitenwände (29) angeschlossen ist.
  13. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trennwand (12) mindestens einen Kanal zur Versorgung (37) mit Wasser eines Behälters mit Waschmittelprodukten (38) umfasst.
  14. Maschine zum Spülen und Trocknen von Geschirr nach Anspruch 13, dadurch gekennzeichnet, dass die Trennwand (12) zwei Kanäle zur Versorgung (37) mit Wasser eines Behälters mit Waschmittelprodukten (38) umfasst, wobei jeder einem Waschbereich (10, 11) des Behälters (2) entspricht.
  15. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trennwand (12) Vorrichtungen zum Sprühen (13) von Spülwasser umfasst.
  16. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trennwand (12) ein Maß von etwa 3 mm Dicke hat.
  17. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trennwand (12) herausnehmbar ist.
  18. Maschine zum Spülen und Trocknen von Geschirr nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trennwand (12) mit einem Geschirrkorb (14) fest verbunden ist.
EP06114065.3A 2005-05-19 2006-05-17 Geschirrspülmaschine mit mehreren Waschzonen Active EP1723890B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0505005A FR2885785B1 (fr) 2005-05-19 2005-05-19 Machine a laver la vaisselle a plusieurs zones de lavage

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EP1723890A1 EP1723890A1 (de) 2006-11-22
EP1723890B1 true EP1723890B1 (de) 2017-11-08

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Publication number Priority date Publication date Assignee Title
GB0610906D0 (en) * 2006-06-01 2006-07-12 Univ Coventry Dishwasher
US20100139720A1 (en) * 2008-12-09 2010-06-10 Whirlpool Corporation Dishwasher with carrousel interface
JP5857201B2 (ja) * 2011-09-30 2016-02-10 パナソニックＩｐマネジメント株式会社 食器洗い機
EP3212055B1 (de) * 2014-10-30 2018-06-27 Arçelik Anonim Sirketi Geschirrspülmaschine mit verbesserter energie- und wassernutzungseffizienz
EP3539441A1 (de) 2018-03-12 2019-09-18 Vestel Elektronik Sanayi ve Ticaret A.S. System zum partitionieren von fächern einer geschirrspülmaschine
CN108324217B (zh) * 2018-04-16 2023-06-02 佛山市顺德区美的洗涤电器制造有限公司 洗碗物料添加盒及洗碗机

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Publication number Priority date Publication date Assignee Title
US3586011A (en) * 1969-08-04 1971-06-22 Zanussi A Spa Industrie Dish washer
BE791943A (fr) * 1972-02-18 1973-03-16 Telecomunicazioni Soc It Regulateur de tension et/ou de courant
FR2640487B1 (fr) * 1988-12-16 1991-10-04 Esswein Sa Machine a laver la vaisselle et les ustensiles

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EP1723890A1 (de) 2006-11-22
FR2885785A1 (fr) 2006-11-24
FR2885785B1 (fr) 2007-06-29

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