EP1723895A1 - Verfahren zum warmen Klarspülen in einer Geschirrspülmaschine mit mehreren Waschzonen und Geschirrspülmaschine - Google Patents

Verfahren zum warmen Klarspülen in einer Geschirrspülmaschine mit mehreren Waschzonen und Geschirrspülmaschine Download PDF

Info

Publication number
EP1723895A1
EP1723895A1 EP06114069A EP06114069A EP1723895A1 EP 1723895 A1 EP1723895 A1 EP 1723895A1 EP 06114069 A EP06114069 A EP 06114069A EP 06114069 A EP06114069 A EP 06114069A EP 1723895 A1 EP1723895 A1 EP 1723895A1
Authority
EP
European Patent Office
Prior art keywords
washing
tank
zone
water
dishwashing machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06114069A
Other languages
English (en)
French (fr)
Other versions
EP1723895B1 (de
Inventor
Jacques Bretaud
Benjamin Bouillon
Philippe Bonnet
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
Original Assignee
Brandt Industries SAS
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 Brandt Industries SAS filed Critical Brandt Industries SAS
Publication of EP1723895A1 publication Critical patent/EP1723895A1/de
Application granted granted Critical
Publication of EP1723895B1 publication Critical patent/EP1723895B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0005—Rinsing phases, e.g. pre-rinsing, intermediate rinsing, final rinsing
    • 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
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump

Definitions

  • the present invention relates, on the one hand, to a hot rinsing process in a washing cycle of a dishwashing machine, and, on the other hand, to a dishwashing machine adapted to carrying out the hot rinsing process. according to the invention.
  • the invention relates to dishwashing machines, and more particularly machines for domestic use.
  • rinsing the dishes consists of a cold rinsing step followed by a hot rinsing step.
  • the rinsing is followed by the drying step to benefit from the heat input of the hot rinsing step and to condense the rinsing water retained on the dishes and baskets.
  • the water used during rinses is discharged to the sewer.
  • the Applicant has found during tests that the dishes behave differently depending on the material of said dishes, the amount of dishes in the basket of dishes, the use of dishes.
  • the rinsing water spraying means operate identically regardless of their position in the tank in terms of temperature and pressure.
  • the object of the present invention is to provide a hot rinsing process in a dishwashing machine and a dishwashing machine adapted to achieve better drying performance and energy saving in a hot rinsing step.
  • a dishwashing machine eliminating as and when performing the hot rinsing step, the dirt and impurities to extract from the dishes.
  • the present invention aims to provide a hot rinsing method in a dishwashing machine comprising at least one tank connected to a hydraulic circuit comprising at least one pump, said tank is equipped with baskets of dishes whose front face of said tank is closed by a door, and surrounded by a housing comprising an upper wall, walls side, a bottom wall and a bottom wall, and at least one washing water spraying means on the dishes disposed in the washing tub, said tank comprises at least two washing areas, and means for tank heater.
  • the method according to the invention makes it possible to heat all the dishes of the tank to a first threshold temperature, then the circulation of rinsing water stops in the washing zone requiring the drying temperature. the lowest, and the circulation of rinsing water and the heating of said rinsing water continues for at least a second washing zone of the tank to a second temperature threshold.
  • the circulation and the heating of the washing water during each phase of the hot rinsing step adapted to each washing zone makes it possible to improve the efficiency of the drying step following the hot rinsing step, and thus to decrease the amount of energy.
  • This distribution of water circulation reduces water consumption and saves time and energy.
  • the amount of rinse water can be decreased for each hot rinse phase.
  • the tank is divided into at least two washing zones one above the other separated by at least one separation wall and said zones communicating with each other.
  • This drying process allows an improvement in the drying performance of a dish washing machine comprising several washing volumes operating simultaneously.
  • This type of dishwashing machine generates additional pressure drops for the ventilation of the different washing zones during the drying step. Then, increasing the hot rinsing temperature in the washing zones requiring this additional heat supply makes it possible to compensate for the deficit associated with the drying step.
  • each washing zone comprises means for spraying rinsing water on the dishes.
  • a rinse water spraying means per washing zone makes it possible to spray the dishes directly and only from the washing zone requiring this spraying of rinsing water. As a result, water and energy consumption is reduced to the amount just needed.
  • the dishwashing machine comprises a branch of the hydraulic circuit is associated with each washing zone.
  • 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 power supply network of the machine to washing 1.
  • This washing water evolves during the course of a washing cycle and may contain a proportion of its constituents containing detergents, for example surfactants and enzymes, anti-limestone agents of the 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.
  • a first washing water spraying means 13a and a second washing water spraying means 13b are arranged in said first washing zone 10 and said second washing zone 11 for spraying the water. 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 comprises a multi-position valve for directing the pressurized washing water from the pump 20 to the various parts of the circuit. hydraulic 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 wash 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. 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 concavities 15 connected to each other so as to form two plate loading locations 16, as illustrated in FIG.
  • 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 situated above the partition wall 12 flows rapidly towards 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 triggering the start of a phase of a wash cycle in at least two washing zones 10 and 11 of the tank 2.
  • This departure can be the launch of a start of 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 is carried out simultaneously for all said washing zones 10 and 11 of the tank 2.
  • a device for cleaning the counter door 23 in a dishwashing machine 1 will now be described with reference to FIG.
  • 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 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.
  • 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 cleaned by means of watering means 39 for avoiding the shadow zones created by the facades 24 of baskets 14 for the jets of washing water of the spraying means 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 dish baskets 14.
  • 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 dishwasher 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 during launch of a washing program.
  • the detergent box 38 is convenient to access.
  • the partition wall 12 comprises at least one feed channel 37 for washing water.
  • 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 baskets 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 washing water spraying means 13 on the dishes placed in the washing tub 2, said tub 2 comprises at least two washing zones 10 and 11, as well as means for heating the tub 2.
  • the invention consists in allowing the drying of all types of dishwashing in a uniform manner regardless of the washing zone 10 or 11 of the tank 2. Indeed, the dishes have different drying behaviors depending on the nature of the materials, the size of the dishes, the use of dishes and the quality of the air circulation in the washing zones 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 supplying 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.

Landscapes

  • Washing And Drying Of Tableware (AREA)
EP06114069.5A 2005-05-19 2006-05-17 Verfahren zum warmen Klarspülen in einer Geschirrspülmaschine mit mehreren Waschzonen und Geschirrspülmaschine Active EP1723895B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0505009A FR2885791B1 (fr) 2005-05-19 2005-05-19 Procede de rincage chaud dans une machine a laver la vaisselle a plusieurs zones de lavage et machine a laver la vaisselle utilisant ce procede

Publications (2)

Publication Number Publication Date
EP1723895A1 true EP1723895A1 (de) 2006-11-22
EP1723895B1 EP1723895B1 (de) 2018-07-04

Family

ID=35517362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114069.5A Active EP1723895B1 (de) 2005-05-19 2006-05-17 Verfahren zum warmen Klarspülen in einer Geschirrspülmaschine mit mehreren Waschzonen und Geschirrspülmaschine

Country Status (2)

Country Link
EP (1) EP1723895B1 (de)
FR (1) FR2885791B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090301526A1 (en) * 2008-06-10 2009-12-10 Whirlpool Corporation Method for shortened clear rinse in a dishwasher and dishwasher adapted to carry out such method
CN113040681A (zh) * 2021-03-18 2021-06-29 珠海格力电器股份有限公司 洗碗机
WO2022199468A1 (zh) * 2021-03-22 2022-09-29 青岛海尔洗碗机有限公司 用洗碗机清洗油烟机网状部件的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635229A (en) * 1970-05-19 1972-01-18 Gen Motors Corp Selective heating system for automatic washing machine
FR2349312A1 (fr) * 1976-04-29 1977-11-25 Licentia Gmbh Procede de lavage de vaisselle et machine pour la mise en oeuvre du procede
EP0374010A1 (de) * 1988-12-16 1990-06-20 Esswein S.A. Geschirrspülmaschine mit Mehrzweck-Zwischenwand

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635229A (en) * 1970-05-19 1972-01-18 Gen Motors Corp Selective heating system for automatic washing machine
FR2349312A1 (fr) * 1976-04-29 1977-11-25 Licentia Gmbh Procede de lavage de vaisselle et machine pour la mise en oeuvre du procede
EP0374010A1 (de) * 1988-12-16 1990-06-20 Esswein S.A. Geschirrspülmaschine mit Mehrzweck-Zwischenwand

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090301526A1 (en) * 2008-06-10 2009-12-10 Whirlpool Corporation Method for shortened clear rinse in a dishwasher and dishwasher adapted to carry out such method
EP2133019A1 (de) * 2008-06-10 2009-12-16 Whirpool Corporation Verfahren zum verkürzten Klarspülen in einer Geschirrspülmaschine und Geschirrspülmaschine zur Durchführung dieses Verfahrens
US8202371B2 (en) * 2008-06-10 2012-06-19 Whirlpool Corporation Method for shortened clear rinse in a dishwasher and dishwasher adapted to carry out such method
CN113040681A (zh) * 2021-03-18 2021-06-29 珠海格力电器股份有限公司 洗碗机
CN113040681B (zh) * 2021-03-18 2022-03-15 珠海格力电器股份有限公司 洗碗机
WO2022199468A1 (zh) * 2021-03-22 2022-09-29 青岛海尔洗碗机有限公司 用洗碗机清洗油烟机网状部件的方法

Also Published As

Publication number Publication date
EP1723895B1 (de) 2018-07-04
FR2885791B1 (fr) 2012-08-31
FR2885791A1 (fr) 2006-11-24

Similar Documents

Publication Publication Date Title
EP1723890B1 (de) Geschirrspülmaschine mit mehreren Waschzonen
FR3001881B1 (fr) Lave-vaisselle et procede de commande d'un tel lave-vaisselle
FR3000374A1 (fr) Lave-vaisselle et procede de commande d'un tel lave-vaisselle
EP2327349A1 (de) Reinigungsverfahren für einen Wasserspeicherbehälter einer Waschmaschine, und entsprechende Waschmaschine
FR2877828A1 (fr) Machine et procede lave-vaisselle
EP1723894B1 (de) Geschirrspülmaschine mit einem Waschmittelbehälter
EP1723895B1 (de) Verfahren zum warmen Klarspülen in einer Geschirrspülmaschine mit mehreren Waschzonen und Geschirrspülmaschine
FR3001883A1 (fr) Lave-vaisselle et procede de commande d'un tel lave-vaisselle
FR2885790A1 (fr) Procede de lavage dans une machine a laver la vaisselle a plusieurs zones de lavage et machine a laver la vaisselle utilisant ce procede
EP1723892B1 (de) Geschirrspülmaschine mit Sprühmitteln
EP2684509B1 (de) Waschmaschine mit Wasch- und/oder Spülwasserbehälter
EP2684503B1 (de) Steuerverfahren einer laufenden Waschmaschine, und entsprechende Waschmaschine
FR2504381A1 (fr) Lave-vaisselle, ainsi que procede de lavage de la vaisselle dans un tel appareil
EP1982630B1 (de) Geschirrreinigungsverfahren
EP2522267B1 (de) Verfahren zur Reinigung von Geschirr in einer Geschirrspülmaschine
FR2885789A1 (fr) Receptacle a detergent, notamment pour appareil electromenager du type lave-vaisselle
EP2327350A1 (de) Reinigungsgerät, das mit einem Behälter ausgestattet ist, der mindestens über eine Reserve eines Wärmespeichermaterials verfügt
EP2684505B1 (de) Wasch- und/oder Spülwasserbehälter einer Waschmaschine, und entsprechende Waschmaschine
WO2017017594A1 (fr) Dispositif de lavage d'un plan de cuisson
FR3023125A1 (fr) Teledistribution de levure en boulangerie
EP2684506B1 (de) Steuerverfahren einer laufenden Waschmaschine, und entsprechende Waschmaschine
EP2327351B1 (de) Reinigungsgerät, das mit einem Behälter ausgestattet ist, der mindestens über eine Reserve eines Wärmespeichermaterials verfügt
FR2934485A1 (fr) Appareil de lavage et procede de recuperation d'energie calorifique d'au moins un bain de liquide de lavage et/ou de rincage
EP2684507B1 (de) Steuerverfahren einer laufenden Waschmaschine, und entsprechende Waschmaschine
BE903488A (fr) Machine a laver la vaisselle a ultra-sons

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

17P Request for examination filed

Effective date: 20070522

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20070801

TPAC Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOSNTIPA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FAGORBRANDT SAS

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FAGORBRANDT SAS

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: GROUPE BRANDT

19U Interruption of proceedings before grant

Effective date: 20140411

19W Proceedings resumed before grant after interruption of proceedings

Effective date: 20150601

111Z Information provided on other rights and legal means of execution

Free format text: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR

Effective date: 20150930

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

RIC1 Information provided on ipc code assigned before grant

Ipc: A47L 15/48 20060101AFI20171124BHEP

Ipc: A47L 15/00 20060101ALI20171124BHEP

Ipc: A47L 15/42 20060101ALN20171124BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180126

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1013613

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602006055730

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180704

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1013613

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180704

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181005

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181004

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181104

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602006055730

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

26N No opposition filed

Effective date: 20190405

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602006055730

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190517

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190517

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190517

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191203

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190517

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180704

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20060517

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230515

Year of fee payment: 18