EP2540903A2 - Verfahren zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine - Google Patents

Verfahren zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine Download PDF

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Publication number
EP2540903A2
EP2540903A2 EP12171977A EP12171977A EP2540903A2 EP 2540903 A2 EP2540903 A2 EP 2540903A2 EP 12171977 A EP12171977 A EP 12171977A EP 12171977 A EP12171977 A EP 12171977A EP 2540903 A2 EP2540903 A2 EP 2540903A2
Authority
EP
European Patent Office
Prior art keywords
detergent
water
washing machine
dispensing device
receptacle
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
EP12171977A
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English (en)
French (fr)
Other versions
EP2540903A3 (de
EP2540903B1 (de
Inventor
Hervé Pont
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
FagorBrandt 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 FagorBrandt SAS filed Critical FagorBrandt SAS
Publication of EP2540903A2 publication Critical patent/EP2540903A2/de
Publication of EP2540903A3 publication Critical patent/EP2540903A3/de
Application granted granted Critical
Publication of EP2540903B1 publication Critical patent/EP2540903B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4409—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants by tipping containers or opening their lids, e.g. with the help of a programmer

Definitions

  • the present invention relates to a detergent dispensing device of a washing machine.
  • washing machine comprising a detergent dispensing device, and in particular a washing machine or a dishwashing machine.
  • the present invention relates to the automatic dispensing of detergent, which may be one or more detergents and / or one or more additives, in a washing tub of a washing machine or dishes.
  • This compartment includes a pocket for the accumulation of a washing product and a pocket for the accumulation of the counterweight water. These two pockets are separated by a common partition.
  • the position of the center of gravity of the compartment relative to the axis of rotation of said compartment makes it possible to maintain the compartment in equilibrium so that the washing product introduced into the accumulation pocket of a detergent can not tilt the compartment in emptying position. On the contrary, the presence of detergent in the accumulation pocket of a compartment detergent reinforces this state.
  • the water filling in the counterbalance water accumulation pocket of the compartment is counterbalanced with respect to the accumulation pocket of a washing product so as to tilt the compartment to the emptying position by changing the position of the its center of gravity.
  • the moment due to the mass of water in the counterweight water accumulation bag must be greater than that resulting from the presence of detergent in the accumulation bag of a detergent added to the couple resulting from contact friction of the compartment on the compartment rotation supports.
  • the torque generated by the presence of water in the pocket of water accumulation The counterweight must be greater than that exerted by the detergent in the detergent accumulation bag. And the torque differential generated on either side by each of the pockets of the compartment must be sufficient to overcome the contact friction between the compartment and the rotation supports thereof. This determination of the couples involved makes it possible to deduce the equilibrium point of the compartment and to determine the position of the partition wall between the counterweight water accumulation bag and the accumulation bag of a product of washing.
  • the amount of detergent to be introduced into the ladle of a detergent is known from the recommendations specified by the manufacturers of detergents and washing machines.
  • the body of water and the resulting position of the centers of gravity with or without the accumulation of detergent in the accumulation pocket of a detergent compartment can thus be determined.
  • this compartment of a dispenser for dispensing detergents for a washing machine has the disadvantage of providing a bag of accumulation of a detergent in the compartment of large volume.
  • the compartment returns to the initial position. If the duration of emptying the detergent accumulation bag is not long enough to allow a complete emptying thereof, the compartment returns to its initial position while containing a portion of the detergent in the bag of detergent. accumulation of detergent.
  • the powder in the case where the washing product is powder, the powder can become waterlogged at least in part and becomes heavier.
  • the compartment may not turn over again if the counterweight water in the counterweight water accumulation pocket does not exert a sufficient torque relative to the mass of detergent in the accumulation bag of washing product.
  • the compartment returns to its initial position while containing part of the detergent in the detergent accumulation bag.
  • US 2,990,707A which describes a device dispensing detergent of a washing machine comprising at least one detergent container that can hold a quantity of detergent, at least one receptacle that can contain a quantity of water, wherein the at least one detergent container is rotated after filling in water of said at least one receptacle.
  • the present invention aims to solve the aforementioned drawbacks and to provide a detergent dispensing device of a washing machine, and a washing machine, for minimizing the volume of at least one detergent container compared the amount of detergent to dispense and improve the emptying of at least one detergent tank at the lowest cost.
  • the detergent dispensing device makes it possible to rotate at least one detergent container by filling the water with at least one receptacle setting in motion said at least one triggering device regardless of the quantity of detergent present in said detergent container. at least one detergent container.
  • the water filling of said at least one receptacle causes said at least one trigger device to move as soon as a water quantity threshold value is crossed so as to cause said at least one detergent container to rotate. a detergent filling position at a detergent emptying position without taking into consideration the amount of detergent contained in the at least one detergent container.
  • Such a detergent dispensing device ensures a simple, reliable detergent dispensing regardless of the amount of detergent and the type of detergent.
  • the detergent dispensing device makes it possible to guarantee the distribution of detergent even in the presence of variations in flow rate and pressure of the water supplying water.
  • said at least one receptacle by means of said at least one trigger device being triggered as soon as a threshold value of quantity of water accumulated in said at least one receptacle is crossed.
  • the detergent dispensing device makes it possible to improve the operation of the detergent dispensing in the form of powder, liquid or semi-liquid, to increase the flexibility in the creation of the references of washing machines according to the invention. the number of detergent tanks installed in the detergent dispensing device, and to reduce the costs of obtaining the detergent dispensing function of a washing machine.
  • the detergent dispensing device allows rotation of the at least one detergent tank by means of at least one trigger device set in motion by a quantity of water fed and accumulated in at least one receptacle.
  • said at least one water accumulation receptacle moving said at least one triggering device is part of said at least one triggering device.
  • said at least one water accumulation receptacle is part of said at least one trigger device, said at least one water accumulation receptacle is dissociated from said at least one detergent tank.
  • the force exerted by the amount of water fed and accumulated in at least one receptacle makes it possible to balance the tensile force of a spring and releases in rotation the assembly formed by the tilting element, the element drive and said at least one detergent container.
  • the tilting element of said at least one trigger device is set in motion by the amount of water accumulated in said at least one receptacle so as to release the drive member and then to rotate said at least one detergent tank by the spring.
  • the rotational drive of the at least one detergent tank is caused by the spring fixed on the one hand to the tilting element and on the other hand to the driving element, following the displacement of the tilting element by the amount of water accumulated in the at least one receptacle and the unlocking of the drive member.
  • the pulling of the spring rotates the at least one detergent container from a detergent filling position to a detergent emptying position.
  • the at least one detergent tank is rotated about its axis of rotation by the spring.
  • said at least one detergent tank is rotated to at a detergent emptying position by the spring without being able to return said at least one detergent tank to the initial position by the amount of water accumulated in said at least one receptacle.
  • the present invention aims, according to a second aspect, a washing machine, in particular a washing machine or a dishwashing machine, comprising a detergent dispensing device according to the invention.
  • This washing machine has features and advantages similar to those described above in connection with the detergent dispensing device according to the invention.
  • This washing machine can be a washing machine for domestic use, or a washing machine and dryer for domestic use, or a dishwashing machine for domestic use.
  • the present invention applies to all types of washing machines, including front loading and top loading laundry or dishes.
  • the washing machine 1 includes a body 2 adapted to house a washing tub 3 in which is rotatably mounted a drum (not shown) for containing the laundry.
  • the bodywork 2 comprises in this embodiment an access opening 4 in the upper part for introducing and removing the laundry in the drum.
  • This access opening 4 can be closed during operation of the washing machine 1 by a door 5 pivotally mounted on the body 2 of the washing machine 1.
  • the washing tub 3 includes an opening for loading and unloading laundry into the drum. This opening of the washing tub 3 is arranged vis-à-vis the access opening 4 of the body 2.
  • the water of at least one washing and / or rinsing bath contained in the washing tub 3 may be heated by a heating means (not shown), such as for example an electric heating resistor.
  • the washing machine 1 comprises control means (not shown), and in particular at least one microcontroller, for unfolding predetermined cleaning programs.
  • this washing machine 1 comprises all the necessary organs (not shown) for the operation and execution of washing cycles, rinsing and spinning laundry.
  • this washing machine 1 comprises a detergent dispensing device 6.
  • the detergent dispensing device 6 is disposed against the inner face of the door 5, said inner face of the door 5 being opposite the drum housed in the washing tub 3.
  • the detergent dispensing device 6 is a device for dispensing one or more detergent products and / or one or more additives, such as for example a softener.
  • the detergent delivery device 6 is adapted to dispense an amount of one or more detergents used in one or more phases of a cycle of operation of the washing machine 1.
  • the detergent dispensing device 6 of a washing machine 1 comprises at least one detergent container 7 which can contain a quantity of detergent.
  • the detergent dispensing device 6 may comprise a detergent tank 7 or a plurality of detergent tanks 7 depending on the number of detergents and / or the amount of detergent to be dispensed.
  • the detergent dispensing device 6 of a washing machine 1 comprises at least one receptacle 8 which can contain a quantity of water.
  • the detergent dispensing device 6 may comprise a receptacle 8 or a plurality of receptacles 8 depending on the number of detergent tanks 7.
  • the detergent dispensing device 6 comprises at least one triggering device 9.
  • Said at least one trigger device 9 is set in motion by the amount of water accumulated in said at least one receptacle 8 so as to rotate said at least one detergent container 7 independently of the amount of detergent contained therein at least one detergent container 7.
  • the detergent dispensing device 6 makes it possible to rotate at least one detergent container 7 by filling the water with at least one receptacle 8 putting in motion said at least one trigger device 9 regardless of the amount of detergent present in said at least one detergent container 7.
  • the water filling of said at least one receptacle 8 causes a displacement of said at least one trigger device 9 as soon as a threshold value of water quantity is crossed so as to rotate said at least one detergent container. 7 from a detergent filling position to a detergent emptying position without taking into consideration the amount of detergent contained in the at least one detergent container 7.
  • Such a detergent dispensing device 6 ensures a simple detergent dispensing, reliable regardless of the amount of detergent and type of detergent.
  • the detergent dispensing device 6 makes it possible to guarantee the distribution of detergent even in the presence of variations in the flow rate and the pressure of the water supplying the at least one receptacle 8 by means of the said at least one triggering device 9 which is triggered as soon as possible. crossing a threshold value of quantity of water accumulated in said at least one receptacle 8.
  • the detergent dispensing device 6 improves the operation dispensing detergent in the form of powder, liquid or semi-liquid, increasing the flexibility in creating washing machine references according to the number of detergent tanks installed in the detergent dispensing device 6, and to reduce the costs of obtaining the detergent dispensing function of a washing machine.
  • the detergent dispensing device 6 allows the rotation of the at least one detergent container 7 by means of at least one trigger device 9 set in motion by a quantity of water supplied and accumulated in at least one receptacle 8.
  • Said at least one detergent container 7 is rotated following the filling of said at least one receptacle 8 by means of said at least one trigger device 9.
  • the detergent dispensing device 6 makes it possible to dispense detergent contained in one or more detergent tanks 7 which can be of reduced depth so as to facilitate the evaporation of the water that may be contained therein and therefore avoid the agglomeration of detergent powder in the bottom of these because of the humidity.
  • a receptacle 8 can allow rotation of a single detergent container 7 by means of a triggering device 9.
  • a plurality of receptacles 8 can allow rotation of a respective detergent container 7 by means of a trigger device 9.
  • a receptacle 8 can allow the rotation of several detergent tanks 7 by means of a triggering device 9.
  • a detergent container 7 of the detergent dispensing device 6 comprises a single detergent filling and emptying opening 21 disposed in the upper portion of said detergent container 7, as illustrated in FIGS. Figures 8a to 8d .
  • each detergent container 7 of the detergent dispensing device 6 comprises a single pouch that can hold detergent, as illustrated in FIGS. Figures 8a and 8c .
  • a water storage receptacle 8 of the detergent delivery device 6 comprises a single water-holding pouch, as illustrated in FIGS. Figures 4 and 5 .
  • the number of pockets of a water storage receptacle is not limiting and can be two or more.
  • Said at least one detergent container 7 is adapted to contain a detergent under powder form, liquid or semi-liquid, and optionally in tablet form.
  • Said at least one detergent container 7 is adapted to contain a quantity of detergent customary for a cycle of operation of a washing machine.
  • Said at least one detergent container 7 is filled with detergent through a detergent filling and emptying opening 21 disposed in the upper part of said at least one detergent container 7.
  • said at least one detergent container 7 is transparent so as to make it possible to visualize the filling level of detergent in said at least one detergent container 7.
  • said at least one detergent container 7 may include detergent fill level indications. These indications of filling level in detergent may be arranged on the internal face and / or on the outer face of the at least one detergent container 7.
  • said at least one detergent container 7 is extractable from the detergent dispensing device 6.
  • said at least one detergent container 7 can be easily filled with detergent outside the detergent dispensing device 6.
  • said at least one detergent container 7 can be easily cleaned by removing it from the detergent dispensing device 6.
  • the possibility of extracting the detergent tank or bins 7 from the detergent dispensing device 6 makes it possible to dry them so as to avoid the agglomeration of detergent powder in the bottom thereof because of the humidity.
  • said at least one triggering device 9 is held in a cocked position upon removal of said at least one detergent container 7 so as to remove and reinstall said minus a detergent container 7 in the detergent filling position on the detergent dispensing device 6.
  • the detergent filling of said at least one detergent container 7 may be either made outside of the detergent dispensing device 6 or on the detergent dispensing device 6 without removing said at least one detergent container 7.
  • said at least one detergent container 7 When said at least one detergent container 7 is removed from the detergent dispensing device 6, it can be either immersed in a barrel when the detergent is in powder form, or placed on a worktop when the detergent is under powder or liquid form.
  • said at least one detergent container 7 comprises a flat surface 7a at its bottom wall so as to be placed on a plane, as illustrated in FIGS. Figures 8a to 8d .
  • said at least one detergent container 7 comprises a handle 7b so as to facilitate the gripping and handling of said at least one detergent container 7, as illustrated in FIGS. Figures 8a to 8d .
  • said at least one detergent container 7 is attached to the detergent dispensing device 6.
  • said at least one detergent container 7 comprises at least one rib 7c so as to retain the filled detergent in said at least one detergent container 7 as said at least one trigger device 9 is held in the armed position.
  • the detergent filled in said at least one detergent container 7 is held inside thereof as long as said at least one trigger device 9 is kept inactivated by said at least one receptacle 8.
  • the detergent dispensing device 6 comprises a hubcap 22.
  • said at least one trigger device 9 is disposed on the side of the inner face of the hubcap 22 so as to be masked and said at least one detergent tank 7, and in particular said at least one opening filling and emptying detergent 21 of said at least one detergent tank 7, is disposed on the side of the outer face of the hubcap 22 so as to be accessible by the user, as illustrated in FIGS. figures 1 and 4 .
  • said at least one water accumulation receptacle 8 is part of said at least one triggering device 9
  • said at least one receptacle 8 is dissociated from said at least one detergent container 7 so that said at least one trigger device 9 can be masked by the hubcap 22 while said at least one detergent tank 7 can be visible and accessible by the user.
  • the hubcap 22 comprises water discharge openings 24.
  • the water discharge openings 24 of the hubcap 22 make it possible to evacuate the water contained in the hubcap 22 during the supply of water to said at least one receptacle 8 and the emptying thereof. .
  • the water discharge openings 24 of the trim 22 are provided at the low point of the trim 22 when the detergent dispensing device 6 is in a detergent dispensing position in the wash tub. 3, and in particular, in a washing machine laundry load from above, when the door 5 is in the closed position.
  • said at least one water accumulation receptacle 8 putting in motion said at least one trigger device 9 is part of said at least one triggering device 9.
  • the detergent dispensing device 6 comprises a water dispenser 17 generating at least one jet of water.
  • the quantity of water supplied by the water dispenser 17 and accumulated in the at least one receptacle 8 makes it possible to trigger the rotation of the at least one detergent container 7 by the at least one trigger device 9 when the mass accumulated water in said at least one receptacle 8 is sufficient to overcome the predetermined force to move said at least one trigger device 9.
  • the detergent dispensing device 6 also comprises a deflector 18 directing said at least one jet of water towards said at least one receptacle 8.
  • the orientation of the at least one jet of water leaving the water dispenser 17 by means of the deflector 18 situated at the outlet of the water dispenser 17 makes it possible to guarantee the filling of said at least one receptacle 8 with water.
  • the deflector 18 may also allow to exert a torque on said at least one trigger device 9 by directing said at least one water jet with respect to said at least one receptacle 8 so as to promote the tilting of said at least one trigger device 9 .
  • the deflector 18 orients said at least one jet of water from the water dispenser 17 towards the lower part of said at least one receptacle 8 so as to push said at least one receptacle 8.
  • the water dispenser 17 is a direct jet water dispenser, particularly when the detergent dispensing device 6 comprises a single detergent container 7.
  • the water dispenser 17 is a direct-jet water dispenser, particularly when the detergent dispensing device 6 comprises two detergent tanks 7.
  • each direct jet supplies water to a receptacle 8 for triggering a trigger device 9 so as to rotate a detergent container 7.
  • a direct-jet water dispenser may also be used when the detergent delivery device 6 comprises a single detergent container 7 and a direct water supply to the washing tub 3 is necessary to implement a prewash phase.
  • the water dispenser 17 is a cross-jet water dispenser where the first and second direct water jets respectively supply water to a first and a second receptacle 8, and where the third jet of water water obtained by crossing the first and second jets of water supplies water to a third receptacle 8.
  • the first, second and third receptacles 8 may be intended to trigger the rotating drive of a detergent tank 7 by means of a respective trigger device 9.
  • the feeding and the accumulation of water in said at least one receptacle 8 makes it possible to delay the triggering of the rotational drive of said at least one detergent container 7 by said at least one triggering device 9.
  • a stray water jet from the water dispenser 17, in particular cross-jet can not set in motion said at least one trigger device 9 since a predetermined amount of water must be accumulated in said at least one receptacle 8.
  • the predetermined amount of water to accumulate in the at least one receptacle 8 can make it possible to take into account the differences in the water flow rate of the solenoid valves supplying the cross-jet water dispenser 17, which can lead to imprecision in the direction the third water jet formed by the first two direct streams of water.
  • a cross-jet water dispenser may also be used when the detergent delivery device 6 comprises two detergent tanks 7 and a direct water supply to the wash tank 3 is required to implement a pre-wash phase. , wherein the direct water supply of the washing tank 3 is implemented by the third water jet obtained by crossing the first and second water jets.
  • water dispenser is in no way limiting and may be different, and in particular with a rotary nozzle.
  • said at least one receptacle 8 comprises at least one water discharge opening 19.
  • the water accumulated in said at least one receptacle 8 is emptied by means of said at least one water discharge opening 19 formed in said at least one 8.
  • the emptying of said at least one receptacle 8 can thus be achieved slowly, that said at least one trigger device 9 is set in motion or not.
  • the minimum water flow rate of water supply of the at least one receptacle 8 must take into account the water leakage generated by the at least one water discharge opening 19 which increases as a function of the water column. present in said at least one receptacle 8.
  • the water leak generated by said at least one water discharge opening 19 is predetermined so as to allow the accumulation of water in said at least one receptacle 8 during the water supply of the latter, even when the flow of water supply water of said at least one receptacle 8 is low.
  • said at least one trigger device 9 is set in motion, then drives said at least one detergent tank 7 as soon as the amount of water accumulated in said at least one receptacle 8 exceeds a threshold value of water amount.
  • a water discharge opening 19 is formed in the bottom wall of a receptacle 8.
  • the force exerted by the quantity of water fed and accumulated in at least one receptacle 8 makes it possible to balance the tensile force of a spring 14 and releases in rotation the assembly formed by the tilting element 10, 1 driving element 12 and said at least one detergent container 7.
  • the tilting element 10 of said at least one triggering device 9 is set in motion by means of the amount of water accumulated in said at least one receptacle 8 so as to release the driving element 12 and then to rotate said at least one detergent container 7 by the spring 14.
  • the rotational drive of the at least one detergent tank 7 is caused by the spring 14 fixed on the one hand to the tilting element 10 and on the other hand to the driving element 12, following the displacement of the tilting element 10 by the amount of water accumulated in the at least one receptacle 8 and the unlocking of the element Training 12.
  • the pulling of the spring 14 rotates said at least one detergent container 7 from a detergent filling position to a detergent emptying position.
  • the at least one detergent tank 7 is rotated about its axis of rotation 13 by the spring 14.
  • said at least one detergent tank 7 is driven. in rotation to a detergent emptying position by the spring 14 without being able to return said at least one detergent tank 7 to the initial position by the amount of water accumulated in the at least one receptacle 8.
  • Said at least one detergent tank 7 is rotatably mounted on a support 28, illustrated in FIG. figure 4 .
  • the support 28 of the at least one detergent tank 7 serves to guide the axis of rotation 13 common to the least one detergent tank 7 and to the driving element 12.
  • the support 28 of the at least one detergent tank 7 also makes it possible to refer to the axis of rotation 11 of the tilting element 10 with respect to the axis of rotation 13 of the driving element 12 so that guaranteeing a predetermined distance between centers of rotation 11, 13.
  • the tilting element 10 comprises said at least one receptacle 8.
  • the tilting element 10 and said at least one receptacle 8 are made in the same room, as illustrated in FIGS. Figures 4 to 7 , so as to guarantee the displacement of the tilting element 10 as soon as the mass of water accumulated in the at least one receptacle 8 has reached a threshold value of water quantity.
  • the tilting element 10 is set in motion after exceeding the point of equilibrium between the tensile force of the spring 14, where the spring 14 exerts a torque relative to the axis of rotation 11 of the element of tilting 10, and the force exerted by the amount of water accumulated in said at least one receptacle 8 while taking into account the friction of contact between the tilting element 10 and the driving element 12 due to the pulling of the spring 14 on the driving element 12.
  • the torque exerted by means of the spring 14 relative to the axis of rotation 11 of the tilting element 10 is dependent on the distance a between the axis of rotation 11 of the tilting element 10 and an opening of retainer 15 of the spring 14 formed in the tilting element 10.
  • the retaining opening 15 of the spring 14 is formed in a wall 16 of the tilting element 10 perpendicular to the axis of rotation 11 of the tilting element 10.
  • the tilting element 10 comprises a notch 25 so as to retain the driving element 12 in the filling position of said at least one detergent container 7, as illustrated in FIG. figure 7a .
  • the torque exerted by the mass of water contained in said at least one receptacle 8 forming part of the tilting element 10 must be greater than that exerted by the spring 14 connected to the driving element 12 added to the forces of friction of the driving element 12 on the tilting element 10, taking into account the torque that can be exerted by the tilting element 10.
  • the center of gravity of the tilting element 10 is arranged between the axis of rotation 11 of the tilting element 10 and the notch 25 of the tilting element 10 allowing the retention of the tilting element. tilting 12 in filling position of said at least one detergent container 7.
  • said at least one receptacle 8 forming part of the tilting element 10 is disposed on the opposite side of the axis of rotation 11 of the tilting element 10 with respect to the center of gravity of the tilting element 10.
  • the center of gravity of the tilting element 10 is disposed on the opposite side with respect to the axis of rotation 11 of the tilting element 10 where is located said at least one receptacle 8, said at least one triggering device 9 is held in the armed position by the force of the spring 14 opposing the force of gravity of said at least one receptacle 8 forming part of the tilting element 10 filled or not with water.
  • Such a positioning of the center of gravity of the tilting element 10 makes it possible to prevent inadvertent tripping of said at least one trigger device 9 so as to avoid an uncontrolled reversal of said at least one detergent tank 7, whether or not filled with detergent, especially during vibrations generated by the operation of the washing machine 1, during the movement and the closing of the door 5 in which is disposed the detergent dispensing device 6 for a washing machine laundry load from above.
  • the triggering of the rotation of said at least one detergent container 7 is carried out following the change of position of the center of gravity of the tilting element 10.
  • the mass of the tilting element 10 is added to the force of the spring 14.
  • an additional component is added so as to move the center of gravity of the tilting element 10 on the opposite side of the axis. rotation 11 of the tilting element 10 with respect to the position of said at least one detergent container 7.
  • said at least one trigger device 9 comprises a lever 23 coupled to said at least one detergent container 7 so as to drive said at least one detergent container 7 during arming of said at least one trigger device 9 .
  • said at least one detergent container 7 is rotated from a detergent emptying position to a detergent filling position by means of a lever 23 while driving said at least one trigger device 9 from a position disarmed to an armed position.
  • resetting said at least one trigger device 9 by means of the lever 23 makes it possible to rotate said at least one detergent container 7 from a detergent emptying position to a detergent filling position without having to touch directly.
  • said at least one detergent container 7 can be coated with traces of detergent, as illustrated in FIGS. Figures 9a and 9b .
  • the lever 23 is integral with the driving element 12.
  • lever 23 is integral with the at least one detergent container 7.
  • the lever 23 and the driving member 12 may be formed in a single piece.
  • the lever 23 is rotated about the axis of rotation 13 of the driving element 12 as well as said at least one detergent tank 7 following the setting in motion of the tilting element 10 by the amount of accumulated water in said at least one water receptacle 8 and in the rotational drive of the driving element 12 by the spring 14.
  • lever 23 is rotated from the detergent filling position of the at least one detergent 7 to the detergent emptying position of the at least one detergent container 7.
  • the lever 23 is rotated about the axis of rotation 13 of the driving element 12 following the setting in motion of the tilting element 10 by the amount of water accumulated in the at least a water receptacle 8 and the driving in rotation of the driving element 12 by the spring 14 without said at least one detergent tank 7 being installed on the detergent dispensing device 6.
  • the resetting of said at least one trigger device 9 is carried out by pushing the lever 23 from the detergent emptying position of said at least one detergent container 7 to the detergent filling position thereof.
  • the lever 23 rotates the driving element 12 around the axis of rotation 13 against the restoring force of the spring 14 and locks the tilting element 10 in the armed position by positioning the element 12 in the notch 25 of the tilting element 10.
  • This resetting of said at least one trigger device 9 may be implemented with or without said at least one detergent tank 7 when the latter is extractable.
  • a slot 26a formed in the lever 23 cooperates with a rib 27 formed on a face 7d of said at least one detergent container 7, as illustrated in FIGS. Figures 9a and 9b .
  • the positioning of the rib 27 of said at least one detergent tank 7 in the slot 26a ensures that said at least one detergent tank 7 is maintained with respect to the detergent dispensing device 6 so as to avoid disengagement of said at least one detergent container 7.
  • a device for holding said at least one detergent container 7 in the detergent dispensing device 6 as previously described is made only on one side 7d of said at least one detergent container 7 since the Lateral clearance between said at least one detergent container 7 and the hubcap 22 is minimized.
  • a device for maintaining said at least one detergent container 7 in the detergent dispensing device 6, as described above, can be arranged on both faces 7d of said at least one detergent container 7.
  • the operating method of the detergent dispensing device 6 firstly comprises a step of initializing said at least one detergent container 7 in the detergent filling position.
  • Said at least one detergent container 7 is initialized in the detergent filling position by rotating said at least one detergent container 7 so as to arm said at least one trigger device 9.
  • the arming of said at least one trigger device 9 is achieved by rotating the drive element 12 about the axis of rotation 13 to the detergent filling position of said at least one detergent tank 7.
  • said at least one detergent container 7 is rotated from a detergent emptying position to a detergent filling position by means of a lever 23 while driving said at least one triggering device. 9 from an unarmed position to an armed position.
  • the rotational drive of the driving element 12 about the axis of rotation 13 is implemented by pushing the lever 23 against the restoring force of the spring 14 until the driving element 12 engages in a notch 25 of the tilting element 10.
  • the notch 25 of the tilting element 10 and the driving element 12 respectively have slopes on their outer contour so as to allow by sliding to exert a force pushing the tilting element 10 of said at least one device trigger 9 when moving from a disarmed position to an armed position.
  • the lever 23 rotates the driving element 12 since they are integral and rotate around the same axis of rotation 13.
  • This step of initializing said at least one detergent tank 7 in the detergent filling position is to be carried out systematically since the lever 23 is driven into the detergent emptying position by said at least one trigger device 9 after each operating cycle. of the washing machine 1.
  • said at least one detergent container 7 being extractable can be put back into position on the detergent dispensing device 6 if it had been removed in the operating cycle of the washing machine 1 above, either filled with detergent directly on the detergent dispensing device 6, or removed from the detergent dispensing device 6 to be filled with detergent on the outside of the washing machine 1.
  • the detergent dispensing device 6 comprises a plurality of detergent tanks 7 and the user does not wish to use at least one detergent tank 7, said detergent tank 7 is left in said initial emptying position. detergent.
  • the position of the tilting element 10 associated with the detergent tank 7 not used can be modified following the filling and the accumulation of water in the respective receptacle 8 without having any consequence on the other elements of the detergent dispensing device. 6.
  • the detergent delivery device 6 includes a stopper of said at least one detergent container 7 in the detergent filling position.
  • the abutment stop of the at least one detergent tank 7 in the detergent filling position is achieved by the lever 23 resting on the hubcap 22.
  • the method of operation of the detergent dispensing device 6 then comprises a detergent filling step of the at least one detergent container 7.
  • the operating method of the detergent dispensing device 6 then comprises a step of filling and accumulating water of the at least one receptacle 8.
  • the step of filling and accumulating water of said at least one receptacle 8 is implemented by means of a water dispenser 17.
  • the water dispenser 17 sends at least one jet of water towards said at least one receptacle 8.
  • Said at least one jet of water leaving the water dispenser 17 can be channeled by a deflector 18 so as to orient the at least one jet of water in the at least one receptacle 8.
  • said at least one jet of water leaving the deflector 18 is oriented towards the bottom of said at least one receptacle 8 so as to exert a torque with respect to the axis of rotation 11 of the tilting element 10.
  • the torque exerted by the at least one jet of water leaving the deflector 18 on the tilting element 10 facilitates the tilting of the latter around its axis of rotation 11.
  • the operating method of the detergent dispensing device 6 comprises a step, as soon as the quantity of water accumulated in the at least one receptacle 8 reaches a threshold value of the amount of water, the setting in motion of the the tilting element 10 by the mass of water contained in said at least one receptacle 8 from an armed position to a disarmed position.
  • the operating method of the detergent dispensing device 6 comprises a step of unlocking the drive element 12 so as to rotate said at least one detergent tank 7 by means of the spring 14.
  • the driving element 12 and the at least one detergent tank 7 are rotated by the spring 14 connected on the one hand to a retaining opening 20 of the driving element 12 and on the other hand to the retaining opening 15 of the tilting element 10.
  • said at least one detergent container 7 is returned to the detergent emptying position so as to evacuate the detergent.
  • the detergent filling and emptying opening 21 of the at least one detergent container 7 having been used for the filling of detergent is now turned over so that the detergent flows by gravity.
  • the reversal of said at least one detergent container 7 promotes the emptying of the latter so as to avoid the agglomeration of detergent, especially powder, in the bottom thereof due to moisture.
  • the detergent delivery device 6 includes a stopper of said at least one detergent container 7 in the detergent emptying position.
  • the stop of said at least one detergent container 7 in the detergent emptying position is achieved by the support 28 of said at least one detergent container 7.
  • the stop of said at least one detergent container 7 may comprise a boss formed on the support 28 so as to limit the rotation of the driving element 12 around the axis of rotation 13 in the detergent emptying position of the at least one detergent container 7.
  • the rotation of the driving element 12 around the axis of rotation 13 is limited by bringing an outer wall of the driving element 12 into contact with the stopper.
  • the stop may comprise two bosses formed on the support 28 bearing respectively with two outer walls of the driving element 12 disposed on either side of the axis of rotation 13 of the drive element 12. These two bosses are schematically represented by rectangles in dotted lines on the Figure 7c since the support 28 has been removed to facilitate reading thereof.
  • the detergent dispensing device 6 is mounted on the door 5 for closing the access opening 4 of the body 2 of the washing machine 1.
  • the door 5 of the body 2 of the washing machine 1 can be moved from an open position to a closed position.
  • Said at least one triggering device 9 of the detergent dispensing device 6 ensures that said at least one detergent container 7 is maintained in a detergent filling position following the closure of the door 5 of the bodywork 2 of the washing machine. 1, even when the latter is closed suddenly or when the washing machine 1 is put into operation and generates vibrations.
  • the detergent dispensing device 6 is disposed above the drum housed inside the washing tub 3 of the washing machine 1 .
  • the amount of at least one detergent dose contained in at least one detergent container 7 of the detergent dispensing device 6 is dispensed in the direction of the drum, and in particular the laundry load, by means of the same. minus a trigger device 9 activated by said at least one receptacle 8 fed with a quantity of water.
  • said at least one detergent tank 7 of the detergent dispensing device 6 is reoriented by an angle of the order of 90 ° to 110 ° .
  • This reorientation of the at least one detergent tank 7 is due to the displacement of the door 5 of the body 2 of the washing machine 1 from a substantially vertical position to a substantially horizontal position.
  • said at least one rib 7c of said at least one detergent container 7 holds the detergent filled in said at least one detergent container 7 in the open and closed position of the door 5 and as long as said at least one trigger device 9 is maintained in armed position.
  • the detergent contained in said at least one detergent container 7 is retained by at least one rib 7c of said at least one detergent container 7, whether the detergent is in the form of powder, liquid or semi-liquid, as long as said minus a triggering device 9 is in the armed position.
  • the rotational drive of said at least one detergent container 7 is controlled by the control means of the washing machine 1, in particular a microcontroller, allowing or not the water supply of said at least one receptacle 8 according to the cycle of selected operation of the washing machine 1.
  • the quantity of at least one detergent necessary for a cycle of operation of the washing machine 1 is poured into the washing tub 3 at a predetermined time and controlled by the control means of the washing machine 1.
  • the water accumulated in said at least one receptacle 8 is emptied by means of said at least one water discharge opening 19 formed in said at least one receptacle 8.
  • the water accumulated in said at least one receptacle 8 is emptied by means of said at least one water discharge opening 19 towards the washing tub 3 during the operating cycle of the washing machine 1 and is therefore not poured on the drum housed inside the washing tub 3 when opening the door 5 of the bodywork of the washing machine 1.
  • the laundry contained in the drum can not be wetted by the water accumulated in said at least one receptacle 8 following the last phase of the operating cycle of the washing machine 1, said last phase being generally a phase of spinning the laundry, when opening the door 5 of the body 2 of the washing machine 1.
  • the water discharged from said at least one receptacle 8 by means of said at least one water discharge opening 19 is then discharged through the water discharge openings 24 of the hubcap 22 in the direction of the tank. washing 3.
  • the water contained in the washing tank 3 is projected against the detergent dispensing device 6, and in particular on the hubcap 22 and on said at least one detergent tank 7 during the rotation drive of the drum so that the movement of water is tangential to the latter, in particular during a spinning phase of an operating cycle of the washing machine 1.
  • the cleaning of the at least one detergent container 7 is ensured by the inverted position of said at least one detergent tank 7 following the tilting of said at least one trigger device 9 and the projection of water contained in the washing tank 3 by means of the drum.
  • the cooperation of the rib 27 of said at least one detergent container 7 with the slot 26a formed in the lever 23 makes it possible to retain said at least one detergent container 7 of so that it can not disengage from the detergent dispensing device 6 in the detergent emptying position, and guide it when it is placed on the detergent dispensing device 6.
  • the opening of the slot 26a of the lever 23 is closed by the bottom of the slot 26b of the hubcap 22 following the rotation of the at least one detergent tank 7 about its axis of rotation 13 from the filling position of detergent to the detergent emptying position so as to avoid the withdrawal of the at least one detergent container 7 during and after this rotation, as illustrated by the Figures 9a , 10 and 11 .
  • the cooperation of the rib 27 of said at least one detergent tank 7 with the slot 26a formed in the lever 23 also retains said at least one detergent tank 7 so that it can not disengage from the detergent dispensing device 6 after closing the door 5 that said at least one detergent tank 7 is in the detergent filling position or in the emptying position of detergent with respect to the detergent dispensing device 6.
  • the slot 26a of the lever 23 is oriented at an angle ⁇ , in particular of the order of 45 °, relative to a horizontal axis A passing through the axis of rotation 13 upwards when the door 5 is in the closed position. as shown in figure 9b .
  • the detergent dispensing device makes it possible to rotate at least one detergent container by filling the water with at least one receptacle that sets a trigger device in motion regardless of the amount of detergent present in the detergent container. said at least one detergent container.
  • the washing machine may be a washing machine, a washing and drying machine, or a dishwashing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP12171977.7A 2011-06-15 2012-06-14 Vorrichtung zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine Active EP2540903B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1101821A FR2976596B1 (fr) 2011-06-15 2011-06-15 Dispositif de distribution de detergent d'une machine a laver et machine a laver associee

Publications (3)

Publication Number Publication Date
EP2540903A2 true EP2540903A2 (de) 2013-01-02
EP2540903A3 EP2540903A3 (de) 2014-01-22
EP2540903B1 EP2540903B1 (de) 2015-08-12

Family

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Application Number Title Priority Date Filing Date
EP12171977.7A Active EP2540903B1 (de) 2011-06-15 2012-06-14 Vorrichtung zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine

Country Status (3)

Country Link
EP (1) EP2540903B1 (de)
ES (1) ES2552529T3 (de)
FR (1) FR2976596B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900015746A1 (it) * 2019-09-06 2021-03-06 Eltek Spa Dispositivo dispensatore di agenti di lavaggio per lavastoviglie

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990707A (en) 1958-07-09 1961-07-04 Borg Warner Automatic dispenser for a clothes washing machine
EP1593766A1 (de) 2004-04-29 2005-11-09 T & P S.p.A. Waschmittelschale für eine Waschmittelschublade einer Waschmachine mit verbesserter Zuführung von Waschmitteln.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2969072A (en) * 1958-01-20 1961-01-24 Whirlpool Co Detergent dispenser
US3802845A (en) * 1972-09-01 1974-04-09 Olin Corp Dissolving and dispensing apparatus having rotary liquid receptacle
ITTO20030066A1 (it) * 2003-02-04 2004-08-05 Merloni Elettrodomestici Spa Macchina lavabiancheria, in particolare a caricamento
ES2340793T3 (es) * 2006-04-10 2010-06-09 Coprecitec, S.L. Dispositivo para suministrar detergente.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990707A (en) 1958-07-09 1961-07-04 Borg Warner Automatic dispenser for a clothes washing machine
EP1593766A1 (de) 2004-04-29 2005-11-09 T & P S.p.A. Waschmittelschale für eine Waschmittelschublade einer Waschmachine mit verbesserter Zuführung von Waschmitteln.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900015746A1 (it) * 2019-09-06 2021-03-06 Eltek Spa Dispositivo dispensatore di agenti di lavaggio per lavastoviglie
WO2021044254A1 (en) * 2019-09-06 2021-03-11 Eltek S.P.A. Washing-agent dispenser device for dish-washers

Also Published As

Publication number Publication date
EP2540903A3 (de) 2014-01-22
FR2976596B1 (fr) 2013-05-31
FR2976596A1 (fr) 2012-12-21
ES2552529T3 (es) 2015-11-30
EP2540903B1 (de) 2015-08-12

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