EP2540904A2 - Vorrichtung zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine - Google Patents

Vorrichtung zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine Download PDF

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Publication number
EP2540904A2
EP2540904A2 EP12171978A EP12171978A EP2540904A2 EP 2540904 A2 EP2540904 A2 EP 2540904A2 EP 12171978 A EP12171978 A EP 12171978A EP 12171978 A EP12171978 A EP 12171978A EP 2540904 A2 EP2540904 A2 EP 2540904A2
Authority
EP
European Patent Office
Prior art keywords
detergent
washing machine
receptacle
dispensing device
float
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
EP12171978A
Other languages
English (en)
French (fr)
Other versions
EP2540904A3 (de
EP2540904B1 (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 EP2540904A2 publication Critical patent/EP2540904A2/de
Publication of EP2540904A3 publication Critical patent/EP2540904A3/de
Application granted granted Critical
Publication of EP2540904B1 publication Critical patent/EP2540904B1/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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • 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
    • 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
    • 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 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor

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.
  • 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 discloses a detergent delivery device of a washing machine comprising at least one detergent container that can hold a quantity of detergent, at least one receptacle that can hold a quantity of water, wherein the at least one detergent container is driven in rotation following the water filling 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 a displacement of said at least one triggering device as soon as a water level threshold value is crossed so as to cause said at least one detergent container to rotate.
  • an armed position of said at least one trigger device at a disarmed position of said at least one trigger device without taking into consideration the amount of detergent contained in said at least one detergent tank.
  • 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 the flow rate and the pressure of the water supplying the at least one receptacle by means of said at least one triggering device which is triggered as soon as it is crossed. a water level threshold value in said at least one receptacle.
  • 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 the rotational drive of the at least one detergent tank by means of at least one trigger device set in motion by a water level reached in at least one receptacle.
  • said device comprises a hubcap, said hubcap comprising said at least one receptacle.
  • said at least one receptacle is part of a hubcap
  • said at least one receptacle is dissociated from said at least one detergent tank.
  • said at least one trigger device comprises at least one float disposed at least in part in said at least one receptacle.
  • said at least one float disposed partially in said at least one receptacle makes it possible to trigger said at least one detergent container according to the level of water reached in said at least one receptacle.
  • said at least one triggering device is actuated by a water level reached in said at least one receptacle exerting a thrust on said at least one float.
  • said at least one float comprises an axis of rotation, wherein said at least one float is rotatably mounted relative to said hubcap so as to allow a displacement of said at least one float in said at least one a receptacle.
  • the displacement of said at least one float in said at least one receptacle is implemented in a predetermined direction by means of the axis of rotation of said at least one float cooperating with the hubcap of the detergent dispensing device.
  • the force exerted by said at least one float as a function of the water level reached 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 element of drive and said at least one detergent container.
  • Said at least one float of said at least one trigger device is set in motion by means of the water level reached in said at least one receptacle so as to release the driving element and then to rotate said at least one detergent by the spring.
  • the rotational drive of the at least one detergent tank is caused by the spring connected on the one hand to said at least one float and on the other hand to the driving element, following the displacement of the at least one float by the water level reached in said at least one receptacle and unlocking the drive member.
  • the pulling of the spring rotates said at least one detergent tank from a position armed with the at least one trigger device to a disarmed position of the at least one trigger device.
  • said 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 disarmed position of said at least one trigger device 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 may be a household washing machine, or a domestic washing and drying machine, or a domestic dishwashing machine.
  • 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 to introduce and remove 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 dispensing device 6 is adapted to dispense an amount of one or more detergents used during one or more phases of an operating cycle 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 distribution device of detergent 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 means of the water level reached 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. minus 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 said at least one trigger device 9 to move as soon as a water level threshold value is crossed so as to rotate said at least one detergent container. 7 of a position armed with said at least one trigger device 9 at a disarmed position of said at least one trigger device 9 without taking into consideration the quantity of detergent contained in said at least one detergent tank 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 water level threshold value in said at least one receptacle 8.
  • the detergent dispensing device 6 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 number of containers detergent delivery device 6, and to reduce the costs of obtaining the detergent dispensing function of a washing machine 1.
  • 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 water level reached 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 filling and detergent emptying opening 21, as illustrated in FIGS. figures 1 and 2b .
  • each detergent container 7 of the detergent dispensing device 6 comprises a single pouch that can hold detergent, as illustrated in FIGS. figures 1 and 2a .
  • a water storage receptacle 8 of the detergent delivery device 6 comprises a single water-holding pouch, as illustrated in FIGS. figures 3 and 4 .
  • 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 in 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 an opening for filling and emptying detergent 21.
  • 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 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.
  • the extraction and placing of said at least one detergent tank 7 with respect to the detergent dispensing device 6 is carried out in the disarmed position of said at least one triggering device 9.
  • 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 may comprise a flat surface (not shown) at its bottom wall so as to be laid on a plane.
  • said at least one detergent container 7 may comprise a handle (not shown) so as to facilitate the gripping and handling of said at least one detergent container 7.
  • said at least one detergent container 7 is attached to the detergent dispensing device 6.
  • the detergent dispensing device 6 comprises a hubcap 10.
  • the hubcap 10 comprises said at least one receptacle 8.
  • the hubcap 10 and said at least one receptacle 8 are made in the same room, as illustrated in FIGS. Figures 3 to 8 , so as to allow the displacement of said at least one trigger device 9 relative to the hubcap 10 as soon as the water level reached in said at least one receptacle 8 has reached a threshold value of water level.
  • said at least one trigger device 9 is disposed on the side of the inner face of the hubcap 10 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 10 so as to be accessible by the user, as illustrated in FIGS. Figures 1 to 8 .
  • said at least one receptacle 8 is dissociated from said at least one detergent tank 7 so that said at least one triggering device 9 can be masked by the hubcap 10 while said at least one detergent tank 7 can be visible and accessible by the user.
  • the trim 10 is made of several elements so as to facilitate the assembly thereof on the detergent dispensing device 6.
  • the number of elements of the hubcap is not limiting, and can be one, two or more.
  • Said at least one triggering device 9 comprises at least one float 18 disposed at least partially in said at least one receptacle 8.
  • said at least one float 18 partially disposed in said at least one receptacle 8 makes it possible to trigger said at least one detergent tank 7 as a function of the level of water reached in said at least one receptacle 7.
  • said at least one triggering device 9 is actuated by a water level reached in said at least one receptacle 8 exerting a thrust on said at least one float 18.
  • said at least one float 18 comprises an axis of rotation 11, wherein said at least one float 18 is rotatably mounted relative to the trim 10 so as to allow a displacement of said at least one float 18 in said at least one receptacle 8.
  • the displacement of said at least one float 18 in said at least one receptacle 8 is implemented in a predetermined direction by means of the axis of rotation 11 of said at least one float 18 cooperating with the hubcap 10 of the dispensing device detergent 6.
  • each detergent tank 7 is rotated by means of a single float 18 rotatably mounted about an axis of rotation 11 1 connected to the hubcap 10 and disposed in a receptacle 8 of the 'hubcap 10.
  • said at least one float 18 comprises at least one arm 18a connecting a buoyancy body 18b to the axis of rotation 11.
  • the buoyancy body 18b of said at least one float 18 may be either a hollow body or a body of a density lower than that of water.
  • the shape and the type of floatation body of the at least one float are in no way limiting and may be different.
  • the buoyancy body 18b of said at least one float 18 is disposed in said at least one receptacle 8.
  • said at least one float 18 comprises two link arms 18a spaced from one another and respectively connecting the buoyancy body 18b to the axis of rotation 11.
  • the detergent dispensing device 6 comprises a water dispenser 17 generating at least one water jet of water supplying said at least one receptacle 8.
  • the quantity of water supplied by the water dispenser 17 and accumulated in the said at least one receptacle 8 makes it possible to trigger the rotation drive of the said at least one detergent container 7 by the said at least one trigger device 9 when the level water reached in said at least one receptacle 8 is sufficient to overcome the predetermined force to move said at least one trigger device 9.
  • 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 dispensing device 6 comprises a single detergent container 7 and a direct water supply to the washing tub 3 is required to implement a phase. Prewash.
  • the water dispenser 17 is a cross-jet water dispenser where the first and second direct streams of water supply water. respectively a first and a second receptacle 8, and wherein the third water jet 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 water level must be reached in said at least one receptacle 8.
  • the predetermined water level to be reached in the said 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 inaccuracy of the direction.
  • the third water jet formed by the first two direct streams of water 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 inaccuracy of the direction.
  • 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 receptacle 8.
  • the emptying of said at least one receptacle 8 can thus be performed slowly, whether 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 water level reached in said at least one receptacle 8 exceeds a threshold water level value.
  • a water discharge opening 19 is formed in the bottom wall of a receptacle 8.
  • said at least one water discharge opening 19 of said at least one receptacle 8 is formed in a front wall of the hubcap 10.
  • said at least one water discharge opening 19 of said at least one receptacle 8 formed in the hubcap 10 makes it possible to evacuate the water contained in said at least one receptacle 8, and consequently the hubcap 10 during the supply of water to said at least one receptacle 8 and the emptying thereof.
  • said at least one water discharge opening 19 of said at least one receptacle 8 is formed at the low point of the trim 10 when the detergent dispensing device 6 is in a detergent dispensing position in the washing tub 3, and in particular, in a washing machine laundry loading from above, when the door 5 is in the closed position.
  • the force exerted by said at least one float 18 as a function of the level of water reached in at least one receptacle makes it possible to balance the tensile force of a spring 14 and releases in rotation the assembly formed by the element 12 and said at least one detergent container 7.
  • Said at least one float 18 of said at least one triggering device 9 is set movement by means of the water level reached in said at least one receptacle 8 so as to release the driving element 12 and then to rotate said at least one detergent tank 7 by the spring 14.
  • the rotational drive of said at least one detergent tank 7 is caused by the spring 14 connected on the one hand to said at least one float 18 and on the other hand to the driving element 12, following the displacement of said at least one a float 18 by the water level reached in said at least one receptacle 8 and the unlocking of the driving element 12.
  • the traction of the spring 14 makes it possible to rotate said at least one detergent container 7 from a position armed with the at least one trigger device 9 to a disarmed position of the at least one trigger device 9.
  • said at least one detergent tank 7 is rotated about its axis of rotation 13 by the spring 14.
  • the axis of rotation 13 is common to said at least one detergent container 7 and to the drive element 12.
  • Said at least one detergent container 7 and the drive element 12 are integral so as to be rotated together about the axis of rotation 13 by the spring 14.
  • said at least one detergent tank 7 is driven. in rotation to a disarmed position of said at least one trigger device 9 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 said at least one receptacle 8.
  • the spring 14 is fixed on the axis of rotation 11 of said at least one float 18.
  • the spring 14 makes it possible to rotate said at least one detergent tank 7 about its axis of rotation 13 from a position armed with said at least one triggering device 9 to a disarmed position of said at least one triggering device 9.
  • the spring 14 can also make it possible to push the at least one float 18 towards the bottom wall 10a of the at least one receptacle 8.
  • the spring 14 is a spring blade.
  • the spring 14 is also supported on a stud 20 of the driving element 12 so as to drive the driving element 12 in rotation.
  • the driving element 12 is set in motion following the exceeding of the point of equilibrium between the tensile force of the spring 14, where the spring 14 exerts a torque with respect to the axis of rotation 11 of the at least one float 18, and the force exerted by the water level reached in said at least one receptacle 8 on said at least one float 18 while taking into account the friction of contact between said at least one float 18 and said drive member 12 due to the pulling of the spring 14 on said driving element 12.
  • said at least one float 18 comprises a notch 15 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 5a .
  • the notch 15 is formed in an arm 18a of the float 18 connecting the axis of rotation 11 to the buoyancy body 18b.
  • the torque exerted by the thrust of the water level on said at least one float 18 must be greater than that exerted by the spring 14 connected to the driving element 12 added to the friction forces of the driving element 12 on said at least one float 18 while taking into account the torque that can be exerted by said at least one float 18.
  • said at least one triggering device 9 comprises a lever 16 cooperating with said at least one float 18 so as to release said at least one detergent container 7 from a position armed with said at least one trigger device 9 to a disarmed position of said at least one trigger device 9.
  • the lever 16 is supported on an arm 18a of the float 18 connecting the axis of rotation 11 to the buoyancy body 18b.
  • said at least one detergent container 7 can be rotated from a closed position of a detergent filling and emptying opening 21 of said at least one detergent container 7 to a release position of the opening filling and emptying detergent 21 of said at least one detergent tank 7 by means of a lever 16 while driving said at least one trigger device 9 from an armed position to a disarmed position.
  • the disarming of said at least one trigger device 9 by means of the lever 16 makes it possible to rotate said at least one detergent container 7 from a closed position of a filling and emptying opening 21 of said at least one detergent detergent tank 7 at a position for disengaging the filling and emptying opening of detergent 21 without having to touch directly said at least one detergent container 7 which can be covered with traces of detergent, as illustrated in FIGS. Figures 6a to 6e .
  • This disarming of said at least one triggering device 9 can be realized by pressing a portion of the lever 16 protruding from the hubcap 10 so as to be accessible by the user.
  • This portion of the lever 16 protruding from the hubcap 10 can thus constitute a button for initializing said at least one detergent tank 7 in filling and emptying position of detergent.
  • This portion of the lever 16 may either protrude from the front wall of the trim 10 or from a side wall of the trim 10.
  • the portion of the lever 16 protruding from the trim 10 may have either a translation movement or a rotational movement relative to the trim 10.
  • the lever 16 can thus allow the user to move the at least one detergent container 7 from a closed position of a filling and emptying opening 21 of the detergent of said at least one detergent tank 7 to a position of clearance of filling and emptying opening with detergent 21.
  • the lever 16 comprises a first arm that can bear on said at least one float 18 and a second arm that can bear on the drive element 12, where the first and second arms of the lever 16 are interconnected.
  • the lever 16 has a U-shape for interconnecting the first and second arms thereof.
  • the lever 16 makes it possible to push the said at least one float 18 so as to cause the disengagement of the driving element 12 from the notch 15 formed in the said at least one float 18.
  • the lever 16 can be connected to an additional spring to allow said at least one float 18 to be pushed back.
  • the lever 16 is pushed by the force of the spring 14 exerted on the drive element 12 so as to allow the rotation of said at least one detergent container 7 from a closed position of an opening filling and emptying detergent 21 of said at least one detergent tank 7 by the hubcap 10 at a position for disengaging the filling and emptying opening with detergent 21 relative to the hubcap 10.
  • said at least one detergent tank 7 is in the position of filling and emptying detergent as soon as the driving element 12 no longer bears on the lever 16 by rotation of the driving element 12 around the rotation axis 13 caused by the spring 14.
  • the lever 16 is guided in translation relative to the hubcap 10.
  • the guide of the lever 16 is formed by ribs 22.
  • the method of operation of the detergent delivery device 6 comprises a detergent filling step of the at least one detergent container 7.
  • the detergent filling position of said at least one detergent tank 7 is the initial position of the latter where said at least one trigger device 9 is disarmed, that is to say the position taken by said at least one detergent tank 7 following the displacement of said at least one float 18 as soon as a water level threshold value is exceeded in said at least one receptacle 8 triggering said at least one triggering device 9, or following a support on the lever 16.
  • 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 can be left in the initial position of The position of the float 18 associated with the detergent tank 7 that is not used can be modified following the filling and the accumulation of water in the respective receptacle 8 without causing any consequences. on the other elements of the detergent dispensing device 6.
  • the operating method of the detergent dispensing device 6 may optionally comprise, previously, a step of initializing said at least one detergent container 7 in the position of filling and emptying detergent.
  • Said at least one detergent container 7 is initialized in the filling and emptying detergent position by rotating said at least one detergent container 7 so as to disarm said at least one trigger device 9.
  • Disarming said at least one trigger device 9 is achieved by rotating the drive member 12 about the axis of rotation 13 to the filling and emptying position of the detergent of said at least one detergent container 7 .
  • said at least one detergent container 7 is rotated from a closed position of a detergent filling and emptying opening 21 of said at least one detergent container 7 to a disengaging position of the filling and emptying opening of detergent 21 by means of a lever 16 while driving said at least one trigger device 9 from a disarmed position to an armed position.
  • the rotational drive of the driving element 12 around the axis of rotation 13 is implemented by pushing the lever 16 against the at least one float 18 until the driving element 12 disengaging a notch 15 of said at least one float 18.
  • the notch 15 of said at least one float 18 and the driving element 12 respectively have slopes on their outer contour so as to allow by sliding to exert a force pushing said at least one float 18 during the passage of a armed position at a disarmed position of said at least one triggering device 9.
  • This step of initializing said at least one detergent container 7 in filling and emptying detergent position is to be implemented only in the case where said at least one detergent container 7 is in the closed position of an opening filling and emptying detergent 21 of said at least one detergent tank 7.
  • said at least one detergent container 7 In the position of filling and emptying detergent and in the case where said at least one detergent container 7 is extractable, it can be put back in position on the detergent dispensing device 6 if it had been removed in the operating cycle of the previous washing machine 1, 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 since said at least one trigger device 9 is disarmed.
  • the driving element 12 and the detergent container 7 associated can be made in separate parts so that the detergent container 7 is extractable and that the driving element 12 is fixed on the axis of rotation 13 and free to rotate relative to the hubcap 10.
  • the method of operation of the detergent dispensing device 6 then comprises a step of rotating said at least one detergent container 7 from a position for disengaging the detergent filling and emptying opening 21 to a position sealing a filling opening and emptying detergent 21 of said at least one detergent tank 7 so as to reset said at least one trigger device 9.
  • This step of rotating said at least one detergent tank 7 is implemented by manually moving said at least one detergent tank 7 about its axis of rotation 13.
  • the resetting of said at least one trigger device 9 is set by locking one end of the driving element 12 in a notch 15 of said at least one float 18 by virtue of the force exerted by the spring 14.
  • the spring 14 bears on the one hand said at least one float 18, and in particular at least one arm 18a, on the drive element 12 so as to maintain said at least one trigger device 9 in the armed position, and in turn causes said at least one detergent tank 7 to rotate through the driving element 12, and in particular the pad 20, from an armed position to a disarmed position of said at least one triggering device 9 .
  • the positioning of the at least one detergent tank 7 in the closed position of a filling and emptying opening 21 detects the detergent inside it until the displacement of the at least one float 18 upon reaching a water level threshold value in said at least one receptacle 8 triggering said at least one trigger device 9 from an armed position to a disarmed position.
  • 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.
  • the operating method of the detergent dispensing device 6 comprises a step, as soon as the water level in said at least one receptacle 8 reaches a water level threshold value, for setting said at least one float 18 in motion by the water level reached in said at least one receptacle 8 so as to trigger said at least one trigger device 9 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 said at least one detergent tank 7 are rotated by the spring 14 connected on the one hand to the axis of rotation 11 of said at least one float 18, integrally, and of on the other hand to the stud 20 of the driving element 12.
  • 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 (not shown) of the 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 can be achieved by a support of the driving element 12 on a rib of the hubcap 10.
  • 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.
  • moving said at least one detergent container 7 of the detergent dispensing device 6 from the position of disengagement of the filling and emptying detergent opening 21 to the closed position of a filling opening and Detergent emptying 21 of said at least one detergent tank 7, and vice versa can be performed when the door 5 of the body 2 of the washing machine 1 is in the open position.
  • 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 redirected 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.
  • the trim 10 retains the filled detergent in said at least one detergent tank 7 in the open and closed position of the door 5 and as the said at least one trigger device 9 is held in the armed position.
  • the detergent contained in said at least one detergent container 7 is retained by the hubcap 10, whether the detergent is in the form of powder, liquid or semi-liquid, as long as the at least one trigger 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 also discharged from the hubcap 10 in the direction of the washing tub 3 since the wall comprising said at least one water discharge opening 19 is a common wall of said at least one receptacle 8 and the hubcap 10.
  • the water contained in the washing tank 3 is projected against the detergent dispensing device 6, and in particular on the hubcap 10 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 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)
EP12171978.5A 2011-06-15 2012-06-14 Vorrichtung zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine Active EP2540904B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1101820A FR2976595B1 (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
EP2540904A2 true EP2540904A2 (de) 2013-01-02
EP2540904A3 EP2540904A3 (de) 2014-04-16
EP2540904B1 EP2540904B1 (de) 2016-02-03

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP12171978.5A Active EP2540904B1 (de) 2011-06-15 2012-06-14 Vorrichtung zur Waschmittelverteilung einer Waschmaschine, und entsprechende Waschmaschine
EP12171980.1A Active EP2535452B1 (de) 2011-06-15 2012-06-14 Waschmaschine mit Wäschebeladung von oben, die mit einer Vorrichtung zur Waschmittelverteilung ausgestattet ist

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12171980.1A Active EP2535452B1 (de) 2011-06-15 2012-06-14 Waschmaschine mit Wäschebeladung von oben, die mit einer Vorrichtung zur Waschmittelverteilung ausgestattet ist

Country Status (3)

Country Link
EP (2) EP2540904B1 (de)
ES (1) ES2568427T3 (de)
FR (1) FR2976595B1 (de)

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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127067A (en) * 1964-03-31 Granules dispenser
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
IT1187302B (it) * 1985-12-04 1987-12-23 Zanussi Elettrodomestici Dispositivo contenitore-erogatore di detersivi per macchina lavabiancheria
US5875655A (en) * 1996-06-11 1999-03-02 Whirlpool Corporation Additive dispenser for an automatic washer
SG54394A1 (en) * 1996-11-23 1998-11-16 Whirlpool Co Automatic washer and dispenser cup therefor
ITTO20030066A1 (it) * 2003-02-04 2004-08-05 Merloni Elettrodomestici Spa Macchina lavabiancheria, in particolare a caricamento
ATE462816T1 (de) * 2006-04-10 2010-04-15 Coprecitec Sl Vorrichtung zur waschmittelzufuhr

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.

Also Published As

Publication number Publication date
EP2535452A1 (de) 2012-12-19
EP2540904A3 (de) 2014-04-16
EP2535452B1 (de) 2018-11-28
FR2976595A1 (fr) 2012-12-21
FR2976595B1 (fr) 2013-05-31
EP2540904B1 (de) 2016-02-03
ES2568427T3 (es) 2016-04-29

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