EP3467192B1 - Household appliance comprising a base having a boiling chamber fed by gravity - Google Patents

Household appliance comprising a base having a boiling chamber fed by gravity Download PDF

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Publication number
EP3467192B1
EP3467192B1 EP18198090.5A EP18198090A EP3467192B1 EP 3467192 B1 EP3467192 B1 EP 3467192B1 EP 18198090 A EP18198090 A EP 18198090A EP 3467192 B1 EP3467192 B1 EP 3467192B1
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EP
European Patent Office
Prior art keywords
pipe
tank
household appliance
scale
boiling chamber
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.)
Active
Application number
EP18198090.5A
Other languages
German (de)
French (fr)
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EP3467192A1 (en
Inventor
Maxime JAVIT
Dominique Gelus
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.)
SEB SA
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SEB SA
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Publication date
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Publication of EP3467192A1 publication Critical patent/EP3467192A1/en
Application granted granted Critical
Publication of EP3467192B1 publication Critical patent/EP3467192B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4025—Means for emptying
    • 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
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4086—Arrangements for steam generation
    • 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
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
    • 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
    • D06F73/00—Apparatus for smoothing or removing creases from garments or other textile articles by formers, cores, stretchers, or internal frames, with the application of heat or steam 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/54—De-sludging or blow-down devices

Definitions

  • the present invention relates to a household appliance comprising a base for the production of steam comprising a steam generator comprising a boiling chamber and a liquid reservoir comprising an outlet orifice through which the liquid flows by gravity towards the chamber. boiling, and relates more particularly to an apparatus in which the boiling chamber comprises a steam outlet through which the steam can escape in the direction of a work tool, such as an anti-crease brush, and an orifice liquid communication channel connected to a pipe having an evacuation orifice closed by a removable plug accessible from outside the base.
  • a work tool such as an anti-crease brush
  • a household appliance comprising a base comprising a boiling chamber and a water tank comprising an outlet orifice through which the water flows by gravity towards the boiling chamber.
  • water flows out of the tank when the liquid level in the boiling chamber is below a reference level for which the liquid level in the device prevents the air from escaping. enter the tank.
  • Such a device has the drawback of being subject to gradual clogging by scale deposits of the supply duct connecting the reservoir to the boiling chamber, these scale particles rising in the supply duct towards the reservoir. during the back and forth movements of liquid in the supply duct.
  • each call for water from the chamber of boiling causes water to drop from the tank which is followed by a back and forth movement in the supply line.
  • the progressive clogging of the supply duct ultimately causes the malfunction of the device.
  • the utility model CN201713711U proposes to provide the supply duct with a lateral branch connected to an evacuation duct closed by a removable plug accessible from the outside of the base, the removal of the plug allowing the water and part of the pie to be evacuated contained in the device.
  • the presence of the evacuation duct has the advantage of allowing regular emptying of the supply circuit to limit its progressive clogging.
  • the user has difficulty in realizing the scale of the device, the scale particles being carried away very quickly by the flow of liquid at the outlet. from the discharge port. It cannot therefore adjust the frequency of these emptying operations according to the scale of the appliance.
  • an aim of the present invention is to provide an apparatus in which the user can more easily view the scaling state of his apparatus and in which the operation of removing the scale is made simpler and more ergonomic.
  • the invention relates to a household appliance comprising a base for the production of steam comprising a steam generator comprising a boiling chamber and a liquid reservoir feeding by gravity the boiling chamber, the liquid s' flowing by gravity from the tank to the boiling chamber until the liquid level in the boiling chamber reaches an equilibrium level, called the reference level, for which the liquid level in the device prevents the air to enter the tank, the boiling chamber comprising a steam outlet through which the steam can escape towards a work tool, such as an anti-crease brush, and a communication port connected to a pipe having an evacuation orifice closed by a removable plug, characterized in that the pipe has a limescale collection container removable through the discharge port.
  • Such a device has the advantage of comprising a scale collecting container which allows the user to view the quantity of scale collected during each emptying operation of the device. He can thus adapt the frequency of cleaning of the scale collecting container according to the quantity of scale that he collects.
  • a scale collector has the advantage of providing great ergonomics of use.
  • such a scale collecting container has the advantage of trapping the scale particles which are deposited by gravity in the bottom of the container and of preventing the latter from being returned through the pipe towards the chamber. boiling.
  • the scale collecting container is integral with the stopper.
  • the pipe is supplied with liquid from the reservoir by a supply pipe which opens into the pipe at an inlet orifice.
  • Such a feature makes it possible to supply the steam generator with liquid coming from the reservoir through the same opening as that used to evacuate the scale particles in the direction of the evacuation orifice, making it possible to simplify the construction of the apparatus. .
  • the inlet orifice is disposed above a particle retention cavity formed in the lower part of the pipe, the scale collecting container being disposed in a removable manner in the particle retention cavity
  • the inlet orifice is disposed above a particle retention cavity formed in the lower part of the pipe, the scale collecting container being disposed in a removable manner in the particle retention cavity
  • the retention cavity has a shape adapted to retain the scale particles and prevent them from returning to the boiling chamber by being entrained by the flow of liquid flowing from the inlet orifice towards the communication orifice.
  • the cavity has a longitudinal end delimited by a transverse wall projecting into the bottom of the pipe.
  • Such a transverse wall has the advantage of forming an obstacle which opposes the flow of particles from the cavity to the boiling chamber.
  • the scale collecting container comprises a window, arranged opposite the inlet orifice, through which the flow of liquid from the reservoir flows, the window comprising a device filtration.
  • Such a filtration device makes it possible to prevent particles of scale coming from the boiling chamber from being sent through the supply duct, thus avoiding the gradual blockage of the latter.
  • the filtration device consists of a grid with calibrated openings.
  • the grid has square openings of less than 0.4 mm on a side, and preferably between 0.1 mm and 0.4 mm.
  • the container has two seals arranged on either side of the window.
  • the pipe comprises a first section fluidly connected to the communication orifice and a second section which is offset axially downward with respect to the first section, the second section comprising the retention cavity of the particles.
  • the first and second sections communicate with each other via an opening made in the transverse wall delimiting the longitudinal end of the cavity.
  • the first and second sections communicate with each other via an opening made in a wall at which the first and second sections are superimposed.
  • the first section extends along the axis of the communication orifice.
  • the inlet orifice is arranged in the vicinity of the communication orifice, preferably less than 7 cm from the latter.
  • Such a characteristic has the advantage of making it possible to obtain a compact assembly.
  • the evacuation orifice offers visual access to the inlet orifice.
  • Such a feature makes it possible to visually check the state of closure of the inlet orifice and, if necessary, to perform an operation for cleaning this orifice using a tool inserted through the 'discharge port.
  • the boiling chamber is provided in a vessel with a circular outline, the pipe extending in a direction radial to the vessel.
  • the figure 1 shows a steam ironing device comprising a base 1 for generating steam connected by a cord 2 to a smoothing brush 3.
  • This apparatus is advantageously provided with a telescopic mast 10 having an upper end conventionally equipped with a coat rack, not shown in FIG. figure 1 .
  • the base 1 comprises a housing 11 of plastic material receiving two wheels 12, arranged at the rear end of the base 1, which allow easy movement of the device by tilting the base 1 backwards so that only the wheels 12 remain in contact with the ground.
  • the base 1 also comprises two feet 13 which protrude on the lower surface of the base 1, near the front end of the latter, and on which the front part of the base 1 comes to rest when the base 1 rests stably. on the ground with the mast 10 disposed substantially vertically, as illustrated in figure 1 .
  • the base 1 also comprises a removable reservoir 4 arranged above the axis of the two wheels 12, the reservoir 4 comprising a handle 40 at its upper end facilitating its extraction from the base 1.
  • the base 1 contains a steam generator 5 having a steam outlet 50 at its upper end which is connected to the cord 2 bringing the steam to the anti-crease brush 3.
  • the steam generator 5 is also connected to a pipe 6 having one end provided with an evacuation orifice 60 closed by a removable plug 7 accessible from one side of the base 1, the pipe 6 comprising a lateral branch 63 connected to a supply pipe 41 from tank 4.
  • the reservoir 4 is constituted by a closed enclosure comprising a bottom wall provided with an opening closed by a removable cap, not visible in the figures.
  • the tank cap 4 comprises, in a manner known per se, an outlet port equipped with a valve which closes automatically when the tank 4 is withdrawn from the base 1, in order to prevent the flow of water out of the tank. tank 4, and which opens when the tank 4 is placed on the base 1 so that the water from the tank 4 can flow into the supply duct 41.
  • a cap equipped with a valve is similar to that illustrated in more detail in the patent application WO2007 / 111691 .
  • the steam generator 5 comprises a substantially frustoconical tank 51 which contains a boiling chamber 52, the bottom of which is defined by a body 53 of aluminum in which are integrated heating resistors 54, the power supply to the heating resistors 54 being controlled in a manner known per se by a circuit, not shown in the figures.
  • the pipe 6 opens into the boiling chamber 52 through a communication orifice 55 which is formed in a side wall of the tank 51, being disposed in the vicinity of the bottom of the chamber. boiling 52, the diameter of the communication orifice 55 being advantageously of the order of 2 cm.
  • the pipe 6 comprises a first section 61, tubular, which extends radially to the tank 51 and a second section 62, tubular, which is offset axially downwards relative to the first section 61, the proximal end of the second section 62, the closest to the tank 51, being closed by a transverse wall 64 comprising an opening 65, visible on the figure 3 , establishing fluid communication between the interior of the first section 61 of the pipe 6 and the interior of the second section 62 of the pipe 6.
  • the opening 65 is made in the upper part of the transverse wall 64 and the lower part of the second section 62 forms a particle retention cavity 66, the distal end of which, furthest from the tank 51, is closed by the stopper. 7.
  • the lower edge of the opening 65 comes into alignment with the lower edge of the passage section of the first section 61 so that the particles present in the bottom of the first section 61 can flow out. freely to the second section 62.
  • the first section 61 has a circular passage section with a diameter of the order of 2 cm and the second section 62 advantageously has an oblong passage section with a height of the order of 3. cm and width of about 2 cm.
  • the opening 65 made in the transverse wall 64 advantageously has an oblong shape extending over a height of the order of 1.5 cm and a width of the order of 1 cm.
  • the supply duct 41 coming from the reservoir 4 is connected to the pipe 6 by an inlet orifice 67 which is provided in the upper half of the second section 62, that is to say at the height of the communication opening 65 formed in the transverse wall 64.
  • the current generated by the liquid flow is located essentially in the upper half of the second section 62, the liquid present in the lower half of the second section 62, at the level of the retention cavity 66, then remaining substantially stationary.
  • the second section 62 of the pipe 6 receives a scale collecting container 8 which is preferably attached to the removable plug 7.
  • the removable plug 7 is fixed to the end of the pipe 6 by a bayonet type connection well known to those skilled in the art and which is for example similar to that described in more detail in the patent application. FR 2981371 filed by the plaintiff.
  • the scale collecting container 8 has a tubular body 80 of oblong section which has a shape complementary to that of the second section 62, the body 80 comprising a window 81 facing the inlet orifice 67 and a closed longitudinal end by an end wall 82 provided with an oblong opening 82A corresponding to the opening 65 of the transverse wall 64, the size and shape of the opening 82A of the end wall being similar to that of the opening 65 of the transverse wall 64.
  • the window 81 is equipped with a filtration grid 9, shown only on the figure 7 , which filters the water flowing through the window 81 and in particular prevents scale particles, coming from the tank 51 and transported by the currents being established between the tank 51 and the tank 4, do not come s' accumulate at inlet port 67 of line 6.
  • the filtration grid 9 is made of stainless steel wire and has square openings of less than 0.4 mm on a side, and preferably between 0.1 mm and 0.4 mm.
  • the scale collecting container 8 comprises a first and a second seal 83, 84 disposed on either side of the window 81, the seals 83, 84 extending around the periphery of the body of the container. 8 to come into contact with the inner wall of the second section 62 of the pipe 6.
  • the first seal 83 is arranged close to the end wall 82 of the container 8 and makes it possible to prevent the circulation of water outside the container 8 collecting scale.
  • the second seal 84 is placed near the removable plug 7 and prevents water from flowing outside the device through the removable plug 7 when the latter closes the pipe 6 .
  • the scale collecting container 8 can also be advantageously provided with a seal arranged around the entire periphery of the window 81 to ensure a leaktight connection with the periphery of the inlet orifice 67 and prevent water does not flow into the gap between the pipe 6 and the scale collecting container 8.
  • the user When the user wishes to use the device, he removes the cap of the reservoir 4 and then fills the latter in the inverted position, the handle 40 of the reservoir 4 then being oriented downwards. When the maximum filling level is reached, the user closes the cap and then grasps the reservoir 4 by the handle 40 so as to bring it to the base 1 as is illustrated in the figure. figure 1 .
  • the valve integrated in the cap When placing the tank 4 on the base 1, the valve integrated in the cap then opens automatically and the water from the tank 4 flows into the supply pipe 41, then into the pipe 6 and into the tank. 51 until the water level in the device, and in particular in the tank 51, reaches a reference level, illustrated in dotted lines on the figure 2 , for which the air can no longer enter the tank 4.
  • This reference level also called the equilibrium level, corresponds to the water level at which the water reaches the outlet of the tank 4 and prevents air from entering the tank 4 so that the water does not can no longer flow out of tank 4 as long as the water level in the appliance does not drop.
  • the apparatus can then be put into operation so as to supply electrically the heating resistors 54 present in the bottom of the boiling chamber 52.
  • the water present in the boiling chamber 52 is then brought to the boil and the vapor produced. can escape through the bead 2 in the direction of the anti-crease brush 3.
  • the evaporation of the water present in the boiling chamber 52 then causes a decrease in the level in the tank 51 and therefore a lowering of the level of water in the device and in particular at the level of the outlet of the tank 4 so that the air can again enter the tank 4, allowing the water from the tank 4 to flow towards the tank 51 until reaching the equilibrium level again.
  • This flow of water from the tank 4 to the boiling chamber 52 takes place in a jerky manner by generating round trips of the water flow between the tank 51 and the tank 4 due to the waves generated by the flow. momentary of a quantity of water out of the tank 4.
  • Such an apparatus therefore has the advantage of having a scale collecting container 8 which effectively collects the scale particles initially formed in the boiling chamber 52 and transported in the pipe 6 by the alternating water flows being established between the reservoir 4 and the tank 51 throughout the operation of the device.
  • the user can also visually check through the discharge opening 60 located at the end of the pipe 6, that no deposit is obstructing the inlet orifice 67 and if necessary mechanically clean this inlet orifice 67. by inserting a bottle brush into the pipe 6 through the discharge port 60.
  • the figures 8 and 9 illustrate a second embodiment of the pipe that can equip the tank of the apparatus according to the invention.
  • the device according to this second embodiment differs from the device according to the first embodiment only by the shape of the pipe and of the removable plug / scale collecting container assembly.
  • the communication orifice 55 of the tank 51 is connected to a pipe 106 having a staircase shape, the pipe 106 comprising a first tubular section 161 which extends radially to the tank 51 and a second tubular section 162 which is offset axially downwards with respect to the first section 161, the two sections comprising a connecting zone where the two sections 161, 162 are superimposed with respect to one another.
  • the two sections of the pipe 106 communicate with each other through an opening 165 connecting the lower part of the first section 161 with the upper part of the second section 162, the connecting zone being closed laterally by side walls 168 which extend vertically from each side of line 106.
  • the supply pipe 41 coming from the reservoir 4 is connected to the pipe 106 by an inlet orifice 167 which is formed in the side wall 168 of the connecting zone of the pipe 106, advantageously at the height of the first section 161 of so that the inlet orifice 167 opens above the opening 165 for communication between the two sections 161, 162.
  • the inlet orifice 167 is provided with a filtration grid, not shown in the figures, preventing the rise of scale particles coming from the boiling chamber 52 in the direction of the supply duct 41.
  • the second section 162 has a proximal end which is closed by a transverse wall 164 and a distal end having an evacuation orifice 160 closed by a removable stopper 107 carrying a scale collecting container 108 having the shape of a half-cylinder open in its upper part.
  • the operation of the apparatus equipped with the tank / pipe assembly according to this second embodiment remains the same as that described for the first embodiment, the particular construction of the pipe 106 according to the second embodiment however having the advantage of making it possible to obtain a cavity 166 for retaining particles of greater volume, thanks to its greater height, while retaining a reduced space requirement for the pipe 106, in particular in the direction of the width of the apparatus.
  • such a construction makes it possible to move the water inlet port 167 away from the particle retention cavity 166, which has the advantage of constituting a more pronounced calm zone at the level of the particle retention cavity 166 and therefore of trapping the particles even more effectively in the cavity 166 and therefore in the container 108 scale collector.
  • the scale collecting container may be independent of the cap, so that the user can open the cap without necessarily removing the scale collecting container.
  • the steam generator can be supplied, with liquid from the reservoir, through an opening in the tank separate from that used to evacuate the scale particles in the direction of the tank. 'discharge port.

Description

La présente invention se rapporte à un appareil électroménager comprenant une base pour la production de vapeur comportant un générateur de vapeur comprenant une chambre d'ébullition et un réservoir de liquide comportant un orifice de sortie par lequel le liquide s'écoule par gravité vers la chambre d'ébullition, et se rapporte plus particulièrement à un appareil dans lequel la chambre d'ébullition comprend une sortie de vapeur par laquelle la vapeur peut s'échapper en direction d'un outil de travail, tel une brosse de défroissage, et un orifice de communication de liquide relié à une canalisation présentant un orifice d'évacuation fermé par un bouchon amovible accessible depuis l'extérieur de la base.The present invention relates to a household appliance comprising a base for the production of steam comprising a steam generator comprising a boiling chamber and a liquid reservoir comprising an outlet orifice through which the liquid flows by gravity towards the chamber. boiling, and relates more particularly to an apparatus in which the boiling chamber comprises a steam outlet through which the steam can escape in the direction of a work tool, such as an anti-crease brush, and an orifice liquid communication channel connected to a pipe having an evacuation orifice closed by a removable plug accessible from outside the base.

Il est connu, du modèle d'utilité CN201713711U , un appareil électroménager comprenant une base comportant une chambre d'ébullition et un réservoir d'eau comportant un orifice de sortie par lequel l'eau s'écoule par gravité vers la chambre d'ébullition. Dans ce type d'appareil, l'eau s'écoule en dehors du réservoir lorsque le niveau de liquide dans la chambre d'ébullition est inférieur à un niveau de référence pour lequel le niveau de liquide dans l'appareil empêche l'air de pénétrer dans le réservoir.It is known, from the utility model CN201713711U , a household appliance comprising a base comprising a boiling chamber and a water tank comprising an outlet orifice through which the water flows by gravity towards the boiling chamber. In this type of device, water flows out of the tank when the liquid level in the boiling chamber is below a reference level for which the liquid level in the device prevents the air from escaping. enter the tank.

Un tel appareil présente l'inconvénient d'être sujet à un colmatage progressif par des dépôts de tartre du conduit d'alimentation reliant le réservoir à la chambre d'ébullition, ces particules de tartre remontant dans le conduit d'alimentation en direction du réservoir lors des mouvements de va et vient de liquide dans le conduit d'alimentation. En effet, dans ce type d'appareil où le réservoir se vide jusqu'à l'obtention d'un niveau d'équilibre pour lequel l'air ne peut plus pénétrer dans le réservoir, chaque appel d'eau de la chambre d'ébullition provoque une chute d'eau du réservoir qui est suivi d'un mouvement de va et vient dans le conduit d'alimentation. Le colmatage progressif du conduit d'alimentation provoque à terme le dysfonctionnement de l'appareil.Such a device has the drawback of being subject to gradual clogging by scale deposits of the supply duct connecting the reservoir to the boiling chamber, these scale particles rising in the supply duct towards the reservoir. during the back and forth movements of liquid in the supply duct. In fact, in this type of device where the tank is emptied until an equilibrium level is obtained at which air can no longer enter the tank, each call for water from the chamber of boiling causes water to drop from the tank which is followed by a back and forth movement in the supply line. The progressive clogging of the supply duct ultimately causes the malfunction of the the device.

Pour remédier à cet inconvénient, le modèle d'utilité CN201713711U propose de munir le conduit d'alimentation d'un embranchement latéral relié à un conduit d'évacuation fermé par un bouchon amovible accessible depuis l'extérieur de la base, le retrait du bouchon permettant d'évacuer l'eau et une partie du tarte contenu dans l'appareil.To overcome this drawback, the utility model CN201713711U proposes to provide the supply duct with a lateral branch connected to an evacuation duct closed by a removable plug accessible from the outside of the base, the removal of the plug allowing the water and part of the pie to be evacuated contained in the device.

La présence du conduit d'évacuation présente l'avantage de permettre une vidange régulière du circuit d'alimentation pour limiter son colmatage progressif. Toutefois, lorsqu'il effectue une telle opération de vidange, l'utilisateur a du mal à se rendre compte de l'état d'entartrage de l'appareil, les particules de tartre étant emportées très rapidement par le flux de liquide à la sortie de l'orifice d'évacuation. Il ne peut donc ajuster la fréquence de ces opérations de vidange en fonction de l'état d'entartrage de l'appareil. De plus, pour qu'une telle opération de vidange soit efficace, il est nécessaire que l'utilisateur fasse circuler une grande quantité d'eau au travers du circuit d'alimentation.The presence of the evacuation duct has the advantage of allowing regular emptying of the supply circuit to limit its progressive clogging. However, when performing such an emptying operation, the user has difficulty in realizing the scale of the device, the scale particles being carried away very quickly by the flow of liquid at the outlet. from the discharge port. It cannot therefore adjust the frequency of these emptying operations according to the scale of the appliance. In addition, for such a draining operation to be effective, it is necessary for the user to circulate a large amount of water through the supply circuit.

Aussi, un but de la présente invention est de proposer un appareil dans lequel l'utilisateur peut visualiser plus facilement l'état d'entartrage de son appareil et dans lequel l'opération d'évacuation du tartre est rendue plus simple et plus ergonomique.Also, an aim of the present invention is to provide an apparatus in which the user can more easily view the scaling state of his apparatus and in which the operation of removing the scale is made simpler and more ergonomic.

A cet effet, l'invention a pour objet un appareil électroménager comprenant une base pour la production de vapeur comportant un générateur de vapeur comprenant une chambre d'ébullition et un réservoir de liquide alimentant par gravité la chambre d'ébullition, le liquide s'écoulant par gravité du réservoir vers la chambre d'ébullition jusqu'à ce que le niveau de liquide dans la chambre d'ébullition atteigne un niveau d'équilibre, dit niveau de référence, pour lequel le niveau de liquide dans l'appareil empêche l'air de pénétrer dans le réservoir, la chambre d'ébullition comprenant une sortie de vapeur par laquelle la vapeur peut s'échapper en direction d'un outil de travail, tel une brosse de défroissage, et un orifice de communication relié à une canalisation présentant un orifice d'évacuation fermé par un bouchon amovible, caractérisé en ce que la canalisation comporte un récipient collecteur de tartre amovible par l'orifice d'évacuation.To this end, the invention relates to a household appliance comprising a base for the production of steam comprising a steam generator comprising a boiling chamber and a liquid reservoir feeding by gravity the boiling chamber, the liquid s' flowing by gravity from the tank to the boiling chamber until the liquid level in the boiling chamber reaches an equilibrium level, called the reference level, for which the liquid level in the device prevents the air to enter the tank, the boiling chamber comprising a steam outlet through which the steam can escape towards a work tool, such as an anti-crease brush, and a communication port connected to a pipe having an evacuation orifice closed by a removable plug, characterized in that the pipe has a limescale collection container removable through the discharge port.

Un tel appareil présente l'avantage de comporter un récipient collecteur de tartre qui permet à l'utilisateur de visualiser la quantité de tartre recueilli à chaque opération de vidange de l'appareil. Il peut ainsi adapter la fréquence de nettoyage du récipient collecteur de tartre en fonction de la quantité de tartre qu'il recueille. De plus, un tel collecteur de tartre présente l'avantage de procurer une grande ergonomie d'utilisation. Enfin, un tel récipient collecteur de tartre présente l'avantage de piéger les particules de tartre qui se déposent par gravité dans le fond du récipient et d'éviter que ces dernières ne soient renvoyées au travers de la canalisation en direction de la chambre d'ébullition.Such a device has the advantage of comprising a scale collecting container which allows the user to view the quantity of scale collected during each emptying operation of the device. He can thus adapt the frequency of cleaning of the scale collecting container according to the quantity of scale that he collects. In addition, such a scale collector has the advantage of providing great ergonomics of use. Finally, such a scale collecting container has the advantage of trapping the scale particles which are deposited by gravity in the bottom of the container and of preventing the latter from being returned through the pipe towards the chamber. boiling.

Selon une autre caractéristique avantageuse de l'invention, le récipient collecteur de tartre est solidaire du bouchon.According to another advantageous characteristic of the invention, the scale collecting container is integral with the stopper.

Une telle opération permet, en une seule manipulation de la part de l'utilisateur, de retirer à la fois le bouchon et le récipient collecteur de tartre de la canalisation.Such an operation makes it possible, in a single manipulation on the part of the user, to remove both the plug and the scale collecting container from the pipe.

Selon une autre caractéristique avantageuse de l'invention, la canalisation est alimentée en liquide en provenance du réservoir par un conduit d'alimentation qui débouche dans la canalisation au niveau d'un orifice d'entrée.According to another advantageous characteristic of the invention, the pipe is supplied with liquid from the reservoir by a supply pipe which opens into the pipe at an inlet orifice.

Une telle caractéristique permet d'alimenter le générateur de vapeur avec du liquide en provenance du réservoir par la même ouverture que celle utilisée pour évacuer les particules de tartre en direction de l'orifice d'évacuation, permettant de simplifier la construction de l'appareil.Such a feature makes it possible to supply the steam generator with liquid coming from the reservoir through the same opening as that used to evacuate the scale particles in the direction of the evacuation orifice, making it possible to simplify the construction of the apparatus. .

Selon une autre caractéristique avantageuse de l'invention, l'orifice d'entrée est disposé au-dessus d'une cavité de rétention des particules ménagée dans la partie inférieure de la canalisation, le récipient collecteur de tartre étant disposé de manière amovible dans la cavité de rétention des particules
Un tel appareil présente l'avantage de comporter une cavité de rétention des particules disposée en dessous de l'orifice d'entrée qui favorise la collecte des particules de tartre transportées par le flux de liquide s'établissant régulièrement entre la chambre d'ébullition et le réservoir lors du fonctionnement de l'appareil.According to another advantageous characteristic of the invention, the inlet orifice is disposed above a particle retention cavity formed in the lower part of the pipe, the scale collecting container being disposed in a removable manner in the particle retention cavity
Such an apparatus has the advantage of comprising a particle retention cavity arranged below the inlet orifice which favors the collection of scale particles transported by the flow of liquid which is established regularly between the boiling chamber and the tank when the appliance is in operation.

Selon une autre caractéristique avantageuse de l'invention, la cavité de rétention présente une forme adaptée pour retenir les particules de tartre et éviter qu'elles ne retournent vers la chambre d'ébullition en étant entrainées par le flux de liquide s'écoulant depuis l'orifice d'entrée en direction l'orifice de communication.According to another advantageous characteristic of the invention, the retention cavity has a shape adapted to retain the scale particles and prevent them from returning to the boiling chamber by being entrained by the flow of liquid flowing from the inlet orifice towards the communication orifice.

Selon une autre caractéristique de l'invention, la cavité comporte une extrémité longitudinale délimitée par une paroi transversale faisant saillie dans le fond de la canalisation.According to another characteristic of the invention, the cavity has a longitudinal end delimited by a transverse wall projecting into the bottom of the pipe.

Une telle paroi transversale présente l'avantage de former un obstacle qui s'oppose à l'écoulement des particules de la cavité vers la chambre d'ébullition.Such a transverse wall has the advantage of forming an obstacle which opposes the flow of particles from the cavity to the boiling chamber.

Selon une autre caractéristique de l'invention, le récipient collecteur de tartre comporte une fenêtre, disposée en regard de l'orifice d'entrée, au travers de laquelle le flux de liquide en provenance du réservoir s'écoule, la fenêtre comportant un dispositif de filtration.According to another characteristic of the invention, the scale collecting container comprises a window, arranged opposite the inlet orifice, through which the flow of liquid from the reservoir flows, the window comprising a device filtration.

Un tel dispositif de filtration permet d'éviter que des particules de tartre issues de la chambre d'ébullition ne soit envoyées au travers du conduit d'alimentation, évitant ainsi l'obturation progressive de ce dernier.Such a filtration device makes it possible to prevent particles of scale coming from the boiling chamber from being sent through the supply duct, thus avoiding the gradual blockage of the latter.

Selon une autre caractéristique de l'invention, le dispositif de filtration est constitué par une grille avec des ouvertures calibrées.According to another characteristic of the invention, the filtration device consists of a grid with calibrated openings.

Selon une autre caractéristique avantageuse de l'invention, la grille présente des ouvertures carrées de moins de 0,4 mm de côté, et préférentiellement comprises entre 0,1 mm et 0,4 mm.According to another advantageous characteristic of the invention, the grid has square openings of less than 0.4 mm on a side, and preferably between 0.1 mm and 0.4 mm.

Selon une autre caractéristique de l'invention, le récipient comporte deux joints d'étanchéité disposés de part et d'autre de la fenêtre.According to another characteristic of the invention, the container has two seals arranged on either side of the window.

Selon une autre caractéristique avantageuse de l'invention, la canalisation comprend un premier tronçon connecté fluidiquement à l'orifice de communication et un deuxième tronçon qui est décalé axialement vers le bas par rapport au premier tronçon, le deuxième tronçon comportant la cavité de rétention des particules.According to another advantageous characteristic of the invention, the pipe comprises a first section fluidly connected to the communication orifice and a second section which is offset axially downward with respect to the first section, the second section comprising the retention cavity of the particles.

Selon une autre caractéristique avantageuse de l'invention, les premier et deuxième tronçons communiquent entre eux par une ouverture ménagée dans la paroi transversale délimitant l'extrémité longitudinale de la cavité.According to another advantageous characteristic of the invention, the first and second sections communicate with each other via an opening made in the transverse wall delimiting the longitudinal end of the cavity.

Selon une autre caractéristique avantageuse de l'invention, les premier et deuxième tronçons communiquent entre eux par une ouverture ménagée dans une paroi au niveau de laquelle les premier et deuxième tronçons sont superposés.According to another advantageous characteristic of the invention, the first and second sections communicate with each other via an opening made in a wall at which the first and second sections are superimposed.

Selon une autre caractéristique avantageuse de l'invention, le premier tronçon s'étend dans l'axe de l'orifice de communication.According to another advantageous characteristic of the invention, the first section extends along the axis of the communication orifice.

Selon encore une autre caractéristique de l'invention, l'orifice d'entrée est disposé au voisinage de l'orifice de communication, de préférence à moins de 7 cm de ce dernier.According to yet another characteristic of the invention, the inlet orifice is arranged in the vicinity of the communication orifice, preferably less than 7 cm from the latter.

Une telle caractéristique présente l'avantage de permettre l'obtention d'un ensemble compact.Such a characteristic has the advantage of making it possible to obtain a compact assembly.

Selon une autre caractéristique de l'invention, l'orifice d'évacuation offre un accès visuel à l'orifice d'entrée.According to another characteristic of the invention, the evacuation orifice offers visual access to the inlet orifice.

Une telle caractéristique permet de faire un contrôle visuel de l'état d'obturation de l'orifice d'entrée et le cas échéant d'effectuer une opération de nettoyage de cet orifice à l'aide d'un outil introduit au travers de l'orifice d'évacuation.Such a feature makes it possible to visually check the state of closure of the inlet orifice and, if necessary, to perform an operation for cleaning this orifice using a tool inserted through the 'discharge port.

Selon encore une autre caractéristique de l'invention, la chambre d'ébullition est ménagée dans une cuve de contour circulaire, la canalisation s'étendant selon une direction radiale à la cuve.According to yet another characteristic of the invention, the boiling chamber is provided in a vessel with a circular outline, the pipe extending in a direction radial to the vessel.

On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après plusieurs modes particuliers de réalisation de l'invention présentés à titre d'exemples non limitatifs, en se référant aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'un appareil de repassage selon un mode particulier de réalisation de l'invention ;
  • la figure 2 est une vue en perspective de la base de l'appareil de la figure 1, démunie de la partie supérieure du boîtier ;
  • La figure 3 est une vue en perspective de la canalisation ;
  • la figure 4 est une vue en coupe longitudinale de la cuve et de la canalisation selon la ligne IV-IV de la figure 2 ;
  • la figure 5 est une vue de coté de la cuve et de la canalisation avec le bouchon amovible retiré de l'orifice d'évacuation ;
  • La figure 6 est une autre vue en perspective de l'appareil illustré sur la figure 2 avec le bouchon amovible extrait de l'orifice d'évacuation ;
  • La figure 7 est une vue en perspective du bouchon amovible équipé du récipient collecteur de tartre ;
  • La figure 8 est une vue en perspective d'une cuve équipée d'une canalisation et d'un bouchon amovible selon un second mode de réalisation de l'invention ; le bouchon étant représenté en position désaccouplé de l'orifice d'évacuation ;
  • La figure 9 est une vue en coupe longitudinale de la cuve et de la canalisation représentées à la figure 8, avec le bouchon accouplé à l'orifice d'évacuation.
The aims, aspects and advantages of the present invention will be better understood from the description given below of several particular embodiments of the invention presented by way of non-limiting examples, with reference to the accompanying drawings in which:
  • the figure 1 is a perspective view of an ironing appliance according to a particular embodiment of the invention;
  • the figure 2 is a perspective view of the base of the apparatus of the figure 1 , deprived of the upper part of the housing;
  • The figure 3 is a perspective view of the pipeline;
  • the figure 4 is a longitudinal sectional view of the tank and the pipeline along line IV-IV of the figure 2 ;
  • the figure 5 is a side view of the tank and the pipe with the removable plug removed from the discharge port;
  • The figure 6 is another perspective view of the apparatus illustrated in figure 2 with the removable plug extracted from the discharge opening;
  • The figure 7 is a perspective view of the removable cap fitted with the scale collection container;
  • The figure 8 is a perspective view of a tank equipped with a pipe and a removable plug according to a second embodiment of the invention; the plug being shown in the uncoupled position from the discharge port;
  • The figure 9 is a longitudinal sectional view of the tank and the pipe shown in figure 8 , with the plug coupled to the discharge port.

Seuls les éléments nécessaires à la compréhension de l'invention ont été représentés. Pour faciliter la lecture des dessins, les mêmes éléments portent les mêmes références d'une figure à l'autre.Only the elements necessary for understanding the invention have been shown. To facilitate reading of the drawings, the same elements bear the same references from one figure to another.

On notera que dans ce document, les termes "horizontal", "vertical", "inférieur", "supérieur", "avant", "arrière" employés pour décrire l'appareil font référence à cet appareil lorsque la base de l'appareil repose à plat sur le sol.It will be noted that in this document, the terms "horizontal", "vertical", "lower", "upper", "front", "rear" used to describe the apparatus refer to this apparatus when the base of the apparatus lies flat on the floor.

La figure 1 représente un appareil de repassage à la vapeur comportant une base 1 pour la génération de vapeur reliée par un cordon 2 à une brosse de défroissage 3.The figure 1 shows a steam ironing device comprising a base 1 for generating steam connected by a cord 2 to a smoothing brush 3.

Cet appareil est avantageusement muni d'un mât 10 télescopique présentant une extrémité supérieure équipée classiquement d'un porte manteau, non représenté sur la figure 1.This apparatus is advantageously provided with a telescopic mast 10 having an upper end conventionally equipped with a coat rack, not shown in FIG. figure 1 .

La base 1 comporte un boitier 11 en matière plastique recevant deux roues 12, disposées à l'extrémité arrière de la base 1, qui permettent un déplacement aisé de l'appareil en inclinant la base 1 vers l'arrière de manière à ce que seules les roues 12 restent au contact du sol. La base 1 comporte également deux pieds 13 qui font saillie sur la surface inférieure de la base 1, à proximité de l'extrémité avant de cette dernière, et sur lesquels la partie avant de la base 1 vient prendre appui lorsque la base 1 repose stablement sur le sol avec le mât 10 disposé sensiblement verticalement, comme cela est illustré sur la figure 1.The base 1 comprises a housing 11 of plastic material receiving two wheels 12, arranged at the rear end of the base 1, which allow easy movement of the device by tilting the base 1 backwards so that only the wheels 12 remain in contact with the ground. The base 1 also comprises two feet 13 which protrude on the lower surface of the base 1, near the front end of the latter, and on which the front part of the base 1 comes to rest when the base 1 rests stably. on the ground with the mast 10 disposed substantially vertically, as illustrated in figure 1 .

La base 1 comporte également un réservoir 4 amovible disposé au-dessus de l'axe des deux roues 12, le réservoir 4 comportant une poignée 40 à son extrémité supérieure facilitant son extraction de la base 1.The base 1 also comprises a removable reservoir 4 arranged above the axis of the two wheels 12, the reservoir 4 comprising a handle 40 at its upper end facilitating its extraction from the base 1.

Conformément à la figure 2, la base 1 renferme un générateur de vapeur 5 comportant un orifice de sortie de vapeur 50 à son extrémité supérieure qui est relié au cordon 2 amenant la vapeur à la brosse de défroissage 3.In accordance with the figure 2 , the base 1 contains a steam generator 5 having a steam outlet 50 at its upper end which is connected to the cord 2 bringing the steam to the anti-crease brush 3.

Le générateur de vapeur 5 est également relié à une canalisation 6 présentant une extrémité munie d'un orifice d'évacuation 60 fermé par un bouchon 7 amovible accessible depuis un côté de la base 1, la canalisation 6 comprenant un embranchement latéral 63 relié à un conduit d'alimentation 41 en provenance du réservoir 4.The steam generator 5 is also connected to a pipe 6 having one end provided with an evacuation orifice 60 closed by a removable plug 7 accessible from one side of the base 1, the pipe 6 comprising a lateral branch 63 connected to a supply pipe 41 from tank 4.

Le réservoir 4 est constitué par une enceinte fermée comprenant une paroi de fond muni d'une ouverture fermée par un bouchon amovible, non visibles sur les figures. Le bouchon du réservoir 4 comprend, de manière connue en soi, un orifice de sortie équipé d'une soupape qui se ferme automatiquement lorsque le réservoir 4 est retiré de la base 1, afin d'empêcher l'écoulement d'eau en dehors du réservoir 4, et qui s'ouvre lorsque le réservoir 4 est posé sur la base 1 afin que l'eau du réservoir 4 puisse s'écouler dans le conduit d'alimentation 41. Un tel bouchon équipé d'une soupape est semblable à celui illustré plus en détail dans la demande de brevet WO2007/111691 .The reservoir 4 is constituted by a closed enclosure comprising a bottom wall provided with an opening closed by a removable cap, not visible in the figures. The tank cap 4 comprises, in a manner known per se, an outlet port equipped with a valve which closes automatically when the tank 4 is withdrawn from the base 1, in order to prevent the flow of water out of the tank. tank 4, and which opens when the tank 4 is placed on the base 1 so that the water from the tank 4 can flow into the supply duct 41. Such a cap equipped with a valve is similar to that illustrated in more detail in the patent application WO2007 / 111691 .

Conformément à la figure 4, le générateur de vapeur 5 comporte une cuve 51 sensiblement tronconique qui renferme une chambre d'ébullition 52 dont le fond est défini par un corps 53 en aluminium dans lequel sont intégrées des résistances chauffantes 54, l'alimentation électrique des résistances chauffantes 54 étant contrôlée manière connue en soi par un circuit, non représenté sur les figures.In accordance with the figure 4 , the steam generator 5 comprises a substantially frustoconical tank 51 which contains a boiling chamber 52, the bottom of which is defined by a body 53 of aluminum in which are integrated heating resistors 54, the power supply to the heating resistors 54 being controlled in a manner known per se by a circuit, not shown in the figures.

Comme on peut le voir sur cette figure, la canalisation 6 débouche dans la chambre d'ébullition 52 par un orifice de communication 55 qui est ménagé dans une paroi latérale de la cuve 51, en étant disposé au voisinage du fond de la chambre d'ébullition 52, le diamètre de l'orifice de communication 55 étant avantageusement de l'ordre de 2 cm.As can be seen in this figure, the pipe 6 opens into the boiling chamber 52 through a communication orifice 55 which is formed in a side wall of the tank 51, being disposed in the vicinity of the bottom of the chamber. boiling 52, the diameter of the communication orifice 55 being advantageously of the order of 2 cm.

De manière préférentielle, la canalisation 6 comprend un premier tronçon 61, tubulaire, qui s'étend radialement à la cuve 51 et un deuxième tronçon 62, tubulaire, qui est décalé axialement vers le bas par rapport au premier tronçon 61, l'extrémité proximale du deuxième tronçon 62, la plus proche de la cuve 51, étant fermée par une paroi transversale 64 comprenant une ouverture 65, visible sur la figure 3, établissant une communication fluidique entre l'intérieur du premier tronçon 61 de la canalisation 6 et l'intérieur du deuxième tronçon 62 de la canalisation 6.Preferably, the pipe 6 comprises a first section 61, tubular, which extends radially to the tank 51 and a second section 62, tubular, which is offset axially downwards relative to the first section 61, the proximal end of the second section 62, the closest to the tank 51, being closed by a transverse wall 64 comprising an opening 65, visible on the figure 3 , establishing fluid communication between the interior of the first section 61 of the pipe 6 and the interior of the second section 62 of the pipe 6.

L'ouverture 65 est ménagée dans la partie supérieure de la paroi transversale 64 et la partie inférieure du deuxième tronçon 62 forme une cavité 66 de rétention des particules dont l'extrémité distale, la plus éloignée de la cuve 51, est fermée par le bouchon 7. De manière préférentielle, le bord inférieur de l'ouverture 65 vient dans l'alignement du bord inférieur de la section de passage du premier tronçon 61 de manière à ce que les particules présentes dans le fond du premier tronçon 61 puissent s'écouler librement vers le deuxième tronçon 62.The opening 65 is made in the upper part of the transverse wall 64 and the lower part of the second section 62 forms a particle retention cavity 66, the distal end of which, furthest from the tank 51, is closed by the stopper. 7. Preferably, the lower edge of the opening 65 comes into alignment with the lower edge of the passage section of the first section 61 so that the particles present in the bottom of the first section 61 can flow out. freely to the second section 62.

Dans l'exemple de réalisation illustré sur les figures, le premier tronçon 61 présente une section de passage circulaire de diamètre de l'ordre de 2 cm et le deuxième tronçon 62 présente avantageusement une section de passage oblongue de hauteur de l'ordre de 3 cm et de largeur de l'ordre de 2 cm. L'ouverture 65 ménagée dans la paroi transversale 64 présente avantageusement une forme oblongue en s'étendant sur une hauteur de l'ordre de 1,5 cm et une largeur de l'ordre de 1 cm.In the embodiment illustrated in the figures, the first section 61 has a circular passage section with a diameter of the order of 2 cm and the second section 62 advantageously has an oblong passage section with a height of the order of 3. cm and width of about 2 cm. The opening 65 made in the transverse wall 64 advantageously has an oblong shape extending over a height of the order of 1.5 cm and a width of the order of 1 cm.

De manière préférentielle, le conduit d'alimentation 41 en provenance du réservoir 4 est raccordé à la canalisation 6 par un orifice d'entrée 67 qui est ménagé dans la moitié supérieure du deuxième tronçon 62, c'est-à-dire à hauteur de l'ouverture 65 de communication ménagée dans la paroi transversale 64. Ainsi, lorsque du liquide s'écoule du réservoir 4 vers la cuve 51, le courant généré par le flux de liquide est localisé essentiellement dans la moitié supérieure du deuxième tronçon 62, le liquide présent dans la moitié inférieure du deuxième tronçon 62, au niveau de la cavité 66 de rétention, restant alors sensiblement stationnaire.Preferably, the supply duct 41 coming from the reservoir 4 is connected to the pipe 6 by an inlet orifice 67 which is provided in the upper half of the second section 62, that is to say at the height of the communication opening 65 formed in the transverse wall 64. Thus, when liquid flows from the reservoir 4 to the vessel 51, the current generated by the liquid flow is located essentially in the upper half of the second section 62, the liquid present in the lower half of the second section 62, at the level of the retention cavity 66, then remaining substantially stationary.

Conformément aux figures 5 à 7, le deuxième tronçon 62 de la canalisation 6 reçoit un récipient 8 collecteur de tartre qui est préférentiellement attaché au bouchon 7 amovible.In accordance with figures 5 to 7 , the second section 62 of the pipe 6 receives a scale collecting container 8 which is preferably attached to the removable plug 7.

Le bouchon 7 amovible est fixé sur l'extrémité de la canalisation 6 par une liaison de type baïonnette bien connue de l'homme du métier et qui est par exemple similaire à celle décrite plus en détails dans la demande de brevet FR 2981371 déposée par la demanderesse.The removable plug 7 is fixed to the end of the pipe 6 by a bayonet type connection well known to those skilled in the art and which is for example similar to that described in more detail in the patent application. FR 2981371 filed by the plaintiff.

Dans l'exemple de réalisation illustré sur la figure 7, le récipient 8 collecteur de tartre présente un corps 80 tubulaire de section oblongue qui présente une forme complémentaire de celle du deuxième tronçon 62, le corps 80 comprenant une fenêtre 81 venant en regard de l'orifice d'entrée 67 et une extrémité longitudinale fermée par une paroi d'extrémité 82 munie d'une ouverture 82A oblongue venant en correspondance avec l'ouverture 65 de la paroi transversale 64, la taille et la forme de l'ouverture 82A de la paroi d'extrémité étant semblables à celle de l'ouverture 65 de la paroi transversale 64.In the embodiment illustrated on figure 7 , the scale collecting container 8 has a tubular body 80 of oblong section which has a shape complementary to that of the second section 62, the body 80 comprising a window 81 facing the inlet orifice 67 and a closed longitudinal end by an end wall 82 provided with an oblong opening 82A corresponding to the opening 65 of the transverse wall 64, the size and shape of the opening 82A of the end wall being similar to that of the opening 65 of the transverse wall 64.

De manière préférentielle, la fenêtre 81 est équipée d'une grille de filtration 9, représentée uniquement sur la figure 7, qui filtre l'eau s'écoulant au travers de la fenêtre 81 et empêche notamment que des particules de tartre, issues de la cuve 51 et transportées par les courants s'établissant entre la cuve 51 et le réservoir 4, ne viennent s'accumuler au niveau de l'orifice d'entrée 67 de la canalisation 6.Preferably, the window 81 is equipped with a filtration grid 9, shown only on the figure 7 , which filters the water flowing through the window 81 and in particular prevents scale particles, coming from the tank 51 and transported by the currents being established between the tank 51 and the tank 4, do not come s' accumulate at inlet port 67 of line 6.

A titre d'exemple, la grille de filtration 9 est réalisée en fil d'inox et présente des ouvertures carrées de moins de 0,4 mm de côté, et préférentiellement comprises entre 0,1 mm et 0,4 mm.By way of example, the filtration grid 9 is made of stainless steel wire and has square openings of less than 0.4 mm on a side, and preferably between 0.1 mm and 0.4 mm.

De manière avantageuse, le récipient 8 collecteur de tartre comporte un premier et un deuxième joints d'étanchéité 83, 84 disposés de part et d'autre de la fenêtre 81, les joints 83, 84 s'étendant sur le pourtour du corps du récipient 8 pour venir au contact de la paroi intérieure du deuxième tronçon 62 de la canalisation 6.Advantageously, the scale collecting container 8 comprises a first and a second seal 83, 84 disposed on either side of the window 81, the seals 83, 84 extending around the periphery of the body of the container. 8 to come into contact with the inner wall of the second section 62 of the pipe 6.

Le premier joint d'étanchéité 83 est disposé à proximité de la paroi d'extrémité 82 du récipient 8 et permet d'éviter la circulation d'eau à l'extérieur du récipient 8 collecteur de tartre.The first seal 83 is arranged close to the end wall 82 of the container 8 and makes it possible to prevent the circulation of water outside the container 8 collecting scale.

Le deuxième joint d'étanchéité 84 est disposé à proximité du bouchon 7 amovible et permet d'éviter que de l'eau ne s'écoule à l'extérieur de l'appareil par le bouchon 7 amovible lorsque ce dernier vient fermer la canalisation 6.The second seal 84 is placed near the removable plug 7 and prevents water from flowing outside the device through the removable plug 7 when the latter closes the pipe 6 .

Le récipient 8 collecteur de tartre peut également être avantageusement muni d'un joint d'étanchéité disposé sur tout le pourtour de la fenêtre 81 pour assurer une liaison étanche avec le pourtour de l'orifice d'entrée 67 et éviter que de l'eau ne s'écoule dans l'interstice entre la canalisation 6 et le récipient 8 collecteur de tartre.The scale collecting container 8 can also be advantageously provided with a seal arranged around the entire periphery of the window 81 to ensure a leaktight connection with the periphery of the inlet orifice 67 and prevent water does not flow into the gap between the pipe 6 and the scale collecting container 8.

Le fonctionnement de l'appareil va maintenant être décrit.The operation of the apparatus will now be described.

Lorsque l'utilisateur souhaite utiliser l'appareil, il ôte le bouchon du réservoir 4 puis remplit ce dernier en position retourné, la poignée 40 du réservoir 4 se trouvant alors orientée vers le bas. Lorsque le niveau maximum de remplissage est atteint, l'utilisateur referme le bouchon puis saisit le réservoir 4 par la poignée 40 de manière à l'amener sur la base 1 ainsi que cela est illustré sur la figure 1. Lors de la mise place du réservoir 4 sur la base 1, la soupape intégrée au bouchon s'ouvre alors automatiquement et l'eau du réservoir 4 s'écoule dans le conduit d'alimentation 41, puis dans la canalisation 6 et dans la cuve 51 jusqu'à ce que le niveau d'eau dans l'appareil, et notamment dans la cuve 51, atteigne un niveau de référence, illustré en pointillé sur la figure 2, pour lequel l'air ne peut plus pénétrer dans le réservoir 4.When the user wishes to use the device, he removes the cap of the reservoir 4 and then fills the latter in the inverted position, the handle 40 of the reservoir 4 then being oriented downwards. When the maximum filling level is reached, the user closes the cap and then grasps the reservoir 4 by the handle 40 so as to bring it to the base 1 as is illustrated in the figure. figure 1 . When placing the tank 4 on the base 1, the valve integrated in the cap then opens automatically and the water from the tank 4 flows into the supply pipe 41, then into the pipe 6 and into the tank. 51 until the water level in the device, and in particular in the tank 51, reaches a reference level, illustrated in dotted lines on the figure 2 , for which the air can no longer enter the tank 4.

Ce niveau de référence, également appelé niveau d'équilibre, correspond au niveau d'eau pour lequel l'eau atteint l'orifice de sortie du réservoir 4 et empêche l'air de pénétrer dans le réservoir 4 de sorte que l'eau ne peut plus s'écouler en dehors du réservoir 4 tant que le niveau d'eau dans l'appareil ne baisse pas.This reference level, also called the equilibrium level, corresponds to the water level at which the water reaches the outlet of the tank 4 and prevents air from entering the tank 4 so that the water does not can no longer flow out of tank 4 as long as the water level in the appliance does not drop.

L'appareil peut alors être mis en fonctionnement de manière à alimenter électriquement les résistances chauffantes 54 présentes dans le fond de la chambre d'ébullition 52. L'eau présente dans la chambre d'ébullition 52 est alors amenée à ébullition et la vapeur produite peut s'échapper par le cordon 2 en direction de la brosse de défroissage 3. L'évaporation de l'eau présente dans la chambre d'ébullition 52 provoque alors une diminution du niveau dans la cuve 51 et donc un abaissement du niveau d'eau dans l'appareil et notamment au niveau de l'orifice de sortie du réservoir 4 de sorte que l'air peut de nouveau pénétrer dans le réservoir 4 en permettant à l'eau du réservoir 4 de s'écouler en direction de la cuve 51 jusqu'à atteindre de nouveau le niveau d'équilibre. Cet écoulement de l'eau du réservoir 4 vers la chambre d'ébullition 52 s'effectue de manière saccadée en générant des allers-retours du flux d'eau entre la cuve 51 et le réservoir 4 du fait des vagues générées par l'écoulement momentané d'une quantité d'eau hors du réservoir 4.The apparatus can then be put into operation so as to supply electrically the heating resistors 54 present in the bottom of the boiling chamber 52. The water present in the boiling chamber 52 is then brought to the boil and the vapor produced. can escape through the bead 2 in the direction of the anti-crease brush 3. The evaporation of the water present in the boiling chamber 52 then causes a decrease in the level in the tank 51 and therefore a lowering of the level of water in the device and in particular at the level of the outlet of the tank 4 so that the air can again enter the tank 4, allowing the water from the tank 4 to flow towards the tank 51 until reaching the equilibrium level again. This flow of water from the tank 4 to the boiling chamber 52 takes place in a jerky manner by generating round trips of the water flow between the tank 51 and the tank 4 due to the waves generated by the flow. momentary of a quantity of water out of the tank 4.

Ces mouvements d'eau alternatifs dans la canalisation 6 et dans la cuve 51 provoquent alors un soulèvement des particules de tartre et leur transport le long de la canalisation 6. Lorsque les particules de tartre atteignent le deuxième tronçon 62 de la canalisation 6, ces dernières ont tendances à tomber sous l'effet de la gravité, dans le fond du deuxième tronçon 62, c'est-à-dire dans la cavité 66 de rétention des particules et en particulier dans le récipient 8 collecteur de tartre disposé dans la cavité 66.These alternating movements of water in line 6 and in tank 51 then cause the scale particles to be lifted and transported along line 6. When the scale particles reach the second section 62 of line 6, the latter tend to fall under the effect of gravity, in the bottom of the second section 62, that is to say in the particle retention cavity 66 and in particular in the scale collecting container 8 placed in the cavity 66 .

Lorsque l'eau dans la canalisation 6 se déplace de la cuve 51 vers le réservoir 4, les éventuelles particules de tartre qui sont entrainées en direction de l'orifice d'entrée 67 sont bloquées par la grille de filtration 9 puis se trouvent détachées de cette grille de filtration 9 lors du reflux de l'eau en direction de la cuve 51, les particules tombant alors par gravité dans la cavité 66 et donc dans le récipient 8 collecteur de tartre.When the water in the pipe 6 moves from the tank 51 to the tank 4, any scale particles which are entrained in the direction of the inlet orifice 67 are blocked by the filtration grid 9 then are found detached from this filtration grid 9 during the reflux of the water towards the tank 51, the particles then falling by gravity into the cavity 66 and therefore into the container 8 collecting scale.

Un tel appareil permet présente donc l'avantage de posséder un récipient 8 collecteur de tartre qui récolte efficacement les particules de tartre initialement formées dans la chambre d'ébullition 52 et transportées dans la canalisation 6 par les flux d'eaux alternatifs s'établissant entre le réservoir 4 et la cuve 51 tout au long du fonctionnement de l'appareil.Such an apparatus therefore has the advantage of having a scale collecting container 8 which effectively collects the scale particles initially formed in the boiling chamber 52 and transported in the pipe 6 by the alternating water flows being established between the reservoir 4 and the tank 51 throughout the operation of the device.

Ainsi, lorsque l'utilisateur souhaite faire une opération d'entretien de son appareil, par exemple en y étant invité par une alarme activée automatiquement sur l'appareil, il lui suffit d'amener l'appareil au bord d'un évier puis d'ouvrir le bouchon 7 de manière à ce que l'eau encore contenue dans la cuve 51 puisse s'écouler par la canalisation 6. En retirant le bouchon 7 il extrait par la même occasion le récipient 8 collecteur de tartre, et peut visualiser la quantité de tartre récolté. Il peut alors rincer le récipient 8 collecteur de tartre en faisant passer l'eau robinet au travers de la fenêtre 81 et en évacuant le contenu du récipient 8 par l'ouverture 82A de la paroi d'extrémité 82.Thus, when the user wishes to carry out a maintenance operation on his appliance, for example by being invited to do so by an alarm activated automatically on the appliance, all he has to do is bring the appliance to the edge of a sink then '' open the stopper 7 so that the water still contained in the tank 51 can flow through the pipe 6. By removing the stopper 7 he at the same time extracts the scale collecting container 8, and can visualize the amount of tartar collected. He can then rinse the scale collecting container 8 by passing tap water through the window 81 and by discharging the contents of the container 8 through the opening 82A of the end wall 82.

L'utilisateur peut également vérifier visuellement par l'orifice d'évacuation 60 situé à l'extrémité de la canalisation 6, qu'aucun dépôt ne vient obstruer l'orifice d'entrée 67 et si nécessaire nettoyer mécaniquement cet orifice d'entrée 67 en introduisant un goupillon dans la canalisation 6 par l'orifice d'évacuation 60.The user can also visually check through the discharge opening 60 located at the end of the pipe 6, that no deposit is obstructing the inlet orifice 67 and if necessary mechanically clean this inlet orifice 67. by inserting a bottle brush into the pipe 6 through the discharge port 60.

Les figures 8 et 9 illustrent un deuxième mode de réalisation de la canalisation pouvant équiper la cuve de l'appareil selon l'invention. Conformément à ces figures, l'appareil selon ce deuxième mode de réalisation se différencie de l'appareil selon le premier mode de réalisation uniquement par la forme de la canalisation et de l'ensemble bouchon amovible/récipient collecteur de tartre.The figures 8 and 9 illustrate a second embodiment of the pipe that can equip the tank of the apparatus according to the invention. In accordance with these figures, the device according to this second embodiment differs from the device according to the first embodiment only by the shape of the pipe and of the removable plug / scale collecting container assembly.

Dans ce deuxième mode de réalisation, l'orifice de communication 55 de la cuve 51 est relié à une canalisation 106 présentant une forme en escalier, la canalisation 106 comportant un premier tronçon 161 tubulaire qui s'étend radialement à la cuve 51 et un deuxième tronçon 162 tubulaire qui est décalée axialement vers le bas par rapport au premier tronçon 161, les deux tronçons comprenant une zone de liaison où les deux tronçons 161, 162 sont superposés l'un par rapport à l'autre.In this second embodiment, the communication orifice 55 of the tank 51 is connected to a pipe 106 having a staircase shape, the pipe 106 comprising a first tubular section 161 which extends radially to the tank 51 and a second tubular section 162 which is offset axially downwards with respect to the first section 161, the two sections comprising a connecting zone where the two sections 161, 162 are superimposed with respect to one another.

Les deux tronçons de la canalisation 106 communiquent entre eux par une ouverture 165 reliant la partie inférieure du premier tronçon 161 avec la partie supérieure du deuxième tronçon 162, la zone de liaison étant fermée latéralement par des parois latérales 168 qui s'étendent verticalement de chaque côté de la canalisation 106.The two sections of the pipe 106 communicate with each other through an opening 165 connecting the lower part of the first section 161 with the upper part of the second section 162, the connecting zone being closed laterally by side walls 168 which extend vertically from each side of line 106.

Le conduit d'alimentation 41 en provenance du réservoir 4 est raccordé à la canalisation 106 par un orifice d'entrée 167 qui est ménagé dans la paroi latérale 168 de la zone de liaison de la canalisation 106, avantageusement à hauteur du premier tronçon 161 de manière à ce que l'orifice d'entrée 167 débouche au-dessus de l'ouverture 165 de communication entre les deux tronçons 161, 162.The supply pipe 41 coming from the reservoir 4 is connected to the pipe 106 by an inlet orifice 167 which is formed in the side wall 168 of the connecting zone of the pipe 106, advantageously at the height of the first section 161 of so that the inlet orifice 167 opens above the opening 165 for communication between the two sections 161, 162.

De manière préférentielle, l'orifice d'entrée 167 est muni d'une grille de filtration, non représentée sur les figures, empêchant la remontée des particules de tartre issues de la chambre d'ébullition 52 en direction du conduit d'alimentation 41.Preferably, the inlet orifice 167 is provided with a filtration grid, not shown in the figures, preventing the rise of scale particles coming from the boiling chamber 52 in the direction of the supply duct 41.

Conformément à la figure 9, le deuxième tronçon 162 présente une extrémité proximale qui est fermée par une paroi transversale 164 et une extrémité distale présentant un orifice d'évacuation 160 fermé par un bouchon 107 amovible embarquant un récipient 108 collecteur de tartre présentant la forme d'un demi-cylindre ouvert dans sa partie supérieure.In accordance with the figure 9 , the second section 162 has a proximal end which is closed by a transverse wall 164 and a distal end having an evacuation orifice 160 closed by a removable stopper 107 carrying a scale collecting container 108 having the shape of a half-cylinder open in its upper part.

Le fonctionnement de l'appareil équipé de l'ensemble cuve/canalisation selon ce second mode de réalisation reste le même que celui décrit pour le premier mode de réalisation, la construction particulière de la canalisation 106 selon le second mode de réalisation présentant cependant l'avantage de permettre l'obtention d'une cavité 166 de rétention des particules de plus grand volume, grâce à sa plus grande hauteur, tout en conservant un encombrement réduit de la canalisation 106, notamment dans le sens de la largeur de l'appareil. De plus, une telle construction permet d'éloigner l'orifice d'entrée 167 d'eau de la cavité 166 de rétention des particules, ce qui présente l'avantage de constituer une zone de calme plus prononcée au niveau de la cavité 166 de rétention des particules et donc de piéger encore plus efficacement les particules dans la cavité 166 et donc dans le récipient 108 collecteur de tartre.The operation of the apparatus equipped with the tank / pipe assembly according to this second embodiment remains the same as that described for the first embodiment, the particular construction of the pipe 106 according to the second embodiment however having the advantage of making it possible to obtain a cavity 166 for retaining particles of greater volume, thanks to its greater height, while retaining a reduced space requirement for the pipe 106, in particular in the direction of the width of the apparatus. In addition, such a construction makes it possible to move the water inlet port 167 away from the particle retention cavity 166, which has the advantage of constituting a more pronounced calm zone at the level of the particle retention cavity 166 and therefore of trapping the particles even more effectively in the cavity 166 and therefore in the container 108 scale collector.

Bien entendu, l'invention n'est nullement limitée aux modes de réalisation décrits et illustrés qui n'a été donnés qu'à titre d'exemples. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is in no way limited to the embodiments described and illustrated which have been given only by way of examples. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Ainsi, dans une variante de réalisation non représentée, le récipient collecteur de tartre pourra être indépendant du bouchon, de sorte que l'utilisateur pourra ouvrir le bouchon sans nécessairement extraire le récipient collecteur de tartre.Thus, in an alternative embodiment not shown, the scale collecting container may be independent of the cap, so that the user can open the cap without necessarily removing the scale collecting container.

Ainsi dans une variante de réalisation de l'invention non représentée, le générateur de vapeur pourra être alimentée, avec du liquide en provenance du réservoir, par une ouverture ménagée dans la cuve distincte de celle utilisée pour évacuer les particules de tartre en direction de l'orifice d'évacuation.Thus in an alternative embodiment of the invention not shown, the steam generator can be supplied, with liquid from the reservoir, through an opening in the tank separate from that used to evacuate the scale particles in the direction of the tank. 'discharge port.

Claims (9)

  1. An electrical household appliance comprising a base (1) for the production of steam comprising a steam generator (5) comprising a boiling chamber (52) and a liquid tank (4) supplying the boiling chamber (52) by gravity, the liquid flowing by gravity from the tank (4) to the boiling chamber until the liquid level in the boiling chamber (52) reaches an equilibrium level, referred to as the reference level, at which the liquid level in the appliance prevents air from entering the tank (4), the boiling chamber (52) comprising a steam outlet (50) through which steam can escape towards a work tool (3), such as a smoothing brush, and a communication port (55) connected to a pipe (6; 106) having a discharge port (60; 160) closed by a removable plug (7; 107), characterised in that the pipe (6; 106) has a scale-collecting container (8; 108) that is removable through the discharge port (60; 160).
  2. The electrical household appliance according to claim 1, characterised in that the scale-collecting container (8; 108) is secured to the plug (7).
  3. The electrical household appliance according to any one of claims 1 to 2, characterised in that the pipe (6; 106) is supplied with liquid from the tank (4) by a feed duct (41) that opens into the pipe (6; 106) at an inlet port (67; 167).
  4. The electrical household appliance according to claim 3, characterised in that the inlet port (67; 167) is arranged above a particle-retention cavity (66; 166) provided in the lower part of the pipe (6; 106), said scale-collecting container (8; 108) being arranged in a detachable manner in the particle-retention cavity (66; 166).
  5. The electrical household appliance according to claim 4, characterised in that the cavity (66; 166) comprises a longitudinal end delimited by a transverse wall (64; 164) projecting into the bottom of the pipe (6; 106).
  6. The electrical household appliance according to any one of claims 3 to 5, characterised in that the scale-collecting container (8; 108) comprises a window (81), arranged opposite the inlet port (67; 167) through which the flow of liquid from the tank (4) flows and wherein said window (81) has a filtering device (9).
  7. The electrical household appliance according to claim 6, characterised in that the filtering device consists of a filtration grate (9) with calibrated openings.
  8. The electrical household appliance according to any one of claims 6 to 7, characterised in that the container (8) comprises two seals (83, 84) arranged on either side of the window (81).
  9. The electrical appliance according to any one of claims 4 to 8, as dependant on claim 4, characterised in that the pipe (6; 106) comprises a first section (61; 161) fluidly connected to the communication port (55) and a second section (62; 162) which is offset axially downwards with respect to the first section (61; 161), the second section (62; 162) comprising the particle-retention cavity (66; 166).
EP18198090.5A 2017-10-05 2018-10-02 Household appliance comprising a base having a boiling chamber fed by gravity Active EP3467192B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1759365A FR3072103B1 (en) 2017-10-05 2017-10-05 HOUSEHOLD APPLIANCE COMPRISING A BASE COMPRISING A BOILING CHAMBER POWERED BY GRAVITY

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EP3467192A1 EP3467192A1 (en) 2019-04-10
EP3467192B1 true EP3467192B1 (en) 2020-09-16

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US (1) US11141036B2 (en)
EP (1) EP3467192B1 (en)
CN (2) CN209619704U (en)
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RU (1) RU2764416C2 (en)

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FR3072103B1 (en) * 2017-10-05 2019-09-20 Seb S.A. HOUSEHOLD APPLIANCE COMPRISING A BASE COMPRISING A BOILING CHAMBER POWERED BY GRAVITY
US11426050B2 (en) * 2020-04-28 2022-08-30 Noel Frankel Water boil cleaning device
CN114659086A (en) * 2020-12-23 2022-06-24 广州视源电子科技股份有限公司 Steam generation device and clothes nursing machine
CN115251781A (en) * 2022-09-05 2022-11-01 北京顺造科技有限公司 Surface cleaning apparatus

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FR3033338B1 (en) * 2015-03-03 2017-02-24 Seb Sa IRONING HOUSEHOLD APPLIANCE COMPRISING A FILTER FOR RETAINING VAPOR TRANSPARENT TARTRE PARTICLES
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Publication number Publication date
US11141036B2 (en) 2021-10-12
FR3072103A1 (en) 2019-04-12
RU2018132675A3 (en) 2021-12-13
US20190104907A1 (en) 2019-04-11
CN109629211A (en) 2019-04-16
RU2764416C2 (en) 2022-01-17
EP3467192A1 (en) 2019-04-10
CN109629211B (en) 2023-03-24
CN209619704U (en) 2019-11-12
FR3072103B1 (en) 2019-09-20
RU2018132675A (en) 2020-03-13

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