EP2626623A1 - Household appliance comprising a vessel in which water is boiled and a scale-recovery container - Google Patents

Household appliance comprising a vessel in which water is boiled and a scale-recovery container Download PDF

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Publication number
EP2626623A1
EP2626623A1 EP13153738.3A EP13153738A EP2626623A1 EP 2626623 A1 EP2626623 A1 EP 2626623A1 EP 13153738 A EP13153738 A EP 13153738A EP 2626623 A1 EP2626623 A1 EP 2626623A1
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EP
European Patent Office
Prior art keywords
container
vessel
tank
domestic appliance
appliance according
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
EP13153738.3A
Other languages
German (de)
French (fr)
Other versions
EP2626623B1 (en
Inventor
Dominique Gelus
Ingrid Kuhn
Stéphanie Lemaire
Martial Maisonneuve
Olivier Manzini
Cédric METAY
Clément Saunier
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SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP2626623A1 publication Critical patent/EP2626623A1/en
Application granted granted Critical
Publication of EP2626623B1 publication Critical patent/EP2626623B1/en
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Classifications

    • D06F39/40—
    • 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
    • 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
    • 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
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00

Definitions

  • the present invention relates to an appliance comprising a vessel in which water is boiled and a scale recovery vessel disposed near the bottom of the vessel, and relates more particularly to an apparatus in which the vessel has an elongated shape that can be extracted or introduced into the vessel through an orifice formed on a side wall of the vessel.
  • Such an apparatus is known from the patent application FR 2,904,683 filed by the applicant and has the advantage of allowing easy cleaning of the tank, the user can easily extract the container to remove scale.
  • Another advantage of such a tartar recovery vessel is to allow the user to visualize the amount of tartar formed in the tank and to adapt accordingly the frequency of the cleaning operations.
  • Such a tartar recovery vessel has the disadvantage of not ensuring perfect retention of the finest tartar particles when significant water movements are generated in the tank so that it is possible that a portion of the particles scale, initially recovered in the recovery tank, escape into the tank during boiling or during transport of the device.
  • an object of the present invention is to provide an appliance in which the recovery performance of the tartar recovery vessel is improved.
  • the subject of the invention is a household appliance comprising a tank in which water is boiled and a scale-collecting container placed near the bottom of the tank, the container having an elongated shape that can be extracted. or introduced into the vessel through an orifice formed on a side wall of the vessel, the vessel being engaged in the orifice by an end of the vessel and comprising at least one cavity having an upper opening providing a passage through which the particles of scale are collected in the cavity, characterized in that the upper opening has a passage section reduced in approaching the terminal end of the container.
  • the cavity has an upper portion closed by a retaining wall at the terminal end of the container.
  • the container is, opposite to the end end, secured to a stopper closing the orifice of the vessel.
  • the orifice is disposed near the bottom of the tank and constitutes a drain orifice.
  • the container has a portion bent towards the bottom of the tank near the cap so that the container rests on the bottom of the tank over most of its length when the cap closes. the orifice.
  • the cavity comprising a bottom wall extending on the sides by side walls rising upwards, leaving between them a space defining the upper opening of passage, the side walls being , near the end of the container, folded towards each other so that the space separating the side walls is reduced.
  • the bottom wall is semi-cylindrical.
  • the container successively comprises a central part which is widely open in its upper half, an intermediate part having a narrower opening in its upper half and an end part having a closed upper part.
  • the level of water in the tank is regulated around a mean level h and the side walls are interrupted, at the central part, at a height adapted to come under the average water level h in the tank, and within 5 mm of the latter, when the container rests on the bottom of the tank.
  • the side walls provide between them a space greater than 5 mm at the central part.
  • the side walls are folded parallel to the bottom of the tube and provide between them a gap of less than 3 mm at the intermediate portion of the container.
  • the closed end portion extends over a length greater than 10 mm.
  • the apparatus is an ironing apparatus, the vat for the production of steam being connected to an iron or a steam brush.
  • the figure 1 represents a steam generator under pressure for an ironing apparatus comprising a tank 1 comprising heating means for producing steam under a maximum pressure of the order of 4 or 5 bar, these heating means being conventionally constituted by a resistance heating element U-shaped, shown in dashed lines on the figure 3 , arranged under the bottom of the tank 1.
  • the vessel 1 is advantageously constituted by a lower shell 1A and an upper shell 1B made of stainless steel, welded together, the upper shell 1B of the vessel having a lateral outlet orifice 11 steam on which is fixed a solenoid valve, not shown in the figure, for controlling the sending of steam to an iron.
  • the lower shell 1A of the tank comprises a tubular connector 2 screwed onto an opening formed on a side wall of the tank 1, slightly above the bottom of the tank 1, the tubular connector 2 having a drain orifice 20, visible on the figure 2 closed by a plug 3.
  • connection 2 comprises a water inlet 21 for maintaining a water level in the tank 1 regulated around a mean level h of the order of 12 mm, shown in dotted line on the figure 2 , the water inlet 21 being, in a manner known per se, connected to a pump fed by a reservoir, not shown in the figures.
  • the vessel 1 contains a vessel 4 stainless steel scale recovery integral with the plug 3, the container 4 taking place in a cold zone of the bottom of the tank 1 located midway between the two branches of the heating resistor 10 in form of U and having an elongated shape allowing it to be introduced or extracted from the tank 1 by the discharge orifice 20.
  • the container 4 has the general shape of a truncated tube in its upper part comprising an inflected portion 4A near the cap 3, the container 4 having a terminal end 40 closed by a wall and an opposite end connected to the cap 3 by an axis 30 allowing a free rotation of the container 4 relative to the plug 3 about the axis 30.
  • Such rotational mounting of the container 4 allows the screwing and unscrewing of the cap 3 on a thread surrounding the emptying orifice 20 without driving the container 4 in rotation, the connector 2 having a polarizing element 22 blocking the rotation of the container 4 and now the latter in a predetermined orientation in which the container 4 rests on the bottom of the tank 1 over a major part of its length.
  • the container 4 has a semi-cylindrical bottom wall 41 extending on the sides by side walls 42 rising upwards, leaving between them a space d 1 , d 2 defining an upper passage opening towards a cavity 43 in which the pie particles are collected.
  • the upper opening of the cavity 43 has a passage section which is reduced as it approaches the terminal end 40 of the container, the container 4 advantageously and successively in the longitudinal direction, starting from the inflected portion 4A, a central portion 4B widely open in its upper half, an intermediate portion 4C having a narrower opening and a terminal portion 4D completely closed by a retention wall 44.
  • the drain orifice 20 has a diameter slightly greater than that of the container 4 and the inflated portion 4A of the container is thinned and has a length similar to that of the connector 2 so as to allow easy introduction and extraction of the container 4 in the drain port 20 despite the presence of the inflected portion 4A.
  • the side walls 42 of the container at the central portion 4B rise following the circular curvature of the semicylindrical bottom wall 41 and interrupt at a height close to that of the mean water level h in the tank 1, leaving between them a wide gap d 1 , greater than 5 mm.
  • the side walls 42 at the intermediate portion 4C have a flat portion folded parallel to the bottom of the tank 1 so that a restricted space d 2 between 1 and 3 mm is provided between the straight edges of the side walls 42.
  • the semi-cylindrical bottom wall 41 of the container has a diameter of the order of 12 mm, the central portion 4B extending longitudinally over a length of about 40 mm and having side walls. 42 interrupting at a height of the order of 10 mm by providing between them a space d 1 of about 7 mm, the intermediate portion 4C extending over a length of the order of 30 mm and having side walls 42 folded at mid-height, leaving between them a space d 2 of the order of 3 mm, the closed end portion 4D extending over a length of the order of 10 mm.
  • the inflected portion 4A is disposed at the outlet of the connector 2 and the container 4 is applied against the bottom of the vessel 1 over the major part of its length. It is then in a position to harvest the scale particles present in the tank 1.
  • the start of the heating resistor 10 located under the tank 1 causes the heating up to the boiling of the water located in the immediate vicinity of the branches of the heating resistor 10, this boiling materialized by the formation of vapor bubbles rising towards the surface of the water by lifting the particles of scale which are then brought back to the surface of the water, as is schematically illustrated on the figure 9 .
  • the stirring of the particles by boiling generates a flow transporting the scale particles to a zone of calm situated above the tartar recovery container 4, where the water is quieter because of the distance from this zone with respect to branches of the heating resistor 10, so that the scale particles can be deposited by gravity in the cavity of the recovery container 4.
  • the heavier scale particles are then deposited essentially in the central part 4B of the container at which the space between the side walls 42 is the largest and the height of the side walls 42, close to the average level h in the tank, is optimal for capture the tartar particles by convection when the water boils heavily.
  • the finest scale particles which are more sensitive to the movement of water, tend not to remain trapped in the central part 4B, which has an upper opening that is too large to allow good retention of these particles, but remains trapped in the intermediate portion 4C for which the space between the side walls 42 is reduced.
  • This provides a vessel 4 tartar recovery ensuring both a good recovery and good retention of tartar particles the finest and most important.
  • the closed end portion 4D of the container prevents the tartar accumulated in the cavity 43 from escaping through the end of the container. container 4.
  • Such a tartar recovery container has the advantage of remaining easy to clean, the terminal end completely closed remaining limited size.
  • the recovery container 4 may be associated with a deflector, as described in the patent application.
  • FR 2,904,683 deflecting the bubbles created by the boiling of the water and away from the area above the tartar recovery vessel to create an even greater calm zone above the recovery vessel promoting the deposition of scale by gravity.

Abstract

The appliance has a tank in which water is boiled, and a container (4) placed proximate the bottom of the tank for recovery of scale particles. The container is introduced into the tank via an orifice formed on a side wall of the tank, where the container is engaged in the orifice through a terminal end of the container. The container includes a cavity (43) having an upper opening forming a passage by which scale particles are collected in the cavity, where the cross-section of the passage is reduced towards the terminal end of the container.

Description

La présente invention se rapporte à un appareil électroménager comprenant une cuve dans laquelle de l'eau est portée à ébullition et un récipient récupérateur de tartre disposé à proximité du fond de la cuve, et se rapporte plus particulièrement à un appareil dans lequel le récipient présente une forme allongée pouvant être extraite ou introduite dans la cuve par une orifice ménagé sur une paroi latérale de la cuve.The present invention relates to an appliance comprising a vessel in which water is boiled and a scale recovery vessel disposed near the bottom of the vessel, and relates more particularly to an apparatus in which the vessel has an elongated shape that can be extracted or introduced into the vessel through an orifice formed on a side wall of the vessel.

Un tel appareil est connu de la demande de brevet FR 2 904 683 déposée par la demanderesse et présente l'avantage de permettre un nettoyage aisé de la cuve, l'utilisateur pouvant facilement extraire le récipient pour évacuer le tartre. Un autre avantage d'un tel récipient récupérateur de tartre est de permettre à l'utilisateur de visualiser la quantité de tartre formé dans la cuve et d'adapter en conséquence la fréquence des opérations de nettoyage.Such an apparatus is known from the patent application FR 2,904,683 filed by the applicant and has the advantage of allowing easy cleaning of the tank, the user can easily extract the container to remove scale. Another advantage of such a tartar recovery vessel is to allow the user to visualize the amount of tartar formed in the tank and to adapt accordingly the frequency of the cleaning operations.

Un tel récipient récupérateur de tartre présente cependant l'inconvénient de ne pas assurer un parfait maintien des particules de tartre les plus fines lorsque des mouvements d'eau importants sont générés dans la cuve de sorte qu'il est possible qu'une partie des particules de tartre, initialement récupérées dans le récipient récupérateur, s'échappent dans la cuve lors de l'ébullition ou lors du transport de l'appareil.Such a tartar recovery vessel, however, has the disadvantage of not ensuring perfect retention of the finest tartar particles when significant water movements are generated in the tank so that it is possible that a portion of the particles scale, initially recovered in the recovery tank, escape into the tank during boiling or during transport of the device.

Aussi, un but de la présente invention est de proposer un appareil électroménager dans lequel les performances de récupération du récipient récupérateur de tartre sont améliorées.Also, an object of the present invention is to provide an appliance in which the recovery performance of the tartar recovery vessel is improved.

A cet effet, l'invention a pour objet un appareil électroménager comprenant une cuve dans laquelle de l'eau est portée à ébullition et un récipient récupérateur de tartre disposé à proximité du fond de la cuve, le récipient présentant une forme allongée pouvant être extraite ou introduite dans la cuve par une orifice ménagé sur une paroi latérale de la cuve, le récipient étant engagé dans l'orifice par une extrémité terminale du récipient et comprenant au moins une cavité présentant une ouverture supérieure ménageant un passage par lequel les particules de tartre sont recueillis dans la cavité, caractérisé en ce que l'ouverture supérieure présente une section de passage se réduisant en s'approchant de l'extrémité terminale du récipient.To this end, the subject of the invention is a household appliance comprising a tank in which water is boiled and a scale-collecting container placed near the bottom of the tank, the container having an elongated shape that can be extracted. or introduced into the vessel through an orifice formed on a side wall of the vessel, the vessel being engaged in the orifice by an end of the vessel and comprising at least one cavity having an upper opening providing a passage through which the particles of scale are collected in the cavity, characterized in that the upper opening has a passage section reduced in approaching the terminal end of the container.

Selon une autre caractéristique de l'invention, la cavité présente une partie supérieure fermée par une paroi de rétention au niveau de l'extrémité terminale du récipient.According to another characteristic of the invention, the cavity has an upper portion closed by a retaining wall at the terminal end of the container.

Selon encore une autre caractéristique de l'invention, le récipient est, à l'opposé à l'extrémité terminale, solidaire d'un bouchon venant fermer l'orifice de la cuve.According to yet another characteristic of the invention, the container is, opposite to the end end, secured to a stopper closing the orifice of the vessel.

Selon encore une autre caractéristique de l'invention, l'orifice est disposée à proximité du fond de la cuve et constitue un orifice de vidange.According to yet another characteristic of the invention, the orifice is disposed near the bottom of the tank and constitutes a drain orifice.

Selon encore une autre caractéristique de l'invention, le récipient comporte une partie infléchie en direction du fond de la cuve à proximité du bouchon de sorte que le récipient repose sur le fond de la cuve sur la majeure partie de sa longueur lorsque le bouchon ferme l'orifice.According to yet another characteristic of the invention, the container has a portion bent towards the bottom of the tank near the cap so that the container rests on the bottom of the tank over most of its length when the cap closes. the orifice.

Selon encore une autre caractéristique de l'invention, la cavité comportant une paroi de fond se prolongeant sur les cotés par des parois latérales s'élevant vers le haut en ménageant entre elles un espace définissant l'ouverture supérieure de passage, les parois latérales étant, à proximité de l'extrémité terminale du récipient, repliées l'une vers l'autre de manière à ce que l'espace séparant les parois latérales soit réduit.According to yet another characteristic of the invention, the cavity comprising a bottom wall extending on the sides by side walls rising upwards, leaving between them a space defining the upper opening of passage, the side walls being , near the end of the container, folded towards each other so that the space separating the side walls is reduced.

Selon une autre caractéristique de l'invention, la paroi de fond est semi-cylindrique.According to another characteristic of the invention, the bottom wall is semi-cylindrical.

Selon une autre caractéristique de l'invention, le récipient comporte successivement une partie centrale largement ouverte dans sa moitié supérieure, une partie intermédiaire présentant une ouverture plus restreinte dans sa moitié supérieure et une partie terminale présentant une partie supérieure fermée.According to another characteristic of the invention, the container successively comprises a central part which is widely open in its upper half, an intermediate part having a narrower opening in its upper half and an end part having a closed upper part.

Selon encore une autre caractéristique de l'invention, le niveau d'eau dans la cuve est régulé autour d'un niveau moyen h et les parois latérales s'interrompent, au niveau de la partie centrale, à une hauteur adaptée pour venir sous le niveau d'eau moyen h dans la cuve, et à moins de 5 mm de ce dernier, lorsque le récipient repose sur le fond de la cuve.According to yet another characteristic of the invention, the level of water in the tank is regulated around a mean level h and the side walls are interrupted, at the central part, at a height adapted to come under the average water level h in the tank, and within 5 mm of the latter, when the container rests on the bottom of the tank.

Selon encore une autre caractéristique de l'invention, les parois latérales ménagent entre elles un espace supérieur à 5 mm au niveau de la partie centrale.According to yet another characteristic of the invention, the side walls provide between them a space greater than 5 mm at the central part.

Selon une autre caractéristique de l'invention, les parois latérales sont repliées parallèlement au fond du tube et ménagent entre elles un espace inférieur à 3 mm au niveau de la partie intermédiaire du récipient.According to another characteristic of the invention, the side walls are folded parallel to the bottom of the tube and provide between them a gap of less than 3 mm at the intermediate portion of the container.

Selon une autre caractéristique de l'invention, la partie terminale fermée s'étend sur une longueur supérieure à 10 mm.According to another characteristic of the invention, the closed end portion extends over a length greater than 10 mm.

Selon autre caractéristique de l'invention, l'appareil est un appareil de repassage, la cuve pour la production de vapeur étant reliée à un fer à repasser ou à une brosse de défroissage.According to another characteristic of the invention, the apparatus is an ironing apparatus, the vat for the production of steam being connected to an iron or a steam brush.

On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après d'un mode particulier de réalisation de l'invention présenté à titre d'exemple non limitatif, en se référant aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'une cuve génératrice de vapeur sous pression d'un appareil de repassage selon un mode particulier de réalisation de l'invention,
  • la figure 2 est une vue en coupe de la cuve de la figure 1 selon l'axe longitudinal du récipient récupérateur ;
  • la figure 3 représente la cuve démunie de sa partie supérieure pour laisser apparaître les éléments contenus dans la cuve;
  • la figure 4 est une vue en perspective du récipient récupérateur de tartre extrait de la cuve ,
  • la figure 5 est une vue de côté du récipient récupérateur de tartre ;
  • la figure 6 est une vue de dessus du récipient récupérateur de tartre ;
  • les figures 7 et 8 sont des vues en coupe selon respectivement les lignes VII-VII et VIII-VIII de la figure 6 ;
  • la figure 9 est une vue en coupe, schématique, de la cuve selon un plan perpendiculaire à l'axe longitudinal du récipient récupérateur de tartre.
The aims, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention presented by way of non-limiting example, with reference to the accompanying drawings in which :
  • the figure 1 is a perspective view of a steam generating vessel under pressure of an ironing apparatus according to a particular embodiment of the invention,
  • the figure 2 is a sectional view of the tank of the figure 1 along the longitudinal axis of the recovery vessel;
  • the figure 3 represents the empty bowl of its upper part to reveal the elements contained in the tank;
  • the figure 4 is a perspective view of the tartar recovery container extracted from the tank,
  • the figure 5 is a side view of the tartar recovery vessel;
  • the figure 6 is a top view of the tartar recovery vessel;
  • the Figures 7 and 8 are sectional views along the lines VII-VII and VIII-VIII respectively of the figure 6 ;
  • the figure 9 is a schematic sectional view of the vessel in a plane perpendicular to the longitudinal axis of the tartar recovery vessel.

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 the understanding of the invention have been represented. To facilitate the reading of the drawings, the same elements bear the same references from one figure to another.

La figure 1 représente un générateur de vapeur sous pression pour un appareil de repassage comportant une cuve 1 comprenant des moyens de chauffe permettant la production de vapeur sous une pression maximum de l'ordre de 4 ou 5 bars, ces moyens de chauffe étant classiquement constitués par une résistance chauffante 10 en forme de U, représentée en pointillées sur la figure 3, disposée sous le fond de la cuve 1.The figure 1 represents a steam generator under pressure for an ironing apparatus comprising a tank 1 comprising heating means for producing steam under a maximum pressure of the order of 4 or 5 bar, these heating means being conventionally constituted by a resistance heating element U-shaped, shown in dashed lines on the figure 3 , arranged under the bottom of the tank 1.

La cuve 1 est avantageusement constituée d'une coquille inférieure 1A et d'une coquille supérieure 1 B en acier inox, assemblées l'une sur l'autre par soudage, la coquille supérieure 1 B de la cuve comportant un orifice latéral 11 de sortie de vapeur sur lequel vient se fixer une électrovanne, non représentée sur la figure, permettant de commander l'envoi de vapeur vers un fer à repasser.The vessel 1 is advantageously constituted by a lower shell 1A and an upper shell 1B made of stainless steel, welded together, the upper shell 1B of the vessel having a lateral outlet orifice 11 steam on which is fixed a solenoid valve, not shown in the figure, for controlling the sending of steam to an iron.

La coquille inférieure 1A de la cuve comporte un raccord tubulaire 2 vissé sur une ouverture ménagée sur une paroi latérale de la cuve 1, légèrement au dessus du fond de la cuve 1, le raccord tubulaire 2 comportant un orifice de vidange 20, visible sur la figure 2, fermé par un bouchon 3.The lower shell 1A of the tank comprises a tubular connector 2 screwed onto an opening formed on a side wall of the tank 1, slightly above the bottom of the tank 1, the tubular connector 2 having a drain orifice 20, visible on the figure 2 closed by a plug 3.

Le raccord 2 comporte une arrivé d'eau 21 permettant de maintenir un niveau d'eau dans la cuve 1 régulé autour d'un niveau moyen h de l'ordre de 12 mm, représenté en pointillé sur la figure 2, l'arrivée d'eau 21 étant, de manière connue en soi, reliée à une pompe alimentée par un réservoir, non représentés sur les figures.The connection 2 comprises a water inlet 21 for maintaining a water level in the tank 1 regulated around a mean level h of the order of 12 mm, shown in dotted line on the figure 2 , the water inlet 21 being, in a manner known per se, connected to a pump fed by a reservoir, not shown in the figures.

Conformément aux figures 2 et 3, la cuve 1 renferme un récipient 4 récupérateur de tartre en acier inox solidaire du bouchon 3, le récipient 4 prenant place dans une zone froide du fond de la cuve 1 située à mi-distance entre les deux branches de la résistance chauffante 10 en forme de U et présentant une forme allongée lui permettant d'être introduit ou extrait de la cuve 1 par l'orifice de vidange 20.In accordance with figures 2 and 3 , the vessel 1 contains a vessel 4 stainless steel scale recovery integral with the plug 3, the container 4 taking place in a cold zone of the bottom of the tank 1 located midway between the two branches of the heating resistor 10 in form of U and having an elongated shape allowing it to be introduced or extracted from the tank 1 by the discharge orifice 20.

De manière préférentielle, le récipient 4 présente la forme générale d'un tube tronqué dans sa partie supérieure comprenant une partie infléchie 4A à proximité du bouchon 3, le récipient 4 comportant une extrémité terminale 40 fermée par une paroi et une extrémité opposée reliée au bouchon 3 par un axe 30 autorisant une libre rotation du récipient 4 par rapport au bouchon 3 autour de l'axe 30.Preferably, the container 4 has the general shape of a truncated tube in its upper part comprising an inflected portion 4A near the cap 3, the container 4 having a terminal end 40 closed by a wall and an opposite end connected to the cap 3 by an axis 30 allowing a free rotation of the container 4 relative to the plug 3 about the axis 30.

Un tel montage rotatif du récipient 4 permet le vissage et le dévissage du bouchon 3 sur un filetage entourant l'orifice de vidange 20 sans entrainer le récipient 4 en rotation, le raccord 2 comportant un élément détrompeur 22 bloquant la rotation du récipient 4 et maintenant ce dernier selon une orientation prédéterminée dans laquelle le récipient 4 repose sur le fond de la cuve 1 sur une majeure partie de sa longueur.Such rotational mounting of the container 4 allows the screwing and unscrewing of the cap 3 on a thread surrounding the emptying orifice 20 without driving the container 4 in rotation, the connector 2 having a polarizing element 22 blocking the rotation of the container 4 and now the latter in a predetermined orientation in which the container 4 rests on the bottom of the tank 1 over a major part of its length.

Conformément aux figures 4 à 8, le récipient 4 comporte une paroi de fond 41 semi-cylindrique se prolongeant sur les côtés par des parois latérales 42 s'élevant vers le haut en ménageant entre elles un espace d1, d2 définissant une ouverture supérieure de passage vers une cavité 43 dans laquelle les particules de tarte sont recueillies.In accordance with Figures 4 to 8 , the container 4 has a semi-cylindrical bottom wall 41 extending on the sides by side walls 42 rising upwards, leaving between them a space d 1 , d 2 defining an upper passage opening towards a cavity 43 in which the pie particles are collected.

Plus particulièrement selon l'invention, l'ouverture supérieure de la cavité 43 présente une section de passage se réduisant en s'approchant de l'extrémité terminale 40 du récipient, le récipient 4 comportant avantageusement et successivement selon la direction longitudinale, à partir de la partie infléchie 4A, une partie centrale 4B largement ouverte dans sa moitié supérieure, une partie intermédiaire 4C présentant une ouverture plus restreinte et une partie terminale 4D complètement fermée par une paroi de rétention 44.More particularly according to the invention, the upper opening of the cavity 43 has a passage section which is reduced as it approaches the terminal end 40 of the container, the container 4 advantageously and successively in the longitudinal direction, starting from the inflected portion 4A, a central portion 4B widely open in its upper half, an intermediate portion 4C having a narrower opening and a terminal portion 4D completely closed by a retention wall 44.

De manière préférentielle, l'orifice de vidange 20 présente un diamètre légèrement supérieur à celui du récipient 4 et la partie infléchie 4A du récipient est amincie et présente une longueur similaire à celle du raccord 2 de manière à permettre une introduction et une extraction aisée du récipient 4 dans l'orifice de vidange 20 malgré la présence de la partie infléchie 4A.Preferably, the drain orifice 20 has a diameter slightly greater than that of the container 4 and the inflated portion 4A of the container is thinned and has a length similar to that of the connector 2 so as to allow easy introduction and extraction of the container 4 in the drain port 20 despite the presence of the inflected portion 4A.

Conformément à la figure 7, qui représente une vue en coupe du récipient 4 au niveau de la partie centrale 4B, les parois latérales 42 du récipient au niveau de cette partie centrale 4B s'élèvent en suivant la courbure circulaire de la paroi de fond 41 semi-cylindrique et s'interrompent à une hauteur proche de celle du niveau d'eau moyen h dans la cuve 1, en ménageant entre elles un large espace d1, supérieur à 5 mm.In accordance with the figure 7 , which represents a sectional view of the container 4 at the central portion 4B, the side walls 42 of the container at the central portion 4B rise following the circular curvature of the semicylindrical bottom wall 41 and interrupt at a height close to that of the mean water level h in the tank 1, leaving between them a wide gap d 1 , greater than 5 mm.

Conformément à la figure 8, qui représente une vue en coupe du récipient 4 au niveau de la partie intermédiaire 4C, les parois latérales 42 au niveau de la partie intermédiaire 4C présentent une partie plane repliée parallèlement au fond la cuve 1 de telle sorte qu'un espace d2 restreint, compris entre 1 et 3 mm, est ménagé entre les bords rectilignes des parois latérales 42.In accordance with the figure 8 , which represents a sectional view of the container 4 at the intermediate portion 4C, the side walls 42 at the intermediate portion 4C have a flat portion folded parallel to the bottom of the tank 1 so that a restricted space d 2 between 1 and 3 mm is provided between the straight edges of the side walls 42.

A titre d'exemple, la paroi de fond 41 semi-cylindrique du récipient présente un diamètre de l'ordre de 12 mm, la partie centrale 4B s'étendant longitudinalement sur une longueur de l'ordre de 40 mm et présentant des parois latérales 42 s'interrompant à une hauteur de l'ordre de 10 mm en ménageant entre elles un espace d1 de l'ordre de 7 mm, la partie intermédiaire 4C s'étendant sur une longueur de l'ordre de 30 mm et présentant des parois latérales 42 repliées à mi-hauteur en ménageant entre elles un espace d2 de l'ordre de 3 mm, la partie terminale 4D fermée s'étendant quant à elle sur une longueur de l'ordre de 10 mm.For example, the semi-cylindrical bottom wall 41 of the container has a diameter of the order of 12 mm, the central portion 4B extending longitudinally over a length of about 40 mm and having side walls. 42 interrupting at a height of the order of 10 mm by providing between them a space d 1 of about 7 mm, the intermediate portion 4C extending over a length of the order of 30 mm and having side walls 42 folded at mid-height, leaving between them a space d 2 of the order of 3 mm, the closed end portion 4D extending over a length of the order of 10 mm.

Le fonctionnement du récipient 4 récupérateur de tartre présent dans la cuve 1 va maintenant être décrit.The operation of the vessel 4 scavenger recovery present in the tank 1 will now be described.

Conformément à la figure 2, lorsque le récipient 4 récupérateur est introduit dans la cuve 1 par l'orifice de vidange 20, la partie infléchie 4A se trouve disposée à la sortie du raccord 2 et le récipient 4 est appliqué contre le fond de la cuve 1 sur la majeure partie de sa longueur. Il se trouve alors dans une position lui permettant de récolter les particules de tartre présentes dans la cuve 1.In accordance with the figure 2 when the recovery container 4 is introduced into the tank 1 through the drain port 20, the inflected portion 4A is disposed at the outlet of the connector 2 and the container 4 is applied against the bottom of the vessel 1 over the major part of its length. It is then in a position to harvest the scale particles present in the tank 1.

Lors du fonctionnement du générateur de vapeur, la mise en marche de la résistance chauffante 10 située sous la cuve 1 provoque l'échauffement jusqu'à l'ébullition de l'eau située à proximité immédiate des branches de la résistance chauffante 10, cette ébullition se matérialisant par la formation de bulles de vapeur s'élevant vers la surface de l'eau en soulevant les particules de tartres qui se retrouvent alors ramenées à la surface de l'eau, ainsi que cela est illustré schématiquement sur la figure 9. Le brassage des particules par l'ébullition génère un flux transportant les particules de tartre vers une zone de calme située au dessus du récipient 4 récupérateur de tartre, où l'eau est plus calme du fait de l'éloignement de cette zone par rapport aux branches de la résistance chauffante 10, de sorte que les particules de tartre peuvent se déposer par gravité dans la cavité du récipient récupérateur 4.During the operation of the steam generator, the start of the heating resistor 10 located under the tank 1 causes the heating up to the boiling of the water located in the immediate vicinity of the branches of the heating resistor 10, this boiling materialized by the formation of vapor bubbles rising towards the surface of the water by lifting the particles of scale which are then brought back to the surface of the water, as is schematically illustrated on the figure 9 . The stirring of the particles by boiling generates a flow transporting the scale particles to a zone of calm situated above the tartar recovery container 4, where the water is quieter because of the distance from this zone with respect to branches of the heating resistor 10, so that the scale particles can be deposited by gravity in the cavity of the recovery container 4.

Les particules de tartre les plus lourdes, moins sensibles aux turbulences, se déposent alors essentiellement dans la partie centrale 4B du récipient au niveau de laquelle l'espace entre les parois latérales 42 est le plus important et la hauteur des parois latérales 42, proche du niveau moyen h dans la cuve, est optimale pour capturer les particules de tartre par convexion lorsque l'eau bout fortement.The heavier scale particles, less sensitive to turbulence, are then deposited essentially in the central part 4B of the container at which the space between the side walls 42 is the largest and the height of the side walls 42, close to the average level h in the tank, is optimal for capture the tartar particles by convection when the water boils heavily.

Les particules de tartre les plus fines, plus sensibles au mouvement d'eau, ont elles tendances à ne pas rester piégées dans la partie centrale 4B, qui présente une ouverture supérieure trop importante pour permettre une bonne rétention de ces particules, mais restent piégées dans la partie intermédiaire 4C pour lequel l'espace entre les parois latérales 42 est réduit.The finest scale particles, which are more sensitive to the movement of water, tend not to remain trapped in the central part 4B, which has an upper opening that is too large to allow good retention of these particles, but remains trapped in the intermediate portion 4C for which the space between the side walls 42 is reduced.

On obtient ainsi un récipient 4 récupérateur de tartre garantissant à la fois une bonne récupération et une bonne rétention des particules de tartre les plus fines et les plus importantes.This provides a vessel 4 tartar recovery ensuring both a good recovery and good retention of tartar particles the finest and most important.

De plus, lorsque l'utilisateur extrait à froid le récipient récupérateur 4 par l'orifice de vidange 20, la partie terminale 4D fermée du récipient permet d'éviter que le tartre accumulé dans la cavité 43 ne s'échappe par l'extrémité du récipient 4.In addition, when the user coldly extracts the recovery container 4 through the drain orifice 20, the closed end portion 4D of the container prevents the tartar accumulated in the cavity 43 from escaping through the end of the container. container 4.

Enfin, un tel récipient récupérateur de tartre présente l'avantage de rester facile à nettoyer, l'extrémité terminale totalement close restant de taille limitée.Finally, such a tartar recovery container has the advantage of remaining easy to clean, the terminal end completely closed remaining limited size.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. 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 not limited to the embodiment described and illustrated which has been given by way of example. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Dans une variante de réalisation non représentée, le récipient récupérateur 4 pourra être associé à un déflecteur, tel que décrit dans la demande de brevet FR 2 904 683 , déviant les bulles créées par l'ébullition de l'eau et les éloignant de la zone surmontant le récipient récupérateur de tartre afin de créer une zone de calme encore plus importante au-dessus du récipient récupérateur favorisant le dépôt de tartre par gravité.In an alternative embodiment not shown, the recovery container 4 may be associated with a deflector, as described in the patent application. FR 2,904,683 , deflecting the bubbles created by the boiling of the water and away from the area above the tartar recovery vessel to create an even greater calm zone above the recovery vessel promoting the deposition of scale by gravity.

Claims (13)

Appareil électroménager comprenant une cuve (1) dans laquelle de l'eau est portée à ébullition et un récipient (4) récupérateur de tartre disposé à proximité du fond de la cuve (1), le récipient (4) présentant une forme allongée pouvant être extraite ou introduit dans la cuve (1) par un orifice (20) ménagé sur une paroi latérale de la cuve (1), ledit récipient étant engagé dans ledit orifice (20) par une extrémité terminale (40) du récipient et comprenant au moins une cavité (43) présentant une ouverture supérieure ménageant un passage (d1, d2) par lequel les particules de tartre sont recueillies dans la cavité (43), caractérisé en ce que ladite ouverture supérieure présente une section de passage se réduisant en s'approchant de l'extrémité terminale (40) du récipient (4).Domestic appliance comprising a vessel (1) in which water is boiled and a tartar-collecting vessel (4) disposed near the bottom of the vessel (1), the vessel (4) having an elongate shape extracted or introduced into the vessel (1) through an orifice (20) formed on a side wall of the vessel (1), said vessel being engaged in said orifice (20) by an end end (40) of the vessel and comprising at least a cavity (43) having an upper opening providing a passage (d 1 , d 2 ) through which the scale particles are collected in the cavity (43), characterized in that said upper opening has a passage section reducing to approaching the end (40) of the container (4). Appareil électroménager selon la revendication 1, caractérisé en ce que ladite cavité (43) présente une partie supérieure fermée par une paroi de rétention (44) au niveau de l'extrémité terminale (40) du récipient.Domestic appliance according to claim 1, characterized in that said cavity (43) has an upper portion closed by a retention wall (44) at the terminal end (40) of the container. Appareil électroménager selon l'une quelconque des revendications 1 à 2, caractérisé en ce que le récipient (4) est, à l'opposé de l'extrémité terminale (40), solidaire d'un bouchon (3) venant fermer l'orifice (20) de la cuve (1).Domestic appliance according to any one of claims 1 to 2, characterized in that the container (4) is, opposite the end end (40), integral with a plug (3) closing the orifice (20) of the tank (1). Appareil électroménager selon l'une quelconque des revendications 1 à 3 caractérisé en ce que ledit orifice (20) est disposé à proximité du fond de la cuve (1) et constitue un orifice de vidange.Domestic appliance according to any one of claims 1 to 3 characterized in that said orifice (20) is disposed near the bottom of the tank (1) and constitutes a drain orifice. Appareil électroménager selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le récipient (4) comporte une partie infléchie (4A) en direction du fond de la cuve (1) à proximité du bouchon (3) de sorte que le récipient (4) repose sur le fond de la cuve (1) sur la majeure partie de sa longueur lorsque le bouchon (3) ferme l'orifice (20).Domestic appliance according to any one of claims 1 to 4, characterized in that the container (4) has an inflected part (4A) towards the bottom of the tank (1) near the plug (3) so that the container (4) rests on the bottom of the tank (1) over most of its length when the plug (3) closes the orifice (20). Appareil électroménager selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ladite cavité (43) comporte une paroi de fond (41) se prolongeant sur les cotés par des parois latérales (42) s'élevant vers le haut en ménageant entre elles un espace (d1, d2) définissant l'ouverture supérieure de passage et en ce que lesdites parois latérales (42) sont, à proximité de l'extrémité terminale (40) du récipient, repliées l'une vers l'autre de manière à ce que l'espace séparant lesdites parois latérales (42) soit réduit.Domestic appliance according to any one of claims 1 to 5, characterized in that said cavity (43) has a bottom wall (41) extending on the sides by side walls (42) rising upwardly between them a space (d 1 , d 2 ) defining the upper opening of passage and in that said side walls (42) are, close to the end end (40) of the container, folded one towards the other so that the space separating said side walls (42) is reduced. Appareil électroménager selon la revendication 6, caractérisé en ce que la paroi de fond (41) est semi-cylindrique.Domestic appliance according to claim 6, characterized in that the bottom wall (41) is semi-cylindrical. Appareil électroménager selon l'une quelconque des revendications 6 à 7, caractérisé en ce que le récipient (4) comporte successivement une partie centrale (4B) largement ouverte dans sa moitié supérieure, une partie intermédiaire (4C) présentant une ouverture plus restreinte dans sa moitié supérieure et une partie terminale (4D) présentant une partie supérieure fermée.Domestic appliance according to any one of claims 6 to 7, characterized in that the container (4) comprises successively a central portion (4B) widely open in its upper half, an intermediate portion (4C) having a narrower opening in its upper half and a terminal part (4D) having a closed upper part. Appareil électroménager selon la revendication 8, caractérisé en ce que le niveau d'eau dans la cuve (1) est régulé autour d'un niveau moyen h et en ce que les parois latérales (42) s'interrompent, au niveau de la partie centrale (4B), à une hauteur adaptée pour venir sous le niveau d'eau moyen h dans la cuve (1), et à moins de 5 mm de ce dernier, lorsque le récipient (4) repose sur le fond de la cuve(1).Domestic appliance according to claim 8, characterized in that the level of water in the tank (1) is regulated around a mean level h and in that the side walls (42) are interrupted at the level of the part central (4B), at a height adapted to come under the average water level h in the tank (1), and less than 5 mm from the latter, when the container (4) rests on the bottom of the tank ( 1). Appareil électroménager selon l'une quelconque des revendications 8 à 9, caractérisé en ce que les parois latérales (42) ménagent entre elles un espace (d1) supérieur à 5 mm au niveau de la partie centrale (4B).Domestic appliance according to any one of claims 8 to 9, characterized in that the side walls (42) form between them a space (d 1 ) greater than 5 mm at the central portion (4B). Appareil électroménager selon l'une quelconque des revendications 8 à 10, caractérisé en ce que les parois latérales (42) sont repliées parallèlement au fond du tube et ménagent entre elles un espace (d2) inférieur à 3 mm au niveau de la partie intermédiaire (4C) du récipient.Domestic appliance according to any one of claims 8 to 10, characterized in that the side walls (42) are folded parallel to the bottom of the tube and provide between them a space (d 2 ) less than 3 mm at the intermediate portion (4C) of the container. Appareil électroménager selon l'une quelconque des revendications 8 à 11, caractérisé en ce que la partie terminale (4D) fermée s'étend sur une longueur supérieure à 10 mm.Domestic appliance according to any one of claims 8 to 11, characterized in that the closed end portion (4D) extends over a length greater than 10 mm. Appareil électroménager selon l'une quelconque des revendications 1 à 12, caractérisé en ce que l'appareil est un appareil de repassage, la cuve (1) pour la production de vapeur étant reliée à un fer à repasser ou à une brosse de défroissage.Domestic appliance according to any one of claims 1 to 12, characterized in that the apparatus is an ironing apparatus, the vessel (1) for the production of steam being connected to an iron or a steam brush.
EP13153738.3A 2012-02-07 2013-02-01 Household appliance comprising a vessel in which water is boiled and a scale-recovery container Active EP2626623B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1251122A FR2986540B1 (en) 2012-02-07 2012-02-07 HOUSEHOLD APPLIANCE COMPRISING A TANK IN WHICH WATER IS BOILED AND A TARTER RECOVERY CONTAINER

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EP2626623A1 true EP2626623A1 (en) 2013-08-14
EP2626623B1 EP2626623B1 (en) 2016-08-24

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Publication number Priority date Publication date Assignee Title
FR3022920B1 (en) * 2014-06-27 2016-07-01 Seb Sa IRONING APPLIANCE COMPRISING A TANK FOR THE GENERATION OF PRESSURIZED STEAM WITH A DRAIN ORIFICE
EP3247938B1 (en) * 2015-01-23 2023-10-11 Koninklijke Philips N.V. Method and device for generating steam comprising a scale container and steamer appliance with such a device
CN108351096B (en) * 2015-11-17 2019-12-24 皇家飞利浦有限公司 Apparatus and method for generating steam comprising a container for collecting scale flakes
TR201701724A2 (en) 2017-02-06 2018-08-27 Arcelik As AN IRON WITH A WATER BOILING BOILER

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FR2904683A1 (en) 2006-08-03 2008-02-08 Seb Sa HOUSEHOLD APPLIANCE COMPRISING A TANK IN WHICH WATER IS BOILED AND MEANS FOR EVACUATING THE TARTER
WO2010139599A2 (en) * 2009-06-03 2010-12-09 BSH Bosch und Siemens Hausgeräte GmbH Electric household appliance and device for removing lime scale from a boiler of such an electric household appliance

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FR2695660B1 (en) * 1992-09-16 1995-11-10 Moulinex Sa DEVICE FOR CONNECTING A DEMINERALIZATION CASSETTE MOUNTED ON A STEAM IRONING DEVICE.
US6163990A (en) * 1997-10-13 2000-12-26 Matsushita Electric Industrial Co., Ltd. Steam iron with scale deposit repression
JP3701202B2 (en) * 1998-09-22 2005-09-28 アクセーア・アクチェンゲゼルシャフト Steam generator with at least partially double-walled evaporation tank

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FR2904683A1 (en) 2006-08-03 2008-02-08 Seb Sa HOUSEHOLD APPLIANCE COMPRISING A TANK IN WHICH WATER IS BOILED AND MEANS FOR EVACUATING THE TARTER
WO2008017758A2 (en) * 2006-08-03 2008-02-14 Seb S.A. Domestic appliance comprising a vat for boiling water and scale removing means
WO2010139599A2 (en) * 2009-06-03 2010-12-09 BSH Bosch und Siemens Hausgeräte GmbH Electric household appliance and device for removing lime scale from a boiler of such an electric household appliance

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CN103243530A (en) 2013-08-14
CN103243530B (en) 2016-07-06
EP2626623B1 (en) 2016-08-24
FR2986540B1 (en) 2014-02-14
FR2986540A1 (en) 2013-08-09
RU2609214C2 (en) 2017-01-31

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