EP2578742B1 - Ironing appliance comprising a steam distribution circuit - Google Patents

Ironing appliance comprising a steam distribution circuit Download PDF

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Publication number
EP2578742B1
EP2578742B1 EP12183394.1A EP12183394A EP2578742B1 EP 2578742 B1 EP2578742 B1 EP 2578742B1 EP 12183394 A EP12183394 A EP 12183394A EP 2578742 B1 EP2578742 B1 EP 2578742B1
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EP
European Patent Office
Prior art keywords
steam
steam distribution
filtering screen
filtering
passage openings
Prior art date
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Application number
EP12183394.1A
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German (de)
French (fr)
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EP2578742A1 (en
Inventor
Dominique Gelus
Jérôme BONIN
Sylvain Maudhuit
Christian Giovalle
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SEB SA
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SEB SA
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Publication of EP2578742A1 publication Critical patent/EP2578742A1/en
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    • 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
    • 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
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • 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
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D06F75/18—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • 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
    • D06F87/00—Apparatus for moistening or otherwise conditioning the article to be ironed or pressed

Definitions

  • the present invention relates to an ironing apparatus comprising a steam distribution circuit supplying steam outlet holes and more particularly relates to an ironing apparatus, in particular an iron, in which the steam distribution circuit comprises at least a filter comprising passage openings calibrated to retain the scale particles.
  • WO 2006/070327 A1 discloses two filters in parallel disposed within a water tank.
  • Such a filtering grid has the advantage of retaining the scale particles inside the vaporization chamber and prevents them from escaping, together with the steam, through the exit holes of the steam of the sole.
  • the following invention aims to overcome these disadvantages by providing an appliance, and in particular an iron, equipped with a filter grid ensuring the retention of the most visible scale particles and is insensitive to scaling.
  • the passage openings of the first filtering grid are between 1 mm and 2 mm side.
  • the passage openings of the second filter grid measure between 0.2 mm and 0.6 mm side.
  • the steam distribution circuit comprises a third filter disposed downstream of the first and second filtering grid, the third filter having passage openings of smaller size than the passage openings of the first filter. and second filters.
  • At least one of the first or second filtering grid is covered with a non-stick coating.
  • the coating is made of fluoropolymer material.
  • the first or the second filtering grid is made of stainless steel or glass fabric coated with PTFE.
  • the ironing apparatus is constituted by an iron comprising a soleplate in thermal contact with a heating element integrating the steam distribution circuit, the steam outlet holes being arranged on the sole.
  • the heating body comprises a foundry having a lower face in thermal contact with the soleplate and comprising a vaporization chamber closed by a closure plate attached to the upper face of the foundry, the chamber of vaporization being connected to the steam distribution circuit by a steam outlet opening in the closure plate, the first filter being disposed at the steam outlet opening.
  • the steam outlet opening opens into a steam distribution channel communicating with a steam distribution channel formed in the foundry, the channel comprising orifices passing through the foundry to result in a steam distribution cavity disposed on the lower face of the foundry and supplying the steam outlet holes of the sole, the second filter being disposed in the steam distribution channel, upstream of the orifices passing through the foundry.
  • the figure 1 illustrates a steam iron 1 having a sole 2 ironing provided with a set of steam outlet holes 20, the ironing sole 2 being surmounted by a plastic housing 3 enclosing a water tank 30 and comprising a handle 31.
  • the sole 2 of the iron is thermally and mechanically bonded to a heating body 4 integrated in the lower part of the housing 3, below the tank 30, the heating body 4 comprising an aluminum foundry 40 comprising a resistive element 5 bent into horseshoe and a boss 49 provided to receive a temperature control thermostat of the sole 2.
  • the heating body 4 also comprises a peripheral wall 41 projecting from the upper face of the foundry 40, which laterally delimits a space comprising a main vaporization chamber 42, a steamer chamber 43 and a steam distribution circuit.
  • the main vaporization chamber 42 is disposed in the center of the upper face of the foundry 40 and the steam distribution circuit includes side channels 44 extending on either side of the main vaporization chamber 42, the lateral channels 44 having orifices 44A through the foundry 40 to open on the underside of the foundry 40, at the steam distribution cavities, not visible in the figures, arranged opposite the steam outlet holes 20 of the sole.
  • the heating body 4 comprises a closing plate 7 which rests on the upper edge of the peripheral wall 41 of the foundry 40 and the main vaporization chamber 42 is delimited laterally by a partition 45 up to the closure plate 7 , being sealed with the latter, so that the vapor produced in the main vaporization chamber 42 can escape only through a steam outlet opening 70 formed in the closure plate 7.
  • the main vaporization chamber 42 is of the instantaneous vaporization type and comprises for this purpose a bottom having a plurality of pyramidal pads for increasing the heat exchange surface, the water of the tank 30 arriving in the main vaporization chamber 42 by an orifice 76 of the plate closure 7 surmounted, in a manner known per se, a drip plug not shown in the figures.
  • the steam outlet opening 70 formed in the closure plate is equipped with a first filtering grid 8 preferably coated with a non-stick coating of PTFE (polytetrafluoroethylene).
  • the first filtering grid 8 advantageously has square openings 1 mm in length and comprises a core made of a material having a low thermal effusivity, preferably less than or equal to 14000 J / (m 2 ⁇ ° Cs 1/2 ).
  • the first filtering grid will be made of 0.4 mm diameter stainless steel wire or from a glass fabric having a braided wire 1 mm in diameter.
  • the steam outlet opening 70 opens into a distribution channel 71 of the vapor extending transversely to the heating body 4, on the upper surface of the closure plate 7, the distribution channel 71 of the steam being laterally delimited. by a rib 72 projecting on the closure plate 7 which is sealingly connected to a cover 73 which closes the upper end of the distribution channel 71 of the steam.
  • the closure plate 7 also comprises two lateral openings 74 placing the two ends of the distribution channel 71 in communication with an intermediate chamber 46 formed on the upper face of the foundry 40, on each side of the main vaporization chamber 42, the chamber intermediate 46 extending between the main vaporization chamber 42 and the side channel 44 of the steam distribution circuit.
  • the intermediate chamber 46 extends above the resistive element 5 and is delimited on one side by the partition 45 surrounding the vaporization chamber 42 and on the other side by a partition 47 bordering the lateral channels 44 , the partition wall 47 locally having a notch 47A at its end upper allowing the passage of steam from the intermediate chamber 46 to the lateral channel 44 of steam distribution.
  • each side channel 44 of steam distribution is provided with a second filtering grid 9 having openings of smaller sizes than the size of the openings of the first filtering grid 8 in order to retain the small diameter particles of scale having managed to pass through the first filtering grid 8.
  • This second filtration grid 9 rests on the bottom of the lateral channel 44 and forms a filtering barrier extending over the orifices 44A through the foundry 40 to feed the steam outlet holes 20 of the sole.
  • the second filtering grid 9 has square openings measuring on the order of 0.4 mm per side, and is advantageously made of 0.4 mm diameter stainless steel wire covered with a non-stick coating.
  • PTFE PTFE
  • the steamer chamber 43 is placed just in front of the main vaporization chamber 42, so as to extend above the resistive element 5 in the shape of a horseshoe, and is closed at its upper end by a lid 43A comprising a water injection port 43B connected, in a manner known per se, to a manual piston pump not shown in the figures.
  • the steam produced by the vaporizer chamber 43 is diffused in a cavity 48 formed in front of the foundry 40 by conduits bordering the steam chamber, the cavity 48 comprising orifices 48A passing through the foundry 40 to feed a limited number of steam outlet holes 20 disposed at the front tip of the sole 2 and being separated from the side channels 44 of the steam distribution circuit by partitions 75, shown in dashed lines on the figure 3 , protruding under the closure plate 7.
  • the steamer chamber 43 is also equipped with a filtering grid 10 intended to retain the scale particles transported by the steam, this filtering grid 10 being preferentially constituted by a stainless steel sheet coated with a non-stick PTFE coating and having circular openings having a diameter of about 0.6 mm in diameter.
  • the figure 6 illustrates the flow of steam produced by the main vaporization chamber 42 in the iron thus produced.
  • the vapor produced by the main vaporization chamber 42 escapes vertically through the steam outlet opening 70 equipped with the first filtration grid 8 so that the scale particles larger than 1 mm of diameter carried by the steam are stopped by the first filtering grid 8 and fall, by gravity, into the main vaporization chamber 42.
  • the filtered vapor that has passed through the first filtration grid 8 then flows horizontally into the steam distribution channel 71, then vertically through the lateral openings 74 to reach the intermediate chamber 46 of the foundry 40 in which the possible drops of The vapor-transported water is vaporized, the superheated vapor escaping thereafter through the indentations 47A of the partition walls 47 to lateral channels 44 of the steam distribution circuit.
  • the vapor present in the lateral channels 44 then flows through the second filtering grid 9 and then vertically into the orifices 44A passing through the foundry 40 before being diffused through the steam outlet holes 20 of the soleplate.
  • any scale particles transported by the steam having a diameter of greater than 0.4 mm are stopped upstream of the second filtration grid 9 so that these particles of scale, having a diameter included between 0.4 and 1 mm, are stored in the part of the vapor circuit extending between the first filtration grid 8 and the second filtration grid 9.
  • such an iron has the advantage of ensuring the retention, inside the iron, scale particles having a diameter greater than 0.4 mm so that the particles out through the exit holes of vapor 20 are substantially invisible to the user.
  • the use of two successive filtration grids on the path of the steam, with smaller openings on the second filter grid traversed by the steam makes it possible to prevent the second filtering grid from being too much quickly clogged with large particles of tartar.
  • the largest scale particles are maintained in the main vaporization chamber by the first filtering grid and only a smaller amount of smaller scale particles can reach the second filtration grid.
  • the filtration device thus produced has the advantage of having filtration grids coated with a non-stick coating to prevent scale from adhering to the filtering grid and clogging the filter grid after a few months of use.
  • the low effusivity of the material used for the filtration grid has the advantage of avoiding significant evaporation of the drops of water coming into contact with the superheated filtration grid, which makes it possible to limit the formation of scale on the grid filtration.
  • This filtration device therefore solves the problem of rejects of scale particles that stain the laundry during ironing and which is perceived very unfavorably by the user.
  • Such an apparatus also has the advantage of ensuring the retention of the largest scale particles during the use of the steam chamber, the filter grid associated with this chamber making it possible to prevent scale particles having a diameter. greater than 0.6 mm are ejected through the steam outlet holes in the soleplate.
  • the second filtration grid 9 can be fixed on the closure plate 7 and be positioned in the upper part of the side channels 44 of the steam distribution circuit.
  • Such an embodiment has the advantage of facilitating the assembly of the heating body, the first and second filtering grids 8, 9 being positionable on the closure plate 7 in a step prior to the assembly of the closure plate on the foundry.
  • the first filtering grid may be fixed on the closure plate at each of the lateral openings of the steam distribution channel, such an embodiment having the advantage of moving the first filtration grid of the main vaporization chamber so that the probability that a droplet of unvaporized water reaches the first filtration grid is reduced.
  • the size of the openings of the first and second filtration grids may be modified.
  • the size of the openings of the first filtering grid will preferably be between 1 mm and 2 mm side while the size of the openings of the second filtering grid will preferably be between 0.2 mm and 0.6 mm side .
  • the apparatus may comprise a third filtering grid disposed on the steam distribution circuit, downstream of the first and second filtering grids, this third filtering grid having smaller openings. larger than those of the openings of the first and second filtration grids.
  • the openings of the third filter grid will measure between 0.1 mm and 0.3 mm side, so that the particles that can pass through the third grid are invisible to the naked eye.

Description

La présente invention concerne un appareil de repassage comportant un circuit de distribution de vapeur alimentant des trous de sortie de vapeur et se rapporte plus particulièrement à un appareil de repassage, notamment un fer à repasser, dans lequel le circuit de distribution de vapeur comporte au moins un filtre comprenant des ouvertures de passage calibrées pour retenir les particules de tartre.The present invention relates to an ironing apparatus comprising a steam distribution circuit supplying steam outlet holes and more particularly relates to an ironing apparatus, in particular an iron, in which the steam distribution circuit comprises at least a filter comprising passage openings calibrated to retain the scale particles.

WO 2006/070327 A1 divulgue deux filtres en parallèle disposés à l'intérieur d'un réservoir d'eau. WO 2006/070327 A1 discloses two filters in parallel disposed within a water tank.

Il est connu, des documents EP 1 146 164 et EP 1 561 855 , un fer à repasser comprenant une semelle en contact thermique avec un corps chauffant équipé d'une chambre de vaporisation pour la production de vapeur, la vapeur produite par la chambre de vaporisation traversant une grille de filtration disposée à la sortie de la chambre de vaporisation avant d'être transportée vers des trous de sortie de vapeur de la semelle.It is known, documents EP 1 146 164 and EP 1,561,855 , an iron comprising a soleplate in thermal contact with a heating body equipped with a vaporization chamber for the production of steam, the vapor produced by the vaporization chamber passing through a filtration grid disposed at the outlet of the vaporization chamber before being transported to the steam outlet holes of the soleplate.

Une telle grille de filtration présente l'avantage de retenir les particules de tartre à l'intérieur de la chambre de vaporisation et permet d'éviter que ces dernières ne s'échappent, en même temps que la vapeur, par les trous de sortie de vapeur de la semelle.Such a filtering grid has the advantage of retaining the scale particles inside the vaporization chamber and prevents them from escaping, together with the steam, through the exit holes of the steam of the sole.

Cependant, une telle grille de filtration présente l'inconvénient d'être sujette à l'entartrage. En effet, les gouttelettes d'eau transportées par la vapeur s'évaporent au contact de la grille de filtration, cette dernière se trouvant à une température élevée du fait de son contact thermique avec le corps chauffant, de sorte qu'une pellicule de tartre se forme progressivement sur la grille de filtration, ce qui provoque l'obstruction de la grille de filtration et donc une diminution importante du débit de vapeur au travers des trous de sortie de la semelle.However, such a filter grid has the disadvantage of being prone to scaling. In fact, the water droplets transported by the vapor evaporate in contact with the filtering grid, the latter being at an elevated temperature because of its thermal contact with the heating body, so that a film of scale is gradually formed on the filtration grid, which causes the clogging of the filtration grid and therefore a significant decrease in the flow of steam through the outlet holes of the sole.

L'invention qui suit vise à pallier ces inconvénients en proposant un appareil électroménager, et notamment un fer à repasser, équipé d'une grille de filtration assurant la rétention des particules de tartre les plus visibles et qui soit peu sensible à l'entartrage.The following invention aims to overcome these disadvantages by providing an appliance, and in particular an iron, equipped with a filter grid ensuring the retention of the most visible scale particles and is insensitive to scaling.

Le but de l'invention est atteint par un appareil de repassage ayant les caracteristiques de la revendication 1.The object of the invention is achieved by an ironing apparatus having the features of claim 1.

Selon une autre caractéristique de l'invention, les ouvertures de passage de la première grille de filtration mesurent entre 1 mm et 2 mm de côté.According to another characteristic of the invention, the passage openings of the first filtering grid are between 1 mm and 2 mm side.

Selon une autre caractéristique de l'invention, les ouvertures de passage de la deuxième grille de filtration mesurent entre 0.2 mm et 0.6 mm de côté.According to another characteristic of the invention, the passage openings of the second filter grid measure between 0.2 mm and 0.6 mm side.

Selon une autre caractéristique de l'invention, le circuit de distribution de la vapeur comporte un troisième filtre disposé en aval des première et deuxième grille de filtration, le troisième filtre comportant des ouvertures de passage de plus petite taille que les ouvertures de passage des premier et deuxième filtres.According to another characteristic of the invention, the steam distribution circuit comprises a third filter disposed downstream of the first and second filtering grid, the third filter having passage openings of smaller size than the passage openings of the first filter. and second filters.

Selon une autre caractéristique de l'invention, au moins l'un des première ou deuxième grille de filtration est recouverte d'un revêtement anti-adhérent.According to another characteristic of the invention, at least one of the first or second filtering grid is covered with a non-stick coating.

Selon encore une autre caractéristique de l'invention, le revêtement est en matériau fluoropolymère.According to yet another characteristic of the invention, the coating is made of fluoropolymer material.

Selon une autre caractéristique de l'invention, la première ou la deuxième grille de filtration est réalisée en acier inox ou en tissu de verre revêtue de PTFE.According to another characteristic of the invention, the first or the second filtering grid is made of stainless steel or glass fabric coated with PTFE.

Selon encore une autre caractéristique de l'invention, l'appareil de repassage est constitué par un fer à repasser comprenant une semelle en contact thermique avec un corps chauffant intégrant le circuit de distribution de vapeur, les trous de sortie de vapeur étant disposés sur la semelle.According to yet another characteristic of the invention, the ironing apparatus is constituted by an iron comprising a soleplate in thermal contact with a heating element integrating the steam distribution circuit, the steam outlet holes being arranged on the sole.

Selon encore une autre caractéristique de l'invention, le corps chauffant comprend une fonderie comportant une face inférieure en contact thermique avec la semelle et comprenant une chambre de vaporisation fermée par une plaque de fermeture rapportée sur la face supérieure de la fonderie, la chambre de vaporisation étant reliée au circuit de distribution de vapeur par une ouverture de sortie de vapeur ménagée dans la plaque de fermeture, le premier filtre étant disposé au niveau de l'ouverture de sortie de vapeur.According to yet another characteristic of the invention, the heating body comprises a foundry having a lower face in thermal contact with the soleplate and comprising a vaporization chamber closed by a closure plate attached to the upper face of the foundry, the chamber of vaporization being connected to the steam distribution circuit by a steam outlet opening in the closure plate, the first filter being disposed at the steam outlet opening.

Selon encore une autre caractéristique de l'invention, l'ouverture de sortie de vapeur débouche dans un canal de répartition de la vapeur communiquant avec un canal de distribution de vapeur ménagé dans la fonderie, le canal comprenant des orifices traversant la fonderie pour déboucher sur une cavité de distribution de vapeur disposée sur la face inférieure de la fonderie et alimentant les trous de sortie de vapeur de la semelle, le deuxième filtre étant disposé dans le canal de distribution de vapeur, en amont des orifices traversant la fonderie.According to yet another characteristic of the invention, the steam outlet opening opens into a steam distribution channel communicating with a steam distribution channel formed in the foundry, the channel comprising orifices passing through the foundry to result in a steam distribution cavity disposed on the lower face of the foundry and supplying the steam outlet holes of the sole, the second filter being disposed in the steam distribution channel, upstream of the orifices passing through the foundry.

On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après de 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 fer à repasser selon un mode particulier de réalisation de l'invention ;
  • la figure 2 est une vue en perspective d'une partie du corps chauffant du fer à repasser de la figure 1 ;
  • la figure 3 est une vue éclatée, en perspective, du corps chauffant du fer à repasser de la figure 1 ;
  • la figure 4 est une autre vue en perspective du corps chauffant du fer à repasser de la figure 1, avec la plaque de fermeture assemblée sur la fonderie ;
  • la figure 5 est une vue en perspective partiellement coupée, du corps chauffant du fer de la figure 1 ;
  • la figure 6 est une vue en perspective, coupée, du corps chauffant du fer de la figure 1 ;
  • la figure 7 est une vue similaire à la figure 6 illustrant une variante de réalisation de l'invention.
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 appended drawings in which :
  • the figure 1 is a perspective view of an iron according to a particular embodiment of the invention;
  • the figure 2 is a perspective view of a part of the heating body of the iron of the figure 1 ;
  • the figure 3 is an exploded view, in perspective, of the heating body of the iron of the figure 1 ;
  • the figure 4 is another perspective view of the heating body of the iron from the figure 1 , with the closure plate assembled on the foundry;
  • the figure 5 is a partially cut perspective view of the iron heating body of the figure 1 ;
  • the figure 6 is a perspective view, cut, of the heating body of the iron of the figure 1 ;
  • the figure 7 is a view similar to the figure 6 illustrating an alternative embodiment of the invention.

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

La figure 1 illustre un fer à repasser à vapeur 1 comportant une semelle 2 de repassage munie d'un ensemble de trous de sortie de vapeur 20, la semelle de repassage 2 étant surmontée d'un boitier 3 en matière plastique renfermant un réservoir d'eau 30 et comprenant une poignée de préhension 31.The figure 1 illustrates a steam iron 1 having a sole 2 ironing provided with a set of steam outlet holes 20, the ironing sole 2 being surmounted by a plastic housing 3 enclosing a water tank 30 and comprising a handle 31.

Conformément à la figure 2, la semelle 2 du fer à repasser est liée thermiquement et mécaniquement à un corps chauffant 4 intégré dans la partie basse du boitier 3, en dessous du réservoir 30, le corps chauffant 4 comportant une fonderie 40 en aluminium comprenant un élément résistif 5 cintré en fer à cheval et un bossage 49 prévu pour recevoir un thermostat de régulation de la température de la semelle 2.In accordance with the figure 2 , the sole 2 of the iron is thermally and mechanically bonded to a heating body 4 integrated in the lower part of the housing 3, below the tank 30, the heating body 4 comprising an aluminum foundry 40 comprising a resistive element 5 bent into horseshoe and a boss 49 provided to receive a temperature control thermostat of the sole 2.

Le corps chauffant 4 comporte également une paroi périphérique 41, faisant saillie sur la face supérieure de la fonderie 40, qui délimite latéralement un espace comprenant une chambre de vaporisation principale 42, une chambre de survapeur 43 et un circuit de distribution de vapeur. La chambre de vaporisation principale 42 est disposée au centre de la face supérieure de la fonderie 40 et le circuit de distribution de vapeur comprend des canaux latéraux 44 s'étendant de part et d'autre de la chambre de vaporisation principale 42, les canaux latéraux 44 comportant des orifices 44A traversant la fonderie 40 pour déboucher sur la face inférieure de la fonderie 40, au niveau de cavités de distribution de vapeur, non visibles sur les figures, disposées en regard des trous de sortie de vapeur 20 de la semelle.The heating body 4 also comprises a peripheral wall 41 projecting from the upper face of the foundry 40, which laterally delimits a space comprising a main vaporization chamber 42, a steamer chamber 43 and a steam distribution circuit. The main vaporization chamber 42 is disposed in the center of the upper face of the foundry 40 and the steam distribution circuit includes side channels 44 extending on either side of the main vaporization chamber 42, the lateral channels 44 having orifices 44A through the foundry 40 to open on the underside of the foundry 40, at the steam distribution cavities, not visible in the figures, arranged opposite the steam outlet holes 20 of the sole.

Conformément à la figure 3, le corps chauffant 4 comporte une plaque de fermeture 7 qui vient reposer sur le bord supérieur de la paroi périphérique 41 de la fonderie 40 et la chambre de vaporisation principale 42 est délimitée latéralement par une cloison 45 remontant jusqu'à la plaque de fermeture 7, en étant liée de manière étanche avec cette dernière, de sorte que la vapeur produite dans la chambre de vaporisation principale 42 ne peut s'échapper que par une ouverture de sortie de vapeur 70 ménagée dans la plaque de fermeture 7.In accordance with the figure 3 , the heating body 4 comprises a closing plate 7 which rests on the upper edge of the peripheral wall 41 of the foundry 40 and the main vaporization chamber 42 is delimited laterally by a partition 45 up to the closure plate 7 , being sealed with the latter, so that the vapor produced in the main vaporization chamber 42 can escape only through a steam outlet opening 70 formed in the closure plate 7.

La chambre de vaporisation principale 42 est de type à vaporisation instantanée et comporte à cet effet un fond présentant une multitude de plots pyramidaux permettant d'augmenter la surface d'échange thermique, l'eau du réservoir 30 arrivant au goutte à goutte dans la chambre de vaporisation principale 42 par un orifice 76 de la plaque de fermeture 7 surmonté, de manière connue en soi, d'un boisseau goutte-à-goutte non représenté sur les figures.The main vaporization chamber 42 is of the instantaneous vaporization type and comprises for this purpose a bottom having a plurality of pyramidal pads for increasing the heat exchange surface, the water of the tank 30 arriving in the main vaporization chamber 42 by an orifice 76 of the plate closure 7 surmounted, in a manner known per se, a drip plug not shown in the figures.

L'ouverture de sortie de vapeur 70 ménagée dans la plaque de fermeture est équipée d'une première grille de filtration 8 préférentiellement recouverte d'un revêtement anti-adhérent en PTFE (polytétrafluoroéthylène). La première grille de filtration 8 présente avantageusement des ouvertures carrées de 1 mm de côté et comporte une âme réalisée dans un matériau présentant une faible effusivité thermique, de préférence inférieure ou égale à 14000 J/(m2.°C.s1/2). A titre d'exemple, la première grille de filtration sera réalisée en fil d'inox de 0,4 mm de diamètre ou à partir d'un tissu de verre comportant un fil tressé de 1 mm de diamètre.The steam outlet opening 70 formed in the closure plate is equipped with a first filtering grid 8 preferably coated with a non-stick coating of PTFE (polytetrafluoroethylene). The first filtering grid 8 advantageously has square openings 1 mm in length and comprises a core made of a material having a low thermal effusivity, preferably less than or equal to 14000 J / (m 2 · ° Cs 1/2 ). For example, the first filtering grid will be made of 0.4 mm diameter stainless steel wire or from a glass fabric having a braided wire 1 mm in diameter.

Conformément aux figures 4 et 5, l'ouverture de sortie de vapeur 70 débouche dans un canal de répartition 71 de la vapeur s'étendant transversalement au corps chauffant 4, sur la surface supérieure de la plaque de fermeture 7, le canal de répartition 71 de la vapeur étant délimité latéralement par une nervure 72 faisant saillie sur la plaque de fermeture 7 qui est liée de manière étanche à un capot 73 venant fermer l'extrémité supérieure du canal de répartition 71 de la vapeur.In accordance with Figures 4 and 5 , the steam outlet opening 70 opens into a distribution channel 71 of the vapor extending transversely to the heating body 4, on the upper surface of the closure plate 7, the distribution channel 71 of the steam being laterally delimited. by a rib 72 projecting on the closure plate 7 which is sealingly connected to a cover 73 which closes the upper end of the distribution channel 71 of the steam.

La plaque de fermeture 7 comporte également deux ouvertures latérales 74 mettant en communication les deux extrémités du canal de répartition 71 avec une chambre intermédiaire 46 ménagée sur la face supérieure de la fonderie 40, de chaque côté de la chambre de vaporisation principale 42, la chambre intermédiaire 46 s'étendant entre la chambre de vaporisation principale 42 et le canal latéral 44 du circuit de distribution de vapeur.The closure plate 7 also comprises two lateral openings 74 placing the two ends of the distribution channel 71 in communication with an intermediate chamber 46 formed on the upper face of the foundry 40, on each side of the main vaporization chamber 42, the chamber intermediate 46 extending between the main vaporization chamber 42 and the side channel 44 of the steam distribution circuit.

Comme on peut le voir sur les figures 3 et 5, la chambre intermédiaire 46 s'étend au dessus de l'élément résistif 5 et est délimitée d'un côté par la cloison 45 entourant la chambre de vaporisation 42 et de l'autre côté par une cloison de séparation 47 bordant les canaux latéraux 44, la cloison de séparation 47 présentant localement une échancrure 47A à son extrémité supérieure permettant le passage de la vapeur de la chambre intermédiaire 46 vers le canal latéral 44 de distribution de vapeur.As can be seen on the figures 3 and 5 the intermediate chamber 46 extends above the resistive element 5 and is delimited on one side by the partition 45 surrounding the vaporization chamber 42 and on the other side by a partition 47 bordering the lateral channels 44 , the partition wall 47 locally having a notch 47A at its end upper allowing the passage of steam from the intermediate chamber 46 to the lateral channel 44 of steam distribution.

Selon un mode particulier de réalisation de l'invention, chaque canal latéral 44 de distribution de vapeur est muni d'une deuxième grille de filtration 9 présentant des ouvertures de plus petites tailles que la taille des ouvertures de la première grille de filtration 8 afin de retenir les particules de tartre de plus petit diamètre ayant réussi à traverser la première grille de filtration 8. Cette deuxième grille de filtration 9 repose sur le fond du canal latéral 44 et forme une barrière filtrante s'étendant au-dessus des orifices 44A traversant la fonderie 40 pour alimenter les trous de sortie de vapeur 20 de la semelle.According to a particular embodiment of the invention, each side channel 44 of steam distribution is provided with a second filtering grid 9 having openings of smaller sizes than the size of the openings of the first filtering grid 8 in order to retain the small diameter particles of scale having managed to pass through the first filtering grid 8. This second filtration grid 9 rests on the bottom of the lateral channel 44 and forms a filtering barrier extending over the orifices 44A through the foundry 40 to feed the steam outlet holes 20 of the sole.

A titre d'exemple, la deuxième grille de filtration 9 comporte des ouvertures carrées mesurant de l'ordre de 0.4 mm de côté, et est avantageusement réalisée en fil d'inox de 0.4 mm de diamètre recouvert d'un revêtement anti-adhérent en PTFE, la grille de filtration ainsi réalisée présentant l'avantage de présenter une bonne rigidité qui facilite son montage.By way of example, the second filtering grid 9 has square openings measuring on the order of 0.4 mm per side, and is advantageously made of 0.4 mm diameter stainless steel wire covered with a non-stick coating. PTFE, the filtration grid thus produced having the advantage of having a good rigidity which facilitates its assembly.

Conformément aux figures 2 et 3, la chambre de survapeur 43 est placée juste devant la chambre de vaporisation principale 42, de manière à s'étendre au dessus de l'élément résistif 5 en forme de fer à cheval, et est fermée à son extrémité supérieure par un couvercle 43A comprenant un orifice d'injection d'eau 43B relié, de manière connue en soi, à une pompe manuelle à piston non représentée sur les figures.In accordance with figures 2 and 3 , the steamer chamber 43 is placed just in front of the main vaporization chamber 42, so as to extend above the resistive element 5 in the shape of a horseshoe, and is closed at its upper end by a lid 43A comprising a water injection port 43B connected, in a manner known per se, to a manual piston pump not shown in the figures.

La vapeur produite par la chambre de survapeur 43 est diffusée dans une cavité 48 ménagée à l'avant de la fonderie 40 par des conduits bordant la chambre de survapeur, la cavité 48 comprenant des orifices 48A traversant la fonderie 40 pour alimenter un nombre restreint de trous de sortie de vapeur 20 disposés au niveau de la pointe avant de la semelle 2 et étant séparée des canaux latéraux 44 du circuit de distribution de vapeur par des cloisons 75, représentées en pointillés sur la figure 3, faisant saillie sous la plaque de fermeture 7.The steam produced by the vaporizer chamber 43 is diffused in a cavity 48 formed in front of the foundry 40 by conduits bordering the steam chamber, the cavity 48 comprising orifices 48A passing through the foundry 40 to feed a limited number of steam outlet holes 20 disposed at the front tip of the sole 2 and being separated from the side channels 44 of the steam distribution circuit by partitions 75, shown in dashed lines on the figure 3 , protruding under the closure plate 7.

De manière avantageuse, la chambre de survapeur 43 est également équipée d'une grille de filtration 10 destinée à retenir les particules de tartre transportée par la vapeur, cette grille de filtration 10 étant préférentiellement constituée par une tôle d'inox recouverte d'un revêtement anti-adhérent en PTFE et comportant des ouvertures circulaires présentant un diamètre de l'ordre de 0.6 mm de diamètre.Advantageously, the steamer chamber 43 is also equipped with a filtering grid 10 intended to retain the scale particles transported by the steam, this filtering grid 10 being preferentially constituted by a stainless steel sheet coated with a non-stick PTFE coating and having circular openings having a diameter of about 0.6 mm in diameter.

La figure 6 illustre le cheminement de la vapeur produite par la chambre de vaporisation principale 42 dans le fer à repasser ainsi réalisé. Conformément à cette figure, la vapeur produite par la chambre de vaporisation principale 42 s'échappe verticalement au travers de l'ouverture de sortie de vapeur 70 équipée de la première grille de filtration 8 de sorte que les particules de tartre de plus de 1 mm de diamètre transportées par la vapeur sont stoppées par la première grille de filtration 8 et retombent, par gravité, dans la chambre de vaporisation principale 42.The figure 6 illustrates the flow of steam produced by the main vaporization chamber 42 in the iron thus produced. According to this figure, the vapor produced by the main vaporization chamber 42 escapes vertically through the steam outlet opening 70 equipped with the first filtration grid 8 so that the scale particles larger than 1 mm of diameter carried by the steam are stopped by the first filtering grid 8 and fall, by gravity, into the main vaporization chamber 42.

La vapeur filtrée ayant traversé la première grille de filtration 8 s'écoule alors horizontalement dans le canal de répartition 71 de vapeur, puis verticalement au travers des ouvertures latérales 74 pour parvenir dans la chambre intermédiaire 46 de la fonderie 40 dans laquelle les éventuelles gouttes d'eau transportées par la vapeur se trouvent vaporisées, la vapeur surchauffée s'échappant ensuite par les échancrures 47A des cloisons de séparation 47 en direction de canaux latéraux 44 du circuit de distribution de la vapeur. La vapeur présente dans les canaux latéraux 44 s'écoule alors au travers de la deuxième grille de filtration 9 puis verticalement dans les orifices 44A traversant de la fonderie 40 avant d'être diffusée par les trous de sortie de vapeur 20 de la semelle.The filtered vapor that has passed through the first filtration grid 8 then flows horizontally into the steam distribution channel 71, then vertically through the lateral openings 74 to reach the intermediate chamber 46 of the foundry 40 in which the possible drops of The vapor-transported water is vaporized, the superheated vapor escaping thereafter through the indentations 47A of the partition walls 47 to lateral channels 44 of the steam distribution circuit. The vapor present in the lateral channels 44 then flows through the second filtering grid 9 and then vertically into the orifices 44A passing through the foundry 40 before being diffused through the steam outlet holes 20 of the soleplate.

Lorsque la vapeur traverse la deuxième grille de filtration 9, les éventuelles particules de tartre transportées par la vapeur présentant un diamètre supérieur à 0.4 mm sont stoppées en amont de la deuxième grille de filtration 9 de sorte que ces particules de tartres, présentant un diamètre compris entre 0.4 et 1 mm, se trouvent stockées dans la partie du circuit de vapeur s'étendant entre la première grille de filtration 8 et la seconde grille de filtration 9.When the vapor passes through the second filtration grid 9, any scale particles transported by the steam having a diameter of greater than 0.4 mm are stopped upstream of the second filtration grid 9 so that these particles of scale, having a diameter included between 0.4 and 1 mm, are stored in the part of the vapor circuit extending between the first filtration grid 8 and the second filtration grid 9.

En conséquence, un tel fer à repasser présente l'avantage d'assurer la rétention, à l'intérieur du fer à repasser, des particules de tartre présentant un diamètre supérieur à 0.4 mm de sorte que les particules sortantes par les trous de sortie de vapeur 20 sont sensiblement invisibles par l'utilisateur.Consequently, such an iron has the advantage of ensuring the retention, inside the iron, scale particles having a diameter greater than 0.4 mm so that the particles out through the exit holes of vapor 20 are substantially invisible to the user.

En particulier, l'usage de deux grilles de filtration successives sur le cheminement de la vapeur, avec des ouvertures de plus petite taille sur la deuxième grille de filtration traversée par la vapeur, permet d'éviter que la deuxième grille de filtration ne soit trop rapidement bouchée par de grosses particules de tartre. En effet, grâce à ce dispositif de filtration, les plus grosses particules de tartre sont maintenues dans la chambre de vaporisation principale par la première grille de filtration et seule une plus faible quantité de particules de tartre de plus petite taille peut parvenir jusqu'à la deuxième grille de filtration.In particular, the use of two successive filtration grids on the path of the steam, with smaller openings on the second filter grid traversed by the steam, makes it possible to prevent the second filtering grid from being too much quickly clogged with large particles of tartar. Indeed, thanks to this filtration device, the largest scale particles are maintained in the main vaporization chamber by the first filtering grid and only a smaller amount of smaller scale particles can reach the second filtration grid.

De plus, le dispositif de filtration ainsi réalisé présente l'avantage de posséder des grilles de filtration revêtues d'un revêtement anti-adhérent permettant d'éviter que le tartre n'adhère à la grille de filtration et ne bouche la grille de filtration après quelques mois d'utilisation. Enfin, la faible effusivité du matériau utilisé pour la grille de filtration présente l'avantage d'éviter une évaporation importante des gouttes d'eau parvenant au contact de la grille de filtration surchauffée, ce qui permet de limiter la formation de tartre sur la grille de filtration.In addition, the filtration device thus produced has the advantage of having filtration grids coated with a non-stick coating to prevent scale from adhering to the filtering grid and clogging the filter grid after a few months of use. Finally, the low effusivity of the material used for the filtration grid has the advantage of avoiding significant evaporation of the drops of water coming into contact with the superheated filtration grid, which makes it possible to limit the formation of scale on the grid filtration.

Ainsi, un tel fer à repasser ne risque pas de se trouver rapidement inutilisable du fait du colmatage de la grille de filtration par le tartre, mais peut être utilisé plusieurs années.Thus, such an iron is not likely to be quickly unusable due to the clogging of the filter grid by scale, but can be used for several years.

On résout donc, par ce dispositif de filtration, le problème de rejets de particules de tartres qui tachent le linge lors du repassage et qui est perçu très défavorablement par l'utilisateur.This filtration device therefore solves the problem of rejects of scale particles that stain the laundry during ironing and which is perceived very unfavorably by the user.

Un tel appareil présente également l'avantage d'assurer la rétention des plus grosses particules de tartre lors de l'utilisation de la chambre de survapeur, la grille de filtration associée à cette chambre permettant d'éviter que des particules de tartre présentant un diamètre supérieur à 0.6 mm ne soient éjectées au travers des trous de sortie de vapeur de la semelle.Such an apparatus also has the advantage of ensuring the retention of the largest scale particles during the use of the steam chamber, the filter grid associated with this chamber making it possible to prevent scale particles having a diameter. greater than 0.6 mm are ejected through the steam outlet holes in the soleplate.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation précédemment 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 previously 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.

Ainsi, dans une variante de réalisation illustrée sur la figure 7, la deuxième grille de filtration 9 pourra être fixée sur la plaque de fermeture 7 et venir se positionner dans la partie supérieure des canaux latéraux 44 du circuit de distribution de la vapeur. Une telle variante de réalisation présente l'avantage de faciliter l'assemblage du corps chauffant, les première et deuxième grilles de filtration 8, 9 pouvant être positionnées sur la plaque de fermeture 7 dans une étape préalable à l'assemblage de la plaque de fermeture sur la fonderie.Thus, in an embodiment variant illustrated on the figure 7 the second filtration grid 9 can be fixed on the closure plate 7 and be positioned in the upper part of the side channels 44 of the steam distribution circuit. Such an embodiment has the advantage of facilitating the assembly of the heating body, the first and second filtering grids 8, 9 being positionable on the closure plate 7 in a step prior to the assembly of the closure plate on the foundry.

Dans une autre variante de réalisation non représentée, la première grille de filtration pourra être fixée sur la plaque de fermeture au niveau de chacune des ouvertures latérales du canal de répartition de la vapeur, une telle variante de réalisation présentant l'avantage d'éloigner la première grille de filtration de la chambre de vaporisation principale de sorte que la probabilité qu'une gouttelette d'eau non vaporisée parvienne sur la première grille de filtration est réduite.In another variant embodiment not shown, the first filtering grid may be fixed on the closure plate at each of the lateral openings of the steam distribution channel, such an embodiment having the advantage of moving the first filtration grid of the main vaporization chamber so that the probability that a droplet of unvaporized water reaches the first filtration grid is reduced.

Dans une autre variante de réalisation de l'invention, la taille des ouvertures des première et deuxième grilles de filtration pourra être modifiée. A titre d'exemple, la taille des ouvertures de la première grille de filtration sera préférentiellement comprise entre 1 mm et 2 mm de côté tandis que la taille des ouvertures de la deuxième grille de filtration sera préférentiellement comprise entre 0.2 mm et 0.6 mm de côté.In another embodiment of the invention, the size of the openings of the first and second filtration grids may be modified. For example, the size of the openings of the first filtering grid will preferably be between 1 mm and 2 mm side while the size of the openings of the second filtering grid will preferably be between 0.2 mm and 0.6 mm side .

Dans une autre variante de réalisation non représentée, l'appareil pourra comporter une troisième grille de filtration disposée sur le circuit de distribution de la vapeur, en aval des première et deuxième grilles de filtration, cette troisième grille de filtration comportant des ouvertures de plus petite taille que celles des ouvertures des première et deuxième grilles de filtration. A titre d'exemple, les ouvertures de la troisième grille de filtration mesureront entre 0.1 mm et 0.3 mm de côté, de manière à ce que les particules pouvant passer au travers de cette troisième grille soient invisibles à l'oeil nu.In another variant embodiment not shown, the apparatus may comprise a third filtering grid disposed on the steam distribution circuit, downstream of the first and second filtering grids, this third filtering grid having smaller openings. larger than those of the openings of the first and second filtration grids. For example, the openings of the third filter grid will measure between 0.1 mm and 0.3 mm side, so that the particles that can pass through the third grid are invisible to the naked eye.

Claims (10)

  1. Ironing appliance (1) having a steam distribution circuit supplying steam outlet holes (20) and comprising a first filtering screen (8) having passage openings sized to retain particles of scale, characterised in that said steam distribution circuit comprises at least one second filtering screen (9) arranged in series with the first filtering screen (8), said second filtering screen (9) being arranged downstream from the first filtering screen (8) and having passage openings smaller than the passage openings of the first filtering screen (8).
  2. Ironing appliance (1) according to claim 1, characterised in that the sides of the passage openings of the first filtering screen (8) measure between 1 mm and 2 mm.
  3. Ironing appliance (1) according to claim 1 or 2, characterised in that the sides of the passage openings of the second filtering screen (9) measure between 0.2 mm and 0.6 mm.
  4. Ironing appliance (1) according to any one of claims 1 to 3, characterised in that the steam distribution circuit comprises a third filter arranged downstream from the first (8) and second (9) filtering screens, the third filter having passage openings smaller than the passage openings of the first and second filtering screens (8, 9).
  5. Iron appliance (1) according to any one of claims 1 to 4, characterised in that at least one of the filtering screens (8, 9) is covered with a non-stick coating.
  6. Ironing appliance (1) according to claim 5, characterised in that said coating is a fluoropolymer material.
  7. Ironing appliance (1) according to claim 6, characterised in that the first or second filtering screen (8, 9) consists of a filtering screen (8) made of stainless steel or fibreglass fabric coated with PTFE.
  8. Ironing appliance (1) according to any one of claims 1 to 7, characterised in that it consists of an iron comprising a soleplate (2) in thermal contact with a heating body (4) integrating said steam distribution circuit and in that said steam outlet holes (20) are arranged on said soleplate (2)
  9. Iron (1) according to claim 8, characterised in that the heating body (4) comprises a casting (40) having a lower side in thermal contact with the soleplate (2) and having a vaporisation chamber (42) closed by a closure plate (7) attached to the upper side of the casting (40), said vaporisation chamber (42) being connected to the steam distribution circuit by a steam outlet opening (70) formed in said closure plate (7) and in that said first filter (8) is arranged at said steam outlet opening (70).
  10. Iron (1) according to claim 9, characterised in that said steam outlet opening (70) opens into a steam distribution channel (71) communicating with a steam distribution channel (44) formed in the casting (40), the channel (44) comprising orifices (44A) crossing the casting (40) leading to a steam distribution cavity arranged on the lower side of the casting (40) and supplying the steam outlet holes (20) of the soleplate (2) and in that the second filter (9) is arranged in the steam distribution channel (44) upstream from the orifices (44A) crossing the casting (40).
EP12183394.1A 2011-09-09 2012-09-06 Ironing appliance comprising a steam distribution circuit Active EP2578742B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1158008A FR2979922B1 (en) 2011-09-09 2011-09-09 IRONING APPARATUS COMPRISING A STEAM DISTRIBUTION CIRCUIT

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EP2578742A1 EP2578742A1 (en) 2013-04-10
EP2578742B1 true EP2578742B1 (en) 2015-06-10

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EP12183394.1A Active EP2578742B1 (en) 2011-09-09 2012-09-06 Ironing appliance comprising a steam distribution circuit

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EP (1) EP2578742B1 (en)
CN (1) CN102995375B (en)
FR (1) FR2979922B1 (en)
RU (1) RU2012137535A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2674529A1 (en) * 2012-06-12 2013-12-18 Koninklijke Philips N.V. Steam iron with a steam-permeable screen
FR3005666B1 (en) * 2013-05-16 2015-04-24 Seb Sa IRONING APPARATUS COMPRISING A WATER TREATMENT DEVICE COMPRISING A FILTER
CN105229219B (en) * 2013-07-25 2018-04-24 皇家飞利浦有限公司 For producing the device of steam
FR3033338B1 (en) * 2015-03-03 2017-02-24 Seb Sa IRONING HOUSEHOLD APPLIANCE COMPRISING A FILTER FOR RETAINING VAPOR TRANSPARENT TARTRE PARTICLES
FR3033339B1 (en) * 2015-03-03 2017-02-24 Seb Sa IRONING APPLIANCE COMPRISING A TANK COMPRISING ANTI-TARIFF AGENT AND A STEAM DISTRIBUTION CIRCUIT COMPRISING A FILTER
CN106758098A (en) * 2016-11-23 2017-05-31 宁波凯波集团有限公司 Section dirty cleaning systems of steam and dry iron

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10014815A1 (en) * 2000-03-27 2001-10-11 Rowenta Werke Gmbh Physicochemical scale prevention device with a flake preventing grid for steam irons
BRPI0500228A (en) 2004-01-30 2005-09-20 Celaya Emparanza Galdos Int Sa Improvements to domestic steam irons having a steam chamber and independent heat element housing
WO2006070327A1 (en) * 2004-12-28 2006-07-06 Koninklijke Philips Electronics N.V. Water tank for use in a steam ironing device

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CN102995375A (en) 2013-03-27
RU2012137535A (en) 2014-03-10
FR2979922A1 (en) 2013-03-15
CN102995375B (en) 2016-04-13
FR2979922B1 (en) 2013-10-11
EP2578742A1 (en) 2013-04-10

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