EP3266927B1 - Iron comprising a heating body in thermal contact with an ironing plate - Google Patents
Iron comprising a heating body in thermal contact with an ironing plate Download PDFInfo
- Publication number
- EP3266927B1 EP3266927B1 EP17179431.6A EP17179431A EP3266927B1 EP 3266927 B1 EP3266927 B1 EP 3266927B1 EP 17179431 A EP17179431 A EP 17179431A EP 3266927 B1 EP3266927 B1 EP 3266927B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steam
- distribution
- heating body
- ironing plate
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 55
- 238000010438 heat treatment Methods 0.000 title claims description 48
- 238000010409 ironing Methods 0.000 title claims description 46
- 229910052742 iron Inorganic materials 0.000 title claims description 28
- 238000009826 distribution Methods 0.000 claims description 92
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000009834 vaporization Methods 0.000 description 17
- 230000008016 vaporization Effects 0.000 description 17
- 230000002093 peripheral effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 208000031968 Cadaver Diseases 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F75/20—Arrangements for discharging the 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
Definitions
- the present invention relates to irons comprising a heating body comprising a lower face to the thermal contact of an ironing plate and an upper face at which is formed a vaporization chamber.
- the present invention relates more particularly to an iron in which the heating body comprises a steam distribution circuit which connects the vaporization chamber with a steam distribution chamber formed on the underside of the heating body, the ironing plate comprising, facing the distribution chamber, at least one group of steam outlet holes which open directly into the distribution chamber.
- the heating body comprises a steam distribution circuit which connects the vaporization chamber with a steam distribution chamber formed on the lower face of the heating body, the ironing plate comprising, opposite the distribution chamber, a group of steam outlet holes that open into the dispensing chamber.
- the distribution chamber has a passage section much larger than that of the distribution circuit located upstream of the distribution chamber so that the flow of vapor expands in the distribution chamber, which causes a lowering the velocity of the vapor stream before it is emitted through the steam outlet holes.
- the document US 2007/000159 also discloses an iron with a steam circuit formed on the upper face of a heating body and a distribution chamber formed on the underside of the heating body. However, this document does not illustrate the shape of the distribution chamber.
- the document EP 858 525 discloses an iron having a heating body having a lower face comprising a steam distribution chamber and a rectilinear channel disposed upstream of the distribution chamber, the rectilinear channel having a reduced passage section to accelerate the emission flow of steam.
- the distribution chamber has a passage section much larger than that of the channel so that the flow of steam that arrives in the distribution chamber is relaxed which causes a decrease in the speed of the vapor flow before its emission by the steam outlet holes.
- the object of the present invention is to remedy these drawbacks by proposing an iron having a dispensing chamber arranged under the heating body which is compact and which makes it possible to obtain an outgoing vapor flow with a high speed. through the steam outlet holes of the ironing plate.
- the subject of the invention is an iron comprising a heating body comprising a lower face to the thermal contact of an ironing plate and an upper face at the level of which is provided a vaporization chamber, the heating body comprising a vapor distribution circuit which connects the vaporization chamber with a steam distribution chamber formed on the lower face of the heating body, the ironing plate comprising, facing the distribution chamber, at least a first group of holes of steam outlet which open into the distribution chamber, characterized in that the distribution chamber has the shape of a distribution channel winding around a wall projecting from the lower face of the heating body and that the steam outlet holes of the first group are distributed one behind the other along the distribution channel so that the flow of steam c irculant in the distribution channel successively feeds the steam outlet holes.
- vapor exit holes distributed one behind the other it is meant that the holes are arranged in a row, one after the other in relation to the flow direction of the vapor flow in the distribution channel.
- Such a distribution channel which extends in length to successively supply the different steam outlet holes, has the advantage of being of small width which makes it possible to obtain a greater flow velocity of the steam flow supplying the steam. the holes of the ironing plate.
- the distribution channel has a bent shape that wraps around a wall provides a compact distribution chamber.
- the wall has, in a sectional plane parallel to the ironing plate, a general shape T.
- all the steam outlet holes of the first group are distributed one behind the other along the distribution channel.
- the wall has an upper end coming in the immediate vicinity and advantageously in contact with the ironing plate.
- Such a characteristic makes it possible to partition, in a substantially sealed manner, the distribution chamber using the wall.
- the wall when the wall is in contact with the ironing plate it reinforces the bending strength of the ironing plate and improve the heat transfer with the latter.
- the distribution channel has a portion representing at least one third of its length and preferably the entire length, at which the width of the distribution channel is between one diameter outlet hole and three times the diameter of the steam outlet hole disposed opposite said portion of the distribution channel.
- the distribution channel comprises at least one passage restriction, the passage section of the channel of distribution at the passage restriction being preferably less than 20 mm 2 .
- the distribution circuit comprises at least one passage which passes through the heating body and opens out at a longitudinal end of the distribution channel.
- the dispensing channel comprises at least two turns greater than 90 °.
- Such a characteristic makes it possible to optimize the compactness of the distribution chamber and to promote the evaporation of any droplets of water transported by the steam.
- the ironing plate has a tip-shaped front end, the first group of steam outlet holes being disposed near the front tip of the ironing plate.
- the ironing plate comprises a second group of steam outlet holes fed with steam by a second distribution chamber.
- the second group has more steam outlet holes than the first group.
- Such a feature allows for a softer vapor and spread over a larger area at the second group of steam outlet holes.
- the first group of steam outlet holes has fewer than 15 steam outlet holes.
- the heating body comprises an electrical resistance.
- the heating body comprises a steam chamber which is connected to the distribution circuit.
- Such a feature allows for a surplus of steam that is momentarily delivered to the distribution circuit to be diffused through the steam outlet holes of the ironing plate.
- the figure 1 illustrates a steam iron having a flat ironing plate 2 provided with steam outlet holes 20, the ironing plate 2 being surmounted by a housing 3 made of plastic material including a water reservoir.
- the housing 3 comprises a handful of gripping 30 at its upper end and a heel 31 in its rear part on which the iron can rest during the inactive ironing phases.
- the ironing plate 2 of the iron has a pointed front end and is thermally and mechanically bonded to a heating body 1 integrated in the lower part of the housing 3, the heating body 1 being advantageously made of a molded metal material such as, for example, aluminum, and being heated by means of a bulk-embedded shielded electrical resistance having a generally U shape.
- the heating body 1 has an upper face on which a peripheral wall 11 projects, which laterally delimits a space including in particular a main vaporization chamber 12 and a steam-type vaporizer chamber 13, and a boss 14 provided to receive a thermostat for regulating the temperature of the heating body 1.
- the heating body 1 is, in a manner known per se, closed by a closure plate, not shown in the figures, which rests on the upper edge of the peripheral wall 11.
- This closure plate comprises a drip bushel regularly injecting water from the reservoir into the vaporization chamber 12 to allow the production of a continuous flow of steam of the order of 40 to 70 g / min, the vaporization chamber 12 comprising a bottom having a multitude of pyramidal pads to increase the heat exchange surface.
- the vaporizer chamber 13 is disposed in front of the vaporization chamber 12, so as to extend above the front end of the electrical resistance 10, and is connected to two conduits 15 for the diffusion of vapor which both sides of the vaporization chamber 12 and open near the rear end of the latter.
- the steamer chamber 13 is fed conventionally with water from the tank by means of a manual pump, not shown in the figures, the latter being actuated by a trigger 32, visible on the figure 1 , arranged under the handle 30.
- the vaporization chamber 12 is disposed in the center of the heating body 1, between the branches of the electrical resistance 10, and has an open rear end which communicates with the steam outlet holes 20 of the ironing plate 2 by a distribution circuit steam generator comprising a V-shaped peripheral distribution duct 16 having two branches extending outside the ducts 15 for steam diffusion from the steam chamber 13, the two branches joining at the front end of the heating body 1 and comprising a rear end communicating with the open rear end of the vaporization chamber 12.
- the peripheral distribution duct 16 comprises a first passage 17 disposed near the front end of the heating body 1, this first passage 17 passing through the heating body 1 and opening into a first distribution chamber, called the front distribution chamber 23, arranged on the lower face of the heating body 1, the front distribution chamber 23 supplying steam a first group 21 of steam outlet holes 20 disposed at the front tip of the ironing plate 2.
- the peripheral distribution duct 16 also comprises a plurality of additional passages 18 arranged at the level of the central portion of the heating body 1, these additional passages 18 passing through the heating body 1 and opening into a second distribution chamber, called the central distribution chamber 24, arranged on the underside of the heating body 1, the central distribution chamber 24 supplying steam a second group 22 of steam outlet holes 20 disposed at the central portion of the heating body 1.
- the central distribution chamber 24 and the front distribution chamber 23 are formed by cavities formed on the lower face of the heating body 1 and are bordered by an outer wall 25 which comes into contact with the ironing plate 2, this wall outer 25 advantageously comprising a groove 26 in which is disposed a silicone seal ensuring both the vapor tightness and contributing to the fixation of the ironing plate 2 on the heating body 1.
- the heating body 1 comprises an embossed recess 27 which protrudes into the bottom of the central distribution chamber 24 to come into contact with the ironing plate 2 and ensure a heat transfer with the latter, this imprint 27 delimiting a peripheral channel 28 into which the additional passages 18 open and comprising a central network of channels 29 running in the cavity 27.
- the second group 22 of steam outlet holes 20 of the ironing plate 2 has holes 20 which follow the path of the peripheral channel 28, these holes 20 advantageously having a diameter of the order of 3.5 mm, and holes 20 which follow the path of the channels 29, these holes advantageously having a diameter of the order of 2 mm.
- the front distribution chamber 23 is disposed inside a volume having an ovoid contour conforming to the shape of the pointed front end of the heating body 1, the front distribution chamber having the shape of a distribution channel 23 which wraps around a separation wall 23A which extends from the bottom of the cavity and comes into contact with the ironing plate 2 when the latter is assembled on the heating body 1.
- the wall 23A in a cutting plane parallel to the ironing plate 2, it has a generally T-shaped shape, the distribution channel 23 having, at each of its longitudinal ends, a curved portion rotating over more than 90 °.
- the steam outlet holes 20 of the first group 21 of the ironing plate 2 are distributed one behind the other along the distribution channel 23 so that the flow of steam flowing in the distribution channel 23 feeds successively the steam outlet holes 20 of the first group 21.
- the first group 21 comprises a total of nine steam outlet holes 20 distributed along the distribution channel 23, these steam outlet holes having a diameter of the order of 3 mm.
- the steam distribution channel 23 locally comprises two flow restrictions S1, S2 making it possible to increase the speed of the steam flow, the distribution channel 23 advantageously having a section smaller than 20 mm 2 at these restrictions. passage S1, S2.
- the steam distribution channel 23 comprises an intermediate portion, representing approximately 50% of its length, at which the distribution channel 23 has a width of less than 7 mm and locally a minimum width of the order of 4.5 mm at the passage restrictions S1, S2.
- the user When the user wishes to perform an ironing session, he connects the device to the electrical network so that the electrical resistance of the 10 is electrically powered.
- the temperature of the heating body 1 then rises rapidly until reaching the set temperature defined by the thermostat.
- the water from the reservoir reaching the vaporization chamber 12, passing through the drip-shaped plug, is then transformed into vapor, the stream of vapor thus produced escaping through the open rear end of the vapor chamber.
- the remainder of the steam flow continues to reach the first passage 17 where the flow of steam opens into the distribution channel 23.
- the flow of steam then follows the path illustrated by the arrows on the figure 6 , part of the flow of the steam escaping through the holes 20 of the first group 21 upstream of the restriction S1, another part of the vapor flow undergoing an acceleration at the passage of the restriction S1 before escaping through the holes 20 of the first group 21 of steam outlet holes located downstream on the distribution channel 23.
- the iron thus obtained has the advantage of allowing the diffusion of a steam flow at higher speed at the holes 20 of the first group 21 of steam outlet located near the front tip of the ironing plate 2 than through the holes 20 of the second group 22 of steam outlet holes.
- this phenomenon is further accentuated when using the trigger 32 to obtain a surplus of steam.
- the volume of water injected into the vaporizer chamber 13 is suddenly vaporized and generates an additional flow of vapor flowing rapidly on either side of the vaporization chamber 12, then in the peripheral distribution duct 16 to escape predominantly through the first passage 17.
- This additional vapor flow then flows into the distribution channel 23, where its diffusion rate is maintained, or even accelerated, by successively feeding the holes 20 of the first group 21 of holes Release.
- the apparatus thus produced has the advantage of having a particularly compact front distribution chamber, freeing up space for the central distribution chamber.
- the ironing plate may have only one group of steam outlet holes, all powered by the first distribution chamber.
- the partition wall of the front vaporization chamber may have a general V shape.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Irons (AREA)
Description
La présente invention concerne les fers à repasser comportant un corps chauffant comprenant une face inférieure au contact thermique d'une plaque de repassage et une face supérieure au niveau de laquelle est ménagée une chambre de vaporisation. La présente invention se rapporte plus particulièrement à un fer à repasser dans lequel le corps chauffant comporte un circuit de distribution de vapeur qui relie la chambre de vaporisation avec une chambre de distribution de vapeur ménagée sur la face inférieure du corps chauffant, la plaque de repassage comprenant, en regard de la chambre de distribution, au moins un groupe de trous de sortie de vapeur qui débouchent directement dans la chambre de distribution.The present invention relates to irons comprising a heating body comprising a lower face to the thermal contact of an ironing plate and an upper face at which is formed a vaporization chamber. The present invention relates more particularly to an iron in which the heating body comprises a steam distribution circuit which connects the vaporization chamber with a steam distribution chamber formed on the underside of the heating body, the ironing plate comprising, facing the distribution chamber, at least one group of steam outlet holes which open directly into the distribution chamber.
Il est connu du document
Toutefois, dans ce document la chambre de distribution présente une section de passage bien plus importante que celle du circuit de distribution situé en amont de la chambre de distribution de sorte que le flux de vapeur se détend dans la chambre de distribution, ce qui provoque une baisse de la vitesse du flux de vapeur avant son émission par les trous de sortie de vapeur.However, in this document the distribution chamber has a passage section much larger than that of the distribution circuit located upstream of the distribution chamber so that the flow of vapor expands in the distribution chamber, which causes a lowering the velocity of the vapor stream before it is emitted through the steam outlet holes.
Le document
De plus, les chambres de distribution divulguées dans ces documents présentent l'inconvénient d'être relativement encombrantes.In addition, the distribution chambers disclosed in these documents have the disadvantage of being relatively bulky.
Ainsi, le but de la présente invention est de remédier à ces inconvénients en proposant un fer à repasser comportant une chambre de distribution ménagée sous le corps chauffant qui soit compacte et qui permette l'obtention d'un flux de vapeur sortant avec une vitesse élevée par les trous de sortie de vapeur de la plaque de repassage.Thus, the object of the present invention is to remedy these drawbacks by proposing an iron having a dispensing chamber arranged under the heating body which is compact and which makes it possible to obtain an outgoing vapor flow with a high speed. through the steam outlet holes of the ironing plate.
A cet effet, l'invention a pour objet un fer à repasser comportant un corps chauffant comprenant une face inférieure au contact thermique d'une plaque de repassage et une face supérieure au niveau de laquelle est ménagée une chambre de vaporisation, le corps chauffant comprenant un circuit de distribution de vapeur qui relie la chambre de vaporisation avec une chambre de distribution de vapeur ménagée sur la face inférieure du corps chauffant, la plaque de repassage comprenant, en regard de la chambre de distribution, au moins un premier groupe de trous de sortie de vapeur qui débouchent dans la chambre de distribution, caractérisé en ce que la chambre de distribution présente la forme d'un canal de distribution s'enroulant autour d'une paroi faisant saillie sur la face inférieure du corps chauffant et en ce que les trous de sortie de vapeur du premier groupe sont répartis les uns derrière les autres le long du canal de distribution de telle sorte que le flux de vapeur circulant dans le canal de distribution alimente successivement les trous de sortie de vapeur.For this purpose, the subject of the invention is an iron comprising a heating body comprising a lower face to the thermal contact of an ironing plate and an upper face at the level of which is provided a vaporization chamber, the heating body comprising a vapor distribution circuit which connects the vaporization chamber with a steam distribution chamber formed on the lower face of the heating body, the ironing plate comprising, facing the distribution chamber, at least a first group of holes of steam outlet which open into the distribution chamber, characterized in that the distribution chamber has the shape of a distribution channel winding around a wall projecting from the lower face of the heating body and that the steam outlet holes of the first group are distributed one behind the other along the distribution channel so that the flow of steam c irculant in the distribution channel successively feeds the steam outlet holes.
Par trous de sortie de vapeur répartis les uns derrière les autres, on entend que les trous sont disposés en enfilade, les uns à la suite des autres par rapport à la direction d'écoulement du flux de vapeur dans le canal de distribution.By vapor exit holes distributed one behind the other, it is meant that the holes are arranged in a row, one after the other in relation to the flow direction of the vapor flow in the distribution channel.
Un tel canal de distribution, qui s'étend en longueur pour alimenter successivement les différents trous de sortie de vapeur, présente l'avantage de pouvoir être de faible largeur ce qui permet d'obtenir une vitesse de circulation plus importante du flux de vapeur alimentant les trous de la plaque de repassage.Such a distribution channel, which extends in length to successively supply the different steam outlet holes, has the advantage of being of small width which makes it possible to obtain a greater flow velocity of the steam flow supplying the steam. the holes of the ironing plate.
De plus, le fait que le canal de distribution présente une forme coudée qui s'enroule autour d'une paroi permet d'obtenir une chambre de distribution compacte.In addition, the fact that the distribution channel has a bent shape that wraps around a wall provides a compact distribution chamber.
Selon une autre caractéristique de l'invention, la paroi présente, dans un plan de coupe parallèle à la plaque de repassage, une forme générale en T.According to another characteristic of the invention, the wall has, in a sectional plane parallel to the ironing plate, a general shape T.
Une telle forme permet d'optimiser la compacité de la chambre de distribution.Such a shape makes it possible to optimize the compactness of the distribution chamber.
Selon une autre caractéristique de l'invention, tous les trous de sortie de vapeur du premier groupe sont répartis les uns derrière les autres le long du canal de distribution.According to another characteristic of the invention, all the steam outlet holes of the first group are distributed one behind the other along the distribution channel.
Selon une autre caractéristique de l'invention, la paroi comporte une extrémité supérieure venant à proximité immédiate et avantageusement au contact de la plaque de repassage.According to another characteristic of the invention, the wall has an upper end coming in the immediate vicinity and advantageously in contact with the ironing plate.
Une telle caractéristique permet de cloisonner, de façon sensiblement étanche, la chambre de distribution à l'aide de la paroi. De plus, lorsque la paroi est au contact de la plaque de repassage cela permet de renforcer la tenue à la flexion de la plaque de repassage et d'améliorer le transfert thermique avec cette dernière.Such a characteristic makes it possible to partition, in a substantially sealed manner, the distribution chamber using the wall. In addition, when the wall is in contact with the ironing plate it reinforces the bending strength of the ironing plate and improve the heat transfer with the latter.
Selon une autre caractéristique de l'invention, le canal de distribution présente une partie représentant au moins un tiers de sa longueur et préférentiellement l'intégralité de sa longueur, au niveau de laquelle la largeur du canal de distribution est comprise entre une fois le diamètre du trou de sortie et trois fois le diamètre du trou de sortie de vapeur disposé en regard de ladite partie du canal de distribution.According to another characteristic of the invention, the distribution channel has a portion representing at least one third of its length and preferably the entire length, at which the width of the distribution channel is between one diameter outlet hole and three times the diameter of the steam outlet hole disposed opposite said portion of the distribution channel.
Selon une autre caractéristique de l'invention, le canal de distribution comporte au moins une restriction de passage, la section de passage du canal de distribution au niveau de la restriction de passage étant préférentiellement inférieure à 20 mm2.According to another characteristic of the invention, the distribution channel comprises at least one passage restriction, the passage section of the channel of distribution at the passage restriction being preferably less than 20 mm 2 .
Une telle restriction de passage permet d'augmenter la vitesse du flux de vapeur dans le canal de distribution.Such a passage restriction makes it possible to increase the speed of the steam flow in the distribution channel.
Selon une autre caractéristique de l'invention, le circuit de distribution comporte au moins un passage qui traverse le corps chauffant et débouche au niveau d'une extrémité longitudinale du canal de distribution.According to another characteristic of the invention, the distribution circuit comprises at least one passage which passes through the heating body and opens out at a longitudinal end of the distribution channel.
Selon encore une autre caractéristique de l'invention, le canal de distribution comprend au moins deux virages à plus de 90°.According to yet another characteristic of the invention, the dispensing channel comprises at least two turns greater than 90 °.
Une telle caractéristique permet d'optimiser la compacité de la chambre de distribution et de favoriser l'évaporation des éventuelles gouttelettes d'eau transportées par la vapeur.Such a characteristic makes it possible to optimize the compactness of the distribution chamber and to promote the evaporation of any droplets of water transported by the steam.
Selon une autre caractéristique de l'invention, la plaque de repassage comporte une extrémité avant en forme de pointe, le premier groupe de trous de sortie de vapeur étant disposé à proximité de la pointe avant de la plaque de repassage.According to another characteristic of the invention, the ironing plate has a tip-shaped front end, the first group of steam outlet holes being disposed near the front tip of the ironing plate.
Une telle caractéristique permet d'avoir des trous de sortie de vapeur projetant de la vapeur à haute vitesse au niveau de la pointe avant de la plaque de repassage pour une meilleure pénétration dans le textile.Such a characteristic makes it possible to have vapor exit holes projecting high speed steam at the front tip of the ironing plate for better penetration into the textile.
Selon autre caractéristique de l'invention, la plaque de repassage comprend un deuxième groupe de trous de sortie de vapeur alimenté en vapeur par une deuxième chambre de distribution.According to another characteristic of the invention, the ironing plate comprises a second group of steam outlet holes fed with steam by a second distribution chamber.
Selon encore une autre caractéristique de l'invention, le deuxième groupe comporte plus de trous de sortie de vapeur que le premier groupe.According to yet another characteristic of the invention, the second group has more steam outlet holes than the first group.
Une telle caractéristique permet d'avoir une vapeur plus douce et répartie sur une plus grande surface au niveau du deuxième groupe de trous de sortie de vapeur.Such a feature allows for a softer vapor and spread over a larger area at the second group of steam outlet holes.
De manière avantageuse, le premier groupe de trous de sortie de vapeur comporte moins de 15 trous de sortie de vapeur.Advantageously, the first group of steam outlet holes has fewer than 15 steam outlet holes.
Selon encore une autre caractéristique de l'invention, le corps chauffant comporte une résistance électrique.According to yet another characteristic of the invention, the heating body comprises an electrical resistance.
Selon une autre caractéristique de l'invention, le corps chauffant comporte une chambre de survapeur qui est reliée au circuit de distribution.According to another characteristic of the invention, the heating body comprises a steam chamber which is connected to the distribution circuit.
Une telle caractéristique permet d'avoir un surplus de vapeur qui est délivré momentanément au circuit de distribution pour être diffusé au travers des trous de sortie de vapeur de la plaque de repassage.Such a feature allows for a surplus of steam that is momentarily delivered to the distribution circuit to be diffused through the steam outlet holes of the ironing plate.
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'un fer à repasser selon l'invention ; - la
figure 2 est une vue en perspective éclatée du fer à repasser de lafigure 1 ; - la
figure 3 est une vue en perspective du corps chauffant équipant le fer à repasser de lafigure 1 ; - la
figure 4 est une vue de dessous du corps chauffant de lafigure 3 ; - la
figure 5 est une vue de dessous de la plaque de repassage surmontée du corps chauffant ; - la
figure 6 est une vue de détails, en perspective, du dessous du corps chauffant de lafigure 3 .
- the
figure 1 is a perspective view of an iron according to the invention; - the
figure 2 is an exploded perspective view of the iron from thefigure 1 ; - the
figure 3 is a perspective view of the heating body equipping the iron of thefigure 1 ; - the
figure 4 is a bottom view of the heating body of thefigure 3 ; - the
figure 5 is a bottom view of the ironing plate surmounted by the heating body; - the
figure 6 is a detail view, in perspective, of the bottom of the heating body of thefigure 3 .
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.
On notera que dans ce document, les termes "horizontal", "vertical", "inférieur", "supérieur", "avant", "arrière" employés pour décrire le fer à repasser font référence à ce fer à repasser en situation d'usage lorsque la plaque de repassage est posée sur un plan horizontal.Note that in this document, the terms "horizontal", "vertical", "lower", "upper", "front", "rear" used to describe the iron refer to this iron in a situation of use when the ironing plate is placed on a horizontal plane.
La
Conformément aux
Comme on peut le voir sur la
Le corps chauffant 1 est, de manière connue en soi, fermé par une plaque de fermeture, non représentée sur les figures, qui vient reposer sur le bord supérieur de la paroi périphérique 11. Cette plaque de fermeture comprend un boisseau goutte-à-goutte injectant régulièrement de l'eau du réservoir dans la chambre de vaporisation 12 pour permettre la production d'un débit de vapeur en continu de l'ordre de 40 à 70 gr/min, la chambre de vaporisation 12 comportant un fond présentant une multitude de plots pyramidaux permettant d'augmenter la surface d'échange thermique.The
La chambre de survapeur 13 est disposée devant la chambre de vaporisation 12, de manière à s'étendre au-dessus de l'extrémité avant de la résistance électrique 10, et elle est reliée à deux conduits 15 pour la diffusion de vapeur qui cheminent de part et d'autre de la chambre de vaporisation 12 et débouchent à proximité de l'extrémité arrière de cette dernière. La chambre de survapeur 13 est alimentée classiquement, en eau du réservoir, au moyen d'une pompe manuelle, non représentée sur les figures, cette dernière étant actionnée par une gâchette 32, visible sur la
La chambre de vaporisation 12 est disposée au centre du corps chauffant 1, entre les branches de la résistance électrique 10, et comporte une extrémité arrière ouverte qui communique avec les trous 20 de sortie de vapeur de la plaque de repassage 2 par un circuit de distribution de vapeur comprenant un conduit de distribution périphérique 16, en forme de V, présentant deux branches s'étendant à l'extérieur des conduits 15 pour la diffusion de vapeur de la chambre de survapeur 13, les deux branches se rejoignant à l'extrémité avant du corps chauffant 1 et comprenant une extrémité arrière communiquant avec l'extrémité arrière ouverte de la chambre de vaporisation 12.The
Conformément aux
Le conduit de distribution périphérique 16 comporte également plusieurs passages additionnels 18 disposés à hauteur de la partie centrale du corps chauffant 1, ces passages additionnels 18 traversant le corps chauffant 1 et débouchant dans une seconde chambre de distribution, dite chambre de distribution centrale 24, ménagée sur la face inférieure du corps chauffant 1, la chambre de distribution centrale 24 alimentant en vapeur un deuxième groupe 22 de trous 20 de sortie de vapeur disposé au niveau de la partie centrale du corps chauffant 1.The
Comme on peut le voir sur la
De manière préférentielle, le corps chauffant 1 comporte une empreinte 27 en relief qui fait saillie dans le fond de la chambre de distribution centrale 24 pour venir au contact de la plaque de repassage 2 et assurer un transfert thermique avec cette dernière, cette empreinte 27 délimitant un chenal périphérique 28 dans lequel débouchent les passages additionnels 18 et comprenant un réseau central de chenaux 29 cheminant dans l'empreinte 27.Preferably, the
Conformément à la
Comme on peut le voir sur la
Comme on peut le voir sur la
Dans l'exemple particulier de réalisation illustré, le premier groupe 21 comprend un total de neuf trous 20 de sortie de vapeur répartis le long du canal de distribution 23, ces trous de sortie de vapeur présentant un diamètre de l'ordre de 3 mm.In the particular embodiment illustrated, the
De manière préférentielle, le canal de distribution 23 de vapeur comprend localement deux restrictions de passage S1, S2 permettant d'augmenter la vitesse du flux de vapeur, le canal de distribution 23 présentant avantageusement une section inférieure à 20 mm2 au niveau de ces restrictions de passage S1, S2.Preferably, the
Dans l'exemple particulier de réalisation illustré, le canal de distribution 23 de vapeur comprend une partie intermédiaire, représentant environ 50% de sa longueur, au niveau de laquelle le canal de distribution 23 présente une largeur inférieure à 7 mm et localement une largeur minimum de l'ordre de 4.5 mm au niveau des restrictions de passage S1, S2.In the particular exemplary embodiment illustrated, the
Le fonctionnement du fer à repasser ainsi réalisé va maintenant être décrit.The operation of the iron thus produced will now be described.
Lorsque l'utilisateur souhaite effectuer une séance de repassage, il connecte l'appareil au réseau électrique de manière à ce que la résistance électrique 10 du soit alimentée électriquement. La température du corps chauffant 1 s'élève alors rapidement jusqu'à atteindre la température de consigne définie par le thermostat. L'eau du réservoir parvenant à la chambre de vaporisation 12, en passant au travers du boisseau goutte-à-goutte, est alors transformée en vapeur, le flux de vapeur ainsi produit s'échappant par l'extrémité arrière ouverte de la chambre de vaporisation 12 puis s'écoulant dans le conduit de distribution périphérique 16. Une partie de ce flux passe alors au travers des passages additionnels 18 et débouche dans la chambre de distribution centrale 24 où la vapeur se détend avant d'être diffusée au travers des trous 20 du deuxième groupe de trous de sortie de vapeur en cheminant le long du chenal périphérique 28 puis des chenaux 29 du réseau central.When the user wishes to perform an ironing session, he connects the device to the electrical network so that the electrical resistance of the 10 is electrically powered. The temperature of the
Le reste du flux de vapeur poursuit son chemin jusqu'à atteindre le premier passage 17 où le flux de vapeur débouche dans le canal de distribution 23. Le flux de vapeur suit alors le parcours illustré par les flèches sur la
Le fer à repasser ainsi obtenu présente l'avantage de permettre la diffusion d'un flux de vapeur à plus haute vitesse au niveau des trous 20 du premier groupe 21 de sortie de vapeur situés à proximité de la pointe avant de la plaque de repassage 2 qu'au travers des trous 20 du deuxième groupe 22 de trous de sortie de vapeur.The iron thus obtained has the advantage of allowing the diffusion of a steam flow at higher speed at the
De plus, ce phénomène est encore accentué lors de l'utilisation de la gâchette 32 pour obtenir un surplus de vapeur. En effet, le volume d'eau injecté dans la chambre de survapeur 13 est brutalement vaporisé et génère un flux de vapeur supplémentaire s'écoulant rapidement de part et d'autre de la chambre de vaporisation 12, puis dans le conduit de distribution périphérique 16 pour s'échapper majoritairement par le premier passage 17. Ce flux de vapeur supplémentaire s'écoule alors dans le canal de distribution 23, où sa vitesse de diffusion est maintenue, voire accélérée, en alimentant successivement les trous 20 du premier groupe 21 de trous de sortie.In addition, this phenomenon is further accentuated when using the
On obtient ainsi un fer à repasser présentant une efficacité optimisée pour effectuer des travaux de repassage nécessitant une plus forte pénétration de la vapeur, tel que le repassage des cols de chemises, plis de pantalon, vêtement en jean. En effet, la plus grande vitesse du flux de vapeur émis par les trous du premier groupe permet d'obtenir une meilleure pénétration de la vapeur dans les textiles les plus épais.An iron with an optimized efficiency is thus obtained for carrying out ironing work requiring a greater penetration of the steam, such as ironing shirt collars, pants folds, denim clothing. Indeed, the greater velocity of the vapor flow emitted by the holes of the first group makes it possible to obtain a better penetration of the steam in the thickest textiles.
Enfin, l'appareil ainsi réalisé présente l'avantage de posséder une chambre de distribution avant particulièrement compacte, libérant de l'espace pour la chambre de distribution centrale.Finally, the apparatus thus produced has the advantage of having a particularly compact front distribution chamber, freeing up space for the central distribution chamber.
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.
Ainsi, dans une variante de réalisation de l'invention non représentée, la plaque de repassage pourra ne présenter qu'un seul groupe de trous de sortie de vapeur, tous alimentés par la première chambre de distribution.Thus, in an alternative embodiment of the invention not shown, the ironing plate may have only one group of steam outlet holes, all powered by the first distribution chamber.
Ainsi, dans une variante de réalisation de l'invention non représentée, la paroi de séparation de la chambre de vaporisation avant pourra présenter une forme générale en V.Thus, in an alternative embodiment of the invention not shown, the partition wall of the front vaporization chamber may have a general V shape.
Claims (10)
- Iron comprising a heating body (1) having a lower face which is in thermal contact with an ironing plate (2) and an upper face on which a steam chamber (12) is arranged, the heating body comprising a steam distribution circuit which connects the steam chamber (12) to a steam distribution chamber (23) arranged on the lower face of the heating body, the ironing plate (2) comprising, opposite the distribution chamber, at least one first group (21) of holes (20) for the outlet of steam which lead into the distribution chamber (23), characterised in that the distribution chamber has the form of a distribution channel (23) winding around a wall (23A) protruding into the lower face of the heating body (1) and in that the holes (20) for the outlet of steam from the first group (21) are distributed one behind the other along the distribution channel (23) such that the flow of steam circulating in the distribution channel (23) successively supplies said holes (20) for the outlet of steam.
- Iron according to claim 1, characterised in that the wall (23A) has a general T shape in a cutting plane parallel to the ironing plate (2).
- Iron according to any of claims 1 to 2, characterised in that the wall (23A) comprises an upper end in the immediate proximity of the ironing plate (2) and advantageously in contact with the ironing plate (2).
- Iron according to any of claims 1 to 3, characterised in that the distribution channel (23) comprises at least one passage restriction (S1, S2), the section of the passage of the distribution channel at the passage restriction (S1, S2) being preferably less than 20 mm2.
- Iron according to any of claims 1 to 4, characterised in that the distribution circuit comprises at least one passage (17) which traverses the heating body (1) and leads to a longitudinal end of the distribution channel (23).
- Iron according to any of claims 1 to 5, characterised in that the distribution channel (23) comprises at least two bends of more than 90°.
- Iron according to any of claims 1 to 6, characterised in that the ironing plate (2) comprises a front end in the form of a point and in that the first group (21) of holes (20) for the outlet of steam is arranged close to the front point of the ironing plate (2).
- Iron according to any of claims 1 to 7, characterised in that the ironing plate comprises a second group (22) of holes (20) for the outlet of steam supplied with steam by a second distribution chamber (24).
- Iron according to claim 8, characterised in that the second group (22) comprises more holes (20) for the outlet of steam than the first group (21).
- Iron according to any of claims 1 to 9, characterised in that the heating body comprises an electrical resistance (10
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1656543A FR3053703B1 (en) | 2016-07-07 | 2016-07-07 | IRON CONTAINING A HEATING BODY IN THERMAL CONTACT OF AN IRONING PLATE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3266927A1 EP3266927A1 (en) | 2018-01-10 |
EP3266927B1 true EP3266927B1 (en) | 2019-03-06 |
Family
ID=56920796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17179431.6A Active EP3266927B1 (en) | 2016-07-07 | 2017-07-03 | Iron comprising a heating body in thermal contact with an ironing plate |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3266927B1 (en) |
CN (2) | CN107587337B (en) |
ES (1) | ES2718077T3 (en) |
FR (1) | FR3053703B1 (en) |
TR (1) | TR201904486T4 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3053703B1 (en) * | 2016-07-07 | 2018-07-06 | Seb Sa | IRON CONTAINING A HEATING BODY IN THERMAL CONTACT OF AN IRONING PLATE |
CN109056291B (en) * | 2018-02-01 | 2021-06-01 | 青岛大金缝制设备有限公司 | High-efficiency stable steam generation method and electric steam iron using same |
CN113106718B (en) * | 2021-05-25 | 2022-07-12 | 宁波凯波集团有限公司 | Steam ironing base plate assembly and steam ironing equipment |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2740787B1 (en) * | 1995-11-03 | 1999-06-11 | Moulinex Sa | STEAM IRON |
FR2858636B1 (en) * | 2003-08-05 | 2006-03-17 | Rowenta Werke Gmbh | IRONING IRON WITH VERTICAL DEFROSTING FUNCTION |
DE102009045522A1 (en) * | 2009-10-09 | 2011-04-14 | BSH Bosch und Siemens Hausgeräte GmbH | Iron sole plate, particularly for steam iron, has surface, which is provided for placement on objects to be ironed, where surface is made of anodized aluminum or is coated with anodized aluminum layer |
FR2971796B1 (en) * | 2011-02-18 | 2014-05-09 | Seb Sa | STEAM IRON COMPRISING AN IRONING PLATE COMPRISING AT LEAST ONE FIRST GROUP AND A SECOND GROUP OF STEAM OUTPUT HOLES |
FR3000111B1 (en) * | 2012-12-21 | 2015-01-02 | Seb Sa | STEAM IRONING APPARATUS HAVING PRESSURIZED STEAM GENERATOR AND IRON |
FR3001234B1 (en) * | 2013-01-22 | 2015-12-25 | Seb Sa | STEAM IRONING APPARATUS COMPRISING A STEAM GENERATOR AND AN IRON |
FR3006338B1 (en) * | 2013-05-30 | 2015-05-22 | Seb Sa | STEAM IRONING APPARATUS |
RU2695391C2 (en) * | 2014-10-31 | 2019-07-23 | Конинклейке Филипс Н.В. | Steam treatment device for clothing |
CN204825452U (en) * | 2015-07-24 | 2015-12-02 | 东莞市富鼎瑞实业有限公司 | Electric iron steam generator |
FR3053703B1 (en) * | 2016-07-07 | 2018-07-06 | Seb Sa | IRON CONTAINING A HEATING BODY IN THERMAL CONTACT OF AN IRONING PLATE |
-
2016
- 2016-07-07 FR FR1656543A patent/FR3053703B1/en not_active Expired - Fee Related
-
2017
- 2017-07-03 EP EP17179431.6A patent/EP3266927B1/en active Active
- 2017-07-03 TR TR2019/04486T patent/TR201904486T4/en unknown
- 2017-07-03 ES ES17179431T patent/ES2718077T3/en active Active
- 2017-07-07 CN CN201710551262.0A patent/CN107587337B/en active Active
- 2017-07-07 CN CN201720818798.XU patent/CN207793701U/en not_active Withdrawn - After Issue
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN207793701U (en) | 2018-08-31 |
FR3053703B1 (en) | 2018-07-06 |
EP3266927A1 (en) | 2018-01-10 |
ES2718077T3 (en) | 2019-06-27 |
TR201904486T4 (en) | 2019-04-22 |
FR3053703A1 (en) | 2018-01-12 |
CN107587337B (en) | 2021-01-29 |
CN107587337A (en) | 2018-01-16 |
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