EP2757190B1 - Steam ironing appliance comprising a steam generator and an iron - Google Patents

Steam ironing appliance comprising a steam generator and an iron Download PDF

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Publication number
EP2757190B1
EP2757190B1 EP14151640.1A EP14151640A EP2757190B1 EP 2757190 B1 EP2757190 B1 EP 2757190B1 EP 14151640 A EP14151640 A EP 14151640A EP 2757190 B1 EP2757190 B1 EP 2757190B1
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EP
European Patent Office
Prior art keywords
steam
deflector
appliance according
ironing appliance
distribution
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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Application number
EP14151640.1A
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German (de)
French (fr)
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EP2757190A3 (en
EP2757190A2 (en
Inventor
François Sulpice
David Luc
José Bolota
Alain Louche
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SEB SA
Original Assignee
SEB SA
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Priority claimed from FR1350567A external-priority patent/FR3001233A1/en
Application filed by SEB SA filed Critical SEB SA
Publication of EP2757190A2 publication Critical patent/EP2757190A2/en
Publication of EP2757190A3 publication Critical patent/EP2757190A3/en
Application granted granted Critical
Publication of EP2757190B1 publication Critical patent/EP2757190B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • 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
    • D06F75/38—Sole plates

Definitions

  • the present invention relates to a steam ironing appliance comprising a steam generator and an iron comprising a sole provided with steam outlet holes, the steam outlet holes being supplied by at least one diffusion chamber of steam provided on a lower face of a body attached to the sole and relates more particularly to an ironing appliance in which the body comprises an upper face comprising a steam distribution circuit conveying a flow of steam produced by the steam generator to distribution orifices passing through the body and communicating with the vapor diffusion chamber.
  • a steam ironing apparatus comprising a steam generator and an iron comprising a sole topped with a heating body, the heating body comprising an upper face comprising a steam distribution circuit conveying the flow of steam produced by the steam generator to distribution orifices passing through the body and opening onto the underside of the soleplate in vapor diffusion chambers supplying steam outlet holes of the sole.
  • Such an ironing appliance has the advantage of providing a powerful flow of steam through the steam outlet holes of the soleplate and very good ironing performance.
  • such an ironing appliance has the drawback of generating a flow of steam which is relatively noisy when it is emitted through the iron.
  • the invention relates to a steam ironing device comprising a pressurized steam generator, comprising a vessel for the production of steam at a pressure greater than 4 bars, and an iron comprising a flat sole provided with steam outlet holes, the steam outlet holes being fed by at least one steam diffusion chamber formed on a lower face of a body attached to the sole, the body comprising an upper face comprising a steam distribution circuit conveying a flow of steam produced by the steam generator to orifices of distribution passing through the body and communicating with the steam diffusion chamber, characterized in that the iron has a vapor flow deflector arranged under the body, facing the steam distribution orifices or at least one of the orifices steam distribution, the deflector consisting of a deflector plate which is attached between the underside of the body and the sole and which deflects the fl steam flow from the distribution orifice (s) to orient it in a direction approaching the plane of the sole.
  • Such a feature makes it possible to reduce the noise by limiting the turbulence accompanying the change of direction at the outlet of the dispensing orifice (s), the flow of steam from the orifices being deflected in a direction approaching the plane of the sole at the inlet. of the vapor diffusion chamber.
  • the deflector extends opposite all the steam distribution orifices passing through the body so as to deflect the flow of steam coming from each of the distribution orifices in a direction approaching the plane of the sole.
  • the deflector directs the flow in a direction substantially parallel to the sole.
  • Such a feature makes it possible to reduce noise by directing the flow of steam perpendicular to the outlet holes of the soleplate and also has the advantage of allowing very good distribution of the steam to be obtained through the outlet holes of the soleplate. sole.
  • the distribution orifices open out into an expansion chamber formed on the underside of the body and the deflector is disposed downstream of the expansion chamber.
  • Such an expansion chamber arranged between the deflector and the distribution orifices, has the advantage of reducing noise by playing the role of a silencer.
  • the deflector is formed by a deflector plate which is attached between the lower face of the body and the sole.
  • the deflector plate extends parallel to the sole.
  • the deflector is formed by a deflector plate integrated directly into the sole, the deflector plate corresponding to a zone of the sole not comprising vapor outlet holes.
  • Such a feature has the advantage of integrating the deflector located opposite the distribution orifices directly into the sole, thus avoiding the addition of an additional plate.
  • such an embodiment has the drawback of reducing the surface area of the sole on which the steam outlet holes can be arranged.
  • the flow of steam circulates in a space formed between the lower face of the body and the deflector plate, the deflector plate cooperating with the lower face of the body to locally restrict the height of the space up to locally reaching a height of less than 1 mm and advantageously of the order of 0.4 mm.
  • Such a characteristic has the advantage of giving the best acoustic results.
  • a porous and deformable element is interposed between the deflector plate and the body.
  • Such a characteristic has the advantage of further improving the reduction in the noise emitted.
  • the steam generator comprises a vessel for the production of steam at a pressure greater than 4 bars.
  • the body is a foundry incorporating a heating resistor.
  • Such a characteristic makes it possible in particular to contribute to the elimination of the condensates which can be transported by the flow of steam.
  • the body is closed in its upper part by a cover and the steam distribution circuit comprises at least one expansion chamber comprising projecting studs carried by the body and projecting studs carried. through the cover.
  • the projecting studs have a rounded outline, the outline of the studs having a minimum radius of curvature of 1.5 mm.
  • the studs have a frustoconical or cylindrical shape of revolution.
  • an intermediate layer devoid of any obstacle, is provided between the protruding studs of the two surfaces.
  • the intermediate layer is flat and has a thickness of between 2 and 4 mm, the studs of the two facing surfaces extending to the edge of the intermediate layer.
  • the figure 1 shows an ironing device comprising a base 100 for generating steam and an iron 1 interconnected by a cord 101, the iron 1 conventionally comprising a flat ironing sole 2 surmounted by a housing 3 made of plastic material incorporating a grip handle.
  • the base 100 has an inclined plane on which the iron 1 can come stand during inactive ironing phases and contains, in a manner known per se, a tank 102 for the production of steam under a pressure of the order of 4 to 6 bars, the tank 102 being supplied with water from a reservoir 103 by means of a pump 104.
  • the base 100 is connected to the domestic electrical network by an electrical wire 105 which allows both the electrical supply of the heating means of the tank 102, not shown in the figures, and the electrical supply of the iron 1 through cord 101.
  • the sole 2 of the iron is surmounted by a heating body 5, advantageously constituted by an aluminum foundry, the body 5 comprising a lower face comprising a central band in relief 53 in the form of a V and a peripheral border coming directly from in contact with the sole 2 to ensure the heat transfer between the body 5 and the sole 2 for ironing.
  • the ironing sole 2 is provided with a first group 21 of steam outlet holes 20 arranged in a triangular arrangement near the front tip of the sole. 2 and a second group 22 of steam outlet holes 20 distributed over the central and rear part of the sole 2 in two concentric networks separated by a strip of material 23 devoid of holes.
  • the first group 21 and second group 22 of vapor outlet holes 20 are respectively supplied with vapor by a first diffusion chamber 51 and a second diffusion chamber 52 formed on the underside of the body 5, the first and second diffusion chambers 51, 52 itself being supplied with steam by distribution orifices 50, 54 which pass through the body 5 and open into a steam distribution circuit formed on the upper face of the body 5.
  • the first and second diffusion chambers 51, 52 are separated from one another by a raised rib 59 on which rests a vapor deflector 4 attached under the body 5, the deflector 4 directing the flow from the distribution orifices 50, 54 substantially perpendicular to the vapor outlet holes 20.
  • the deflector is advantageously constituted by a deflector plate 4 in stainless steel with a thickness of the order of 0.8 mm which extends opposite the distribution orifices 50, 54 in the shape of a horseshoe, the deflector plate 4 comprising three positioning holes 40 in which the lugs 53A carried by the body 5 engage and comprising a lower face provided with four bosses 41 on which the sole 2 comes to rest so that a height h 1 results traffic, visible on the figure 5 , of the order of 0.8 mm between the sole 2 and the deflector plate 4.
  • the distribution orifices 50, 54 open into an expansion chamber 50A, 54A provided on the underside of the body 5, upstream of the deflector 4, the expansion chamber 50A, 54A having a larger cross section of passage than the passage section of the distribution orifices 50, 54.
  • the expansion chamber 54A is preferably common to several distribution orifices 54 thus making it possible to economically obtain a large-volume expansion chamber playing the role of a silencer.
  • the deflector plate 4 is supported, at the level of the second diffusion chamber 52, over the entire periphery of the expansion chamber 54A, with the exception of an exhaust zone, formed by a recess 54B, through which the vapor flow illustrated by arrows can escape, the deflector plate 4 extending parallel to the recess 54B, over a length of the order of 2 to 5 mm, defining a space for the passage of the vapor flow at the level of which the height is gradually reduced to reach a height h 2 of the order of 0.4 mm at the edge of the deflector plate 4.
  • the deflector plate 4 extends, at the level of the first diffusion chamber 51, in the direction of an exhaust zone formed by a recess 50B formed at the front of the body 5, a space for the passage of the flow of steam, with a height h 3 of the order of 0.4 mm, being provided between the deflector plate 4 and the body 5 in the vicinity of the outlet of the expansion chamber 50A, this space extending to recess 50B.
  • the steam distribution orifices 50, 54 open onto the upper face of the body 5 in a steam distribution circuit delimited laterally by a peripheral wall 55 and intermediate walls 56 obtained directly by molding with the body 5, the steam distribution circuit being closed in its upper part by a cover 6, the latter being attached by gluing to the walls 55, 56.
  • the steam distribution circuit comprises a steam inlet orifice 62 formed in the cover 6, this orifice 62 having a small passage section and opening into a first expansion chamber 11 of the steam distribution circuit at which the passage section increases sharply, this first expansion chamber 11 being arranged at the edge of the peripheral wall 55, near the rear part of the body 5, and extending above a branch of a heating resistor 7 in the form of of U integrated in the body 5.
  • the first expansion chamber 11 then communicates with an overheating channel 12, the role of which is to vaporize all of the condensates still present in the steam flow, the overheating channel 12 having a reduced, substantially constant, and meandering passage section. in the body 5 over a length advantageously greater than 200 mm and preferably of the order of 300 mm.
  • the overheating channel 12 runs along the rear part of the peripheral wall 55 and winds through the volume of the body 5 arranged next to the first expansion chamber 11, bypassing a boss 57 intended to receive a control thermostat.
  • the heating resistor 7, then opens into a second expansion chamber 13, provided in the front central part of the body 5, the role of which is to reduce the speed of the steam flow as much as possible.
  • the first and second expansion chambers 11, 13 have a passage section more than thirty times greater than the passage section of the orifice 62 for the steam inlet and more than ten times greater than the sum of passage sections of the distribution orifices 50, 54 of steam.
  • the passage section of the steam inlet orifice 62 is of the order of 10 mm 2
  • the passage section of the expansion chambers 11, 13 is of the order of 500 mm 2
  • the passage section of the overheating channel 12 is of the order of 80 mm 2
  • the cumulative passage section of the steam distribution orifices 50, 54 is of the order of 40 mm 2 .
  • first and second chambers 11, 13 are advantageously provided in part in the volume of the body 5 and partly in a cavity 61, 63 formed in the closure cover 6, visible on the figure 2 .
  • the steam distribution circuit comprises projecting studs 58, 65 forming obstacles to the flow of steam circulating in the steam distribution circuit, these studs 58, 65 making it possible to limit the turbulence and therefore the noise in the steam distribution circuit.
  • pads 58, 65 have a rounded shape and are advantageously distributed evenly between the body 5 and the cover 6, the first expansion chamber 11 and the second expansion chamber 13 each comprising more than ten pads 58 rising in column from an upper surface of the body 5, the studs 58 being spaced from each other by less than 1 cm.
  • the cover 6 advantageously comprises, facing each stud 58 of the body 5, a stud 65 extending in the direction of the body 5 from a lower surface of the cover 6, a free space of a few millimeters being provided between the upper ends of the studs 58 supported by the body 5 and the lower ends of the studs 65 of the cover 6 so that an intermediate layer results in the steam distribution circuit in which the steam can circulate without encountering obstacles.
  • the studs 58, 65 have a slightly frustoconical shape and a rounded upper end having a radius greater than 1.5 mm, the height of the studs 58, 65 being adapted so that the layer devoid of any obstacle is flat and has a thickness of between 2 and 4 mm and preferably of the order of 2.5 mm.
  • the second chamber of expansion 13 communicates with a vapor distribution device making it possible, in a manner known per se, to send the vapor either to all of the first and second groups of vapor outlet holes 20 of the sole, or only to the first group 21 of the sole 2 vapor outlet holes.
  • the vapor distribution device which will only be described briefly in the remainder of the description, uses the operating principle of the vapor distribution device described in detail in the patent application. EP2503052 .
  • This vapor distribution device comprises in particular a main duct 16 connecting the second expansion chamber 13 to a front diffusion chamber 14 which supplies vapor to the first group 21 of vapor outlet holes 20 through the distribution orifices 50 and comprises a vertical chimney 16A opening into a steam distribution chamber 17 communicating with two lateral distribution chambers 15 which supply steam to the second group 22 of steam outlet holes 20 through the distribution orifices 54.
  • the vapor distribution device also comprises a hemispherical seal 9 which, at rest, occupies the position shown in solid lines on the figure 8 , in which the steam from the second expansion chamber 13 passes freely through the main duct 16 and through the vertical chimney 16A then is diffused towards the first and second groups 21, 22 of steam outlet holes 20.
  • the ironing appliance thus produced has the advantage of comprising a steam distribution circuit allowing the diffusion of jets of steam through the sole with a flow rate greater than 70 g / min without generating significant noise.
  • the deflector plate 4 disposed opposite the distribution orifices 50, 54 has the advantage of orienting the flow substantially parallel to the sole 2, as is illustrated by the arrows on the figures 5 and 6 , so that the flow circulates perpendicularly to the vapor outlet holes 20 of the sole, which makes it possible to limit the noise of the vapor jets.
  • Such an orientation of the vapor flow also makes it possible to obtain a very good distribution of the vapor in the first and second diffusion chambers and therefore through the various vapor outlet holes of the soleplate, the vapor thus leaving with a homogeneous speed. through each of the steam outlet holes, which allows optimal humidification of the laundry.
  • the deflector plate 4 makes it possible to limit the turbulence at the outlet of the expansion chamber 50A, 54A, by directing the flow of steam parallel to the sole 2.
  • the deflector plate 4 also makes it possible to limit the whistle phenomenon occurring. when the fluid passes successively through at least two openings of similar passage section.
  • the protruding studs in the distribution circuit also contribute to reducing the noise during the emission of the vapor flow by reducing turbulence.
  • the iron may also include a porous and deformable element 8 which will be placed in the volume between the deflector plate 4 and the body 5, this element 8 being able for example to consist of a mass of ribbon or stainless steel wires, with a stainless steel felt or a pre-oxidized fiber felt.
  • Such a porous and deformable element 8 has the advantage of further limiting the noise of the vapor flow, while increasing the pressure drops.
  • the iron may be stripped of the steam distribution device, the steam leaving the second chamber being sent permanently to all the steam outlet holes.

Description

La présente invention se rapporte à un appareil de repassage à la vapeur comportant un générateur de vapeur et un fer à repasser comportant une semelle munie de trous de sortie de vapeur, les trous de sortie de vapeur étant alimentés par au moins une chambre de diffusion de vapeur ménagée sur une face inférieure d'un corps rapporté sur la semelle et se rapporte plus particulièrement à un appareil de repassage dans lequel le corps comprend une face supérieure comportant un circuit de distribution de vapeur acheminant un flux de vapeur produit par le générateur de vapeur vers des orifices de distribution traversant le corps et communiquant avec la chambre de diffusion de vapeur.The present invention relates to a steam ironing appliance comprising a steam generator and an iron comprising a sole provided with steam outlet holes, the steam outlet holes being supplied by at least one diffusion chamber of steam provided on a lower face of a body attached to the sole and relates more particularly to an ironing appliance in which the body comprises an upper face comprising a steam distribution circuit conveying a flow of steam produced by the steam generator to distribution orifices passing through the body and communicating with the vapor diffusion chamber.

Il est connu des documents DE 20 2005 012165U et EP 0 908 551 , un appareil de repassage comportant une chambre de diffusion de vapeur ménagée entre un corps chauffant comprenant un générateur de vapeur et une semelle munie de trous de sortie de vapeur. Toutefois, les appareils décrits dans ces documents ne sont pas munis de générateur de vapeur sous pression.It is known from the documents DE 20 2005 012165U and EP 0 908 551 , an ironing appliance comprising a steam diffusion chamber formed between a heating body comprising a steam generator and a sole provided with steam outlet holes. However, the devices described in these documents are not fitted with a pressurized steam generator.

Il est connu, de la demande de brevet EP2503052 déposée par la demanderesse, un appareil de repassage à la vapeur comportant un générateur de vapeur et un fer à repasser comprenant une semelle surmontée d'un corps chauffant, le corps chauffant comportant une face supérieure comportant un circuit de distribution de vapeur acheminant le flux de vapeur produit par le générateur de vapeur vers des orifices de distribution traversant le corps et débouchant sur la face inférieure de la semelle dans des chambres de diffusion de vapeur alimentant des trous de sortie de vapeur de la semelle.It is known, from the patent application EP2503052 filed by the Applicant, a steam ironing apparatus comprising a steam generator and an iron comprising a sole topped with a heating body, the heating body comprising an upper face comprising a steam distribution circuit conveying the flow of steam produced by the steam generator to distribution orifices passing through the body and opening onto the underside of the soleplate in vapor diffusion chambers supplying steam outlet holes of the sole.

Un tel appareil de repassage présente l'avantage de fournir un puissant flux de vapeur au travers des trous de sortie de vapeur de la semelle et de très bonnes performances de repassage. Cependant, un tel appareil de repassage présente l'inconvénient de générer un flux de vapeur qui est relativement bruyant lorsqu'il est émis au travers du fer à repasser.Such an ironing appliance has the advantage of providing a powerful flow of steam through the steam outlet holes of the soleplate and very good ironing performance. However, such an ironing appliance has the drawback of generating a flow of steam which is relatively noisy when it is emitted through the iron.

Aussi, un but de la présente invention est de remédier à ces inconvénients en proposant un appareil de repassage muni d'un générateur de vapeur sous pression dans lequel le bruit généré par la circulation du flux de vapeur au travers du fer à repasser est réduit. Un autre but de la présente invention est de proposer un appareil qui soit simple et économique à mettre en œuvre.Also, an object of the present invention is to remedy these drawbacks by providing an ironing appliance provided with a steam generator under pressure in which the noise generated by the circulation of the steam flow through the iron is reduced. Another object of the present invention is to provide an apparatus which is simple and economical to implement.

A cet effet, l'invention a pour objet un appareil de repassage à la vapeur comportant un générateur de vapeur sous pression, comportant une cuve pour la production de vapeur sous une pression supérieure à 4 bars, et un fer à repasser comportant une semelle plane munie de trous de sortie de vapeur, les trous de sortie de vapeur étant alimentés par au moins une chambre de diffusion de vapeur ménagée sur une face inférieure d'un corps rapporté sur la semelle, le corps comprenant une face supérieure comportant un circuit de distribution de vapeur acheminant un flux de vapeur produit par le générateur de vapeur vers des orifices de distribution traversant le corps et communiquant avec la chambre de diffusion de vapeur, caractérisé en ce que le fer à repasser comporte un déflecteur du flux de vapeur disposé sous le corps, en regard des orifices de distribution de vapeur ou d'au moins un des orifices de distribution de vapeur, le déflecteur étant constitué par une plaque déflectrice qui est rapportée entre la face inférieure du corps et la semelle et qui dévie le flux de vapeur issu du ou des orifices de distribution pour l'orienter dans une direction se rapprochant du plan de la semelle.To this end, the invention relates to a steam ironing device comprising a pressurized steam generator, comprising a vessel for the production of steam at a pressure greater than 4 bars, and an iron comprising a flat sole provided with steam outlet holes, the steam outlet holes being fed by at least one steam diffusion chamber formed on a lower face of a body attached to the sole, the body comprising an upper face comprising a steam distribution circuit conveying a flow of steam produced by the steam generator to orifices of distribution passing through the body and communicating with the steam diffusion chamber, characterized in that the iron has a vapor flow deflector arranged under the body, facing the steam distribution orifices or at least one of the orifices steam distribution, the deflector consisting of a deflector plate which is attached between the underside of the body and the sole and which deflects the fl steam flow from the distribution orifice (s) to orient it in a direction approaching the plane of the sole.

Une telle caractéristique permet de réduire le bruit en limitant les turbulences accompagnant le changement de direction à la sortie du ou des orifices de distribution, le flux de vapeur issu des orifices étant dévié dans une direction se rapprochant du plan de la semelle à l'entrée de la chambre de diffusion de vapeur.Such a feature makes it possible to reduce the noise by limiting the turbulence accompanying the change of direction at the outlet of the dispensing orifice (s), the flow of steam from the orifices being deflected in a direction approaching the plane of the sole at the inlet. of the vapor diffusion chamber.

Selon une autre caractéristique de l'invention, le déflecteur s'étend en regard de tous les orifices de distribution de vapeur traversant le corps de manière à dévier le flux de vapeur issu de chacun des orifices de distribution dans une direction se rapprochant du plan de la semelle.According to another characteristic of the invention, the deflector extends opposite all the steam distribution orifices passing through the body so as to deflect the flow of steam coming from each of the distribution orifices in a direction approaching the plane of the sole.

Une telle caractéristique permet d'optimiser la réduction du bruit en agissant sur le flux de vapeur issu de chacun des orifices de distribution.Such a characteristic makes it possible to optimize the reduction of noise by acting on the flow of steam issuing from each of the distribution orifices.

Selon une autre caractéristique de l'invention, le déflecteur oriente le flux dans une direction sensiblement parallèle à la semelle.According to another characteristic of the invention, the deflector directs the flow in a direction substantially parallel to the sole.

Une telle caractéristique permet de réduire le bruit en orientant le flux de vapeur perpendiculairement aux trous de sortie de la semelle et présente également l'avantage de permettre l'obtention d'une très bonne répartition de la vapeur au travers des trous de sortie de la semelle.Such a feature makes it possible to reduce noise by directing the flow of steam perpendicular to the outlet holes of the soleplate and also has the advantage of allowing very good distribution of the steam to be obtained through the outlet holes of the soleplate. sole.

Selon une autre caractéristique de l'invention, les orifices de distribution débouchent dans une chambre d'expansion ménagée sur la face inférieure du corps et le déflecteur est disposé en aval de la chambre d'expansion.According to another characteristic of the invention, the distribution orifices open out into an expansion chamber formed on the underside of the body and the deflector is disposed downstream of the expansion chamber.

Une telle chambre d'expansion, disposée entre le déflecteur et les orifices de distribution, présente l'avantage de réduire le bruit en jouant le rôle d'un silencieux.Such an expansion chamber, arranged between the deflector and the distribution orifices, has the advantage of reducing noise by playing the role of a silencer.

Selon une autre caractéristique de l'invention, le déflecteur est constitué par une plaque déflectrice qui est rapportée entre la face inférieure du corps et la semelle.According to another characteristic of the invention, the deflector is formed by a deflector plate which is attached between the lower face of the body and the sole.

Une telle solution présente l'avantage d'être simple et économique à mettre en œuvre et d'offrir une grande liberté dans le positionnement des trous de sortie de vapeur sur la surface de la semelle, ces derniers pouvant être disposés derrière la plaque déflectrice.Such a solution has the advantage of being simple and economical to implement and of offering great freedom in the positioning of the vapor outlet holes on the surface of the sole, the latter possibly being placed behind the deflector plate.

Selon une autre caractéristique de l'invention, la plaque déflectrice s'étend parallèlement à la semelle.According to another characteristic of the invention, the deflector plate extends parallel to the sole.

Selon une autre caractéristique de l'invention, le déflecteur est constitué par une plaque déflectrice intégrée directement dans la semelle, la plaque déflectrice correspondant à une zone de la semelle ne comportant pas de trous de sortie de vapeur.According to another characteristic of the invention, the deflector is formed by a deflector plate integrated directly into the sole, the deflector plate corresponding to a zone of the sole not comprising vapor outlet holes.

Une telle caractéristique présente l'avantage d'intégrer directement dans la semelle le déflecteur se trouvant en regard des orifices de distribution, évitant ainsi l'ajout d'une plaque supplémentaire. Toutefois, un tel mode de réalisation présente l'inconvénient de réduire la surface de la semelle sur laquelle les trous de sortie de vapeur peuvent être disposés.Such a feature has the advantage of integrating the deflector located opposite the distribution orifices directly into the sole, thus avoiding the addition of an additional plate. However, such an embodiment has the drawback of reducing the surface area of the sole on which the steam outlet holes can be arranged.

Selon une autre caractéristique de l'invention, le flux de vapeur circule dans un espace ménagé entre la face inférieure du corps et la plaque déflectrice, la plaque déflectrice coopérant avec la face inférieure du corps pour restreindre localement la hauteur de l'espace jusqu'à atteindre localement une hauteur inférieure à 1 mm et avantageusement de l'ordre de 0,4 mm.According to another characteristic of the invention, the flow of steam circulates in a space formed between the lower face of the body and the deflector plate, the deflector plate cooperating with the lower face of the body to locally restrict the height of the space up to locally reaching a height of less than 1 mm and advantageously of the order of 0.4 mm.

Une telle caractéristique présente l'avantage de donner les meilleurs résultats acoustique.Such a characteristic has the advantage of giving the best acoustic results.

Selon une autre caractéristique de l'invention, un élément poreux et déformable est interposé entre la plaque déflectrice et le corps.According to another characteristic of the invention, a porous and deformable element is interposed between the deflector plate and the body.

Une telle caractéristique présente l'avantage d'améliorer encore la diminution du bruit émis.Such a characteristic has the advantage of further improving the reduction in the noise emitted.

Selon encore une autre caractéristique de l'invention, le générateur de vapeur comporte une cuve pour la production de vapeur sous une pression supérieure à 4 bars.According to yet another characteristic of the invention, the steam generator comprises a vessel for the production of steam at a pressure greater than 4 bars.

Une telle caractéristique permet d'obtenir de puissants jets de vapeur au travers des trous de sortie de vapeur de la semelle.Such a characteristic makes it possible to obtain powerful jets of steam through the vapor outlet holes of the sole.

Selon une autre caractéristique de l'invention, le corps est une fonderie intégrant une résistance chauffante.According to another characteristic of the invention, the body is a foundry incorporating a heating resistor.

Une telle caractéristique permet notamment de contribuer à l'élimination des condensats pouvant être transportés par le flux de vapeur.Such a characteristic makes it possible in particular to contribute to the elimination of the condensates which can be transported by the flow of steam.

Selon une autre caractéristique de l'invention, le corps est fermé dans sa partie supérieure par un couvercle et le circuit de distribution de la vapeur comporte au moins une chambre de détente comprenant des plots en saillie portés par le corps et des plots en saillie portés par le couvercle.According to another characteristic of the invention, the body is closed in its upper part by a cover and the steam distribution circuit comprises at least one expansion chamber comprising projecting studs carried by the body and projecting studs carried. through the cover.

Une telle caractéristique permet d'optimiser l'effet silencieux de la chambre de détente.Such a characteristic makes it possible to optimize the silent effect of the expansion chamber.

Selon une autre caractéristique de l'invention, les plots en saillie présentent un contour arrondi, le contour des plots présentant un rayon de courbure minimum de 1,5 mm.According to another characteristic of the invention, the projecting studs have a rounded outline, the outline of the studs having a minimum radius of curvature of 1.5 mm.

Selon une autre caractéristique de l'invention, les plots présentent une forme tronconique ou cylindrique de révolution.According to another characteristic of the invention, the studs have a frustoconical or cylindrical shape of revolution.

Selon encore une autre caractéristique de l'invention, une couche intermédiaire, démunie de tout obstacle, est ménagée entre les plots en saillie des deux surfaces.According to yet another characteristic of the invention, an intermediate layer, devoid of any obstacle, is provided between the protruding studs of the two surfaces.

Selon une autre caractéristique de l'invention, la couche intermédiaire est plane et présente une épaisseur comprise entre 2 et 4 mm, les plots des deux surfaces en regard s'étendant jusqu'en bordure de la couche intermédiaire.According to another characteristic of the invention, the intermediate layer is flat and has a thickness of between 2 and 4 mm, the studs of the two facing surfaces extending to the edge of the intermediate layer.

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 de côté d'un appareil de repassage équipé d'un fer à repasser selon un mode particulier de réalisation de l'invention ;
  • la figure 2 est une vue en perspective éclatée du dessous de la semelle et du corps chauffant équipant le fer à repasser de la figure 1 ;
  • la figure 3 est une vue en perspective éclatée du dessous du corps chauffant et de la plaque déflectrice ;
  • la figure 4 est une vue de dessus du corps chauffant de la figure 2 représenté sans le couvercle de fermeture ;
  • la figure 5 une vue en coupe transversale du corps chauffant du fer à repasser selon la ligne V-V de la figure 4, le corps chauffant étant équipé de son couvercle de fermeture ;
  • la figure 6 une vue en coupe du corps chauffant du fer à repasser selon la ligne VI-VI de la figure 4 ;
  • la figure 7 est une vue en perspective éclatée du dessus du corps chauffant équipant le fer à repasser de la figure 1;
  • La figure 8 est une vue en coupe longitudinale selon la ligne VIII-VIII de la figure 4, le corps chauffant étant équipé de son couvercle de fermeture;
  • La figure 9 est une vue en coupe, de détails, du corps chauffant selon une variante de réalisation de l'invention.
The objects, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention. the invention, presented by way of non-limiting example, with reference to the appended drawings in which:
  • the figure 1 is a side view of an ironing appliance equipped with an iron according to a particular embodiment of the invention;
  • the figure 2 is an exploded perspective view of the underside of the sole and of the heating element fitted to the iron of the figure 1 ;
  • the figure 3 is an exploded perspective view of the underside of the heater body and the baffle plate;
  • the figure 4 is a top view of the heating body of the figure 2 shown without the closing cover;
  • the figure 5 a cross-sectional view of the heating body of the iron along the line VV of the figure 4 , the heating body being equipped with its closing cover;
  • the figure 6 a sectional view of the heating body of the iron along line VI-VI of the figure 4 ;
  • the figure 7 is an exploded perspective view of the top of the heating body fitted to the iron of the figure 1 ;
  • The figure 8 is a longitudinal sectional view along the line VIII-VIII of the figure 4 , the heating body being equipped with its closing cover;
  • The figure 9 is a sectional view, in detail, of the heating body according to 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 shown. To facilitate reading of the drawings, the same elements bear the same references from one figure to another.

La figure 1 représente un appareil de repassage comportant une base 100 génératrice de vapeur et un fer à repasser 1 reliés entre eux par un cordon 101, le fer à repasser 1 comportant classiquement une semelle 2 de repassage plane surmontée d'un boitier 3 en matière plastique intégrant une poignée de préhension.The figure 1 shows an ironing device comprising a base 100 for generating steam and an iron 1 interconnected by a cord 101, the iron 1 conventionally comprising a flat ironing sole 2 surmounted by a housing 3 made of plastic material incorporating a grip handle.

La base 100 comporte un plan incliné sur lequel le fer à repasser 1 peut venir reposer lors de phases inactives de repassage et renferme, de manière connue en soi, une cuve 102 pour la production de vapeur sous une pression de l'ordre de 4 à 6 bars, la cuve 102 étant alimentée en eau en provenance d'un réservoir 103 au moyen d'une pompe 104.The base 100 has an inclined plane on which the iron 1 can come stand during inactive ironing phases and contains, in a manner known per se, a tank 102 for the production of steam under a pressure of the order of 4 to 6 bars, the tank 102 being supplied with water from a reservoir 103 by means of a pump 104.

La base 100 est reliée au réseau électrique domestique par un fil électrique 105 qui permet à la fois l'alimentation électrique de moyens de chauffage de la cuve 102, non représentés sur les figures, et l'alimentation électrique du fer à repasser 1 au travers du cordon 101.The base 100 is connected to the domestic electrical network by an electrical wire 105 which allows both the electrical supply of the heating means of the tank 102, not shown in the figures, and the electrical supply of the iron 1 through cord 101.

Conformément à la figure 2, la semelle 2 du fer à repasser est surmontée d'un corps 5 chauffant, avantageusement constitué par une fonderie d'aluminium, le corps 5 comprenant une face inférieure comprenant une bande centrale en relief 53 en forme de V et une bordure périphérique venant directement au contact de la semelle 2 pour assurer le transfert thermique entre le corps 5 et la semelle 2 de repassage.In accordance with the figure 2 , the sole 2 of the iron is surmounted by a heating body 5, advantageously constituted by an aluminum foundry, the body 5 comprising a lower face comprising a central band in relief 53 in the form of a V and a peripheral border coming directly from in contact with the sole 2 to ensure the heat transfer between the body 5 and the sole 2 for ironing.

Dans le mode particulier de réalisation de l'invention illustré sur les figures, la semelle 2 de repassage est munie d'un premier groupe 21 de trous de sortie de vapeur 20 disposés selon un agencement en triangle à proximité de la pointe avant de la semelle 2 et d'un second groupe 22 de trous de sortie de vapeur 20 répartis sur la partie centrale et arrière de la semelle 2 selon deux réseaux concentriques séparés par une bande de matière 23 démunie de trous.In the particular embodiment of the invention illustrated in the figures, the ironing sole 2 is provided with a first group 21 of steam outlet holes 20 arranged in a triangular arrangement near the front tip of the sole. 2 and a second group 22 of steam outlet holes 20 distributed over the central and rear part of the sole 2 in two concentric networks separated by a strip of material 23 devoid of holes.

Les premier groupe 21 et second groupe 22 de trous de sortie de vapeur 20 sont respectivement alimentés en vapeur par une première chambre de diffusion 51 et une deuxième chambre de diffusion 52 ménagées sur la face inférieure du corps 5, les première et deuxième chambres de diffusion 51, 52 étant elle-même alimentées en vapeur par des orifices de distribution 50, 54 qui traversent le corps 5 et débouchent dans un circuit de distribution de vapeur ménagé sur la face supérieure du corps 5.The first group 21 and second group 22 of vapor outlet holes 20 are respectively supplied with vapor by a first diffusion chamber 51 and a second diffusion chamber 52 formed on the underside of the body 5, the first and second diffusion chambers 51, 52 itself being supplied with steam by distribution orifices 50, 54 which pass through the body 5 and open into a steam distribution circuit formed on the upper face of the body 5.

Conformément aux figures 2 et 3, les première et deuxième chambres de diffusion 51, 52 sont séparées l'une de l'autre par une nervure 59 en relief sur laquelle vient prendre appui un déflecteur 4 de vapeur rapporté sous le corps 5, le déflecteur 4 orientant le flux issu des orifices de distribution 50, 54 sensiblement perpendiculairement aux trous de sortie de vapeur 20.In accordance with figures 2 and 3 , the first and second diffusion chambers 51, 52 are separated from one another by a raised rib 59 on which rests a vapor deflector 4 attached under the body 5, the deflector 4 directing the flow from the distribution orifices 50, 54 substantially perpendicular to the vapor outlet holes 20.

Le déflecteur est avantageusement constitué par une plaque déflectrice 4 en acier inox d'une épaisseur de l'ordre de 0.8 mm qui s'étend en regard des orifices de distribution 50, 54 en présentant une forme de fer à cheval, la plaque déflectrice 4 comportant trois trous 40 de positionnement dans lesquels viennent s'engager des ergots 53A portés par le corps 5 et comprenant une face inférieure munie de quatre bossages 41 sur lesquels la semelle 2 vient prendre appui de manière à ce qu'il résulte une hauteur h1 de circulation, visible sur la figure 5, de l'ordre de 0,8 mm entre la semelle 2 et la plaque déflectrice 4.The deflector is advantageously constituted by a deflector plate 4 in stainless steel with a thickness of the order of 0.8 mm which extends opposite the distribution orifices 50, 54 in the shape of a horseshoe, the deflector plate 4 comprising three positioning holes 40 in which the lugs 53A carried by the body 5 engage and comprising a lower face provided with four bosses 41 on which the sole 2 comes to rest so that a height h 1 results traffic, visible on the figure 5 , of the order of 0.8 mm between the sole 2 and the deflector plate 4.

De manière avantageuse, les orifices de distribution 50, 54 débouchent dans une chambre d'expansion 50A, 54A ménagée sur la face inférieure du corps 5, en amont du déflecteur 4, la chambre d'expansion 50A, 54A présentant une plus grande section de passage que la section de passage des orifices de distribution 50, 54.Advantageously, the distribution orifices 50, 54 open into an expansion chamber 50A, 54A provided on the underside of the body 5, upstream of the deflector 4, the expansion chamber 50A, 54A having a larger cross section of passage than the passage section of the distribution orifices 50, 54.

La chambre d'expansion 54A est préférentiellement commune à plusieurs orifices de distribution 54 permettant ainsi d'obtenir de façon économique une chambre d'expansion de grand volume jouant le rôle d'un silencieux.The expansion chamber 54A is preferably common to several distribution orifices 54 thus making it possible to economically obtain a large-volume expansion chamber playing the role of a silencer.

Conformément à la figure 5, la plaque déflectrice 4 prend appui, au niveau de la deuxième chambre de diffusion 52, sur toute la périphérie de la chambre d'expansion 54A, à l'exception d'une zone d'échappement, constituée par un renfoncement 54B, par laquelle le flux de vapeur illustré par des flèches peut s'échapper, la plaque déflectrice 4 s'étendant parallèlement au renfoncement 54B, sur une longueur de l'ordre 2 à 5 mm, en définissant un espace pour le passage du flux de vapeur au niveau duquel la hauteur se réduit progressivement pour atteindre une hauteur h2 de l'ordre de 0,4 mm en bordure de la plaque déflectrice 4.In accordance with the figure 5 , the deflector plate 4 is supported, at the level of the second diffusion chamber 52, over the entire periphery of the expansion chamber 54A, with the exception of an exhaust zone, formed by a recess 54B, through which the vapor flow illustrated by arrows can escape, the deflector plate 4 extending parallel to the recess 54B, over a length of the order of 2 to 5 mm, defining a space for the passage of the vapor flow at the level of which the height is gradually reduced to reach a height h 2 of the order of 0.4 mm at the edge of the deflector plate 4.

Conformément à la figure 6, la plaque déflectrice 4 s'étend, au niveau de la première chambre de diffusion 51, en direction d'une zone d'échappement constituée par un renfoncement 50B ménagé à l'avant du corps 5, un espace pour le passage du flux de vapeur, d'une hauteur h3 de l'ordre de 0,4 mm, étant ménagé entre la plaque déflectrice 4 et le corps 5 au voisinage de la sortie de la chambre d'expansion 50A, cet espace s'étendant jusqu'au renfoncement 50B.In accordance with the figure 6 , the deflector plate 4 extends, at the level of the first diffusion chamber 51, in the direction of an exhaust zone formed by a recess 50B formed at the front of the body 5, a space for the passage of the flow of steam, with a height h 3 of the order of 0.4 mm, being provided between the deflector plate 4 and the body 5 in the vicinity of the outlet of the expansion chamber 50A, this space extending to recess 50B.

Conformément aux figures 4 et 7, les orifices de distribution 50, 54 de vapeur débouchent sur la face supérieure du corps 5 dans un circuit de distribution de vapeur délimité latéralement par une paroi périphérique 55 et des parois intermédiaires 56 obtenues directement de moulage avec le corps 5, le circuit de distribution de vapeur étant fermé dans sa partie supérieure par un couvercle 6, ce dernier étant rapporté par collage sur les parois 55, 56.In accordance with figures 4 and 7 , the steam distribution orifices 50, 54 open onto the upper face of the body 5 in a steam distribution circuit delimited laterally by a peripheral wall 55 and intermediate walls 56 obtained directly by molding with the body 5, the steam distribution circuit being closed in its upper part by a cover 6, the latter being attached by gluing to the walls 55, 56.

Le circuit de distribution de vapeur comporte un orifice 62 d'arrivée de vapeur ménagé dans le couvercle 6, cet orifice 62 présentant une faible section de passage et débouchant dans une première chambre de détente 11 du circuit de distribution de vapeur au niveau de laquelle la section de passage augmente fortement, cette première chambre de détente 11 étant disposée en bordure de la paroi périphérique 55, à proximité de la partie arrière du corps 5, et s'étendant au dessus d'une branche d'une résistance chauffante 7 en forme de U intégrée dans le corps 5.The steam distribution circuit comprises a steam inlet orifice 62 formed in the cover 6, this orifice 62 having a small passage section and opening into a first expansion chamber 11 of the steam distribution circuit at which the passage section increases sharply, this first expansion chamber 11 being arranged at the edge of the peripheral wall 55, near the rear part of the body 5, and extending above a branch of a heating resistor 7 in the form of of U integrated in the body 5.

La première chambre de détente 11 communique ensuite avec un canal de surchauffe 12 dont le rôle est de vaporiser l'intégralité des condensats encore présents dans le flux de vapeur, le canal de surchauffe 12 présentant une section de passage réduite, sensiblement constante, et serpentant dans le corps 5 sur une longueur avantageusement supérieure à 200 mm et préférentiellement de l'ordre de 300 mm. A cet effet, le canal de surchauffe 12 longe la partie arrière de la paroi périphérique 55 et serpente dans le volume du corps 5 disposé à côté de la première chambre de détente 11, en contournant un bossage 57 destiné à recevoir un thermostat de régulation de la résistance chauffante 7, puis débouche dans une deuxième chambre de détente 13, ménagée dans la partie centrale avant du corps 5, dont le rôle est de réduire au maximum la vitesse du flux de vapeur.The first expansion chamber 11 then communicates with an overheating channel 12, the role of which is to vaporize all of the condensates still present in the steam flow, the overheating channel 12 having a reduced, substantially constant, and meandering passage section. in the body 5 over a length advantageously greater than 200 mm and preferably of the order of 300 mm. To this end, the overheating channel 12 runs along the rear part of the peripheral wall 55 and winds through the volume of the body 5 arranged next to the first expansion chamber 11, bypassing a boss 57 intended to receive a control thermostat. the heating resistor 7, then opens into a second expansion chamber 13, provided in the front central part of the body 5, the role of which is to reduce the speed of the steam flow as much as possible.

De manière préférentielle, la première et la deuxième chambre de détente 11, 13 présentent une section de passage plus de trente fois supérieure à la section de passage de l'orifice 62 d'arrivée de vapeur et plus de dix fois supérieure à la somme des sections de passage des orifices de distribution 50, 54 de vapeur.Preferably, the first and second expansion chambers 11, 13 have a passage section more than thirty times greater than the passage section of the orifice 62 for the steam inlet and more than ten times greater than the sum of passage sections of the distribution orifices 50, 54 of steam.

A titre d'exemple la section de passage de l'orifice 62 d'arrivée de vapeur est de l'ordre de 10 mm2, la section de passage des chambres de détentes 11, 13 est de l'ordre de 500 mm2, la section de passage du canal de surchauffe 12 est de l'ordre de 80 mm2 et la section de passage cumulée des orifices de distribution de vapeur 50, 54 est de l'ordre de 40 mm2.By way of example, the passage section of the steam inlet orifice 62 is of the order of 10 mm 2 , the passage section of the expansion chambers 11, 13 is of the order of 500 mm 2 , the passage section of the overheating channel 12 is of the order of 80 mm 2 and the cumulative passage section of the steam distribution orifices 50, 54 is of the order of 40 mm 2 .

Afin de permettre la réalisation d'une première et d'une deuxième chambre de détente 11, 13 de grand volume dans un corps 5 présentant un encombrement latéral réduit, les première et deuxième chambres 11, 13 sont avantageusement ménagées en partie dans le volume du corps 5 et en partie dans une cavité 61, 63 formée dans le couvercle de fermeture 6, visible sur la figure 2.In order to allow the production of a first and a second expansion chamber 11, 13 of large volume in a body 5 having a reduced lateral size, the first and second chambers 11, 13 are advantageously provided in part in the volume of the body 5 and partly in a cavity 61, 63 formed in the closure cover 6, visible on the figure 2 .

De manière préférentielle, le circuit de distribution de vapeur comporte des plots 58, 65 en saillie formant des obstacles aux flux de vapeur circulant dans le circuit de distribution de vapeur, ces plots 58, 65 permettant de limiter les turbulences et donc le bruit dans le circuit de distribution de vapeur.Preferably, the steam distribution circuit comprises projecting studs 58, 65 forming obstacles to the flow of steam circulating in the steam distribution circuit, these studs 58, 65 making it possible to limit the turbulence and therefore the noise in the steam distribution circuit.

Ces plots 58, 65 présentent une forme arrondie et sont avantageusement équitablement répartis entre le corps 5 et le couvercle 6, la première chambre de détente 11 et la deuxième chambre de détente 13 comportant chacune plus d'une dizaine de plots 58 s'élevant en colonne depuis une surface supérieure du corps 5, les plots 58 étant distants les uns des autres de moins de 1 cm.These pads 58, 65 have a rounded shape and are advantageously distributed evenly between the body 5 and the cover 6, the first expansion chamber 11 and the second expansion chamber 13 each comprising more than ten pads 58 rising in column from an upper surface of the body 5, the studs 58 being spaced from each other by less than 1 cm.

Conformément aux figures 5 et 8, le couvercle 6 comporte avantageusement, en regard de chaque plot 58 du corps 5, un plot 65 s'étendant en direction du corps 5 depuis une surface inférieure du couvercle 6, un espace libre de quelques millimètres étant ménagé entre les extrémités supérieures des plots 58 supportés par le corps 5 et les extrémités inférieures des plots 65 du couvercle 6 de manière à ce qu'il résulte une couche d intermédiaire dans le circuit de distribution de vapeur dans laquelle la vapeur peut circuler sans rencontrer d'obstacles.In accordance with figures 5 and 8 , the cover 6 advantageously comprises, facing each stud 58 of the body 5, a stud 65 extending in the direction of the body 5 from a lower surface of the cover 6, a free space of a few millimeters being provided between the upper ends of the studs 58 supported by the body 5 and the lower ends of the studs 65 of the cover 6 so that an intermediate layer results in the steam distribution circuit in which the steam can circulate without encountering obstacles.

De manière préférentielle, les plots 58, 65 présentent une forme légèrement tronconique et une extrémité supérieure arrondie présentant un rayon supérieur à 1,5 mm, la hauteur des plots 58, 65 étant adaptée pour que la couche d démunie de tout obstacle soit plane et présente une épaisseur comprise entre 2 et 4 mm et préférentiellement de l'ordre de 2,5 mm.Preferably, the studs 58, 65 have a slightly frustoconical shape and a rounded upper end having a radius greater than 1.5 mm, the height of the studs 58, 65 being adapted so that the layer devoid of any obstacle is flat and has a thickness of between 2 and 4 mm and preferably of the order of 2.5 mm.

Dans ce mode particulier de réalisation de l'invention, la deuxième chambre de détente 13 communique avec un dispositif de répartition de vapeur permettant, de manière connue en soi, d'envoyer la vapeur soit vers l'ensemble des premier et second groupes de trous de sortie de vapeur 20 de la semelle, soit uniquement vers le premier groupe 21 de trous de sortie de vapeur de la semelle 2.In this particular embodiment of the invention, the second chamber of expansion 13 communicates with a vapor distribution device making it possible, in a manner known per se, to send the vapor either to all of the first and second groups of vapor outlet holes 20 of the sole, or only to the first group 21 of the sole 2 vapor outlet holes.

Le dispositif de répartition de vapeur, qui ne sera décrit que succinctement dans la suite de la description, reprend le principe de fonctionnement du dispositif de répartition de vapeur décrit en détail dans la demande de brevet EP2503052 .The vapor distribution device, which will only be described briefly in the remainder of the description, uses the operating principle of the vapor distribution device described in detail in the patent application. EP2503052 .

Ce dispositif de répartition de vapeur comporte notamment un conduit principal 16 reliant la deuxième chambre de détente 13 à une chambre de diffusion avant 14 qui alimente en vapeur le premier groupe 21 de trous de sortie de vapeur 20 par les orifices de distribution 50 et comporte une cheminée 16A verticale débouchant dans une chambre de répartition 17 de la vapeur communiquant avec deux chambres de distribution latérales 15 qui alimentent en vapeur le second groupe 22 de trous de sortie de vapeur 20 par les orifices de distribution 54.This vapor distribution device comprises in particular a main duct 16 connecting the second expansion chamber 13 to a front diffusion chamber 14 which supplies vapor to the first group 21 of vapor outlet holes 20 through the distribution orifices 50 and comprises a vertical chimney 16A opening into a steam distribution chamber 17 communicating with two lateral distribution chambers 15 which supply steam to the second group 22 of steam outlet holes 20 through the distribution orifices 54.

Le dispositif de répartition de vapeur comporte également un joint 9 hémisphérique qui, au repos, occupe la position illustrée en trait plein sur la figure 8, dans laquelle la vapeur en provenance de la deuxième chambre de détente 13 passe librement par le conduit principal 16 et par la cheminée 16A verticale puis est diffusée vers les premier et second groupes 21, 22 de trous de sortie de vapeur 20.The vapor distribution device also comprises a hemispherical seal 9 which, at rest, occupies the position shown in solid lines on the figure 8 , in which the steam from the second expansion chamber 13 passes freely through the main duct 16 and through the vertical chimney 16A then is diffused towards the first and second groups 21, 22 of steam outlet holes 20.

En appuyant sur un bouton 30 disposé à l'avant de la poignée du fer à repasser 1, le joint 9 est déplacé dans une position illustrée en pointillée sur la figure 8, dans laquelle le joint 9 obture la sortie de la cheminée verticale 16A et empêche la diffusion de vapeur vers le second groupe 22 de trous de sortie de vapeur 21 permettant ainsi d'envoyer l'intégralité du flux de vapeur vers le premier groupe 21 de trous sortie de vapeur 20 situé à l'avant de la semelle.By pressing a button 30 disposed at the front of the handle of the iron 1, the seal 9 is moved to a position shown in dotted lines on the figure. figure 8 , in which the seal 9 closes the outlet of the vertical chimney 16A and prevents the diffusion of steam towards the second group 22 of steam outlet holes 21 thus making it possible to send the entire flow of steam to the first group 21 of steam outlet holes 20 located at the front of the sole.

L'appareil de repassage ainsi réalisé présente l'avantage de comporter un circuit de distribution de la vapeur permettant la diffusion de jets de vapeur au travers de la semelle avec un débit supérieur à 70 gr/min sans engendrer un bruit important.The ironing appliance thus produced has the advantage of comprising a steam distribution circuit allowing the diffusion of jets of steam through the sole with a flow rate greater than 70 g / min without generating significant noise.

En effet, la plaque déflectrice 4 disposée en regard des orifices de distribution 50, 54 présente l'avantage d'orienter le flux sensiblement parallèlement à la semelle 2, ainsi que cela est illustré par les flèches sur les figures 5 et 6, de sorte que le flux circule perpendiculairement aux trous de sortie de vapeur 20 de la semelle, ce qui permet de limiter le bruit des jets de vapeur.Indeed, the deflector plate 4 disposed opposite the distribution orifices 50, 54 has the advantage of orienting the flow substantially parallel to the sole 2, as is illustrated by the arrows on the figures 5 and 6 , so that the flow circulates perpendicularly to the vapor outlet holes 20 of the sole, which makes it possible to limit the noise of the vapor jets.

Une telle orientation du flux de vapeur permet également d'obtenir une très bonne répartition de la vapeur dans les première et deuxième chambres de diffusion et donc au travers des différents trous de sortie de vapeur de la semelle, la vapeur sortant ainsi avec une vitesse homogène par chacun des trous de sortie de vapeur, ce qui permet une humidification optimale du linge.Such an orientation of the vapor flow also makes it possible to obtain a very good distribution of the vapor in the first and second diffusion chambers and therefore through the various vapor outlet holes of the soleplate, the vapor thus leaving with a homogeneous speed. through each of the steam outlet holes, which allows optimal humidification of the laundry.

Enfin, la plaque déflectrice 4 permet de limiter les turbulences à la sortie de la chambre d'expansion 50A, 54A, en orientant le flux de vapeur parallèlement à la semelle 2. La plaque déflectrice 4 permet également de limiter le phénomène de sifflet se produisant lorsque le fluide travers successivement au moins deux ouvertures de section de passage similaire.Finally, the deflector plate 4 makes it possible to limit the turbulence at the outlet of the expansion chamber 50A, 54A, by directing the flow of steam parallel to the sole 2. The deflector plate 4 also makes it possible to limit the whistle phenomenon occurring. when the fluid passes successively through at least two openings of similar passage section.

Les plots en saillie dans le circuit de distribution, de part et d'autre du flux de vapeur, contribuent également à réduire le bruit lors de l'émission du flux de vapeur en réduisant les turbulences.The protruding studs in the distribution circuit, on either side of the vapor flow, also contribute to reducing the noise during the emission of the vapor flow by reducing turbulence.

Dans une variante de réalisation illustrée sur la figure 9, le fer à repasser pourra également comporter un élément 8 poreux et déformable qui sera disposé dans le volume compris entre la plaque déflectrice 4 et le corps 5, cet élément 8 pouvant par exemple être constitué par un amas de ruban ou de fils en inox, par un feutre en inox ou par un feutre en fibres pré-oxydées.In an alternative embodiment illustrated on figure 9 , the iron may also include a porous and deformable element 8 which will be placed in the volume between the deflector plate 4 and the body 5, this element 8 being able for example to consist of a mass of ribbon or stainless steel wires, with a stainless steel felt or a pre-oxidized fiber felt.

Un tel élément 8 poreux et déformable présente l'avantage de limiter encore le bruit du flux de vapeur, en augmentant toutefois les pertes de charges.Such a porous and deformable element 8 has the advantage of further limiting the noise of the vapor flow, while increasing the pressure drops.

Bien entendu, l'invention, tel que définie par la revendication 1, 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, as defined by claim 1, is in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Ainsi, dans une autre variante de réalisation non représentée, le fer à repasser pourra être démuni du dispositif de répartition de vapeur, la vapeur en sortie de la deuxième chambre étant envoyée en permanence vers l'ensemble des trous de sortie de la vapeur.Thus, in another variant embodiment not shown, the iron may be stripped of the steam distribution device, the steam leaving the second chamber being sent permanently to all the steam outlet holes.

Claims (12)

  1. Steam ironing appliance comprising a pressurized steam generator (102), comprising a vessel for producing steam at a pressure greater than 4 bar, and an iron (1) comprising a flat sole plate (2) provided with steam outlet holes (20), the steam outlet holes (20) being supplied by at least one steam diffusion chamber (51, 52) arranged on lower face of a body (5) mounted on the sole plate (2), the body (5) comprising an upper face comprising a steam distribution circuit conveying a steam flow produced by the steam generator (102) towards distribution orifices (50, 54) passing through the body (5) and communicating with said steam diffusion chamber (51, 52), characterised in that the iron (1) comprises a steam flow deflector (4) interposed between the body (5) and the sole plate (2), facing at least one of the steam distribution orifices (50, 54), said deflector (4) comprising a deflector plate (4), which is mounted between the lower face of the body (5) and the sole plate (2) and which deflects the steam flow originating from said distribution orifice (50, 54) to direct it in a direction approaching the plane of the sole plate (2).
  2. Ironing appliance according to claim 1, characterised in that the deflector (4) extends facing all the steam distribution orifices (50, 54) passing through the body (5) so as to deflect the steam flow originating from each of the distribution orifices (50, 54) in a direction approaching the plane of the sole plate (2).
  3. Ironing appliance according to any of claims 1 to 2, characterised in that said deflector (4) deflects the flow in a direction substantially parallel to the sole plate (2).
  4. Ironing appliance according to any of claims 1 to 3, characterised in that the distribution orifices (50, 54) open into an expansion chamber (50A, 54A) arranged on the lower face of the body (5) and in that the deflector (4) is arranged downstream of the expansion chamber (50A, 54A).
  5. Ironing appliance according to claim 4, characterised in that the deflector plate (4) extends parallel to the sole plate (2).
  6. Ironing appliance according to any of claims 1 to 5, characterised in that the steam flow circulates in a space formed between the lower face of the body (5) and the deflector plate (4) and in that the deflector plate (4) cooperates with the lower face of the body (5) to locally restrict the height of said space until it locally reaches a height of less than 1 mm and advantageously of the order of 0.4 mm.
  7. Ironing appliance according to any of claims 4 to 6, characterised in that a porous and deformable element (8) is interposed between the deflector plate (4) and the body (5).
  8. Ironing appliance according to any of claims 1 to 7, characterised in that the body (5) is a casting incorporating a heating resistor (7).
  9. Ironing appliance according to any of claims 1 to 8, characterised in that the body (5) is closed at the top by a lid (6) and in that the steam distribution circuit comprises at least one expansion chamber (11, 13) comprising protruding studs (58) borne by the body (5) and protruding studs (65) borne by the lid (6).
  10. Ironing appliance according to claim 9, characterised in that said protruding studs (58, 65) have a rounded contour, the stud contour having a minimum radius of curvature of 1.5 mm.
  11. Appliance according to any of claims 9 to 10, characterised in that the studs (58, 65) have a frustoconical or cylindrical revolution shape.
  12. Steam ironing appliance according to any of claims 9 to 11, characterised in that an intermediate layer (d), lacking any obstacles, is arranged between the studs (58, 65) protruding from the two surfaces.
EP14151640.1A 2013-01-22 2014-01-17 Steam ironing appliance comprising a steam generator and an iron Active EP2757190B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1350567A FR3001233A1 (en) 2013-01-22 2013-01-22 Steam-ironing apparatus, has iron including steam deflector interposed between body and sole with respect to distribution opening, where deflector deviates steam flow from openings to direct steam along direction approaching plane of sole
FR1352931A FR3001234B1 (en) 2013-01-22 2013-03-29 STEAM IRONING APPARATUS COMPRISING A STEAM GENERATOR AND AN IRON

Publications (3)

Publication Number Publication Date
EP2757190A2 EP2757190A2 (en) 2014-07-23
EP2757190A3 EP2757190A3 (en) 2017-11-08
EP2757190B1 true EP2757190B1 (en) 2021-12-08

Family

ID=49943282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14151640.1A Active EP2757190B1 (en) 2013-01-22 2014-01-17 Steam ironing appliance comprising a steam generator and an iron

Country Status (5)

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EP (1) EP2757190B1 (en)
CN (1) CN103938425B (en)
CA (1) CA2836720C (en)
FR (1) FR3001234B1 (en)
RU (1) RU2644741C2 (en)

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CN106609455B (en) * 2015-10-23 2021-01-08 Seb公司 Steam ironing apparatus comprising a base connected to an ironing head by means of a conduit
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FR3060033B1 (en) * 2016-12-13 2018-11-23 Seb S.A. IRON WITH IRONING SURFACE, HEATING SOLE AND VAPORIZATION CHAMBER
CN213061454U (en) * 2020-06-23 2021-04-27 漳州灿坤实业有限公司 Electric heating disc structure of iron and iron
CN116145359B (en) * 2023-04-17 2023-06-30 河南洋荣服饰有限公司 Automatic feeding device for clothing production

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Also Published As

Publication number Publication date
FR3001234A1 (en) 2014-07-25
RU2644741C2 (en) 2018-02-13
CA2836720C (en) 2020-04-14
CN103938425A (en) 2014-07-23
CA2836720A1 (en) 2014-07-22
CN103938425B (en) 2018-04-17
FR3001234B1 (en) 2015-12-25
RU2014101568A (en) 2015-07-27
EP2757190A3 (en) 2017-11-08
EP2757190A2 (en) 2014-07-23

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