EP1328677A1 - Iron with surge steam function - Google Patents

Iron with surge steam function

Info

Publication number
EP1328677A1
EP1328677A1 EP01974581A EP01974581A EP1328677A1 EP 1328677 A1 EP1328677 A1 EP 1328677A1 EP 01974581 A EP01974581 A EP 01974581A EP 01974581 A EP01974581 A EP 01974581A EP 1328677 A1 EP1328677 A1 EP 1328677A1
Authority
EP
European Patent Office
Prior art keywords
chamber
steam
vapor
sole
iron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01974581A
Other languages
German (de)
French (fr)
Other versions
EP1328677B1 (en
Inventor
Harald Walther
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rowenta Werke GmbH
Original Assignee
Rowenta Werke GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rowenta Werke GmbH filed Critical Rowenta Werke GmbH
Publication of EP1328677A1 publication Critical patent/EP1328677A1/en
Application granted granted Critical
Publication of EP1328677B1 publication Critical patent/EP1328677B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D06F75/18—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/38—Sole plates

Definitions

  • the present invention relates to steam irons having two separate instantaneous vaporization chambers of water and each associated with a steam circuit which ends in a set of steam distribution orifices under the soleplate of the iron.
  • the manufacturers had to choose between a continuous vaporization with an evacuation of the vapor distributed on the face of ironing, or a brutal vaporization under pressure, the vapor outlet can be concentrated in a weaker area of the sole, for example at the tip of the sole as shown for example by patent US2700236.
  • Patent EP0342302 describes an iron comprising first and second steam chambers, the second of which is near the tip of the sole and its set of orifices is concentrated at the tip of the sole.
  • the iron works according to a conventional ironing mode with the first chamber and in an instant surplus steam mode called over-steam, using the second steam chamber, the latter mode being more particularly useful for smoothing difficult areas of the ironed fabric. .
  • Patent EP0621365 is also known which describes a similar iron comprising two vaporization chambers associated with two series of orifices in the ironing surface.
  • Neighboring patent FR2740787 specifies the position of the second chamber and the associated vapor holes at the front of the sole.
  • an iron having a soleplate with a heating body provided with a heating element, the heating body comprising a first vaporization chamber used for current ironing and a second independent vaporization chamber used for obtain a surplus of steam, each of the chambers being associated with a steam circuit ending in a set of steam orifices in the sole, characterized in that the second steam circuit associated with the second chamber comprises along the heating element above the heating body an upper channel directed from the chamber towards the rear of the soleplate connected to a lower channel going from the rear to the tip of the soleplate situated under the heating body of the soleplate.
  • the steam path is thus lengthened before it leaves the ironed linen.
  • the heat exchanges between the steam and the soleplate have better time to operate and the evaporation of all the drops of water is better ensured.
  • the vapor circuit of the second chamber is isolated from the evaporation walls of the first chamber by an air knife.
  • the second vaporization chamber is in the axis of the sole and the vapor circuit comprises second upper and lower channels, substantially symmetrical to the first.
  • the lower channels meet in their end portion towards the tip of the sole. This ensures pressure balance in the lower channels to obtain a uniform spray on the laundry.
  • the steam orifices associated with the second chamber of the heating body open into the soleplate along the lower channels and into their terminal part.
  • the ironed area concerned by the excess steam can thus be extended by a suitable layout of the lower channels.
  • the terminal junction of the lower channels is extended by an enlarged channel. This arrangement makes it possible to have more steam holes opening into the terminal part of the lower channels where the steam is best reheated.
  • FIG. 1 is an exploded perspective view of an iron sole assembly according to the invention visible from above, comprising:
  • Figure 1a which is a detail of Figure 1 showing the sole of an iron according to the invention seen in perspective partially from above.
  • Figure 1b which is a detail of Figure 1 showing the heating body of the soleplate of Figure 1 seen in perspective partially from above.
  • Figure 1c which is a detail of Figure 1 showing the closure plate of an iron vaporization chamber of Figure 1 viewed in perspective partially from above.
  • Figure 1 d which is a detail of Figure 1 showing the closure plate of another steam chamber of the iron of Figure 1 viewed in perspective partially from above.
  • FIG. 2 is an exploded perspective view of the iron sole assembly of FIG. 1 visible from below, comprising:
  • Figure 2a which is a detail of Figure 2 showing the soleplate of Figure 2 in perspective view partially from below.
  • Figure 2b which is a detail of Figure 2 showing the heating body of the soleplate of Figure 2 seen in perspective partially from below.
  • Figure 2c which is a detail of Figure 2 showing the closure plate of an iron vaporization chamber of Figure 2 viewed in perspective partially from below.
  • Figure 2d which is a detail of Figure 2 showing the closure plate of another steam chamber of the iron of Figure 2 viewed in perspective partially from below.
  • the steam iron pointed at the front, has a sole assembly visible in FIGS. 1 and 2.
  • This sub-assembly conventionally located below the water tank of the iron comprises a sole 1, a heating body 2, a closure plate 3, and another closure plate 4.
  • the sole 1 is made of stamped sheet metal to have the edges 100 raised; the underside 101 substantially flat and visible in Figure 2, is the ironing face.
  • the heating body 2 comprising a resistive heating element 201 bent in a horseshoe adapts in known manner on the internal face 102 of the soleplate to be mechanically and thermally bonded to it. At least one boss 202 is provided to receive a temperature regulation thermostat.
  • the heating body 2 has in its upper part a first vaporization chamber 210 of large dimensions and closed by the closure plate 3. The water from the reservoir drips into this chamber 210 through the orifice 301 of the plate 3, vaporizes, and the vapor distributed by channels 211 passes through the body 2 to exit therefrom on the fabric ironed by the holes 212 and the corresponding holes 103 of the sole 1.
  • the vaporization chamber 210 receiving water drop by drop produces steam for normal and conventional ironing and its operation is known.
  • the heating body 2 also comprises, at the front of its upper part, a second vaporization chamber 220 surrounded by the vapor circuit previously described and closed by the plate 4.
  • This vapor chamber limited by ribs 221 is located in the axis from sole to elbow of the heating element 201.
  • Two baffled channels 222 extend this second chamber along, towards the rear of the soleplate, the heating element 201 and are connected at their end by a hole vertically passing through the body 2 with two channels 223 located under the heating body. These channels 223 run along the heating element 201 and then meet at the front of the iron where they are extended by an enlarged channel 224.
  • a deep groove 225 runs along the walls of the chamber 210 near which the water vaporizes drop by drop.
  • This groove 225 immobilizes an air gap.
  • Chamber 210 is thermally insulated by this air gap from chamber 220 and its vapor circuit 221.
  • An orifice 302 is formed in the plate 3 and an orifice 401 is formed in the plate 4, these orifices allowing the introduction of a water inlet tube into the vaporization chamber 220.
  • the water arrives under pressure due to the operator's action on a pump.
  • the steam circuit associated with the second chamber 220 is thus completely independent of the vapor circuit associated with the first vaporization chamber 210.
  • she controls the pump associated with the second steam chamber 220.
  • the water suddenly arrives in this chamber and vaporizes thanks to the heat accumulated in the mass of the iron and thanks to the heating element.
  • 201 located immediately below the chamber 220. Even if the iron has previously been used for a long time in normal steam, the chamber 220 and its vapor channels are hot because they are isolated from the chamber 210 by the groove 225.
  • the steam is escapes in the baffled channels 222 situated above the heating element in a massive part of the body 2, by carrying drops with it.
  • the lower channels 223 meet at their end where the steam is dry, which balances the steam pressures and homogenizes the action on the laundry.
  • the combined channels can without drawback be extended by a single channel capable of involving steam holes 104 situated in places where two channels would not be justified and would not have their place such as at the front of the iron.

Abstract

The second vapor circuit of the second vaporizing chamber has, along the heating element (201), and located at the top of the heating body, a top channel (222) directed from the chamber towards the rear of the sole plate, and connected to the bottom channel (223) going from the rear towards the point of the sole plate, situated under the heating body of the sole plate. The iron has a heating unit (2) with a heater element, this heating unit also having a first vaporizing chamber (210) used for normal ironing, and a second independent vaporizing chamber (220) used for obtaining a surplus of vapor, each of these chambers having a vapor circuit ending in a set of vapor orifices in the sole plate.

Description

FERAVEC FONCTION DE SURPLUS DE VAPEUR FERAVECAPLE SURPLUS FUNCTION
La présente invention concerne les fers à repasser à vapeur ayant deux chambres de vaporisation instantanée de l'eau séparées et associées chacune à un circuit de vapeur qui se termine par un jeu d'orifices de distribution de vapeur sous la semelle du fer.The present invention relates to steam irons having two separate instantaneous vaporization chambers of water and each associated with a steam circuit which ends in a set of steam distribution orifices under the soleplate of the iron.
Alors que les premiers fers à vapeur ne disposaient que d'une seule chambre de vaporisation, les constructeurs devaient choisir entre une vaporisation continue avec une évacuation de la vapeur répartie sur la face de repassage, ou une vaporisation brutale sous pression, la sortie de vapeur pouvant être concentrée dans une zone plus faible de la semelle, par exemple à la pointe de la semelle comme le montre par exemple le brevet US2700236.Whereas the first steam irons had only one vaporization chamber, the manufacturers had to choose between a continuous vaporization with an evacuation of the vapor distributed on the face of ironing, or a brutal vaporization under pressure, the vapor outlet can be concentrated in a weaker area of the sole, for example at the tip of the sole as shown for example by patent US2700236.
Les constructions plus récentes de fers avec deux chambres de vaporisation séparées permettent les deux modes de fonctionnement très différents grâce à la spécialisation de chaque chambre de vaporisation dans un mode déterminé.The more recent constructions of irons with two separate vaporization chambers allow the two very different operating modes thanks to the specialization of each vaporization chamber in a specific mode.
Le brevet EP0342302, par exemple, décrit un fer comportant une première et une deuxième chambres de vapeur, dont la deuxième est à proximité de la pointe de la semelle et son jeu d'orifices est concentré à la pointe de la semelle. Le fer fonctionne suivant un mode de repassage conventionnel avec la première chambre et en un mode de surplus de vapeur instantané dit sur-vapeur, en utilisant la deuxième chambre de vapeur, ce dernier mode étant plus particulièrement utile pour défroisser des endroits difficiles du tissu repassé.Patent EP0342302, for example, describes an iron comprising first and second steam chambers, the second of which is near the tip of the sole and its set of orifices is concentrated at the tip of the sole. The iron works according to a conventional ironing mode with the first chamber and in an instant surplus steam mode called over-steam, using the second steam chamber, the latter mode being more particularly useful for smoothing difficult areas of the ironed fabric. .
On connaît aussi le brevet EP0621365 qui décrit un fer similaire comportant deux chambres de vaporisation associées à deux séries d'orifices dans la surface de repassage. Le brevet voisin FR2740787 précise la position de la deuxième chambre et des trous de vapeur associés à l'avant de la semelle.Patent EP0621365 is also known which describes a similar iron comprising two vaporization chambers associated with two series of orifices in the ironing surface. Neighboring patent FR2740787 specifies the position of the second chamber and the associated vapor holes at the front of the sole.
Mais la deuxième chambre recevant brutalement une quantité d'eau importante à évaporer est nécessairement concentrée à l'avant de la semelle pour laisser suffisamment de place à la vaporisation normale, ce qui conduit cette deuxième chambre à disposer seulement d'un circuit de vapeur tortueux et passant à proximité des parois d'évaporation de la première chambre ou trop court. Un tel circuit qui s'éloigne de l'élément chauffant réchauffe mal la vapeur, ce qui ne garantit pas une totale évaporation de toutes les gouttelettes d'eau, spécialement quand l'utilisatrice se sert beaucoup d'une des fonctions de vaporisation normale ou de sur-vapeur avant d'utiliser l'autre fonction de vaporisation. L'invention qui suit pallie à ces inconvénients.But the second chamber suddenly receiving a large amount of water to evaporate is necessarily concentrated at the front of the soleplate to leave enough room for normal vaporization, which leads this second chamber to have only a tortuous steam circuit and passing near the evaporation walls of the first chamber or too short. Such circuit which moves away from the heating element does not heat the steam well, which does not guarantee total evaporation of all the water droplets, especially when the user uses a lot of the normal or over-steam functions -vapor before using the other spray function. The following invention overcomes these drawbacks.
Le but de l'invention est atteint par un fer à repasser ayant une semelle avec un corps chauffant muni d'un élément chauffant, le corps chauffant comprenant une première chambre de vaporisation utilisée pour le repassage courant et une deuxième chambre de vaporisation indépendante utilisée pour obtenir un surplus de vapeur, chacune des chambres étant associée à un circuit de vapeur se terminant par un jeu d'orifices de vapeur dans la semelle, caractérisé en ce que le deuxième circuit de vapeur associé à la deuxième chambre comporte le long de l'élément chauffant au dessus du corps chauffant un canal supérieur dirigé de la chambre vers l'arrière de la semelle relié à un canal inférieur allant de l'arrière vers la pointe de la semelle situé sous le corps chauffant de la semelle.The object of the invention is achieved by an iron having a soleplate with a heating body provided with a heating element, the heating body comprising a first vaporization chamber used for current ironing and a second independent vaporization chamber used for obtain a surplus of steam, each of the chambers being associated with a steam circuit ending in a set of steam orifices in the sole, characterized in that the second steam circuit associated with the second chamber comprises along the heating element above the heating body an upper channel directed from the chamber towards the rear of the soleplate connected to a lower channel going from the rear to the tip of the soleplate situated under the heating body of the soleplate.
Le trajet de la vapeur est ainsi allongé avant sa sortie sur le linge repassé. Les échanges de chaleur entre la vapeur et la semelle ont mieux le temps de s'opérer et l'évaporation de toutes les gouttes d'eau est mieux assurée.The steam path is thus lengthened before it leaves the ironed linen. The heat exchanges between the steam and the soleplate have better time to operate and the evaporation of all the drops of water is better ensured.
De préférence le circuit de vapeur de la deuxième chambre est isolé des parois d' évaporation de la première chambre par une lame d'air.Preferably the vapor circuit of the second chamber is isolated from the evaporation walls of the first chamber by an air knife.
L'usage de la vaporisation continue dans la première chambre ne refroidit pas la deuxième chambre ni ses canaux maintenus chauds pour pouvoir obtenir un surplus de vapeur efficace à tout moment.The use of continuous vaporization in the first chamber does not cool the second chamber or its channels kept hot in order to be able to obtain an effective surplus of vapor at all times.
De préférence, la deuxième chambre de vaporisation est dans l'axe de la semelle et le circuit de vapeur comporte des deuxièmes canaux supérieur et inférieur, sensiblement symétriques aux premiers.Preferably, the second vaporization chamber is in the axis of the sole and the vapor circuit comprises second upper and lower channels, substantially symmetrical to the first.
On profite ainsi de la symétrie du corps chauffant de la semelle et de son élément chauffant pour augmenter efficacement les échanges thermiques.This takes advantage of the symmetry of the heating body of the soleplate and its heating element to effectively increase heat exchange.
De préférence les canaux inférieurs se rejoignent dans leur partie terminale vers la pointe de la semelle. On assure ainsi l'équilibre des pressions dans les canaux inférieurs pour obtenir une vaporisation homogène sur le linge.Preferably the lower channels meet in their end portion towards the tip of the sole. This ensures pressure balance in the lower channels to obtain a uniform spray on the laundry.
De préférence les orifices de vapeur associés à la deuxième chambre du corps chauffant débouchent dans la semelle le long des canaux inférieurs et dans leur partie terminale.Preferably, the steam orifices associated with the second chamber of the heating body open into the soleplate along the lower channels and into their terminal part.
La zone repassée concernée par le surplus de vapeur peut ainsi être étendue par un tracé adapté des canaux inférieurs.The ironed area concerned by the excess steam can thus be extended by a suitable layout of the lower channels.
De préférence la jonction terminale des canaux inférieurs est prolongée par un canal élargi. Cette disposition permet de disposer plus de trous de vapeur débouchant dans la partie terminale des canaux inférieurs où la vapeur est la mieux réchauffée.Preferably the terminal junction of the lower channels is extended by an enlarged channel. This arrangement makes it possible to have more steam holes opening into the terminal part of the lower channels where the steam is best reheated.
L'invention sera mieux comprise au vu des exemples ci après et des dessins annexés.The invention will be better understood on the basis of the examples below and the attached drawings.
La figure 1 est une vue éclatée en perspective d'un ensemble de semelle de fer selon l'invention visible de dessus, comprenant :FIG. 1 is an exploded perspective view of an iron sole assembly according to the invention visible from above, comprising:
. La figure 1 a qui est un détail de la figure 1 montrant la semelle d'un fer selon l'invention vue en perspective partiellement de dessus.. Figure 1a which is a detail of Figure 1 showing the sole of an iron according to the invention seen in perspective partially from above.
. La figure 1 b qui est un détail de la figure 1 montrant le corps chauffant de la semelle du fer de la figure 1 vu en perspective partiellement de dessus. . La figure 1c qui est un détail de la figure 1 montrant la plaque de fermeture d'une chambre de vaporisation du fer de la figure 1 vue en perspective partiellement de dessus.. Figure 1b which is a detail of Figure 1 showing the heating body of the soleplate of Figure 1 seen in perspective partially from above. . Figure 1c which is a detail of Figure 1 showing the closure plate of an iron vaporization chamber of Figure 1 viewed in perspective partially from above.
. La figure 1 d qui est un détail de la figure 1 montrant la plaque de fermeture d'une autre chambre de vaporisation du fer de la figure 1 vue en perspective partiellement de dessus.. Figure 1 d which is a detail of Figure 1 showing the closure plate of another steam chamber of the iron of Figure 1 viewed in perspective partially from above.
La figure 2 est une vue éclatée en perspective de l'ensemble de semelle de fer de la figure 1 visible de dessous, comprenant :FIG. 2 is an exploded perspective view of the iron sole assembly of FIG. 1 visible from below, comprising:
. La figure 2a qui est un détail de la figure 2 montrant la semelle du fer de la figure 2 vue en perspective partiellement de dessous. . La figure 2b qui est un détail de la figure 2 montrant le corps chauffant de la semelle du fer de la figure 2 vu en perspective partiellement de dessous.. Figure 2a which is a detail of Figure 2 showing the soleplate of Figure 2 in perspective view partially from below. . Figure 2b which is a detail of Figure 2 showing the heating body of the soleplate of Figure 2 seen in perspective partially from below.
. La figure 2c qui est un détail de la figure 2 montrant la plaque de fermeture d'une chambre de vaporisation du fer de la figure 2 vue en perspective partiellement de dessous.. Figure 2c which is a detail of Figure 2 showing the closure plate of an iron vaporization chamber of Figure 2 viewed in perspective partially from below.
. La figure 2d qui est un détail de la figure 2 montrant la plaque de fermeture d'une autre chambre de vaporisation du fer de la figure 2 vue en perspective partiellement de dessous.. Figure 2d which is a detail of Figure 2 showing the closure plate of another steam chamber of the iron of Figure 2 viewed in perspective partially from below.
Dans une version préférée de l'invention, le fer à repasser à vapeur, de forme pointue à l'avant, comporte un ensemble de semelle visible dans les figures 1 et 2 . Ce sous ensemble situé classiquement au dessous du réservoir d'eau du fer à repasser comporte une semelle 1 , un corps chauffant 2, une plaque de fermeture 3, et une autre plaque de fermeture 4.In a preferred version of the invention, the steam iron, pointed at the front, has a sole assembly visible in FIGS. 1 and 2. This sub-assembly conventionally located below the water tank of the iron comprises a sole 1, a heating body 2, a closure plate 3, and another closure plate 4.
La semelle 1 est en tôle emboutie pour avoir les bords 100 relevés; la face inférieure 101 sensiblement plane et visible en figure 2, est la face de repassage.The sole 1 is made of stamped sheet metal to have the edges 100 raised; the underside 101 substantially flat and visible in Figure 2, is the ironing face.
Le corps chauffant 2 comprenant un élément chauffant résistif 201 cintré en fer à cheval s'adapte de façon connue sur la face interne 102 de la semelle pour lui être mécaniquement et thermiquement lié. Un bossage 202 au moins est prévu pour recevoir un thermostat de régulation de température. Le corps chauffant 2 comporte dans sa partie supérieure une première chambre de vaporisation 210 de grandes dimensions et fermée par la plaque de fermeture 3. L'eau du réservoir arrive goutte à goutte dans cette chambre 210 par l'orifice 301 de la plaque 3, se vaporise, et la vapeur distribuée par des canaux 211 traverse le corps 2 pour en sortir sur le tissu repassé par les trous 212 et les trous correspondants 103 de la semelle 1.The heating body 2 comprising a resistive heating element 201 bent in a horseshoe adapts in known manner on the internal face 102 of the soleplate to be mechanically and thermally bonded to it. At least one boss 202 is provided to receive a temperature regulation thermostat. The heating body 2 has in its upper part a first vaporization chamber 210 of large dimensions and closed by the closure plate 3. The water from the reservoir drips into this chamber 210 through the orifice 301 of the plate 3, vaporizes, and the vapor distributed by channels 211 passes through the body 2 to exit therefrom on the fabric ironed by the holes 212 and the corresponding holes 103 of the sole 1.
La chambre de vaporisation 210 recevant de l'eau goutte à goutte produit la vapeur pour un repassage normal et classique et son fonctionnement est connu.The vaporization chamber 210 receiving water drop by drop produces steam for normal and conventional ironing and its operation is known.
Le corps chauffant 2 comporte aussi à l'avant de sa partie supérieure une deuxième chambre de vaporisation 220 entourée par le circuit de vapeur précédemment décrit et fermée par la plaque 4. Cette chambre de vapeur limitée par des nervures 221 est située dans l'axe de la semelle au dessus d'un coude de l'élément chauffant 201. Deux canaux chicanés 222 prolongent cette deuxième chambre en longeant, vers l'arrière de la semelle, l'élément chauffant 201 et sont reliés à leur extrémité par un trou traversant verticalement le corps 2 à deux canaux 223 situés sous le corps chauffant. Ces canaux 223 longent l'élément chauffant 201 puis se rejoignent à l'avant du fer où ils se prolongent par un canal 224 élargi.The heating body 2 also comprises, at the front of its upper part, a second vaporization chamber 220 surrounded by the vapor circuit previously described and closed by the plate 4. This vapor chamber limited by ribs 221 is located in the axis from sole to elbow of the heating element 201. Two baffled channels 222 extend this second chamber along, towards the rear of the soleplate, the heating element 201 and are connected at their end by a hole vertically passing through the body 2 with two channels 223 located under the heating body. These channels 223 run along the heating element 201 and then meet at the front of the iron where they are extended by an enlarged channel 224.
Avantageusement, une gorge profonde 225, fermée par la plaque 4, longe les parois de la chambre 210 près desquelles l'eau se vaporise goutte à goutte. Cette gorge 225 immobilise une lame d'air. La chambre 210 se trouve thermiquement isolée par cette lame d'air de la chambre 220 et de son circuit de vapeur 221.Advantageously, a deep groove 225, closed by the plate 4, runs along the walls of the chamber 210 near which the water vaporizes drop by drop. This groove 225 immobilizes an air gap. Chamber 210 is thermally insulated by this air gap from chamber 220 and its vapor circuit 221.
Un orifice 302 est ménagé dans la plaque 3 et un orifice 401 est ménagé dans la plaque 4, ces orifices permettant l'introduction d'un tube d'arrivée d'eau dans la chambre de vaporisation 220. De préférence l'eau arrive sous une pression due à l'action de l'opératrice sur une pompe.An orifice 302 is formed in the plate 3 and an orifice 401 is formed in the plate 4, these orifices allowing the introduction of a water inlet tube into the vaporization chamber 220. Preferably the water arrives under pressure due to the operator's action on a pump.
Dans la semelle 1 des trous de sortie de vapeur 104 sont en correspondance avec les canaux 223 et 224. Le circuit de vapeur associé à la deuxième chambre 220 est ainsi totalement indépendant du circuit de vapeur associé à la première chambre 210 de vaporisation. Lorsque l'opératrice désire un surplus de vapeur elle commande la pompe associée à la deuxième chambre de vapeur 220. L'eau arrive brutalement dans cette chambre et se vaporise grâce à la chaleur accumulée dans la masse du fer et grâce à l'élément chauffant 201 situé immédiatement au dessous de la chambre 220. Même si le fer a précédemment été utilisé longtemps en vapeur normale, la chambre 220 et ses canaux de vapeur sont chauds car ils sont isolés de la chambre 210 par la gorge 225. La vapeur s'échappe dans les canaux chicanés 222 situés au dessus de l'élément chauffant dans une partie massive du corps 2, en entraînant des gouttes avec elle. Mais grâce au développement en longueur des canaux, et à leur protection thermique par la gorge 225, ces gouttes s'y vaporisent complètement. La vapeur atteint ensuite les canaux inférieurs 223 et les gouttes qui n'auraient pas pu le faire suffisamment, notamment par suite d'un usage trop intensif de la sur-vapeur, continuent à échanger de la chaleur avec le corps chauffant 2. Cet échange est d'autant plus intense que, de préférence, les canaux sont tracés de façon à suivre le trajet de l'élément chauffant 201 dans le corps 2. Le trajet de la vapeur étant allongé par ces moyens, la vapeur sort par les trous 104 de la semelle 1 sans aucune chance d'entraîner des gouttes d'eau sur le tissu repassé.In the sole 1 of the steam outlet holes 104 correspond to the channels 223 and 224. The steam circuit associated with the second chamber 220 is thus completely independent of the vapor circuit associated with the first vaporization chamber 210. When the operator wants a surplus of steam, she controls the pump associated with the second steam chamber 220. The water suddenly arrives in this chamber and vaporizes thanks to the heat accumulated in the mass of the iron and thanks to the heating element. 201 located immediately below the chamber 220. Even if the iron has previously been used for a long time in normal steam, the chamber 220 and its vapor channels are hot because they are isolated from the chamber 210 by the groove 225. The steam is escapes in the baffled channels 222 situated above the heating element in a massive part of the body 2, by carrying drops with it. But thanks to the development in length of the channels, and to their thermal protection by the throat 225, these drops vaporize completely there. The vapor then reaches the lower channels 223 and the drops which could not have done it sufficiently, in particular as a result of too intensive use of the super-vapor, continue to exchange heat with the heating body 2. This exchange is all the more intense as, preferably, the channels are traced so as to follow the path of the heating element 201 in the body 2. The path of the steam being extended by these means, the steam exits through the holes 104 of the sole 1 without any chance of causing drops of water on the ironed fabric.
Avantageusement les canaux inférieurs 223 se rejoignent à leur extrémité où la vapeur est sèche, ce qui équilibre les pressions de vapeur et homogénéise l'action sur le linge. Les canaux réunis peuvent sans inconvénient se prolonger par un canal unique susceptible de concerner des trous de vapeur 104 situés dans des endroits où deux canaux ne se justifieraient pas et n'auraient pas leur place tel qu'à l'avant du fer.Advantageously, the lower channels 223 meet at their end where the steam is dry, which balances the steam pressures and homogenizes the action on the laundry. The combined channels can without drawback be extended by a single channel capable of involving steam holes 104 situated in places where two channels would not be justified and would not have their place such as at the front of the iron.
Par ces moyens on obtient un surplus de vapeur efficace, permettant un usage intensif de ce mode de repassage sans risquer des gouttes et des coulures sur le linge. By these means, an effective surplus of steam is obtained, allowing intensive use of this ironing mode without risking drops and drips on the laundry.

Claims

REVENDICATIONS
1. Fer à repasser ayant une semelle (1 ) avec un corps chauffant (2) muni d'un élément chauffant (201), le corps chauffant (2) comprenant une première chambre de vaporisation (210) utilisée pour le repassage courant et une deuxième chambre de vaporisation (220) indépendante utilisée pour obtenir un surplus de vapeur, chacune des chambres étant associée à un circuit de vapeur se terminant par un jeu d'orifices de vapeur dans la semelle, caractérisé en ce que le deuxième circuit de vapeur associé à la deuxième chambre (220) comporte le long de l'élément chauffant (201) au dessus du corps chauffant (2) un canal supérieur (222) dirigé de la chambre vers l'arrière de la semelle relié à un canal inférieur (223) allant de l'arrière vers la pointe de la semelle situé sous le corps chauffant de la semelle.1. Iron having a soleplate (1) with a heating body (2) provided with a heating element (201), the heating body (2) comprising a first vaporization chamber (210) used for current ironing and a second independent vaporization chamber (220) used to obtain a surplus of vapor, each of the chambers being associated with a vapor circuit ending in a set of vapor orifices in the sole, characterized in that the second associated vapor circuit in the second chamber (220) comprises along the heating element (201) above the heating body (2) an upper channel (222) directed from the chamber towards the rear of the soleplate connected to a lower channel (223 ) going from the rear to the tip of the sole located under the heating body of the sole.
2. Fer à repasser selon la revendication précédente caractérisé en ce que le circuit de vapeur de la deuxième chambre (220) est isolé des parois d'évaporation de la première chambre (210) par une lame d'air (225).2. Iron according to the preceding claim characterized in that the vapor circuit of the second chamber (220) is isolated from the evaporation walls of the first chamber (210) by an air gap (225).
3. Fer à repasser selon la revendication précédente caractérisé en ce que la deuxième chambre de vaporisation (220) est dans l'axe de la semelle et le circuit de vapeur comporte des deuxièmes canaux supérieur (222) et inférieur (223), sensiblement symétriques aux premiers.3. Iron according to the preceding claim characterized in that the second vaporization chamber (220) is in the axis of the sole and the steam circuit comprises second upper (222) and lower (223) channels, substantially symmetrical to the first.
4. Fer à repasser selon la revendication précédente caractérisé en ce que les canaux inférieurs (223) se rejoignent dans leur partie terminale vers la pointe de la semelle.4. Iron according to the preceding claim characterized in that the lower channels (223) meet in their end portion towards the tip of the sole.
5. Fer à repasser selon la revendication précédente caractérisé en ce que les orifices de vapeur (104) associés à la deuxième chambre (220) du corps chauffant (2) débouchent dans la semelle (1) le long des canaux inférieurs (223) et dans leur partie terminale.5. Iron according to the preceding claim, characterized in that the steam orifices (104) associated with the second chamber (220) of the heating body (2) open into the soleplate (1) along the lower channels (223) and in their terminal part.
6. Fer à repasser selon la revendication précédente caractérisé en ce que la jonction terminale des canaux inférieurs (223) est prolongée par un canal élargi (224). 6. Iron according to the preceding claim characterized in that the terminal junction of the lower channels (223) is extended by an enlarged channel (224).
EP01974581A 2000-10-24 2001-10-12 Iron with surge steam function Expired - Lifetime EP1328677B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0013647 2000-10-24
FR0013647A FR2815649B1 (en) 2000-10-24 2000-10-24 IRON WITH STEAM SURPLUS FUNCTION
PCT/IB2001/001901 WO2002034996A1 (en) 2000-10-24 2001-10-12 Iron with surge steam function

Publications (2)

Publication Number Publication Date
EP1328677A1 true EP1328677A1 (en) 2003-07-23
EP1328677B1 EP1328677B1 (en) 2006-05-03

Family

ID=8855700

Family Applications (1)

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EP01974581A Expired - Lifetime EP1328677B1 (en) 2000-10-24 2001-10-12 Iron with surge steam function

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US (1) US6802141B2 (en)
EP (1) EP1328677B1 (en)
AT (1) ATE325215T1 (en)
AU (1) AU2001294095A1 (en)
DE (1) DE60119359T2 (en)
ES (1) ES2262685T3 (en)
FR (1) FR2815649B1 (en)
HK (1) HK1058218A1 (en)
PT (1) PT1328677E (en)
WO (1) WO2002034996A1 (en)

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Also Published As

Publication number Publication date
ES2262685T3 (en) 2006-12-01
EP1328677B1 (en) 2006-05-03
DE60119359D1 (en) 2006-06-08
HK1058218A1 (en) 2004-05-07
FR2815649B1 (en) 2003-01-03
US6802141B2 (en) 2004-10-12
ATE325215T1 (en) 2006-06-15
DE60119359T2 (en) 2007-04-19
WO2002034996A1 (en) 2002-05-02
PT1328677E (en) 2006-09-29
US20040025382A1 (en) 2004-02-12
AU2001294095A1 (en) 2002-05-06
FR2815649A1 (en) 2002-04-26

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