EP0328453B1 - Steam iron comprising a device for supplying water to the steam generating chamber - Google Patents

Steam iron comprising a device for supplying water to the steam generating chamber Download PDF

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Publication number
EP0328453B1
EP0328453B1 EP89400352A EP89400352A EP0328453B1 EP 0328453 B1 EP0328453 B1 EP 0328453B1 EP 89400352 A EP89400352 A EP 89400352A EP 89400352 A EP89400352 A EP 89400352A EP 0328453 B1 EP0328453 B1 EP 0328453B1
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EP
European Patent Office
Prior art keywords
water
pressure
steam
vaporization chamber
chamber
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EP89400352A
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German (de)
French (fr)
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EP0328453A1 (en
Inventor
Jean Hennuy
Camille Burton
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SEB SA
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SEB SA
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)

Abstract

The steam iron comprises a water reservoir (1), an evaporation chamber (3) heated by the electrical resistor (4) of the sole (5) of the iron, and a water distribution chamber (6) communicating with the reservoir (1) and having means (7) for allowing the water of this chamber (6) to flow into the evaporation chamber (3). This iron possesses a device (10) sensitive to the pressure of the steam contained in the evaporation chamber (3) and acting on the pressure of the water contained in the distribution chamber (6). The invention is used especially for increasing the flow of steam during ironing. <IMAGE>

Description

La présente invention concerne un fer à repasser à vapeur.The present invention relates to a steam iron.

On connaît des fers à repasser, dans lesquels l'eau contenue dans un réservoir s'écoule dans une chambre de vaporisation chauffée par la résistance électrique incorporée dans la semelle du fer; la vapeur produite dans la chambre de vaporisation s'en échappe par des orifices ménagés à travers la semelle du fer, et va humidifier le tissu à repasser. L'eau du réservoir s'écoule dans la chambre de vaporisation par gravité à travers un orifice contrôlé par un pointeau "goutte à goutte" dont la position est commandée par l'utilisateur: en position "fermé" on repasse à sec; en position "ouvert" on repasse à la vapeur, et, dans certains appareils, le débit d'eau peut être réglé de façon discontinue (pointeau à plusieurs positions), soit de façon continue.Irons are known, in which the water contained in a tank flows into a vaporization chamber heated by the electrical resistance incorporated in the soleplate of the iron; the steam produced in the vaporization chamber escapes from it through orifices made through the soleplate of the iron, and will moisten the fabric to be ironed. The water in the tank flows into the vaporization chamber by gravity through an orifice controlled by a "drop by drop" needle, the position of which is controlled by the user: in the "closed" position, it is ironed again; in the "open" position we return to steam, and in some devices, the water flow can be adjusted discontinuously (needle with several positions), or continuously.

Dans ces appareils, lorsque la semelle du fer est appliquée sur le tissu, celui-ci obture les orifices et gêne l'échappement de la vapeur, et ce d'autant plus qu'on appuie plus fortement le fer sur le tissu. Ainsi, la pression de la vapeur dans la chambre de vaporisation augmente, ce qui réduit le débit d'eau qui y pénètre par le pointeau, d'où réduction du débit de vapeur humidifiant le tissu. Cette réduction est notable, de l'ordre de -25% à -50%.In these devices, when the soleplate of the iron is applied to the fabric, the latter closes the orifices and hinders the escape of steam, all the more since the iron is pressed more strongly on the fabric. Thus, the pressure of the vapor in the vaporization chamber increases, which reduces the flow of water which penetrates there by the needle, from where reduction of the flow of vapor humidifying the fabric. This reduction is significant, of the order of -25% to -50%.

A cet inconvénient connu de contre-pression, on a déjà apporté certains remèdes.To this known disadvantage of back pressure, certain remedies have already been provided.

Selon le brevet français 2471435, l'eau du réservoir ne s'écoule pas directement dans la chambre de vaporisation, mais s'écoule d'abord dans une chambre intermédiaire, d'où elle passera seulement ensuite par le pointeau vers la chambre de vaporisation. La chambre de vaporisation est mise en communication permanente, par un tuyau ascendant avec la partie supérieure de la chambre intermédiaire, dite "dôme de vapeur". Ainsi, la pression de la vapeur s'exerce en permanence sur la surface de l'eau présente dans la chambre intermédiaire. Il y a compensation de la pression de vapeur de part et d'autre du pointeau. L'eau continue donc à s'écouler sous le seul effet de la gravité de la hauteur d'eau présente dans la chambre intermédiaire, de sorte que le débit d'eau qui s'écoule par le pointeau n'est plus influencé par la pression de la vapeur. Bien entendu, un système de soupapes évite le refoulement vers le réservoir d'eau principal, qui est à pression atmosphérique.According to French patent 2471435, the water in the tank does not flow directly into the vaporization chamber, but first flows into an intermediate chamber, from which it will only then pass through the needle to the vaporization chamber . The vaporization chamber is placed in permanent communication, by an ascending pipe with the upper part of the intermediate chamber, called "vapor dome". Thus, the pressure of the vapor is constantly exerted on the surface of the water. present in the intermediate chamber. There is compensation for the vapor pressure on either side of the needle. The water therefore continues to flow under the sole effect of the gravity of the height of water present in the intermediate chamber, so that the water flow which flows through the needle is no longer influenced by the vapor pressure. Of course, a valve system prevents backflow to the main water tank, which is at atmospheric pressure.

Un autre exemple est décrit dans le brevet français 2569211. Le dispositif décrit dans ce brevet comporte également une chambre intermédiaire, dite "chambre de pression" où de la vapeur sous pression provenant de la chambre de vaporisation est introduite par un clapet anti-retour. Un autre clapet anti-retour évite le refoulement vers le réservoir principal.Another example is described in French patent 2569211. The device described in this patent also includes an intermediate chamber, called a "pressure chamber" where pressurized steam from the vaporization chamber is introduced by a non-return valve. Another non-return valve prevents backflow to the main tank.

Tous ces dispositifs ont apporté effectivement des améliorations aux dispositifs les plus simples antérieurs, où l'eau s'écoulait directement du réservoir vers la chambre de vaporisation.All these devices have effectively brought improvements to the simplest prior devices, where the water flowed directly from the tank to the vaporization chamber.

Néanmoins, ces dispositifs ne peuvent assurer, en théorie et au mieux, que la compensation entre la pression de vapeur dans la chambre de vaporisation et la pression sur la surface de l'eau dans la chambre intermédiaire. Donc, en théorie et au mieux, le débit d'eau resterait constant, que le fer soit dégagé ou appliqué sur le tissu. Mais en pratique, le débit baisse tout de même un peu, de l'ordre de -10% à -20%. En effet, la vapeur qui entre dans la chambre intermédiaire s'y refroidit et s'y condense, ce qui réduit sa pression.However, these devices can ensure, in theory and at best, only the compensation between the vapor pressure in the vaporization chamber and the pressure on the surface of the water in the intermediate chamber. So, in theory and at best, the water flow would remain constant, whether the iron is released or applied to the fabric. But in practice, the flow rate drops all the same a little, from around -10% to -20%. In fact, the steam which enters the intermediate chamber cools there and condenses there, which reduces its pressure.

Par ailleurs, cette remontée de vapeur a encore d'autres inconvénients.Furthermore, this rise in steam has still other drawbacks.

Elle chauffe la partie supérieure du fer, donc la poignée, ce qui n'est pas souhaitable.It heats the upper part of the iron, therefore the handle, which is not desirable.

Enfin, les soupapes ou clapets anti-retour, qui fonctionnent en milieu biphasé eau-vapeur, sont très sensibles à l'entartrage. Cela impose l'utilisation d'eau déminéralisée, ou l'addition d'un dispositif "anticalcaire" dont il existe des exemples connus. Dans tous les cas, cela complique la construction et le mode d'emploi, et entraîne des coûts supplémentaires.Finally, the non-return valves or valves, which operate in a two-phase water-steam environment, are very sensitive to scaling. This requires the use of water demineralized, or the addition of an "anti-scale" device of which there are known examples. In any case, this complicates the construction and the instructions for use, and involves additional costs.

Le but de la présente invention est de remédier aux inconvénients des réalisations connues en créant un fer à repasser à la vapeur qui non seulement maintienne le débit de vapeur, mais même l'augmente lorsque le fer est appliqué sur le tissu; ce fer à repasser étant de plus de construction simple et pouvant fonctionner avec l'eau du robinet.The object of the present invention is to remedy the drawbacks of known embodiments by creating a steam iron which not only maintains the flow of steam, but even increases it when the iron is applied to the fabric; this iron being moreover of simple construction and being able to function with tap water.

Le fer à repasser à vapeur visé par l'invention comprend un réservoir d'eau, une chambre de vaporisation chauffée par la résistance électrique de la semelle du fer, et une chambre de distribution d'eau communiquant avec le réservoir et comportant des moyens pour permettre à l'eau de cette chambre de s'écouler dans la chambre de vaporisation, la semelle comportant des orifices de passage de la vapeur produite dans la chambre de vaporisation.The steam iron targeted by the invention comprises a water reservoir, a vaporization chamber heated by the electrical resistance of the soleplate of the iron, and a water distribution chamber communicating with the reservoir and comprising means for allow the water from this chamber to flow into the vaporization chamber, the soleplate having orifices for passage of the vapor produced in the vaporization chamber.

Suivant l'invention, ce fer à repasser est caractérisé en ce qu'il comprend un dispositif sensible à la pression de la vapeur contenue dans la chambre de vaporisation et agissant sur la pression de l'eau contenue dans la chambre de distribution pour augmenter la pression de cette eau lorsque la pression de la vapeur augmente.According to the invention, this iron is characterized in that it comprises a device sensitive to the pressure of the vapor contained in the vaporization chamber and acting on the pressure of the water contained in the distribution chamber to increase the pressure of this water as the vapor pressure increases.

Ainsi, lorsque les orifices de la semelle sont partiellement obturés par le tissu en court de repassage, l'augmentation de la pression engendrée dans la chambre de vaporisation provoque, grâce au dispositif sensible à cette pression, une augmentation de la pression de l'eau contenue dans la chambre de distribution, ce qui engendre une augmentation du débit de l'écoulement de l'eau dans la chambre de vaporisation. On obtient ainsi une amélioration considérable du fonctionnement du fer à repasser.Thus, when the orifices of the sole are partially closed by the fabric being ironed, the increase in pressure generated in the vaporization chamber causes, thanks to the device sensitive to this pressure, an increase in the pressure of the water. contained in the distribution chamber, which generates an increase in the flow rate of the water flow in the vaporization chamber. We thus obtain a considerable improvement in the functioning of the iron.

Le mérite de la présente invention est d'utiliser l'augmentation de la pression de la vapeur qui était jusqu'ici un inconvénient, comme source d'énergie utile pour augmenter le débit d'écoulement d'eau dans la chambre de vaporisation.The merit of the present invention is to use the increase in steam pressure which has hitherto been a drawback, as a useful energy source for increasing the flow rate of water in the chamber. vaporization.

Selon une version avantageuse de l'invention, le dispositif sensible à la pression comprend un organe mobile sous l'effet d'une augmentation de la pression de la vapeur formée dans la chambre de vaporisation, cet organe étant monté de façon mobile dans un compartiment rempli d'eau qui communique avec la chambre de distribution d'eau.According to an advantageous version of the invention, the pressure-sensitive device comprises a movable member under the effect of an increase in the pressure of the vapor formed in the vaporization chamber, this member being mounted movably in a compartment filled with water which communicates with the water distribution chamber.

Ainsi, sous l'effet de l'augmentation de la pression de vapeur, l'organe se déplace dans le compartiment d'eau, ce qui a pour effet d'augmenter la pression de l'eau et le débit d'écoulement de cette eau vers la chambre de vaporisation.Thus, under the effect of the increase in vapor pressure, the organ moves in the water compartment, which has the effect of increasing the water pressure and the flow rate of this water to the vaporization chamber.

Selon une version préférée de l'invention, le compartiment rempli d'eau est situé entre le réservoir d'eau et la chambre de vaporisation, ce réservoir d'eau communiquant avec ledit compartiment par l'intermédiaire d'un clapet anti-retour.According to a preferred version of the invention, the compartment filled with water is located between the water tank and the vaporization chamber, this water tank communicating with said compartment by means of a non-return valve.

Ce clapet anti-retour évite tout risque de retour de l'eau vers le réservoir du fait de l'augmentation de la pression de l'eau contenue dans le compartiment.This non-return valve avoids any risk of water returning to the tank due to the increase in the pressure of the water contained in the compartment.

D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will appear in the description below.

Aux dessins annexés donnés à titre d'exemples non limitatifs:

  • ― la figure 1 est une vue schématique en coupe longitudinale d'un fer à repasser conforme à l'invention, en position de repos,
  • ― la figure 2 est une vue analogue à la figure 1, le fer à repasser étant en position de fonctionnement,
  • ― la figure 3 est une vue en coupe suivant le plan III-III de la figure 1.
In the appended drawings given by way of nonlimiting examples:
  • FIG. 1 is a schematic view in longitudinal section of an iron according to the invention, in the rest position,
  • FIG. 2 is a view similar to FIG. 1, the iron being in the operating position,
  • - Figure 3 is a sectional view along the plane III-III of Figure 1.

Dans la réalisation des figures 1 à 3, le fer à repasser à vapeur comprend un réservoir d'eau 1 débouchant à l'extérieur par une ouverture 2, une chambre de vaporisation 3 chauffée par une résistance électrique 4 incorporée dans la semelle 5 du fer et une chambre 6 de distribution d'eau communiquant avec le réservoir 1 et comportant un pointeau 7 réglable en translation pour permettre à l'eau de cette chambre 6 de s'écouler dans la chambre de vaporisation 3 lorsque ce pointeau 7 est mis en position "vapeur" par action sur son bouton de commande 8.In the embodiment of Figures 1 to 3, the steam iron comprises a water tank 1 opening to the outside through an opening 2, a vaporization chamber 3 heated by an electrical resistance 4 incorporated in the soleplate 5 of the iron and a water distribution chamber 6 communicating with the reservoir 1 and comprising a needle 7 adjustable in translation to allow the water from this chamber 6 to flow into the vaporization chamber 3 when this needle 7 is put in the "steam" position by pressing its button. command 8.

La semelle 5 comporte des orifices 9 de passage de la vapeur produite dans la chambre de vaporisation 3.The sole 5 has orifices 9 for the passage of the steam produced in the vaporization chamber 3.

Conformément à l'invention, ce fer à repasser comprend un dispositif désigné par la référence générale 10 sensible à la pression de la vapeur contenue dans la chambre de vaporisation 3 et agissant sur la pression de l'eau contenue dans la chambre de distribution 6, comme on va le décrire plus en détail plus loin.In accordance with the invention, this iron comprises a device designated by the general reference 10 sensitive to the pressure of the vapor contained in the vaporization chamber 3 and acting on the pressure of the water contained in the distribution chamber 6, as will be described in more detail later.

Le dispositif 10 sensible à la pression comprend un organe 11 mobile sous l'effet d'une augmentation de la pression de la vapeur formée dans la chambre de vaporisation 3, cet organe 11 étant monté de façon mobile dans un compartiment 12 rempli d'eau qui communique avec la chambre de distribution d'eau 6. Ce compartiment rempli d'eau 12 est situé entre le réservoir d'eau 1 et la chambre de vaporisation 3. Ce réservoir d'eau 1 communique avec le compartiment 12 par l'intermédiaire d'ouvertures 13 obturées par un clapet anti-retour 14.The pressure-sensitive device 10 comprises a member 11 movable under the effect of an increase in the pressure of the vapor formed in the vaporization chamber 3, this member 11 being mounted movably in a compartment 12 filled with water which communicates with the water distribution chamber 6. This compartment filled with water 12 is located between the water tank 1 and the vaporization chamber 3. This water tank 1 communicates with the compartment 12 via openings 13 closed by a non-return valve 14.

L'organe 11 et le compartiment d'eau 12 sont dimensionnés de telle sorte que le déplacement de l'organe 11 engendre à l'intérieur du compartiment d'eau 12 une pression d'eau supérieure à la pression de la vapeur formée dans la chambre de vaporisation 3.The member 11 and the water compartment 12 are dimensioned so that the displacement of the member 11 generates inside the water compartment 12 a water pressure greater than the pressure of the vapor formed in the vaporization chamber 3.

Dans la réalisation représentée sur les figures, la paroi supérieure 15 de la chambre de vaporisation 3 comprend une ouverture 16 dans laquelle est fixée de façon étanche une membrane élastique 17. La paroi inférieure 18 du compartiment d'eau 12 présente une ouverture 19 placée en regard de la membrane élastique 17, dans laquelle est fixée de façon étanche le bord supérieure 11a d'un soufflet 11 en matière élastique qui constitue l'organe susmentionné et dont le bord 11b opposé à l'ouverture inférieure 19 du compartiment 12 est en appui sur la membrane 17. Cette membrane 17 et le soufflet 11 sont par exemple en élastomère de silicone. La surface de la membrane 17 est supérieure à la section du soufflet 11.In the embodiment shown in the figures, the upper wall 15 of the vaporization chamber 3 comprises an opening 16 in which an elastic membrane 17 is fixed in leaktight manner. The lower wall 18 of the water compartment 12 has an opening 19 placed in manhole of the elastic membrane 17, in which the upper edge 11a of a bellows 11 of elastic material which is the above-mentioned member and whose edge is tightly fixed 11b opposite the lower opening 19 of the compartment 12 is supported on the membrane 17. This membrane 17 and the bellows 11 are for example made of silicone elastomer. The surface of the membrane 17 is greater than the section of the bellows 11.

On voit également sur les figures 1 à 3 qu'un élément rigide 20 par exemple en une feuille métallique emboutie, sensiblement en forme de cuvette est intercalé entre le fond 11b du soufflet 11 et la membrane élastique 17.It can also be seen in FIGS. 1 to 3 that a rigid element 20, for example made of a stamped metal sheet, substantially in the form of a bowl, is interposed between the bottom 11b of the bellows 11 and the elastic membrane 17.

On voit en outre que le bord de l'ouverture 16 de la paroi supérieure 15 de la chambre de vaporisation 3 comporte un rebord roulé 16a auquel est accroché le bord 17a de la membrane.It can also be seen that the edge of the opening 16 of the upper wall 15 of the vaporization chamber 3 has a rolled rim 16a to which the edge 17a of the membrane is attached.

Par ailleurs, l'élément 20 en forme de cuvette présente une collerette périphérique 20a qui prend appui sur le bord de la membrane 17, de telle sorte qu'un espace vide est créé entre cette membrane et l'élément 20 lorsque le dispositif 10 est au repos comme indiqué sur la figure 1.Furthermore, the element 20 in the form of a bowl has a peripheral collar 20a which bears on the edge of the membrane 17, so that an empty space is created between this membrane and the element 20 when the device 10 is at rest as shown in Figure 1.

L'appareil que l'on vient de décrire fonctionne comme suit:The apparatus which has just been described operates as follows:

On remplit d'eau le réservoir 1. Le pointeau 7 est placé en position "fermé". L'eau s'écoule par le clapet anti-retour 14, et remplit entièrement le compartiment 12, y compris bien entendu le volume du soufflet 11 ainsi que la chambre de distribution 6. Sous la pression de la colonne d'eau (quelques centimètres), le soufflet 11 est étiré vers le bas, et la membrane 17 est dans la position la plus basse que permet le débattement de l'élément rigide 20, comme indiqué sur la figure 1. Dans cette position on peut repasser à sec.The reservoir 1 is filled with water. The needle 7 is placed in the "closed" position. The water flows through the non-return valve 14, and completely fills the compartment 12, including of course the volume of the bellows 11 as well as the distribution chamber 6. Under the pressure of the water column (a few centimeters ), the bellows 11 is stretched downwards, and the membrane 17 is in the lowest position that allows the movement of the rigid element 20, as indicated in FIG. 1. In this position it is possible to iron dry.

Pour repasser à la vapeur, on met le pointeau 7 en position "ouvert". L'eau de la chambre de distribution 6 s'écoule dans la chambre de vaporisation 3 et s'y vaporise. Dès que le fer est appliqué sur le tissu, la pression de la vapeur augmente. Cette pression soulève la membrane 17 et l'élément 20, qui comprime le soufflet 11, ce qui augmente la pression de l'eau dans la chambre de distribution 6, d'où il résulte une augmentation du débit de l'eau s'écoulant par le pointeau 7 dans la chambre de vaporisation 3. Comme la surface de la membrane 17 est supérieure à celle du fond du soufflet 11, la pression d'eau dans la chambre de distribution 6 augmente plus que la pression de vapeur dans la chambre de vaporisation 3. Il y a ainsi multiplication de la pression.To return to steam, the needle 7 is put in the "open" position. The water from the distribution chamber 6 flows into the vaporization chamber 3 and vaporizes there. As soon as the iron is applied to the fabric, the vapor pressure increases. This pressure lifts the membrane 17 and the element 20, which compresses the bellows 11, which increases the pressure of the water in the distribution chamber 6, from where it results in an increase in the flow rate of the water flowing through the needle 7 into the vaporization chamber 3. As the surface of the membrane 17 is greater than that of the bottom of the bellows 11, the water pressure in the distribution chamber 6 increases more than the vapor pressure in the vaporization chamber 3. There is thus a multiplication of the pressure.

Quand on soulève le fer au-dessus du tissu, la vapeur s'échappe librement par les orifices 9 de la semelle 5, la membrane 17 redescend, et le clapet anti-retour 14 admet aussitôt le complément d'eau nécessaire pour remplir entièrement la chambre de distribution 6.When the iron is raised above the fabric, the steam escapes freely through the orifices 9 of the sole 5, the membrane 17 descends, and the non-return valve 14 immediately admits the additional water necessary to completely fill the distribution chamber 6.

La réalisation pratique de ce dispositif est simple.The practical realization of this device is simple.

Les seules pièces spécifiques sont la membrane 17 et le soufflet 11 qui doivent être réalisées dans une matière suffisamment élastique pour permettre une déformation correspondant à des pressions de quelques centimètres d'eau.The only specific parts are the membrane 17 and the bellows 11 which must be made of a sufficiently elastic material to allow a deformation corresponding to pressures of a few centimeters of water.

A titre d'exemple, on donne ci-après des valeurs numériques illustrant une réalisation du dispositif selon l'invention.

Diamètre de l'ouverture 16
 
dans la paroi supérieur 15
 
de la chambre de vaporisation 3:
40mm
Diamètre intérieur du fond
 
un soufflet 11:
16 mm
Hauteur du soufflet 11 étiré
 
(position repos):
13 mm
Hauteur du soufflet comprimé
 
(position sous pression):
7 mm
Débattement du soufflet 11:
6 mm
Rapport de multiplication
 
de pression:
P eau = P vapeur × 40²/16² = P vapeur × 6,24

By way of example, numerical values are given below illustrating an embodiment of the device according to the invention.
Opening diameter 16
in the top wall 15
of vaporization chamber 3:
40mm
Inner diameter of the bottom
a bellows 11:
16 mm
Bellows height 11 stretched
(rest position):
13 mm
Height of the compressed bellows
(pressure position):
7 mm
Bellows 11 travel:
6 mm
Multiplication ratio
pressure:
P water = P steam × 40² / 16² = P steam × 6.24

Dans cette réalisation, le débit de vapeur avec le fer appliqué sur le tissu est supérieur de +30% à +40% au débit de vapeur avec le fer dégagé (à comparer avec les réductions citées plus haut).In this embodiment, the steam flow rate with the iron applied to the fabric is + 30% to + 40% greater than the steam flow rate with the iron released (compare with the reductions mentioned above).

Bien entendu, l'invention n'est pas limitée à l'exemple que l'on vient de décrire et on peut apporter à celui-ci de nombreuses modifications sans sortir du cadre de l'invention.Of course, the invention is not limited to the example which has just been described and numerous modifications can be made to it without departing from the scope of the invention.

Ainsi, l'ensemble constitué par la membrane 17 et le soufflet 11 peut être remplacé par tout dispositif tel qu'un piston déplaçable sous l'effet de la pression de la vapeur de façon à augmenter la pression de l'eau contenue dans la chambre 6.Thus, the assembly constituted by the membrane 17 and the bellows 11 can be replaced by any device such as a piston displaceable under the effect of the pressure of the vapor so as to increase the pressure of the water contained in the chamber. 6.

Claims (9)

  1. A steam iron comprising a water reservoir (1), a vaporization chamber (3) heated by the electric resistance (4) of the iron soleplate (5), and a water distribution chamber (6) communicating with the reservoir (1) and comprising means (7) for allowing the water in said chamber (6) to flow into the vaporization chamber (3), to soleplate (5) being formed with orifices (9) for the passage of the steam produced in the vaporization chamber, characterised in that it comprises a device (10) sensitive to the pressure of the steam contained in the vaporization chamber (3) and acting on the pressure of the water contained in the distribution chamber (6) to increase said water pressure when the pressure of the steam increases.
  2. 2. An iron according to claim 1, characterised in that the pressure-sensitive device (10) comprises a member (11) which is movable in response to an increase in the pressure of the steam formed in the vaporization chamber (3), such member (11) being mounted movably in a water-filled compartment (12) communicating with the water distribution chamber (6).
  3. 3. An iron according to claim 2, characterised in that the water-filled compartment (12) is situated between the water reservoir (1) and the vaporization chamber (3), said water reservoir communicating with said compartment (12) through a non-return valve (14).
  4. 4. An iron according to claim 2 or 3, characterised in that the member (10) and the water compartment (12) are so dimensioned that movement of the member (10) produces inside the water compartment (12) a water pressure greater than the pressure of the steam formed in the vaporization chamber (3).
  5. 5. An iron according to any one of claims 2 to 4, characterised in that the top wall (15) of the vaporization chamber (3) comprises an aperture (16) in which an elastic diaphragm (17) is fixed in sealing-tight relationship, in that the bottom wall (18) of the water compartment (12) has an aperture (19) situated opposite the elastic diaphragm (17), in which aperture the top edge of an elastic bellows (11) is fixed in sealing-tight relationship, the edge of the bellows remote from the aperture (19) of the compartment (12) bearing on the diaphragm (17).
  6. 6. An iron according to claim 5, characterised in that the surface of the diaphragm (17) is larger than the section of the bellows (11).
  7. 7. An iron according to claim 5 or 6, characterised in that a substantially dish-shaped rigid element (20) is interposed between the bottom of the bellows (11) and the elastic diaphragm (17).
  8. 8. An iron according to any of claims 5 to 7, characterised in that the edge of the aperture of the top wall (15) of the vaporization chamber (3) comprises a curled edge (16a) to which the edge of the diaphragm (17) is secured.
  9. 9. An iron according to claim 7 or 8, characterised in that the dish-shaped element (20) has a peripheral collar (20a) which bears on the edge of the diaphragm (17).
EP89400352A 1988-02-10 1989-02-08 Steam iron comprising a device for supplying water to the steam generating chamber Expired - Lifetime EP0328453B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89400352T ATE71415T1 (en) 1988-02-10 1989-02-08 STEAM IRON WITH A DEVICE FOR FEEDING WATER INTO THE STEAM GENERATION CHAMBER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8801593A FR2626901B1 (en) 1988-02-10 1988-02-10 STEAM IRON COMPRISING AN IMPROVED DEVICE FOR SUPPLYING WATER TO THE VAPORIZATION CHAMBER
FR8801593 1988-02-10

Publications (2)

Publication Number Publication Date
EP0328453A1 EP0328453A1 (en) 1989-08-16
EP0328453B1 true EP0328453B1 (en) 1992-01-08

Family

ID=9363156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400352A Expired - Lifetime EP0328453B1 (en) 1988-02-10 1989-02-08 Steam iron comprising a device for supplying water to the steam generating chamber

Country Status (5)

Country Link
EP (1) EP0328453B1 (en)
AT (1) ATE71415T1 (en)
DE (2) DE328453T1 (en)
ES (1) ES2010977A4 (en)
FR (1) FR2626901B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688807B1 (en) * 1992-03-20 1994-07-01 Superba Sa STEAM IRONING APPARATUS PROVIDED WITH A SCALE DETECTION AND SUPPRESSION DEVICE.
DE4214564C1 (en) * 1992-05-08 1993-09-02 Rowenta-Werke Gmbh, 6050 Offenbach, De
US5829175A (en) * 1996-09-20 1998-11-03 Black & Decker Inc. Steam iron with all temperature steam production
DE19731014C2 (en) * 1997-07-21 2000-10-12 Rowenta Werke Gmbh Electric steam iron
FR2821369B1 (en) * 2001-02-27 2003-09-05 Rowenta Werke Gmbh PULSED STEAM IRON
CN100381628C (en) * 2006-05-29 2008-04-16 陈光焕 Steam self-control compensator for steam-water separation
EP3421657A1 (en) * 2017-06-26 2019-01-02 Koninklijke Philips N.V. A garment care system with water pump
CN108505306A (en) * 2018-05-31 2018-09-07 浙江松洋电器有限公司 A kind of presses with variable volume water tank

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8420831V0 (en) * 1984-02-10 1984-02-10 Cavalli Alfredo STEAM IRON WITH SAFETY DEVICE FOR OVERPRESSURE.
JPS61162996A (en) * 1985-01-11 1986-07-23 松下電器産業株式会社 Steam iron

Also Published As

Publication number Publication date
FR2626901B1 (en) 1990-06-29
FR2626901A1 (en) 1989-08-11
DE328453T1 (en) 1990-02-08
EP0328453A1 (en) 1989-08-16
ES2010977A4 (en) 1989-12-16
DE68900655D1 (en) 1992-02-20
ATE71415T1 (en) 1992-01-15

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