EP2155953A2 - Linen processing apparatus including a device for controlling the water flow supplied to a steam generator - Google Patents

Linen processing apparatus including a device for controlling the water flow supplied to a steam generator

Info

Publication number
EP2155953A2
EP2155953A2 EP08737564A EP08737564A EP2155953A2 EP 2155953 A2 EP2155953 A2 EP 2155953A2 EP 08737564 A EP08737564 A EP 08737564A EP 08737564 A EP08737564 A EP 08737564A EP 2155953 A2 EP2155953 A2 EP 2155953A2
Authority
EP
European Patent Office
Prior art keywords
filaments
hose
steam generator
branch
water
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.)
Withdrawn
Application number
EP08737564A
Other languages
German (de)
French (fr)
Inventor
Björn SCHEVE
Matthias Hahn
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 EP2155953A2 publication Critical patent/EP2155953A2/en
Withdrawn legal-status Critical Current

Links

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
    • D06F73/00—Apparatus for smoothing or removing creases from garments or other textile articles by formers, cores, stretchers, or internal frames, with the application of heat or steam 

Definitions

  • the present invention relates to an apparatus for the treatment of laundry comprising a water tank and a steam generator supplied with water from the tank by an electric pump, and relates more particularly to an apparatus comprising a device for adjusting the flow of water. liquid sent to the steam generator.
  • a device for the production of steam comprising a reservoir and an electric pump for sending water to a steam generator, the generator supply circuit having a bifurcation to push back a portion of the water emitted by the pump to the tank to control the amount of water passed to the generator.
  • the pipe may be provided with a device for adjusting the flow of liquid passing through the bifurcation.
  • this document does not disclose the means used to adjust the flow of liquid through the pipe.
  • an object of the present invention is to provide a steam apparatus for the treatment of laundry comprising a steam generator supplied with water by an electric pump and a device for adjusting the flow of liquid sent to the steam generator which is simple and economic to achieve.
  • Another object of the present invention is to provide a device for adjusting the flow of liquid in a flexible pipe which allows a gradual adjustment of the flow rate and which is reliable over time.
  • the subject of the invention is an apparatus for the treatment of laundry comprising a water tank, a steam generator for vapor diffusion towards the laundry and a water supply circuit of the steam generator comprising an electric pump, characterized in that the supply circuit comprises a flexible hose and a device for adjusting the flow of water sent to the steam generator comprising means for 3 hose to change its passage section.
  • the device for adjusting the flow rate comprises a plurality of small section filaments extending inside the flexible pipe, at the height of the means for compressing the pipe.
  • the flexible hose contains at least ten filaments.
  • the filaments are made of plastic material.
  • the filaments are made of polyamide.
  • the means for compressing the conduit comprise an articulated lever actuated by a rotary cam.
  • the electric pump comprises an intake port connected by a first conduit to the water reservoir and a delivery port connected by a second conduit to a branch comprising a first branch connected to the generator of steam and a second branch connected to the water tank, the second branch comprising the device for adjusting the flow rate.
  • the apparatus is a portable anti-crease brush.
  • the invention also relates to a device for controlling the flow rate of liquid passing through a hose in which means locally compress the hose to reduce its passage section, characterized in that the device comprises a plurality of small section filaments extending inside the flexible pipe, at the height of the means for compressing the pipe.
  • the internal volume of the hose contains at least ten filaments.
  • the filaments are made of plastic material. According to another characteristic of the invention, the filaments are made of The aims, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention presented by way of non-limiting example, with reference to the accompanying drawings in which :
  • FIGS. 1 and 2 are perspective views of a wrinkle brush according to a particular embodiment of the invention.
  • FIG. 3 is a perspective view of the apparatus of Figures 1 and 2 without its shell body;
  • FIG. 4 is a schematic representation of the water supply circuit of the steam generator of the apparatus of FIGS. 1 and 2;
  • Figures 5 and 6 are exploded perspective views of the device for adjusting the flow of liquid equipping the apparatus of Figures 1 and 2;
  • FIG. 7 is a side view of the device for adjusting the fluid equipping the apparatus of FIGS. 1 and 2;
  • - Figures 8 and 9 are sectional views along the line VIII-VIII of Figure 7 when the adjusting knob is respectively in the minimum steam production position and in the maximum steam production position;
  • - Figures 10 to 12 are sections of the flexible hose equipping the device for adjusting the liquid of the preceding figures, when the adjusting knob is respectively minimum steam position in the maximum steam position and intermediate position.
  • Figures 1 to 3 show a steam stripping apparatus comprising a body 1 of plastic comprising an elongate portion forming a handle receiving a removable water tank 2 whose upper wall is the upper part of the handle.
  • the elongated part of the body 1 jully, an electric pump 3, visible in Figure 3, whose start is controlled by a control button 4.
  • the body 1 comprises, in the extension of the handle, a portion of greater width containing a steam generator 5, visible in Figure 3; conventionally constituted by an instantaneous vaporization chamber associated with an electric heating element 6.
  • the body 1 of the apparatus is closed, opposite the handle, by a flat face 7 having steam outlet holes 70, the body 1 advantageously receiving a removable brush 8 having multiple flexible fingers extending to the periphery of the flat face 7 and allowing the application of traction on the fibers during the diffusion of steam through holes 70 to promote degreasing.
  • the electric pump 3 comprises an inlet orifice 30 connected by a duct 9 to the tank 2 and comprises a discharge orifice 31 sending the water coming from the tank 2 through a feed circuit of the tank 2.
  • steam generator 5, diagrammatically illustrated in FIG. 4 comprising a duct 10 leading to a branch dividing the supply circuit into a first duct branch 11 connected to an inlet orifice 50 of the steam generator 5 and a second branch pipe 12 connected to the tank 2 for discharging a portion of the water from the pump 3 to the tank 2.
  • the first pipe branch 11 has a passage section smaller than that of the second pipe branch 12, the first pipe branch having for example an inner diameter of about 1 mm and the second pipe branch 12 having for example an inner diameter of about 2 mm.
  • the second pipe branch is constituted by a flexible pipe 12, for example rubber, which passes through a cylindrical housing 13 comprising means for compressing the flexible pipe 12 to reduce the cross section of the latter and control the amount of water discharged to the tank 2.
  • the cylindrical housing 13 is composed of two parts 13A, 13B of plastic fixed to one another by means of elastic claws 131, the lower portion 13A of the housing comprising a channel 132 for receiving the hose 12 having a lateral opening facing the means for compressing the pipe 12 consisting of a lever 133 having a bent part bearing against the outer surface of the flexible pipe 12.
  • the lever 133 is advantageously obtained directly from molding with the lower portion 13A of the cylindrical housing and has an end articulated to the periphery of the housing 13 and a free end extending close to the center of the housing 13.
  • the lower parts 13A and upper 13B of the housing comprise a central opening 134A, 134B receiving the shaft 140 of a rotary knob 14 coming to cover the upper part 13B of the housing projecting from the body 1 of the apparatus, the shaft 140 being provided with cams 141 coming from pushing the lever 133 towards the hose 12 during the rotation of the shaft 140 so that the bent portion of the lever 133 compresses the hose 12.
  • the upper portion 13B of the housing comprises a housing 135 for receiving a locking pin 16 brought by a spring 160 against the inner surface of the rotary knob 14, the latter having three cavities 142 in which can engage the end of the pin 16 to immobilize the button 14 in three predefined positions corresponding respectively to a minimum, average and maximum flow rate of steam production of the steamer.
  • the flexible hose 12 contains numerous filaments 15 of circular cross-section of small diameter, preferably of the order of 0.2 mm, extending freely inside the internal diameter of the pipe. flexible 12, these filaments 15 being preferably made of polyamide material.
  • the flexible pipe 12 may have an outer diameter of about 4 mm for an inner diameter of about 2 mm and will contain ten eight filaments 15 having a length similar to the length of the hose 12.
  • the number of filaments 15 inserted into the hose 12 will depend mainly on the inner diameter of the latter and will advantageously be between ten and twenty-five filaments, the number of filaments 15 being preferably adapted so that the filaments 15 occupy between 10 and 30% of the passage section of the hose 12 when the latter is not deformed.
  • the start of the electric pump 3 by means of the button 4 causes the suction of the water from the tank 2 by the first duct 9 and the water delivery through the second duct 10, the flow of water.
  • water emitted through this second duct 10 being divided between a first relatively small flow sent through the first branch 11 to the steam generator 5 and a second, larger flow of water, sent through the hose 12 towards the tank due to the large passage section left free on both sides of the filaments 15.
  • the steam generator 5 is then fed with a low flow of water through the first pipe branch 11, which allows operation of the steamer with a low steam flow.
  • the button 14 can also be brought to an intermediate position, in which it is locked in position by the cooperation of the peg 16 with the central groove 142 of the button 14. In this position, the crushing of the hose 12 is such that its height is reduced by half, as is illustrated in Figure 12, and the passage section through flexible hose 12 provided with the filaments 15 becomes of the order of 1 mm 2 .
  • Such an intermediate position of the knob 15 makes it possible to obtain an average pressure drop across the hose 12 so that the flow of water sent to the steam generator 5 corresponds to a mean steam flow rate.
  • Such a device in which a hose is clamped to modify its passage section, has the advantage of allowing the adjustment of the steam flow of the steaming device by a simple and economical mechanical system to achieve.
  • such a device makes it possible to modify the steam flow of the apparatus without affecting the power supply of the pump.
  • the presence of filaments in the flexible pipe has the advantage of allowing a more gradual reduction of the passage section of the pipe and therefore better control of the flow therethrough.
  • a device has the disadvantage of providing a little progressive adjustment, the passage section of the pipe decreasing slightly in the first phase of compression of the pipe and much more brutally when the two opposite walls of the pipe come into contact with one another.
  • the presence of the filaments in the flexible pipe also has the advantage of avoiding the phenomenon of bonding of the walls occurring when a rubber hose is held pressed for a long time against each other, the filaments preventing the opposite walls of the hose from being in contact when the latter is crushed by the bent portion of the lever.
  • the circular section of the filaments makes it possible to limit the contact surface of the filaments between them or with the flexible pipe so that the phenomenon of adhesion is limited, the use of the polyamide material for the filaments also making it possible to prevent the filaments do not stick together.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

The invention relates to a linen processing apparatus including a water tank, a steam generator for diffusing steam towards the linen and a water supply circuit for the steam generator that comprises an electric pump, characterised in that said supply circuit includes a flexible pipe (12) and a device (13) for adjusting the water flow supplied to the steam generator and including means (133) for compressing the flexible pipe in order to modify its cross-section of flow.

Description

APPAREIL POUR LE TRAITEMENT DU LINGE COMPRENANT UN DISPOSITIF POUR CONTROLER LE DEBIT D1EAU ENVOYE VERS UNAPPARATUS FOR PROCESSING MACHINE WITH A DEVICE TO CONTROL THE WATER FLOW 1 SENT TO A
GENERATEUR DE VAPEURSTEAM GENERATOR
La présente invention se rapporte à un appareil pour le traitement du linge comportant un réservoir d'eau et un générateur de vapeur alimenté en eau du réservoir par une pompe électrique, et se rapporte plus particulièrement à un appareil comprenant un dispositif pour ajuster le débit de liquide envoyé vers le générateur de vapeur. il est connu, du document DE 102004230032, un appareil pour la production de vapeur comportant un réservoir et une pompe électrique permettant d'envoyer de l'eau vers un générateur de vapeur, le circuit d'alimentation du générateur comportant une bifurcation permettant de refouler une partie de l'eau émise par la pompe vers le réservoir afin de contrôler la quantité d'eau transmise vers le générateur. Dans ce document, il est indiqué que la canalisation peut être munie d'un dispositif pour ajuster le débit de liquide traversant la bifurcation. Cependant, ce document ne divulgue pas les moyens utilisés pour ajuster le débit de liquide traversant la canalisation.The present invention relates to an apparatus for the treatment of laundry comprising a water tank and a steam generator supplied with water from the tank by an electric pump, and relates more particularly to an apparatus comprising a device for adjusting the flow of water. liquid sent to the steam generator. it is known, from DE 102004230032, a device for the production of steam comprising a reservoir and an electric pump for sending water to a steam generator, the generator supply circuit having a bifurcation to push back a portion of the water emitted by the pump to the tank to control the amount of water passed to the generator. In this document, it is stated that the pipe may be provided with a device for adjusting the flow of liquid passing through the bifurcation. However, this document does not disclose the means used to adjust the flow of liquid through the pipe.
Aussi, un but de la présente invention est de proposer un appareil à vapeur pour le traitement du linge comportant un générateur de vapeur alimenté en eau par une pompe électrique et un dispositif pour ajuster le débit de liquide envoyé vers le générateur de vapeur qui soit simple et économique à réaliser.Also, an object of the present invention is to provide a steam apparatus for the treatment of laundry comprising a steam generator supplied with water by an electric pump and a device for adjusting the flow of liquid sent to the steam generator which is simple and economic to achieve.
Un autre but de la présente invention est de proposer un dispositif pour ajuster le débit de liquide dans un tuyau souple qui permette un réglage progressif du débit et qui soit fiable dans le temps.Another object of the present invention is to provide a device for adjusting the flow of liquid in a flexible pipe which allows a gradual adjustment of the flow rate and which is reliable over time.
A cet effet, l'invention a pour objet un appareil pour le traitement du linge comportant un réservoir d'eau, un générateur de vapeur pour la diffusion de vapeur en direction du linge et un circuit d'alimentation en eau du générateur de vapeur comportant une pompe électrique, caractérisé en ce que le circuit d'alimentation comporte un tuyau souple et un dispositif pour ajuster le débit d'eau envoyé vers le générateur de vapeur comprenant des moyens pour 3 tuyau souple afin de modifier sa section de passage.For this purpose, the subject of the invention is an apparatus for the treatment of laundry comprising a water tank, a steam generator for vapor diffusion towards the laundry and a water supply circuit of the steam generator comprising an electric pump, characterized in that the supply circuit comprises a flexible hose and a device for adjusting the flow of water sent to the steam generator comprising means for 3 hose to change its passage section.
Selon une autre caractéristique de l'invention, le dispositif pour ajuster le débit comprend plusieurs filaments de faible section s'étendant à l'intérieur du tuyau souple, à hauteur des moyens pour comprimer le tuyau. Selon une autre caractéristique de l'invention, le tuyau souple contient au moins dix filaments.According to another characteristic of the invention, the device for adjusting the flow rate comprises a plurality of small section filaments extending inside the flexible pipe, at the height of the means for compressing the pipe. According to another characteristic of the invention, the flexible hose contains at least ten filaments.
Selon une autre caractéristique de l'invention, les filaments sont réalisés en matériau plastique.According to another characteristic of the invention, the filaments are made of plastic material.
Selon encore une autre caractéristique de l'invention, les filaments sont réalisés en polyamide.According to yet another characteristic of the invention, the filaments are made of polyamide.
Selon une autre caractéristique de l'invention, les moyens pour comprimer le conduit comportent un levier articulé actionné par une came rotative.According to another characteristic of the invention, the means for compressing the conduit comprise an articulated lever actuated by a rotary cam.
Selon encore une autre caractéristique de l'invention, la pompe électrique comporte un orifice d'admission relié par un premier conduit au réservoir d'eau et un orifice de refoulement relié par un second conduit à un embranchement comportant une première branche reliée au générateur de vapeur et une seconde branche reliée au réservoir d'eau, la seconde branche comportant le dispositif pour ajuster le débit.According to yet another characteristic of the invention, the electric pump comprises an intake port connected by a first conduit to the water reservoir and a delivery port connected by a second conduit to a branch comprising a first branch connected to the generator of steam and a second branch connected to the water tank, the second branch comprising the device for adjusting the flow rate.
Selon une autre caractéristique de l'invention, l'appareil est une brosse de défroissage portative.According to another characteristic of the invention, the apparatus is a portable anti-crease brush.
L'invention concerne également un dispositif pour contrôler le débit de liquide traversant un tuyau souple dans lequel des moyens viennent comprimer localement le tuyau souple afin de réduire sa section de passage, caractérisé en ce que le dispositif comporte plusieurs filaments de faible section s'étendant à l'intérieur du tuyau souple, à hauteur des moyens pour comprimer le tuyau.The invention also relates to a device for controlling the flow rate of liquid passing through a hose in which means locally compress the hose to reduce its passage section, characterized in that the device comprises a plurality of small section filaments extending inside the flexible pipe, at the height of the means for compressing the pipe.
Selon une autre caractéristique de l'invention, le volume intérieur du tuyau souple renferme au moins dix filaments.According to another characteristic of the invention, the internal volume of the hose contains at least ten filaments.
Selon une autre caractéristique de l'invention, les filaments sont réalisés en matériau plastique. Selon une autre caractéristique de l'invention, les filaments sont réalisés en 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 :According to another characteristic of the invention, the filaments are made of plastic material. According to another characteristic of the invention, the filaments are made of The aims, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention presented by way of non-limiting example, with reference to the accompanying drawings in which :
- les figures 1 et 2 sont des vues en perspective d'une brosse de défroissage selon un mode particulier de réalisation de l'invention ;- Figures 1 and 2 are perspective views of a wrinkle brush according to a particular embodiment of the invention;
- la figure 3 est une vue en perspective de l'appareil des figures 1 et 2 démuni de son corps enveloppe; - La figure 4 est une représentation schématique du circuit d'alimentation en eau du générateur de vapeur de l'appareil des figures 1 et 2 ;- Figure 3 is a perspective view of the apparatus of Figures 1 and 2 without its shell body; FIG. 4 is a schematic representation of the water supply circuit of the steam generator of the apparatus of FIGS. 1 and 2;
- Les figures 5 et 6 sont des vues en perspective éclatée du dispositif pour ajuster le débit de liquide équipant l'appareil des figures 1 et 2 ;- Figures 5 and 6 are exploded perspective views of the device for adjusting the flow of liquid equipping the apparatus of Figures 1 and 2;
- la figure 7 est une vue de côté du dispositif pour ajuster le liquide équipant l'appareil des figures 1 et 2 ;FIG. 7 is a side view of the device for adjusting the fluid equipping the apparatus of FIGS. 1 and 2;
- les figures 8 et 9 sont des vues en coupe selon la ligne VIII-VIII de la figure 7 lorsque le bouton de réglage est respectivement en position de production de vapeur minimum et en position de production de vapeur maximum ; - les figures 10 à 12 sont des sections du tuyau souple équipant le dispositif pour ajuster le liquide des figures précédentes, lorsque le bouton de réglage est respectivement position de vapeur minimum, en position de vapeur maximum et en position intermédiaire.- Figures 8 and 9 are sectional views along the line VIII-VIII of Figure 7 when the adjusting knob is respectively in the minimum steam production position and in the maximum steam production position; - Figures 10 to 12 are sections of the flexible hose equipping the device for adjusting the liquid of the preceding figures, when the adjusting knob is respectively minimum steam position in the maximum steam position and intermediate position.
Seuls les éléments nécessaires à la compréhension de l'invention ont été représentés. Pour faciliter la lecture des dessins, les mêmes éléments portent les mêmes références d'une figure à l'autre.Only the elements necessary for the understanding of the invention have been represented. To facilitate the reading of the drawings, the same elements bear the same references from one figure to another.
Les figures 1 à 3 représentent un appareil de défroissage à vapeur comportant un corps 1 en matière plastique comprenant une partie allongée formant une poignée recevant un réservoir d'eau 2 amovible dont la paroi supérieure constitue la partie supérieure de la poignée. Le partie allongée du corps 1 jalement, une pompe électrique 3, visible sur la figure 3, dont la mise en marche est commandée par un bouton de commande 4. Le corps 1 comporte, dans le prolongement de la poignée, une partie de plus grande largeur renfermant un générateur de vapeur 5, visible sur la figure 3; constitué classiquement par une chambre de vaporisation instantanée associée à un élément chauffant électrique 6.Figures 1 to 3 show a steam stripping apparatus comprising a body 1 of plastic comprising an elongate portion forming a handle receiving a removable water tank 2 whose upper wall is the upper part of the handle. The elongated part of the body 1 jully, an electric pump 3, visible in Figure 3, whose start is controlled by a control button 4. The body 1 comprises, in the extension of the handle, a portion of greater width containing a steam generator 5, visible in Figure 3; conventionally constituted by an instantaneous vaporization chamber associated with an electric heating element 6.
Le corps 1 de l'appareil est fermé, à l'opposé de la poignée, par une face plane 7 comportant des trous 70 de sortie de vapeur, le corps 1 recevant avantageusement une brosse amovible 8 comportant de multiples doigts souples s'étendant à la périphérie de la face plane 7 et permettant l'application d'une traction sur les fibres lors de la diffusion de vapeur au travers de trous 70 afin de favoriser le défroissage.The body 1 of the apparatus is closed, opposite the handle, by a flat face 7 having steam outlet holes 70, the body 1 advantageously receiving a removable brush 8 having multiple flexible fingers extending to the periphery of the flat face 7 and allowing the application of traction on the fibers during the diffusion of steam through holes 70 to promote degreasing.
Conformément à la figure 3, la pompe électrique 3 comporte un orifice d'admission 30 relié par un conduit 9 au réservoir 2 et comporte un orifice de refoulement 31 envoyant l'eau issue du réservoir 2 au travers d'un circuit d'alimentation du générateur de vapeur 5, illustré schématiquement à la figure 4, comprenant un conduit 10 menant à un embranchement divisant le circuit d'alimentation en une première branche de canalisation 11 reliée à un orifice d'entrée 50 du générateur de vapeur 5 et une seconde branche de canalisation 12 reliée au réservoir 2 permettant le refoulement d'une partie de l'eau issue de la pompe 3 vers le réservoir 2.According to FIG. 3, the electric pump 3 comprises an inlet orifice 30 connected by a duct 9 to the tank 2 and comprises a discharge orifice 31 sending the water coming from the tank 2 through a feed circuit of the tank 2. steam generator 5, diagrammatically illustrated in FIG. 4, comprising a duct 10 leading to a branch dividing the supply circuit into a first duct branch 11 connected to an inlet orifice 50 of the steam generator 5 and a second branch pipe 12 connected to the tank 2 for discharging a portion of the water from the pump 3 to the tank 2.
De manière préférentielle, la première branche de canalisation 11 présente une section de passage inférieure à celle de la seconde branche de canalisation 12, la première branche de canalisation comportant par exemple un diamètre intérieur de l'ordre de 1 mm et la seconde branche de canalisation 12 présentant par exemple un diamètre intérieur de l'ordre de 2 mm.Preferably, the first pipe branch 11 has a passage section smaller than that of the second pipe branch 12, the first pipe branch having for example an inner diameter of about 1 mm and the second pipe branch 12 having for example an inner diameter of about 2 mm.
Plus particulièrement selon l'invention, la seconde branche de canalisation est constituée par un tuyau souple 12, par exemple en caoutchouc, qui traverse un boîtier cylindrique 13 comprenant des moyens pour comprimer le tuyau souple 12 afin de réduire la section de passage de ce dernier et contrôler la quantité d'eau refoulée vers le réservoir 2.More particularly according to the invention, the second pipe branch is constituted by a flexible pipe 12, for example rubber, which passes through a cylindrical housing 13 comprising means for compressing the flexible pipe 12 to reduce the cross section of the latter and control the amount of water discharged to the tank 2.
Conformément aux figures 5 et 6, le boîtier cylindrique 13 est ement constitué de deux parties 13A, 13B en matière plastique fixées l'une sur l'autre au moyen de griffes élastiques 131 , la partie inférieure 13A du boîtier comportant une rigole 132 de réception du tuyau souple 12 présentant une ouverture latérale venant en regard de moyens pour comprimer le tuyau 12 constitués d'un levier 133 présentant une partie coudée prenant appui contre la surface extérieure du tuyau souple 12.According to FIGS. 5 and 6, the cylindrical housing 13 is composed of two parts 13A, 13B of plastic fixed to one another by means of elastic claws 131, the lower portion 13A of the housing comprising a channel 132 for receiving the hose 12 having a lateral opening facing the means for compressing the pipe 12 consisting of a lever 133 having a bent part bearing against the outer surface of the flexible pipe 12.
Le levier 133 est avantageusement obtenu directement de moulage avec la partie inférieure 13A du boîtier cylindrique et comporte une extrémité articulée à la périphérie du boîtier 13 et une extrémité libre s'étendant à proximité du centre du boîtier 13. Les parties inférieure 13A et supérieure 13B du boîtier comportent une ouverture centrale 134A, 134B recevant l'arbre 140 d'un bouton rotatif 14 venant recouvrir la partie supérieure 13B du boîtier en faisant saillie sur le corps 1 de l'appareil, l'arbre 140 étant muni de cames 141 venant repousser le levier 133 en direction du tuyau souple 12 lors de la rotation de l'arbre 140 de manière à ce que la partie coudée du levier 133 vienne comprimer le tuyau souple 12.The lever 133 is advantageously obtained directly from molding with the lower portion 13A of the cylindrical housing and has an end articulated to the periphery of the housing 13 and a free end extending close to the center of the housing 13. The lower parts 13A and upper 13B of the housing comprise a central opening 134A, 134B receiving the shaft 140 of a rotary knob 14 coming to cover the upper part 13B of the housing projecting from the body 1 of the apparatus, the shaft 140 being provided with cams 141 coming from pushing the lever 133 towards the hose 12 during the rotation of the shaft 140 so that the bent portion of the lever 133 compresses the hose 12.
De manière avantageuse, la partie supérieure 13B du boîtier comporte un logement de réception 135 d'un pion de verrouillage 16 amené par un ressort 160 à rencontre de la surface intérieure du bouton rotatif 14, cette dernière présentant trois empreintes 142 dans lesquelles peut s'engager l'extrémité du pion 16 pour immobiliser le bouton 14 en trois positions prédéfinies correspondant respectivement à un débit minimum, moyen et maximum de production de vapeur de l'appareil de défroissage.Advantageously, the upper portion 13B of the housing comprises a housing 135 for receiving a locking pin 16 brought by a spring 160 against the inner surface of the rotary knob 14, the latter having three cavities 142 in which can engage the end of the pin 16 to immobilize the button 14 in three predefined positions corresponding respectively to a minimum, average and maximum flow rate of steam production of the steamer.
Comme on peut le voir sur les figures 8 à 12, le tuyau souple 12 renferme de nombreux filaments 15 de section circulaire de faible diamètre, préférentiellement de l'ordre de 0.2 mm, s'étendant librement à l'intérieur du diamètre intérieur du tuyau souple 12, ces filaments 15 étant préférentiellement réalisés en matériau polyamide.As can be seen in FIGS. 8 to 12, the flexible hose 12 contains numerous filaments 15 of circular cross-section of small diameter, preferably of the order of 0.2 mm, extending freely inside the internal diameter of the pipe. flexible 12, these filaments 15 being preferably made of polyamide material.
A titre d'exemple, et ainsi que cela est illustré sur les figures 10 à 12, le tuyau souple 12 pourra posséder un diamètre extérieur de l'ordre de 4 mm pour un diamètre intérieur de l'ordre de 2 mm et contiendra dix-huit filaments 15 présentant une longueur semblable à la longueur du tuyau souple 12. Ju, le nombre de filaments 15 insérés dans le tuyau souple 12 dépendra principalement du diamètre intérieur de ce dernier et sera avantageusement compris entre dix et vingt-cinq filaments, le nombre de filaments 15 étant préférentiellement adapté pour que les filaments 15 occupent entre 10 et 30 % de la section de passage du tuyau souple 12 lorsque ce dernier n'est pas déformé.For example, and as is illustrated in Figures 10 to 12, the flexible pipe 12 may have an outer diameter of about 4 mm for an inner diameter of about 2 mm and will contain ten eight filaments 15 having a length similar to the length of the hose 12. Ju, the number of filaments 15 inserted into the hose 12 will depend mainly on the inner diameter of the latter and will advantageously be between ten and twenty-five filaments, the number of filaments 15 being preferably adapted so that the filaments 15 occupy between 10 and 30% of the passage section of the hose 12 when the latter is not deformed.
Le fonctionnement du dispositif de contrôle de débit de l'appareil va maintenant être décrit.The operation of the flow control device of the apparatus will now be described.
Conformément aux figures 8 et 10, lorsque le bouton 14 rotatif est tourné de telle sorte que la came 141 ne repousse pas le levier 133 en direction du tuyau souple 12, la pression exercée par la partie coudée du levier 133 sur le tuyau souple 12 est insuffisante pour le déformer de sorte que le diamètre intérieur du tuyau souple 12 est sensiblement cylindrique et les filaments 15 se répartissent librement à l'intérieur du tuyau souple 12 en laissant libre une section de passage importante, de l'ordre de 2.6 mm2.According to Figures 8 and 10, when the rotary knob 14 is rotated so that the cam 141 does not push the lever 133 towards the hose 12, the pressure exerted by the bent portion of the lever 133 on the hose 12 is insufficient to deform so that the inner diameter of the flexible pipe 12 is substantially cylindrical and the filaments 15 are distributed freely inside the flexible pipe 12 leaving free a large passage section, of the order of 2.6 mm 2 .
Dans ce cas, la mise en route de la pompe électrique 3 au moyen du bouton 4 provoque l'aspiration de l'eau du réservoir 2 par le premier conduit 9 et le refoulement d'eau au travers du second conduit 10, le flux d'eau émis au travers de ce second conduit 10 étant divisé entre un premier flux relativement faible envoyé au travers de la première branche 11 vers le générateur de vapeur 5 et un second flux d'eau, plus important, envoyé au travers du tuyau souple 12 vers le réservoir du fait de l'importante section de passage laissée libre de part et d'autre des filaments 15.In this case, the start of the electric pump 3 by means of the button 4 causes the suction of the water from the tank 2 by the first duct 9 and the water delivery through the second duct 10, the flow of water. water emitted through this second duct 10 being divided between a first relatively small flow sent through the first branch 11 to the steam generator 5 and a second, larger flow of water, sent through the hose 12 towards the tank due to the large passage section left free on both sides of the filaments 15.
Le générateur de vapeur 5 se trouve alors alimenté avec un faible débit d'eau par la première branche de canalisation 11 , ce qui permet un fonctionnement de l'appareil de défroissage avec un faible débit de vapeur.The steam generator 5 is then fed with a low flow of water through the first pipe branch 11, which allows operation of the steamer with a low steam flow.
A l'inverse lorsque l'utilisateur tourne le bouton 14 pour l'amener vers la position extrême illustrée à la figure 9, la came 141 solidaire du bouton 14 déplace le levier 133 en direction du tuyau souple 12 qui se déforme sous la compression exercée par la partie coudée du levier 133 de sorte que la section de passage à l'intérieur du tuyau souple 12 est fortement réduite autour des filaments 15, ainsi que cela est illustré sur la figure 11. Il en résulte une section de passage ιu 12 essentiellement limitée à l'espace résiduel entre les filamentsConversely, when the user turns the knob 14 to bring it to the extreme position shown in FIG. 9, the cam 141 integral with the button 14 moves the lever 133 towards the flexible pipe 12 which deforms under the compression exerted by the bent portion of the lever 133 so that the passage section inside the flexible pipe 12 is greatly reduced around the filaments 15, as is illustrated in Figure 11. This results in a passage section ιu 12 essentially limited to the residual space between the filaments
15 de section circulaire appliqués l'un contre l'autre et donc une perte de charge très importante dans le tuyau souple 12 ayant pour conséquence l'envoi de la majeure partie du flux d'eau issu de la pompe 3 vers la première branche de canalisation 11 en direction du générateur de vapeur 5.15 of circular section applied against each other and therefore a very significant pressure drop in the hose 12 resulting in the sending of the bulk of the water flow from the pump 3 to the first branch of pipe 11 towards the steam generator 5.
Le flux de vapeur sortant par les trous de sorties de vapeur 70 se trouve alors augmenté, l'appareil produisant un débit de vapeur maximum.The flow of steam exiting through the steam outlet holes 70 is then increased, the apparatus producing a maximum steam flow.
Le bouton 14 peut également être amené dans une position intermédiaire, dans laquelle il est verrouillé en position par la coopération du pion 16 avec l'empreinte 142 médiane du bouton 14. Dans cette position, l'écrasement du tuyau souple 12 est tel que sa hauteur est réduite de moitié, ainsi que cela est illustré sur la figure 12, et la section de passage au travers tuyau souple 12 muni des filaments 15 devient de l'ordre de 1 mm2. Une telle position intermédiaire du bouton 15 permet d'obtenir une perte de charge moyenne au travers du tuyau souple 12 de sorte que le débit d'eau envoyé vers le générateur de vapeur 5 correspond à un débit de vapeur moyen.The button 14 can also be brought to an intermediate position, in which it is locked in position by the cooperation of the peg 16 with the central groove 142 of the button 14. In this position, the crushing of the hose 12 is such that its height is reduced by half, as is illustrated in Figure 12, and the passage section through flexible hose 12 provided with the filaments 15 becomes of the order of 1 mm 2 . Such an intermediate position of the knob 15 makes it possible to obtain an average pressure drop across the hose 12 so that the flow of water sent to the steam generator 5 corresponds to a mean steam flow rate.
Un tel dispositif, dans lequel un tuyau souple est pincé pour en modifier sa section de passage, présente l'avantage de permettre le réglage du débit de vapeur de l'appareil de défroissage par un système mécanique simple et économique à réaliser. En particulier, un tel dispositif permet de modifier le débit de vapeur de l'appareil sans agir sur l'alimentation électrique de la pompe.Such a device, in which a hose is clamped to modify its passage section, has the advantage of allowing the adjustment of the steam flow of the steaming device by a simple and economical mechanical system to achieve. In particular, such a device makes it possible to modify the steam flow of the apparatus without affecting the power supply of the pump.
De plus, la présence de filaments dans le tuyau souple présente l'avantage de permettre une réduction plus progressive de la section de passage du tuyau et donc un meilleur contrôle du débit le traversant. En effet, bien qu'il soit possible de régler grossièrement le débit traversant un tuyau souple en comprimant ce dernier lorsque le tuyau ne renferme pas de filaments, un tel dispositif présente l'inconvénient de procurer un réglage peu progressif, la section de passage du tuyau se réduisant faiblement dans la première phase de compression du tuyau et beaucoup plus brutalement lorsque les deux parois opposées du tuyau viennent au contact l'une de l'autre.In addition, the presence of filaments in the flexible pipe has the advantage of allowing a more gradual reduction of the passage section of the pipe and therefore better control of the flow therethrough. Indeed, although it is possible to roughly adjust the flow rate through a flexible pipe by compressing the latter when the pipe does not contain filaments, such a device has the disadvantage of providing a little progressive adjustment, the passage section of the pipe decreasing slightly in the first phase of compression of the pipe and much more brutally when the two opposite walls of the pipe come into contact with one another.
Enfin, la présence des filaments dans le tuyau souple présente également l'avantage d'éviter le phénomène de collage des parois se produisant lorsque un tuyau en caoutchouc sont maintenues longtemps pressées l'une contre l'autre, les filaments évitant que les parois opposées du tuyau souple ne soient en contact lorsque ce dernier est écrasé par la partie coudée du levier. De plus, la section circulaire des filaments permet de limiter la surface de contact des filaments entre eux ou avec le tuyau souple de sorte que le phénomène d'adhérence est limité, l'utilisation du matériau polyamide pour les filaments permettant également d'éviter que les filaments ne restent collés entre eux.Finally, the presence of the filaments in the flexible pipe also has the advantage of avoiding the phenomenon of bonding of the walls occurring when a rubber hose is held pressed for a long time against each other, the filaments preventing the opposite walls of the hose from being in contact when the latter is crushed by the bent portion of the lever. In addition, the circular section of the filaments makes it possible to limit the contact surface of the filaments between them or with the flexible pipe so that the phenomenon of adhesion is limited, the use of the polyamide material for the filaments also making it possible to prevent the filaments do not stick together.
Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention. Of course, the invention is not limited to the embodiment described and illustrated which has been given by way of example. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims

REVENDICATIONS
1) Appareil pour le traitement du linge comportant un réservoir d'eau (2), un générateur de vapeur (5) pour la diffusion de vapeur en direction du linge et un circuit d'alimentation en eau du générateur de vapeur (5) comportant une pompe électrique (3), ledit circuit d'alimentation comportant un tuyau souple (12) et un dispositif (13) pour ajuster le débit d'eau envoyé vers le générateur de vapeur comprenant des moyens (133) pour comprimer le tuyau souple (12) afin de modifier sa section de passage, caractérisé en ce que le dispositif (13) pour ajuster le débit comprend plusieurs filaments (15) de faible section s'étendant à l'intérieur du tuyau souple (12), à hauteur des moyens (133) pour comprimer le tuyau (12).1) Apparatus for treating laundry comprising a water tank (2), a steam generator (5) for vapor diffusion towards the laundry and a water supply circuit of the steam generator (5) comprising an electric pump (3), said supply circuit comprising a hose (12) and a device (13) for adjusting the flow of water to the steam generator comprising means (133) for compressing the hose ( 12) for modifying its passage section, characterized in that the device (13) for adjusting the flow rate comprises a plurality of filaments (15) of small section extending inside the hose (12), up to the means (133) for compressing the pipe (12).
2) Appareil pour le traitement du linge selon la revendication 1 , caractérisé en ce que le tuyau souple (12) contient au moins dix filaments (15). 3) Appareil pour le traitement du linge selon l'une quelconque des revendications 1 à 2, caractérisé en ce que les filaments (15) sont réalisés en matériau plastique.2) Apparatus for treating laundry according to claim 1, characterized in that the hose (12) contains at least ten filaments (15). 3) Apparatus for treating laundry according to any one of claims 1 to 2, characterized in that the filaments (15) are made of plastic material.
4) Appareil pour le traitement du linge selon la revendication 3, caractérisé en ce que les filaments (15) sont réalisés en polyamide. 5) Appareil selon l'une quelconque des revendications 1 à 4, caractérisé en ce que lesdits moyens pour comprimer le conduit comportent un levier (133) articulé actionné par une came rotative (141).4) Apparatus for treating laundry according to claim 3, characterized in that the filaments (15) are made of polyamide. 5) Apparatus according to any one of claims 1 to 4, characterized in that said means for compressing the conduit comprises a lever (133) hinged actuated by a rotary cam (141).
6) Appareil selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ladite pompe électrique (3) comporte un orifice d'admission (30) relié par un premier conduit (9) au réservoir d'eau (2) et un orifice de refoulement (31) relié par un second conduit (10) à un embranchement comportant une première branche (11) reliée au générateur de vapeur et une seconde branche (12) reliée au réservoir d'eau (2), ladite seconde branche (12) comportant ledit dispositif (13) pour ajuster le débit. 7) Appareil selon l'une quelconque des revendications 1 à 6, caractérisé en ce appareil est une brosse de défroissage portative.6) Apparatus according to any one of claims 1 to 5, characterized in that said electric pump (3) comprises an inlet port (30) connected by a first conduit (9) to the water tank (2) and a delivery port (31) connected by a second conduit (10) to a branch having a first branch (11) connected to the steam generator and a second branch (12) connected to the water tank (2), said second branch (12) having said device (13) for adjusting the flow rate. 7) Apparatus according to any one of claims 1 to 6, characterized in that device is a portable hair removal brush.
8) Dispositif (13) pour contrôler le débit de liquide traversant un tuyau souple (12) dans lequel des moyens (133) viennent comprimer localement le tuyau souple (12) afin de réduire sa section de passage, caractérisé en ce que ledit dispositif (13) comporte plusieurs filaments (15) de faible section s'étendant à l'intérieur du tuyau souple (12), à hauteur des moyens (133) pour comprimer le tuyau (12).8) Device (13) for controlling the flow rate of liquid passing through a hose (12) in which means (133) locally compress the hose (12) in order to reduce its passage section, characterized in that said device ( 13) comprises a plurality of filaments (15) of small section extending inside the flexible pipe (12), at the height of the means (133) for compressing the pipe (12).
9) Dispositif selon la revendication 8, caractérisé en ce que le volume intérieur du tuyau souple (12) renferme au moins dix filaments (15). 10) Dispositif selon l'une quelconque des revendications 8 à 9, caractérisé en ce que les filaments (15) sont réalisés en matériau plastique.9) Device according to claim 8, characterized in that the inner volume of the flexible pipe (12) contains at least ten filaments (15). 10) Device according to any one of claims 8 to 9, characterized in that the filaments (15) are made of plastic material.
11)Dispositif selon la revendication 10, caractérisé en ce que les filaments (15) sont réalisés en polyamide. 11) Device according to claim 10, characterized in that the filaments (15) are made of polyamide.
EP08737564A 2007-05-07 2008-04-21 Linen processing apparatus including a device for controlling the water flow supplied to a steam generator Withdrawn EP2155953A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0703269A FR2916004B1 (en) 2007-05-07 2007-05-07 APPARATUS FOR THE TREATMENT OF LAUNDRY COMPRISING A DEVICE FOR CONTROLLING THE FLOW OF WATER SENT TO A STEAM GENERATOR
PCT/IB2008/001056 WO2008135827A2 (en) 2007-05-07 2008-04-21 Linen processing apparatus including a device for controlling the water flow supplied to a steam generator

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EP (1) EP2155953A2 (en)
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WO2008135827A3 (en) 2009-01-22
FR2916004A1 (en) 2008-11-14
WO2008135827A9 (en) 2009-12-03
US20100299974A1 (en) 2010-12-02
CN201447605U (en) 2010-05-05
FR2916004B1 (en) 2009-06-12
WO2008135827A2 (en) 2008-11-13
US8250788B2 (en) 2012-08-28

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