EP3640395A1 - Steam crease removal device - Google Patents

Steam crease removal device Download PDF

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Publication number
EP3640395A1
EP3640395A1 EP19203114.4A EP19203114A EP3640395A1 EP 3640395 A1 EP3640395 A1 EP 3640395A1 EP 19203114 A EP19203114 A EP 19203114A EP 3640395 A1 EP3640395 A1 EP 3640395A1
Authority
EP
European Patent Office
Prior art keywords
pump
electrical resistance
flow
vaporization chamber
head
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
EP19203114.4A
Other languages
German (de)
French (fr)
Other versions
EP3640395B1 (en
Inventor
Dominique Gelus
David CASTEBERT
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.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP3640395A1 publication Critical patent/EP3640395A1/en
Application granted granted Critical
Publication of EP3640395B1 publication Critical patent/EP3640395B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 steamĀ 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/20—Arrangements for discharging the steam to the article being ironed
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
    • 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
    • D06F75/26—Temperature control or indicating arrangements
    • 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
    • D06F75/30—Hand irons of special external shape or form
    • 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
    • D06F87/00—Apparatus for moistening or otherwise conditioning the article to be ironed or pressed
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28—Electric heating
    • 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
    • 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

Definitions

  • the present invention relates to the field of ironing and / or steaming appliances comprising a handle connected to a steam emission head comprising a treatment face intended to come vertically opposite a garment to be steamed and comprising at least a steam outlet.
  • the invention relates more particularly to an apparatus in which the vapor emission head comprises a heating body comprising an instantaneous vaporization chamber and an electrical resistance regulated by means of a thermostat to maintain the temperature of the vaporization chamber around a set temperature, the apparatus comprising an electric pump for injecting liquid into the vaporization chamber.
  • Such an apparatus is for example known from the patent application FR 3 060 027 .
  • Such devices provided with an instantaneous vaporization chamber into which water is injected by means of an electric pump have the advantage of offering high vapor flow rates.
  • discharges of non-vaporized water are observed, in particular after the head has been used while being tilted to the side. Indeed, under these conditions a part of the heating element is not in contact with water so that the thermostat frequently cuts the heating and the water quickly accumulates in the vaporization chamber when the electrical supply of the heating element is cut off.
  • the large power supplied by the heating element quickly generates a strong vapor flow, resulting from the vaporization of part of the water accumulated in the vaporization chamber, which carries with it droplets of water, from the water accumulated in the vaporization chamber, which are ejected through the vapor outlet holes.
  • the following invention aims to overcome these drawbacks by proposing in particular a a steamer that produces a large flow of steam and can be used in any position, further reducing the risk of spitting water droplets through the steam outlet.
  • an ironing and / or steaming appliance comprising a handle connected to a steam emission head comprising a treatment face intended to come vertically opposite a garment to be steamed and comprising at least one vapor outlet orifice, the vapor emission head comprising a heating body comprising an instantaneous vaporization chamber and an electrical resistance regulated by means of a thermostat to maintain the temperature of the vaporization chamber around a set temperature, the apparatus comprising an electric pump for injecting liquid into the vaporization chamber, characterized in that the pump is controlled by a control circuit which receives information relating to the supply state of the electrical resistance by the thermostat and in that the control circuit modifies the operating conditions of the pump as a function of the state d supply of the electrical resistance, the pump operating at a first flow when the electrical resistance is supplied with current and at a second flow when the electrical resistance is not supplied with current, the second flow being lower than the first flow.
  • Such a characteristic makes it possible to limit the flow of water injected into the vaporization chamber when the electrical resistance is no longer electrically supplied. This reduces the amount of water sent to the vaporization chamber when the electrical resistance does not provide energy to vaporize the water, which reduces the risk of ejection of water droplets with the vapor flow. . Conversely, when the electrical resistance is electrically supplied, the available power is used to increase the pump flow rate and produce a larger quantity of steam without the risk of water accumulation in the instantaneous vaporization chamber.
  • thermostat any regulating device, whether mechanical, electrical or electronic, allowing the temperature to be maintained around a prescribed value.
  • pump flow is meant the average pump flow over time. This flow can result either from continuous operation of the pump, or from intermittent operation of the pump, obtained for example by chopping its supply over a given period.
  • the device comprises a button connected to the pump control circuit which makes it possible to start and / or stop the pump.
  • Such a button allows the user to take control of the steam emission by the device, the user being able to easily stop the steam emission when the latter is not necessary.
  • the button is a trigger which controls the operation of the pump when it is activated, the release of the trigger causing the pump to stop.
  • the second flow rate of the pump is obtained by chopping the supply current of the pump.
  • the second flow rate of the pump represents less than 75%, and preferably less than 50%, of the first flow rate of the pump.
  • the first flow rate is between 20 and 50 g / min.
  • the vaporization chamber projects in the middle of an enclosure of the heating body, the enclosure defining a distribution circuit around the vaporization chamber.
  • the treatment face is carried by an end plate disposed at a longitudinal end of the head, the handle extending transversely to the head.
  • the heating body has a front face which comes into contact with the end plate, the front face comprising a lumen communicating the vapor outlet hole of the treatment face with the enclosure of the heating body.
  • Such a characteristic makes it possible to thermally couple the treatment face with the heating body in order to maintain the temperature of the treatment face at a temperature above 100 Ā° C. and to prevent condensation of the vapor thereon.
  • the device comprises a portable housing comprising the head, the handle, the heating body, the pump, the control circuit and a liquid reservoir.
  • Such a construction allows the production of a compact device with very good vaporization performance.
  • the figure 1 shows an ironing apparatus comprising a portable plastic housing comprising a base 1 surmounted by a handle 2 and a head 3 for emitting steam, the base 1 comprising a flat underside provided with feet on which the device can come to rest stably in a substantially vertical position.
  • the base 1 of the device comprises a cord 11 of electrical supply allowing its connection to a domestic electrical network and the head 3 of steam emission comprises a rear face provided with a button 4, visible on the figure 2 , to turn on the device.
  • the base 1 contains an electric pump 5, illustrated in dotted lines on the figure 1 , the operation of which is controlled by a control circuit comprising a trigger 52 and an electronic control card 9.
  • the trigger 52 is advantageously disposed at the top of the handle 2 and actuates, in a manner known per se, a switch connected to the control card 9 to control the operation of the pump 5 when the trigger is actuated and to stop the pump 5 when the trigger 52 is released.
  • the pump 5 is supplied with liquid by a reservoir 10 partially formed in the base 1 and in the lower part of the handle 2, this reservoir 10 being advantageously removable from the device to facilitate its filling.
  • the vapor emission head 3 has a slender shape extending transversely to the longitudinal direction of the handle 2 and has a longitudinal end provided with a flat end plate 30 having a treatment face 30A intended to come vertically into look of the garment to be ironed, this end plate 30 comprising a slot 31 for the emission of a vapor flow.
  • the vapor emission head 3 contains a heating body 6 which is closed at its upper end by a cover 7 receiving two nozzles 50 connected by a pipe 51 made of Y-shaped silicone to the pump 5, the heating body 6 having a general shape in a rectangular parallelepiped comprising a front face coming into thermal contact with the end plate 30.
  • the heating body 6 defines an enclosure at the center of which is disposed a vaporization chamber 60, the latter being delimited laterally by a peripheral wall 61 having a semicircular front end and a rectilinear rear end, the vaporization chamber 60 being closed at its upper end by the cover 7, the latter coming to rest in a sealed manner on the top of the peripheral wall 61.
  • the enclosure of the heating body 6 comprises, outside the peripheral wall 61, a volume which defines a distribution circuit 8, on either side of the vaporization chamber 60, in which the vapor produced by the chamber vaporization 60 can flow towards a light 80 formed in the front face of the heating body 6, visible on the figure 3 , this light 80 having a shape corresponding to the shape of the vapor emission slot 31 of the treatment face 30A of the head 3.
  • the heating body 6 is advantageously constituted by an aluminum foundry in which is embedded an electrical resistance 62, of armored resistance type in U shape, with a power comprised between 1200 W and 2000 W and preferably of the order of 1800W .
  • the supply of the electrical resistance 62 is regulated by means of a thermostat, not visible in the figures, around a set temperature Tc measured at the center of the vaporization chamber 60.
  • the value of the temperature setpoint Tc is not adjustable by the user and is between 110 Ā° C and 180 Ā° C.
  • the thermostat may be constituted by a mechanical thermostat, of the bimetallic strip type, which is fitted against the bottom wall of the vaporization chamber 60 or by a temperature sensor, of the CTN type, placed in place of the mechanical thermostat and associated with an electronic card for controlling the electrical resistance 62.
  • the thermostat communicates with the control card 9 of the pump 5, for example by a wired link, to transmit to the latter information relating to the supply state of the electrical resistance 62.
  • the heating body 6 may also include a fuse circuit breaker which cuts the electrical supply to the electrical resistance 62 in the event of a thermostat failure, such a circuit breaker being able for example to act when the temperature of the heating body 6 exceeds 250 Ā° C.
  • the control card 9 of the pump 5 includes a microprocessor which implements the operating method described below:
  • the appliance When the appliance is switched on by pressing the button 4, the appliance implements a preheating step in which the electrical resistance 62 of the vaporization chamber 60 is supplied with current until the temperature of the vaporization chamber 60 reaches the setpoint temperature Tc, the supply of the electrical resistance 62 then being regulated around this setpoint temperature Tc by the thermostat.
  • the actuation of the trigger 52 does not cause the operation of the pump 5 as long as the temperature of the vaporization chamber 60 has not reached the set temperature Tc.
  • the temperature of the vaporization chamber 60 is maintained around the set temperature Tc by the thermostat, the latter cutting off the supply of the electrical resistance 62 when the measured temperature is higher than the temperature setpoint Tc and, conversely, supplying current to the electrical resistance 62 when the measured temperature is lower than the setpoint temperature TC.
  • control card 9 controls the operation of the pump 5 at a flow rate which is a function of the supply state of the electrical resistance 62.
  • the control card 9 controls the operation of the pump 5 at a first flow, called maximum flow , advantageously of the order of 40 g / min.
  • the control card 9 controls the operation of the pump 5 at a second flow rate, said reduced flow rate, advantageously of the order of 15 g / min.
  • the reduced flow rate of the pump 5 can be obtained by chopping the supply current from the pump 5.
  • control card 9 consequently adapts the flow rate of the pump 5 according to the operating rules defined above.
  • An apparatus is thus obtained making it possible to produce a high vapor flow rate with a vaporization chamber having a low thermal mass while limiting the risks of water flowing through the vapor orifices.
  • the electrical resistance 60 when the electrical resistance 60 is not supplied, only the thermal energy stored in the mass of the heating body 6 ensures the evaporation of the water injected into the vaporization chamber 60. Since the heating body 6 has a limited mass, so that the device retains a limited weight and has good ergonomics of use, the evaporation capacity of the vaporization chamber 60 is lower when the electrical resistance 62 is not supplied while running.
  • the device thus produced therefore has the advantage of providing improved performance, thanks to a higher vapor flow rate, while retaining a reduced weight and limiting the risk of water flow due to incomplete evaporation of the water injected into the vaporization chamber.
  • the maximum flow rate of the pump may be adjustable by means of a button provided for this purpose.
  • the tank and possibly the pump can be deported to a separate base, the base then being connected to the vapor emission head by a conduit allowing the circulation of water from the tank to the vaporization chamber.
  • the ironing device may be an iron comprising a metal soleplate in thermal contact with the heating body.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Irons (AREA)

Abstract

Appareil de repassage et/ou dĆ©froissage Ć  la vapeur comportant une poignĆ©e (2) reliĆ©e Ć  une tĆŖte (3) d'Ć©mission de vapeur comportant une face de traitement (30A) destinĆ©e Ć  venir verticalement en regard d'un vĆŖtement Ć  dĆ©froisser et comprenant au moins un orifice (31) de sortie de vapeur, la tĆŖte (3) d'Ć©mission de vapeur comportant un corps chauffant (6) comprenant une chambre de vaporisation instantanĆ©e et une rĆ©sistance Ć©lectrique (62) rĆ©gulĆ©e au moyen d'un thermostat pour maintenir la tempĆ©rature de la chambre de vaporisation (60) autour d'une tempĆ©rature de consigne, l'appareil comportant une pompe (5) Ć©lectrique pour injecter du liquide dans la chambre de vaporisation (60), caractĆ©risĆ© en ce que la pompe (5) est pilotĆ©e par un circuit de commande qui reƧoit l'information relative Ć  l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique (62) par le thermostat et en ce que le circuit de commande modifie les conditions de fonctionnement de la pompe (5) en fonction de l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique (62), la pompe (5) fonctionnant selon un premier dĆ©bit lorsque la rĆ©sistance Ć©lectrique (62) est alimentĆ©e en courant et selon un deuxiĆØme dĆ©bit lorsque la rĆ©sistance Ć©lectrique (62) n'est pas alimentĆ©e en courant, le deuxiĆØme dĆ©bit Ć©tant plus faible que le premier dĆ©bit.Ironing and / or steam ironing apparatus comprising a handle (2) connected to a head (3) of steam emission comprising a treatment face (30A) intended to come vertically opposite a garment to be steamed and comprising at least one orifice (31) for steam outlet, the head (3) for steam emission comprising a heating body (6) comprising an instantaneous vaporization chamber and an electrical resistance (62) regulated by means of a thermostat for maintain the temperature of the vaporization chamber (60) around a set temperature, the apparatus comprising an electric pump (5) for injecting liquid into the vaporization chamber (60), characterized in that the pump (5 ) is controlled by a control circuit which receives the information relating to the state of supply of the electrical resistance (62) by the thermostat and in that the control circuit modifies the operating conditions of the pump (5) in fact ction of the supply state of the electrical resistance (62), the pump (5) operating at a first flow when the electrical resistance (62) is supplied with current and at a second flow when the electrical resistance (62) n is not supplied with current, the second flow being lower than the first flow.

Description

Domaine techniqueTechnical area

La prĆ©sente invention concerne le domaine des appareils de repassage/et ou dĆ©froissage Ć  la vapeur comportant une poignĆ©e reliĆ©e Ć  une tĆŖte d'Ć©mission de vapeur comportant une face de traitement destinĆ©e Ć  venir verticalement en regard d'un vĆŖtement Ć  dĆ©froisser et comprenant au moins un orifice de sortie de vapeur.The present invention relates to the field of ironing and / or steaming appliances comprising a handle connected to a steam emission head comprising a treatment face intended to come vertically opposite a garment to be steamed and comprising at least a steam outlet.

L'invention se rapporte plus particuliĆØrement Ć  un appareil dans lequel la tĆŖte d'Ć©mission de vapeur comporte un corps chauffant comprenant une chambre de vaporisation instantanĆ©e et une rĆ©sistance Ć©lectrique rĆ©gulĆ©e au moyen d'un thermostat pour maintenir la tempĆ©rature de la chambre de vaporisation autour d'une tempĆ©rature de consigne, l'appareil comprenant une pompe Ć©lectrique pour injecter du liquide dans la chambre de vaporisation.The invention relates more particularly to an apparatus in which the vapor emission head comprises a heating body comprising an instantaneous vaporization chamber and an electrical resistance regulated by means of a thermostat to maintain the temperature of the vaporization chamber around a set temperature, the apparatus comprising an electric pump for injecting liquid into the vaporization chamber.

Art AntƩrieurPrior Art

Un tel appareil est par exemple connu de la demande de brevet FR 3 060 027 .Such an apparatus is for example known from the patent application FR 3 060 027 .

De tels appareils munis d'une chambre de vaporisation instantanĆ©e dans laquelle de l'eau est injectĆ©e au moyen d'une pompe Ć©lectrique prĆ©sentent l'avantage d'offrir des dĆ©bits de vapeurs Ć©levĆ©s. Toutefois, on observe dans certaines conditions des rejets d'eau non vaporisĆ©e, notamment aprĆØs que la tĆŖte ait Ć©tĆ© utilisĆ©e en Ć©tant basculĆ©e sur le cĆ“tĆ©. En effet, dans ces conditions une partie de l'Ć©lĆ©ment chauffant n'est pas en contact avec l'eau de sorte que le thermostat coupe frĆ©quemment la chauffe et l'eau s'accumule rapidement dans le chambre de vaporisation lorsque l'alimentation Ć©lectrique de l'Ć©lĆ©ment chauffant est coupĆ©e. Ensuite, lorsque le thermostat se ferme, la puissance importante fournie par l'Ć©lĆ©ment chauffant gĆ©nĆØre rapidement un flux de vapeur puissant, rĆ©sultant de la vaporisation d'une partie de l'eau accumulĆ©e dans la chambre de vaporisation, qui entraine avec lui des gouttelettes d'eau, issues de l'eau accumulĆ©e dans la chambre de vaporisation, qui sont Ć©jectĆ©es par les trous de sortie de vapeur.Such devices provided with an instantaneous vaporization chamber into which water is injected by means of an electric pump have the advantage of offering high vapor flow rates. However, under certain conditions, discharges of non-vaporized water are observed, in particular after the head has been used while being tilted to the side. Indeed, under these conditions a part of the heating element is not in contact with water so that the thermostat frequently cuts the heating and the water quickly accumulates in the vaporization chamber when the electrical supply of the heating element is cut off. Then, when the thermostat closes, the large power supplied by the heating element quickly generates a strong vapor flow, resulting from the vaporization of part of the water accumulated in the vaporization chamber, which carries with it droplets of water, from the water accumulated in the vaporization chamber, which are ejected through the vapor outlet holes.

RƩsumƩ de l'inventionSummary of the invention

L'invention qui suit vise Ć  pallier ces inconvĆ©nients en proposant notamment un appareil de dĆ©froissage qui produise un dĆ©bit de vapeur important et qui puisse ĆŖtre utilisĆ© dans toutes les positions en rĆ©duisant encore le risque de crachement de gouttelettes d'eau par l'orifice de sortie de vapeur.The following invention aims to overcome these drawbacks by proposing in particular a a steamer that produces a large flow of steam and can be used in any position, further reducing the risk of spitting water droplets through the steam outlet.

Le but de l'invention est atteint par un appareil de repassage et/ou dĆ©froissage Ć  la vapeur comportant une poignĆ©e reliĆ©e Ć  une tĆŖte d'Ć©mission de vapeur comportant une face de traitement destinĆ©e Ć  venir verticalement en regard d'un vĆŖtement Ć  dĆ©froisser et comprenant au moins un orifice de sortie de vapeur, la tĆŖte d'Ć©mission de vapeur comportant un corps chauffant comprenant une chambre de vaporisation instantanĆ©e et une rĆ©sistance Ć©lectrique rĆ©gulĆ©e au moyen d'un thermostat pour maintenir la tempĆ©rature de la chambre de vaporisation autour d'une tempĆ©rature de consigne, l'appareil comportant une pompe Ć©lectrique pour injecter du liquide dans la chambre de vaporisation, caractĆ©risĆ© en ce que la pompe est pilotĆ©e par un circuit de commande qui reƧoit l'information relative Ć  l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique par le thermostat et en ce que le circuit de commande modifie les conditions de fonctionnement de la pompe en fonction de l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique, la pompe fonctionnant selon un premier dĆ©bit lorsque la rĆ©sistance Ć©lectrique est alimentĆ©e en courant et selon un deuxiĆØme dĆ©bit lorsque la rĆ©sistance Ć©lectrique n'est pas alimentĆ©e en courant, le deuxiĆØme dĆ©bit Ć©tant plus faible que le premier dĆ©bit.The object of the invention is achieved by an ironing and / or steaming appliance comprising a handle connected to a steam emission head comprising a treatment face intended to come vertically opposite a garment to be steamed and comprising at least one vapor outlet orifice, the vapor emission head comprising a heating body comprising an instantaneous vaporization chamber and an electrical resistance regulated by means of a thermostat to maintain the temperature of the vaporization chamber around a set temperature, the apparatus comprising an electric pump for injecting liquid into the vaporization chamber, characterized in that the pump is controlled by a control circuit which receives information relating to the supply state of the electrical resistance by the thermostat and in that the control circuit modifies the operating conditions of the pump as a function of the state d supply of the electrical resistance, the pump operating at a first flow when the electrical resistance is supplied with current and at a second flow when the electrical resistance is not supplied with current, the second flow being lower than the first flow.

Une telle caractƩristique permet de limiter le dƩbit d'eau injectƩ dans la chambre de vaporisation lorsque la rƩsistance Ʃlectrique n'est plus alimentƩe Ʃlectriquement. On rƩduit ainsi la quantitƩ d'eau envoyƩe dans la chambre de vaporisation lorsque la rƩsistance Ʃlectrique ne fournit pas d'Ʃnergie pour vaporiser l'eau, ce qui permet de rƩduire le risque d'Ʃjection de gouttelettes d'eau avec le flux de vapeur. A l'inverse lorsque la rƩsistance Ʃlectrique est alimentƩe Ʃlectriquement, on profite de la puissance disponible pour augmenter le dƩbit de la pompe et produire une plus grande quantitƩ de vapeur sans risque d'accumulation d'eau dans la chambre de vaporisation instantanƩe.Such a characteristic makes it possible to limit the flow of water injected into the vaporization chamber when the electrical resistance is no longer electrically supplied. This reduces the amount of water sent to the vaporization chamber when the electrical resistance does not provide energy to vaporize the water, which reduces the risk of ejection of water droplets with the vapor flow. . Conversely, when the electrical resistance is electrically supplied, the available power is used to increase the pump flow rate and produce a larger quantity of steam without the risk of water accumulation in the instantaneous vaporization chamber.

Par thermostat, on entend tout dispositif rƩgulateur, qu'il soit mƩcanique, Ʃlectrique ou Ʃlectronique, permettant de maintenir la tempƩrature autour d'une valeur prescrite.By thermostat is meant any regulating device, whether mechanical, electrical or electronic, allowing the temperature to be maintained around a prescribed value.

Par dƩbit de la pompe, on entend le dƩbit moyen de la pompe dans le temps. Ce dƩbit peut rƩsulter soit d'un fonctionnement en continu de la pompe, soit d'un fonctionnement intermittent de la pompe, obtenu par exemple par hachage de son alimentation sur un pƩriode donnƩe.By pump flow is meant the average pump flow over time. This flow can result either from continuous operation of the pump, or from intermittent operation of the pump, obtained for example by chopping its supply over a given period.

Selon une caractĆ©ristique avantageuse de l'invention, l'appareil comporte un bouton reliĆ© au circuit de commande de la pompe qui permet de mettre en marche et/ou d'arrĆŖter la pompe.According to an advantageous characteristic of the invention, the device comprises a button connected to the pump control circuit which makes it possible to start and / or stop the pump.

Un tel bouton permet Ć  l'utilisateur de prendre le contrĆ“le de l'Ć©mission de vapeur par l'appareil, l'utilisateur pouvant ainsi facilement stopper l'Ć©mission de vapeur lorsque cette derniĆØre n'est pas nĆ©cessaire.Such a button allows the user to take control of the steam emission by the device, the user being able to easily stop the steam emission when the latter is not necessary.

Selon une autre caractĆ©ristique avantageuse de l'invention, le bouton est une gĆ¢chette qui commande le fonctionnement de la pompe lorsqu'il est activĆ©, le relĆ¢chement de la gĆ¢chette provoquant l'arrĆŖt de la pompe.According to another advantageous characteristic of the invention, the button is a trigger which controls the operation of the pump when it is activated, the release of the trigger causing the pump to stop.

Une telle caractĆ©ristique permet d'offrir une trĆØs bonne ergonomie d'utilisation de l'appareil.Such a characteristic makes it possible to offer very good ergonomics of use of the device.

Selon une autre caractĆ©ristique avantageuse de l'invention, le deuxiĆØme dĆ©bit de la pompe est obtenu par hachage du courant d'alimentation de la pompe.According to another advantageous characteristic of the invention, the second flow rate of the pump is obtained by chopping the supply current of the pump.

Une telle caractƩristique permet d'obtenir une rƩduction du dƩbit de la pompe de faƧon simple et Ʃconomique.Such a characteristic makes it possible to obtain a reduction in the flow rate of the pump in a simple and economical manner.

Selon une autre caractĆ©ristique avantageuse de l'invention, le deuxiĆØme dĆ©bit de la pompe reprĆ©sente moins de 75 %, et de prĆ©fĆ©rence moins de 50%, du premier dĆ©bit de la pompe.According to another advantageous characteristic of the invention, the second flow rate of the pump represents less than 75%, and preferably less than 50%, of the first flow rate of the pump.

Une telle limitation du dƩbit permet de limiter fortement le risque d'accumulation d'eau dans la chambre de vaporisation.Such a limitation of the flow makes it possible to greatly limit the risk of accumulation of water in the vaporization chamber.

Selon encore une autre caractƩristique avantageuse de l'invention, le premier dƩbit est compris entre 20 et 50 g/min.According to yet another advantageous characteristic of the invention, the first flow rate is between 20 and 50 g / min.

Une telle caractĆ©ristique permet d'obtenir de trĆØs bonne performance de repassage/dĆ©froissage Ć  l'aide du flux de vapeur.Such a characteristic makes it possible to obtain very good ironing / ironing performance using the steam flow.

Selon encore une autre caractƩristique avantageuse de l'invention, la chambre de vaporisation fait saillie au milieu d'une enceinte du corps chauffant, l'enceinte dƩfinissant un circuit de distribution autour de la chambre de vaporisation.According to yet another advantageous characteristic of the invention, the vaporization chamber projects in the middle of an enclosure of the heating body, the enclosure defining a distribution circuit around the vaporization chamber.

Selon encore une autre caractĆ©ristique avantageuse de l'invention, la face de traitement est portĆ©e par une plaque d'extrĆ©mitĆ© disposĆ©e Ć  une extrĆ©mitĆ© longitudinale de la tĆŖte, la poignĆ©e s'Ć©tendant transversalement Ć  la tĆŖte.According to yet another advantageous characteristic of the invention, the treatment face is carried by an end plate disposed at a longitudinal end of the head, the handle extending transversely to the head.

Selon encore une autre caractĆ©ristique avantageuse de l'invention, le corps chauffant comporte une face avant qui vient au contact de la plaque d'extrĆ©mitĆ©, la face avant comprenant une lumiĆØre mettant en communication le trou de sortie de vapeur de la face de traitement avec l'enceinte du corps chauffant.According to yet another advantageous characteristic of the invention, the heating body has a front face which comes into contact with the end plate, the front face comprising a lumen communicating the vapor outlet hole of the treatment face with the enclosure of the heating body.

Une telle caractĆ©ristique permet de coupler thermiquement la face de traitement avec le corps chauffant pour maintenir la tempĆ©rature de la face de traitement Ć  une tempĆ©rature supĆ©rieure Ć  100Ā°C et Ć©viter la condensation de la vapeur sur celle-ci.Such a characteristic makes it possible to thermally couple the treatment face with the heating body in order to maintain the temperature of the treatment face at a temperature above 100 Ā° C. and to prevent condensation of the vapor thereon.

Selon encore une autre caractĆ©ristique de l'invention, l'appareil comporte un boĆ®tier portatif comprenant la tĆŖte, la poignĆ©e, le corps chauffant, la pompe, le circuit de commande et un rĆ©servoir de liquide.According to yet another characteristic of the invention, the device comprises a portable housing comprising the head, the handle, the heating body, the pump, the control circuit and a liquid reservoir.

Une telle construction permet la rĆ©alisation d'un appareil compact avec de trĆØs bonnes performances de vaporisation.Such a construction allows the production of a compact device with very good vaporization performance.

BrĆØve description des dessinsBrief description of the drawings

On comprendra mieux les buts, aspects et avantages de la prĆ©sente invention, d'aprĆØs la description donnĆ©e ci-aprĆØs d'un mode particulier de rĆ©alisation de l'invention prĆ©sentĆ© Ć  titre d'exemple non limitatif, en se rĆ©fĆ©rant aux dessins annexĆ©s dans lesquels :

  • [Fig 1] La figure 1 est une vue en perspective d'un appareil de repassage selon un mode particulier de rĆ©alisation de l'invention ;
  • [Fig 2] La figure 2 est une autre vue en perspective de l'appareil de la figure 1 dĆ©munie d'une partie du boĆ®tier recouvrant la tĆŖte de l'appareil ;
  • [Fig 3] La figure 3 est une vue en perspective Ć©clatĆ©e du corps chauffant Ć©quipant l'appareil de la figure 1 ;
  • [Fig 4] La figure 4 est une vue de dessus du corps chauffant dĆ©muni de son couvercle de fermeture.
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 :
  • [ Fig 1 ] The figure 1 is a perspective view of an ironing apparatus according to a particular embodiment of the invention;
  • [ Fig 2 ] The figure 2 is another perspective view of the device from the figure 1 deprived of a part of the casing covering the head of the apparatus;
  • [ Fig 3 ] The figure 3 is an exploded perspective view of the heating body equipping the appliance with the figure 1 ;
  • [ Fig 4 ] The figure 4 is a top view of the heating body stripped of its closure cover.

Seuls les Ć©lĆ©ments nĆ©cessaires Ć  la comprĆ©hension de l'invention ont Ć©tĆ© reprĆ©sentĆ©s. Pour faciliter la lecture des dessins, les mĆŖmes Ć©lĆ©ments portent les mĆŖmes rĆ©fĆ©rences d'une figure Ć  l'autre.Only the elements necessary for understanding the invention have been represented. To make the drawings easier to read, the same elements have the same references from one figure to another.

Description des modes de rƩalisationDescription of the embodiments

On notera que dans ce document, les termes "horizontal", "vertical", "infĆ©rieur", "supĆ©rieur", "avant", "arriĆØre", "fond, "plafond" employĆ©s pour dĆ©crire l'appareil de dĆ©froissage font rĆ©fĆ©rence Ć  cet appareil lorsqu'il repose Ć  plat sur ses pieds.It will be noted that in this document, the terms "horizontal", "vertical", "lower", "upper", "front", "rear", "bottom," ceiling "used to describe the steamer refer to this device when it lies flat on its feet.

La figure 1 reprĆ©sente un appareil de repassage comportant un boĆ®tier portatif en matiĆØre plastique comprenant une embase 1 surmontĆ©e d'une poignĆ©e 2 et d'une tĆŖte 3 d'Ć©mission de vapeur, l'embase 1 comprenant une face infĆ©rieure plane munie de pieds sur lesquels l'appareil peut venir reposer stablement dans une position sensiblement verticale.The figure 1 shows an ironing apparatus comprising a portable plastic housing comprising a base 1 surmounted by a handle 2 and a head 3 for emitting steam, the base 1 comprising a flat underside provided with feet on which the device can come to rest stably in a substantially vertical position.

L'embase 1 de l'appareil comporte un cordon 11 d'alimentation Ć©lectrique permettant son raccordement Ć  un rĆ©seau Ć©lectrique domestique et la tĆŖte 3 d'Ć©mission de vapeur comporte une face arriĆØre munie d'un bouton 4, visible sur la figure 2, permettant de mettre sous tension l'appareil.The base 1 of the device comprises a cord 11 of electrical supply allowing its connection to a domestic electrical network and the head 3 of steam emission comprises a rear face provided with a button 4, visible on the figure 2 , to turn on the device.

L'embase 1 renferme une pompe 5 Ć©lectrique, illustrĆ©e en pointillĆ© sur la figure 1, dont le fonctionnement est commandĆ© par un circuit de commande comprenant une gĆ¢chette 52 et une carte de pilotage 9 Ć©lectronique. La gĆ¢chette 52 est avantageusement disposĆ©e au sommet de la poignĆ©e 2 et actionne, de maniĆØre connue en soi, un interrupteur reliĆ© Ć  la carte de pilotage 9 pour commander le fonctionnement de la pompe 5 lorsque la gĆ¢chette est actionnĆ©e et commander l'arrĆŖt de la pompe 5 lorsque la gĆ¢chette 52 est relĆ¢chĆ©e. La pompe 5 est alimentĆ©e en liquide par un rĆ©servoir 10 mĆ©nagĆ© partiellement dans l'embase 1 et dans la partie infĆ©rieure de la poignĆ©e 2, ce rĆ©servoir 10 Ć©tant avantageusement amovible de l'appareil pour faciliter son remplissage.The base 1 contains an electric pump 5, illustrated in dotted lines on the figure 1 , the operation of which is controlled by a control circuit comprising a trigger 52 and an electronic control card 9. The trigger 52 is advantageously disposed at the top of the handle 2 and actuates, in a manner known per se, a switch connected to the control card 9 to control the operation of the pump 5 when the trigger is actuated and to stop the pump 5 when the trigger 52 is released. The pump 5 is supplied with liquid by a reservoir 10 partially formed in the base 1 and in the lower part of the handle 2, this reservoir 10 being advantageously removable from the device to facilitate its filling.

La tĆŖte 3 d'Ć©mission de vapeur prĆ©sente une forme Ć©lancĆ©e s'Ć©tendant transversalement Ć  la direction longitudinale de la poignĆ©e 2 et comporte une extrĆ©mitĆ© longitudinale munie d'une plaque d'extrĆ©mitĆ© 30 plane prĆ©sentant une face de traitement 30A destinĆ©e Ć  venir verticalement en regard du vĆŖtement Ć  dĆ©froisser, cette plaque d'extrĆ©mitĆ© 30 comprenant une fente 31 pour l'Ć©mission d'un flux de vapeur.The vapor emission head 3 has a slender shape extending transversely to the longitudinal direction of the handle 2 and has a longitudinal end provided with a flat end plate 30 having a treatment face 30A intended to come vertically into look of the garment to be ironed, this end plate 30 comprising a slot 31 for the emission of a vapor flow.

ConformĆ©ment Ć  la figure 2, la tĆŖte 3 d'Ć©mission de vapeur renferme un corps chauffant 6 qui est fermĆ© Ć  son extrĆ©mitĆ© supĆ©rieure par un couvercle 7 recevant deux buses 50 reliĆ©es par un tuyau 51 en silicone en forme de Y Ć  la pompe 5, le corps chauffant 6 prĆ©sentant une forme gĆ©nĆ©rale en parallĆ©lĆ©pipĆØde rectangle comprenant une face avant venant au contact thermique de la plaque d'extrĆ©mitĆ© 30.In accordance with the figure 2 , the vapor emission head 3 contains a heating body 6 which is closed at its upper end by a cover 7 receiving two nozzles 50 connected by a pipe 51 made of Y-shaped silicone to the pump 5, the heating body 6 having a general shape in a rectangular parallelepiped comprising a front face coming into thermal contact with the end plate 30.

ConformĆ©ment aux figures 4 et 5, le corps chauffant 6 dĆ©finit une enceinte au centre de laquelle est disposĆ©e une chambre de vaporisation 60, cette derniĆØre Ć©tant dĆ©limitĆ©e latĆ©ralement par une paroi pĆ©riphĆ©rique 61 prĆ©sentant une extrĆ©mitĆ© avant semi-circulaire et une extrĆ©mitĆ© arriĆØre rectiligne, la chambre de vaporisation 60 Ć©tant fermĆ©e Ć  son extrĆ©mitĆ© supĆ©rieure par le couvercle 7, ce dernier venant reposer de maniĆØre Ć©tanche sur le sommet de la paroi pĆ©riphĆ©rique 61.In accordance with figures 4 and 5, the heating body 6 defines an enclosure at the center of which is disposed a vaporization chamber 60, the latter being delimited laterally by a peripheral wall 61 having a semicircular front end and a rectilinear rear end, the vaporization chamber 60 being closed at its upper end by the cover 7, the latter coming to rest in a sealed manner on the top of the peripheral wall 61.

L'enceinte du corps chauffant 6 comporte, Ć  l'extĆ©rieur de la paroi pĆ©riphĆ©rique 61, un volume qui dĆ©finit un circuit de distribution 8, de part et d'autre de la chambre de vaporisation 60, dans lequel la vapeur produite par la chambre de vaporisation 60 peut s'Ć©couler en direction d'une lumiĆØre 80 mĆ©nagĆ©e dans la face avant du corps chauffant 6, visible sur la figure 3, cette lumiĆØre 80 prĆ©sentant une forme correspondant Ć  la forme de la fente 31 d'Ć©mission de vapeur de la face de traitement 30A de la tĆŖte 3.The enclosure of the heating body 6 comprises, outside the peripheral wall 61, a volume which defines a distribution circuit 8, on either side of the vaporization chamber 60, in which the vapor produced by the chamber vaporization 60 can flow towards a light 80 formed in the front face of the heating body 6, visible on the figure 3 , this light 80 having a shape corresponding to the shape of the vapor emission slot 31 of the treatment face 30A of the head 3.

Le corps chauffant 6 est avantageusement constituĆ© par une fonderie en aluminium dans laquelle est noyĆ©e une rĆ©sistance Ć©lectrique 62, de type rĆ©sistance blindĆ©e en forme de U, d'une puissance comprise entre 1200 W et 2000 W et de prĆ©fĆ©rence de l'ordre de 1800W. L'alimentation de la rĆ©sistance Ć©lectrique 62 est rĆ©gulĆ©e au moyen d'un thermostat, non visible sur les figures, autour d'une tempĆ©rature de consigne Tc mesurĆ©e au centre de la chambre de vaporisation 60. De maniĆØre prĆ©fĆ©rentielle, la valeur de la tempĆ©rature de consigne Tc est non rĆ©glable par l'utilisateur et est comprise entre 110Ā°C et 180Ā°C.The heating body 6 is advantageously constituted by an aluminum foundry in which is embedded an electrical resistance 62, of armored resistance type in U shape, with a power comprised between 1200 W and 2000 W and preferably of the order of 1800W . The supply of the electrical resistance 62 is regulated by means of a thermostat, not visible in the figures, around a set temperature Tc measured at the center of the vaporization chamber 60. Preferably, the value of the temperature setpoint Tc is not adjustable by the user and is between 110 Ā° C and 180 Ā° C.

Le thermostat peut ĆŖtre constituĆ© par un thermostat mĆ©canique, de type bilame, qui est rapportĆ© contre la paroi de fond de la chambre de vaporisation 60 ou par une sonde de tempĆ©rature, de type CTN, disposĆ©e Ć  la place du thermostat mĆ©canique et associĆ©e Ć  une carte Ć©lectronique de commande de la rĆ©sistance Ć©lectrique 62.The thermostat may be constituted by a mechanical thermostat, of the bimetallic strip type, which is fitted against the bottom wall of the vaporization chamber 60 or by a temperature sensor, of the CTN type, placed in place of the mechanical thermostat and associated with an electronic card for controlling the electrical resistance 62.

Le thermostat communique avec la carte de pilotage 9 de la pompe 5, par exemple par une liaison filaire, pour transmettre Ć  cette derniĆØre l'information relative Ć  l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique 62.The thermostat communicates with the control card 9 of the pump 5, for example by a wired link, to transmit to the latter information relating to the supply state of the electrical resistance 62.

Le corps chauffant 6 peut Ć©galement comporter un coupe circuit fusible qui coupe l'alimentation Ć©lectrique de la rĆ©sistance Ć©lectrique 62 en cas de dĆ©faillance du thermostat, un tel coupe circuit pouvant par exemple agir lorsque la tempĆ©rature du corps chauffant 6 dĆ©passe 250Ā°C.The heating body 6 may also include a fuse circuit breaker which cuts the electrical supply to the electrical resistance 62 in the event of a thermostat failure, such a circuit breaker being able for example to act when the temperature of the heating body 6 exceeds 250 Ā° C.

La carte de pilotage 9 de la pompe 5 comporte un microprocesseur qui met en oeuvre le procƩdƩ de fonctionnement dƩcrit ci-dessous :
Lors de la mise en marche de l'appareil par une pression sur le bouton 4, l'appareil met en oeuvre une Ʃtape de prƩchauffage dans laquelle la rƩsistance Ʃlectrique 62 de la chambre de vaporisation 60 est alimentƩe en courant jusqu'Ơ ce que la tempƩrature de la chambre de vaporisation 60 atteigne la tempƩrature de consigne Tc, l'alimentation de la rƩsistance Ʃlectrique 62 Ʃtant alors rƩgulƩe autour de cette tempƩrature de consigne Tc par le thermostat.The control card 9 of the pump 5 includes a microprocessor which implements the operating method described below:
When the appliance is switched on by pressing the button 4, the appliance implements a preheating step in which the electrical resistance 62 of the vaporization chamber 60 is supplied with current until the temperature of the vaporization chamber 60 reaches the setpoint temperature Tc, the supply of the electrical resistance 62 then being regulated around this setpoint temperature Tc by the thermostat.

De maniĆØre prĆ©fĆ©rentielle, lors de cette Ć©tape de prĆ©chauffage, l'actionnement de la gĆ¢chette 52 ne provoque pas le fonctionnement de la pompe 5 tant que la tempĆ©rature de la chambre de vaporisation 60 n'a pas atteint la tempĆ©rature de consigne Tc.Preferably, during this preheating step, the actuation of the trigger 52 does not cause the operation of the pump 5 as long as the temperature of the vaporization chamber 60 has not reached the set temperature Tc.

Une fois l'Ʃtape de prƩchauffage terminƩe, la tempƩrature de la chambre de vaporisation 60 est maintenue autour de la tempƩrature de consigne Tc par le thermostat, ce dernier coupant l'alimentation de la rƩsistance Ʃlectrique 62 lorsque la tempƩrature mesurƩe est supƩrieure Ơ la tempƩrature de consigne Tc et, Ơ l'inverse, alimentant en courant la rƩsistance Ʃlectrique 62 lorsque la tempƩrature mesurƩe est infƩrieure Ơ la tempƩrature de consigne TC.Once the preheating step is finished, the temperature of the vaporization chamber 60 is maintained around the set temperature Tc by the thermostat, the latter cutting off the supply of the electrical resistance 62 when the measured temperature is higher than the temperature setpoint Tc and, conversely, supplying current to the electrical resistance 62 when the measured temperature is lower than the setpoint temperature TC.

Si l'utilisateur actionne la gĆ¢chette 52 une fois l'Ć©tape de prĆ©chauffage terminĆ©e, la carte de pilotage 9 commande le fonctionnement de la pompe 5 selon un dĆ©bit qui est fonction de l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique 62.If the user actuates the trigger 52 once the preheating step has ended, the control card 9 controls the operation of the pump 5 at a flow rate which is a function of the supply state of the electrical resistance 62.

Lorsque la gĆ¢chette 52 est actionnĆ©e et que le thermostat renvoie Ć  la carte de pilotage 9 l'information selon laquelle la rĆ©sistance Ć©lectrique 62 est alimentĆ©e Ć©lectriquement, la carte de pilotage 9 commande le fonctionnement de la pompe 5 Ć  un premier dĆ©bit, dit dĆ©bit maximal, avantageusement de l'ordre de 40g/min.When the trigger 52 is actuated and the thermostat sends back to the control card 9 the information according to which the electric resistance 62 is supplied electrically, the control card 9 controls the operation of the pump 5 at a first flow, called maximum flow , advantageously of the order of 40 g / min.

Lorsque la gĆ¢chette 52 est actionnĆ©e et que le thermostat renvoie Ć  la carte de pilotage 9 l'information selon laquelle la rĆ©sistance Ć©lectrique 62 n'est pas alimentĆ©e Ć©lectriquement, la carte de pilotage 9 commande le fonctionnement de la pompe 5 Ć  un deuxiĆØme dĆ©bit, dit dĆ©bit rĆ©duit, avantageusement de l'ordre de 15 g/min. A titre d'exemple, le dĆ©bit rĆ©duit de la pompe 5 pourra ĆŖtre obtenu par hachage du courant d'alimentation de la pompe 5.When the trigger 52 is actuated and the thermostat sends back to the control card 9 the information that the electrical resistance 62 is not electrically supplied, the control card 9 controls the operation of the pump 5 at a second flow rate, said reduced flow rate, advantageously of the order of 15 g / min. By way of example, the reduced flow rate of the pump 5 can be obtained by chopping the supply current from the pump 5.

Si l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique 62 change pendant que la gĆ¢chette 52 est maintenue appuyĆ©e par l'utilisateur, la carte de pilotage 9 adapte en consĆ©quence le dĆ©bit de la pompe 5 selon les rĆØgles de fonctionnement dĆ©finies ci-dessus.If the power supply state of the electrical resistance 62 changes while the trigger 52 is kept pressed by the user, the control card 9 consequently adapts the flow rate of the pump 5 according to the operating rules defined above.

On obtient ainsi un appareil permettant de produire un dƩbit ƩlevƩ de vapeur avec une chambre de vaporisation prƩsentant une faible masse thermique tout en limitant les risques d'Ʃcoulement d'eau par les orifices de vapeur.An apparatus is thus obtained making it possible to produce a high vapor flow rate with a vaporization chamber having a low thermal mass while limiting the risks of water flowing through the vapor orifices.

En effet, lorsque la rƩsistance Ʃlectrique 60 n'est pas alimentƩe, seule l'Ʃnergie thermique emmagasinƩe dans la masse du corps chauffant 6 permet d'assurer l'Ʃvaporation de l'eau injectƩe dans la chambre de vaporisation 60. Etant donnƩ que le corps chauffant 6 prƩsente une masse limitƩe, pour que l'appareil conserve un poids limitƩ et prƩsente une bonne ergonomie d'utilisation, la capacitƩ d'Ʃvaporation de la chambre de vaporisation 60 est plus faible lorsque la rƩsistance Ʃlectrique 62 n'est pas alimentƩe en courant.In fact, when the electrical resistance 60 is not supplied, only the thermal energy stored in the mass of the heating body 6 ensures the evaporation of the water injected into the vaporization chamber 60. Since the heating body 6 has a limited mass, so that the device retains a limited weight and has good ergonomics of use, the evaporation capacity of the vaporization chamber 60 is lower when the electrical resistance 62 is not supplied while running.

Ainsi, avec un dƩbit d'injection de la pompe 5 rƩduit lorsque la rƩsistance Ʃlectrique 62 n'est pas alimentƩe en courant, les risques qu'une partie de l'eau injectƩe dans la chambre de vaporisation 60 ne soit pas ƩvaporƩe sont rƩduits.Thus, with an injection flow rate of the pump 5 reduced when the electrical resistance 62 is not supplied with current, the risks that part of the water injected into the vaporization chamber 60 is not evaporated are reduced.

L'appareil ainsi rĆ©alisĆ© prĆ©sente donc l'avantage de procurer des performances amĆ©liorĆ©es, grĆ¢ce Ć  un dĆ©bit de vapeur plus Ć©levĆ©, tout en conservant un poids rĆ©duit et en limitant le risque d'Ć©coulement d'eau du fait d'une Ć©vaporation incomplĆØte de l'eau injectĆ©e dans la chambre de vaporisation.The device thus produced therefore has the advantage of providing improved performance, thanks to a higher vapor flow rate, while retaining a reduced weight and limiting the risk of water flow due to incomplete evaporation of the water injected into the vaporization chamber.

Bien entendu, l'invention n'est nullement limitƩe au mode de rƩalisation dƩcrit et illustrƩ qui n'a ƩtƩ donnƩ qu'Ơ titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers ƩlƩments ou par substitution d'Ʃquivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is in no way limited to the embodiment described and illustrated, which has been given only by way of example. Modifications remain possible, notably from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Ainsi dans une variante de rĆ©alisation, le dĆ©bit maximal de la pompe pourra ĆŖtre rĆ©glable au moyen d'un bouton prĆ©vu Ć  cet effet.Thus in an alternative embodiment, the maximum flow rate of the pump may be adjustable by means of a button provided for this purpose.

Ainsi dans une variante de rĆ©alisation non reprĆ©sentĆ©e, le rĆ©servoir et Ć©ventuellement la pompe, pourront ĆŖtre dĆ©portĆ©s dans une base sĆ©parĆ©e, la base Ć©tant alors reliĆ©e Ć  la tĆŖte d'Ć©mission de vapeur par un conduit permettant la circulation de l'eau du rĆ©servoir vers la chambre de vaporisation.Thus in a variant embodiment not shown, the tank and possibly the pump, can be deported to a separate base, the base then being connected to the vapor emission head by a conduit allowing the circulation of water from the tank to the vaporization chamber.

Ainsi, dans une variante de rĆ©alisation non reprĆ©sentĆ©e, l'appareil de repassage pourra ĆŖtre un fer Ć  repasser comprenant une semelle mĆ©tallique au contact thermique du corps chauffant.Thus, in an alternative embodiment not shown, the ironing device may be an iron comprising a metal soleplate in thermal contact with the heating body.

Claims (8)

Appareil de repassage et/ou dĆ©froissage Ć  la vapeur comportant une poignĆ©e (2) reliĆ©e Ć  une tĆŖte (3) d'Ć©mission de vapeur comportant une face de traitement (30A) destinĆ©e Ć  venir verticalement en regard d'un vĆŖtement Ć  dĆ©froisser et comprenant au moins un orifice (31) de sortie de vapeur, la tĆŖte (3) d'Ć©mission de vapeur comportant un corps chauffant (6) comprenant une chambre de vaporisation instantanĆ©e et une rĆ©sistance Ć©lectrique (62) rĆ©gulĆ©e au moyen d'un thermostat pour maintenir la tempĆ©rature de la chambre de vaporisation (60) autour d'une tempĆ©rature de consigne, l'appareil comportant une pompe (5) Ć©lectrique pour injecter du liquide dans la chambre de vaporisation (60), caractĆ©risĆ© en ce que la pompe (5) est pilotĆ©e par un circuit de commande qui reƧoit l'information relative Ć  l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique (62) par le thermostat et en ce que le circuit de commande modifie les conditions de fonctionnement de la pompe (5) en fonction de l'Ć©tat d'alimentation de la rĆ©sistance Ć©lectrique (62), la pompe (5) fonctionnant selon un premier dĆ©bit lorsque la rĆ©sistance Ć©lectrique (62) est alimentĆ©e en courant et selon un deuxiĆØme dĆ©bit lorsque la rĆ©sistance Ć©lectrique (62) n'est pas alimentĆ©e en courant, le deuxiĆØme dĆ©bit Ć©tant plus faible que le premier dĆ©bit.Steam ironing and / or ironing apparatus comprising a handle (2) connected to a steam emission head (3) comprising a treatment face (30A) intended to come vertically opposite a garment to be ironed and comprising at least one orifice (31) for steam outlet, the head (3) for steam emission comprising a heating body (6) comprising an instantaneous vaporization chamber and an electrical resistance (62) regulated by means of a thermostat for maintain the temperature of the vaporization chamber (60) around a set temperature, the apparatus comprising an electric pump (5) for injecting liquid into the vaporization chamber (60), characterized in that the pump (5 ) is controlled by a control circuit which receives the information relating to the power supply state of the electrical resistance (62) by the thermostat and in that the control circuit modifies the operating conditions of the pump (5) in fact ction of the supply state of the electrical resistance (62), the pump (5) operating at a first flow rate when the electrical resistance (62) is supplied with current and at a second flow rate when the electrical resistance (62) n is not supplied with current, the second flow being lower than the first flow. Appareil selon la revendication 1, caractĆ©risĆ© en ce que l'appareil comporte un bouton reliĆ© au circuit de commande de la pompe qui permet de mettre en marche et/ou d'arrĆŖter la pompe.Apparatus according to claim 1, characterized in that the apparatus comprises a button connected to the pump control circuit which makes it possible to start and / or stop the pump. Appareil selon la revendication 2, caractĆ©risĆ© en ce que le bouton est une gĆ¢chette qui commande le fonctionnement de la pompe lorsqu'il est activĆ©, le relĆ¢chement de la gĆ¢chette provoquant l'arrĆŖt de la pompe.Apparatus according to claim 2, characterized in that the button is a trigger which controls the operation of the pump when it is activated, the release of the trigger causing the pump to stop. Appareil selon l'une quelconque des revendications 1 Ć  3, caractĆ©risĆ© en ce que le deuxiĆØme dĆ©bit de la pompe est obtenu par hachage du courant d'alimentation de la pompe.Apparatus according to any one of claims 1 to 3, characterized in that the second flow rate of the pump is obtained by chopping the supply current of the pump. Appareil selon l'une quelconque des revendications 1 Ć  4, caractĆ©risĆ© en ce que le deuxiĆØme dĆ©bit de la pompe reprĆ©sente moins de 75 %, et de prĆ©fĆ©rence moins de 50%, du premier dĆ©bit de la pompe.Apparatus according to any one of claims 1 to 4, characterized in that the second flow rate of the pump represents less than 75%, and preferably less than 50%, of the first flow rate of the pump. Appareil selon l'une quelconque des revendications 1 Ć  5, caractĆ©risĆ© en ce que le premier dĆ©bit est compris entre 20 et 50 g/min.Apparatus according to any one of claims 1 to 5, characterized in that the first flow is between 20 and 50 g / min. Appareil selon l'une quelconque des revendications 1 Ć  6, caractĆ©risĆ© en ce que la face de traitement (30A) est portĆ©e par une plaque d'extrĆ©mitĆ© (30) disposĆ©e Ć  une extrĆ©mitĆ© longitudinale de la tĆŖte (3) et en ce que la poignĆ©e (2) s'Ć©tend transversalement Ć  la tĆŖte (3).Apparatus according to any one of claims 1 to 6, characterized in that the treatment face (30A) is carried by an end plate (30) disposed at a longitudinal end of the head (3) and in that the handle (2) extends transversely to the head (3). Appareil selon l'une quelconque des revendications 1 Ć  7, caractĆ©risĆ© en ce qu'il comporte un boĆ®tier portatif comprenant la tĆŖte (3), la poignĆ©e (2), le corps chauffant (6), la pompe (5), le circuit de commande et un rĆ©servoir (10) de liquide.Apparatus according to any one of Claims 1 to 7, characterized in that it comprises a portable housing comprising the head (3), the handle (2), the heating body (6), the pump (5), the circuit and a liquid reservoir (10).
EP19203114.4A 2018-10-18 2019-10-14 Steam crease removal device Active EP3640395B1 (en)

Applications Claiming Priority (1)

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FR1871215A FR3087454B1 (en) 2018-10-18 2018-10-18 STEAM DEFROSTING UNIT

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JP7378263B2 (en) 2023-11-13
FR3087454B1 (en) 2021-01-15
US11365511B2 (en) 2022-06-21
US20200123699A1 (en) 2020-04-23
CN111074514A (en) 2020-04-28
EP3640395B1 (en) 2021-03-10
JP2020062411A (en) 2020-04-23
CN111074514B (en) 2023-07-18
FR3087454A1 (en) 2020-04-24

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