EP3757279A1 - Bügeleisen, das eine rückhaltevorrichtung für die durch den dampf transportierten kalkpartikel umfasst - Google Patents

Bügeleisen, das eine rückhaltevorrichtung für die durch den dampf transportierten kalkpartikel umfasst Download PDF

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Publication number
EP3757279A1
EP3757279A1 EP20181696.4A EP20181696A EP3757279A1 EP 3757279 A1 EP3757279 A1 EP 3757279A1 EP 20181696 A EP20181696 A EP 20181696A EP 3757279 A1 EP3757279 A1 EP 3757279A1
Authority
EP
European Patent Office
Prior art keywords
iron
steam
vaporization chamber
heating body
exhaust channel
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
EP20181696.4A
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English (en)
French (fr)
Other versions
EP3757279B1 (de
Inventor
Frédéric COLLET
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 EP3757279A1 publication Critical patent/EP3757279A1/de
Application granted granted Critical
Publication of EP3757279B1 publication Critical patent/EP3757279B1/de
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
    • 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
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors

Definitions

  • the invention relates more particularly to an iron in which the steam distribution circuit comprises a cavity in which is arranged a device for retaining the scale particles transported by the steam flow, the cavity having, on one side , one end closed by a removable plug, accessible from outside the device, through which the retention device can be extracted from the device for cleaning and, on the other side, one end communicating with an opening made in a partition delimiting the rear end of the vaporization chamber and through which the flow of vapor enters the cavity.
  • the steam distribution circuit comprises a cavity comprising a scale recovery container comprising a filtration grid intended to retain the scale particles transported by the steam flow, the scale recovery container being removable by an orifice made on the the heel of the iron.
  • Such an iron has the advantage of retaining, upstream of the filtration grid, the largest particles of scale, preventing the latter from being emitted by the steam outlet holes in the ironing plate and do not stain the laundry.
  • Such an iron also has the advantage of comprising a heating body having a compact construction, in particular in the height direction.
  • this construction includes a duct for receiving the scale recovery container which is partially introduced into the vaporization chamber and limits the useful surface of the latter.
  • the vapor distribution circuit arranged downstream of the filtration grid comprises channels which extend to the periphery of the vaporization chamber and which therefore reduce the space available for the latter.
  • an object of the present invention is to provide an iron overcoming these drawbacks.
  • one aim of the invention is to provide an iron comprising a steam distribution circuit associated with a device for retaining scale particles, having a compact construction and making it possible to produce a high steam flow rate.
  • the invention relates to an iron comprising an ironing plate provided with at least one steam outlet hole, a heating body comprising a lower face thermally connected with the ironing plate and an upper face at the level. of which a vaporization chamber for the production of a steam flow is provided, and a steam distribution circuit making it possible to route the steam flow to said at least one steam outlet hole of the ironing plate, the circuit comprising a cavity in which is disposed a retention device comprising a filtration grid intended to retain scale particles transported by the vapor flow, the cavity having, on one side, an end provided with an orifice closed by a removable plug accessible from the outside of the appliance, through which the retention device can be extracted from the iron for cleaning and, on the other side, one end communicating with ec an opening formed in a partition delimiting the rear end of the vaporization chamber and through which the flow of vapor enters the cavity, the flow of vapor escaping from the cavity, after passing through the filtration grid, passing through at least one outlet opening which communicates with an exhaust channel
  • the iron thus produced has the advantage of having a greater compactness of the distribution circuit thanks to the orientation of the exhaust channel in the direction of the ironing plate at the rear of the heating body.
  • the volume available for the vaporization chamber in the central zone of the heating body is greater.
  • the exhaust channel opens out at the rear end of the steam distribution chamber.
  • the exhaust channel opens into the vapor distribution chamber in a zone located in the vicinity of the rear end of the vaporization chamber.
  • the exhaust channel is formed in a rear part of the heating body disposed laterally to the vaporization chamber and the outlet orifice is disposed laterally to the retention device.
  • the exhaust channel has a downward bent shape.
  • the outlet channel has a length of less than 5 cm.
  • the iron has two outlet openings arranged laterally on either side of the retention device, each outlet opening communicating with an exhaust channel.
  • Such a characteristic makes it possible to obtain a homogeneous and symmetrical distribution of the vapor flow in the vapor diffusion chamber.
  • the iron comprises a pump making it possible to inject water under pressure into the vaporization chamber.
  • Such a characteristic makes it possible to supply the vaporization chamber with a regular flow of water independently of the rise in pressure which may occur in the vaporization chamber.
  • the cavity is formed, at least in part, in a part which is attached to the heating body, the part comprising a main opening communicating with the opening formed in the partition, the orifice outlet of the cavity being disposed parallel to the main opening.
  • the part is fixed to a fixing interface arranged at a rear end of the heating body, the fixing interface comprising a steam supply duct comprising a first end passing through the partition to open in the vaporization chamber and a second end facing the main opening of the room.
  • the fixing interface comprises at least one outlet orifice.
  • the retention device comprises a scale collecting container entering the cavity through the scale discharge orifice, the container being arranged upstream of the filtration grid relative to to the direction of flow of the vapor flow.
  • Such a characteristic has the advantage of allowing the removal of scale from the iron by simply removing the scale collection container through the opening.
  • the scale recovery container has a storage volume greater than 4 cm3.
  • Such a feature makes it possible to collect the scale particles accumulated between two interviews, as well as the non-vaporized water in the vaporization chamber, without coming to contaminate the filtration grid.
  • the retention device has an open front end and a closed rear end, the retention device comprising a side window, receiving the filtration grid, through which the flow of steam escapes from the retention device.
  • the retention device comprises a seal on either side of the window.
  • the retention device is integral with the stopper.
  • Such a feature makes it possible to have a retention device which is automatically extracted from the apparatus when the cap is removed, allowing a systematic inspection of the state of the filtration grid by the user when a cleaning operation is carried out. .
  • Such a feature also makes it possible to reduce the number of operations that the user must perform in order to access the filtration grid and thus prevent the user from forgetting to put the filtration grid back on after it has been cleaned.
  • the iron comprises a housing which surmounts the heating body, the housing incorporating a reservoir which supplies the vaporization chamber with liquid.
  • the openings of the filtration grid have a size of at most 0.5 mm on a side.
  • Such a feature makes it possible to allow only substantially invisible scale particles to pass through to the vapor outlet holes.
  • the vaporization chamber is a instant vaporization chamber.
  • the iron has a heel on which it can rest during inactive ironing phases.
  • the scale evacuation orifice opens out at the level of the heel of the iron.
  • Such a feature has the advantage of offering excellent access to the scale discharge orifice when the iron rests on its ironing plate.
  • the figure 1 illustrates a steam iron 1 comprising an ironing plate 10 provided with a set of steam outlet holes 10A, visible on the figures 7 and 8 , the ironing plate 10 being surmounted by a plastic housing comprising a handle 11 extending longitudinally to the iron.
  • the handle 11 has a rear end extending by a heel 12 on which the iron can rest substantially vertically during inactive ironing phases, the heel 12 comprising two arms defining between them a space receiving a removable cap 13 giving access to a orifice 50 for removing lime.
  • the stopper 13 is fixed on a rear surface 12A of the housing, inscribed inside the heel 12, by a bayonet-type attachment similar to that described in more detail in the patent application.
  • the ironing plate 10 is thermally and mechanically linked to a heating body 2 integrated into the lower part of the housing, the heating body 2 comprising an aluminum foundry conventionally comprising a resistive element 20 bent into a horseshoe and a boss 21 provided for receive a thermostat for regulating the temperature of the ironing plate 10.
  • the ironing plate 10 comprises, in a manner known per se, a pointed front end and has a width gradually increasing from the pointed front end to a rounded rear end.
  • the heating body 2 comprises a peripheral wall 22 which laterally delimits a vaporization chamber 3 of the instantaneous vaporization type, comprising a bottom advantageously having a multitude of pyramidal studs making it possible to increase the heat exchange surface.
  • the vaporization chamber 3 is arranged in the center of the heating body 2 and is connected to the steam outlet holes 10A of the ironing plate 10 by a steam distribution circuit.
  • the heating body 2 also comprises a closing plate 24 which comes to rest on the upper edge of the peripheral wall 22, this closing plate 24 being surmounted by a water tank, not shown in the figures, integrated into the housing iron.
  • the tank is connected to an electric pump 9, visible on the figure 3 , advantageously arranged at the rear of the iron, the operation of which is controlled by means of a trigger 15 placed under the handle 11 of the iron.
  • the pump 9 supplies water to the vaporization chamber 3 at a pressure greater than 500 Pa, the water being diffused through an injection nozzle 29 arranged on the closure plate 24, the assembly being adapted to allow the production of a steam flow higher than 60 gr / min according to the standardized cycle of 5 sec of vaporization followed by 15 sec of stopping.
  • the peripheral wall 22 has a flat partition 22A delimiting the rear end of the vaporization chamber 3, the partition 22A being contiguous to a rear block of the heating body 2 at which the two ends of the resistive element 20 emerge.
  • rear block forms a fixing flange 23 on which is fixed a manifold 5, the partition 22A comprising an opening 22B through which the vapor produced in the vaporization chamber 3 can escape in the direction of the manifold 5.
  • the rear block of the heating element 2 has a vapor supply duct 25 comprising a front end which is connected to the opening 22B, and comprising a rear end connected in a sealed manner to a connecting piece 53 defining the front end of the manifold 5, the duct 25 being advantageously inclined about 15 ° parallel to the plane of the ironing plate 10.
  • the duct 25 and the opening 22B have a passage section greater than 200 mm 2 and preferably of the order of 300 mm 2 , such a passage section making it possible to prevent the duct 25 and the opening 22B cannot be quickly clogged with tartar.
  • the manifold 5 advantageously has an envelope with an oblong passage section comprising a front end connected to the fixing flange 23 by means of the connecting piece 53, and a rear end comprising the orifice 50 receiving the removable plug 13.
  • the connecting piece 53 comprises a main opening 54 coming in the extension of the duct 25 and placing the duct 25 in communication with a receiving cavity 51 formed inside the collector 5 in which is arranged, in a manner known per se, a cavity of a device 8 for retaining tartar particles, the latter being able to be extracted or introduced into the cavity 51 through the orifice 50.
  • the collector 5 extends obliquely with respect to the plane of the ironing plate 10, making an angle of the order of 10 °, and it is located in a cantilever behind the ironing plate 10. when the iron 1 rests flat on its ironing plate 10.
  • the connecting piece 53 and the casing of the collector 5 are advantageously made by molding in plastic material, for example in PPS (polyphenylene sulfide) type material.
  • the connecting piece 53 is attached to the aluminum heating body 2 by being connected in a sealed manner to the latter, the main opening 54 advantageously having a rectangular shape and being delimited laterally by a protruding rib 55, visible on the figure 6 , which fits into a shoulder formed at the end of duct 25.
  • the device 8 for retaining the scale particles comprises a scale collecting container 6 advantageously made of plastic, of the polyamide PA 6-6 type reinforced with 30% glass fiber.
  • the container 6 comprises a nozzle 60 comprising an axial opening through which the flow of vapor emitted by the vaporization chamber 3 is admitted into the container 6, and a closed rear end fixed to the stopper 13.
  • the container 6 supports a first silicone seal 61 carried by the end piece 60 which engages in the connecting piece 53 to establish a substantially sealed connection with the latter when the stopper 13 occupies a closed position in which it is locked on the rear surface 12A of the iron 1.
  • the receptacle 6 also comprises a second silicone seal 62 which comes into contact with the inner wall of the cavity 51, at the edge of the orifice 50, to prevent the emission of steam through the orifice 50 when the plug 13 occupies the closed position.
  • the container 6 comprises, between the two seals 61, 62, two windows 63 open both on the side face and the upper face of the container 6, the two windows 63 being arranged on either side of a longitudinal bar 63A placed at the top of the container 6.
  • the receptacle 6 comprises a filtration grid 7 which extends through the windows 63 and over their entire surface.
  • the grid 7 has openings calibrated to retain the largest scale particles while providing a passage section sufficient for the required steam flow.
  • the filtration grid 7 is made of stainless steel wire with a diameter of between 0.05 mm and 0.1 mm, or of glass fabric made from a braided wire of 1 mm in diameter. , and has square openings of less than 0.5 mm on a side, and preferably between 0.05 mm and 0.5 mm.
  • the container 6 comprises a hollow lower part, preferably having a volume of the order of 4 to 15 cm3, in which the scale particles can be stored, the front end of the hollow part having a step 6A making it possible to prevent the scale recovered in the receptacle 6 from returning by gravity to the vaporization chamber 3 when the iron 1 is placed on its ironing plate 10.
  • the connecting piece 53 comprises two outlet orifices 56 disposed laterally on either side of the main opening 54, these two outlet orifices 56 communicating with exhaust channels 26 passing through the heating body 2, in s' extending in the direction of the underside of the heating body 2, to open into a steam distribution chamber 27 located between the heating body 2 and the ironing plate 10.
  • the outlet orifices 56 have a reduced passage section which makes it possible to facilitate their installation on either side of the main opening 54 without increasing the height of the heating body 2.
  • these exhaust channels 26 are advantageously provided in the rear part of the heating body 2, laterally to the vaporization chamber 3, the exhaust channels 26 extending laterally to the duct 25 and having a downward bent shape.
  • the exhaust channels 26 open at the level of the rear end of the vaporization chamber 3 and at the level of the rear end of the vapor distribution chamber 27, so that the exhaust channels 26 have a short length, preferably less than 5 cm.
  • the underside of the heating body 2 has flat surfaces 28 which protrude into the steam distribution chamber 27 and come into contact with the ironing plate 10 at areas of the ironing plate 10 devoid of steam outlet holes. , when the latter is assembled to the heating body 2, so as to produce heat transfer zones by conduction between the ironing plate 10 and the heating body 2.
  • the electric pump 9 When the trigger 15 of the iron 1 is actuated by the user, the electric pump 9 is activated and water is sent through the iron. nozzle 29.
  • the evaporation of the water creates the formation of a layer of calcium carbonate in the bottom of the vaporization chamber 3 which gradually disintegrates into small particles of scale under the effect in particular of the expansion of the heating body 2 during cooling phases between two ironing sessions.
  • the scale particles are entrained by the flow of steam in the direction of the opening 22B and are, in part, sent by their inertia into the bottom of the scale recovery container 6 where they are trapped, and, in part, sent towards the filtration grid 7.
  • This inertial separation of the scale particles is carried out in particular by virtue of the turn of the order of 90 ° made by the flow of steam at the inlet of the grid 7.
  • the movement of the scale particles towards the container 6 is also carried out by gravity each time the iron 1 is placed on its heel 12, the storage volume provided in the hollow part of the container 6 being adapted to receive the particles. scale, accompanied by any drops of water, without the latter coming into contact with the grid 7, thus avoiding its soiling.
  • the user can easily extract the container 6 recuperating the cavity 51 by unlocking the cap 13 and moving it rearwardly so as to slide the container 6 axially through the orifice 50 for evacuating the scale.
  • the contents of the container 6 can then be emptied and the container 6 can be run under running water for cleaning. If the user deems it necessary, he can also clean the grid 7 by rubbing it under water with a brush or by immersing it in a descaling liquid.
  • the iron thus produced comprises a steam distribution circuit, associated with a particle retention device, which have the advantage of being extremely compact, which makes it possible to provide an iron of small size and weight. reduced.
  • the short path of the exhaust ducts at the outlet of the particle retention device makes it possible to reduce the bulk, which contributes to obtaining a compact heating body.
  • the use of a pump injecting water under pressure into the vaporization chamber makes it possible, for its part, to obtain a high vapor flow rate.
  • the scale collection container may not be fixed on the stopper but include at its rear end a handle allowing it to be manually grasped by the user after removal of the stopper. .
  • the filtration grid can be removably mounted on the scale collecting container so that the filtration grid can be changed if necessary.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
EP20181696.4A 2019-06-28 2020-06-23 Bügeleisen, das eine rückhaltevorrichtung für die durch den dampf transportierten kalkpartikel umfasst Active EP3757279B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1907106A FR3097883B1 (fr) 2019-06-28 2019-06-28 Fer à repasser comportant un dispositif de rétention des particules de tartre transportées par la vapeur.

Publications (2)

Publication Number Publication Date
EP3757279A1 true EP3757279A1 (de) 2020-12-30
EP3757279B1 EP3757279B1 (de) 2022-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20181696.4A Active EP3757279B1 (de) 2019-06-28 2020-06-23 Bügeleisen, das eine rückhaltevorrichtung für die durch den dampf transportierten kalkpartikel umfasst

Country Status (3)

Country Link
EP (1) EP3757279B1 (de)
CN (1) CN112144255B (de)
FR (1) FR3097883B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004032361A1 (de) * 2004-07-03 2005-08-04 Braun Gmbh Verfahren zur Bereitstellung von Dampf und entsprechendes Dampfgerät
FR2981371A1 (fr) 2011-10-18 2013-04-19 Seb Sa Fer a repasser comportant une chambre de vaporisation reliee a une cavite de recuperation du tartre comprenant un orifice de detartrage
US20140298693A1 (en) * 2011-11-08 2014-10-09 Koninklijke Philips N.V. Steam generator iron
FR3062857A1 (fr) 2017-02-10 2018-08-17 Seb S.A. Fer a repasser comportant un dispositif de retention des particules de tartre transportees par la vapeur
WO2018216046A1 (en) * 2017-05-26 2018-11-29 De' Longhi Appliances S.R.L. Con Unico Socio Iron

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2979924B1 (fr) * 2011-09-09 2013-10-11 Seb Sa Appareil electromenager comportant un circuit de distribution de vapeur
FR3010420B1 (fr) * 2013-09-10 2015-09-25 Seb Sa Appareil electromenager de repassage comportant un filtre destine a retenir des particules de tartre transportees par la vapeur
FR3033338B1 (fr) * 2015-03-03 2017-02-24 Seb Sa Appareil electromenager de repassage comportant un filtre destine a retenir des particules de tartre transportees par la vapeur
EP3449054B1 (de) * 2016-04-26 2019-12-25 Koninklijke Philips N.V. Dampfbügeleisen mit einem sammelfach für kalkablagerungen
FR3063747B1 (fr) * 2017-03-13 2019-03-15 Seb S.A. Appareil a vapeur pourvu d'un element de filtration amovible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004032361A1 (de) * 2004-07-03 2005-08-04 Braun Gmbh Verfahren zur Bereitstellung von Dampf und entsprechendes Dampfgerät
FR2981371A1 (fr) 2011-10-18 2013-04-19 Seb Sa Fer a repasser comportant une chambre de vaporisation reliee a une cavite de recuperation du tartre comprenant un orifice de detartrage
US20140298693A1 (en) * 2011-11-08 2014-10-09 Koninklijke Philips N.V. Steam generator iron
FR3062857A1 (fr) 2017-02-10 2018-08-17 Seb S.A. Fer a repasser comportant un dispositif de retention des particules de tartre transportees par la vapeur
WO2018216046A1 (en) * 2017-05-26 2018-11-29 De' Longhi Appliances S.R.L. Con Unico Socio Iron

Also Published As

Publication number Publication date
CN112144255B (zh) 2024-01-26
FR3097883B1 (fr) 2021-05-28
FR3097883A1 (fr) 2021-01-01
EP3757279B1 (de) 2022-08-10
CN112144255A (zh) 2020-12-29

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