EP4299825A1 - Elektrisches haushaltsgerät zum bügeln und/oder glätten mit einer vorrichtung zum zurückhalten von dampfgetragenen kalkpartikeln - Google Patents

Elektrisches haushaltsgerät zum bügeln und/oder glätten mit einer vorrichtung zum zurückhalten von dampfgetragenen kalkpartikeln Download PDF

Info

Publication number
EP4299825A1
EP4299825A1 EP23177064.5A EP23177064A EP4299825A1 EP 4299825 A1 EP4299825 A1 EP 4299825A1 EP 23177064 A EP23177064 A EP 23177064A EP 4299825 A1 EP4299825 A1 EP 4299825A1
Authority
EP
European Patent Office
Prior art keywords
vaporization chamber
steam
scale
household appliance
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.)
Pending
Application number
EP23177064.5A
Other languages
English (en)
French (fr)
Inventor
Pierre Bayard
Severine BRIZIN
Olivier Manzini
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
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 SEB SA filed Critical SEB SA
Publication of EP4299825A1 publication Critical patent/EP4299825A1/de
Pending legal-status Critical Current

Links

Images

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
    • 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
    • D06F75/08—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 household appliances for steaming and/or ironing comprising a body comprising a vaporization chamber comprising an evaporation surface onto which water is injected to produce steam and a steam distribution circuit making it possible to route the steam flow towards at least one steam outlet hole, and in which the steam distribution circuit comprises a scale retention device, intended to retain scale particles transported by the steam flow, and a scale recovery cavity, arranged upstream of the retention device, comprising a scale evacuation orifice closed by a removable plug accessible from outside the device.
  • an iron comprising a steam distribution circuit connecting an instantaneous vaporization chamber to steam outlet holes provided in an ironing plate of the iron.
  • the steam distribution circuit comprises a cavity comprising a filtration grid intended to retain the scale particles transported by the steam flow, the filtration grid being integrated into a scale recovery container which is removable via an orifice placed on the heel of the iron.
  • Such an iron has the advantage of retaining, upstream of the filtration grid, the largest particles of scale, preventing them from being emitted through the steam outlet holes of the ironing plate and staining the iron. laundry. It also has the advantage of being able to extract the filtration grid for cleaning and to allow the evacuation of scale particles which have been retained upstream of the filtration grid.
  • the present invention aims to remedy these drawbacks.
  • the subject of the invention is a household appliance for ironing and/or steaming comprising a heating body comprising a vaporization chamber comprising an evaporation surface onto which water is injected to produce steam and a circuit steam distribution system making it possible to route the steam flow towards at least one steam outlet hole, the steam distribution circuit comprising at least one steam distribution device scale retention intended to retain in a cavity at least part of the scale particles transported by the steam flow, and an orifice for evacuating the scale trapped in the cavity, the orifice being closed by a removable plug accessible from the outside of the apparatus, characterized in that it comprises a self-cleaning device making it possible to suddenly send a large quantity of water onto the evaporation surface of the vaporization chamber after the latter has been brought to a temperature setpoint greater than 150°C in such a way that the temperature differential between the evaporation surface and the water is sufficient to induce thermal stresses on the scale deposited on the evaporation surface, thus causing the scale to break and to be dislodged from
  • the device may also have one or more of the following characteristics, taken alone or in combination.
  • the self-cleaning device can be activated on request by the user or automatically by the device.
  • the steam distribution circuit connects the vaporization chamber to said at least one steam outlet hole.
  • the device comprises a drip bushel making it possible to feed the vaporization chamber by gravity with water coming from a reservoir, and a control member making it possible to move the bushel drip into a self-cleaning position in which the amount of water injected by gravity into the vaporization chamber is maximized.
  • the device comprises an electric pump making it possible to supply the vaporization chamber with water coming from a reservoir and in that the pump is controlled by an electronic card which comprises a self-cleaning program for which the pump flow is maximized.
  • the set temperature of the evaporation surface of the vaporization chamber, when using the self-cleaning device is greater than the maximum temperature reached by the evaporation surface of the steam chamber when the appliance is used at the maximum temperature intended for ironing and/or steaming.
  • the scale retention device can be extracted from the household appliance for cleaning, advantageously through the scale evacuation port.
  • the device comprises a scale recovery container entering the cavity through the scale evacuation orifice, the container being arranged upstream of the scale retention device relative to the direction flow of the steam flow.
  • the scale retention device comprises a filtration grid.
  • the retention device has a front end provided with an opening and a closed rear end, the retention device comprising a side window receiving the filtration grid and through which the steam flow is escapes from the retention device.
  • the retention device is integral with the cap.
  • the device comprises a housing surmounting a heating body in which the vaporization chamber is arranged, said housing integrating, preferably, a reservoir which supplies liquid to the vaporization chamber.
  • the body heater comprises a heating resistor making it possible to heat the evaporation surface of the vaporization chamber.
  • the heating body comprises a thermostat making it possible to regulate the heating resistance supply to bring the evaporation surface of the vaporization chamber around a set temperature.
  • the device is an iron.
  • FIG 1 illustrates a steam iron 1 comprising an ironing plate 10 provided with a set of steam outlet holes 10A, visible only on the figure 2 , the ironing plate 10 being surmounted by a plastic housing comprising a gripping handle 11 extending longitudinally to the iron 1.
  • the handle 11 has a rear end extending by a heel 12 on which the iron 1 can rest substantially vertically during inactive ironing phases, the heel 12 comprising two arms delimiting between them a space receiving a removable plug 13 giving access to an orifice 50 for evacuating scale, visible on the figure 2 .
  • the plug 13 is fixed on a rear surface 12A of the housing, inscribed inside the heel 12, by a bayonet type fixing similar to that described in more detail in the patent application FR 2 981 371 filed by the applicant, the rear surface of the housing being slightly inclined towards the front to provide easier access when the iron 1 rests horizontally on its ironing plate 10.
  • the ironing plate 10 is thermally and mechanically linked to a heating body 2 integrated in the lower part of the housing, the heating body 2 comprising an aluminum foundry conventionally comprising a heating resistance 20 curved in the shape of a horseshoe and a boss 21 designed to receive a thermostat 14 for regulating the temperature of the heating body 2 around a set temperature.
  • the heating body 2 comprises a peripheral wall 22 which laterally delimits a space comprising a main vaporization chamber 3 and an excess vapor chamber 4, both of the instantaneous vaporization type and comprising a bottom having an evaporation surface advantageously comprising a multitude pyramidal studs 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 comprising two lateral diffusion channels 30 extending on either side. other of the vaporization chamber 3 and joining, at the front end of the heating body 2, at a front junction zone 30A and at the rear end of the heating body 2, at a zone of rear junction 30B.
  • the side channels 30 conventionally comprise orifices 31 passing through the heating body 2 to open on its lower face, at the level of steam distribution cavities 33, visible on the figure 2 , arranged opposite the steam outlet holes 10A of the ironing plate 10.
  • the heating body 2 also includes a closing plate 24 which rests on the upper edge of the peripheral wall 22, this closing plate 24 being surmounted by a water reservoir 15 integrated into the housing of the iron.
  • Tank 15 supplies water to the vaporization chamber 3 through an orifice 24A provided in the closing plate 24, this orifice 24A being supplied, in a manner known per se, with water from the reservoir 15 by means of a pump 24B, illustrated in dotted lines on the figure 1 , controlled by an electronic card and allowing the production of a continuous steam flow of up to 70 gr/min.
  • the main vaporization chamber 3 is delimited laterally by a partition 23 going up to the closing plate 24, being sealed in a sealed manner with the latter, so that the steam produced in the vaporization chamber 3 cannot escape. only through an opening 23A made in the partition 23 at the rear end of the vaporization chamber 3.
  • the opening 23A of the partition is connected in a sealed manner to a conduit 25 which is attached to the heating body 2, the latter comprising a rear zone 2A of reduced width which delimits a volume in which the rear end of the led 25.
  • the iron 1 comprises a collector 5 which comes as an extension of the rear zone 2A of the heating body 2 and advantageously has the shape of a conduit comprising an open front end facing an opening 22A formed in the peripheral wall 22 and a rear end comprising the orifice 50 receiving the removable plug 13.
  • the collector 5 and the conduit 25 are made by molding in plastic, for example in PPS (polyphenylene polysulfide) type material.
  • the volume provided in the rear zone 2A of the heating body 2 and inside the collector 5 forms a cavity 51 for receiving a device 8 for retaining scale particles, shown in isolation on the figure 8 , the cavity 51 comprising an open end 51A opening into the rear junction zone 30B of the side channels 30 and a rear end closed by the plug 13.
  • the conduit 25 has a width smaller than the width of the cavity 51 so that it results, on each side of the conduit 25 and the coupling sleeve 25A, a space, which forms an outlet channel 26 through which the steam flow sent into the cavity 51 through conduit 25 can escape towards the rear junction zone 30B then through the side channels 30.
  • the device 8 for retaining scale particles comprises a scale recovery container 6 having an axial opening 60 through which the flow of steam emitted by the vaporization chamber 3 is admitted into the container 6 and a closed rear end fixed to the plug 13 .
  • the container 6 supports a first seal 61 and a second seal 62, made of silicone, which establish a tight connection with the coupling sleeve 25A and the interior wall of the cavity 51, and comprises , between the two seals 61, 62, two windows 63 which receive a filtration grid 7.
  • Grid 7 has openings calibrated to retain the largest scale particles while providing a sufficient passage section for the required steam flow.
  • the filtration grid 7 is made of stainless steel wire of 0.1 mm in diameter, or of glass fabric made from a braided wire of 1 mm in diameter, and has square openings. of less than 0.4 mm on each side, and preferably between 0.1 mm and 0.4 mm, the surface of the grid being at least 8 cm 2 for square openings of 0.2 mm and an expected steam flow of around 40 to 50 gr/min.
  • the container 6 comprises a hollow lower part, preferably having a volume of the order of 4 to 5 cm 3 , in which the tartar particles can be stored, the front end of the hollow part having a step 6A making it possible to prevent the scale collected in the container 6 from returning by gravity to the vaporization chamber 3 when the iron 1 is placed on its ironing plate 10.
  • the iron 1 includes a self-cleaning function which makes it possible to suddenly send a large quantity of water onto the evaporation surface of the vaporization chamber 3 after the latter has been brought to a temperature maximum, advantageously greater than 220°C.
  • this self-cleaning function is carried out by means of a program integrated into the electronic card of the iron 1 and which can be selected by the user by means of a control button.
  • the evaporation of water gradually creates the formation of a layer of calcium carbonate on the evaporation surface 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 the cooling phases between two ironing sessions.
  • a part of the scale particles present in the vaporization chamber 3 are therefore carried by the steam flow into the conduit 25 and are partly sent, by their inertia, to the bottom of the scale recovery container 6, where they are found trapped, and partly sent to the filtration grid 7.
  • the largest particles are stopped by the filtration grid 7 and fall back into the container 6, while the finest particles, passing through the filtration grid 7, can be evacuated without difficulty outside the iron. 1 by passing through the exit channels 26, the side channels 30, and the exit holes 10A of the ironing plate 10.
  • the contents of the container 6 can then be emptied and the container 6 can be passed under tap 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 has the advantage of comprising a particle retention device associated with a self-cleaning program which has the advantage of maximizing the effectiveness of cleaning the iron while eliminating the drawback usually associated with to the implementation of such a self-cleaning program, namely the release of large particles of scale which obstruct the steam distribution circuit.
  • the The iron's vaporization chamber can be supplied with water from the tank using a drip bushel.
  • the drip plug will be associated with a self-cleaning device, such as for example described in the patent application EP1366227 , which can be manually activated by the user to carry out the self-cleaning operation after setting the iron's thermostat to its maximum temperature.
EP23177064.5A 2022-06-27 2023-06-02 Elektrisches haushaltsgerät zum bügeln und/oder glätten mit einer vorrichtung zum zurückhalten von dampfgetragenen kalkpartikeln Pending EP4299825A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2206389A FR3137110A1 (fr) 2022-06-27 2022-06-27 APPareil electromenager de repassage et/OU defroissage COMPORTANT un DISPOSITIF DE RETENTION des particules de tartre transportées par la vapeur

Publications (1)

Publication Number Publication Date
EP4299825A1 true EP4299825A1 (de) 2024-01-03

Family

ID=83594004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23177064.5A Pending EP4299825A1 (de) 2022-06-27 2023-06-02 Elektrisches haushaltsgerät zum bügeln und/oder glätten mit einer vorrichtung zum zurückhalten von dampfgetragenen kalkpartikeln

Country Status (3)

Country Link
EP (1) EP4299825A1 (de)
CN (1) CN220433257U (de)
FR (1) FR3137110A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1366227A1 (de) 2001-02-27 2003-12-03 Rowenta Werke GmbH "selbstreinigendes, nicht tropfendes bügeleisen"
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
EP2845944A1 (de) * 2013-09-10 2015-03-11 Seb S.A. Elektrohaushaltsgerät zum Bügeln, das einen Filter zum Zurückhalten der mit dem Dampf transportierten Kalkpartikel umfasst
EP3025097A1 (de) * 2013-07-25 2016-06-01 Koninklijke Philips N.V. Vorrichtung zur dampferzeugung
EP3186433A1 (de) * 2014-08-26 2017-07-05 Koninklijke Philips N.V. Tragbare dampfvorrichtung
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1366227A1 (de) 2001-02-27 2003-12-03 Rowenta Werke GmbH "selbstreinigendes, nicht tropfendes bügeleisen"
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
EP3025097A1 (de) * 2013-07-25 2016-06-01 Koninklijke Philips N.V. Vorrichtung zur dampferzeugung
EP2845944A1 (de) * 2013-09-10 2015-03-11 Seb S.A. Elektrohaushaltsgerät zum Bügeln, das einen Filter zum Zurückhalten der mit dem Dampf transportierten Kalkpartikel umfasst
EP3186433A1 (de) * 2014-08-26 2017-07-05 Koninklijke Philips N.V. Tragbare dampfvorrichtung
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

Also Published As

Publication number Publication date
FR3137110A1 (fr) 2023-12-29
CN220433257U (zh) 2024-02-02

Similar Documents

Publication Publication Date Title
EP2845944B1 (de) Elektrohaushaltsgerät zum Bügeln, das einen Filter zum Zurückhalten der mit dem Dampf transportierten Kalkpartikel umfasst
EP2584090B1 (de) Bügeleisen mit einer Dampferzeugungskammer, die mit einem Hohlraum zur Kalkablagerungssammlung enschließlich Entkalkungsöffnung ausgestattet ist
EP3580385B1 (de) Bügeleisen mit einer vorrichtung zum rückhalten von durch dampf transportierten kalkpartikeln
EP2584089B1 (de) Bügeleisen, das über eine Dampferzeugungskammer verfügt, die mit einem Hohlraum zur Kalkablagerungssammlung enschließlich Entkalkungsöffnung ausgestattet ist
EP3064639B1 (de) Elektrohaushaltsgerät zum bügeln, das einen filter zum zurückhalten der mit dem dampf transportierten kalkpartikel umfasst
EP3064640B1 (de) Elektrohaushaltsgerät zum bügeln, das einen behälter umfasst, der einen wasserenthärter und einen dampfverteilungskreislauf mit einem filter umfasst
EP2808438B1 (de) Dampfbügelgerät, das ein Bügeleisen umfasst
EP2578743B1 (de) Elektrohaushaltsgerät, das einen Dampfverteilungskreis umfasst
CH626414A5 (de)
EP3336242A1 (de) Dampfbügelgerät, das eine dampferzeugende basis und ein bügeleisen umfasst, die über eine leitung miteinander verbunden sind
EP2808439B1 (de) Dampfbügelgerät
EP3643831B1 (de) Verfahren zur reinigung eines bügeleisens, das mit einem hohlraum zur sammlung von kalkablagerungen ausgestattet ist
EP3786345B1 (de) Bügeleisen umfassend einen abnehmbaren kalksammelbehälter
EP3336243A1 (de) Bügeleisen, das eine bügelfläche, eine heizsohle und eine dampfkammer besitzt
EP4299825A1 (de) Elektrisches haushaltsgerät zum bügeln und/oder glätten mit einer vorrichtung zum zurückhalten von dampfgetragenen kalkpartikeln
EP3757279B1 (de) Bügeleisen, das eine rückhaltevorrichtung für die durch den dampf transportierten kalkpartikel umfasst
EP3336244A1 (de) Bügeleisen, das eine bügelfläche, eine heizsohle und eine dampfkammer besitzt
WO2018167408A1 (fr) Appareil a vapeur pourvu d'un element de filtration amovible
EP2578745B1 (de) Bügeleisen, das einen Dampfverteilungskreislauf mit einem Filtergitter umfasst
EP4299824A1 (de) Elektrisches haushaltsgerät zum bügeln und/oder glätten mit mindestens zwei durch eine verbindungsleitung verbundenen sprühkammern

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR