EP2746460B1 - Appareil de repassage a la vapeur comportant un générateur de vapeur sous pression et un fer à repasser - Google Patents

Appareil de repassage a la vapeur comportant un générateur de vapeur sous pression et un fer à repasser Download PDF

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Publication number
EP2746460B1
EP2746460B1 EP13192935.8A EP13192935A EP2746460B1 EP 2746460 B1 EP2746460 B1 EP 2746460B1 EP 13192935 A EP13192935 A EP 13192935A EP 2746460 B1 EP2746460 B1 EP 2746460B1
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EP
European Patent Office
Prior art keywords
steam
studs
expansion chamber
ironing apparatus
ironing
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.)
Active
Application number
EP13192935.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2746460A2 (fr
EP2746460A3 (fr
Inventor
François Sulpice
Bertrand Couet
Xavier Chartoire
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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Publication date
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Publication of EP2746460A3 publication Critical patent/EP2746460A3/fr
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Publication of EP2746460B1 publication Critical patent/EP2746460B1/fr
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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
    • D06F57/00—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired 
    • 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
    • D06F75/38—Sole plates

Definitions

  • the present invention relates to a steam ironing appliance comprising a pressurized steam generator and an iron comprising an ironing sole surmounted by a body in which is provided a steam distribution circuit conveying the steam flow produced by the steam generator to steam outlet holes in the soleplate.
  • a steam ironing appliance comprising a pressurized steam generator connected to an iron by a cord, the iron comprising an ironing soleplate surmounted by a body comprising a circuit for distributing the steam to steam outlet holes in the soleplate.
  • Such an ironing appliance is provided with a pressurized steam generator which has the advantage of providing a powerful flow of steam through the steam outlet holes of the soleplate and very good ironing performance.
  • a pressurized steam generator which has the advantage of providing a powerful flow of steam through the steam outlet holes of the soleplate and very good ironing performance.
  • such an ironing appliance has the drawback of generating a flow of steam which is relatively noisy when it is emitted through the iron.
  • the documents DE3545753 A1 and US1799281A also disclose ironing apparatus.
  • the subject of the invention is a steam ironing appliance comprising a pressurized steam generator and an iron comprising an ironing soleplate surmounted by a body in which is formed a steam distribution circuit conveying the flow of steam produced by the steam generator towards steam outlet holes of the soleplate, characterized in that the steam distribution circuit comprises at least one expansion chamber comprising studs projecting from two facing surfaces.
  • the expansion chamber comprises several projecting studs arranged facing each other.
  • Such positioning of the studs facing each other has the advantage of optimizing the performance of the projecting studs in reducing turbulence.
  • the projecting studs rise over at least one third of the distance separating the two surfaces.
  • the projecting studs have a rounded outline, the outline of the studs having a minimum radius of curvature of 1.5 mm.
  • the studs have a frustoconical or cylindrical shape of revolution.
  • an intermediate layer d devoid of any obstacle, is provided between the projecting studs of the two surfaces arranged on either side of the vapor flow.
  • the intermediate layer d is flat and has a thickness of between 2 and 4 mm, the studs of the two facing surfaces extending as far as the edge of the intermediate layer d.
  • the body comprises a casting closed in its upper part by a lid, the expansion chamber comprising projecting studs carried by the casting and projecting studs carried by the lid.
  • Such a body in two parts has the advantage of facilitating the production of the steam distribution circuit and in particular of the projecting studs.
  • the studs are molded in the foundry and on the closure cover.
  • the expansion chamber is partially arranged in a cavity of the lid.
  • Such a feature makes it possible to obtain an expansion chamber with a large volume and passage section while retaining a foundry, and therefore an iron, with reduced lateral bulk.
  • the foundry contains a heating resistor.
  • Such a characteristic makes it possible in particular to contribute to the elimination of the condensates which may be transported by the flow of steam.
  • the steam distribution circuit is supplied with steam by a steam inlet orifice made in the lid, the expansion chamber locally having a maximum passage section more than thirty times greater than the passage section of the steam inlet orifice and more than ten times greater than the cumulative passage section of the steam distribution orifices arranged downstream of the expansion chamber.
  • the steam distribution circuit comprises a first expansion chamber arranged upstream of an overheating channel and a second expansion chamber arranged downstream of the overheating channel, the overheating having a reduced passage section compared to the passage section of the first and second expansion chambers.
  • the figure 1 represents an ironing appliance comprising a steam-generating base 100 and an iron 1 interconnected by a cord 101, the iron 1 conventionally comprising an ironing soleplate 2 surmounted by a case 3 made of plastic material incorporating a handle gripping.
  • the base 100 comprises an inclined plane on which the iron 1 can come to rest during inactive ironing phases and contains, in a manner known per se, a tank 102 for the production of steam under a pressure of the order of 4 to 6 bars, the tank 102 being supplied with water from a tank 103 by means of a pump 104.
  • the base 100 is connected to the domestic electrical network by an electrical wire 105 which allows both the electrical supply of the heating means of the tank 102, not shown in the figures, and the power supply to iron 1 through cord 101.
  • the soleplate 2 of the iron is surmounted by a heating body 4 comprising a foundry 5 closed in its upper part by a cover 6, the foundry 5 coming directly into contact with the soleplate 2.
  • the ironing sole 2 is provided with a first group 21 of steam outlet holes 20 arranged in a triangular arrangement close to the front tip of the ironing sole 2 and a second group 22 of steam outlet holes. steam 20 distributed over the central and rear part of the sole 2 according to two concentric networks separated by a strip of material 23 devoid of holes.
  • the first group 21 and second group 22 of steam outlet holes 20 are respectively supplied with steam by a first diffusion chamber 51 and a second diffusion chamber 52 formed on the underside of the foundry 5, the first and second diffusion 51, 52 being itself supplied with steam by distribution orifices 50, 54 which open onto the upper face of the foundry 5.
  • the upper face of the foundry 5 comprises a peripheral wall 55 and intermediate walls 56 coming into contact with the lid 6 to delimit different zones 11, 12, 13, 14, 15 of a steam distribution circuit, the peripheral wall 55 and the intermediate walls 56 being obtained directly from molding with the foundry 5, the cover 6 being attached by gluing to the walls 55, 56 and comprising openings 60 in which screws 64 engage, visible on the figure 5 , ensuring the maintenance of the cover 6 on the foundry 5.
  • the steam distribution circuit comprises a steam inlet orifice 62 provided in the lid 6, this orifice 62 having a small passage section and opening into a first expansion chamber 11 of the steam distribution circuit at the level of which the passage section increases greatly, this first expansion chamber 11 being arranged on the edge of the peripheral wall 55, close to the rear part of the foundry 5, and extending above a branch of a heating resistor 7 in made of U integrated in the foundry 5.
  • the first expansion chamber 11 then communicates with a superheating channel 12 whose role is to vaporize all of the condensates still present in the steam flow, the superheating channel 12 having a reduced passage section, substantially constant, and meandering in the foundry 5 over a length advantageously greater than 200 mm and preferably of the order of 300 mm.
  • the overheating channel 12 runs along the rear part of the peripheral wall 55 and meanders in the volume of the foundry 5 arranged next to the first expansion chamber 11, bypassing a boss 57 intended to receive a regulation thermostat of the heating resistor 7, then opens into a second expansion chamber 13, arranged in the front central part of the foundry 5, the role of which is to reduce the speed of the steam flow as much as possible.
  • the first and the second expansion chamber 11, 13 have a passage section more than thirty times greater than the passage section of the orifice 62 for the steam inlet and more than ten times greater than the sum of the passage sections of the steam distribution orifices 50, 54.
  • the passage section of the steam inlet orifice 62 is of the order of 10 mm 2
  • the passage section of the expansion chambers 11, 13 is of the order of 500 mm 2
  • the passage section of the overheating channel 12 is of the order of 80 mm 2
  • the cumulative passage section of the steam distribution orifices 50, 54 is of the order of 40 mm 2 .
  • the first and second chambers 11, 13 are advantageously arranged partly in the volume of the foundry 5 and partly in a cavity 61, 63 formed in the closure cover 6, visible on the picture 2 .
  • the steam distribution circuit comprises protruding studs 58, 65 forming obstacles to the flow of steam circulating in the steam distribution circuit, these studs 58, 65 making it possible to limit turbulence and therefore noise in the steam distribution circuit.
  • pads 58, 65 have a rounded shape and are advantageously evenly distributed between the foundry 5 and the cover 6, the first expansion chamber 11 and the second expansion chamber 13 each comprising more than ten pads 58 rising in column from an upper surface of the foundry 5, the studs 58 being spaced from each other by less than 1 cm.
  • the cover 6 comprises, opposite each stud 58 of the foundry 5, a stud 65 extending in the direction of the foundry 5 from a lower surface of the cover 6, a free space of a few millimeters being provided between the upper ends of the studs 58 supported by the foundry 5 and the lower ends of the studs 65 of the cover 6 so that there results an intermediate layer in the steam distribution circuit in which the steam can circulate without encountering obstacles.
  • the studs 58, 65 are molded in the foundry 5 and in the cover 6 and have a slightly frustoconical shape with an angle ⁇ , illustrated on the figure 5 , of the order of 12°, each stud 58, 65 comprising a rounded upper end having a radius greater than 1.5 mm.
  • the height of the studs 58, 65 is adapted so that the layer d, devoid of any obstacle, is flat and has a thickness of between 2 and 4 mm and preferably of the order of 2.5 mm.
  • the overheating channel 12 is also provided with studs 58, 65 projecting in the zones subject to the formation of turbulence, and in particular near the boss 57, these studs 58, 65 having the same characteristics as the studs arranged in the first and second expansion chambers 11, 13.
  • the second chamber of trigger 13 communicates with a steam distribution device making it possible, in a manner known per se, to send the steam either to all of the first and second groups of steam outlet holes 20 of the soleplate, or only to the first group 21 steam outlet holes in the soleplate 2.
  • the steam distribution device which will only be described briefly in the following description, uses the operating principle of the steam distribution device described in detail in the patent application EP 2 503 052 .
  • This steam distribution device comprises in particular a main duct 16 connecting the second expansion chamber 13 to a front diffusion chamber 14 which supplies steam to the first group 21 of steam outlet holes 20 through the orifices 50 passing through the foundry 5 and comprises a vertical chimney 16A opening into a steam distribution chamber 17 communicating with two lateral distribution chambers 15 which supply steam to the second group 22 of steam outlet holes 20 through the orifices 54 passing through the foundry 5.
  • the steam distribution device also comprises a hemispherical seal 9 which, at rest, occupies the position illustrated in solid lines on the figure 5 , in which the steam coming from the second expansion chamber 13 passes freely through the main duct 16 and through the vertical chimney 16A then is diffused towards the first and second groups 21, 22 of steam outlet holes 20.
  • the joint 9 By pressing a button 30 arranged at the front of the handle of the iron 1, the joint 9 is moved into a position illustrated in dotted line on the figure 5 , in which the seal 9 closes off the outlet of the vertical chimney 16A and prevents the diffusion of steam towards the second group 22 of steam outlet holes 21 thus making it possible to send the entire flow of steam to the first group 21 of 20 steam outlet holes located at the front of the soleplate.
  • the ironing device thus produced has the advantage of comprising a steam distribution circuit allowing the diffusion of steam jets through the soleplate with a flow rate greater than 70 g/min without generating a significant noise.
  • the presence of projecting studs on either side of the steam flow in the areas of the distribution circuit usually subject to strong turbulence makes it possible to greatly reduce the turbulence and therefore to reduce the noise generated by the circulation of the flow. of steam.
  • the projecting studs also make it possible to reduce pressure drops and therefore to obtain a higher flow of steam through the soleplate.
  • the presence of projecting studs in the steam distribution circuit also has the advantage of improving the heat exchange between the foundry and any condensates transported by the steam so that the risk of condensates being expelled by the steam outlet holes is further diminished.
  • the iron may be without the steam distribution device, the steam leaving the second chamber then being sent to all of the steam outlet holes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Irons (AREA)
EP13192935.8A 2012-12-21 2013-11-14 Appareil de repassage a la vapeur comportant un générateur de vapeur sous pression et un fer à repasser Active EP2746460B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1262633A FR3000111B1 (fr) 2012-12-21 2012-12-21 Appareil de repassage a la vapeur comportant un generateur de vapeur sous pression et un fer a repasser

Publications (3)

Publication Number Publication Date
EP2746460A2 EP2746460A2 (fr) 2014-06-25
EP2746460A3 EP2746460A3 (fr) 2017-12-13
EP2746460B1 true EP2746460B1 (fr) 2022-10-05

Family

ID=48083263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13192935.8A Active EP2746460B1 (fr) 2012-12-21 2013-11-14 Appareil de repassage a la vapeur comportant un générateur de vapeur sous pression et un fer à repasser

Country Status (6)

Country Link
EP (1) EP2746460B1 (ru)
CN (1) CN103882667B (ru)
CA (1) CA2835785C (ru)
ES (1) ES2928214T3 (ru)
FR (1) FR3000111B1 (ru)
RU (1) RU2633230C2 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2650059C1 (ru) 2014-08-26 2018-04-06 Конинклейке Филипс Н.В. Паровая головка утюга
FR3049289B1 (fr) 2016-03-22 2018-03-09 Seb S.A. Appareil de defroissage a la vapeur comprenant une tete de defroissage reliee par un conduit a une base
FR3053703B1 (fr) * 2016-07-07 2018-07-06 Seb Sa Fer a repasser comprenant un corps chauffant au contact thermique d'une plaque de repassage
FR3060032B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
FR3060028B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
FR3060029B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Fer a repasser comportant un dispositif de retention et vaporisation des condensats
FR3060030B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
FR3060033B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
WO2020053907A1 (en) * 2018-09-10 2020-03-19 De' Longhi Appliances S.R.L. Con Unico Socio Support base

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799281A (en) * 1929-12-10 1931-04-07 William M Cissell Flatiron
US3852899A (en) * 1974-03-29 1974-12-10 Bishop Freeman Co Commercial steam generating hand iron
DE3545753A1 (de) * 1985-12-21 1987-06-25 Braun Ag Elektrisches dampfbuegeleisen
DE4107236A1 (de) * 1991-03-07 1992-09-10 Braun Ag Dampfbuegeleisen
FR2696197B1 (fr) * 1992-09-29 1994-11-25 Seb Sa Fer à repasser à chambre de vaporisation pourvue d'une grille de répartition d'eau.
FR2858636B1 (fr) * 2003-08-05 2006-03-17 Rowenta Werke Gmbh Fer a repasser avec fonction de defroissage vertical
US7096612B2 (en) * 2004-01-30 2006-08-29 Celaya, Emparanza Y Galdos, Internacional, S.A. Domestic steam irons having a vaporization chamber and fitted with independent heat element
EP2089687A4 (en) * 2006-12-06 2010-04-14 Univ Missouri LIQUID CHROMATOGRAPHY DETECTOR AND RIVER CONTROL UNIT THEREFOR
CN201288265Y (zh) * 2008-09-17 2009-08-12 冯启东 一种蒸汽电熨斗底板及采用该底板的蒸汽电熨斗
CN201990879U (zh) * 2011-01-20 2011-09-28 美的集团有限公司 低噪音热锅及挂烫机
FR2971796B1 (fr) * 2011-02-18 2014-05-09 Seb Sa Fer a repasser a vapeur comportant une plaque de repassage comprenant au moins un premier groupe et un deuxieme groupe de trous de sortie de vapeur
CN102174918B (zh) * 2011-03-13 2012-10-17 北京建筑工程学院 一种组件式高压共轨装置
CN202440703U (zh) * 2012-02-29 2012-09-19 卓力电器集团有限公司 一种熨斗底板以及具有该熨斗底板的电熨斗

Also Published As

Publication number Publication date
EP2746460A2 (fr) 2014-06-25
RU2013156309A (ru) 2015-06-27
CN103882667B (zh) 2018-01-23
ES2928214T3 (es) 2022-11-16
RU2633230C2 (ru) 2017-10-11
FR3000111A1 (fr) 2014-06-27
CA2835785A1 (fr) 2014-06-21
EP2746460A3 (fr) 2017-12-13
CA2835785C (fr) 2019-10-29
FR3000111B1 (fr) 2015-01-02
CN103882667A (zh) 2014-06-25

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