EP3481992A1 - Fer à vapeur comportant un dispositif de retenue de gouttelettes d'eau - Google Patents
Fer à vapeur comportant un dispositif de retenue de gouttelettes d'eauInfo
- Publication number
- EP3481992A1 EP3481992A1 EP17745824.7A EP17745824A EP3481992A1 EP 3481992 A1 EP3481992 A1 EP 3481992A1 EP 17745824 A EP17745824 A EP 17745824A EP 3481992 A1 EP3481992 A1 EP 3481992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steam
- flow
- retaining
- steam iron
- vapor
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
Definitions
- the present invention relates to a steam iron, and more particularly to a steam iron provided with a water droplet retaining device.
- a steam iron comprises in known manner a soleplate defining a steam distribution circuit and having an ironing plate provided with an ironing surface and steam openings opening into the ironing surface.
- Document DE102004032361 discloses a steam iron having a steam distribution circuit provided with a retaining device configured to retain water droplets entrained by the flow of vapor flowing along the steam distribution circuit and to vaporize said water droplets retained.
- the retaining device comprises in particular an outer body delimiting a cyclonic chamber, a steam inlet opening into a lower portion of the cyclonic chamber and through which the flow of steam enters the cyclonic chamber, and a central duct disposed in the center of the chamber. cyclonic and provided with an upper steam outlet through which the steam flow exits the cyclonic chamber.
- the present invention aims to remedy these disadvantages.
- the technical problem underlying the invention is therefore to provide a steam iron which satisfactorily limits the amount of water in liquid form which reaches the steam orifices especially at the start of the steam iron.
- the present invention relates to a steam iron having a vapor distribution circuit in which is intended to flow a vapor stream, and a retaining device disposed along the steam distribution circuit and configured to retain water droplets entrained by the vapor stream and optionally vaporizing said retained water droplets
- the retaining device comprising a retaining member comprising at least: a duct comprising a peripheral wall and having a longitudinal axis, the peripheral wall having a lower inlet opening through which the flow of steam enters the conduit and an upper outlet opening through which the flow of vapor exits the conduit, and - at least one retaining element extending from the peripheral wall and configured to retain water droplets entrained by the vapor stream, the at least one retaining element defining at least in part an intermediate passage opening disposed downstream of the lower inlet opening and upstream of the upper outlet opening with respect to the flow direction of the vapor flow, the intermediate passage opening having a passage section lower than the passage section of the lower inlet opening.
- the retaining device ensures an effective separation of the water droplets and the water vapor, and thus the retention, by the retaining device, of a quantity significant droplets of water driven by the vapor flow.
- the steam iron may further have one or more of the following features, taken alone or in combination.
- the steam iron comprises an ironing plate on which it can rest horizontally in an ironing position, the ironing plate being advantageously provided with steam orifices.
- the longitudinal axis of the duct extends substantially vertically when the steam iron is in the ironing position.
- the ironing plate comprises a substantially flat ironing surface and the longitudinal axis of the duct extending perpendicularly to the plane of the ironing surface.
- the retaining member is removable.
- the peripheral wall is tubular.
- the at least one retaining element extends from the peripheral wall towards the inside of the duct and has at least one inclined part towards the lower inlet opening. Such an inclination makes it possible to favor gravity flow, in the direction of the lower inlet opening, of the water droplets condensing under the retaining element.
- the at least one retaining element comprises a retaining surface comprising at least one surface portion inclined with respect to the longitudinal axis of the duct.
- the at least one retaining element extends across the conduit.
- the at least one retaining element covers, in a plane of projection perpendicular to the longitudinal axis of the duct, at least 60%, and preferably at least 70%, of the section. passage of the conduit.
- the at least one retaining element and the peripheral wall delimit the intermediate passage opening.
- the at least one retaining element has an edge which delimits, with the peripheral wall, the intermediate passage opening, this edge constituting the part of the retaining element being the closer to the lower inlet opening of the duct.
- the steam iron comprises a sole, the sole comprising a support portion on which is mounted the retaining member, the retaining member and the support portion defining a vaporization chamber. disposed upstream of the at least one retaining element with respect to the direction of flow of the vapor stream.
- the retaining device comprises a steam inlet opening into the vaporization chamber and through which the flow of vapor enters the vaporization chamber.
- the support portion has a bottom wall and a side wall extending from the bottom wall and on which is mounted the retaining member.
- the steam inlet is for example formed in the side wall.
- the side wall of the support portion and the peripheral wall of the conduit are coaxial.
- the steam inlet is partly delimited by the peripheral wall of the duct.
- the retaining device comprises first angular indexing means configured to cooperate with second complementary angular indexing means provided on the support part.
- the steam iron comprises an overlapping portion defining at least partly the steam distribution circuit and covering the retaining member.
- the sole comprises the covering part.
- the sole comprises an ironing surface and at least one steam orifice opening into the ironing surface.
- the cover portion and the retaining member define at least in part a vapor delivery chamber fluidly connected to the at least one steam orifice.
- an upper edge of the peripheral wall has an upper notch defining at least in part the upper outlet opening.
- the upper notch is diametrically opposed to the intermediate passage opening with respect to the longitudinal axis of the conduit.
- the retaining member is made of plastic. These provisions make it possible to avoid overheating the flow of steam through the retaining device, and thus to prevent the flow of steam leaving the steam iron from being too dry.
- the retaining device according to such an embodiment makes it possible to retain the majority of the water droplets entrained by the flow of vapor, while ensuring the ejection of a flow of wet vapor at the outlet of the steam orifices. steam iron.
- the retaining member could be made of other materials and for example aluminum or copper.
- the retaining member is in one piece.
- the at least one retaining element comprises at least one retaining rib.
- a retaining rib makes it possible to form a dam for the droplets of water held under the element retainer, preventing the latter from flowing along the surface of the retaining element towards the upper outlet opening of the conduit.
- the at least one retaining element is a retaining wall.
- the intermediate passage opening is centered with respect to the longitudinal axis of the conduit.
- the intermediate passage opening is offset with respect to the longitudinal axis of the conduit.
- the peripheral wall comprises a succession of tubular peripheral sections extending along the longitudinal axis of the conduit and having different internal diameters, the respective internal diameters of the successive tubular peripheral sections being increasingly smaller in the direction of the upper exit opening.
- each tubular peripheral section is cylindrical and has a constant internal diameter.
- each tubular peripheral section is frustoconical, and has an internal diameter which varies in a decreasing manner in the direction of the upper outlet opening.
- the retaining member comprises a plurality of retaining elements extending from the peripheral wall, each retaining element delimiting at least in part a respective intermediate passage opening having a passage section lower than the passage section of the lower inlet opening.
- each retaining element extends from a respective connecting zone situated between two respective adjacent tubular peripheral sections.
- the respective passage sections of the successive intermediate passage openings are increasingly narrow in the direction of the upper outlet opening.
- the retaining elements are coaxial retaining ribs.
- the steam distribution circuit further comprises an expansion chamber disposed upstream of the retaining device and configured to reduce the flow velocity of the vapor stream before the vapor stream flows. 'reaches the restraint.
- the expansion chamber is arranged such that the minimum passage section for the flow of steam through the expansion chamber is greater than 25 mm 2 .
- the expansion chamber is arranged such that the flow velocity of the vapor flow in the expansion chamber is less than 20 m. s -1 .
- the steam distribution circuit comprises a steam flow inlet intended to be connected to a steam transport duct.
- the steam flow inlet is provided on the covering portion.
- the steam distribution circuit comprises a single deflection wall disposed between the vapor flow inlet and the retaining device.
- the steam distribution circuit comprises a plurality of pins extending near the vapor flow inlet.
- the expansion chamber is disposed upstream of the vaporization chamber, and more particularly upstream of the steam inlet.
- the present invention further relates to an ironing apparatus comprising a steam iron according to the invention, a steam generator and a steam conduit connecting the steam generator to the steam iron and for supplying the steam iron in steam.
- the present invention also relates to a retaining member intended to be arranged along a steam distribution circuit of a steam iron and configured to retain water droplets entrained by a flow of vapor flowing in the circuit.
- the retaining member comprising: - a duct comprising a peripheral wall and having a longitudinal axis, the peripheral wall having a lower inlet opening through which the flow of steam enters the duct and an outlet opening wherein the flow of vapor exits the conduit, and - at least one retaining element extending from the peripheral wall and configured to retain water droplets entrained by the vapor stream, the at least one element retainer at least partly delimiting an intermediate passage opening disposed downstream of the lower inlet opening and upstream of the outlet opening greater than the direction of flow of the vapor stream, the intermediate passage opening having a passage section smaller than the passage section of the lower inlet opening.
- FIG. 1 is a schematic view of a steam apparatus according to the present invention comprising a steam iron and a base unit provided with a steam generator;
- FIG. 2 is a perspective view of the steam iron of FIG. 1;
- FIG. 3 is a perspective view of the soleplate of the steam iron of FIG. 1;
- - Figure 4 is a perspective view of the sole of Figure 3 without the cover portion and equipped with a retaining device according to a first embodiment of the invention;
- - Figure 5 is a longitudinal sectional view of the sole of Figure 3;
- - Figures 6 and 7 are perspective views respectively from above and below of a retaining member belonging to the retainer of Figures 4 and 5;
- FIG. 8 is a top view of the retainer of Figure 6;
- FIG. 9 is a sectional view along lines IX-IX of Figure 8;
- - Figure 10 is a perspective view of the sole of the steam iron of Figure 1, equipped with a retaining device according to a second embodiment of the invention;
- FIG. 1 1 is a longitudinal sectional view of the sole of Figure 10 provided with the closure plate;
- FIG. 12 and 13 are perspective views respectively from above and below of a retaining member belonging to the retainer of Figures 10 and 1 1;
- FIG. 14 is a top view of the retainer of Figure 12;
- FIG. 15 is a sectional view along lines XV-XV of FIG. 14. It will be noted that in this document, the terms “horizontal”, “vertical”, “lower”, “upper”, “front”, “ Rear “employees to describe the steam iron refer to this steam iron in use situation when the ironing plate is laid on a horizontal plane.
- FIG. 1 represents an ironing apparatus 2 comprising a base unit 3, a steam iron 4 and a steam transport duct 5 connecting the base unit 3 and the steam iron 4.
- the base unit 3 comprises in particular a steam generator 6, a water tank 7 and a pump 8 configured to feed the steam generator 6 with water coming from the water tank 7, and the steam iron 4 comprises in particular a gripping portion 10 and a sole 9.
- the sole 9 comprises a main body January 1, a covering portion 12 covering at least partly the main body January 1, and an ironing plate 13 extending under the main body 1 1 .
- the ironing plate 13 comprises a substantially flat ironing surface 14 and steam openings 15 opening into the ironing surface 14.
- the main body 11 and the ironing plate 13 are made of thermally conductive materials.
- the main body 1 1 and the covering part 12 define a steam distribution circuit 16 fluidly connected on the one hand to the steam generator 6 via the steam conveying conduit 5 and on the other hand to the steam orifices 15.
- the steam distribution circuit 16 comprises in particular a steam flow inlet 16.1 connected to the steam transport duct 5.
- a stream of steam is able to flow into the steam distribution circuit 16 and up to steam ports 15.
- the steam iron 4 is provided with a heater 17 integrated in the main body January 1 of the sole plate 9, and configured to heat the ironing plate 13 and the main body 1 January.
- the steam iron 4 also comprises a retaining device 18 disposed along the steam distribution circuit 16 and configured to retain water droplets entrained by the steam flow s' flowing in the steam distribution circuit 16 and to vaporize the retained water droplets.
- the retaining device 18 comprises a retaining member 19 covered by the covering portion 12.
- the retaining member 19 is in one piece, and may for example be made of plastic.
- the retaining member 19 comprises a duct 21 having a longitudinal axis A and comprising a peripheral wall 22.
- the peripheral wall 22 has a lower inlet opening 23 through which the flow of vapor can enter the duct 21 and an opening of upper outlet 24 through which the flow of steam can exit the duct 21.
- the peripheral wall 22 comprises a succession of tubular peripheral sections 25 extending along the longitudinal axis A of the conduit 21 and having different internal diameters, and the respective internal diameters of the successive tubular peripheral sections 25 are smaller and smaller in the direction of the upper outlet opening 24.
- Each tubular peripheral portion 25 may for example be frustoconical, and thus have an inner diameter that decreases in decreasing direction towards the upper outlet opening 24, or be cylindrical, and thus have a constant internal diameter.
- the retaining member 19 further comprises one or more retaining members 26 extending from the peripheral wall 22 and configured to retain water droplets entrained by the flow of vapor flowing in the circuit According to the embodiment shown in FIGS. 4 to 9, each retaining element 26 has a retaining surface 27 oriented outwards and inclined with respect to the longitudinal axis A of the duct 21, and more particularly inclined from the outside to the inside and from top to bottom.
- Each retaining element 26 delimits an intermediate through opening 28 disposed downstream of the lower inlet opening 23 and upstream of the upper outlet opening 24 with respect to the direction of flow of the vapor stream.
- Each intermediate passage opening 28 has a passage section smaller than the passage section of the lower inlet opening 23 and greater than the passage section of the upper outlet opening 24.
- the passage sections respective successive intermediate apertures 28 are increasingly narrower in the direction of the upper outlet opening 24.
- each retaining element 26 is constituted by a retaining rib extending towards the lower inlet opening 23.
- each retaining element 26 may extend in the extension of the tubular peripheral section 25 downstream.
- the retaining elements 26 are arranged coaxially, and each intermediate passage opening 28 is centered with respect to the longitudinal axis A of the duct 21.
- the retainer 18 further includes a support portion 29 formed on the sole 9, and more particularly on the main body January 1.
- the support portion 29 has a bottom wall 29.1 and a side wall 29.2 extending from the bottom wall 29.1 and on which the retaining member 19 is mounted.
- the retaining member 19 may for example comprise a flange. support 31 extending around a lower edge of the peripheral wall 22 and bearing on the side wall 29.2 of the support portion 29.
- the retaining member 19 and the support portion 29 define a vaporization chamber 32 disposed upstream of the retaining elements 26 with respect to the direction of flow of the vapor stream, and more particularly below the retaining elements 26.
- the retaining device 18 also has a vapor inlet 33 (see FIG. 4) formed in the side wall 29.2 and by which the flow of vapor enters the vaporization chamber 32.
- the steam inlet 33 is partly delimited by the duct 21.
- the main body 11 is made of thermally conductive material, part of the heat produced by the heater 17 is transferred to the vaporization chamber 32, so that water droplets falling by gravity into the vaporization chamber 32 are vaporized and can thus be driven out of the vaporization chamber 29 and to the vapor ports 15 through the vapor flow.
- the retaining device 18 further comprises first angular indexing means configured to cooperate with complementary second angular indexing means provided on the support portion 29, to ensure an angular immobilization of the retaining device 18 in a position predefined angular
- first angular indexing means could comprise an immobilizing rib 34 extending from the lower edge of the peripheral wall 22, and the second angular indexing means could be formed by the portions of the lateral wall 29.2 delimiting the steam inlet 33.
- the steam distribution circuit 16 comprises an expansion chamber 35 arranged upstream of the retaining device 18 and configured to reduce the flow velocity of the vapor stream before the vapor stream flows. It reaches the retaining device 18 and more particularly the retaining member 19.
- the expansion chamber 35 comprises a single deflection wall 35.1 extending between the vapor flow inlet 16.1 and the retaining device 18.
- the steam distribution circuit 16 further comprises a vapor delivery chamber 36 delimited by the cover portion 12 and the retaining member 19.
- the vapor delivery chamber 36 is disposed downstream of the upper outlet opening 24 and is fluidly connected to the steam ports 15.
- the steam distribution circuit 16 further comprises a plurality of pins 40 extending near the steam flow inlet 16.1.
- the presence of these pins 40 makes it possible to increase the exchange surface between the vapor flow and the steam distribution circuit 16, and thus to promote the separation of the water droplets from the flow of vapor flowing through the steam distribution circuit 16.
- Figures 10 to 15 show a retaining device 18 according to a second embodiment of the invention which differs from the first embodiment essentially in that the retaining member 19 comprises a single retaining element 26 which is constituted by a retaining wall extending across the conduit 1 1 and towards the lower inlet opening 23, and in that the respective intermediate passage opening 28 is offset with respect to the longitudinal axis A of the conduit 21 and is delimited by the retaining element 26 and the peripheral wall 22 which is in this tubular embodiment.
- the retaining element 26 covers, in a plane of projection perpendicular to the longitudinal axis A of the duct 21, at least 60%, and preferably at least 70%, of the passage section of the duct 21.
- the upper edge of the peripheral wall 22 has an upper notch 37 defining in part the upper outlet opening 24.
- the upper notch 37 is diametrically opposed to the intermediate passage opening 28 with respect to the longitudinal axis A of the duct 21.
- the invention is not limited to the embodiments of this steam iron described above as examples, it encompasses all variants.
- the vaporization chamber situated upstream of the retaining element may be replaced by a water storage zone into which a pump can come to draw water to supply a spray nozzle of water. a spray carried by the steam iron.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Irons (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1656545A FR3053704B1 (fr) | 2016-07-07 | 2016-07-07 | Fer a vapeur comportant un dispositif de retenue de gouttelettes d'eau |
| PCT/FR2017/051810 WO2018007747A1 (fr) | 2016-07-07 | 2017-07-03 | Fer a vapeur comportant un dispositif de retenue de gouttelettes d'eau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3481992A1 true EP3481992A1 (fr) | 2019-05-15 |
| EP3481992B1 EP3481992B1 (fr) | 2021-03-03 |
Family
ID=57121316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17745824.7A Active EP3481992B1 (fr) | 2016-07-07 | 2017-07-03 | Fer à vapeur comportant un dispositif de retenue de gouttelettes d'eau |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3481992B1 (fr) |
| CN (2) | CN207646491U (fr) |
| FR (1) | FR3053704B1 (fr) |
| WO (1) | WO2018007747A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3053704B1 (fr) * | 2016-07-07 | 2019-07-19 | Seb S.A. | Fer a vapeur comportant un dispositif de retenue de gouttelettes d'eau |
| US11858484B2 (en) | 2020-10-19 | 2024-01-02 | GM Global Technology Operations LLC | Apparatus and method for current draw management in a trailer brake system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196340A (en) * | 1978-03-09 | 1980-04-01 | General Electric Company | Electrolytic steam iron having means to minimize moisture condensation on the soleplate |
| NL8900639A (nl) * | 1989-03-16 | 1990-10-16 | Philips Nv | Stoomstrijkijzer met stoom-water scheidingsmiddelen. |
| DE102004032361B4 (de) | 2004-07-03 | 2009-12-10 | Braun Gmbh | Verfahren zur Bereitstellung von Dampf und entsprechendes Dampfbügeleisen |
| EP2251482A1 (fr) * | 2009-05-14 | 2010-11-17 | Koninklijke Philips Electronics N.V. | Unité de décharge de vapeur pour une utilisation dans la semelle d'un fer à repasser |
| CN201915273U (zh) * | 2010-12-30 | 2011-08-03 | 周劲松 | 一种手持式熨烫机的蒸汽发生器 |
| CN102587104B (zh) * | 2012-03-08 | 2013-10-30 | 佛山市顺德区盛熙电器制造有限公司 | 一种便携式蒸汽熨烫机 |
| FR3053704B1 (fr) * | 2016-07-07 | 2019-07-19 | Seb S.A. | Fer a vapeur comportant un dispositif de retenue de gouttelettes d'eau |
-
2016
- 2016-07-07 FR FR1656545A patent/FR3053704B1/fr not_active Expired - Fee Related
-
2017
- 2017-07-03 EP EP17745824.7A patent/EP3481992B1/fr active Active
- 2017-07-03 WO PCT/FR2017/051810 patent/WO2018007747A1/fr not_active Ceased
- 2017-07-07 CN CN201720818791.8U patent/CN207646491U/zh not_active Withdrawn - After Issue
- 2017-07-07 CN CN201710550973.6A patent/CN107587336B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN207646491U (zh) | 2018-07-24 |
| FR3053704A1 (fr) | 2018-01-12 |
| WO2018007747A1 (fr) | 2018-01-11 |
| EP3481992B1 (fr) | 2021-03-03 |
| CN107587336B (zh) | 2020-06-12 |
| FR3053704B1 (fr) | 2019-07-19 |
| CN107587336A (zh) | 2018-01-16 |
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