EP2318583A1 - Steam iron - Google Patents
Steam ironInfo
- Publication number
- EP2318583A1 EP2318583A1 EP09781990A EP09781990A EP2318583A1 EP 2318583 A1 EP2318583 A1 EP 2318583A1 EP 09781990 A EP09781990 A EP 09781990A EP 09781990 A EP09781990 A EP 09781990A EP 2318583 A1 EP2318583 A1 EP 2318583A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- steam
- valve
- water tank
- steam chamber
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 17
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 238000010409 ironing Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 208000004434 Calcinosis Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 1
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
- 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
-
- 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
- D06F75/10—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
Definitions
- the present invention relates to a steam iron, comprising: a water tank hydraulically connectable to a steam chamber via an antechamber, the prechamber having an inlet port communicating with the water tank and an outlet port communicating with the steam chamber a valve for opening and closing the inlet port and an actuator for actuating the valve and allowing the flow of water from the water tank through the inlet port via the pre-chamber through the outlet port into the vapor chamber.
- a problem with the ironing devices is the proper cleaning of the steam chamber. It is well known that in areas of hard water, a limescale layer (generally limestone) accumulates on the inner surfaces of the steam chamber. The limestone layers affect the transfer of heat to the steam chamber. Therefore, it is expedient for a user to be able to remove the limestone layer.
- the iron should preferably have a system called a steam chamber cleaning system.
- the known irons have a water channel parallel to the anti-drip valve for the direct supply of water to the steam chamber without passing through the anti-drip valve.
- the self-cleaning is achieved by introducing a large amount of water into the interior of the steam chamber at a low temperature so that the steam chamber can not vaporize at the moment it is introduced, and thus with a subsequent increase in the temperature of the steam chamber a sudden evaporation takes place, the lime, which has started in the interior of the steam chamber, los- and entrains through the outlet openings of the steam chamber to the outside.
- the user can open a purge valve and introduce a large amount of water into the vapor chamber, thereby performing automatic warm cleaning on the walls of the vapor chamber, so that the large amount of cold water brings about a kind of thermal shock on the walls, causing the calcifications to break and their bursting leads into small particles, which then over the - -
- Steam outlet connections of the steam chamber can escape. This cleaning operation may be repeated several times, so that it is necessary to reheat the steam chamber because a drop in the temperature of the steam chamber wall is caused due to the introduction of a large amount of cold water into the steam chamber.
- the patent WO 9809015 shows a cleaning system with a metering system-independent valve, which is designed as a flexible plug that opens an opening between the water tank and the steam chamber when actuated. This rather complicated valve is located in a direct line to the steam chamber, which is exposed to high temperatures, which can damage it over time.
- the lime is not sufficiently removed from the walls where a thick layer of lime has developed, that is, in the area closest to the drip valve and where the water enters the camera to produce ironing steam.
- the reason why this area is less well cleaned is that the water introduced to clean the steam chamber cools down before it gets to that point with the large accumulation of limescale, which is why it is less effective there.
- systems have been developed so that the cleaning water enters through the same inlet as the dripping water.
- the steam iron has an anti-drip device that stops the entry of water to be evaporated into the steam chamber when the steam chamber is not warm enough to avoid leakage of water onto the garment being ironed.
- a known anti-drip device that fulfills this function consists of a bimetallic thermocouple, which is exposed to the heating of the steam chamber and opens at a certain temperature and higher temperatures, a flow of water from the water tank by pressing an anti-drip valve, and the flow of Water from the water reservoir through an inlet opening in the steam chamber, which is regulated by a movable control rod, allows in the pressure chamber.
- the bimetallic thermocouple operates the anti-drip valve to block the flow of water from the water container and stop water from entering the steam chamber, although the inlet opening of the steam chamber is not closed by the movable control rod.
- This known iron also has self-cleaning means for cleaning the interior of the steam chamber. This is necessary because the lime contained in the water used for ironing gradually attaches to the inner walls of the steam chamber in the vicinity of the dripping area with time and use, as already mentioned. In the long term, this will cause the steam chamber to become clogged and the life of the iron to be shortened.
- the iron has an operating mode in which the movable control rod is placed in self-cleaning position.
- the self-cleaning agents are based on allowing the flow of water through the anti-drip valve into the steam chamber through an opening in the steam chamber that is opened by the wand when the steam chamber is not warm enough. This is achieved with a movable control rod having means for opening or keeping open the anti-drip valve when it is placed in the self-cleaning position. That is, it works when the steam chamber is cold or warm.
- the means for opening or keeping open the anti-drip valve which describes the patent, are by means of a mechanical actuation, a lever which is connected between the rod and the valve, the anti-drip valve opens and the flow of water from the water tank through the opening of the steam chamber the steam chamber is open.
- this is a rather complicated system as it combines the can system with self-cleaning and uses the same anti-drip valve as a metering valve.
- the invention is therefore based on the object or technical problem of producing a new steam iron with a simple, effective, safe and reliable steam chamber cleaning system.
- a steam iron comprising: a water tank hydraulically connectable to a steam chamber via an antechamber, the prechamber having an inlet port communicating with the water tank and an outlet port communicating with the steam chamber stands, a valve for opening and closing the inlet port and an actuator for actuating the valve and - -
- the one-piece flexible material valve having a plug portion insertable into the inlet port for closing the same, and a spring portion carrying the Stopfenteil presses on the inlet connection, has.
- This cleaning system is completely independent of the dosing system, which avoids complexities. This system can be used regardless of whether the iron has an anti-drip system or not.
- the simple valve is arranged to fire the inlet port which is away from the exit port of the prechamber closer to the steam chamber.
- the actuator is a button that has a button that is accessible from the outside of the iron and an actuator that extends from the button to the interior of the pre-chamber through the inlet port for actuating the valve, thereby compressing the plug part the flow of water through the inlet port is made possible.
- valve is directly actuated and lets the water through to fill the steam chamber with water.
- a simple embodiment of the spring part is a coaxial ring around the plug part.
- a simple embodiment of the actuating element is to perform the actuator as an arm, which is inserted through an opening in a wall of the water tank into the interior of the water tank, wherein the opening has a seal.
- the pre-chamber is defined by the wall of the water tank having the inlet port and an antechamber wall connected to the wall of the water tank having the outlet port.
- the water flow channel is formed by the container to the steam chamber.
- the steam chamber is closed with a steam chamber cover having an opening - -
- the wall of the pre-chamber may be made of a less temperature-sensitive material and may also be connected to the wall of the water tank by a plastic joint system.
- the orifice is located near the steam generation area of the dosing system to provide the greatest thermal shock at that point.
- the pipe is made of an elastic material, such as silicone, which withstands high temperatures.
- the pipe can be a simple silicone pipe, which is much cheaper than a complicated part like the prechamber.
- the valve is arranged fixed to the antechamber wall in the interior of the prechamber. As a result, it is kept away from the high temperatures of the steam chamber and in a reliable position for its operation.
- the spring part is inserted into a projection of the pre-chamber wall, and the pre-chamber wall is made of a rigid plastic material.
- Fig. 1 is a schematic view of a steam iron of the invention with a
- Fig. 2 is a schematic view of a section of a steam iron of the invention with a section of the region of the pre-chamber with the valve open.
- FIG. 1 shows a schematic view of a steam iron 1 of the invention with a partial section of the cleaning system of the steam chamber 6. - -
- the iron has a soleplate 14, through which the water vapor which is produced within the steam chamber 6 emerges.
- the steam chamber is closed with a steam chamber cover 61 and is heated with a steam chamber heating element 10 to generate the steam in its interior from the water introduced into it by the dosing system 4 or by the steam chamber cleaning system.
- the iron on an actuator 3, which has a button 31 which is connected to an actuator 32 which extends through an opening 21 in a water tank wall 22 to the interior of the water tank 2.
- an actuator 32 which extends through an opening 21 in a water tank wall 22 to the interior of the water tank 2.
- a seal 23 is arranged.
- the end of the actuator 32 extends to the water tank wall 22 opposite a first wall, where the inlet port 72 is formed in the pre-chamber 7.
- the actuator comes into contact with the plug part 51 of the valve 5, which closes the inlet port 72.
- the pre-chamber 7 is defined by the water tank wall 22 having the inlet port 72 and an antechamber wall 76 connected to the water tank wall 22 and having the outlet port 74.
- the connection of the pre-chamber wall with the water container wall can be made by plastic solder, since this is a reliable form for sealing their connection point. They could also be connected by means of adhesive or simply by a plug connection.
- the prechamber wall where the outlet port is, could be integrally formed with the water tank wall.
- the pre-chamber would then be closed by a soldered, glued or clamped cover where the entry port is located.
- the cover for example, would be a flat part of very simple manufacture.
- the prechamber wall 76 has a projection 78 where the spring member 52 of the valve 5 is inserted.
- the valve 5 has a circular outline with a spring part in the form of a coaxial ring around the plug part 51. This embodiment provides stability to the valve 5 when it is pressed by the actuator 32, as seen in Figure 2, and prevents it from moving out of position, creating a hermetic seal - -
- the plug-in system of the spring member 52 with the annular shape inserted into the projection 78 of the antechamber wall causes the installation to be very simple.
- the projection 78 may have a cylindrical shape with a flat upper base which acts as a limit to the movement of the plug member as it is pressed against the projection 78 by the actuator 32 with force until it abuts it, as in FIG 2 can be seen. In this way, the problem is avoided that the valve, when placed in a through hole, can be widened when it is pressed.
- the inlet port 76 is hydraulically connected to an opening 62 in the steam chamber cover 61 by a conduit 8, which is designed as a silicone tube, which withstands higher temperatures than the plastic of the prechamber 7.
- the opening 62 of the steam chamber is arranged in the vicinity of the water inlet of the dosing system 4 for the dripping water for ironing. In this way, the larger thermal shock causes more lime to be removed in this area.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Irons (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200802527A ES2360994B1 (en) | 2008-08-22 | 2008-08-22 | STEAM IRON. |
PCT/EP2009/060720 WO2010020659A1 (en) | 2008-08-22 | 2009-08-19 | Steam iron |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2318583A1 true EP2318583A1 (en) | 2011-05-11 |
EP2318583B1 EP2318583B1 (en) | 2018-05-02 |
Family
ID=41326782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09781990.8A Active EP2318583B1 (en) | 2008-08-22 | 2009-08-19 | Steam iron |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2318583B1 (en) |
ES (1) | ES2360994B1 (en) |
RU (1) | RU2471029C2 (en) |
WO (1) | WO2010020659A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113668213A (en) * | 2020-05-14 | 2021-11-19 | 青岛海尔滚筒洗衣机有限公司 | A water box and nursing machine for nursing machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3728805A (en) * | 1972-05-31 | 1973-04-24 | Gen Electric | Multi-function steam iron |
FR2722518B1 (en) * | 1994-07-18 | 1997-06-13 | Moulinex Sa | STEAM IRON |
WO1998009015A1 (en) * | 1996-08-26 | 1998-03-05 | Philips Electronics N.V. | Reservoir for fluid and steam iron comprising such reservoir |
SG55460A1 (en) * | 1998-03-04 | 2000-04-18 | Koninkl Philips Electronics Nv | Device for ironing laundry |
FR2821369B1 (en) * | 2001-02-27 | 2003-09-05 | Rowenta Werke Gmbh | PULSED STEAM IRON |
FR2845400B1 (en) * | 2002-10-08 | 2004-11-19 | Rowenta Werke Gmbh | IRON WITH MULTIPURPOSE DRIP |
FR2852028B1 (en) * | 2003-03-03 | 2005-06-24 | Seb Sa | STEAM IRON WITH PLASTIC SKIRT ENCLOSING THE VAPORIZATION CHAMBER |
ES2330698B1 (en) * | 2006-10-24 | 2010-09-21 | Bsh Krainel, S.A. | STEAM IRON. |
-
2008
- 2008-08-22 ES ES200802527A patent/ES2360994B1/en not_active Expired - Fee Related
-
2009
- 2009-08-19 EP EP09781990.8A patent/EP2318583B1/en active Active
- 2009-08-19 RU RU2011108698/12A patent/RU2471029C2/en active
- 2009-08-19 WO PCT/EP2009/060720 patent/WO2010020659A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010020659A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2360994B1 (en) | 2012-04-19 |
RU2011108698A (en) | 2012-09-27 |
WO2010020659A1 (en) | 2010-02-25 |
RU2471029C2 (en) | 2012-12-27 |
EP2318583B1 (en) | 2018-05-02 |
ES2360994A1 (en) | 2011-06-13 |
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