EP1424431B1 - Fer à repasser à vapeur avec dispositif pour l'injection d'air dans la chambre de vaporisation - Google Patents

Fer à repasser à vapeur avec dispositif pour l'injection d'air dans la chambre de vaporisation Download PDF

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Publication number
EP1424431B1
EP1424431B1 EP03027390A EP03027390A EP1424431B1 EP 1424431 B1 EP1424431 B1 EP 1424431B1 EP 03027390 A EP03027390 A EP 03027390A EP 03027390 A EP03027390 A EP 03027390A EP 1424431 B1 EP1424431 B1 EP 1424431B1
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EP
European Patent Office
Prior art keywords
steam
air
steam chamber
chamber
steam iron
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.)
Expired - Lifetime
Application number
EP03027390A
Other languages
German (de)
English (en)
Other versions
EP1424431A1 (fr
Inventor
Carmelo Albandoz Ruiz De Ocenda
Alfred Fraunhofer
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1424431A1 publication Critical patent/EP1424431A1/fr
Application granted granted Critical
Publication of EP1424431B1 publication Critical patent/EP1424431B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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 invention relates to a steam iron with a drip valve for introducing water into a heated steam chamber and a Damafbüaeleensensohle having at least one directed to be ironed laundry item opening for the passage of steam flowing from the steam chamber wherein a device for blowing air into the steam chamber is.
  • a generic steam iron is in the DE 476 394 C disclosed.
  • the DE 100 25 233 A1 describes a steam iron having a vaporization chamber, a vapor release valve and a steam iron sole. At least one steam opening directed at a laundry item to be ironed is formed therein. In the opened state, steam can be passed from an evaporation chamber via the at least one steam opening onto the laundry item to be ironed.
  • a device for generating steam which is also suitable for steam irons, is still from the EP 0 666 451 A1 known.
  • This device comprises a heating element and a steam chamber head whose inner walls form an annular steam chamber.
  • a rotating impeller is arranged, which is supplied via a water supply water. The rapidly rotating impeller atomizes the water into tiny droplets and reaches the hot steam chamber wall, where the water droplets evaporate.
  • An object of the present invention is to produce more steam in a generic steam iron and to improve its sliding properties.
  • the device for blowing air has at least one opening into the steam chamber air nozzle, which is arranged in the vicinity of an opening into the steam chamber Eintropfventils for introducing water, wherein a Outflow opening of the at least one air nozzle is directed to an outlet opening of the inlet valve.
  • the present invention is based on the idea to provide an additional device for blowing in air in a steam chamber of the steam iron.
  • at least one air nozzle opens into the steam chamber, through which air is blown into the steam chamber at a slight overpressure of, for example, approximately 0.5 to 1 bar.
  • the atomization of water and / or wet steam introduced therein is improved, so that a larger amount of steam can be generated.
  • the dosage amount can thus be increased.
  • the sliding of the iron can be improved, since the larger and more finely distributed amount of steam, the gliding is much smoother, similar to an air cushion.
  • the steam with a higher energy from the steam iron sole and penetrates deeper into the fabric of the laundry to be ironed, so that it is better loosened up.
  • a larger surface of the soleplate can be used in the evaporation, so that the evaporation takes place more uniform overall.
  • the at least one air nozzle is arranged in the vicinity of a drip valve opening into the steam chamber for introducing water and / or wet steam, wherein an outflow opening of the at least one air nozzle is directed onto an outlet opening of the inlet valve Air nozzle is directed to an outlet opening of Eintropfventils takes place an optimal distribution of the steam in the steam chamber, so that a total of a larger amount of steam can be generated in the same time.
  • the device for blowing in air comprises a compressor operated by a small electric motor.
  • One from the electric motor driven compressor wheel can suck in air from the environment and blow them with an overpressure of about 0.5 to 1 bar in the steam chamber. If the air is injected at any point in the steam chamber, thereby at least the sliding of the iron is improved. However, when the air is injected at the outlet of the drip valve, significant improvements are achieved in terms of the amount of steam generated, the sliding properties of the iron and the achievable output energy of the steam.
  • the outlet of the dropping valve is blown, a drop emerging therefrom is finely dispersed in the steam chamber, thereby increasing the surface area of the evaporation and thus increasing the generated amount of steam.
  • An alternative embodiment provides a compressed air reservoir in the steam iron, which has a downstream throttle device for generating the desired constant overpressure during the introduction into the steam chamber.
  • the compressed air reservoir may, for example, comprise an exchangeable cartridge which may be filled with an overpressure of more than 100 bar and which in this way can ensure a relatively long service life for a small size. With such a replaceable compressed air reservoir, the construction cost can be reduced compared to a compressor operated by an electric motor and the additional construction weight required for the device for blowing in air can be reduced.
  • a further embodiment of the invention can provide that two or more very fine air nozzles are arranged concentrically around the drip valve and ensure optimum steam generation by extremely fine atomization of the water and / or wet steam supplied by means of the one-pot valve.
  • a steam iron 10 has a housing 12 known per se with a handle and a steam iron sole plate 16 directed downwards, which can be heated and which is pushed under more or less strong pressure over a laundry item to be ironed.
  • a steam chamber 14 is arranged, into which by means of a Eintropfventils 20 water from a water tank (not shown) is introduced and finely atomized into small water droplets.
  • a device 22 for blowing air into the steam chamber 14 comprises at least one air nozzle 24 which opens into the steam chamber 14 and is connected via a connecting line 30 to a compressor 26 whose compressor wheel is driven by an electric motor 28. Since in a steam iron 10, a power supply for operating the heater is available anyway, the electric motor 28 can be easily operated without significant additional design effort on this power supply.
  • the at least one air nozzle 24 is directed with its outflow opening to an outlet opening of the Eintropfventils 20, whereby a much finer distribution of the water droplets and thus a higher steam flow rate can be achieved.
  • An embodiment of the invention provides two or more air nozzles 24, which are arranged concentrically around the drip valve 20 and each have very fine outflow openings for the injection of air into the steam chamber 14. This can lead to a further improvement of the steam flow rate.
  • the air is preferably blown into the steam chamber 14 at an overpressure of about 0.5 to 1 bar.
  • a variant of the invention which is likewise not shown here provides for a compressed air reservoir to be arranged in the housing 12 instead of an electric motor-driven compressor, the high overpressure of which is preferably reduced to the desired overpressure (0.5-1 bar) by means of a throttle.
  • This compressed air reservoir may be formed, for example, in the form of a replaceable cartridge, which has a very low weight and in this way increases the total weight of the steam iron 10 only slightly.
  • the air-blowing device 22 enables a marked improvement in ironing results, since the steam iron 10 slides approximately as if it were on an air cushion, but at least its sliding properties are improved.
  • the increased amount of escaping steam 40 through the openings 18 exits simultaneously with higher energy, whereby the steam 40 penetrates deeper into the fabric to be ironed and this loosens more.
  • the evaporation of a larger surface of the steam iron sole 16 is applied, so that the evaporation is more uniform overall. This can be done in particular by the use of at least two Air nozzles 24 can be achieved, which can distribute the water droplets emerging from the drip valve 20 much better within the steam chamber 14 than the dripping valve 20 alone or only a single air nozzle 24th

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (6)

  1. Fer à repasser à vapeur comprenant une soupape d'égouttage (20) destinée à apporter de l'eau dans une chambre à vapeur (14) pouvant être chauffée et comprenant une semelle en fer (16) de fer à repasser à vapeur, qui présente au moins une ouverture (18) dirigée vers une pièce de linge à repasser, destinée à guider la vapeur (40) s'écoulant hors de la chambre à vapeur (40), un dispositif (22) destiné à insuffler de l'air dans la chambre à vapeur (14) étant ménagé, caractérisé en ce que le dispositif (22) destiné à insuffler de l'air présente au moins une buse à air (24) aboutissant dans la chambre à vapeur (14), laquelle buse à air est disposée à proximité d'une soupape d'égouttage (20) aboutissant dans la chambre à vapeur (14) et destinée à apporter de l'eau, une ouverture d'écoulement de l'au moins une buse d'air (24) étant orientée vers une ouverture de sortie de la soupape d'égouttage (20).
  2. Fer à repasser à vapeur selon la revendication 1, caractérisé en ce que l'air insufflé dans la chambre à vapeur (14) présente une surpression d'au moins env. 0,5 bar.
  3. Fer à repasser à vapeur selon la revendication 1 ou 2, caractérisé en ce que le dispositif (22) destiné à insuffler de l'air comprend un compresseur (26) entraîné par un moteur électrique (28).
  4. Fer à repasser à vapeur selon la revendication 1 ou 2, caractérisé en ce que le dispositif (22) destiné à insuffler de l'air présente un réservoir à pression ainsi qu'un restricteur disposé en aval.
  5. Fer à repasser à vapeur selon la revendication 4, caractérisé en ce que le réservoir à pression est réalisé sous forme d'une cartouche interchangeable.
  6. Fer à repasser à vapeur selon l'une quelconque des revendications précédentes, caractérisé en ce que deux ou plusieurs buses à air (24) très fines sont disposées concentriquement autour de la soupape d'égouttage (20).
EP03027390A 2002-11-28 2003-11-27 Fer à repasser à vapeur avec dispositif pour l'injection d'air dans la chambre de vaporisation Expired - Lifetime EP1424431B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10255677 2002-11-28
DE10255677 2002-11-28

Publications (2)

Publication Number Publication Date
EP1424431A1 EP1424431A1 (fr) 2004-06-02
EP1424431B1 true EP1424431B1 (fr) 2011-10-05

Family

ID=32240506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03027390A Expired - Lifetime EP1424431B1 (fr) 2002-11-28 2003-11-27 Fer à repasser à vapeur avec dispositif pour l'injection d'air dans la chambre de vaporisation

Country Status (3)

Country Link
EP (1) EP1424431B1 (fr)
AT (1) ATE527406T1 (fr)
ES (1) ES2372173T3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1593898A (en) * 1925-11-12 1926-07-27 Cannon Engineering Co Electric sadiron
DE476394C (de) * 1928-05-19 1929-05-16 Joseph Schneider Buegeleisen mit einem Verdampfungsraum und einem Luftheizraum
BE547490A (fr) * 1955-05-03
DE3437825C2 (de) * 1984-01-13 1986-08-14 Rowenta-Werke Gmbh, 6050 Offenbach Dampfbügeleisen
IT1272133B (it) * 1993-03-23 1997-06-11 Dierre Finanziaria S R L Ferro da stiro per la stiratura di tessuti umidi e non
DE4315800A1 (de) * 1993-05-13 1994-11-24 Knorr Wilfried Vorrichtung zur Beaufschlagung von Textilien u. dgl. mit Fluiden, insbesondere Bügelgerät
FR2764912B1 (fr) * 1997-06-18 1999-09-17 Seb Sa Appareil de repassage, a air chaud et humide

Also Published As

Publication number Publication date
ES2372173T3 (es) 2012-01-16
ATE527406T1 (de) 2011-10-15
EP1424431A1 (fr) 2004-06-02

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