EP0854950B1 - BüGELMASCHINE MIT EINEM BüGELEISEN UND EINEM STäNDER - Google Patents

BüGELMASCHINE MIT EINEM BüGELEISEN UND EINEM STäNDER Download PDF

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Publication number
EP0854950B1
EP0854950B1 EP97926180A EP97926180A EP0854950B1 EP 0854950 B1 EP0854950 B1 EP 0854950B1 EP 97926180 A EP97926180 A EP 97926180A EP 97926180 A EP97926180 A EP 97926180A EP 0854950 B1 EP0854950 B1 EP 0854950B1
Authority
EP
European Patent Office
Prior art keywords
ironing machine
iron
pump
machine according
valve
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
EP97926180A
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English (en)
French (fr)
Other versions
EP0854950A1 (de
Inventor
Boon Kihan Ching
Tang Pong Har
Albertus Peter Johannes Michels
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of EP0854950A1 publication Critical patent/EP0854950A1/de
Application granted granted Critical
Publication of EP0854950B1 publication Critical patent/EP0854950B1/de
Anticipated expiration legal-status Critical
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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
    • D06F75/12—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

Definitions

  • the invention relates to an ironing machine comprising an iron and a stand, the iron comprising a steam generator and the stand comprising a water reservoir, the water reservoir being connected to the steam generator by means of a duct, the ironing machine further comprising a pump driven by an electric current, for pumping water from the reservoir to the iron, and flow rate adjustment means having settings corresponding to at least two different flow rates of water to the steam generator.
  • Such an ironing machine is known from EP-A-0 557 901.
  • the known ironing machine consists of an iron and a stand comprising a water reservoir and an electrical pump.
  • the pump serves to pump water from the reservoir to a steam chamber of the iron via a duct.
  • the flow rate of water into the steam chamber is adjustable by means of a valve.
  • a disadvantage of the known ironing machine is that the pump is heavily loaded when a small flow rate is selected by the user. This requires a special pump or results in a reduced life of the pump.
  • Another disadvantage of the known ironing machine is that due to component tolerances the range of flow-rate fluctuation at each setting is rather large. This could result in insufficient steam or in water spitting out when the flow rate exceeds the steaming capacity of the iron.
  • the ironing machine according to the invention is characterized in that the flow rate adjustment means comprise an electrical control circuit for controlling the electric current supplied to the pump in dependence on the setting. Due to this measure the electric current supplied to the pump is adjustable, resulting in a desired flow rate of water to the steam generator.
  • the pump is only loaded in so far as this is required in order to obtain a desired flow rate, as a result of which a longer lifetime of the pump is obtained.
  • the pump can be chosen from a larger range, thus enabling the specifications and overall costs of the ironing machine to be optimized.
  • a valve in the iron is not required so that there is more freedom in the mechanical design of the ironing machine.
  • An embodiment of the ironing machine according to the invention is characterized in that the flow rate adjustment means comprise a manually adjustable selector for selecting a setting. Due to these measures the user can choose the amount of steam generated by the steam generator.
  • An embodiment of the ironing machine according to the invention is characterized in that the selector is located at the iron. Due to this measure the user can operate the selector with the hand which holds the iron.
  • An embodiment of the ironing machine according to the invention is characterized in that the electric current pulsates or alternates with a frequency which depends on the setting.
  • the variation of the frequency of the electric current in dependence on the setting results in a proper operation of the pump for low and high flow rates.
  • the pump may, for example, be an electromagnetically driven piston pump or membrane pump.
  • An embodiment of the ironing machine according to the invention is characterized in that the iron comprises a spray nozzle, the spray nozzle being connected to the duct via a valve. By opening the valve, spray operation is obtained without the user having to operate a manual pump. As a result of these measures the spray function is very convenient to operate and a continuous spray operation is obtained.
  • An embodiment of the ironing machine according to the invention is characterized in that the valve is loaded by resilient means. This measure ensures that the valve is closed when the pressure in the duct is below a certain value. By setting the electric current to, for example, its maximum value, the pressure in the duct will increase and the valve will automatically open, resulting in water spraying out of the nozzle. Hence, the spray function can be activated with an electrical switch connected to the control circuit.
  • An embodiment of the ironing machine according to the invention is characterized in that the iron comprises a further valve located between the duct and the steam generator, the iron further comprising actuating means for closing said further valve and setting a predetermined electric current for the pump.
  • the actuating means By activating the actuating means the spray function will be started and the flow of water into the steam generator is interrupted so that the production of steam is not increased by activating the spray function.
  • An embodiment of the ironing machine according to the invention is characterized in that activation of the actuating means causes the further valve to be closed before said predetermined electric current is set. This measure prevents a short blast of steam from being generated when the spray function is activated.
  • An embodiment of the ironing machine according to the invention is characterized in that said actuating means cooperate with a chamber having a variable volume, the chamber being connected to the duct at a location between the pump and said further valve, release of the actuating means resulting in subsequent resetting of the electric current of the pump, the volume of the chamber being increased, and said further valve being opened.
  • the pressure built up in the duct results in a blast of steam when the valve to the steam generator is opened.
  • the duct is made of a flexible material, which is necessary in order to obtain a flexible connection between the stand and the iron, this blast of steam may be substantial.
  • An embodiment of the ironing machine according to the invention is characterized in that the volume of said chamber is variable by means of a movable piston, the actuating means comprising a manually depressible knob disposed at the outside of the iron and cooperating with said further valve, said piston and a switch being connected to the electrical control circuit, the valve being opened or closed, respectively, by depressing or releasing the knob over a first range of its stroke, the piston being moved by moving the knob over a second range of its stroke, and the switch being opened or closed, respectively, by depressing or releasing the knob over a third range of its stroke.
  • Fig. 1 is a diagrammatic representation showing a first embodiment of the ironing machine according to the invention.
  • the ironing machine comprises an iron 1 and a stand 2.
  • the iron 1 comprises a steam generator 11, in this case in the form of a steam chamber in the sole plate 15 of the iron 1.
  • the stand 2 comprises a reservoir 21, which is connected to the steam generator 11 by means of a duct 3.
  • the ironing machine further comprises a pump 22 in the duct 3, which pump 22 can be driven by an electric current, and flow-rate adjustment means 41.
  • the flow-rate adjustment means 41 have at least three settings corresponding to different flow-rates of water into the steam generator 11 and comprise an electrical control circuit, in this case in the form of a control unit 41 and a driver 45, to control the electric current supplied to the pump 22 in dependence on the setting.
  • the control unit 41 comprises a manually adjustable selector 42 for selecting a setting and a trigger 43 for activating the pump 22. During use the user can depress the trigger 43 when steam operation is required. This will cause the pump 22 to be activated and to produce a flow-rate of water into the steam generator 11 in dependence upon the setting selected by means of the adjustable selector 42.
  • the control unit 41 is located in the grip of the iron 1 so that the trigger 43 and the selector 42 can be operated by the hand which holds the iron 1.
  • the sole plate 15 is heated by means of a heating element 12, which is connected to the mains via a thermostat 13.
  • the driver 45 comprises an electric power supply, which supplies the pump 22 with an electric current controlled by the control unit 41.
  • the driver 45 which is located at the stand, is connected to the control unit 41 by means of the cable 44 and can be connected to the mains via a mains cable 46.
  • the cable 44 also serves to connect the heating element to the mains cable 46.
  • the electric current supplied to the pump 22 by the driver 45 pulsates or alternates with a frequency which depends on the setting of the manually adjustable selector 42.
  • the mains frequency is reduced to multiples of 2.5 Hz so that the frequency of the electric current supply to the pump 22 can be set to 2.5 Hz, 5 Hz and 7.5 Hz.
  • Each of these frequencies corresponds to a different flow-rate of water from the water reservoir 21 to the steam generator 11.
  • the selector 42 may have a special setting, or a separate switch (not shown) may be provided to operate the pump at the mains frequency. In that case the pump 22 will deliver full flow into the steam generator 11. This large quantity of water will serve to flush out soluble salts and bits of insoluble scale.
  • Fig. 2 shows a detail of an iron of a second embodiment of the ironing machine according to the invention.
  • the iron 1 comprises a spray nozzle 5 at the outside, which spray nozzle 5 is connected to the duct 3 via a valve 51, another duct 32 and a chamber 63.
  • the valve 51 is loaded by resilient means, in this case a spring 52.
  • the pump 22 When the pump 22 is operated at a low frequency the pressure in the duct 3 will be such that the valve 51 remains closed. However, when the pump 22 is operated at the mains frequency the pressure in the duct 3 will rise, causing the valve 51 to be opened and a spray operation will result.
  • the iron 1 comprises a further valve 61, which is located between the duct 3 and the steam generator 11, and actuating means, in this case in the form of a knob 62, for closing said further valve 61 and setting a predetermined electric current for the pump 22.
  • the iron 1 comprises a chamber 63 which is connected to the duct 3 at the position between the pump 22 and the further valve 61.
  • a piston 64 which bounds the chamber 63, is connected to the manually depressible knob 62 and is held in its upper position by a spring 68.
  • the manually depressible knob 62 can activate a switch 47 via a lever 66.
  • the flow of water may also be adjusted by modulating the level of the current supplied to the pump or the level of the voltage applied to the pump 22 in dependence upon the setting.
  • the driver 45 and the control unit 41 can be integrated into one unit located either at the iron or the stand.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)

Claims (10)

  1. Bügelmaschine mit einem Bügeleisen (1) und einem Ständer (2), wobei das Bügeleisen einen Dampferzeuger (11) aufweist und wobei der Ständer einen Wasserbehälter (21) umfasst, wobei der Wasserbehälter mit Hilfe eines Schlauchs (3) mit dem Dampferzeuger verbunden ist, wobei die Bügelmaschine weiterhin eine von elektrischem Strom betriebene Pumpe (22) aufweist zum Pumpen von Wasser von dem Behälter zu dem Bügeleisen, sowie Mittel zum Einstellen der Durchflussgeschwindigkeit mit Einstellungen entsprechend wenigstens zwei verschiedenen Geschwindigkeiten des Wassers zu dem Dampferzeuger, dadurch gekennzeichnet, dass die Mittel zum Einstellen der Durchflussgeschwindigkeit eine elektrische Regelschaltung (41, 45) aufweisen zum Regeln des elektrischen Stromes, der, abhängig von der Einstellung, der Pumpe zugeführt wird.
  2. Bügelmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Einstellen der Durchflussgeschwindigkeit einen von Hand einstellbaren Selektor (42) zum Selektieren einer Einstellung umfassen.
  3. Bügelmaschine nach Anspruch 2, dadurch gekennzeichnet, dass der Selektor (42) auf dem Bügeleisen (1) untergebracht ist.
  4. Bügelmaschine nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der elektrische Strom mit einer Frequenz pulsiert oder wechselt, die abhängig ist von der Einstellung.
  5. Bügelmaschine nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Bügeleisen (1) eine Sprühdüse (5) aufweist, wobei diese Sprühdüse über ein Ventil (51) mit dem Schlauch (3) verbunden ist.
  6. Bügelmaschine nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Ventil (51) durch Federmittel (52) belastet wird.
  7. Bügelmaschine nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass das Bügeleisen (1) ein weiteres Ventil (61) aufweist, das zwischen dem Schlauch (3) und dem Dampferzeuger (11) vorgesehen ist, wobei das Bügeleisen weiterhin Betätigungsmittel (62) aufweist zum Schließen des genannten weiteren Ventils und zum Einstellen eines vorbestimmten elektrischen Stroms für die Pumpe.
  8. Bügelmaschine nach Anspruch 7, dadurch gekennzeichnet, dass Aktivierung der Betätigungsmittel (62) dafür sorgt, dass das weitere Ventil (61) geschlossen wird, bevor der genannte vorbestimmte elektrische Strom eingestellt wird.
  9. Bügelmaschine nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die genannten Betätigungsmittel (62) mit einer Kammer (63) zusammenarbeiten, die ein veränderliches Volumen hat, wobei diese Kammer mit dem Schlauch (3) verbunden ist, und zwar an einer Stelle zwischen der Pumpe (22) und dem genannten weiteren Ventil (61), wobei eine Freigabe der Betätigungsmittel dazu führt, dass danach der elektrische Strom der Pumpe zurückgesetzt wird, wobei das Volumen der Kammer zunimmt und das genannte weitere Ventil geöffnet wird.
  10. Bügelmaschine nach Anspruch 7, 8 oder 9, dadurch gekennzeichnet, dass das Volumen der genannten Kammer mit Hilfe eines verlagerbaren Kolbens (64) variabel ist, wobei die Betätigungsmittel einen von Hand eindrückbaren Knopf (62) aufweisen, der an der Außenseite des Bügeleisens vorgesehen ist und der mit dem genannten weiteren Ventil (61) zusammenarbeitet, wobei dieser Kolben und ein Schalter (47) mit der elektrischen Regelschaltung (41, 45) verbunden sind, wobei das Ventil dadurch geöffnet bzw. geschlossen werden kann, dass der Knopf über einen ersten Bereich des Hubraums heruntergedrückt bzw. freigegeben wird, wobei der Kolben durch Bewegung des Knopfes über einen zweiten Bereich des Hubraums bewegt werden kann und der Schalter dadurch geöffnet bzw. geschlossen wird, dass der Knopf über einen dritten Bereich des Hubraums heruntergedrückt bzw. freigegeben wird.
EP97926180A 1996-07-01 1997-06-27 BüGELMASCHINE MIT EINEM BüGELEISEN UND EINEM STäNDER Expired - Lifetime EP0854950B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG9610196 1996-07-01
SG9610196A SG55210A1 (en) 1996-07-01 1996-07-01 Ironing machines comprising an iron and a stand
PCT/IB1997/000797 WO1998000597A1 (en) 1996-07-01 1997-06-27 Ironing machine comprising an iron and a stand

Publications (2)

Publication Number Publication Date
EP0854950A1 EP0854950A1 (de) 1998-07-29
EP0854950B1 true EP0854950B1 (de) 2001-11-28

Family

ID=20429431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97926180A Expired - Lifetime EP0854950B1 (de) 1996-07-01 1997-06-27 BüGELMASCHINE MIT EINEM BüGELEISEN UND EINEM STäNDER

Country Status (6)

Country Link
EP (1) EP0854950B1 (de)
JP (1) JP2002514950A (de)
CN (1) CN1092733C (de)
DE (1) DE69708588T2 (de)
SG (1) SG55210A1 (de)
WO (1) WO1998000597A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0999303T3 (da) * 1998-11-04 2003-09-15 Esse 85 S R L Professionelt dampstrygejerg
ITPN20010008U1 (it) * 2001-03-01 2002-09-02 Euro Star Srl Gruppo di stiratura a vapore con spruzzatore d'acqua
EP1839760A1 (de) 2005-01-17 2007-10-03 Universidad de Sevilla Verfahren und vorrichtung zum mikromischen von flüssigkeiten mithilfe einer rücklaufzelle
ES2336519B1 (es) * 2007-08-24 2011-02-18 Bsh Krainel, S.A. Dispositivo de planchado a vapor con micro-bomba con valvula de salida de varias vias controlable.
DE102009055163B4 (de) * 2009-12-22 2013-01-10 BSH Bosch und Siemens Hausgeräte GmbH Dampfstation mit Temperatureinstellmittel
DE202010009975U1 (de) * 2010-06-28 2010-10-21 Alfred Kärcher Gmbh & Co. Kg Dampfabgabevorrichtung, Dampferzeugungsvorrichtung sowie kombinierte Dampferzeugungs- und Dampfabgabevorrichtung
GB2485553B (en) * 2010-11-17 2014-01-22 Richards Morphy N I Ltd Electric iron with nozzle for water mist
CN103061093A (zh) * 2011-10-18 2013-04-24 皇家飞利浦电子股份有限公司 服装蒸汽挂烫机以及用于该服装蒸汽挂烫机的方法
ITTV20130181A1 (it) * 2013-11-07 2015-05-08 Pier Antonio Milanese Ferro da stiro a vapore

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941518A (en) * 1973-05-25 1976-03-02 Scm Corporation Steam-spray iron
US4535556A (en) * 1983-03-01 1985-08-20 Alfredo Cavalli Steam ironing apparatus with a separate water reservoir
IT212957Z2 (it) * 1987-11-10 1989-10-06 Magic Line Spa Ferro da stiro elettrico a vapore con caldaia serbatoio separata dove l' alimentazione di acqua in pressione e a tempatura ambiente alla camera calda del ferro e' assicurata automaticamente utilizzando le forze che gia' si riversano sull'impagnatura del ferro durante la normale operazione di stiratura.
IT1240471B (it) * 1990-06-01 1993-12-17 Nida S.R.L. Ferro da stiro a vapore, perfezionato.
FR2688013B1 (fr) * 1992-02-28 1995-11-10 Moulinex Sa Centrales de repassage a vapeur comprenant un fer a repasser.
DE4214564C1 (de) * 1992-05-08 1993-09-02 Rowenta-Werke Gmbh, 6050 Offenbach, De
FR2703371B1 (fr) * 1993-04-02 1995-05-12 Seb Sa Fer à repasser à vapeur à réservoir extérieur.

Also Published As

Publication number Publication date
DE69708588T2 (de) 2002-08-08
JP2002514950A (ja) 2002-05-21
CN1196765A (zh) 1998-10-21
DE69708588D1 (de) 2002-01-10
SG55210A1 (en) 2005-01-28
EP0854950A1 (de) 1998-07-29
CN1092733C (zh) 2002-10-16
WO1998000597A1 (en) 1998-01-08

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