EP2126189A1 - Dampfbügeleisen mit tank mit überdrucksicherheitsvorrichtung - Google Patents

Dampfbügeleisen mit tank mit überdrucksicherheitsvorrichtung

Info

Publication number
EP2126189A1
EP2126189A1 EP08719274A EP08719274A EP2126189A1 EP 2126189 A1 EP2126189 A1 EP 2126189A1 EP 08719274 A EP08719274 A EP 08719274A EP 08719274 A EP08719274 A EP 08719274A EP 2126189 A1 EP2126189 A1 EP 2126189A1
Authority
EP
European Patent Office
Prior art keywords
tank
valve
opening
pump
reservoir
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
Application number
EP08719274A
Other languages
English (en)
French (fr)
Other versions
EP2126189B1 (de
Inventor
Dierk Spatz
Wolfgang Keller
Jochen Weber
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.)
Rowenta Werke GmbH
Original Assignee
Rowenta Werke 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 Rowenta Werke GmbH filed Critical Rowenta Werke GmbH
Priority to PL08719274T priority Critical patent/PL2126189T3/pl
Publication of EP2126189A1 publication Critical patent/EP2126189A1/de
Application granted granted Critical
Publication of EP2126189B1 publication Critical patent/EP2126189B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D06F75/14—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
    • 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 present invention relates to steam irons comprising a body enclosing a tank surmounting a heating body and relates more particularly to an iron comprising a tank provided with a safety device against overpressures, these overpressures can in particular be generated by raising the temperature of the reservoir when the supply sluice of the vaporization chamber and the filling orifice of the reservoir are closed.
  • the object of the present invention is to overcome these disadvantages by providing an iron with a reservoir provided with a safety device against deletions that is simple and economical to achieve.
  • Another object of the present invention is to provide a safety device which lets steam escape in the direction of the vaporization chamber when the tank is overpressurized so as to allow the evaporation of any water droplets and the evacuation of the steam through the holes of the sole.
  • a steam iron comprising a housing enclosing a tank surmounting a heating body and a safety device protecting the tank against overpressure, the heating body comprising a vaporization chamber supplied with liquid from the reservoir by a supply circuit, characterized in that the supply circuit comprises an element extending inside the reservoir and having an opening closed by a valve, the valve releasing a passage through the opening when the pressure inside the reservoir reaches a predetermined value.
  • Such a characteristic makes it possible, by a simple and inexpensive means, to diffuse the steam from the tank under overpressure towards the vaporization chamber so that the vapor escapes progressively through the steam outlet holes of the sole, without risk. projection of droplets of boiling water, the latter being vaporized in the vaporization chamber.
  • the supply circuit connects a pump, or a plug drop, to the vaporization chamber.
  • the supply circuit connects a manual pump to the vaporization chamber, the pump being equipped with a non-return valve, the opening being disposed downstream of the non-return valve.
  • the element comprising the opening closed by the valve is a connecting sleeve of the output of the pump.
  • the valve is formed by a wall capable of elastically deforming when the pressure inside the reservoir reaches the predetermined value.
  • the wall is carried by a rubber body.
  • the rubber body is a seal.
  • FIG. 1 is a side view, partly in section, of a steam iron according to a particular embodiment of the invention
  • - Figure 2 is a perspective view, partially broken away, of the iron of Figure 1;
  • FIG. 3 is a perspective view of the manual pump of the iron of FIG. 1;
  • FIG. 4 is a partially exploded perspective view of the pump of FIG.
  • - Figure 5 is an enlarged detail view of the outlet zone of the pump shown in Figure 2, the pressure in the tank being less than the opening threshold of the valve;
  • - Figure 6 is a detailed view, in section, of the outlet zone of the pump when the pressure in the tank exceeds the opening threshold of the valve.
  • FIGS 1 and 2 show a steam iron comprising a housing 1 provided with a handle 1A, the housing 1 surmounting a sole 2 in thermal conduction with a heating body 3 whose temperature is regulated by a thermostat 4.
  • the casing 1 typically encloses a reservoir 5 serving to supply a first vaporization chamber 6 through a drip-shaped plug, not shown in the figures, the vapor thus produced escaping through orifices. 2A output of the sole.
  • the tank 5 is provided with a filling orifice which is masked by a hatch 7 disposed on the front face of the iron ensuring a tight closure of the filling orifice, the hatch 7 being able to swing about an axis 7A towards a position open, shown in dashed lines in FIG. 1, to allow the tank 5 to be filled.
  • the iron comprises, in a manner known per se, a first manual pump 8, masked in FIGS. 1 and 2, for sending water from the tank 5 towards a spray nozzle 8A disposed on the front face of the iron, this pump 8 being actuated by the user by means of a button, not visible in the figures, arranged in front of the handle 1 A.
  • the iron also comprises a second manual pump 9 supplied with water from the reservoir 5 and operable by the user by means of a button 9A, each pulse on the button 9A for sending a predetermined volume of water into a second chamber of vaporization 11 allowing the production of a surplus of steam during ironing.
  • these two manual pumps 8, 9 are carried by the same body 10 disposed in the chamber of the tank 5, this body 10 comprising two cylinders in parallel in which a piston integral with a rod of actuating 80, 90, each rod being returned to the upper position by a spring 81, 91.
  • These two pumps 8, 9 respectively comprise an inlet duct 82, 92 whose end is conventionally equipped with a ball valve allowing the introduction of water into the body 10 during the rise of the piston and prohibiting the passage of the water through the inlet duct 82, 92 during the descent of the piston.
  • the inlet duct 92 of the second pump 9 is advantageously connected to a tube, not shown in the figures, opening at the rear of the tank 5 so that the pump 9 remains supplied with water when the iron is arranged vertically, for example. example to smooth the curtains.
  • the first pump 8 comprises an outlet conduit 83 opening laterally to the body 10 and the second pump 9 has an outlet orifice 9B provided with a connection sleeve 93 opening vertically at the base of the body 10.
  • the connecting sleeve 93 receives a seal 94, advantageously made of silicone or neoprene material, providing a tight connection with a feed tube 95 opening above the second vaporization chamber 11, at a second level. seal 96, visible in Figures 1 and 2.
  • the outlet 9B is provided with a ball valve comprising a ball 97 brought against the outlet orifice 9B by a spring 98 extending between the ball 97 and the seal sealing 94.
  • the supply circuit of the second vaporization chamber 11 comprises a safety device protecting the reservoir against the deletions that could occur if the temperature rose significantly in the tank 5 while the bushel drip was closed as well as the hatch 7 of the tank.
  • This safety device is constituted by an opening 12 closed by a valve capable of releasing a passage through said opening 12 when the pressure inside the reservoir 5 reaches a predetermined value.
  • the opening 12 is carried by the connection sleeve 93 of the second pump 9 and the valve is advantageously constituted by a wall 94A forming an integral part of the sealing gasket 94.
  • the wall 94A extends at the upper end of the seal 94, to come in front of the opening 12, and inside the connection sleeve 93 by marrying the cylindrical shape of the inner bore of the latter.
  • the opening 12 of the connection sleeve 93 has the shape of a square of 2 mm side and the wall 94A has the shape of a tongue with a thickness of the order of 0.4 mm, a height of about 3 mm and a width of about 3 mm gradually decreasing from the base of the tongue to its free end.
  • Such a wall has the advantage of ensuring a tight closure of the opening 12 when using the second pump 9 for the production of steam, the vapor pressure generated in the second vaporization chamber 11 tending to maintain the wall 94A applied against the edges of the opening 12 thus ensuring a perfect seal to the vapor, as illustrated in FIG.
  • the pressure applied on the wall 94A is such that the latter is deformed towards the inside of the connecting sleeve 93 thus allowing the air and the possible droplets of water to escape towards the second vaporization chamber 11, as well as this is illustrated by the arrows in FIG. 6.
  • the possible droplets of water transported by the steam are then totally vaporized in the vaporization chamber 11, and the vapor progressively escapes through the exit holes 2A of the soleplate, without surprising the user.
  • the opening may be made on the conduit connecting the connection sleeve of the pump to the second vaporization chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Devices For Medical Bathing And Washing (AREA)
EP08719274A 2007-03-14 2008-02-28 Dampfbügeleisen mit tank mit überdrucksicherheitsvorrichtung Not-in-force EP2126189B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08719274T PL2126189T3 (pl) 2007-03-14 2008-02-28 Żelazko parowe zawierające zbiornik wyposażony w urządzenie zabezpieczające przed nadciśnieniem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0701838A FR2913696B1 (fr) 2007-03-14 2007-03-14 Fer a repasser a vapeur comprenant un reservoir muni d'un dispositif de securite contre les surpressions
PCT/IB2008/000566 WO2008110897A1 (fr) 2007-03-14 2008-02-28 Fer a repasser a vapeur comprenant un reservoir muni d'un dispositif de securite contre les surpressions

Publications (2)

Publication Number Publication Date
EP2126189A1 true EP2126189A1 (de) 2009-12-02
EP2126189B1 EP2126189B1 (de) 2010-08-04

Family

ID=38658522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08719274A Not-in-force EP2126189B1 (de) 2007-03-14 2008-02-28 Dampfbügeleisen mit tank mit überdrucksicherheitsvorrichtung

Country Status (9)

Country Link
US (1) US8181368B2 (de)
EP (1) EP2126189B1 (de)
CN (1) CN101631909B (de)
AT (1) ATE476543T1 (de)
DE (1) DE602008002064D1 (de)
ES (1) ES2350157T3 (de)
FR (1) FR2913696B1 (de)
PL (1) PL2126189T3 (de)
WO (1) WO2008110897A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2947892B1 (fr) * 2009-07-10 2012-08-10 Seb Sa Appareil electromenager comportant un generateur de vapeur
EP2640887A1 (de) * 2010-11-19 2013-09-25 BSH Bosch und Siemens Hausgeräte GmbH Dampfbügeleisen
ES2397615B1 (es) * 2011-08-29 2014-05-20 BSH Electrodomésticos España S.A. Plancha a vapor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2188010A (en) * 1937-05-14 1940-01-23 Roland M Klemme Steam-discharging pressing iron
US2240612A (en) * 1939-12-29 1941-05-06 Ernest F Pohl Steaming iron
GB597209A (en) * 1942-06-09 1948-01-21 British Thomson Houston Co Ltd Improvements in and relating to electric pressing irons
US2475572A (en) * 1948-01-27 1949-07-05 Edward P Schreyer Electric steam iron
US2762143A (en) * 1948-03-31 1956-09-11 Gen Electric Steam iron
US2618875A (en) * 1948-05-27 1952-11-25 Sunbeam Corp Steam iron
US2682719A (en) * 1951-04-23 1954-07-06 Casco Products Corp Electric steam iron
IT8323096V0 (it) * 1983-09-28 1983-09-28 Costa Lorenzo & C Olimpic Ferro da stiro a vapore ad accumulo.
IT8420831V0 (it) * 1984-02-10 1984-02-10 Cavalli Alfredo Ferro da stiro a vapore con dispositivo di sicurezza per le sovrappressioni.
DE3715059C1 (de) * 1987-05-06 1988-08-18 Rowenta Werke Gmbh Dampfbuegeleisen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008110897A1 *

Also Published As

Publication number Publication date
US20100107458A1 (en) 2010-05-06
EP2126189B1 (de) 2010-08-04
WO2008110897A1 (fr) 2008-09-18
ES2350157T3 (es) 2011-01-19
CN101631909B (zh) 2011-05-25
ATE476543T1 (de) 2010-08-15
FR2913696A1 (fr) 2008-09-19
FR2913696B1 (fr) 2009-04-17
DE602008002064D1 (de) 2010-09-16
US8181368B2 (en) 2012-05-22
PL2126189T3 (pl) 2010-12-31
CN101631909A (zh) 2010-01-20

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