EP0694646A1 - Dampfbügeleisen - Google Patents

Dampfbügeleisen Download PDF

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Publication number
EP0694646A1
EP0694646A1 EP95401636A EP95401636A EP0694646A1 EP 0694646 A1 EP0694646 A1 EP 0694646A1 EP 95401636 A EP95401636 A EP 95401636A EP 95401636 A EP95401636 A EP 95401636A EP 0694646 A1 EP0694646 A1 EP 0694646A1
Authority
EP
European Patent Office
Prior art keywords
pump
piston
membrane
buttons
valves
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
EP95401636A
Other languages
English (en)
French (fr)
Other versions
EP0694646B1 (de
Inventor
Jacky René Paul Fourny
Gérard Louis Henri Guillot
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.)
Moulinex SA
Original Assignee
Moulinex SA
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 Moulinex SA filed Critical Moulinex SA
Publication of EP0694646A1 publication Critical patent/EP0694646A1/de
Application granted granted Critical
Publication of EP0694646B1 publication Critical patent/EP0694646B1/de
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
    • D06F75/22—Hand irons internally heated by electricity with means for supplying liquid to the article being ironed

Definitions

  • the present invention relates to steam irons which include a heating soleplate having in its lower face a series of steam outlet holes and in its upper face a vaporization chamber in relation to said holes and communicating with a reservoir. water.
  • steam irons which also include a pump capable of taking a dose of water from the tank and of sending this dose, via a selection device, either into the chamber. vaporization in order to suddenly obtain an abundant emission of vapor through the holes in the soleplate, either to a cold water sprayer located in the front part of the iron, this pump being of the piston type moving in a chamber suction which is provided in the pump body and which opens into the tank via a non-return valve.
  • a rotating joint is always subject over time to wear by friction on the bottom of the bowl which inevitably leads to the appearance of water leaks, detrimental to the proper functioning of the iron.
  • the production and mounting of this rotary type selector member are relatively complex and therefore particularly expensive for mass production of irons.
  • the object of the invention is to remedy these drawbacks and to produce a steam iron equipped with a selection device - super-steamer or spray - which is simple, economical and of high reliability.
  • the selection device comprises a deformable membrane having a substantially flat lower part provided with two protrusions each acting as a valve and being held in place in a sealed manner in a cup which is formed in the upper part of the piston of the pump and the bottom of which, on the one hand, communicates with the suction chamber by a discharge bore made in said piston, and on the other hand, has two orifices, namely an injection orifice connected to the vaporization chamber and a spray orifice connected to the sprayer, the two diaphragm valves being located respectively at the level of the two orifices and their operation being subject respectively to two manual control buttons, called spraying and spraying buttons respectively, which protrude from the upper part of the iron and whose the spray button is in relation to the valve associated with the spray orifice, while the spray button is in relation to the valve associated with the injection orifice, the membrane passing from a rest position, defined when the pump is primed, in which the two valves are closed and respectively seal the two orifices, namely
  • this deformable membrane with double valve constitutes a simple and unalterable member ensuring, according to the choice of the user, the selection between the supervisor and spraying functions, and this especially as the double valve diaphragm is integrated in the pump.
  • the steam iron 10 shown diagrammatically in FIG. 1 comprises a heating sole 11 having, on its lower face, a series of steam outlet holes 12 and, on its upper face, a vaporization chamber 14 in relation to the holes 12 and communicating with a water tank 17.
  • This iron further comprises a pump, designated by the general reference 20, the body 21 of which has a vertical axis of symmetry XX '(FIGS. 2, 3 and 4) and which is capable of taking a dose of water from the tank 17 and to send this dose, via a selection device 24 which will be described later, either to the vaporization chamber 14 in order to suddenly obtain an abundant emission of vapor through the holes 12 in the soleplate 11, or towards a cold water sprayer 25, of known structure, located in the anterior region of the iron.
  • a pump designated by the general reference 20, the body 21 of which has a vertical axis of symmetry XX '(FIGS. 2, 3 and 4) and which is capable of taking a dose of water from the tank 17 and to send this dose, via a selection device 24 which will be described later, either to the vaporization chamber 14 in order to suddenly obtain an abundant emission of vapor through the holes 12 in the soleplate 11, or towards a cold water sprayer 25, of known structure, located in the anterior region of the iron.
  • the pump 20 is of the piston type 27 moving in leaktight manner, under the action of a spring 29 disposed axially, in a cylindrical suction chamber 31 formed axially in the body 21 of the pump and opening at 33 into the reservoir 17 (FIG. 1) via a non-return valve presently constituted by a ball 35 cooperating with a conical seat 36.
  • the piston 27 of the pump 20 is extended at its upper part by a cylindrical cup 39, the bottom 40 of which communicates with the suction chamber 31 by a cylindrical discharge bore 42 made axially in the piston 27, and has two orifices formed symmetrically relative to the axis XX ′ of the body 21 of the pump, namely an injection orifice 44 connected to the vaporization chamber 14 of the iron (FIG. 1) and a spray orifice 45 connected to the sprayer 25.
  • the two orifices 44 and 45 open respectively into two opposite conduits 47 and 48 orthogonal to the axis XX 'of the body 21 of the pump and forming an integral part of the piston 27 of the pump ;
  • the conduit 47, into which the injection orifice opens 44 is connected to the vaporization chamber 14 by a flexible injection tube 51
  • the conduit 48, into which the spraying orifice opens 45 is connected to the sprayer 25 by another flexible injection tube 53.
  • the selection device 24 illustrated in FIGS. 2 to 4 and intended to authorize the choice between the abrupt emission of vapor or "super-steamer” and the spraying comprises a flexible deformable membrane 56, held in place in the cup 39 the piston 27 of the pump and having a substantially flat lower part 56a provided with two protrusions 58 and 59 each acting as a valve being situated respectively at the level of the two orifices 44 and 45; the two valves 59 and 58 of the membrane 56 have an operation subject respectively to two manual control buttons, called spraying buttons respectively 62 and spray 63, which protrude one behind the other from the upper part of the iron (FIG.
  • the membrane 56 has a substantially U-shaped cross section whose bottom 56a carries the two valves 58 and 59, and whose peripheral end edge 66 is held in abutment against the internal surface of the cup 39 at by means of a part 68 forming a closure plug for the cup.
  • the two buttons, respectively spraying 62 and spraying 63 are push buttons, optionally each equipped with a return spring, and provided with actuating rods 62a, 63a which are engaged respectively in two bores 71 and 72 made vertically in the closure plug 68, directly above the two valves 59, 58 of the membrane 56.
  • buttons 62, 63 could be replaced by any other equivalent means, such as , for example, by two rocker buttons and could also be arranged laterally next to each other relative to the upper part of the iron, without departing from the spirit of the invention.
  • the assembly formed by the membrane 56 and the two valves 58, 59 is made of an elastomeric material, such as for example a silicone, and constitutes in itself a seal between the piston 27 of the pump and the blanking plug 68.
  • the piston 27, the membrane 56 with two valves, the closure plug 68 and the two control buttons 62, 63 constitute a unitary assembly, thus significantly facilitating the mounting of the pump to the inside the iron.
  • the user presses one or the other of the spray 62 and spray 63 buttons so as to lower the piston 27 into the chamber 31, then by releasing this button, the piston 27 rises under the effect of the spring 29.
  • a vacuum is then created in the pump, which has the effect of causing the two valves 58 and 59 to be pressed against the bottom of the cup 39, thus closing the two orifices 44 and 45, and the valve 35 opens and the water is drawn into the chamber 31 through the inlet 33.
  • the pump 20 is thus primed, as illustrated in FIG. figure 2.
  • section of the bore 42 is larger than the section of the two orifices, injection 44 and spray 45 respectively, and the outlet 33 so as to prevent with certainty any backflow of water by the spray orifice due to the pressure generated by the sudden evaporation of water in the vaporization chamber when the iron is used in its super-steam function.
  • non-return valve 75 in FIG. 1, between the outlet of the pump 20, on the side of the orifice d injection 44, and the inlet of the vaporization chamber 14.
  • This non-return valve 75 is constituted, for example, by a perforated membrane displaceable under the action of the pressure prevailing in the vaporization chamber 14 and suitable for coming close the outlet of the injection pipe 51.
  • this non-return valve 75 could be constituted by any other equivalent means, such as, for example, by a simple ball or by a flange formed in the plug. obturation 68, perpendicular to the valve 58 associated with the injection orifice 44, without departing from the scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
EP95401636A 1994-07-18 1995-07-07 Dampfbügeleisen Expired - Lifetime EP0694646B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9408865A FR2722518B1 (fr) 1994-07-18 1994-07-18 Fer a repasser a vapeur
FR9408865 1994-07-18

Publications (2)

Publication Number Publication Date
EP0694646A1 true EP0694646A1 (de) 1996-01-31
EP0694646B1 EP0694646B1 (de) 2000-05-24

Family

ID=9465484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95401636A Expired - Lifetime EP0694646B1 (de) 1994-07-18 1995-07-07 Dampfbügeleisen

Country Status (4)

Country Link
US (1) US5526594A (de)
EP (1) EP0694646B1 (de)
DE (1) DE69517101T2 (de)
FR (1) FR2722518B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19616762A1 (de) * 1995-06-14 1996-12-19 Rowenta Werke Gmbh Dampfbügeleisen
FR2735502A1 (fr) * 1995-06-14 1996-12-20 Rowenta Werke Gmbh Fer a repasser a vapeur
DE19645108C1 (de) * 1996-11-01 1998-05-20 Braun Ag Dampfbügeleisen mit einer Pumpeinrichtung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771110B1 (fr) * 1997-11-19 1999-12-24 Seb Sa Appareil et procede de repassage avec generation de vapeur
DE19829675A1 (de) 1998-07-03 2000-01-13 Braun Gmbh Fluidfördereinrichtung für ein Bügeleisen
ES2198832T3 (es) * 1998-11-04 2004-02-01 Esse 85 S.R.L. Plancha a vapor del tipo profesional.
CN201155056Y (zh) * 2007-12-04 2008-11-26 台湾蜜得兰有限公司 蒸气式电熨斗
ES2360994B1 (es) * 2008-08-22 2012-04-19 Bsh Electrodomésticos España, S.A. Plancha a vapor.
GB0901855D0 (en) 2009-02-05 2009-03-11 Strix Ltd Electric steam generation
AU2010201411B2 (en) * 2009-04-15 2015-10-08 Newell Australia Pty Ltd Steam iron

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2230786A1 (de) * 1973-05-25 1974-12-20 Scm Corp
FR2242506A1 (de) * 1973-09-03 1975-03-28 Rowenta Werke Gmbh
EP0080634A1 (de) * 1981-11-17 1983-06-08 Moulinex S.A. Dampfbügeleisen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170835A (en) * 1978-10-27 1979-10-16 General Electric Company Iron with mode valve
US5136796A (en) * 1991-01-28 1992-08-11 Black & Decker Inc. Steam iron spray or surge pump selector valve having an angled valve surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2230786A1 (de) * 1973-05-25 1974-12-20 Scm Corp
FR2242506A1 (de) * 1973-09-03 1975-03-28 Rowenta Werke Gmbh
EP0080634A1 (de) * 1981-11-17 1983-06-08 Moulinex S.A. Dampfbügeleisen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19616762A1 (de) * 1995-06-14 1996-12-19 Rowenta Werke Gmbh Dampfbügeleisen
FR2735502A1 (fr) * 1995-06-14 1996-12-20 Rowenta Werke Gmbh Fer a repasser a vapeur
DE19645108C1 (de) * 1996-11-01 1998-05-20 Braun Ag Dampfbügeleisen mit einer Pumpeinrichtung

Also Published As

Publication number Publication date
FR2722518A1 (fr) 1996-01-19
DE69517101T2 (de) 2001-02-01
EP0694646B1 (de) 2000-05-24
US5526594A (en) 1996-06-18
FR2722518B1 (fr) 1997-06-13
DE69517101D1 (de) 2000-06-29

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