EP0849521A1 - Vorrichtung zur Kontrolle der Dampfströming in elektrischen Dampf gebrauchenden Haushaltgeräten - Google Patents

Vorrichtung zur Kontrolle der Dampfströming in elektrischen Dampf gebrauchenden Haushaltgeräten Download PDF

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Publication number
EP0849521A1
EP0849521A1 EP96830630A EP96830630A EP0849521A1 EP 0849521 A1 EP0849521 A1 EP 0849521A1 EP 96830630 A EP96830630 A EP 96830630A EP 96830630 A EP96830630 A EP 96830630A EP 0849521 A1 EP0849521 A1 EP 0849521A1
Authority
EP
European Patent Office
Prior art keywords
tube
steam
supporting structure
tongue
plunger
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
EP96830630A
Other languages
English (en)
French (fr)
Other versions
EP0849521B2 (de
EP0849521B1 (de
Inventor
Piero Tessarolo
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.)
Simac Vetrella SpA
Original Assignee
MICROMAX - SIMAC Srl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8226078&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0849521(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MICROMAX - SIMAC Srl filed Critical MICROMAX - SIMAC Srl
Priority to DE1996614554 priority Critical patent/DE69614554T3/de
Priority to EP19960830630 priority patent/EP0849521B2/de
Priority to ES96830630T priority patent/ES2162649T5/es
Publication of EP0849521A1 publication Critical patent/EP0849521A1/de
Application granted granted Critical
Publication of EP0849521B1 publication Critical patent/EP0849521B1/de
Priority to GR20010401522T priority patent/GR3036662T3/el
Publication of EP0849521B2 publication Critical patent/EP0849521B2/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
    • D06F75/10—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 subject of the present invention is a device for controlling the flow of steam in domestic electrical appliances that use steam, such as steam irons, steam cleaning machines, coffee machines with separate steam dispensing outlet, and so on.
  • steam flow is controlled in such domestic electrical appliances by means of an externally operated valve fitted to the tube connecting the steam generator to the part that uses the steam.
  • this valve is a needle valve in which the needle moves towards or away from a steam passage hole to vary its section and thus regulate the flow.
  • the tube has to be cut and the valve connected up leaktightly to both ends of the tube.
  • the leaktight connections may deteriorate and result in dangerous leakage of steam.
  • the object of the present invention is to overcome these drawbacks.
  • a device for controlling the flow of steam in domestic electrical appliances comprising a steam generator, means for using the steam, and a tube for conveying the steam from the steam generator to the steam using means, the device being characterized in that it comprises tube constricting means connected to an external control for operating the constricting means.
  • the device of Fig. 1, indicated by the general reference 10, comprises a boxlike supporting structure 11, housed inside which is part of a tube T connecting a steam generator to a component that uses the steam in a domestic electrical appliance.
  • the tube T is made of elastically deformable material and is contained between side walls 12 internal to the supporting structure 11 rising from a bottom wall 11A of the structure 11 and defining an S path for the length of tube within the supporting structure 11.
  • the supporting structure includes suitable openings 11C (only one of which is shown, in dashes) through which the tube enters and exits from this structure with interference.
  • the control device 10 works as follows, with reference to Figs. 2,3,4 and 5.
  • the device Because control is achieved simply by constricting the tube T, the device includes no parts in contact with the steam so that the failures associated with known valves are avoided.
  • the control device illustrated in Figs. 6 and 7, bearing the general reference 30, has the same boxlike supporting structure 11 seen in the previous device 10.
  • the ridge 15 of the tongue 13 is depressed not by the slider 16 but by a screw 31 that screws into a hole 32 formed in the supporting structure 11.
  • the head 33 of the screw 31 is on the outside of the structure 11, over the wall 11B, and is in the form of a knob. Turning this head 33 in one direction causes the end of the screw 31 progressively to bend the tongue 13, which in turn progressively constricts the tube T as shown in Fig. 7, and, of course, by turning the head 33 in the opposite direction the tube T returns progressively to its normal configuration.
  • Figs. 8,9,10 and 11 show a third version, in which control is once again by means of a rotary movement.
  • the control device illustrated bearing the general reference 40, comprises a cylindrical housing 41 with a rhomboidal base 42 having two opposing holes 43 (only one of which is illustrated).
  • the housing 41 has an inclined base 44 and two U-shaped cutouts 45 on opposite sides and of different depths formed in the cylindrical wall of the housing.
  • a second cylindrical housing 46 having two opposing hollow columns 47 on its outside lined up with the holes 43 formed in the base 42 of the housing 41; two screws (not shown) pass through these columns 47 and holes 43 to fasten the two housings 41 and 46 together inside an apparatus that houses the device 40; the housings 41 and 46 thus form a supporting structure.
  • the housing 46 contains two inverted U-shaped cutouts 48 of different depths superimposed on the cutouts 45 formed in the housing 41 to provide two openings on opposite sides; in particular the deeper cutout 48 is superimposed on the shallower cutout 45, while on the other hand the shallower cutout 48 is superimposed on the deeper cutout 45, so that the openings are at different heights.
  • an actuating cylinder 49 and, coupled to it, a plunger 50 housed in the seat formed inside the housings 41 and 46.
  • the cylinder 49 is provided with two opposing slots 51 extending along a portion of helix, in which two corresponding opposing radial pins 52 on the plunger 50 can slide.
  • the cylinder 49 is rigidly connected to an external control knob 53 through a pin 54 of asymmetric section, integral with the cylinder, which passes through a hole 55 in the housing 46 and passes into a corresponding seat 56 in the knob.
  • the plunger 50 is arcuate on its underside, its convexity being outwards.
  • the tube T passes with interference through the abovementioned openings staggered at different heights, formed by the superimposition of the cutouts 45 and 48, and rests on the inclined bottom 44 leading from one opening to the other.
  • the plunger 50 is positioned with its arcuate end against the tube T.
  • Rotating the knob 53 in one direction rotates the cylinder 49 in the same direction and the slots 51 slide past the pins 52 in such a way that the plunger 50 is moved axially downwards, so that the rotary motion is converted into a translational motion.
  • the plunger 50 progressively constricts the tube T, as shown in Fig. 11, so that the flow of steam through the tube is regulated.
  • the knob 53 by turning the knob 53 in the opposite direction, the plunger 50 is moved axially upwards and the tube T returns progressively to its normal configuration.
  • This last version also has the advantage that by an appropriate inclination of the slots of the cylinder, small rotations of the knob result in a relatively large stroke of the plunger, making it unnecessary to rotate the knob excessively to pass from one to the other of the two extreme control positions.
  • the ends of the slots define these extreme control positions.
  • Fig. 12 shows the application of the control device 10 to a steam iron with a separate boiler.
  • the boiler is shown at A and the iron at B.
  • the control device 10 is incorporated in the boiler A and all that can be seen of it is the control part 19.
  • the tube T connects the boiler A to the iron B so that the steam is carried, as is known, from the boiler to the perforated plate of the iron B, from which the steam escapes during ironing. It is this flow of steam that can be controlled by means of the control part 19, through the process of constricting the tube T as has already been seen.
  • control devices described above can however be incorporated in any domestic electrical steam appliance in which control of the flow of steam along the tube is required.
  • any form of tube constricting means connected to any external control that operates the constricting means can be used.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
  • Lift Valve (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
EP19960830630 1996-12-18 1996-12-18 Vorrichtung zur Kontrolle der Dampfströmung in elektrischen Dampf gebrauchenden Haushaltgeräten Expired - Lifetime EP0849521B2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1996614554 DE69614554T3 (de) 1996-12-18 1996-12-18 Vorrichtung zur Kontrolle der Dampfströmung in dampfgebrauchenden elektrischen Haushaltsgeräten
EP19960830630 EP0849521B2 (de) 1996-12-18 1996-12-18 Vorrichtung zur Kontrolle der Dampfströmung in elektrischen Dampf gebrauchenden Haushaltgeräten
ES96830630T ES2162649T5 (es) 1996-12-18 1996-12-18 Dispositivo para controlar la circulacion de vapor en aparatos electricos domesticos que utilizan vapor.
GR20010401522T GR3036662T3 (en) 1996-12-18 2001-09-18 Device for controlling the flow of steam in domestic steam using electrical appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19960830630 EP0849521B2 (de) 1996-12-18 1996-12-18 Vorrichtung zur Kontrolle der Dampfströmung in elektrischen Dampf gebrauchenden Haushaltgeräten

Publications (3)

Publication Number Publication Date
EP0849521A1 true EP0849521A1 (de) 1998-06-24
EP0849521B1 EP0849521B1 (de) 2001-08-16
EP0849521B2 EP0849521B2 (de) 2005-10-26

Family

ID=8226078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960830630 Expired - Lifetime EP0849521B2 (de) 1996-12-18 1996-12-18 Vorrichtung zur Kontrolle der Dampfströmung in elektrischen Dampf gebrauchenden Haushaltgeräten

Country Status (4)

Country Link
EP (1) EP0849521B2 (de)
DE (1) DE69614554T3 (de)
ES (1) ES2162649T5 (de)
GR (1) GR3036662T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1300659A1 (de) * 2001-10-02 2003-04-09 De'Longhi S.p.A. Gerät zur Feststellung der Restflüssigkeitsmenge in einem Haushaltsdampferzeuger
EP1741823A1 (de) * 2005-07-05 2007-01-10 De'Longhi SpA Vorrichtung zur Steuerung des Dampf-Durchflusses eines elektrischen Haushaltsgeräts
WO2008135827A2 (fr) * 2007-05-07 2008-11-13 Rowenta Werke Gmbh Appareil pour le traitement du linge comprenant un dispositif pour contrôler le débit d' eau

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR947662A (fr) * 1947-05-21 1949-07-08 Perfectionnements aux fers à repasser
FR1343057A (fr) * 1962-10-26 1965-11-26 Perfectionnement aux fers à vapeur à réservoir séparé
FR2512473A1 (fr) * 1981-09-09 1983-03-11 Maksa Christian Dispositif de repassage a vapeur sous pression
EP0485827A1 (de) * 1990-11-16 1992-05-20 Radwulf S.A. Elektrisches Haushaltsgerät
JPH05192498A (ja) * 1992-01-22 1993-08-03 Matsushita Electric Ind Co Ltd アイロン装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR947662A (fr) * 1947-05-21 1949-07-08 Perfectionnements aux fers à repasser
FR1343057A (fr) * 1962-10-26 1965-11-26 Perfectionnement aux fers à vapeur à réservoir séparé
FR2512473A1 (fr) * 1981-09-09 1983-03-11 Maksa Christian Dispositif de repassage a vapeur sous pression
EP0485827A1 (de) * 1990-11-16 1992-05-20 Radwulf S.A. Elektrisches Haushaltsgerät
JPH05192498A (ja) * 1992-01-22 1993-08-03 Matsushita Electric Ind Co Ltd アイロン装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 622 (C - 1130) 17 November 1993 (1993-11-17) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1300659A1 (de) * 2001-10-02 2003-04-09 De'Longhi S.p.A. Gerät zur Feststellung der Restflüssigkeitsmenge in einem Haushaltsdampferzeuger
EP1741823A1 (de) * 2005-07-05 2007-01-10 De'Longhi SpA Vorrichtung zur Steuerung des Dampf-Durchflusses eines elektrischen Haushaltsgeräts
WO2008135827A2 (fr) * 2007-05-07 2008-11-13 Rowenta Werke Gmbh Appareil pour le traitement du linge comprenant un dispositif pour contrôler le débit d' eau
FR2916004A1 (fr) * 2007-05-07 2008-11-14 Rowenta Werke Gmbh Appareil pour le traitement du linge comprenant un dispositif pour controler le debit d'eau envoye vers un generateur de vapeur
WO2008135827A3 (fr) * 2007-05-07 2009-01-22 Rowenta Werke Gmbh Appareil pour le traitement du linge comprenant un dispositif pour contrôler le débit d' eau
US20100299974A1 (en) * 2007-05-07 2010-12-02 Rowenta Werke Gmbh Linen processing apparatus including a device for controlling the water flow supplied to a steam generator
US8250788B2 (en) * 2007-05-07 2012-08-28 Rowenta Werke Gmbh Linen processing apparatus including a device for controlling the water flow supplied to a steam generator

Also Published As

Publication number Publication date
ES2162649T3 (es) 2002-01-01
DE69614554T3 (de) 2006-07-20
DE69614554T2 (de) 2002-06-06
GR3036662T3 (en) 2001-12-31
ES2162649T5 (es) 2006-06-01
EP0849521B2 (de) 2005-10-26
DE69614554D1 (de) 2001-09-20
EP0849521B1 (de) 2001-08-16

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