EP2014818B1 - Überlaufschutzvorrichtung für haushaltsgeräte, besonders für waschgeräte - Google Patents

Überlaufschutzvorrichtung für haushaltsgeräte, besonders für waschgeräte Download PDF

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Publication number
EP2014818B1
EP2014818B1 EP08165774.4A EP08165774A EP2014818B1 EP 2014818 B1 EP2014818 B1 EP 2014818B1 EP 08165774 A EP08165774 A EP 08165774A EP 2014818 B1 EP2014818 B1 EP 2014818B1
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EP
European Patent Office
Prior art keywords
flexible pipe
end portion
tubular element
pipe
safety device
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EP08165774.4A
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English (en)
French (fr)
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EP2014818A3 (de
EP2014818A2 (de
Inventor
Luciano Bianchi
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Eltek SpA
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Eltek SpA
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Application filed by Eltek SpA filed Critical Eltek SpA
Priority to PL08165774T priority Critical patent/PL2014818T3/pl
Priority to PL10181887T priority patent/PL2314752T3/pl
Priority to EP10181887.0A priority patent/EP2314752B1/de
Publication of EP2014818A2 publication Critical patent/EP2014818A2/de
Publication of EP2014818A3 publication Critical patent/EP2014818A3/de
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    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/421—Safety arrangements for preventing water damage

Definitions

  • the present invention relates to an anti-flooding safety device for electrical household appliances, in particular for washing appliances.
  • the invention has been developed with particular reference to devices of the type referred to above designed to be operatively set between a source of supply of a liquid and an electrical household appliance.
  • anti-flooding devices which are able to provide a practically continuous control of the presence of possible leaks.
  • Said devices generally envisage at least one valve, operative upstream of a water-intake pipe, and sensor means, arranged in a water-collecting tray, positioned in the electrical household appliance.
  • the leakage water reaches said collecting tray, with the consequent intervention of the sensor means, provided for controlling closing of the aforesaid valve.
  • valves used for the purpose are typically actuated in an electrical, mechanical, or pneumatic way;
  • the sensor means are typically of an electromechanical type (for example, based upon the use of a float and a microswitch) or else basically of a mechanical type (for example, based upon the use of an anhydrous sponge, designed to expand when it comes into contact with a liquid).
  • Some safety devices are equipped also with an external pipe, which surrounds the water-intake pipe. In the case of failure of the latter, the external pipe enables confluence in the aforesaid collecting tray of the leakage liquid so as to cause closing of the safety valve (see, for example, FR-A-2 742 514 ).
  • the gap defined between the two pipes is designed to withhold the leakage water directly, instead of conveying it into a collecting tray.
  • the presence of water inside the gap causes an increase of volume of an anhydrous sponge, which controls accordingly closing of the valve of the device (see, for example, IT-B-1 207 365 ).
  • Other two-pipe devices are instead simply prearranged for withholding the water and visually signalling the presence thereof within the gap in order to inform the user regarding the need for an intervention of assistance (see, for example, DE-A-10 12 6104 ).
  • the water-intake pipe i.e., the internal pipe
  • the internal pipe is typically a pipe with smooth surfaces, made of polyvinyl chloride (PVC), with other possible materials or reinforcement fibres.
  • the external pipe is typically a corrugated pipe, usually made of polypropylene (PP).
  • PP polypropylene
  • a kink or local squeezing can determine excessive pressures in the water-intake pipe, that cannot be directly detected by the user and are potentially harmful both for the integrity of the device and for proper operation of the electrical household appliance.
  • Traditional pipes made of PVC are moreover relatively costly and heavy.
  • the main purpose of the present invention is to overcome the aforesaid drawbacks. This and other purposes still are achieved, according to the present invention, by an anti-flooding safety device and by a corresponding preferred method of production presenting the characteristics of the annexed claims, which form an integral part of the descriptive content of the present patent application.
  • FIG. 1 Designated as a whole by 1 in Figure 1 is an anti-flooding safety device for electrical household appliances according to the invention.
  • the device 1 which is in particular indicated for use in combination with washing appliances, such as dish-washers, comprises a connector body 2, a water-intake pipe 20, or internal pipe, and an external pipe 30.
  • the connector body or valve body, is preferably made of plastic or thermoplastic material and defines within it a conduit 3 for passage of water.
  • the body 2 is configured so that the conduit 3 has an inlet 3a and an outlet 3b, between which there extends a part of conduit in which means for shutting-off the water are operative.
  • said means comprise a solenoid valve 4.
  • the solenoid valve 4 is of a type and presents a form of operation in themselves known (see, for example, FR-A-2 742 514 ).
  • the solenoid valve 4 has an electromagnet 5 equipped with supply terminals, one of which is designated by 6.
  • the solenoid valve 4 comprises then an open/close element 7, actuated by means of an armature or movable core 8, which is housed in a respective body 9.
  • the latter has a threaded part, screwed in an open seat equipped with internal screw, which is made in the body 2 and opens onto the conduit 3.
  • the electromagnet 5, which is preferably enclosed in a protective coating 10 obtained by overmoulding of thermoplastic material, is mounted on the body 9.
  • the open/close element 7 - through the movable core 8 - is held by a spring in a resting position, which does not allow passage of water from the inlet 3a to the outlet 3b.
  • the core 8 is induced to displace to overcome the force of contrast of the aforesaid spring: in this case, the open/close element 7 is designed to assume a position of opening, which enables passage of the flow of water through the conduit 3.
  • an external ring nut 11 is mounted for coupling of the device 1 to a source of supply of the water, such as a tap (not represented).
  • a source of supply of the water such as a tap (not represented).
  • a filter 12 mounted in the upper part of the conduit 3, upstream of the solenoid valve 4 are a filter 12 and a flow regulator 13.
  • the lower area of the valve body 2 has a substantially cylindrical coupling part 2a, defined in which is the outlet 3b. Defined on the outer surface of said part 2a are teeth or annular retention reliefs 2b.
  • the internal pipe 20 is a corrugated pipe, i.e., one with undulated wall.
  • the outer surface of the pipe 20 (but also the inner one) is defined by a series of reliefs and recesses, preferably annular and parallel to one another and arranged according to a regular series. Said reliefs and recesses could, on the other hand, have a spiral pattern along the pipe 20.
  • the wall or the cross section of the pipe 20 has a pattern with square profile, i.e., with reliefs and recesses defined by contiguous stretches of wall that are substantially mutually orthogonal (a sort of "square wave").
  • the aforesaid reliefs and recesses could have a substantially trapezoidal profile, i.e., at least in part delimited by slightly inclined or divergent stretches of wall.
  • the pipe 20 could also have a pattern similar to what is shown for the external pipe 30, with substantially rounded external profile, i.e., with reliefs and recesses radiused by stretches of wall that are semicircular or shaped like the arc of a circumference (a sort of "sinusoidal wave").
  • the internal corrugated pipe 20 is preferably made of polypropylene.
  • a pipe of this sort has characteristics of flexibility - understood as capacity for deformation without squeezing or kinking or local curvatures - decidedly better than the traditional water-intake pipes made of PVC.
  • a corrugated pipe of the type referred to above presents characteristics of elasticity that are inferior to those of pipes made of PVC.
  • at least one end portion of the internal pipe 20 is coupled to a first end portion 21a of a respective tubular connection element, designated as a whole by 21.
  • the tubular element 21 has, in its portion 21a, an axial stretch of inner surface structured for engagement with an axial stretch of the outer surface of the pipe 20.
  • the tubular element 21 has then a second end portion 21b designed to be engaged or fitted on the coupling part 2a of the body 2.
  • the inner surface of the element 21 defines - in the portion 21a - a regular series of reliefs and recesses, where the surface reliefs of the element 21 are engaged in the recesses of the outer surface of the pipe 20, whilst the reliefs of the outer surface of the pipe 20 are engaged in the surface recesses of the tubular element 21. Thanks to the aforesaid characteristics, the mechanical coupling and the hydraulic seal between the pipe 20 and the tubular element 21 are excellent.
  • the tubular member 21 is co-moulded with, or overmoulded directly on, the terminal stretch of the pipe 20, so that part of the inner surface of the tubular element 21 and part of the outer surface of the pipe 20 are practically complementary to one another.
  • the pipe 20 and the tubular element 21 can be intimately joined to one another also as a result of an adhesion or bonding of the respective constituent materials, which may be of types compatible for said purpose.
  • the second end portion 21b of the tubular element 21 is, as has been said, fitted on the part 2a of the valve body 2, on which the reliefs 2b are provided.
  • a mechanical clamping component 22 constituted, for example, by a metal clinching bushing, which can be locally deformed by tightening the tubular element 21 on the part 2a of the body 2.
  • the presence of the reliefs and of the recesses of the tubular element 21, albeit preferable, is not strictly necessary for the purposes of the implementation of the invention.
  • the inner surface of the portion 21a of the element 21 can be substantially smooth, in which case at least one mechanical element is provided, designed to clamp or grip externally said portion 21a on the pipe 20.
  • Such a gripping element preferably of an annular shape, can be of construction conceptually similar to the component 22, or else be constituted by an appropriate stretch or prolongation of said component 22.
  • the material constituting the tubular element 21 is preferably an elastic synthetic material, such as an elastomer (for example, Santoprene®) in order to enable an easy fitting of the element itself on the part 2a of the body 2.
  • an elastomer for example, Santoprene®
  • the upper end of the pipe 20 is not directly in contact with or fitted on the part 2a of the body 2.
  • the tubular element 21 can present an intermediate portion between the end portions 21a, 21b, which sets the outlet 3b in fluid communication with the pipe 20. In this way, there is prevented the risk that any curvature of the pipe 20 in the proximity of the part 2a of the valve body 2 will be such as to jeopardize the quality of the hydraulic seal and of the mechanical coupling between the two parts in question.
  • the corrugated external pipe 30 encloses or surrounds at least partially the pipe 20 and has the function of collecting, and/or withholding, and/or conveying the leakage water in the case of failure of the pipe 20, or else in the case of occasional leaks from the body 2 or from the element 21.
  • a gap 31 formed between the two pipes 20, 30 is a gap 31, designed to receive the leakage water, in order to withhold it and/or convey it even when under pressure.
  • an electrical cable 32 there extends, in the gap 31, an electrical cable 32, the conductors 32a, 32b of which are connected, at respective first ends, to the terminals 7 of the solenoid valve 4.
  • the second ends of the conductors 32a, 32b are equipped with respective terminals 33a, 33b, for connection to the control of the device or the control system of the interlocked electrical household appliance, which preferably comprises sensor means for detecting leakage of water of a type in itself known.
  • the electrical cable 32 could be connected, instead of to a valve, to other members of the device itself, and in particular to detection means (constituted, for example, by a sensor for detecting the presence of liquid that operates inside the gap 31, or else by a flowmeter that operates along the pipe 20 or upstream thereof, for example associated to the body 2).
  • the electromagnet 5 of the valve 4 is coated directly with a protective and insulating coating 40, made of thermoplastic material.
  • the coating 40 coats, at least partially, also the valve body 2, substantially according to the technique described in the aforesaid document FR-A-2 742 514 .
  • the coating 40 forms a further substantially cylindrical coupling part 41, on the outer surface of which coupling teeth or projections 41a are formed, similar to the ones present on the part 2a of the body 2.
  • a portion of the upper end of the external pipe 30 is coupled to the part 41 of the coating 40 via a respective hollow connection element, designated by 42.
  • connection element 42 fulfils functions of coupling and seal substantially similar to those of the tubular element 21.
  • connection element 42 has - on the inner surface of one of its first end portions 42a - a series of reliefs and recesses, coupled with the recesses and reliefs defined on the outer surface of the corrugated external pipe 30.
  • a second end portion 42b of the element 42 is instead fitted on the part 41 of the coating 40.
  • a metal clinching bushing 43 deformable locally for gripping the element 42 on the part 41.
  • the connection element 42 can also be overmoulded on the respective terminal stretch of the external pipe 30 and made of an elastic synthetic material, such as Santoprene®.
  • connection element 42 it is possible to apply the variant embodiments previously mentioned in relation to the pipe 20 and the tubular element 21, as regards the profile of the projections and of the recesses, the smooth conformation of the inner surface of the portion 42a, the provision of an external gripping element for the portion 42a, the latter being configured as a component in itself or else as prolongation of the element 43, and so forth.
  • the lower end of the corrugated internal pipe 20 can be equipped, if need be, with a tubular element 23, of construction similar to the tubular element previously designated by 21.
  • the lower end of the pipe 30 can be provided with an element similar to the element 42 or else to the element 21 or 23.
  • the element 21, 23 can be overmoulded directly on the terminal region of the pipe 30 and/or 20.
  • Illustrated schematically in Figures 3-5 is a possible apparatus or mould that can be used for said purpose.
  • the apparatus designated as a whole by 50, comprises three parts, and in particular a central part or insert 51 and two peripheral half-moulds 52, 53.
  • Each half-mould 52, 53 has a respective impression 52a, 53a ( Figure 5 ), which is to define a respective portion of the external profile of the element 21.
  • the remaining portion of the profile of the element 21 is instead defined in part by the insert 51 and in part directly by a terminal portion of the pipe 20.
  • Formed in the half-mould 52 is a conduit 54, for injection of the moulding or overmoulding material.
  • the insert 51 has a cylindrical part 51a having a distal end 51b with reduced cross section or diameter, configured to enable partial penetration in the end of the corrugated pipe 20, in order to provide a seal suitable for preventing the possibility of the overmoulding material penetrating inside the pipe itself during the process of injection.
  • the maximum diameter of the end 51b can be slightly greater than the internal diameter of the pipe 20.
  • the end of the pipe 20 is fitted on the region 51a of the insert 51, with the two half-moulds 52, 53 in the open position, i.e., divaricated (as shown in Figure 5 ).
  • the material fills the aforesaid space 55 completely, thus forming the tubular element 21 directly on the pipe 20.
  • a first inner surface of the portion 21a of the element 21, provided with reliefs and recesses, is determined by the external shape of the pipe 20, whilst a second inner surface of the portion 21b of the element 21, which is substantially smooth, is determined by the cylindrical part 51a of the insert 51. In this way, at least part of the inner surface of the element 21 assumes a shape that is complementary to the outer surface of the pipe 20.
  • the half-moulds 52, 53 are opened, as may be seen in Figure 5 , and the pipe 20 with the element 21 coupled thereto can be slid off the insert 51.
  • an apparatus conceptually similar to the one illustrated in Figures 3-5 can be used for the purposes of overmoulding the connection element 42 on the corrugated external pipe 30, or else for the purposes of moulding on the corrugated pipe 30 other elements (not shown), preferably made of elastomer.
  • An apparatus conceptually similar to the one illustrated in Figures 3-5 can also be used for the purposes of just moulding a tubular element 21, designed to be mounted at a later date on the corrugated pipe 20, exploiting, for example, the elastic properties of the elastomeric material with which said element is preferably made.
  • the apparatus 50 is equipped with an insert 51 having a shape different from the one exemplified, or else is equipped with a further insert, having at least in part the external shape of the corrugated pipe 20, or else having a completely smooth cylindrical surface (according to whether the aim is to provide a tubular element 21 with inner surface having reliefs and recesses or else completely smooth).
  • the safety device according to the invention is less expensive to produce than the devices according to the known art, thanks to the replacement of the polyvinyl-chloride reinforced water-intake pipe with a pipe of simpler construction, which requires a reduced amount of material of lower cost and that has lower weight.
  • both of the pipes of the device according to the invention may be formed with one and the same material, in particular polypropylene, simplifies disposal of the product at the end of its useful life.
  • the elimination of the water-intake pipe made of polyvinyl chloride hence enables important benefits to be obtained also from the ecological standpoint.
  • the use of an internal corrugated pipe prevents any risk of squeezing or local kinks typical of the known art, with evident advantages in terms of reliability and safety of the device.
  • the tubular connection element when envisaged, simplifies the modalities of mechanical coupling and sealing of the corrugated pipe internal to the valve body of the device.
  • the preferred field of application for the invention is that of anti-flooding safety devices equipped with electrical, or mechanical, or pneumatic shut-off means.
  • the invention is in any case suitable for use also in relation to anti-flooding safety devices without valve means or that can be associated to independent shut-off means, i.e., of the type with simple visual warning or else of the type provided with only means for detection of an anomalous condition (such as water-leakage sensor means, or else flowmeter means, without necessarily providing a valve).
  • the device according to the invention may be used to advantage in washing appliances, such as washing machines and dish-washers, but is in general applicable also to other types of electrical household appliances connected to a source of supply of liquid (such as, for example, refrigerators equipped with dispensers of beverages or cooled water).
  • a source of supply of liquid such as, for example, refrigerators equipped with dispensers of beverages or cooled water.
  • the elements 21 and 42 are made of a single body.
  • the element 21 or 42 can possibly exert a sealing action on both of the pipes 20, 30.
  • the formation of both of the corrugated pipes of the device 1 with one and the same material can enable a more convenient seal between them (for example, if they are both overmoulded with a single material, preferably an elastomer, which is glued or bonded to both of the corrugated pipes 20 and 30 and/or to at least part of the body 2 and/or of its coating 40).
  • the elements 21 and 42 could also be configured as a piece moulded on itself, subsequently fitted on the pipe 20 and/or on the pipe 30.
  • the aforesaid elements can be formed with material designed to shrink after being fitted on the pipe 20 and/or 30, for example following upon a thermal stress (heat-shrinking materials) or following upon cessation of a stress, for example a mechanical or thermal stress (materials with shape-memory effect).
  • the safety-valve means that equip the device according to the invention can also be pneumatically or else mechanically actuated.
  • an air conduit for example, a small flexible conduit
  • a suitable transmission for example a Bowden cable with corresponding sheath
  • the tubular element 21 could be overmoulded on the pipe 20, and the connection element 42 could be subsequently overmoulded both on a part of the element 21 and on a part of the external pipe 30.
  • the device according to the invention can possibly comprise a plurality of corrugated pipes 20, 30 connected to one another in series, for example via intermediate-connection means.
  • Said solution is envisaged in the case of modular safety devices or ones equipped with extensions, or else of the type in which the valve body is located in a position intermediate between two stretches of corrugated pipe 20, 30.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Cookers (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Centrifugal Separators (AREA)
  • Lubricants (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (15)

  1. Sicherheitsvorrichtung gegen Überschwemmung für ein Haushaltsgerät, insbesondere für das Befüllen mit oder das Einlassen einer Flüssigkeit in das Haushaltsgerät, wobei die Vorrichtung (1) enthält: einen Verbinderkörper (2, 40), ein erstes flexibles Rohr (20) und ein zweites flexibles Rohr (30), wobei im Verbinderkörper (2, 40) eine Leitung (3) in Fluidverbindung mit dem ersten flexiblen Rohr (20) definiert ist, das erste flexible Rohr (20) vorgesehen ist, um eine Flüssigkeit zu befördern, und sich wenigstens ein Teil des ersten flexiblen Rohres (20) in Längsrichtung innerhalb des zweiten flexiblen Rohres (30) derart erstreckt, dass wenigstens zwischen einem Teil der beiden flexiblen Rohre (20, 30) ein Spalt (31) definiert ist, der in der Lage ist, mögliche Leckflüssigkeit zu befördern und/oder zurückzuhalten, die beiden flexiblen Rohre (20, 30) flüssigkeitsundurchlässig sind, und die Sicherheitsvorrichtung gegen Überschwemmung weiterhin Verbindungseinrichtungen (21, 22; 23) zwischen dem Verbinderkörper (2) und dem ersten flexiblen Rohr (20) umfasst, wobei:
    - wenigstens ein Endabschnitt des ersten flexiblen Rohres (20) mit einem ersten Endabschnitt (21a) eines röhrenförmigen Elementes (21; 23) gekoppelt ist, das einen Teil der Verbindungseinrichtungen (21, 22; 23) bildet, und
    - das röhrenförmige Element (21; 23) einen zweiten Endabschnitt (21b) hat, der mit einem Kopplungsteil (2a) des Verbinderkörpers (2, 40) in Eingriff steht oder an diesen angepasst ist,
    - wobei die Sicherheitsvorrichtung gegen Überschwemmung dadurch gekennzeichnet ist, dass
    - das erste flexible Rohr (20) ein geriffeltes Rohr ist und
    - das röhrenförmige Element (21, 23) als Komponente ausgebildet ist, die auf das erste flexible geriffelte Rohr (20) geformt ist und aus einem elastischen synthetischen Material, wie etwa einem Elastomer besteht.
  2. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1, weiterhin umfassend Einrichtungen (4) zum Absperren der Flüssigkeit, wobei insbesondere die Absperreinrichtungen (4) an dem Verbinderkörper (2) angebracht sind und in einer Ausdehnung der Leitung (3) betätigt werden können, die sich zwischen einem Einlass (3a) und einem Auslass (3b) derselben befindet, wobei sich insbesondere in dem Spalt (31) Einrichtungen (32) erstrecken, die dazu bestimmt sind, zu den Absperreinrichtungen (4) einen Schließbefehl zu senden, wobei diese Einrichtungen insbesondere von einem elektrischen, pneumatischen oder anderem mechanischen Typ sind.
  3. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1 oder Anspruch 2, weiterhin umfassend Erfassungseinrichtungen (33a, 33b).
  4. Sicherheitsvorrichtung gegen Überschwemmung nach wenigstens einem der vorhergehenden Ansprüche,
    - umfassend wenigstens einen elektrischen Draht oder eine elektrische Leitung (32), die sich insbesondere wenigstens teilweise in dem Spalt (31) und/oder wenigstens teilweise auf der Außenseite des ersten geriffelten flexiblen Rohres (20) und/oder zwischen dem ersten geriffelten flexiblen Rohr (20) und dem zweiten flexiblen Rohr (30) erstrecken.
  5. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1, bei der das röhrenförmige Element (21, 23) wenigstens eine axiale Oberflächenausdehnung hat, die so strukturiert ist, dass sie mit einer axialen Oberflächenausdehnung des ersten geriffelten flexiblen Rohres (20) in Eingriff steht, wobei insbesondere die Oberflächenausdehnungen einen Wechsel von Erhebungen und Vertiefungen haben.
  6. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 5, bei der:
    - die Erhebungen der Oberflächenausdehnung des röhrenförmigen Elementes (21, 23) in Vertiefungen der Oberflächenausdehnung des ersten geriffelten flexiblen Rohres (20) eingreifen und Erhebungen der Oberflächenausdehnung des ersten geriffelten flexiblen Rohres (20) in Vertiefungen der Oberflächenausdehnung des röhrenförmigen Elementes (21, 23) eingreifen und/oder
    - die Erhebungen und Vertiefungen eine im wesentlichen ringförmige Gestalt haben und im wesentlichen parallel zueinander verlaufen oder andernfalls ein spiralförmiges Profil haben und/oder
    - die Erhebungen und Vertiefungen ein im wesentlichen quadratisches, gerundetes, sinusförmiges oder trapezförmiges Profil haben, und/oder
    - die Oberflächenausdehnungen im wesentlichen komplementär zueinander sind und/oder
    - die Oberflächenausdehnungen im wesentlichen aneinander gebondet sind.
  7. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1, bei der der erste Endabschnitt (21a) des röhrenförmigen Elementes (21, 23) eine Oberflächenform hat, die im wesentlichen komplementär zu einer Oberfläche des wenigstens einen Endabschnittes des ersten geriffelten flexiblen Rohres (20) ist und der wenigstens eine Endabschnitt des ersten geriffelten flexiblen Rohres (20) in einem Abstand von dem Kopplungsteil (2a) des Verbinderkörpers (2, 40) axial versetzt ist, wobei das röhrenförmige Element (21) einen Zwischenabschnitt zwischen seinem ersten und zweiten Endabschnitt (21a, 21b) hat, der eine Fluidverbindung des Auslasses (2b) des Verbinderkörpers (2, 40) mit dem wenigstens einen Endabschnitt des ersten geriffelten flexiblen Rohres (20) herstellt.
  8. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1 oder Anspruch 7, bei der
    - sich der wenigstens eine Endabschnitt des ersten geriffelten flexiblen Rohres (20) in dem ersten Endabschnitt (21a) des röhrenförmigen Elementes (21) erstreckt und/oder
    - an das röhrenförmige Element (21) wenigstens ein externes Klemm- oder Spannbauteil (22) angepasst ist,
    wobei insbesondere an den ersten und/oder den zweiten Endabschnitt (21a, 21b) des röhrenförmigen Elementes (21) ein Klemmbauteil (22) angepasst ist, das betätigt werden kann, um das röhrenförmige Element (21) am Kopplungsteil (2a) des Verbinderkörpers (2, 40) oder an dem wenigstens einen Endabschnitt des ersten geriffelten flexiblen Rohres (20) zurückzuhalten.
  9. Sicherheitsvorrichtung gegen Überschwemmung nach einem der vorhergehenden Ansprüche, bei der wenigstens ein Endabschnitt des zweiten flexiblen Rohres (30) mit einem ersten Endabschnitt eines Verbindungselementes (42) gekoppelt ist, wobei das Verbindungselement (42) wenigstens eine axiale Oberflächenausdehnung hat, die so aufgebaut ist, dass sie mit einer axialen Oberflächenausdehnung des zweiten flexiblen Rohres (30) in Eingriff steht.
  10. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 9, bei der
    - die Oberflächenausdehnungen jeweils einen Wechsel von Erhebungen und Vertiefungen haben, wobei die Erhebungen der Oberflächenausdehnung des Verbindungselementes (42) in Vertiefungen der Oberflächenausdehnung des zweiten flexiblen Rohres (30) eingreifen und Erhebungen der Oberflächenausdehnung des zweiten flexiblen Rohres (30) in Vertiefungen der Oberflächenausdehnungen des Verbindungselementes (42) eingreifen und/oder
    - das Verbindungselement (42) einen zweiten Endabschnitt hat, der mit einem weiteren Kopplungsteil (41), der im Verbinderkörper (2, 40) ausgebildet ist, oder einer Beschichtung (40) des letztgenannten in Eingriff steht oder an diesen angepasst ist, wobei insbesondere an den zweiten Endabschnitt des Verbindungselementes (42) ein mechanisches Klemmbauteil (43) angepasst ist, das so betätigt werden kann, dass es in einer Stellung das Verbindungselement (42) an dem weiteren Kopplungsteil (41) des Verbinderkörpers (2, 40) oder dessen Beschichtung (40) zurückhalten kann,
    und/oder
    - das Verbindungselement (42) fluiddichtend auf beide flexiblen Rohre (20, 30) wirkt und/oder das Verbindungselement (42) über beide flexiblen Rohre (20, 30) geformt ist.
  11. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1 und 9, bei der:
    - das röhrenförmige Element (21) und das Verbindungselement (42) aus einem einzigen Stück bestehen, und/oder
    - das Verbindungselement (42) wenigstens teilweise über das röhrenförmige Element (21) und das zweite flexible Rohr (30) geformt ist und/oder
    - das Verbindungselement (42) aus einem elastischen Kunstharzmaterial, insbesondere einem Elastomer, besteht und/oder
    - das röhrenförmige Element (21, 23) und/oder das Verbindungselement (42) aus einem Material bestehen/besteht, das darauf ausgelegt ist, infolge einer thermischen Spannung zu schrumpfen, wie etwa ein bei Wärme schrumpfendes Material, oder infolge der Einstellung einer mechanischen oder thermischen Spannung zu schrumpfen, wie etwa ein Material mit Form-Memoryeffekt.
  12. Sicherheitsvorrichtung gegen Überschwemmung nach Anspruch 1, bei der das röhrenförmige Element (21) fluiddichtend auf beide flexiblen Rohre (20, 30) wirkt und/oder auf beide flexiblen Rohre (20, 30) geformt ist.
  13. Verfahren zur Herstellung einer Sicherheitsvorrichtung gegen Überschwemmung nach wenigstens einem der vorangehenden Ansprüche, umfassend folgende Schritte:
    i) Bereitstellen eines Verbinderkörpers (2, 40), der einen Kopplungsteil (2a) hat;
    ii) Bereitstellen des ersten flexiblen Rohres (20);
    iii) Bereitstellen des zweiten flexiblen Rohres (30); und
    iv) Koppeln des ersten flexiblen Rohres (20) und des zweiten flexiblen Rohres (30) mit dem Verbinderkörper (2), wobei sich wenigstens ein Teil des ersten flexiblen Rohres (20) in Längsrichtung in dem zweiten flexiblen Rohr (30) erstreckt,
    wobei:
    - Schritt iv) die Vorgänge des Bereitstellens des röhrenförmigen Elementes (21), des Koppelns des ersten Endabschnittes des röhrenförmigen Elementes (21) mit dem wenigstens einem Endabschnitt des ersten flexiblen Rohres (20) und des Koppelns des zweiten Endabschnittes (21b) des röhrenförmigen Elementes (21) an den Verbinderteil (2a) umfasst,
    dadurch gekennzeichnet, dass das erste flexible Rohr (20) ein geriffeltes Rohr ist, wobei das röhrenförmige Element (21) aus einem elastischen synthetischen Material hergestellt ist, wie etwa einem Elastomer, und der Vorgang des Koppelns des ersten Endabschnittes des röhrenförmigen Elementes (21) mit dem wenigstens einen Endabschnitt des ersten geriffelten flexiblen Rohres (20) den Vorgang des Überformens des röhrenförmigen Elementes (21) auf das erste geriffelte flexible Rohr (20) umfasst.
  14. Verfahren nach Anspruch 13, bei dem der Schritt iv) die Vorgänge des Koppelns des Verbindungselementes (42) mit dem zweiten flexiblen Rohr (30) und des Anpassens des Verbindungselementes (42) an den weiteren Verbindungsteil (41) umfasst, wobei die Vorgänge des Koppelns des Verbindungselementes (42) mit dem zweiten flexiblen Rohr (30) das Überformen des Verbindungselementes (42) auf das zweite flexible Rohr (30) umfassen.
  15. Verfahren nach Anspruch 13 oder 14, bei dem ein Überformvorgang vorgesehen ist, der das Anpassen eines Endabschnittes des ersten geriffelten flexiblen Rohres (20) an einen Teil (51b) eines Elementes (51) umfasst, das zu einer Formgießvorrichtung (50) gehört, und der Überformvorgang weiterhin den Vorgang des Einspritzens eines Überformmaterials in einen Hohlraum (55) der Vorrichtung (50) umfasst, in den sowohl das Element (51) als auch der Endabschnitt des ersten geriffelten flexiblen Rohres (20) ragen.
EP08165774.4A 2005-12-15 2006-12-12 Überlaufschutzvorrichtung für haushaltsgeräte, besonders für waschgeräte Active EP2014818B1 (de)

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PL10181887T PL2314752T3 (pl) 2005-12-15 2006-12-12 Urządzenie zabezpieczające przed zalaniem do urządzenia gospodarstwa domowego
EP10181887.0A EP2314752B1 (de) 2005-12-15 2006-12-12 Überlaufschutzvorrichtung für Haushaltsgeräte, besonders für Waschgeräte

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IT000876A ITTO20050876A1 (it) 2005-12-15 2005-12-15 Dispositivo di sicurezza antiallagamento per elettrodomestici, in particolare macchine di lavaggio
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DE202012101676U1 (de) * 2012-05-07 2012-05-21 TI Automotive (Fuldabrück) GmbH Schutzrohr für eine zu temperierende Medienleitung und Leitungsaggregat
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EP2947194B1 (de) 2014-05-22 2018-09-05 Schlemmer Gmbh Kopplungsanordnung für ein haushaltsgerät, vorrichtung für ein haushaltsgerät sowie haushaltsgerät
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ATE434678T1 (de) 2009-07-15
EP2014818A3 (de) 2009-02-18
ES2420782T3 (es) 2013-08-26
DE602006007426D1 (de) 2009-08-06
ES2685769T3 (es) 2018-10-11
EP2314752B1 (de) 2013-04-17
EP1798326A1 (de) 2007-06-20
PL1798326T5 (pl) 2012-06-29
ES2328513T3 (es) 2009-11-13
ITTO20050876A1 (it) 2007-06-16
PL1798326T3 (pl) 2009-12-31
PL2014818T3 (pl) 2019-03-29
PL2314752T3 (pl) 2013-09-30
ES2328513T5 (es) 2012-05-16
EP1798326B1 (de) 2009-06-24
EP2014818A2 (de) 2009-01-14
EP1798326B2 (de) 2012-01-11
EP2314752A1 (de) 2011-04-27

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