WO2012120041A1 - Pièce de sortie pour dispositif de traitement de liquide - Google Patents

Pièce de sortie pour dispositif de traitement de liquide Download PDF

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Publication number
WO2012120041A1
WO2012120041A1 PCT/EP2012/053912 EP2012053912W WO2012120041A1 WO 2012120041 A1 WO2012120041 A1 WO 2012120041A1 EP 2012053912 W EP2012053912 W EP 2012053912W WO 2012120041 A1 WO2012120041 A1 WO 2012120041A1
Authority
WO
WIPO (PCT)
Prior art keywords
outlet piece
radiation
water
piece according
outlet
Prior art date
Application number
PCT/EP2012/053912
Other languages
German (de)
English (en)
Inventor
Thomas Köhler
Original Assignee
Brita 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 Brita Gmbh filed Critical Brita Gmbh
Publication of WO2012120041A1 publication Critical patent/WO2012120041A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D2210/00002—Purifying means
    • B67D2210/00013—Sterilising means
    • B67D2210/00015—UV radiation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3222—Units using UV-light emitting diodes [LED]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/12—Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners

Definitions

  • the invention relates to an outlet piece for a device for treating water, wherein the device comprises at least one UV source for generating UV radiation and the outlet piece is water-conductively connectable to the device, which outlet piece comprises:
  • a discharge section for discharging the treated water from the device
  • Means for reducing the intensity of the outlet ⁇ piece exiting UV radiation Means for reducing the intensity of the outlet ⁇ piece exiting UV radiation.
  • the invention also relates to a device for treating water.
  • Such devices are, for example, coolers, chillers, waterbars or vending machines, which have outlet pieces, via which the treated water is discharged. In particular, proceeds from the outlet pieces the risk of retrograde contamination of drinking water by RocsCd ⁇ Liche pathogens such as bacteria, protists, fungi,
  • Parasites, viroids, viruses, algae or prions For example, touching the outlet piece with a user's hand may be sufficient to introduce pathogens into the outlet piece which propagate against the main direction of flow of the drinking water within the device.
  • Inactivate measures include, for example, the irradiation of the liquid with UV radiation or the displacement of the liquid with a cleaning agent.
  • Irradiation with UV radiation has the advantage that it can be made directly on the outlet piece by placing the outlet piece in the radiation area of the UV source.
  • UV radiation not only serves to inactivate pathogens but can be harmful to humans. UV radiation can cause skin diseases such as burns and skin cancer, as it can cause changes to the DNA. As a result, guidelines have been issued requiring that, when operating UV sources, the UV radiation thereby generated, which a user may be exposed to, must not exceed a certain intensity.
  • DE 10 2010 028 118 A1 discloses a water purification unit comprising a housing, a transparent tube, a germicidal lamp and a flow channel definition member. Furthermore, the water purification unit includes a faucet coupled to an outlet opening of the housing for passing water passed through the housing.
  • the tap has the shape of a cylinder. It comprises a first hole provided on one side, a second hole provided on the other side, and a through-channel defined in the faucet to connect the first hole to the second hole.
  • the faucet further includes an insulator provided on the passageway to prevent ultraviolet rays emitted by the degermination lamp from being discharged through the passageway to the outside.
  • the insulator has a first wall and a second wall.
  • the first and second walls may be formed in various shapes as long as the first wall and the second wall project toward the through-channel.
  • the first wall and the second wall may be vertical or at an angle to a flow direction of the water.
  • the object of the invention is to develop an outlet piece of the type mentioned in such a way that the UV radiation, which can escape from the outlet piece, has a health-harmless intensity, wherein the
  • Outlet piece should be relatively compact.
  • an outlet piece according to the invention which is characterized in that the wall has a free end and the discharge section is arranged offset from the free end by the distance back.
  • the means for reducing the intensity of the radiation emerging from the outlet piece must be able to direct the UV radiation and / or reduce its intensity, while the reliable disinfection of the dispensing portion to be granted afford ⁇ .
  • DE 10 2007 055 449 A1 discloses a tapping point which has an outlet for drinking water.
  • a UV-C radiation source is arranged in the immediate vicinity of an outer wall of the outlet.
  • This is part of a holder which is designed as a grommet and releasably attached to the outlet end.
  • the radiation source ver ⁇ runs coaxially around the tubular outlet end, wherein the radiation source via a water outlet opening edge of the training protrudes run.
  • the irradiable region of the outlet end consists of a UV-C radiation permeable material, preferably made of quartz glass.
  • the spout has an additional one
  • the spout is not designed to direct the water to the spout.
  • the outlet piece shown in DE 10 2007 055 449 also does not ensure that a certain part of the UV radiation can leave the outlet piece and cause damage to the user.
  • DE 10 2008 040 336 AI discloses a Kartu- see, in which a vessel is arranged in the form of a helical coil.
  • the cartridge has a cylindrical side wall, provided at de ⁇ ren upper end, a flange with attachment means is. At the upper end also is an inlet of the Gefä ⁇ SLI, at the lower end of the cartridge is a bottom wall
  • a UV lamp emits ih ⁇ re performance radially and thus irradiates the current flowing in the spiral water.
  • the lamp and the outlet are arranged in such a way that the outlet is in the irradiation area of the UV lamp. In the lower area, the UV lamp radiates not only radially but in all directions, so that the outlet is detected.
  • the outlet section does not conduct water to off ⁇ let.
  • the means for reducing the intensity of the UV radiation emerging from the outlet piece are designed to be UV-reflective for directing the UV radiation from the UV source to the discharge portion.
  • a large part of the UV radiation is directed to the delivery section, so that safe sterilization takes place there, at the same time only a part which is harmless to health can escape from the outlet piece, so that no risks for the user result from the exiting radiation.
  • the wall is at least partially UV-reflective, so that the UV radiation is directed from the UV source to the free end and from there to the discharge section.
  • the UV radiation is thrown back against the flow direction of the water when leaving the device back to the discharge section.
  • the UV radiation is directed substantially opposite to the direction that it must take to exit the outlet, so that at most only a small part of the UV radiation can leave the outlet piece with minimal and unobjectionable intensity.
  • the Directed UV radiation in such a way to the dispensing section that its free end face irradiated intensively and thus safely ent ⁇ germinates. This is advantageous because in particular, the end face of the discharge portion of a user as example ⁇ is touched with his fingers, so here is a
  • Particularly high germ density may be present, which can lead to a retrogra ⁇ the microbial contamination.
  • the probability that a user comes in contact with the discharge portion is reduced further toward ⁇ characterized in that the dispensing portion is located set back from the free end and thus the ENTRANCE ⁇ friendliness of the dispensing section is limited to a user.
  • the distance by which the end face of the discharging portion opposite the free end of the wall set back is arranged, for example, can be chosen so that it is slightly more than the average length of the longest finger of a Be ⁇ user, so that access to the end face of the
  • the wall and the guide element can be made, for example, of metal, on the surface of which the UV radiation is reflected.
  • the guide element forms a channel to ⁇ together with the wall, so that the path of the water is extended in the outlet piece. Since both the guide element and the wall can be performed in sections UV-reflective from ⁇ at least, the radiation range of the UV source extending at least partially through the channel the water to be put back ⁇ needs.
  • the inactivation of germs depends on the one hand on the intensity of the UV radiation and on the other hand on the length of the irradiation.
  • the water in this embodiment is exposed to UV radiation for a longer period of time, so that therein
  • the guide element and / or the wall can be coated at least in sections with a UV-reflecting layer. This can be achieved, for example, by means of a metal coating, for example using aluminum.
  • the wall and / or the guide element need not be made of solid Me ⁇ tall, but any material can be used, which can be coated accordingly.
  • the wall and / or the guide element are at least partially made of UV-transparent Mate ⁇ material.
  • the radiation region of the UV source can be guided in a targeted manner through the outlet piece, so that on the one hand the water has a long contact time with the UV radiation and is thus safely sterilized, On the other hand, the intensity at the delivery section is still sufficiently high, so that it is also safely sterilized. The sterilization of the entire device is thereby improved.
  • the delivery section is made of UV-transparent material.
  • UV-transparent material reflects the UV radiation only to a small degree, so that UV radiation which impinges on the dispensing portion only in ge ⁇ small extent, can leave the outlet piece. The outgoing from the UV radiation, which leaves the outlet piece healthy ⁇ standardized risk is thus very low.
  • the guide element has a between the UV
  • This area can be perpendicular or inclined to the longitudinal axis of the Vorrich- tion and be provided with the UV-reflective layer.
  • the area prevents UV radiation directly from the UV source for dispensing section and can leave from there the pros ⁇ direction. The intensity of the UV radiation is then very high and thus dangerous for the user when the UV rays are parallel or approximately parallel to each other. This is prevented by the areas.
  • the delivery section is coated with a UV-absorbing layer.
  • This UV absorbing layer can be produced, for example, using titanium dioxide. Also hereby it is achieved that the light reflected from the discharge section and out of the outlet piece ⁇ exiting proportion of the UV radiation is reduced, so that the coming out of the outlet piece UV radiation does not represent Ge ⁇ sundheitsgefahr for the user.
  • the dispensing section may comprise a UV radiation scattering surface. This can be designed so that the proportion of UV radiation that can leave the outlet is minimized. Again, the formation of paral ⁇ lel or approximately parallel to each other extending UV rays is prevented, whereby the intensity of the UV radiation is reduced.
  • the means for reducing the intensity of the radiation exiting the outlet piece in one embodiment comprise a closure element for preventing the escape of UV radiation from the device.
  • the closure element is at least not primarily the release or interruption of the flow of water from the device, but the prevention of the escape of UV radiation from the
  • both functions can be interconnected so that the number of components is reduced.
  • the outlet piece is completely closed so that there is no longer any opening from which UV radiation can escape from the device.
  • a very intense UV radiation can be generated in the outlet piece, which leads to a safe disinfection of the delivery section.
  • the UV source can be arranged at a small distance at the delivery section, which is particularly advantageous because the intensity of the UV radiation decreases sharply with increasing distance from the UV source. In this embodiment, therefore, the UV source with a minimum power consumption and thus can be operated cost and energy saving, yet a safe sterilization of the delivery section is guaranteed. Even with the Ver, the probability of contact of the outlet is reduced with the user through the set-back Anord ⁇ voltage of the outlet closing element.
  • the closure element is designed to be UV-reflective at least in sections. As with the wall or the guide element, this can be achieved in that the closure element is constructed of metal and has a corresponding surface. Thereby, the UV radiation, which impinges on the closure member, directed back to the dispensing section so that the incident there Intensi ⁇ ty is increased. The sterilization of the delivery section is thus improved.
  • the closure element has, at least in sections, a UV-reflecting layer.
  • the UV radiation which strikes the closure element is directed back to the dispensing section, so that the intensity impinging thereon is increased.
  • the distance at which the end face of the discharge section is arranged offset from the free end of the wall be chosen low. Since the closure element, the UV radiation from the closure element is reflected and the closure member extends in the closed position radially over the entire discharge portion, a small distance is sufficient to direct the UV radiation so, the end face substantially against the flow direction of the water to be irradiated through the delivery section. As already explained above, the end face of the dispensing section can only be touched by a user when the closure element is open, ie only when water is dispensed from the device. The need to provide a large distance to complicate the contact of the end face with the Fin ⁇ like the user is less mandatory in this imple mentation, since the user would resort to the leaking water.
  • the outlet piece can be made more compact and space and material-saving.
  • the closure element can be movable by means of an actuating element.
  • an actuating element In addition to the convenience for the user, who does not have to move the shutter member manually to open and close the outlet, other effects are caused. The user does not have to grasp the closure element with his hands to move, so that the risk that pathogens can be introduced into the outlet piece via a contaminated closure element is reduced.
  • the closure element can only be opened by means of a control ⁇ if a request for the removal of water from the
  • the invention also relates to a device with an outlet piece according to one of the exemplary embodiments described above ⁇ . The effects that result for this device are consistent with those described for the various embodiments.
  • FIG. 1 shows a schematic diagram of a first embodiment of an outlet piece in half section
  • Figure 2 is a schematic diagram of a second embodiment ⁇ example in half section.
  • an outlet piece 1 0 i is part of a device 12 i for preparing water, comprising a container 14 with a drain 1 6, in which the water can be stored.
  • the sequence 1 6 can be opened and closed with a closure, not shown.
  • the outlet piece 1 0 i is water-conducting connected to the container 14 and has a wall 1 8, to which a discharge portion 2 0 is attached.
  • the discharge section 2 0 can be formed by the wall 1 8.
  • the wall 1 8 leads to the water
  • the wall 1 8 encloses the Abgabeab ⁇ section 2 0 to form an annular space 22 which is bounded by a free end 24 of the wall 1 8 and in which a UV source 2 6 is provided for generating UV radiation.
  • the discharge section 2 0 has a free end face 2 8, which is arranged offset from the free end 24 of the wall 1 8 by the distance A back. Downstream of the free end 24 and the discharge section 2 0 is a Ver gleichele ⁇ ment 30, which is the exit of UV radiation from the
  • Outlet piece 1 0 prevents i.
  • a water-sealing function need not necessarily take over the closure element 30.
  • the closure element 30 is movable by means of an adjusting element 34 in the directions indicated by the arrow Pi and has a UV-reflecting layer 36, on which the UV radiation generated by the UV source 26 is reflected.
  • the wall 18 has a UV-reflective
  • the UV radiation is directed either directly from the UV source 26 or indirectly via the UV-reflecting layer of the wall 18 and the closure element 30 to the discharge section 20 and in particular to the free end face 28.
  • the free end face 28 has a UV-absorbing layer, which prevents ver ⁇ that the incident UV radiation from
  • Discharge section 20 is reflected in the flow direction of the exiting water and thus can emerge with the closure element 30 open from the outlet piece 10i. Furthermore, the outlet piece 10 has a UV-scattering surface 40. In Darge ⁇ example presented, this is realized in that the
  • End face 28 is curved, so that the reflected UV radiation can not emerge or only to a small extent from the outlet piece 10i.
  • the device 12i is operated as follows. In a first mode, the closure member 30 is closed and the UV source 26 is activated. With the generated UV radiation, the delivery section 20 is irradiated and existing germs are activated in ⁇ .
  • the irradiation may be constant at a low intensity or discrete at an increased intensity.
  • a control not shown, is provided.
  • Dispensing section 20 The Dispensing section 20.
  • a second embodiment of the ⁇ lass Federations IO2 is shown.
  • the container 14 is just as little represented as a closure with which the outflow of water from the container 14 can be released and interrupted.
  • the wall 18 ei ⁇ NEN first portion 42 and a second portion 44 which are substantially parallel to each other and are connected to a third portion 46 distal to the container 14 with each other, so that a further annular space 48 is formed.
  • the second portion 44 extends with respect to the longitudinal axis L against ⁇ over the first portion 42 radially inwardly.
  • Guide element 52 partially projects with a projection 54 which extends parallel to the first and second sections 42,44 in ⁇ We sentlichen, in the further annular space 48 into it. As a result, a channel 50 is created, which from the water on the way to the discharge section 20 along the direction indicated by the arrows P3
  • the UV source 26 is located upstream of the guide 52.
  • the guide element 52 has a perpendicular to the longitudinal axis L extending portion 55, which are also provided with the UV-reflective layer 36.
  • the region 55 is disposed between the UV source 26 and the discharge portion 22 so as to shade the discharge portion 20. Consequently, no UV radiation can pass directly from the UV source to the delivery section 20 and exit from the device 12 2 .
  • Both the wall 18 and the guide element 52 are made of transparent material and have a UV-reflective layer 36 in sections.
  • the second portion 44 of the wall 18 has only be ⁇ nachbart to the third section 46, a reflective layer, so that the UV radiation 26 coming Zvi of the UV source ⁇ rule the UV-reflecting layers 36 of the first
  • Section 42 and the projection of the guide element to the third section 46 is directed, but can not escape from the outlet piece IO 2 .
  • the UV radiation is directed to the delivery section 20, traversing the second section 44.
  • the beam path is indicated by the arrow P 2 .
  • the first and third sections 42, 46 enclose an angle ⁇ which is chosen such that the UV radiation is directed as completely as possible to the delivery section 20.
  • a preferred angular range is between 0 and 70 °.
  • an LED 56 is further arranged, with which the outflowing water can be illuminated.
  • the color with which the water is illuminated is visible to the user and gives him information about whether the device 12 is functioning properly or not. So can
  • blue-illuminated water signal the proper function of the device 12, while red-illuminated water indicates a fault.
  • a sensor can be provided which measures the UV intensity emitted by the UV source 26. The UV intensity decreases with increasing operating time of the UV source 26. If the emitted UV intensity falls below a certain level, this can be an indication that the desired sterilization of the
  • Dispensing section 20 can no longer be adequately guaranteed. Red illuminated water thus gives the user an indication that the UV source 26 should be replaced. LIST OF REFERENCE NUMBERS

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

L'invention concerne une pièce de sortie pour un dispositif (12) pour le traitement de l'eau, ce dispositif (12) comprenant au moins une source de rayonnement ultraviolet (26) pour produire un rayonnement ultraviolet et la pièce de sortie (10) étant reliée au dispositif (12) de façon à permettre la circulation de l'eau. La pièce de sortie comprend une section de distribution (20) pour distribuer l'eau traitée à partir du dispositif (12); une paroi (18) pour diriger l'eau jusqu'à la section de distribution (20); et des moyens (17) pour réduire l'intensité du rayonnement ultraviolet sortant de la pièce de sortie (10). La paroi (18) présente une extrémité libre (24) et la section de distribution (20) est disposée en retrait de cette extrémité libre (24) d'une distance (A).
PCT/EP2012/053912 2011-03-08 2012-03-07 Pièce de sortie pour dispositif de traitement de liquide WO2012120041A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202011000503U DE202011000503U1 (de) 2011-03-08 2011-03-08 Auslassstück für eine Vorrichtung zum Aufbereiten einer Flüssigkeit
DE202011000503.8 2011-03-08

Publications (1)

Publication Number Publication Date
WO2012120041A1 true WO2012120041A1 (fr) 2012-09-13

Family

ID=44974143

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/053912 WO2012120041A1 (fr) 2011-03-08 2012-03-07 Pièce de sortie pour dispositif de traitement de liquide

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Country Link
DE (1) DE202011000503U1 (fr)
WO (1) WO2012120041A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11952293B2 (en) 2019-03-07 2024-04-09 International Water-Guard Industries Inc. Apparatus for disinfecting a fluid

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971947A (en) * 1974-12-19 1976-07-27 Lambert Douglas N Ultraviolet water purifier
GB2384238A (en) * 2003-02-22 2003-07-23 Stephen Neville Croft Sterilising a fluid using UV
WO2004071965A1 (fr) * 2003-02-14 2004-08-26 Kyoung Mok Kim Robinet de sterilisation et dispositif de purification de l'eau utilisant ce robinet
NL1023450C2 (nl) * 2003-05-16 2004-11-17 Nedap Nv Stand-alone waterdesinfectie-eenheid.
DE102007055449A1 (de) 2007-05-29 2008-12-04 Lutz Ehrlich Zapfstelle
DE102008040336A1 (de) 2008-07-10 2010-05-12 Brita Gmbh Vorrichtung zur Entkeimung von Wasser und Verwendung derselben
EP2282132A2 (fr) * 2004-06-18 2011-02-09 Ultra Violet Star Holding B.V. Vase à fleurs avec dispositif pour la désinfection de l'eau; procédé pour la désinfection de l'eau dans vases à fleur
DE102010028118A1 (de) 2009-06-30 2011-02-10 Samsung Electronics Co., Ltd., Suwon Kühlschrank und Wasserreinigungsvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20118359U1 (de) * 2001-11-13 2002-03-21 Ionox Wasser Technologie Gmbh Vorrichtung zum keimfreien Zapfen von Getränken
DE102008040335B4 (de) * 2008-07-10 2013-05-08 Brita Gmbh Vorrichtung zur Entkeimung von Wasser und Verwendung derselben

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971947A (en) * 1974-12-19 1976-07-27 Lambert Douglas N Ultraviolet water purifier
WO2004071965A1 (fr) * 2003-02-14 2004-08-26 Kyoung Mok Kim Robinet de sterilisation et dispositif de purification de l'eau utilisant ce robinet
GB2384238A (en) * 2003-02-22 2003-07-23 Stephen Neville Croft Sterilising a fluid using UV
NL1023450C2 (nl) * 2003-05-16 2004-11-17 Nedap Nv Stand-alone waterdesinfectie-eenheid.
EP2282132A2 (fr) * 2004-06-18 2011-02-09 Ultra Violet Star Holding B.V. Vase à fleurs avec dispositif pour la désinfection de l'eau; procédé pour la désinfection de l'eau dans vases à fleur
DE102007055449A1 (de) 2007-05-29 2008-12-04 Lutz Ehrlich Zapfstelle
DE102008040336A1 (de) 2008-07-10 2010-05-12 Brita Gmbh Vorrichtung zur Entkeimung von Wasser und Verwendung derselben
DE102010028118A1 (de) 2009-06-30 2011-02-10 Samsung Electronics Co., Ltd., Suwon Kühlschrank und Wasserreinigungsvorrichtung

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