EP1678381A1 - Duschsystem und brausekopf und verfahren zur reinigung eines duschsystems - Google Patents
Duschsystem und brausekopf und verfahren zur reinigung eines duschsystemsInfo
- Publication number
- EP1678381A1 EP1678381A1 EP04788502A EP04788502A EP1678381A1 EP 1678381 A1 EP1678381 A1 EP 1678381A1 EP 04788502 A EP04788502 A EP 04788502A EP 04788502 A EP04788502 A EP 04788502A EP 1678381 A1 EP1678381 A1 EP 1678381A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shower
- space
- flushing
- filter tube
- shower head
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/021—Devices for positioning or connecting of water supply lines
- E03C1/023—Devices for positioning or connecting of water supply lines with flow distribution, e.g. diverters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/0408—Water installations especially for showers
Definitions
- the invention relates to a shower system provided with at least one shower head.
- a shower system provided with at least one shower head.
- Such a system is known from the German Of enlegungsschrift DE 101 15 633.
- the shower system can be used for showering, while shower water is guided via a shower water supply to the at least one shower head.
- the known system is provided with a filter for filtering bacteria from water supplied to the shower head.
- bacteria are often fed to the shower head continuously, and comprise, for instance, bacteria which are supplied from an upstream part of the system and/or bacteria which have stuck to the insides of the shower head and the pipe system and which occasionally dislodge.
- the filter comprises a number of filter tubes provided with porous tube walls.
- An advantage of the known system over, for instance, a shower system known from GB 2 267 664 is that, during use of the shower, the filter can continuously prevent a bacteriological contamination by, for instance, Legionella bacteria. Such contamination can be perilous to the health of users of the shower system.
- a disadvantage of this system known from DE 101 15 633 is that the filter becomes clogged easily which hinders through- flow of shower water. Moreover, in time, at least after a particular period of use, a relatively large amount of bacteria, in particular Legionella bacteria, can accumulate in the filter. According to DE 101 15 633, clogging of the filter can be prevented by providing the filter as a disposable filter. However, replacing the filter is disadvantageous with respect to associated costs.
- the present invention contemplates obviating the drawbacks of the known system while maintaining its advantages.
- the invention contemplates providing a shower system which is relatively safe in use.
- the system is characterized to this end by the features of claim 1.
- the shower system provided by the invention comprises at least one shower head.
- This shower head comprises at least one filter tube with a porous wall for separating at least one filtering space from a collecting space such that water supplied to the filtering space is passed substantially free of bacteria via the tube wall to the collecting space, at least during use of the shower.
- the system is provided with flushing means for flushing the filtering space for the purpose of removing bacteria which may have accumulated in this space.
- the flushing means are provided with a liquid supply and a liquid discharge, an upstream end of the filtering space being coupled to the liquid supply and a downstream end of the filtering space being coupled to the liquid discharge.
- the flushing means are well able to prevent bacteria from accumulating in the shower head, at least in the filtering space.
- the flushing means are designed for flushing the filtering space automatically, preferably regularly, in particular during a particular period of flushing before and/or after use of the shower.
- the flushing means can be provided with, for instance, regulating means and/or a control.
- a timer can be provided for activating and deactivating the flushing means at desired moments. It is preferred that flushing the filtering space is carried out simply with water, which is relatively safe and inexpensive in relation to the use of chemical cleaners.
- the shower system known from British patent application GB 2 267 664 is provided with only one shower head, which is provided with means for flushing static water, having loose bacteria therein, from the head or from an upstream pipe.
- Flushing pipes for removing loose Legionella bacteria therefrom is known; however, such flushing does not solve the problem that during showering too, bacteria can dislodge and can cause contamination.
- bacteria are still fed to a user, notably bacteria present further upstream in the system and/or which have stuck to the insides of the pipe system and which occasionally dislodge.
- specific flushing of the filtering space, separately from the collecting space is not known from GB 2 267 664.
- the very use of the filter in combination with flushing the filtering space yields a highly reliable contamination free shower system, which shower system, moreover, is of relatively inexpensive design while use of the filter is safe.
- the flushing means are provided with a liquid supply and a liquid discharge, an upward end of the filtering space being coupled the liquid supply, and a downstream end of the filtering space being coupled to the liquid discharge.
- the liquid supply can comprise, for instance, a water supply of the shower system.
- An advantageous embodiment of the invention is characterized by the features of claim 2. As the liquid supply is separated from the at least one shower water outflow opening, flushing liquid contaminated by bacteria is prevented from leaving the shower head via this outflow opening and from contaminating a surroundings. Further, the invention provides a shower head characterized by the features of claim 15.
- this shower head can supply clean, relatively bacteria free, in particular Legionella free, water.
- the shower head can be flushed in simple manner for removing contaminations present in the filtering space from the shower head.
- the invention relates to a method for cleaning a shower system, which method is characterized by the features of claim 16. As the filtering space is flushed with liquid, bacteria which may be present in that space can be removed well from the at least one shower head. Therefore, the system can be used safely for a relatively long period of time. Preferably, the filtering space is flushed before and/or after use of the shower. Further elaborations of the invention are described in the subclaims. Presently, the invention will be clarified with reference to an exemplary embodiment and the Figures.
- Fig. 1 shows a schematic drawing of an exemplary embodiment of the invention
- Fig. 2 shows a schematic cross-section of a part of a shower head of the system represented in Fig. 1.
- Fig. 1 shows an exemplary embodiment of a shower system provided with a shower water supply 9 and a shower head 1 coupled to this supply 9.
- the system is further provided with a liquid discharge 8 coupled, to the shower head 1.
- the water supply 9 comprises a mixing valve 11 for mixing supplied hot and cold shower water.
- the shower head 1 is provided with a number of membrane filter tubes 2, one of which is represented in the Figures.
- the filter tube 2 extends at least through a water collecting space 5 surrounded by the shower head 1. Each filter tube 2 is rolled up in the shower head. 1 such that the filter tube is substantially integrated in the shower head 1.
- the filter tube 2 serves for filtering bacteria from shower water supplied to the shower head 1.
- the water collecting space 5 is bound by a plate having a number of shower water outflow openings 6.
- various outflow openings 6 have been represented.
- the shower head 1 can also be provided with only one outflow opening 6.
- Fig. 2 shows the shower head 1 in more detail.
- the rolled up filter tube 2 is provided with a number of channels 3 extending in longitudinal direction of the tube, together providing a water filtering space.
- the channels 3 are surrounded by a tube wall 4 of the filter tube 2.
- An " upstream open end of the filter tube 2, at least of the channels 3, comprises a water inlet 13 coupled to the water supply 9.
- a downstream open end of the filter tube 2, at least of the channels 3, comprises a water outlet 14 coupled to the liquid discharge 8.
- the tube wall 4 of the filter tube 2 serves for separating the channels 3 and the collecting space 5 from each other si ch that water, supplied to the channels 3, can be passed substantially bacteria free, in particular Legionella free, via the tube wall 4 to the collecting space 5, at least during use of the shower.
- the tube 4 is of porous design.
- the passage of water is indicated in Fig. 2 with arrows A.
- the tube wall 4 of the filter tube 2 is provided with pores having a pore size, at least diameter, in the range of approximately 0.01 - 0.1 ⁇ m, more in particular in the range of approximately 0.02 - 0.04 ⁇ m. With such dimensions, the filter tube is well capable of filtering substantially all bacteria, among which the Legionella bacteria, from the water.
- an outside of the filter tube 2 has a total surface of at least approximately 0.1 m 2 , more in particular at least approximately 0.4 m 2 .
- the filter tube is designed for filtering approximately at least approximately 0.3 m 3 of water per hour, at a water pressure of supplied shower water of at least approximately 0.1 bar.
- showering with the system is relatively comfortable.
- the system is further provided with flushing means 8, 10 for flushing the filter channels 3 for the purpose of removing one or more bacteria having accumulated in the channels 3.
- these flushing means comprise the liquid supply 9 and the liquid discharge 8.
- the liquid discharge 8 is provided with operable closing means 11 for closing off the liquid discharge 8.
- closing means 10 can be designed in different manners and can be, for instance, manually controllable, automatically controllable under the influence of water flowing through the system, in particular through the discharge, a thermostatically operable valve, a manually operable valve, a check valve and/or the like.
- a thermostop can be used closing off the discharge 8 under the influence of hot shower water.
- the closing means 10 of the discharge 8 are closed, so that no discharge of liquid is possible via the outlet 14 of the shower head 1.
- shower water can then be fed via the water supply 9 and the inlet 13 to the channels 3 of the filter tube 2 extending through the shower head 1.
- the supplied water then flows from the filter channels 3 through the porous tube wall 4 into the collecting chamber 5 and, via the outflow openings 6, to a surroundings, which is represented in Fig. 2 with arrows A and B.
- the tube wall 4 then filters the bacteria from the shower water.
- the bacteria and any other contaminations remain behind in the filter channels 3 of the shower head 1 and/or shower water supply 9.
- these filter means 4 are present at least in the shower head 1, being the last, most downstream location of the shower system where the shower water is present, a relatively safe shower system is obtained.
- the closing means 10 of the flushing water discharge 8 are opened.
- the flushing is carried automatically, so that in a simple manner a self-cleaning filter is obtained.
- the filter tube 2 can be designed in various manners, in various shapes and of various materials.
- the filter tube 2 can be provided with one or more channels 3.
- the supplied flushing water can, for instance, be completely or partially discharged via the liquid discharge. In the latter case, a part of the flushing liquid can flow via the filter wall to the collecting space, the filter wall preventing the bacteria from reaching the collecting space.
- the shower outflow openings and/or collecting space can, for instance, be closable for preventing such flow of flushing liquid via the filter tube wall.
- the liquid supply 9 and the liquid discharge 8 can be provided and designed in various manners.
- the liquid supply and/or discharge can be entirely or partly integrated in a wall, ceiling and/or shower rod.
- the liquid discharge 8 can for instance be included wholly or partly with the shower water supply 9 in one housing.
- the supply 9 and the discharge 8 can for instance be provided in one hose or the like.
- the filtering space 3 can for instance be surrounded by the filter tube 2, while the collecting space 5 is located outside the filter tube 2.
- the collecting space can for instance be surrounded by the filter tube while the filtering space is located outside the filter tube.
- flushing the filter tube 2 can for instance be done before, during and/or after use of the shower.
- the flushing liquid can for instance comprise water and/or a different liquid.
- the system can be provided with, for instance, various liquid supplies, for instance one for shower water and one for flushing water.
- the shower heaxl 1 can be designed in different manners.
- the shower head 1 can comprise one or more shower water outflow openings 6.
- the outflow openings 6 can each be formed in a different manner.
- the shower head 1 can for instance be provided with a drop former to prevent the water collected in the water collecting space 5 from atomizing, and promote drop formation.
- Such a drop former can for instance comprise a conical body disposed in the water collecting space 5.
- a shower head with conical body is known per se from practice.
- the shower water supply 9 itself can for instance be provided with filtering means, in particular with membrane filter tubes for filtering bacteria from supplied water.
- each filter tube 2 can be substantially integrated in the shower head 1 or also, for instance, extend partly in the liquid supply 9, which is indicated in Fig. 1 with reference numeral 2'.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1024294A NL1024294C2 (nl) | 2003-09-15 | 2003-09-15 | Douchesysteem, alsmede een douchekop en een werkwijze voor het reinigen van een douchesysteem. |
PCT/NL2004/000625 WO2005026456A1 (en) | 2003-09-15 | 2004-09-10 | Shower system, and a shower head and a method for cleaning a shower system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1678381A1 true EP1678381A1 (de) | 2006-07-12 |
EP1678381B1 EP1678381B1 (de) | 2008-09-03 |
Family
ID=34309604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04788502A Expired - Lifetime EP1678381B1 (de) | 2003-09-15 | 2004-09-10 | Duschsystem und brausekopf und verfahren zur reinigung eines duschsystems |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1678381B1 (de) |
AT (1) | ATE407267T1 (de) |
DE (1) | DE602004016365D1 (de) |
ES (1) | ES2314456T3 (de) |
NL (1) | NL1024294C2 (de) |
PT (1) | PT1678381E (de) |
WO (1) | WO2005026456A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005020799A1 (de) * | 2005-04-28 | 2006-11-02 | Karl Spiegl | Reinigungsvorrichtung |
DE102007052088A1 (de) | 2007-10-31 | 2009-05-07 | M. Mannesmann Gmbh & Co. Kg | Membranfilter zur Erzeugung keimfreien Wassers |
DE202008003748U1 (de) | 2008-03-17 | 2009-08-06 | M. Mannesmann Gmbh & Co. Kg | Duschsystem mit einem Membranfilter |
EP2497749A1 (de) | 2011-03-10 | 2012-09-12 | Johs. Tandrup Metalvarefabrik APS | Installationsvorrichtungen |
NL2014367B1 (en) * | 2015-02-27 | 2016-10-14 | Ludovicus Van Hecke Antonius | Dental unit, use thereof, system, and method for cleaning a dental care system. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2267664B (en) * | 1992-05-12 | 1996-09-04 | Peter John Rawlings | A shower |
GB9914755D0 (en) * | 1999-06-24 | 1999-08-25 | Wilkes Ian P | Water treatment apparatus |
US6214224B1 (en) * | 1999-06-28 | 2001-04-10 | David K. Farley | Filtered showerhead |
DE10115633A1 (de) * | 2001-03-23 | 2002-09-26 | Fuma Tech Gmbh | Gewinnung von im wesentlichen keimfreiem Wasser |
-
2003
- 2003-09-15 NL NL1024294A patent/NL1024294C2/nl not_active IP Right Cessation
-
2004
- 2004-09-10 ES ES04788502T patent/ES2314456T3/es not_active Expired - Lifetime
- 2004-09-10 EP EP04788502A patent/EP1678381B1/de not_active Expired - Lifetime
- 2004-09-10 WO PCT/NL2004/000625 patent/WO2005026456A1/en active Application Filing
- 2004-09-10 PT PT04788502T patent/PT1678381E/pt unknown
- 2004-09-10 AT AT04788502T patent/ATE407267T1/de not_active IP Right Cessation
- 2004-09-10 DE DE602004016365T patent/DE602004016365D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2005026456A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005026456A1 (en) | 2005-03-24 |
DE602004016365D1 (de) | 2008-10-16 |
ES2314456T3 (es) | 2009-03-16 |
EP1678381B1 (de) | 2008-09-03 |
PT1678381E (pt) | 2008-12-16 |
ATE407267T1 (de) | 2008-09-15 |
NL1024294C2 (nl) | 2005-03-16 |
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