EP2756878A1 - Dispositif d'aération et douche avec ce dispositif d'aération - Google Patents

Dispositif d'aération et douche avec ce dispositif d'aération Download PDF

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Publication number
EP2756878A1
EP2756878A1 EP13199201.8A EP13199201A EP2756878A1 EP 2756878 A1 EP2756878 A1 EP 2756878A1 EP 13199201 A EP13199201 A EP 13199201A EP 2756878 A1 EP2756878 A1 EP 2756878A1
Authority
EP
European Patent Office
Prior art keywords
air
shower
connection portion
water
suction passage
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
EP13199201.8A
Other languages
German (de)
English (en)
Other versions
EP2756878B1 (fr
Inventor
Gerhard Nikles
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.)
Nikles Tec Italia SRL
Original Assignee
Nikles Tec Italia 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
Application filed by Nikles Tec Italia SRL filed Critical Nikles Tec Italia SRL
Publication of EP2756878A1 publication Critical patent/EP2756878A1/fr
Application granted granted Critical
Publication of EP2756878B1 publication Critical patent/EP2756878B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084—Jet regulators with aerating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid
    • 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

Definitions

  • the present invention relates to an assembly for the aeration and dispensing of a flow of water, and an aerator device usable in such assembly.
  • the present invention falls within such context, setting out to provide an assembly and an aerator device able to overcome the aforementioned drawbacks, and in particular to provide an aerator device specifically configured to be inserted in any traditional shower or hand-held shower, without it needing to specially predisposed for such application.
  • reference numeral 1 globally denotes an assembly for the aeration and dispensing of a water flow in the form of a jet.
  • Such assembly comprises a shower which distally defines nozzles (not shown) for the dispensing of a plurality of jets, and which comprises a shower body 2 ending proximally with a connection portion 4, for example a tubular connection body.
  • distal will be understood to mean the components of the assembly facing or positioned towards the shower nozzles, in relation to a main direction of extension X of said shower; conversely, the term “proximal” is understood to mean the directions or portions positioned on the opposite side, that is to say towards a water supply tube of said shower.
  • proximal is understood to mean the directions or portions positioned on the opposite side, that is to say towards a water supply tube of said shower.
  • radial will be used with reference to such direction of extension X.
  • the shower and/or the shower body 2 extend along such direction X between a proximal portion and a distal portion.
  • the shower comprises at least one grippable portion 50 to be manually directed by a user, such grippable portion extending distally from the connection portion 4.
  • the grippable portion 50 is a narrowed part of the shower body 2, to be ergonomic in relation to the hand of a user thereof, who may thereby easily manoeuvre it.
  • the shower ends with an enlarged portion, at least compared to the shower body proximal thereto, at which the nozzles are made.
  • enlarged portion comprises (for example underneath) a plate which delimits a plurality of nozzle apertures.
  • the plate which delimits the nozzles is dimensionally equal (or even smaller) to the grippable portion 50 proximal thereto.
  • the assembly 1 further comprises a water supply tube 6 of the nozzles mechanically constrained to the connection portion 4 by means of a blocking component 8.
  • the blocking component 8 comprises a blocking nut or bush, which defines a component seat 52 (for example a through hole) crossed by the water supply tube 6.
  • the blocking nut defines an outer surface 54 tapered in a proximal direction.
  • an area 60 of the outer surface 54 may be shaped in a complementary manner to a tool, such as a spanner, to facilitate the assembly/dismantling of the tube to/from the shower body.
  • such nut defines an inner surface 56 which forms a step or a narrowing 58 of the component seat 52, which extends radially inwards to retain the water supply tube 6 (or tube fitting 30 connected thereto) at least in an axial direction.
  • the supply tube 6 has at least one flexible part and, even more preferably, comprises a flexible hose.
  • connection portion 4 and the blocking component 8 have complementary coupling means to perform the aforesaid constraint.
  • the complementary coupling means comprise corresponding threaded portions 12 made on the connection portion 4 (for example externally) and on the blocking component 8 (for example internally).
  • the assembly 1 further comprises an aerator device 10 partially interposed/inserted between the connection portion 4 and the supply tube 6 to create an air-suction passage; such device 10 delimits a mixing chamber 14 of the water entering the shower body 2 and a flow of external air (in particular external to the body 2) transiting through the air-suction passage.
  • Such air-suction passage also comprises a space 16 comprised between the complementary coupling means, and in particular delimited between them.
  • a water-transit passage 38 and the air-suction passage merge inside the mixing chamber 14 to aerate the flow of fluid destined to come out of the nozzles.
  • the interposition of the aerator device is not so as to seal both to the shower body and to the supply tube; such device is instead configured to realise therein a section of the air-suction passage towards the mixing chamber, and preferably to create such passage between itself and the shower body.
  • the aerator device 10 abuts proximally onto the supply tube 6 or a relative tube fitting 30 so as to seal it.
  • the aerator device prevents the complementary coupling means from clinching together in an airtight manner, but instead favours the creation of a space or interstice through which the external air flows to reach the mixing chamber.
  • the complementary coupling means form, by interacting, the mechanical connection between the supply tube and the connection portion; at the same time, the space enclosed by such means during the coupling (for example extending in the form of a tubular or annular surface coaxial to the direction of extension X), acts as an air-suction passage to supply the mixing chamber.
  • the air-suction passage comprises the winding space 16 between the threads of said portions 12.
  • the specific conformation of the aerator device makes it possible to create the air-suction passage as discussed above.
  • an entrance aperture 66 (for example annular) of the external air into the air-suction passage through which such air flows inside the aerator device is created between the shower body and blocking component.
  • the air-suction passage comprises one or more sections 18, 20 delimited by a device surface 22, 24, 26 of the aerator device 10 and an opposite body surface 28 of the shower body 2.
  • the mixing chamber 14 communicates with the air-suction passage through at least one suction aperture 42 made in the aerator device, after which such passage extends longitudinally (for example parallel to the direction of extension X) between the device surface 22, 24 of the aerator device 10 and an opposite body surface 28 (shown schematically in figure 5 by means of a dotted line).
  • such passage extends for a radial section 20 between the thickness of the connection portion and a radial positioning ring 32 of the aerator device 10.
  • the air-suction passage of the air terminates externally through the entrance aperture 66.
  • the tube fitting 30 is partially inserted in the supply tube 6 and rests on the aerator device 10 by means of a gasket 62 or other suitable sealing means.
  • such tube fitting 30 comprises an annular lip 64, which extends radially externally from an outer surface of such fitting, and which advantageously interacts with the step or narrowing 58 made on the blocking component 8.
  • the aerator device 10 is partially inserted in the connection portion 4, and is provided with the projection or radial positioning ring 32 projecting externally to the shower body 2.
  • the supply tube 6 or the relative tube fitting 30 lie in abutment with the radial positioning ring 32 (optionally by means of the aforementioned gasket 62 or suitable sealing means).
  • the radial positioning ring 32 is axially distanced from the connection portion 4 (and in particular from the relative thickness) by means of one or more separation bosses 34, thereby delimiting a section 20 of the air-suction passage.
  • the presence of the separation bosses 34 makes it possible, independently of the force with which the complementary coupling means are tightened, to keep the air-suction passage open, that is to prevent the radial positioning ring 32 and the connection portion 4 from forming a sealed abutment with each other. Moreover, by means of such partial distancing, the space for the entrance aperture 66 is furthermore created.
  • the aerator device 10 comprises a device body 36 crossed by the water-transit passage 38, which communicates upstream with the supply tube 6 and downstream with the nozzles.
  • a sealing element 40 is preferably inserted, for example an O-ring or a gasket, to prevent a back flow of the water coming out of the mixing chamber 14.
  • the device body 36 delimits the suction aperture 42 for a fluidic communication between the air-suction passage and the mixing chamber 14; said aperture 42 is preferably positioned upstream of the sealing element 40 in relation to the transit direction T of the water.
  • the aerator device 10 comprises at least one limiting valve 44 of the flow of water towards the nozzles.
  • valve 44 is at least partially housed inside the device body 36. In the cross-section in figure 2 , such valve is completely housed in the aerator device 10.
  • the limiting valve 44 comprises a casing 46 which delimits a plurality of apertures for the transit of the water, and a ring in polymer material 48 housed in the casing 46.
  • the casing 46 has centrally a stem on which the ring in polymer material 48 is fitted on. This way, the ring remains in a specific position in relation to the casing which houses it.
  • the ring in polymer material 48 is suitable to be deformed by the flow of water in transit so as to reduce the cross-section of transit by means of at least one of such apertures.
  • the deformation or flattening of the ring will be that much greater the greater the speed of the flow through the valve and, consequently, the percentage of ring-aperture overlap will be increased as such speed increases.
  • the present invention further relates to an aerator device 10 for mixing air with a flow of water supplied by a supply tube 6 and coming out of a shower in the form of a jet.
  • the shower distally defines nozzles for the dispensing of a plurality of jets and comprises a shower body 2 ending proximally with a connection portion 4, the shower extending along a main direction of extension X.
  • the water supply tube 6 of the nozzles is suitable to be mechanically constrained to the connection portion 4 by means of a blocking component 8, where the connection portion 4 and the blocking component 8 have complementary coupling means, for example corresponding threaded portions 12.
  • the aerator device 10 is configured to be partially interposed between the connection portion 4 and the supply tube 6 to create an air-suction passage, and delimits a mixing chamber 14 of the water entering the shower body 2 and a flow of external air transiting through the air-suction passage, wherein the air-suction passage comprises a space 16 comprised (preferably delimited) between the complementary coupling means.
  • the assembly which the present invention relates to can be implemented in any existing dispensing system, without the shower or hand-held shower in which the aerator device is inserted having to be predisposed beforehand for such implementation.
  • the shower body is lacking through apertures through its thickness, unlike most traditional systems, so that the aerator device described (preferably in cartridge form) automatically provides for the creation of the passages and external air apertures needed.
  • the flow of water coming out of the nozzles possesses unrivalled toning properties, given the control of the flow combined with the aeration.
  • connection portion and the blocking component comprise threaded portions
  • other embodiments comprise a bayonet or pressure connection or the like in place of such means.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • 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)
  • Nozzles (AREA)
EP13199201.8A 2013-01-22 2013-12-20 Dispositif d'aération et douche avec ce dispositif d'aération Not-in-force EP2756878B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000004A ITBS20130004A1 (it) 2013-01-22 2013-01-22 Organo aeratore, e doccia comprendente tale aeratore

Publications (2)

Publication Number Publication Date
EP2756878A1 true EP2756878A1 (fr) 2014-07-23
EP2756878B1 EP2756878B1 (fr) 2016-05-25

Family

ID=47953476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13199201.8A Not-in-force EP2756878B1 (fr) 2013-01-22 2013-12-20 Dispositif d'aération et douche avec ce dispositif d'aération

Country Status (2)

Country Link
EP (1) EP2756878B1 (fr)
IT (1) ITBS20130004A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015004825U1 (de) 2015-07-07 2016-10-10 Neoperl Gmbh Sanitäre Kupplung
DE102015008747A1 (de) 2015-07-07 2017-01-12 Neoperl Gmbh Sanitäre Kupplung
CZ306447B6 (cs) * 2015-09-15 2017-01-25 Wavitar s.r.o. Perlátor
GR20170100128A (el) * 2017-03-30 2018-10-31 Ευαγγελος Παναγη Φαβας Μεθοδος και συσκευη παραγωγης νανοφυσαλιδων
CN110030448A (zh) * 2019-05-21 2019-07-19 上饶市圣麦司科技有限公司 一种水龙头伸缩出水管

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090007829U (ko) * 2008-01-29 2009-08-03 문지연 역류 방지구조를 갖는 절수기
WO2011007983A2 (fr) * 2009-07-16 2011-01-20 주식회사 동아아이디 Douche équipée de moyens de commande à économie d'eau par pas
CN201720146U (zh) 2010-01-07 2011-01-26 曲伟 节水型手持式淋浴头
CN202045036U (zh) 2011-04-22 2011-11-23 厦门洁朗卫浴有限公司 一种花洒手柄水路的改良结构
US20120248221A1 (en) * 2009-10-26 2012-10-04 Ohshima Kogyo Co., Ltd. Water saving valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090007829U (ko) * 2008-01-29 2009-08-03 문지연 역류 방지구조를 갖는 절수기
WO2011007983A2 (fr) * 2009-07-16 2011-01-20 주식회사 동아아이디 Douche équipée de moyens de commande à économie d'eau par pas
US20120248221A1 (en) * 2009-10-26 2012-10-04 Ohshima Kogyo Co., Ltd. Water saving valve
CN201720146U (zh) 2010-01-07 2011-01-26 曲伟 节水型手持式淋浴头
CN202045036U (zh) 2011-04-22 2011-11-23 厦门洁朗卫浴有限公司 一种花洒手柄水路的改良结构

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015004825U1 (de) 2015-07-07 2016-10-10 Neoperl Gmbh Sanitäre Kupplung
WO2017005336A1 (fr) 2015-07-07 2017-01-12 Neoperl Gmbh Raccord sanitaire
DE102015008747A1 (de) 2015-07-07 2017-01-12 Neoperl Gmbh Sanitäre Kupplung
US10400432B2 (en) 2015-07-07 2019-09-03 Neoperl Gmbh Sanitary coupling
CZ306447B6 (cs) * 2015-09-15 2017-01-25 Wavitar s.r.o. Perlátor
GR20170100128A (el) * 2017-03-30 2018-10-31 Ευαγγελος Παναγη Φαβας Μεθοδος και συσκευη παραγωγης νανοφυσαλιδων
CN110030448A (zh) * 2019-05-21 2019-07-19 上饶市圣麦司科技有限公司 一种水龙头伸缩出水管

Also Published As

Publication number Publication date
EP2756878B1 (fr) 2016-05-25
ITBS20130004A1 (it) 2014-07-23

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