EP2260945B1 - Shower head - Google Patents

Shower head Download PDF

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Publication number
EP2260945B1
EP2260945B1 EP20100164491 EP10164491A EP2260945B1 EP 2260945 B1 EP2260945 B1 EP 2260945B1 EP 20100164491 EP20100164491 EP 20100164491 EP 10164491 A EP10164491 A EP 10164491A EP 2260945 B1 EP2260945 B1 EP 2260945B1
Authority
EP
Grant status
Grant
Patent type
Prior art keywords
shower head
water
suction pipe
suction
head according
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.)
Active
Application number
EP20100164491
Other languages
German (de)
French (fr)
Other versions
EP2260945A1 (en )
Inventor
Leonardo Bossini
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.)
Bossini SpA
Original Assignee
Bossini SpA
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
Grant date

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, 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
    • B05B1/18Roses; Shower heads
    • B05B1/185Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/04Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425Spray 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/10Spray pistols; Apparatus for discharge producing a swirling discharge

Description

  • . The present invention relates to a shower head suitable for evacuating the residual water from the distribution chamber after using the shower.
  • . Recently, a number of shower heads of considerable size and with clean lines have become considerably popular. Such shower heads, e.g. as disclosed in US 2006/163391 A1, DE 10313822 A1, DE 102004056070 A1, JP 2009279484 A, US 2002/100818, DE 102006013881 A1, are made from circular, square or rectangular plates coupled so as to form a distribution chamber, supplied with water; the lower plate is provided with openings, for example defined by flexible nozzles, for dispensing the jets.
  • . Given the size of such shower heads, after use a considerable amount of water remains in the distribution chamber in an unstable condition which does not come out of the openings.
  • . Due to misalignment in assembling the shower head, which is often not perfectly horizontal, or as a result of vibrations transmitted to the shower head from the pipes in the household distribution system, the residual water tends to drip out for a long time before completely emptying.
  • . In the quiet of the night such dripping is often heard by the user, disturbing him/her, who associates it with malfunctioning of the shower, for
  • example a leak.
  • . The purpose of the present invention is to make a shower head suitable for overcoming the drawbacks mentioned and specifically suitable for evacuating the residual water from the distribution chamber after using the shower.
  • . Such purpose is achieved by a shower head made according to claim 1. The dependent claims describe further embodiments.
  • . The features and advantages of the shower head according to the present invention will be clear from the description below, made as a non-limiting example, according to the attached figures, wherein:
    • figure 1 shows a cross-section view of a shower head according to a preferred embodiment of the present invention;
    • figures 2a and 2b show two perspective views of some shower head components; and
    • figures 3a to 5b show embodiments of a vortex-making element of the shower head according to the present invention.
  • . According to the attached figures, reference numeral 1 globally indicates a shower head.
  • . The shower head 1 comprises a casing inside which a distribution chamber 2 is defined.
  • . The casing comprises a lower wall 4 provided with through openings 6 for dispensing jets of water. For example, the shower head 1 comprises a plurality of flexible nozzles 10, which cross the lower wall and define the dispenser openings 6.
  • . The casing further comprises an upper wall 8 connectable to the water supply system for the entry of the water. The distribution chamber 2 is defined between the coupled lower wall and upper wall.
  • . For example, the lower wall 4 and the upper wall 8 are flat and parallel plates.
  • . The shower head 1 further comprises suction means for the entry of air into the distribution chamber. Said suction means comprise a suction pipe 12, which preferably extends in an axial direction X perpendicular to the lower plate.
  • . The suction pipe 12 crosses the upper wall 8 of the casing and at a first extremity is connected to the outside environment through a suction opening 14 protruding above the upper wall 8.
  • . In addition, the suction pipe 12 crosses the distribution chamber 2 and comes out on the outside at a second extremity, through the lower wall 4.
  • . The suction pipe 12 has an internal section 16 which crosses the distribution chamber 2 in the direction of the height of the latter (axial direction X), and an external section 18, continuation of the internal section, protruding above the upper wall 8 of the casing.
  • . Preferably, the ratio between the length of the external section 18 and the length of the internal section 16 is between 1 and 5, preferably 2 to 4, preferably equal to 3,5.
  • . Preferably, the suction pipe 12, at the second extremity, comprises an attachment head 20 abutting on the outer surface of the lower plate 4. For example, the head 20 is threaded on the outside, for connection with the lower plate.
  • . Preferably, in addition, the attachment head 20 comprises an annular seat 22 to house a sealing O-ring, compressed against the outer surface of the lower plate 4.
  • . According to a preferred embodiment, the shower head 1 comprises a tubular attachment flange 24 having a supply opening 26 for the entry of the water. The suction pipe 12 is inside the attachment flange 24, for example concentric to the flange in relation to the axial direction X.
  • . Preferably, the flange 24 comprises an axial body 27 having an axial extension, protruding from the upper plate, and a crown 28, projecting radially from the axial body 27; the outer upper surface of the crown 28 abuts with the inner surface of the upper plate 8.
  • . The flange 24 has internally, in an axial direction and in the transit direction of the water, a cylindrical surface 30 and a flaring 32 which widens towards the distribution chamber 2.
  • . Preferably, furthermore, the shower head 1 comprises an attachment ring nut 34, internally threaded, for screwing to the flange 24, and in particular to the axial body 27 of the same, above the upper wall 8, so as to block it to the upper wall.
  • . According to a preferred embodiment, the shower head 1 comprises deviator means at the suction opening 14 of the suction pipe 12, suitable for deviating the incoming water so as to pass externally to the suction pipe 12.
  • . The deviator means comprise a vortex-making element 40 suitable for making the water passing externally to the suction pipe 12 rotate in a vortex.
  • . Preferably, the vortex-making element 40 is supported by the free extremity of the attachment flange 24 so as to be positioned above the suction opening 14 of the suction pipe 12.
  • . Preferably, the deviator means, for example the vortex-making element 40, comprise an inner chamber 42 closed at the top, positioned above the suction opening 14 to protect it from the entry of water and preferably an external annular chamber 44, around the inner chamber 42, equipped with passages for the vortical transit of the water. For example the passages are defined by a plurality of inclined blades 46, positioned in the external annular chamber 44 to produce a vortical movement of the transiting water.
  • . Further embodiments of the vortex-making element 40 envisage holes 50 with a helical pattern (figures 4a, 4b).
  • . Advantageously, the vortex-making element gives the incoming water a vortical movement which facilitates and increases the suction of air through the suction pipe 12.
  • . During normal functioning of the shower head, the incoming water reaches the supply opening 26 of the flange 24 and crosses the vortex-making element 40 acquiring a vortical movement. The water passes inside the flange 24, externally to the suction pipe 12, thanks to the cover formed by the inner chamber 42 closed at the top.
  • . The passage of the water outside the suction pipe 12, so as to lap the latter, generates a suction of air through the suction pipe itself; the air passes inside the pipe from the opening on the external surface of the lower wall 4, crosses the suction opening and, together with the water itself, is brought into the distribution chamber.
  • . When the water is turned off, the water remaining in the distribution chamber evacuates quickly through the dispenser openings 6, since the suction of air through the suction pipe allows the remaining water to drain out.
  • . Some laboratory tests have shown how in one or two minutes all the water contained in the distribution chamber is drained off.
  • . Innovatively, the shower head according to the present invention makes it possible to rapidly evacuate the remaining water from the distribution chamber after use, preventing annoying and persistent dripping.
  • . Advantageously, in addition, the shower head makes it possible to combine air with the incoming water to obtain aerated jets during normal functioning.
  • . It is clear that a person skilled in the art may make changes to the shower head described above so as to satisfy contingent requirements while remaining within the scope of protection as defined by the following claims.

Claims (10)

  1. Shower head (1) comprising a casing comprising:
    - a lower wall (4) provided with a plurality of dispenser openings (6) towards the outside for dispensing jets of water;
    - an upper wall (8), coupled to the lower wall (4) for defining an internal distribution chamber (2), connectable to a water inlet pipe;
    - suction means (12, 14) for the entry of air into the distribution chamber (2), wherein the suction means (12, 14) comprise a suction pipe (12) which crosses the upper wall of the casing and at a first extremity is connected with the outside environment through a suction opening (14) protruding above the upper wall (8) of the casing;
    - deviator means at the suction opening (14) of the suction pipe (12), suitable for deviating the incoming water so as to pass externally to the suction pipe (12); said shower head being characterized in that the deviator means comprise a vortex-making element (40), suitable for making the water passing externally to the suction pipe (12) rotate in a vortex, said element (40) comprising an inner chamber (42) closed at the top, positioned above the suction opening (14) to protect it from entry of water, and an external annular chamber (44), around the inner chamber (42); provided with passages for the vortical transit of water.
  2. Shower head according to claim 1, wherein the suction pipe (12) crosses the distribution chamber (2) and comes out to the outside, at the second extremity, through the lower wall (4).
  3. Shower head according to claim 2, wherein the suction pipe (12); at the second extremity, comprises an attachment head (20) abutting on the outer surface of the lower wall (4), for example threaded, for connection to the lower wall (4).
  4. Shower head according to claim 3, wherein the attachment head (20) comprises an annular seat (22) for the lodging of a sealing O-ring, in compression on the outer surface of the lower wall (4).
  5. Shower head according to any of the previous claims, wherein the suction pipe (12) has an internal section (16) which traverses the distribution chamber (2) in the direction of the height of the latter, and an outer section (18), continuation of the internal section (16), protruding above the upper wall (8) of the casing, in which the ratio of the length of the outer section (18) and the length of the internal section (16) is between 1 and 5; preferably between 2 and 4; preferably equal to 3,5.
  6. Shower head according to any of the previous claims, comprising an attachment flange (24) having a supply opening (26) for the entry of the water, wherein the suction pipe (12) is inside the attachment flange (24), for example concentric. '
  7. Shower head according to any of the previous claims, wherein the vortex-making element is supported by the attachment flange (24) so as to be positioned above the suction opening (14) of the suction pipe (12).
  8. Shower head according to any of the previous claims, wherein the vortex-making element further comprises:
    b) a plurality of inclined blades (46), positioned in the external annular chamber (44) to produce a vortical movement of the passing water.
  9. Shower head according to any of the previous claims, comprising a plurality of soft nozzles (10) defining the dispenser openings of the jets.
  10. Shower head according to any of the previous claims, wherein the lower wall (4) and the upper wall (8) are flat and parallel plates.
EP20100164491 2009-06-05 2010-05-31 Shower head Active EP2260945B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT1396875B1 IT1396875B1 (en) 2009-06-05 2009-06-05 Shower head

Publications (2)

Publication Number Publication Date
EP2260945A1 true EP2260945A1 (en) 2010-12-15
EP2260945B1 true EP2260945B1 (en) 2012-05-30

Family

ID=41652324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100164491 Active EP2260945B1 (en) 2009-06-05 2010-05-31 Shower head

Country Status (2)

Country Link
EP (1) EP2260945B1 (en)
ES (1) ES2389005T3 (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD641831S1 (en) 2009-10-05 2011-07-19 Water Pik, Inc. Showerhead
US8020788B2 (en) 2002-12-10 2011-09-20 Water Pik, Inc. Showerhead with enhanced pause mode
US8020787B2 (en) 2006-11-29 2011-09-20 Water Pik, Inc. Showerhead system
US8028935B2 (en) 2007-05-04 2011-10-04 Water Pik, Inc. Low flow showerhead and method of making same
US8109450B2 (en) 2006-11-29 2012-02-07 Water Pik, Inc. Connection structure for handheld showerhead
US8292200B2 (en) 2004-09-01 2012-10-23 Water Pik, Inc. Drenching showerhead
USD673649S1 (en) 2012-01-27 2013-01-01 Water Pik, Inc. Ring-shaped wall mount showerhead
US8348181B2 (en) 2008-09-15 2013-01-08 Water Pik, Inc. Shower assembly with radial mode changer
USD674050S1 (en) 2012-01-27 2013-01-08 Water Pik, Inc. Ring-shaped handheld showerhead
US8366024B2 (en) 2006-12-28 2013-02-05 Water Pik, Inc. Low speed pulsating showerhead
US8616470B2 (en) 2010-08-25 2013-12-31 Water Pik, Inc. Mode control valve in showerhead connector
US8794543B2 (en) 2006-12-28 2014-08-05 Water Pik, Inc. Low-speed pulsating showerhead
USD744065S1 (en) 2014-06-13 2015-11-24 Water Pik, Inc. Handheld showerhead
USD744064S1 (en) 2014-06-13 2015-11-24 Water Pik, Inc. Handheld showerhead
USD744066S1 (en) 2014-06-13 2015-11-24 Water Pik, Inc. Wall mount showerhead
USD744611S1 (en) 2014-06-13 2015-12-01 Water Pik, Inc. Handheld showerhead
USD744612S1 (en) 2014-06-13 2015-12-01 Water Pik, Inc. Handheld showerhead
USD744614S1 (en) 2014-06-13 2015-12-01 Water Pik, Inc. Wall mount showerhead
USD745111S1 (en) 2014-06-13 2015-12-08 Water Pik, Inc. Wall mount showerhead
US9404243B2 (en) 2013-06-13 2016-08-02 Water Pik, Inc. Showerhead with turbine driven shutter
USD803981S1 (en) 2016-02-01 2017-11-28 Water Pik, Inc. Handheld spray nozzle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5505700B2 (en) 2010-02-18 2014-05-28 Toto株式会社 Shower apparatus
JP5534416B2 (en) * 2010-02-18 2014-07-02 Toto株式会社 Shower apparatus
CN102366739B (en) * 2011-08-26 2013-08-28 厦门松霖科技有限公司 Residual water drainage and water suction non-return mechanism
WO2014057660A1 (en) * 2012-10-11 2014-04-17 パナソニック株式会社 Shower head
CN103769315B (en) * 2012-10-19 2016-12-28 厦门松霖科技有限公司 Easy to disassemble a tear-shower

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10103649B4 (en) * 2001-01-27 2007-12-06 Hansgrohe Ag shower head
DE10313823A1 (en) * 2002-12-12 2004-07-15 Hansgrohe Ag Shower head with air input, e.g. for personal hygiene,
DE50306464D1 (en) * 2002-12-12 2007-03-22 Hansgrohe Ag Shower with air supplying
CN100460081C (en) * 2004-09-29 2009-02-11 Toto株式会社 Showerhead
DE102004056070A1 (en) * 2004-11-15 2006-05-18 Hansgrohe Ag Sanitary shower head has jet disk, multitude of jet withdrawal elements and cover plate having openings whereby cover plate covers the jet disk outward and is fastenable at jet disk
DE102004059328A1 (en) * 2004-12-01 2006-06-08 Hansgrohe Ag Shower head for a sanitary shower
DE102006013881A1 (en) * 2006-03-25 2007-10-04 Schneider, Siegfried Water-saving shower head producing device, has control aperture connected with holes at outer housing by combined air inlet and water outlet apertures, where water-air mixture is formed with water turbulence in connection with air
JP5197150B2 (en) * 2008-05-20 2013-05-15 株式会社Lixil Shower head and shower unit

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8905332B2 (en) 2002-12-10 2014-12-09 Water Pik, Inc. Dual turbine showerhead
US8020788B2 (en) 2002-12-10 2011-09-20 Water Pik, Inc. Showerhead with enhanced pause mode
US8292200B2 (en) 2004-09-01 2012-10-23 Water Pik, Inc. Drenching showerhead
US8020787B2 (en) 2006-11-29 2011-09-20 Water Pik, Inc. Showerhead system
US8109450B2 (en) 2006-11-29 2012-02-07 Water Pik, Inc. Connection structure for handheld showerhead
US8132745B2 (en) 2006-11-29 2012-03-13 Water Pik, Inc. Showerhead with tube connectors
US8366024B2 (en) 2006-12-28 2013-02-05 Water Pik, Inc. Low speed pulsating showerhead
US8794543B2 (en) 2006-12-28 2014-08-05 Water Pik, Inc. Low-speed pulsating showerhead
US8146838B2 (en) 2006-12-29 2012-04-03 Water Pik, Inc. Handheld showerhead with mode control in handle
US8584972B2 (en) 2006-12-29 2013-11-19 Water Pik, Inc. Handheld showerhead with fluid passageways
US8028935B2 (en) 2007-05-04 2011-10-04 Water Pik, Inc. Low flow showerhead and method of making same
US8371618B2 (en) 2007-05-04 2013-02-12 Water Pik, Inc. Hidden pivot attachment for showers and method of making same
US8348181B2 (en) 2008-09-15 2013-01-08 Water Pik, Inc. Shower assembly with radial mode changer
USD641831S1 (en) 2009-10-05 2011-07-19 Water Pik, Inc. Showerhead
US8616470B2 (en) 2010-08-25 2013-12-31 Water Pik, Inc. Mode control valve in showerhead connector
USD678467S1 (en) 2012-01-27 2013-03-19 Water Pik, Inc. Ring-shaped handheld showerhead
USD673649S1 (en) 2012-01-27 2013-01-01 Water Pik, Inc. Ring-shaped wall mount showerhead
USD674050S1 (en) 2012-01-27 2013-01-08 Water Pik, Inc. Ring-shaped handheld showerhead
USD678463S1 (en) 2012-01-27 2013-03-19 Water Pik, Inc. Ring-shaped wall mount showerhead
US9404243B2 (en) 2013-06-13 2016-08-02 Water Pik, Inc. Showerhead with turbine driven shutter
USD744065S1 (en) 2014-06-13 2015-11-24 Water Pik, Inc. Handheld showerhead
USD744066S1 (en) 2014-06-13 2015-11-24 Water Pik, Inc. Wall mount showerhead
USD744611S1 (en) 2014-06-13 2015-12-01 Water Pik, Inc. Handheld showerhead
USD744612S1 (en) 2014-06-13 2015-12-01 Water Pik, Inc. Handheld showerhead
USD744614S1 (en) 2014-06-13 2015-12-01 Water Pik, Inc. Wall mount showerhead
USD745111S1 (en) 2014-06-13 2015-12-08 Water Pik, Inc. Wall mount showerhead
USD744064S1 (en) 2014-06-13 2015-11-24 Water Pik, Inc. Handheld showerhead
USD803981S1 (en) 2016-02-01 2017-11-28 Water Pik, Inc. Handheld spray nozzle

Also Published As

Publication number Publication date Type
EP2260945A1 (en) 2010-12-15 application
ES2389005T3 (en) 2012-10-22 grant

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