EP1447141B1 - Spraying apparatus - Google Patents

Spraying apparatus Download PDF

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Publication number
EP1447141B1
EP1447141B1 EP04100514A EP04100514A EP1447141B1 EP 1447141 B1 EP1447141 B1 EP 1447141B1 EP 04100514 A EP04100514 A EP 04100514A EP 04100514 A EP04100514 A EP 04100514A EP 1447141 B1 EP1447141 B1 EP 1447141B1
Authority
EP
European Patent Office
Prior art keywords
water
spray head
ejector
head
spray
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.)
Expired - Lifetime
Application number
EP04100514A
Other languages
German (de)
French (fr)
Other versions
EP1447141A1 (en
Inventor
Pentti Vilho Fredrik Lagus
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.)
Lagus Pentti Vilho Fredrik
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1447141A1 publication Critical patent/EP1447141A1/en
Application granted granted Critical
Publication of EP1447141B1 publication Critical patent/EP1447141B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/08—Fountains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/004—Sanitary equipment, e.g. mirrors, showers, toilet seats or paper dispensers

Definitions

  • the invention relates to an apparatus for showering or spraying water as dispersed droplets, comprising a water pump and a spray head, the water pump being connected by way of a water pipe to the spray head.
  • US-A-5934558 uses high pressure air to force most of the water in a vertical tube out through the nozzle to provide a short blast of water to a height controlled by the air pressure.
  • An object of the invention is to provide such a spray or shower apparatus, which is capable of dispersing drops of sprayed water in such a way that, as the dispersed water drops of the spray are contacted by light from the sun or a floodlight, a visible rainbow will result.
  • Fig. 1 illustrates a water pump 2 which takes in water by way of a bottom valve 1 from any water supply (natural reserves, reservoirs, wells, etc.), and propels the water by way of a water pipe 2a to an ejector 4 which is connected to the spray head 5 by way of a high and rigid riser 7.
  • Compressed air is propelled by a pneumatic compressor 3 through an air conduit 3a to the pressure side of the ejector 4.
  • the water pipe 2a Upstream of the ejector 4, the water pipe 2a is provided with a branch pipe 9 for supplying water to one of the branches of a Y-fitting 8, while the air conduit 3a connects to the other branch of the Y-fitting 8.
  • the mixture of water and air is supplied to the pressure side of the ejector 4.
  • Discharge pressure is increased by compressed air, and the spray head in particular is supplied with a mixture of air and water, which has received a thorough blending in the ejector 4.
  • the water sprays or jets discharging from the head 5 consist of dispersed water droplets, whereby a visible rainbow is produced by sunlight or artificial light coming to contact therewith.
  • spotlights of at least 1000 W are used as coloured or bright lights and a floodlight 6 or floodlights is or are directed towards the spray of water droplets.
  • the floodlight 6 is positioned such that the rainbow is best visible from the most common viewing direction.
  • the ejectors 4 are commercially available and commonly used e.g. for providing hydraulic plants.
  • the head 5 is e.g. a dispersing brass nozzle and the riser 7 is e.g. a copper pipe.
  • the pump 2 has an intake capacity of e.g. 2,2 kW and the pneumatic compressor 3 has a pressure of e.g. 200-300 kPa (2-4 kg/cm 2 ).
  • the compressor pressure is selected in such a way that, given the pressure and delivery height of the pump, the Y-fitting 8 is supplied with water and air at an appropriate ratio for the ejector 4 to operate effectively and for a sufficient amount of air in order to disperse water droplets discharging from the head 5.
  • the junction point between the water pipe 2a and the ejector 4 can be provided with a one-way valve 10.

Landscapes

  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Reciprocating Pumps (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

A rainbow shower, comprising a water pump (2) and a spray head (5), the water pump being connected by way of a water pipe (2a) to the head (5). The water pipe (2a) is provided upstream of the spray head (5) with an ejector (4), to whose pressure side is connected an air conduit (3a) extending from a pneumatic compressor (3). Discharge pressure is increased by compressed air, while the air mixed in water enhances dispersion into droplets of a spray discharging from the head, whereby a rainbow is made visible by means of light from solar radiation or a floodlight. <IMAGE>

Description

  • The invention relates to an apparatus for showering or spraying water as dispersed droplets, comprising a water pump and a spray head, the water pump being connected by way of a water pipe to the spray head.
  • US-A-5934558 uses high pressure air to force most of the water in a vertical tube out through the nozzle to provide a short blast of water to a height controlled by the air pressure.
  • An object of the invention is to provide such a spray or shower apparatus, which is capable of dispersing drops of sprayed water in such a way that, as the dispersed water drops of the spray are contacted by light from the sun or a floodlight, a visible rainbow will result.
  • This object is accomplished by an apparatus of the invention, having its characterizing features set forth in the appended claim 1. The dependent claims disclose preferred embodiments of the invention.
  • One exemplary embodiment of the invention will now be described with reference to the accompanying drawings, in which
    • Fig. 1
    shows a general diagram for an apparatus of the invention and
    Fig. 2
    shows in more detail an arrangement for pipe elements associated with a spray head 5 and for an ejector pump.
  • Fig. 1 illustrates a water pump 2 which takes in water by way of a bottom valve 1 from any water supply (natural reserves, reservoirs, wells, etc.), and propels the water by way of a water pipe 2a to an ejector 4 which is connected to the spray head 5 by way of a high and rigid riser 7. Compressed air is propelled by a pneumatic compressor 3 through an air conduit 3a to the pressure side of the ejector 4. Upstream of the ejector 4, the water pipe 2a is provided with a branch pipe 9 for supplying water to one of the branches of a Y-fitting 8, while the air conduit 3a connects to the other branch of the Y-fitting 8. Thus, the mixture of water and air is supplied to the pressure side of the ejector 4. Discharge pressure is increased by compressed air, and the spray head in particular is supplied with a mixture of air and water, which has received a thorough blending in the ejector 4. By virtue of this, the water sprays or jets discharging from the head 5 consist of dispersed water droplets, whereby a visible rainbow is produced by sunlight or artificial light coming to contact therewith. In the case of artificial light, spotlights of at least 1000 W are used as coloured or bright lights and a floodlight 6 or floodlights is or are directed towards the spray of water droplets. The floodlight 6 is positioned such that the rainbow is best visible from the most common viewing direction.
  • The ejectors 4 are commercially available and commonly used e.g. for providing hydraulic plants. The head 5 is e.g. a dispersing brass nozzle and the riser 7 is e.g. a copper pipe. The pump 2 has an intake capacity of e.g. 2,2 kW and the pneumatic compressor 3 has a pressure of e.g. 200-300 kPa (2-4 kg/cm2). The compressor pressure is selected in such a way that, given the pressure and delivery height of the pump, the Y-fitting 8 is supplied with water and air at an appropriate ratio for the ejector 4 to operate effectively and for a sufficient amount of air in order to disperse water droplets discharging from the head 5.
  • In order to ensure actuation of the apparatus, the junction point between the water pipe 2a and the ejector 4 can be provided with a one-way valve 10.

Claims (3)

  1. Apparatus for showering or spraying water as dispersed droplets, comprising a water pump (2) and a spray head (5), the water pump being connected by way of a water pipe (2a) to the spray head (5), characterized in that the water pipe (2a) is provided upstream of the spray head (5) with an ejector (4), to whose pressure side is connected a Y-fitting (8) to whose two branches are connected an air conduit (3a) extending from a pneumatic compressor (3) and a branch pipe (9), with which is provided the water pipe (2a) upstream of the ejector (4), respectively.
  2. Apparatus for showering or spraying water as set forth in claim 1, characterized in that between the spray head (5) and the ejector (4) is a high and rigid riser (7).
  3. Apparatus for showering or spraying water as set forth in claim 1 or 2, characterized in that a floodlight (6) is directed towards the spray of water droplets discharging from the spray head (5).
EP04100514A 2003-02-11 2004-02-11 Spraying apparatus Expired - Lifetime EP1447141B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20035016 2003-02-11
FI20035016A FI113292B (en) 2003-02-11 2003-02-11 Regnbågsstrål

Publications (2)

Publication Number Publication Date
EP1447141A1 EP1447141A1 (en) 2004-08-18
EP1447141B1 true EP1447141B1 (en) 2009-01-21

Family

ID=8566350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04100514A Expired - Lifetime EP1447141B1 (en) 2003-02-11 2004-02-11 Spraying apparatus

Country Status (4)

Country Link
EP (1) EP1447141B1 (en)
AT (1) ATE421387T1 (en)
DE (1) DE602004019156D1 (en)
FI (1) FI113292B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006020052A1 (en) * 2006-04-26 2007-10-31 Fachhochschule Wiesbaden Apparatus for creating an artificial rainbow with different optical effects
KR101518006B1 (en) * 2012-07-19 2015-05-06 이삼구 Nighttime rainbow generating apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2005703A6 (en) * 1987-11-23 1989-03-16 Carretero Alba Emilio Cibernetic fountain apparatus and valve therefor
US4852801A (en) * 1988-03-11 1989-08-01 Wet Enterprises, Inc. Airpowered water displays
US4978066A (en) * 1989-08-14 1990-12-18 Wet Designs Fast acting airpowered water displays
US5934558A (en) 1997-11-21 1999-08-10 Wet Enterprises, Inc. Water display with multiple characteristics

Also Published As

Publication number Publication date
FI113292B (en) 2004-03-31
DE602004019156D1 (en) 2009-03-12
EP1447141A1 (en) 2004-08-18
ATE421387T1 (en) 2009-02-15
FI20035016A0 (en) 2003-02-11

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