EP0862016A1 - Vorrichtung zur Beleuchtung von mindestens einem Wasserstrahls - Google Patents

Vorrichtung zur Beleuchtung von mindestens einem Wasserstrahls Download PDF

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Publication number
EP0862016A1
EP0862016A1 EP98400212A EP98400212A EP0862016A1 EP 0862016 A1 EP0862016 A1 EP 0862016A1 EP 98400212 A EP98400212 A EP 98400212A EP 98400212 A EP98400212 A EP 98400212A EP 0862016 A1 EP0862016 A1 EP 0862016A1
Authority
EP
European Patent Office
Prior art keywords
water
jet
light
water supply
optical
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
EP98400212A
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English (en)
French (fr)
Other versions
EP0862016B1 (de
Inventor
François Paul Dandrel
née Duveau Geneviève Marie Dandrel
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0862016A1 publication Critical patent/EP0862016A1/de
Application granted granted Critical
Publication of EP0862016B1 publication Critical patent/EP0862016B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408—Water installations especially for showers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • F21V2200/13—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type the light being emitted at the end of the guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2121/02—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00 for fountains

Definitions

  • the present invention relates to a device for rendering jets of luminous water as well as installations equipped with such a device, such as for example fountains, shower installations or waterfalls.
  • the invention aims to overcome the various aforementioned drawbacks by proposing a device for making at least one jet of water bright, this homogeneously on most of its trajectory, which is more economical and relatively easy to install, especially on water jets from existing fountains.
  • the subject of the invention is a device for making light at minus a jet of water, projected in one direction from the means of formation of the jets which are connected to a water supply via supply means of water, comprising means for emitting light rays associated with optical means for directing light rays emanating from said jet of water of said transmission means, the transmission means and the optical means associates lighting said water jet substantially in the direction of projection of the latter, characterized in that the optical means comprise a cavity at the through which extend the water supply means.
  • the invention also relates to a fountain comprising means for formation of at least one jet, a water supply and water supply means connecting the supply to the means for forming said at least one water jet, characterized in that it comprises at least one device of the type defined above.
  • the invention further relates to a shower installation comprising a shower head, characterized in that it comprises at least one device of the type defined above, and in that the optical orientation means form said showerhead.
  • the invention further relates to a waterfall comprising means for formation of a flat water jet characterized in that it comprises at least one device of the type defined above.
  • FIG 1 there is shown a device 1 according to the invention which is installed in a fountain of which only the water level 2 of its basin is shown.
  • the device 1 comprises means 3A for emitting rays and an associated focusing lens 3B.
  • This 3B lens is formed by an envelope 4 of spherical shape which is made of a material optically transparent such as plastic or glass and which defines a internal cavity 5 filled with water during operation of the fountain.
  • the spherical envelope 4 has at its base an opening water inlet 6 and at its apex a water outlet opening 8. These openings are therefore made in the casing 4 at places diametrically opposites.
  • the cross section of the intake opening 6 is slightly larger than that outlet opening 8.
  • the cavity 5 of the casing 4 is connected to a supply of water not represented by a water inlet tube 10 tightly fixed in opening 6.
  • a nozzle 11 for forming an upward jet of water 12 is formed by a tube 13 which is fixed in a sealed and normal manner to the outer surface of the casing in the outlet opening 8. This nozzle 11 is therefore connected to the water supply via the internal cavity 5 and the inlet tube of water 10.
  • the tubes 10 and 13 are also produced in a optically transparent material.
  • the means 3A for emitting light rays comprise a light source 14 and a bundle of optical fibers 16.
  • the input ends 18 of the optical fibers 16 are connected to the light source 14 while the ends 20, i.e. the exit ends of the light rays, are fixed by means of a ring 21 around the water inlet tube 10 so that they form an annular assembly of emission of light rays towards the spherical envelope 4.
  • the water coming from the means water supply gradually fills, from the water inlet tube 10, the internal cavity 5 of the spherical casing 4 to be ejected through the nozzle 11 in the air in order to form the water jet 12.
  • the water jet 12 has a parabolic shape with an ascending part 26, a part of vertex 27 and a descending part 28.
  • the envelope 4 filled with water constitutes a focusing lens.
  • This focusing lens has two focal points F and F 'located respectively upstream and downstream of the lens at a focal distance f.
  • the optical axis of the lens is defined by a straight line passing through these two focal points F and F '.
  • the light rays emanating from the ends 20 of the optical fibers 16 are therefore directed by the lens towards the jet 12 and illuminate the latter substantially in its projection direction indicated by the arrow 29.
  • the envelope 4 filled with water is a thick lens
  • R is the radius of the spherical envelope 4.
  • the thin wall thickness of the spherical envelope 4 has been neglected.
  • the spherical shape of the focusing lens formed by the envelope 4 filled with water is advantageous because such a lens has an opening significant numerical approaching 0.5. Because of this openness important digital, the focusing lens is capable of collecting a maximum of the light energy emitted by the ends 20 of the optical fibers 16 and therefore makes it possible to optimize the ratio between the light energy produced by the source 14 and that actually used to make the water jet 12 bright.
  • Another important point of the optical assembly of the device according to the invention relates to the positioning of the ends 20 of the optical fibers by relative to the focusing lens formed by the spherical envelope 4 filled of water.
  • the ends 20 are positioned at an equal distance or greater than the focal length f of the focusing lens calculated using the relation cited above.
  • the light ray 30 crosses the water contained in the spherical cavity 5, penetrates directly into the jet of water 12 and spreads inside of it by multiple reflections on the water / air interface of the jet 12.
  • the water jet 12 projected into the air behaves as a light conductor because the refractive index of air is lower than that of water as previously mentioned. During these multiple reflections, part of the light energy escapes along the jet what which contributes to making this last one luminous.
  • the light ray 32 propagates more eccentrically relative to in the center of the envelope 4 as the radius 30. It is refracted at each interface of the envelope 4 with air and directed towards the periphery 33 of the water jet.
  • This radius 32 meets the periphery 33 of the jet 12, that is to say the air / water interface of the jet, a first part 34 of the ray is reflected thereby contributing to making the water jet 12 bright there.
  • This first part 34 also serves, depending on its path, to make the top part 27 or the down part 28 bright of the water jet 12.
  • a second part 36 of the radius 32 enters the jet 12.
  • this radius 36 is then divided into a first part 38 reflected towards the interior of the jet and a second part 40 which escapes from jet 12 and makes it last bright at the place of its exit.
  • the second part 38 spreads inside the ascending part of jet 26 as explained about the propagation of the light ray 30.
  • the water jet is made bright on the one hand thanks to the external reflections on the periphery of the water jet, and on the other hand thanks to the light rays which propagate inside the jet. Because the rays light emerge from the optical fiber in the form of a beam of rays whose divergence is typically 60 °, we can evenly illuminate the jet of water 12 over most of its parabolic trajectory, the vertex part 27 and the downward part 28 of the jet being essentially illuminated by the parts of the light rays which are reflected at the water / air or air / water interface of this part.
  • the spherical envelope 4 is likely to become opaque fairly quickly due to a deposit on the inner wall of the envelope 4.
  • the applicants propose the development of the spherical envelope 4 shown in figure 2.
  • the spherical envelope 4 is produced by two semi-spherical caps 50 and 52 provided with complementary means 54. These means 54 are for example assembly means by screws that allow one cap to be locked against the other to prevent accidental separation of the caps when the water pressure in the cavity is high.
  • the semi-spherical caps 50 and 52 are made of plastic optically transparent.
  • the upper cap 50 has at its top 56 a nozzle 12 made of material.
  • the lower cap 52 has at its base 58 a water inlet tube 10 made of material.
  • FIG. 3 represents another embodiment of the device 1 of the invention.
  • the elements identical to those of Figures 1 and 2 have the same reference numbers.
  • This device comprises as a focusing lens a ball 60 in an optically transparent material with a refractive index greater than that of air, in particular greater than that of water, such as for example glass or a plastic material.
  • a ball 60 in an optically transparent material with a refractive index greater than that of air, in particular greater than that of water, such as for example glass or a plastic material.
  • this ball 60 is formed a central duct cylindrical 62 with circular section.
  • the ball 60 is threaded on a tube 64 of the water supply means which is connected to a water supply not shown.
  • this tube 64 is rigid and made of an optically material transparent. Its upper end constitutes a nozzle 11 for forming the jet of water 12.
  • the ball 60 is held in position on the one hand by the tube 64 on which it is threaded, and on the other hand by a collar 66 mounted on the conduit 64.
  • the ball 60 rests on collar 66 and is thus secured against displacement vertical.
  • the nozzle 12 only slightly exceeds the top of the ball 60.
  • the optical fibers 16 are fixed around the duct 64 as explained in reference to FIG. 1. Of course, when positioning the ends 20 optical fibers 16, it must be taken into account that the focal length of the ball calculates in this case with the refractive index of the material in which is made The ball.
  • This embodiment has the advantage that the lens of focusing formed by the ball 60 does not cloud from the inside during operation of the fountain. In addition, such a glass or material ball plastic can be easily cleaned. In addition, this embodiment adapts as easily to existing fountains.
  • conduit 62 directly to the tube 64.
  • the conduit 62 serves with its nozzle outlet end of water jet formation.
  • these segments assembled exert a lens effect on the light rays leaving the fibers optics comparable to that of the ball 60 of FIG. 3, the operation of the device according to the invention is not modified.
  • the focusing lens was arranged in the air. But it is also possible to arrange it partially in water. In this case, the focal length of the lens is varied, depending on the water level. according to well-known laws of optics. Such an arrangement may prove interesting in the case where we also want to light the fountain basin to from which the water jet is projected 12. Indeed, in the case of a lens partially submerged, part of the light rays is reflected at the interface envelope / water or ball / water, so that the bottom of the pool is also lit.
  • the ball 60 In the case of the device according to FIG. 3, provision is also made to immerse completely the ball so that only the nozzle 12 protrudes from the water surface. Because the index of glass or plastic is higher than that of water, the ball 60 still acts as an optical lens. However, the focal length of this optical element is now calculated taking into account the ratio of refractive indices between the material of the ball and the water instead of that between the ball material and air. In this case, the beam focusing power luminous of the ball 60 decreases which consequently increases the focal length.
  • An advantageous development of the device consists for example in provide the spherical casing 4 shown in FIG. 1 with several nozzles, such as simple outlet openings to make a set of jets of water made bright.
  • FIG. 4 shows a shower installation which includes a device according to the invention. Elements identical to those of Figures 1 to 3 bear the same reference numbers.
  • the focusing lens of the device is produced by a envelope 80 of convex plane shape in an optically transparent material and forming a shower head.
  • the envelope 80 has several openings 84 for exiting water jets 85.
  • the casing 80 is supplied by a water inlet tube 86 which is fixed in an opening inlet 87 centrally arranged in the flat part 88 of the casing 80.
  • the sum of the sections of the outlet openings 84 is less than the section of the inlet opening 87.
  • the optical fibers are fixed by means of the ring 21 slightly beyond the focal distance of the plano-convex lens formed by the envelope 80 filled with water around the tube 86. The operation of this device is equivalent to that of the device in FIG. 1.
  • This device according to the invention is distinguished by the simplicity of installation. Indeed, it is possible to install it on most fountains existing with minor modifications to the fountain nozzles. Either, we uses the device shown in FIG. 1 in which the envelope is fixed to an existing nozzle, or we provide the outlet of the fountain nozzle with a tube adapted to be able to thread the ball 60.
  • FIG. 1 Another interesting variant constitutes the adaptation of the device to a waterfall.
  • flat jets instead of a lens, spherical a cylindrical lens provided with a passage with rectangular cross section at through which the water passes and which forms a flat jet of water.
  • This cylindrical lens can be made in the same way as the lenses of Figures 1, 3 and 4.
  • the optical fibers are arranged in rows arranged in each side of the flat spray and light it up in the same way as explained in reference to Figures 1, 3 and 4.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Special Spraying Apparatus (AREA)
EP98400212A 1997-02-12 1998-02-02 Vorrichtung zur Beleuchtung von mindestens einem Wasserstrahls Expired - Lifetime EP0862016B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701620A FR2759443B1 (fr) 1997-02-12 1997-02-12 Dispositif pour rendre au moins un jet d'eau lumineux
FR9701620 1997-02-12

Publications (2)

Publication Number Publication Date
EP0862016A1 true EP0862016A1 (de) 1998-09-02
EP0862016B1 EP0862016B1 (de) 2006-08-30

Family

ID=9503617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98400212A Expired - Lifetime EP0862016B1 (de) 1997-02-12 1998-02-02 Vorrichtung zur Beleuchtung von mindestens einem Wasserstrahls

Country Status (4)

Country Link
US (1) US6076741A (de)
EP (1) EP0862016B1 (de)
DE (1) DE69835711D1 (de)
FR (1) FR2759443B1 (de)

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US6375342B1 (en) * 2000-03-17 2002-04-23 Oasis Waterfalls Llc Illuminated waterfall
US6484952B2 (en) * 2000-12-20 2002-11-26 Super Vision International, Inc. Fiber optic illuminated waterfall
US6681508B2 (en) 2001-03-14 2004-01-27 Massachusetts Institute Of Technology Visual display device
US6543925B2 (en) * 2001-03-21 2003-04-08 Robert L. Kuykendal Multi-colored fountain light
US6443364B1 (en) * 2001-11-01 2002-09-03 Lin Chung-Kuei Candle stand in combination with a fountain
WO2003041874A1 (en) * 2001-11-14 2003-05-22 Aqua Conservation Systems, Inc. Irrigation control system
US6644561B1 (en) * 2002-03-12 2003-11-11 Patrick David Daane Color beam sprinkler lights
US20050047143A1 (en) * 2003-09-02 2005-03-03 Currie Joseph Edward Single light illumination system for a fluid tap
US20050148881A1 (en) * 2003-12-19 2005-07-07 Fomitchov Ravel A. High-frequency intensity-modulated incoherent optical source for biomedical optical imaging
US7162752B2 (en) * 2004-01-16 2007-01-16 Watkins Manufacturing Corporation Laminar flow lighted waterfall apparatus for spa
EP1819410B1 (de) * 2004-10-26 2019-03-13 Pentair Water Pool and Spa, Inc. Inline-chloriervorrichtung mit integralem steuerpaket und wärmeableitung
US7845579B2 (en) * 2004-11-17 2010-12-07 Bruce Johnson Laminar flow water jet with energetic pulse wave segmentation and controller
US20060163374A1 (en) * 2005-01-25 2006-07-27 Russ Wooten Fountain waterjet
US7384165B2 (en) * 2005-07-05 2008-06-10 Kevin Doyle Water feature with an LED system
US8763925B2 (en) * 2005-11-17 2014-07-01 Pentair Water Pool And Spa, Inc. Laminar flow water jet with wave segmentation, additive, and controller
US20070236913A1 (en) * 2006-04-06 2007-10-11 Rain Bird Europe, S.A.R.L. Lighting Process And Mechanism
USD558914S1 (en) 2006-06-06 2008-01-01 S.C. Johnson & Son, Inc. Light object
US7410269B2 (en) 2006-06-06 2008-08-12 S.C. Johnson & Son, Inc. Decorative light system
USD558913S1 (en) 2006-06-15 2008-01-01 S.C. Johnson & Son, Inc. Combination light object and base
US7458698B2 (en) 2006-06-15 2008-12-02 S.C. Johnson & Son, Inc. Decorative light system
USD581092S1 (en) 2006-06-15 2008-11-18 S.C. Johnson & Son, Inc. Base for a light object
US8578884B2 (en) * 2006-07-20 2013-11-12 John M Hawk Illuminated drinking system
RU2336459C1 (ru) * 2007-03-15 2008-10-20 Закрытое акционерное общество "Светлана-Оптоэлектроника" Устройство для освещения потока жидкости
WO2009059490A1 (en) * 2007-11-05 2009-05-14 Yulam Wong Led lamp illuminant insert
WO2009104987A1 (ru) * 2008-02-18 2009-08-27 Shtrom Dmitry Yurevich Устройство для освещения
US9416034B2 (en) 2009-01-28 2016-08-16 Pentair Water Pool And Spa, Inc. pH balancing system
US10006214B2 (en) 2009-01-28 2018-06-26 Pentair Water Pool And Spa, Inc. pH balancing dispenser and system with piercing opener
FR2958007B1 (fr) 2010-03-23 2018-06-22 Francois Dandrel Dispositif pour rendre lumineux au moins un jet d'eau et installations comportant un tel dispositif
US8622247B2 (en) * 2011-07-13 2014-01-07 Steve Zuloff Light up liquid projection device and method thereof
US10315214B2 (en) * 2012-10-30 2019-06-11 Custom Molded Products, Llc Lighted waterfall device with spreading manifold
US9914146B2 (en) * 2012-10-30 2018-03-13 Custom Molded Products, Llc Lighted waterfall device
USD755449S1 (en) * 2014-06-18 2016-05-03 Radio Systems Corporation Orb pet water fountain
USD819898S1 (en) 2016-10-25 2018-06-05 Radio Systems Corporation Orb pet water fountain
US10393363B2 (en) 2017-04-25 2019-08-27 Delta Faucet Company Illumination device for a fluid delivery apparatus
US11118368B2 (en) 2018-06-22 2021-09-14 Hayward Industries, Inc. Laminar water feature
WO2020018529A1 (en) * 2018-07-18 2020-01-23 Sturdy Corporation Nozzle assembly with articulating nozzles
US11602032B2 (en) 2019-12-20 2023-03-07 Kohler Co. Systems and methods for lighted showering

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR638540A (fr) * 1926-12-08 1928-05-26 Fontaine lumineuse
FR1187689A (fr) * 1957-04-30 1959-09-15 Cie D Electricite Nouveau dispositif d'illumination de jets d'eau
FR1567059A (de) * 1967-09-27 1969-05-16
GB2099125A (en) * 1981-05-22 1982-12-01 Filtapac The Co Ltd Illuminated water fountain
FR2562637A1 (fr) 1984-04-06 1985-10-11 Dandrel Francois Procede et dispositif pour rendre les jets d'eau lumineux et application de ce dispositif
US4749126A (en) * 1984-05-09 1988-06-07 Kessener H P M Liquid outlet adapted to provide lighting effects and/or for illumination
GB2288974A (en) * 1994-04-27 1995-11-08 Lin Li Sanitary installations with illuminated water

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US5078320A (en) * 1988-02-26 1992-01-07 Wet Design Water displays
US4936506A (en) * 1988-11-14 1990-06-26 Ryan James E Swimming pool fountain
US5160086A (en) * 1990-09-04 1992-11-03 Kuykendal Robert L Lighted laminar flow nozzle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR638540A (fr) * 1926-12-08 1928-05-26 Fontaine lumineuse
FR1187689A (fr) * 1957-04-30 1959-09-15 Cie D Electricite Nouveau dispositif d'illumination de jets d'eau
FR1567059A (de) * 1967-09-27 1969-05-16
GB2099125A (en) * 1981-05-22 1982-12-01 Filtapac The Co Ltd Illuminated water fountain
FR2562637A1 (fr) 1984-04-06 1985-10-11 Dandrel Francois Procede et dispositif pour rendre les jets d'eau lumineux et application de ce dispositif
US4749126A (en) * 1984-05-09 1988-06-07 Kessener H P M Liquid outlet adapted to provide lighting effects and/or for illumination
GB2288974A (en) * 1994-04-27 1995-11-08 Lin Li Sanitary installations with illuminated water

Also Published As

Publication number Publication date
DE69835711D1 (de) 2006-10-12
FR2759443A1 (fr) 1998-08-14
EP0862016B1 (de) 2006-08-30
US6076741A (en) 2000-06-20
FR2759443B1 (fr) 1999-04-09

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