WO2015107193A1 - Device for producing an ornamental liquid feature - Google Patents

Device for producing an ornamental liquid feature Download PDF

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Publication number
WO2015107193A1
WO2015107193A1 PCT/EP2015/050888 EP2015050888W WO2015107193A1 WO 2015107193 A1 WO2015107193 A1 WO 2015107193A1 EP 2015050888 W EP2015050888 W EP 2015050888W WO 2015107193 A1 WO2015107193 A1 WO 2015107193A1
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WO
WIPO (PCT)
Prior art keywords
liquid
discharge means
liquid discharge
control unit
virtual object
Prior art date
Application number
PCT/EP2015/050888
Other languages
French (fr)
Inventor
Remo Manuel FREY
Original Assignee
Frey Remo Manuel
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 Frey Remo Manuel filed Critical Frey Remo Manuel
Publication of WO2015107193A1 publication Critical patent/WO2015107193A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/08Fountains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING 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
    • B05B1/26Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets

Definitions

  • the present invention relates to a device for producing an ornamental liquid feature, in particular by colliding opposite liquid jet.
  • a further type of water fountain which has interacting water jets, is based on two liquid discharge means 10, 20 each producing a water jet 11, 21, the two liquid discharge means 10, 20 being configured such as to direct the two water jets 11, 21 essentially opposite to each other such as to collide and thereby form a collision surface 31.
  • Such prior art water features are depicted on figures 1 through 3 and are the subject of various patent applications, such as US5115973A or US4002293A. As described in the latter, by slight misalignment of the axes of the two essentially opposite water jets 11, 21, the angular orientation of the collision surface 31 may be varied.
  • the jets known by those documents are either discharged in a fixed direction or the nozzles producing the jets are arranged in a fixed mounting, only allowing the jet angle to be changed.
  • Those types of water fountains are only able to produce a single, essentially disc-like collision surface of the water jets.
  • the objective of the present invention is thus to provide a device for producing a three dimensional liquid formation with greatly improved ornamental value, producing complex liquid surfaces.
  • a further objective of the present invention is to provide a device which is capable of producing dynamic three dimensional ornamental liquid features of great complexity.
  • a device 1 for producing an ornamental liquid feature comprising a plurality of discharge groups each group having a first liquid discharge means 10.1-10. n for producing a first liquid jet 11.1-11. n and a second liquid discharge means 20.1-20. n for producing a second liquid jet 21.1-21. n, wherein said first liquid jet 11.1-11. n and second liquid jet 21.1- 21. n are directed essentially opposite to each other such as to collide and thereby form a collision surface 31.1-31.
  • the device further comprising a control unit 50.
  • n of each discharge group are arranged such that and the control unit is configured for controlling the liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group such as to compose the liquid surfaces 31.1-31. n, generated by the collision of the respective first liquid jets 11.1-11. n and second liquid jets 21.1-21. n of the respective discharge group, into a three-dimensional composition surface 51 essentially reproducing a virtual object 100.
  • present invention allows to reproduce complex, three-dimensional virtual objects by a composition of liquid collision surfaces.
  • further objective of the present invention is solved by configuring the control unit to dynamically control the discharge means such as to reproduce a dynamic virtual object, i.e. produce an animated liquid feature.
  • the essential aspects are the extended degree of freedom for the liquid discharge means, dynamically forming said plurality of discharge groups, mapping virtual objects in an optimal way to ornamental liquid features by a control unit, enabling interaction with humans or other external input parameters, using a visual correction algorithm.
  • the most important advantage of the present invention over the prior art is that complex, three-dimensional virtual objects may be reproduced by a composition of liquid surfaces, thereby providing a liquid feature with greatly improved ornamental and interactive value.
  • Fig. 1 a schematic side view of a prior art device for producing a liquid surface by the collision of two essentially opposite liquid jets
  • Fig. 2 a schematic side view of a prior art device for producing an
  • FIG. 3 a schematic perspective view of the prior art device for producing a liquid surface by the collision of two essentially opposite liquid jets
  • Fig. 4 a schematic perspective view of the device for producing an ornamental liquid feature according to the present invention
  • Fig. 5 a simplified schematic perspective view of the device with liquid discharge means arranged in a grid according to the present invention; each liquid discharge means is separately connected to the control unit;
  • Fig. 6 a schematic perspective view of the device for producing an
  • each liquid discharge means being separately connected to the control unit (simplified view), with a screen displaying the virtual object on the control unit in order to illustrate the mapping of the virtual object to the liquid object by the device;
  • Fig. 7 a schematic perspective illustration of the rotational and
  • Fig. 8A-8C various composition surfaces produceable by the device
  • liquid shall be used on the following, the liquid of such ornamental features being commonly water, but the present invention also applies to other liquids or water with foreign materials added, such as surfactants (e.g. soap) to enhance the collision surface.
  • surfactants e.g. soap
  • FIG. 4 shows a schematic perspective view of the device 1 for producing an ornamental liquid feature according to the present invention.
  • the device 1 comprises liquid discharge means 10.1-10. n; 20.1- 20. n for producing each a liquid jet 11.1-11. n; 21.1-21. n.
  • These liquid discharge means 10.1-10. n; 20.1-20. n preferably comprise a nozzle for discharging the liquid, most preferably laminar flow nozzles to produce laminar liquid jets 11.1-11. n; 21.1-21. n.
  • the liquid discharge means 10.1- 10. n; 20.1-20. n are grouped into a plurality of discharge groups each comprising a first liquid discharge means 10.1-10. n for producing a first liquid jet 11.1-11. n and a second liquid discharge means 20.1-20. n for producing a second liquid jet 21.1-21. n, wherein the first liquid jet 11.1-11. n and second liquid jet 21.1-21. n are directed essentially opposite to each other such as to collide and thereby form a collision surface 31.1-31. n as illustrated on figure 4.
  • the liquid discharge means 10.1-10. n; 20.1-20. n are either arranged in a defined pattern (such as a grid 40 shown in Fig. 5) under or around the composition surface 51 to dynamically form said plurality of discharge groups depending on the virtual object 100. Or liquid discharge means dynamically form said plurality of discharge groups depending on the virtual object 100 to be reproduced without said mentioned defined pattern but by moving their positions as explained later in this description.
  • the device 1 further comprises a control unit 50 operatively connected to each liquid discharge means 10.1- 10. n; 20.1-20. n.
  • FIG. 6 which shows a schematic perspective view of the device 1 for producing an ornamental liquid feature according to the present invention, illustrating the virtual object 100 to be reproduced by way of the example of a sailing boat.
  • the control unit 50 computes an optimal composition surface 51 corresponding to the virtual object 100 to be reproduced, composing the collision surfaces 31.1-31. n in an optimal way, dependent on the liquid discharge means 10.1-
  • the arrangement (predefined, static or dynamic) of the liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group is such as to enable the production of a three-dimensional composition surface 51 essentially reproducing the particular virtual object 100. Some predefined arrangement might be computed which enable a great variety of virtual objects 100 to be reproduced without reconfiguration.
  • the control unit 50 controls the liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group such as to compose the liquid surfaces 31.1-31. n, generated by the collision of the respective first liquid jets 11.1-
  • the virtual object 100 is animated, the control unit 50 being configured to control the liquid discharge means 10.1-10. n; 20.1-20. n such that the three- dimensional composition surface 51 continuously reproduces said animated virtual object 100.
  • a feedback camera(s) 52 oriented towards said composition surface 51 and connected to said control unit 50.
  • the control unit 50 is configured to:
  • the environment sensor(s) may be connected to said control unit 50, so as to record environmental variables - such as wind, atmospheric pressure, etc. - the control unit 50 being
  • control unit 50 implements a learning and/or optimization algorithm based on an analysis of the correction and/or calibration parameters.
  • FIG. 7 depicts a schematic illustration of the rotational and translational freedom of a liquid discharge means 10.1-10. n; 20.1-20. n of a particularly preferred embodiment of the present invention.
  • the liquid discharge means 10.1-10. n; 20.1-20. n may be implemented such as to provide all or at least some of the six degrees of freedom illustrated (three translational and three rotational).
  • Figures 8A-8C illustrate various composition surfaces 51 produceable by the device 1 according to the present invention, figures 8B and 8C illustrating how in addition to ellipses, essentially straight edges can be produced by composing correspondingly oriented collision surfaces 31.1 - 31.3.
  • the first liquid discharge means 10.1-10. n respectively second liquid discharge means 20.1- 20. n of one ore more of the plurality of discharge groups each discharge two different liquids, the compound of the two colliding liquids leading to different liquid properties of the respective collision surface(s) 31.1-31. n.
  • an input video stream from a motion capture camera directed towards a moving object (a human and/or animal) the virtual object 100 being dynamically generated to essentially replicate and/or to react to movements of said moving object preferably in real-time.
  • the device 1 further comprises light source(s), preferably configured such as to illuminate said collision surface(s) 31.1-31. n.
  • first liquid discharqe means 10.1- -10.
  • second liquid discharae means 20.1- -20.
  • n grid of liquid discharae means 40 control unit 50 composition surface 51 feedback camera 52 around 53 screen 54 virtual object 100

Abstract

Device (1) for producing an ornamental liquid feature, the device (1) comprising a plurality of discharge groups each having a first liquid discharge means (10.1-10. n) for producing a first liquid jet (11.1-11. n); and a second liquid discharge means (20.1-20. n) for producing a second liquid jet (21.1-21. n), wherein said first liquid jet (11.1-11. n) and second liquid jet (21.1-21. n) are directed essentially opposite to each other such as to collide and thereby form a collision surface (31.1-31. n); the device (1) further comprising a control unit (50); the liquid discharge means (10.1-10. n, 20.1-20. n) being arranged, prefably as a grid (40), and the control unit (50) being configured for controlling the liquid discharge means (10.1-10. n, 20.1-20. n) of each discharge group such as to compose the liquid surfaces (31.1-31. n) into a three-dimensional composition surface (51) essentially reproducing a virtual object (100).

Description

Device for producing an ornamental liquid feature
FIELD OF THE INVENTION
[0001] The present invention relates to a device for producing an ornamental liquid feature, in particular by colliding opposite liquid jet.
BACKGROUND OF THE INVENTION [0002] Various ornamental liquid formations- also called fountains - are known in the art, ranging from simple static fountains to complex dynamic features, the majority using water as liquid, commonly referred to as water fountains. Some water fountains use multiple jets of water which are individually discharged, forming a fountain feature as a whole but without purposely "interacting" with each other, i.e. each jet individually produces the desired effect and there is no intended direct interaction between any of the jets
[0003] A further type of water fountain, which has interacting water jets, is based on two liquid discharge means 10, 20 each producing a water jet 11, 21, the two liquid discharge means 10, 20 being configured such as to direct the two water jets 11, 21 essentially opposite to each other such as to collide and thereby form a collision surface 31. Such prior art water features are depicted on figures 1 through 3 and are the subject of various patent applications, such as US5115973A or US4002293A. As described in the latter, by slight misalignment of the axes of the two essentially opposite water jets 11, 21, the angular orientation of the collision surface 31 may be varied. The jets known by those documents are either discharged in a fixed direction or the nozzles producing the jets are arranged in a fixed mounting, only allowing the jet angle to be changed. Those types of water fountains are only able to produce a single, essentially disc-like collision surface of the water jets.
OBJECTIVE OF THE INVENTION [0004] However, these existing ornamental liquid features have in the meanwhile become so common that they no longer provide an extraordinary ornamental value. Also, the above-mentioned known ornamental liquid features based on colliding jets only produce a single essentially disc-like collision surface or at most they produce a set of distinct disc-like collision surfaces. These limitations greatly reduce the ornamental value of these features.
[0005] The objective of the present invention is thus to provide a device for producing a three dimensional liquid formation with greatly improved ornamental value, producing complex liquid surfaces. [0006] A further objective of the present invention is to provide a device which is capable of producing dynamic three dimensional ornamental liquid features of great complexity.
SUMMARY OF THE INVENTION
[0007] The above-identified objectives of the present invention are solved by a device 1 for producing an ornamental liquid feature, the device 1 comprising a plurality of discharge groups each group having a first liquid discharge means 10.1-10. n for producing a first liquid jet 11.1-11. n and a second liquid discharge means 20.1-20. n for producing a second liquid jet 21.1-21. n, wherein said first liquid jet 11.1-11. n and second liquid jet 21.1- 21. n are directed essentially opposite to each other such as to collide and thereby form a collision surface 31.1-31. n, the device further comprising a control unit 50. The liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group are arranged such that and the control unit is configured for controlling the liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group such as to compose the liquid surfaces 31.1-31. n, generated by the collision of the respective first liquid jets 11.1-11. n and second liquid jets 21.1-21. n of the respective discharge group, into a three-dimensional composition surface 51 essentially reproducing a virtual object 100. Thus, present invention allows to reproduce complex, three-dimensional virtual objects by a composition of liquid collision surfaces. [0008] further objective of the present invention is solved by configuring the control unit to dynamically control the discharge means such as to reproduce a dynamic virtual object, i.e. produce an animated liquid feature.
[0009] Furthermore, the objects are solved by the tech
characteristics of claims 2 to 16. The essential aspects are the extended degree of freedom for the liquid discharge means, dynamically forming said plurality of discharge groups, mapping virtual objects in an optimal way to ornamental liquid features by a control unit, enabling interaction with humans or other external input parameters, using a visual correction algorithm. [0010] The most important advantage of the present invention over the prior art is that complex, three-dimensional virtual objects may be reproduced by a composition of liquid surfaces, thereby providing a liquid feature with greatly improved ornamental and interactive value.
BRIEF DESCRIPTION OF THE DRAWINGS [0011] Further characteristics and advantages of the invention will in the following be described in detail by means of the description and by making reference to the drawings. Which show:
Fig. 1 a schematic side view of a prior art device for producing a liquid surface by the collision of two essentially opposite liquid jets; Fig. 2 a schematic side view of a prior art device for producing an
inclined liquid surface by the collision of two essentially opposite but slightly misaligned liquid jets;
Fig. 3 a schematic perspective view of the prior art device for producing a liquid surface by the collision of two essentially opposite liquid jets; Fig. 4 a schematic perspective view of the device for producing an ornamental liquid feature according to the present invention;
Fig. 5 a simplified schematic perspective view of the device with liquid discharge means arranged in a grid according to the present invention; each liquid discharge means is separately connected to the control unit;
Fig. 6 a schematic perspective view of the device for producing an
ornamental liquid feature according to the present invention, each liquid discharge means being separately connected to the control unit (simplified view), with a screen displaying the virtual object on the control unit in order to illustrate the mapping of the virtual object to the liquid object by the device;
Fig. 7 a schematic perspective illustration of the rotational and
translational freedom of a liquid discharge means of a particularly preferred embodiment of the present invention;
Fig. 8A-8C various composition surfaces produceable by the device
according to the present invention.
Note : The figures are not drawn to scale, are provided as illustration only and serve only for better understanding but not for defining the scope of the invention. No limitations of any features of the invention should be inferred form these figures.
DESCRIPTION OF PREFERRED EMBODIMENTS
[0012] Certain terms will be used in this patent application, the formulation of which should not be interpreted to be limited by the specific term chosen, but as to relate to the general concept behind the specific term. The term ornamental liquid feature shall be interpreted in the context of the present invention as any of the composition surfaces, irrespective of the subjective judgment whether said composition surface is ornamental. Virtual object shall be used to refer to any set of data representing an object including living beings) statically stored or dynamically generated based on external input parameters. Today, in the context of so called 3D printing, such a virtual object is alternatively called digital 3D model.
[0013] The term liquid shall be used on the following, the liquid of such ornamental features being commonly water, but the present invention also applies to other liquids or water with foreign materials added, such as surfactants (e.g. soap) to enhance the collision surface.
[0014] Preferred embodiments of the present invention shall be now described with reference to the figures. Fig. 4 shows a schematic perspective view of the device 1 for producing an ornamental liquid feature according to the present invention.
[0015] The device 1 comprises liquid discharge means 10.1-10. n; 20.1- 20. n for producing each a liquid jet 11.1-11. n; 21.1-21. n. These liquid discharge means 10.1-10. n; 20.1-20. n preferably comprise a nozzle for discharging the liquid, most preferably laminar flow nozzles to produce laminar liquid jets 11.1-11. n; 21.1-21. n. The liquid discharge means 10.1- 10. n; 20.1-20. n are grouped into a plurality of discharge groups each comprising a first liquid discharge means 10.1-10. n for producing a first liquid jet 11.1-11. n and a second liquid discharge means 20.1-20. n for producing a second liquid jet 21.1-21. n, wherein the first liquid jet 11.1-11. n and second liquid jet 21.1-21. n are directed essentially opposite to each other such as to collide and thereby form a collision surface 31.1-31. n as illustrated on figure 4.
[0016] The liquid discharge means 10.1-10. n; 20.1-20. n are either arranged in a defined pattern (such as a grid 40 shown in Fig. 5) under or around the composition surface 51 to dynamically form said plurality of discharge groups depending on the virtual object 100. Or liquid discharge means dynamically form said plurality of discharge groups depending on the virtual object 100 to be reproduced without said mentioned defined pattern but by moving their positions as explained later in this description. [0017] Illustratively shown on figure 4, the device 1 further comprises a control unit 50 operatively connected to each liquid discharge means 10.1- 10. n; 20.1-20. n. [0018] Turing now to Fig. 6 which shows a schematic perspective view of the device 1 for producing an ornamental liquid feature according to the present invention, illustrating the virtual object 100 to be reproduced by way of the example of a sailing boat. In a preferred embodiment, before and/or during controlling of the liquid discharge means 10.1-10. n, 20.1-20. n, the control unit 50 computes an optimal composition surface 51 corresponding to the virtual object 100 to be reproduced, composing the collision surfaces 31.1-31. n in an optimal way, dependent on the liquid discharge means 10.1-
10. n, 20.1-20. n of the device 1. [0019] As illustrated on figure 5 and 6, the arrangement (predefined, static or dynamic) of the liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group is such as to enable the production of a three-dimensional composition surface 51 essentially reproducing the particular virtual object 100. Some predefined arrangement might be computed which enable a great variety of virtual objects 100 to be reproduced without reconfiguration. In addition, the control unit 50 controls the liquid discharge means 10.1-10. n, 20.1-20. n of each discharge group such as to compose the liquid surfaces 31.1-31. n, generated by the collision of the respective first liquid jets 11.1-
11. n and second liquid jets 21.1-21. n of the respective discharge group, into a three-dimensional composition surface 51 essentially reproducing a virtual object 100. This is achieved by controlling :
- the three-dimensional position (as illustrated on Fig. 7); and/or
- the three-dimensional orientation (as illustrated on Fig. 7); and/or
- the pressure of discharged liquid; and/or
- the flow rate of discharged liquid
of one or more of the liquid discharge means 10.1-10. n, 20.1-20. n.
[0020] In the most preferred embodiment of the present invention, the virtual object 100 is animated, the control unit 50 being configured to control the liquid discharge means 10.1-10. n; 20.1-20. n such that the three- dimensional composition surface 51 continuously reproduces said animated virtual object 100. [0021] Also shown on figure 5 is a feedback camera(s) 52 oriented towards said composition surface 51 and connected to said control unit 50. In order to provide optimal results, i.e. the composition surface 51 best resembles the virtual object 100, the control unit 50 is configured to:
- evaluate the composition surface 51 based on input from said feedback camera 52;
- assess inaccuracies of the composition surface 51 and/or undesired discrepancies between the composition surface 51 and the virtual object 100
- compute correction and/or calibration parameters corresponding to the respective liquid discharge means 10.1-10. n; 20.1-20. n so as to minimize said inaccuracies and/or undesired discrepancies;
- control the first liquid discharge means 10.1-10. n and the second liquid discharge means 20.1-20. n of each discharge group taking account of said correction and/or calibration parameters.
[0022] While not shown on the figures, the environment sensor(s) may be connected to said control unit 50, so as to record environmental variables - such as wind, atmospheric pressure, etc. - the control unit 50 being
configured to compute said correction and/or calibration parameters taking account of said environmental variables.
[0023] In order to constantly improve the control of the liquid discharge means 10.1-10. n; 20.1-20. n, the control unit 50 implements a learning and/or optimization algorithm based on an analysis of the correction and/or calibration parameters.
[0024] Fig. 7 depicts a schematic illustration of the rotational and translational freedom of a liquid discharge means 10.1-10. n; 20.1-20. n of a particularly preferred embodiment of the present invention. Depending on the complexity of the collision surface 51 to be produced, some or all of the liquid discharge means 10.1-10. n; 20.1-20. n may be implemented such as to provide all or at least some of the six degrees of freedom illustrated (three translational and three rotational). [0025] Figures 8A-8C illustrate various composition surfaces 51 produceable by the device 1 according to the present invention, figures 8B and 8C illustrating how in addition to ellipses, essentially straight edges can be produced by composing correspondingly oriented collision surfaces 31.1 - 31.3.
[0026] In a further embodiment of the present invention, the first liquid discharge means 10.1-10. n respectively second liquid discharge means 20.1- 20. n of one ore more of the plurality of discharge groups each discharge two different liquids, the compound of the two colliding liquids leading to different liquid properties of the respective collision surface(s) 31.1-31. n.
[0027] In order to provide an interactive ornamental liquid feature, an input video stream from a motion capture camera directed towards a moving object (a human and/or animal) the virtual object 100 being dynamically generated to essentially replicate and/or to react to movements of said moving object preferably in real-time.
[0028] For added ornamental value or improved visibleness, the device 1 further comprises light source(s), preferably configured such as to illuminate said collision surface(s) 31.1-31. n.
[0029] It will be understood that many variations could be adopted based on the specific structure hereinbefore described without departing from the scope of the invention as defined in the following claims.
REFERENCE LIST: device 1 first liquid discharqe means 10.1- -10. n first liquid jet 11.1- -11. n second liquid discharae means 20.1- -20. n second liquid jet 21.1- -21. n collision surface 31.1- -31. n grid of liquid discharae means 40 control unit 50 composition surface 51 feedback camera 52 around 53 screen 54 virtual object 100

Claims

Device (1) for producing an ornamental liquid feature, the device ( 1) comprising :
- a plurality of discharge groups each comprising :
- a first liquid discharge means (10.1-10. n) for producing a first liquid jet (11.1-11. n); and
- a second liquid discharge means (20.1-20. n) for producing a second liquid jet (21.1-21. n),
wherein said first liquid jet ( 11.1-11. n) and second liquid jet (21.1- 21. n) are directed essentially opposite to each other such as to collide and thereby form a collision surface (31.1-31. n);
- a control unit (50);
characterized in that:
- the liquid discharge means (10.1-10. n, 20.1-20. n) of each discharge group are arranged such that; and
- the control unit (50) is configured for controlling the liquid discharge means (10.1-10. n, 20.1-20. n) of each discharge group such as to compose the liquid surfaces (31.1-31. n), generated by the collision of the respective first liquid jets (11.1-11. n) and second liquid jets (21.1-21. n) of the respective discharge group, into a three-dimensional composition surface (51) essentially reproducing a virtual object (100).
A device (1) according to claim 1
characterized in that the liquid discharge means (10.1-10. n, 20.1-20. are arranged in a defined pattern (40) under or around the composition surface (51) to be produced and/or the liquid discharge means (10.1- 10. n, 20.1-20. n) dynamically form said plurality of discharge groups depending on the virtual object (100) to be reproduced.
A device (1) according to claim 1 or 2
characterized in that in order to reproduce said virtual object (100), the control unit (50) is configured to control one or more of the following :
- three-dimensional position; and/or
- three-dimensional orientation; and/or - pressure of discharged liquid; and/or
- flow rate of discharged liquid
of one or more of the liquid discharge means (10.1-10. n, 20.1-20. n)
A device (1) according to one of the claims 1 to 3,
characterized in that said liquid discharge means (10.1-10. n, 20.1-
20. n) comprise a nozzle preferably a laminar flow nozzle.
A device (1) according to one of the claims 1 to 4,
characterized in that said control unit (50) is configured to compute an optimal composition surface (51) corresponding to the virtual object ( 100) to be reproduced, composing the collision surfaces (31.1-31. n) in an optimal way, dependent on the liquid discharge means ( 10.1-10. n, 20.1- 20. n) of the device (1).
6. A device (1) according to one of the claims 1 to 5,
characterized in that it further comprises a feedback camera(s) (52) oriented towards said composition surface (51) and connected to said control unit (50), wherein said control unit (50) is configured to:
- evaluate the composition surface (51) based on input from said
feedback camera (52);
- assess inaccuracies of the composition surface (51) and/or undesired discrepancies between the composition surface (51) and the virtual object (100)
- compute correction and/or calibration parameters corresponding to the respective liquid discharge means (10.1-10. n; 20.1-20. n) so as to minimize said inaccuracies and/or undesired discrepancies;
- control the first liquid discharge means (10.1-10. n) and the second
liquid discharge means (20.1-20. n) of each discharge group taking account of said correction and/or calibration parameters.
7. A device (1) according to claim 6,
characterized in that it further comprises an environment sensor connected to said control unit (50), so as to record environmental variables - such as wind, atmospheric pressure, temperature - the control unit (50) being configured to compute said correction and/or calibration parameters taking account of said environmental variables.
8. A device (1) according to claim 6 or 7,
characterized in that the control unit (50) implements using a learning and/or optimization algorithm so that said correction and/or calibration parameters serve to constantly improve the control of the liquid discharge means (10.1-10. n; 20.1-20. n). 9. A device (1) according to one of the preceding claims,
characterized in that in order to enhance the collision surface(s) (31.1- 31. n), a surfactant such as soap is added to the liquid being discharged by the liquid discharge means (10.1-10. n; 20.1-20. n). 10. A device ( 1) according to one of the preceding claims,
characterized in that said first liquid discharge means (10.1-10. n) respectively second liquid discharge means (20.1-20. n) of one ore more of the plurality of discharge groups each discharge two different liquids, the compound of the two colliding liquids leading to different liquid properties of the respective collision surface(s) (31.1-31. n).
11. A device ( 10) according to one of the preceding claims,
characterized in that said virtual object (100) is animated, the control unit (50) being configured to control the liquid discharge means (10.1- 10. n; 20.1-20. n) such that the three-dimensional composition surface
(51) continuously reproduces said animated virtual object (100).
12. A device (1) according to one of the preceding claims,
characterized in that said virtual object (100) is pre-programmed into said control unit (50). 13. A device (1) according to one of the preceding claims,
characterized in that said virtual object ( 100) is dynamically generated based on external input parameters.
14. A device (1) according to claim 13,
characterized in that said external input parameters comprise an input video stream from a motion capture camera directed towards a moving object, the virtual object (100) being dynamically generated to essentially replicate and/or to react to movements of said moving object preferably in real-time.
15. A device (1) according to claim 14,
characterized in that said moving object is a human and/or animal, the device (1) being configured to interact with said human and/or animal.
16. A device (1) according to one of the preceding claims,
characterized in that it further comprises light source(s), preferably configured such as to illuminate said collision surface(s) (31.1-31. n).
PCT/EP2015/050888 2014-01-20 2015-01-19 Device for producing an ornamental liquid feature WO2015107193A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14151823 2014-01-20
EP14151823.3 2014-01-20

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WO2017167798A1 (en) * 2016-03-30 2017-10-05 Universiteit Twente Process and device for in-air production of single droplets, compound droplets, and shape-controlled (compound) particles or fibers
CN109195698A (en) * 2016-03-30 2019-01-11 特温特大学 The method and apparatus of single drop, composite droplet and controlled shape (compound) particle or fiber are manufactured in the air
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