AU2017272297A1 - Wave generating systems - Google Patents
Wave generating systems Download PDFInfo
- Publication number
- AU2017272297A1 AU2017272297A1 AU2017272297A AU2017272297A AU2017272297A1 AU 2017272297 A1 AU2017272297 A1 AU 2017272297A1 AU 2017272297 A AU2017272297 A AU 2017272297A AU 2017272297 A AU2017272297 A AU 2017272297A AU 2017272297 A1 AU2017272297 A1 AU 2017272297A1
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- AU
- Australia
- Prior art keywords
- wake
- hull
- travel
- wave
- dec
- 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.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/0006—Devices for producing waves in swimming pools
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0093—Training appliances or apparatus for special sports for surfing, i.e. without a sail; for skate or snow boarding
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Toys (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
Abstract (57) A wave generating system comprising: a semi-submerged water displacement hull adapted to travel along a travel path within a wave pool, thereby generating a wake; and a wake modulator adapted to modulate the wake; wherein at least one of the travel path of the hull relative to the wake modulator and the travel of the wave modulator relative to the wake generated by the hull is controlled to effect the modulation of the wake. Illu Figure 1 0 I C)' j~c) ic6 Figure 2 .2k
Description
The present invention relates to wave generating systems. The invention particularly relates to wave generating systems that facilitate modulation of a wake generated by the system.
SUMMARY OF INVENTION
According to one aspect of the invention there is provided a wave generating system comprising:
a semi-submerged water displacement hull adapted to travel along a 15 travel path within a wave pool, thereby generating a wake; and a wake modulator adapted to modulate the wake;
wherein at least one of the travel path of the hull relative to the wake modulator and the travel of the wave modulator relative to the wake generated by the hull is controlled to effect the modulation of the wake.
In one embodiment, the wake modulator comprises contours of a floor of the wave pool and wherein the travel path of the hull is non-parallel with the contours. The travel path of the hull may be at a predetermined angle relative to the contours, or may follow a meandering path relative to the contours.
In certain embodiments, the hull comprises a panel extending from the stern of the hull. In other embodiments, the hull is rotatably mounted relative to a carriage.
In another embodiment, the wake modulator comprises at least another hull adapted to travel along a travel path within the wave pool, thereby generating
2017272297 07 Dec 2017 another wake, and wherein modulation of the wake comprises an interaction between the wake and the other wake.
The travel paths of the hulls may be substantially identical, and the hulls disposed at a distance from one another such that wakes generated by a prior hull are superimposed by wakes of a following hull.
The travel paths of the hull and the other hull may alternatively be towards one another such that the wake and the other wake intersect to form a bulge that io advanced laterally across the wave pool.
The travel paths of the hull and the other hull may alternatively be in the same direction on opposing sides of the wave pool such that the wake and the other wake intersect to form a concave wave front disposed between the travel paths.
In a further embodiment, the wake modulator comprises a submerged foil adapted to travel along a travel path parallel to the travel path of the hull and at a predetermined distance preceding the wake generated by the hull such that the foil forms a trough that modulates the wake.
In yet another embodiment, the wake modulator comprises a submerged reef adapted to travel along a travel path parallel to the travel path of the hull and at a predetermined distance behind the hull such that the wake generated by the hull travel over the reef as the reef advances, thereby causing the wake to break over the reef.
The submerged reef may comprise an adjustable panel that can be adjusted relative to the wake of the hull.
Throughout this specification, unless the context requires otherwise, the word “comprise”, or variations such as “comprises” or “comprising”, will be understood to imply the inclusion of a stated step or element or integer or group of steps or
2017272297 07 Dec 2017 elements or integers, but not the exclusion of any other step or element or integer or group of steps, elements or integers. Thus, in the context of this specification, the term “comprising” is used in an inclusive sense and thus should be understood as meaning “including principally, but not necessarily solely”.
The present invention consists of features and a combination of parts hereinafter fully described and illustrated in the accompanying drawings, it being understood that various changes in the details may be made without departing from the scope of the invention or sacrificing any of the advantages of the present io invention.
BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS
To further clarify various aspects of some embodiments of the present invention, 15 a more particular description of the invention will be rendered by references to specific embodiments thereof, which are illustrated in the appended drawings. It should be appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting on its scope. The invention will be described and explained with additional specificity and detail through the accompanying drawings in which:
FIG. 1 illustrates a hull moving along a travel path that is parallel to contours of a wave pool.
FIG. 2 illustrates a hull moving along a travel path that is not parallel to contours of a wave pool.
FIG. 3 illustrates a hull moving along a meandering travel path relative to contours of a wave pool.
2017272297 07 Dec 2017
FIG. 4 illustrates a hull moving along a travel path that is not parallel to contours of a wave pool, generating a deflective wake.
FIG. 5 illustrates a hull provided with a panel extending from the stern thereof.
FIG. 6 illustrates a hull moving rotatably mounted on a carriage as it moves along a travel path that is not parallel to contours of a wave pool.
FIG. 7 illustrates two hulls moving along a travel path that is parallel to contours io of a wave pool.
FIG. 8 illustrates a first hull moving along a travel path that is parallel to contours of a wave pool.
FIG. 9 illustrates two hulls moving along a travel path that is parallel to contours of a wave pool.
FIG. 10 illustrates two hulls moving along opposing travel paths.
FIG. 11 illustrates the two hulls of Figure 10 at the end of their travel paths.
FIG. 12 illustrates two hulls moving along travel paths on opposing sides of a wave pool.
FIG. 13 illustrates a hull moving along a travel path that is parallel to a travel path of a preceding submerged foil.
FIG. 14 illustrates a cross sectional view of the system of Figure 13.
2017272297 07 Dec 2017
FIG. 15 illustrates a hull moving along a travel path that is parallel to the travel path of a following reef.
FIG. 16 illustrates a cross sectional view of the system of Figure 15.
FIG. 17 illustrates a hull moving along a travel path that is parallel to the travel path of a following reef.
FIGS. 18-20 illustrate cross sectional views of the system of Figure 17. io
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Hereinafter, this specification will describe the present invention according to the preferred embodiments. It is to be understood that limiting the description to the is preferred embodiments of the invention is merely to facilitate discussion of the present invention and it is envisioned without departing from the scope of the appended claims.
The present invention relates to recreational wave pools. The purpose of this 20 invention is to change wave shape to suit various aspects of surfing performance.
To efficiently transform wave shape, the present invention provides for at least one of the following:
1. Manipulates swell size, speed and direction, by controlling the position of a semi-submerged water displacement member (hereafter the “hull”) relative to the contours of the pool floor;
2017272297 07 Dec 2017
2. Produces overlapping wakes, by controlling the relative position, speed and configuration of multiple hulls;
3. Manipulates water level, by controlling the position of a submerged water displacement member (hereafter: the “foil”) relative to an advancing wake;
and
4. Manipulates surf zone bathymetry, by controlling the position of a wave obstruction member (hereafter: the “reef”) relative to the water surface.
io
Figure 1 depicts a system 100 in which a hull 105 moving along a travel path 110 proximate the edge of a pool 115, in a direction that is parallel to the contours 120 of the pool floor, such that the resulting wake 125 advances at a constant angle, depicted here as 45 degrees to the contours 120, upon which the wake is designed to break. Figure 2 depicts a similar system 200 having the same elements as Figure 1, except that the travel path 210 of the hull 205 is now five degrees off parallel to the contours 220 of the pool floor, resulting in a five degree reduction in the angle of its wake 225, which now advances at an angle of 40 degrees, instead of 45 degrees, as depicted in Figure 1. The angle of the travel path 210 of the hull 205 may advantageously be modified to modulate the angle of the wake 225 relative to the contours 220 of the pool floor.
Figure 3 depicts an alternative system 300 having the same elements as Figure 2, except that the hull 305 now follows a meandering path 310, resulting in the angle of its wake 325 changing in response to the various directions followed by the hull 305. Apart from producing waves that continually change shape, the meandering path 310 increases wave power by compressing the wave front each time it turns toward the side that releases the wake 325.
2017272297 07 Dec 2017
Referring to Figures 4 and 5, a vertical panel 430 is suspended longitudinally from one side of the hull 405, to prevent a wake 425’ from forming on that side of the hull 405, when its path takes it away from the pool wall 415, which would otherwise prevent the desired wake 425 from forming. Figure 4 depicts the undesirable occurrence of the wake 425’ bouncing off the wall 415 of the pool. Figure 5 depicts the hull 405 with a vertical panel 430 suspended from one side and extending beyond the stern of the vessel.
In another, as depicted in Figure 6, the hull 605 is supported by a carriage 635, io which allows it to pivot on the horizontal plane, so it can be aligned with the direction of its movement through the water along the travel path 610. Figure 6 depicts the relationship between the alignment of the hull 605, the travel path 610 it follows and the carriage 635 supporting it.
The systems of Figures 2-6, described above, may further provide for altering the depth of the hull while it is being driven along the travel path such that the magnitude of its wake increases or decreases accordingly. Similarly, the systems may provide for alteration of the width of the hull while it is being driven along the travel path such that the magnitude of its wake increases or decreases accordingly. In other embodiments the systems may provide for increasing or decreasing the speed of the hull, such that the magnitude of its wake increases or decreases accordingly. A plurality of hulls may also be driven along the travel path on side of a channel, with successive hulls moving at different speeds, such that their wakes vary in size and speed.
In certain embodiments of the present invention, a plurality of hulls is driven in close succession along the side of a channel, such that key differences in their size, draft and trim angle result in variously angled wakes, which subsequently intersect to produce favourable effects on the resulting wave. Figure 7 depicts two hulls 705, which are traveling along the same path, but are producing
2017272297 07 Dec 2017 differently angled wakes 725, which subsequently intersect as they enter shallow water.
As depicted in Figures 8 and 9, the plurality of hulls 805, 805’ are advantageously driven along the wall of a pool 815 with the hulls 805, 805’ spaced precisely one wavelength apart, such that the second wake 825’ from the preceding hull 805 merges with the first wake 825” of the following hull 805’. Figure 8 depicts a single hull 805 producing a train of two wakes 825 and 825’. Figure 9 depicts two hulls 805, 805’ advancing along the same path, with each io hull 805, 805’ producing a train of two wakes, such that the first wake 825” of the trailing hull 805’ becomes aligned with the second wake 825’ of the preceding hull 805. By overlapping the wake trains of multiple hulls, the wave size relative to energy input may be increased, while simultaneously maximising their rate of production, since the wave length of the preceding hull’s wake determines how close the next hull can trail, without its wake unduly distorting the preceding hull’s wake.
In certain embodiments, the speed of the hulls may be controlled by a programmable logic computer, such that the distance between successive wave generating bodies maintains the correlation with wave length, as the resulting waves build in size and their wave lengths increase.
In other embodiments, as depicted in Figures 10 and 11, two hulls 1005, 1005’ are driven toward each other, along one side 1015 of a channel, such that their wakes 1025, 1025’ intersect to form a bulge 1040, which advances laterally across the pool, directly toward the shallows, where it forms into a peak, as it breaks.
In another embodiment, as depicted in figure 12, two hulls 1205, 1205’ are driven along opposing sides 1215, 1215’ of a channel, in the same direction, such that
2017272297 07 Dec 2017 their wakes 1225, 1225’ intersect in the middle of the channel, where they converge to form a concave wave 1240 front that advances along the centre line of the channel for as long as said wakes 1225, 1225’ continue to intersect.
In a further embodiment, as depicted in Figures 13 and 14, a submerged foil 1350 is driven along a horizontal path 1355, in front of a wake 1325 such that its effect upon the surface contours of the water converge with the wake 1325. The method of propulsion could be self-contained, as with a submarine, or via a track fixed to the pool floor. Figure 14 depicts a cross-section A-B of the submerged io foil 1350, followed by a trough 1360, which affects the wake 1325, by increasing the depth of its trough 1365 and the height of its crest 1370.
In another embodiment, as depicted in Figures 15 and 16, a hull 1505 produces a wake 1525, which forms into a breaking wave 1525’ as it crosses over a reef
1550 driven along a parallel path 1575. The wake 1525 intersects the path 1575 of a reef 1550, for example moving along a track, maintaining its position below the advancing wake 1525. Figure 16 depicts the cross-section A-B, identified in Figure 15, showing the reef 1550, causing the wake 1525 to break in a manner determined by the shape and proximity of the reef 1550.
In an alternative embodiment, a hull produces a wake, which forms into a breaking wave as it crosses over a reef in the form of a submerged panel, which is driven along a path that is parallel to the path followed by said hull. Figure 17 depicts this arrangement, viewed from above, in which a hull 1705 produces a wake 1725 that intersects the path of a submerged panel 1750, which maintains its position below the advancing wake 1725, by moving along rails 1780 fixed to the pool floor. To minimise drag, the position of the submerged panel 1750 is flat with respect to its direction of movement. In cross-section, the submerged panel 1750 is curved, with its convex surface facing upward. The submerged panel
1750 is secured to a carriage 1785 by struts, which are independently
2017272297 07 Dec 2017 extendable, to allow for the submerged panel 1750 to be repositioned relative to the surface. Figure 18 depicts the cross-section A-B, identified in Figure 17, showing the submerged panel 150, causing the wave to break 1725’ in a manner determined by the shape and proximity of the panel 1750. Figures 19 and 20 depict the same cross-section, now showing how the submerged panel 1750 can be repositioned at different depths and different angles, to change the shape of the wave 1725’ breaking above it. In Figure 19, the submerged panel 1750 has been rotated 10 degrees to steepen the incline, which causes the wave 1725’ to break more abruptly, increasing its height and the breadth of its plunge. Figure io 20 depicts the submerged panel 1750 raised as a unit to make the water shallower, so the wave 1725’ breaks even more abruptly, creating an even rounder concave in the cross-sectional profile of the plunging wave 1725’.
Unless the context requires otherwise or specifically stated to the contrary, integers, steps or elements of the invention recited herein as singular integers, steps or elements clearly encompass both singular and plural forms of the recited integers, steps or elements.
It will be appreciated that the foregoing description has been given by way of illustrative example of the invention and that all such modifications and variations thereto as would be apparent to persons of skill in the art are deemed to fall within the broad scope and ambit of the invention as herein set forth.
2017272297 07 Dec 2017
Claims (10)
1. A wave generating system comprising:
a semi-submerged water displacement hull adapted to travel along 5 a travel path within a wave pool, thereby generating a wake; and a wake modulator adapted to modulate the wake;
wherein at least one of the travel path of the hull relative to the wake modulator and the travel of the wave modulator relative to the wake generated by the hull is controlled to effect the modulation of the wake.
io
2. A wave generating system according to claim 1, wherein said wake modulator comprises contours of a floor of the wave pool and wherein said travel path of said hull is non-parallel with said contours.
15 3. A wave generating system according to claim 2, wherein said travel path of said hull is at a predetermined angle relative to said contours.
4. A wave generating system according to claim 2, wherein said travel path of said hull follows a meandering path relative to said contours.
5. A wave generating system according to any one of claims 2 to 4, wherein said hull comprises a panel extending from the stern of said hull.
6. A wave generating system according to any one of claims 2 to 4, wherein
25 said hull is rotatably mounted relative to a carriage.
7. A wave generating system according to claim 1, wherein said wake modulator comprises at least another hull adapted to travel along a travel path within said wave pool, thereby generating another wake, and wherein
30 modulation of said wake comprises an interaction between said wake and said other wake.
2017272297 07 Dec 2017
8. A wave generating system according to claim 7, wherein the travel paths of the hulls are substantially identical, and wherein said hulls are disposed at a distance from one another such that wakes generated by a prior hull
5 are superimposed by wakes of a following hull.
9. A wave generating system according to claim 7, wherein the travel paths of said hull and said other hull are towards one another such that said wake and said other wake intersect to form a bulge that advanced laterally io across said wave pool.
10. A wave generating system according to claim 7, wherein the travel paths of said hull and said other hull are in the same direction on opposing sides of said wave pool such that said wake and said other wake intersect to
15 form a concave wave front disposed between said travel paths.
11. A wave generating system according to claim 1, wherein said wake modulator comprises a submerged foil adapted to travel along a travel path parallel to said travel path of said hull and at a predetermined
20 distance preceding said wake generated by said hull such that said foil forms a trough that modulates said wake.
12. A wave generating system according to claim 1, wherein said wake modulator comprises a submerged reef adapted to travel along a travel
25 path parallel to said travel path of said hull and at a predetermined distance behind said hull such that said wake generated by said hull travel over said reef as said reef advances, thereby causing said wake to break over said reef.
30 13. A wave generating system according to claim 12, wherein said submerged reef comprises an adjustable panel that can be adjusted relative to said wake of said hull.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2017272297A AU2017272297A1 (en) | 2014-09-15 | 2017-12-07 | Wave generating systems |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2014903678A AU2014903678A0 (en) | 2014-09-15 | Wave shaping apparatus | |
AU2014903678 | 2014-09-15 | ||
PCT/AU2015/050544 WO2016041006A1 (en) | 2014-09-15 | 2015-09-15 | Wave generating systems |
AU2015318819A AU2015318819B2 (en) | 2014-09-15 | 2015-09-15 | Wave generating systems |
AU2017272297A AU2017272297A1 (en) | 2014-09-15 | 2017-12-07 | Wave generating systems |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2015318819A Division AU2015318819B2 (en) | 2014-09-15 | 2015-09-15 | Wave generating systems |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2017272297A1 true AU2017272297A1 (en) | 2018-01-18 |
Family
ID=55532335
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2015318819A Ceased AU2015318819B2 (en) | 2014-09-15 | 2015-09-15 | Wave generating systems |
AU2017272297A Abandoned AU2017272297A1 (en) | 2014-09-15 | 2017-12-07 | Wave generating systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2015318819A Ceased AU2015318819B2 (en) | 2014-09-15 | 2015-09-15 | Wave generating systems |
Country Status (7)
Country | Link |
---|---|
US (1) | US20170247895A1 (en) |
EP (1) | EP3194035A4 (en) |
JP (1) | JP2017533357A (en) |
CN (1) | CN107106897A (en) |
AU (2) | AU2015318819B2 (en) |
BR (1) | BR112017005268A2 (en) |
WO (1) | WO2016041006A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230056207A1 (en) * | 2021-08-18 | 2023-02-23 | Mark Bates | Wave Generation Assembly |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9476213B2 (en) | 2008-11-19 | 2016-10-25 | Kelly Slater Wave Company, Llc. | Wave generator system and method for free-form bodies of water |
US11619056B2 (en) | 2008-11-19 | 2023-04-04 | Kelly Slater Wave Company, Llc | Surface gravity wave generator and wave pool |
US10597884B2 (en) * | 2017-08-30 | 2020-03-24 | Kelly Slater Wave Company, Llc | Wave pool and wave generator for bi-directional and dynamically-shaped surfing waves |
EP3495586B1 (en) * | 2017-12-05 | 2020-02-19 | Action Team Veranstaltungs GmbH | Surfing facility |
US20220282508A1 (en) * | 2021-03-03 | 2022-09-08 | Whitewater West Industries, Ltd. | Wave System and Method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3802697A (en) * | 1971-10-14 | 1974-04-09 | Mehaute B Le | Wave generator for simulated surfriding |
US3913332A (en) * | 1973-08-30 | 1975-10-21 | Arnold H Forsman | Continuous wave surfing facility |
US4792260A (en) * | 1987-05-27 | 1988-12-20 | Sauerbier Charles E | Tunnel-wave generator |
US6047657A (en) * | 1999-07-19 | 2000-04-11 | Cox; Steve Jon | Surfable wave making device |
US6928670B2 (en) * | 2001-12-17 | 2005-08-16 | Light Wave Ltd. | Moving reef wave generator |
AU2004240161B1 (en) * | 2004-12-09 | 2006-04-13 | Liquid Time Ltd | Wave generating apparatus |
US7252047B1 (en) * | 2005-09-20 | 2007-08-07 | Baucom Jr Donald L | Wave-forming apparatus for boats |
US8262316B2 (en) * | 2008-11-19 | 2012-09-11 | Kelly Slater Wave Company, Llc | Surface gravity wave generator and wave pool |
EP2369968B1 (en) * | 2008-11-25 | 2020-06-24 | LOCHTEFELD, Thomas J. | Method and apparatus for dampening waves in a wave pool |
WO2013071362A1 (en) * | 2011-11-15 | 2013-05-23 | Gregory Webber | Wave generating apparatus |
AU2013305476A1 (en) * | 2012-08-23 | 2015-04-09 | Gregory Webber | Wave making apparatus with translating wake generating body |
-
2015
- 2015-09-15 JP JP2017514606A patent/JP2017533357A/en active Pending
- 2015-09-15 CN CN201580058070.5A patent/CN107106897A/en active Pending
- 2015-09-15 EP EP15842523.1A patent/EP3194035A4/en not_active Withdrawn
- 2015-09-15 AU AU2015318819A patent/AU2015318819B2/en not_active Ceased
- 2015-09-15 BR BR112017005268A patent/BR112017005268A2/en not_active Application Discontinuation
- 2015-09-15 WO PCT/AU2015/050544 patent/WO2016041006A1/en active Application Filing
- 2015-09-15 US US15/511,569 patent/US20170247895A1/en not_active Abandoned
-
2017
- 2017-12-07 AU AU2017272297A patent/AU2017272297A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230056207A1 (en) * | 2021-08-18 | 2023-02-23 | Mark Bates | Wave Generation Assembly |
US11708700B2 (en) * | 2021-08-18 | 2023-07-25 | Mark Bates | Wave generation assembly |
Also Published As
Publication number | Publication date |
---|---|
AU2015318819A1 (en) | 2017-05-04 |
US20170247895A1 (en) | 2017-08-31 |
EP3194035A4 (en) | 2018-08-29 |
JP2017533357A (en) | 2017-11-09 |
EP3194035A1 (en) | 2017-07-26 |
CN107106897A (en) | 2017-08-29 |
WO2016041006A1 (en) | 2016-03-24 |
BR112017005268A2 (en) | 2017-12-12 |
AU2015318819B2 (en) | 2017-09-07 |
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