WO2009079605A1 - Appareil et procédé pour piscine à vagues avec récif en forme de v double - Google Patents

Appareil et procédé pour piscine à vagues avec récif en forme de v double Download PDF

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Publication number
WO2009079605A1
WO2009079605A1 PCT/US2008/087283 US2008087283W WO2009079605A1 WO 2009079605 A1 WO2009079605 A1 WO 2009079605A1 US 2008087283 W US2008087283 W US 2008087283W WO 2009079605 A1 WO2009079605 A1 WO 2009079605A1
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WO
WIPO (PCT)
Prior art keywords
wave
pool
reef
shaped
wave pool
Prior art date
Application number
PCT/US2008/087283
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English (en)
Inventor
Richard Mladick
Richard Carnahan
Original Assignee
Richard Mladick
Richard Carnahan
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 Richard Mladick, Richard Carnahan filed Critical Richard Mladick
Publication of WO2009079605A1 publication Critical patent/WO2009079605A1/fr

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Classifications

    • 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
    • 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

Definitions

  • Wave pools and water rides often use conventional wave generators to produce waves.
  • the design of a wave pool is a very important factor in the production of waves. It is difficult to configure a wave pool to provide desirable waves, i.e., waves that are suitable for use in water sports such as surfing, body surfing, kayaking, and skiing. Even at the best natural beaches, perfect waves are rare. This is because the quality of the waves depends upon many factors, such as environmental conditions, such as tides, wind, and off shore storms.
  • the double V-shaped reef can include an inclined slope traversing the reef from the tip of a first or outer V-shaped reef, e.g., the deeper end, to the open end of a second or inner V-shape, e.g., the more shallow end.
  • the first V-shaped reef can create larger waves that can re-form in a deeper portion.
  • the re-formed waves can break again into smaller waves across the second V-shaped reef.
  • Some aspects of the invention provide a round wave pool with a wave generating system provided within the center of the pool.
  • the wave generating system can discharge the water volume of the wave in a vertically upward motion.
  • the wave generating system can make generally ring-shaped waves that can move from proximate the center of the round wave pool outwardly toward the edge of the wave pool.
  • Various configurations of double V-shaped reefs can be used to create waves in the round wave pool.
  • FIG. 1 is a top view of a wave pool with a double V-shaped reef according to an aspect of the invention.
  • FIG. 2 is side cross-sectional view of the wave pool of FIG. 1 taken along line 2-2.
  • FIG. 3 is an end cross-sectional view of the wave pool of FIG. 1 taken along line 3-3.
  • FIG. 4 is another end cross-sectional view of the wave pool of FIG. 1 taken along line 4-4.
  • FIG. 5 is a top view of the wave pool of FIG. 1 including depth dimensions according to an aspect of the invention.
  • FIG. 6 is a top view of a wave pool according to an aspect of the invention.
  • FIG. 7 is a top view of a wave pool including drains and return piping according to an aspect of the invention.
  • FIG. 8 is a top schematic view of a water ride including multiple reefs in a generally circular configuration according to an aspect of the invention.
  • FIG. 9 is a top view of a water ride including multiple reefs in a generally circular configuration according to an aspect of the invention.
  • FIG. 10 is another top view of the water ride of FIG. 9 including depth dimensions according to an aspect of the invention.
  • FIG. 11 is a top view of a wave pool with a double V-shaped reef according to an aspect of the invention.
  • FIG. 12 is a cross-sectional view of the wave pool of Figure 11.
  • FIG. 13 is a cross-sectional view of the wave pool of Figure 11.
  • FIG. 14 is a cross-sectional view of the wave pool of Figure 11.
  • FIG. 15 is a cross-sectional view of the wave pool of Figure 11.
  • FIG. 16 is a cross-sectional view of the wave pool of Figure 11.
  • FIG. 17 is a cross-sectional view of the wave pool of Figure 11.
  • FIG. 18 is a top view of a wave pool that is configured as substantially one half of the wave pool of FIG. 11, according to an aspect of the invention.
  • FIG. 1 shows a wave generating system 10 positioned within a wave pool 11 including a pool wall 12 and a pool floor 13.
  • the pool floor 13 can include several contours over which the waves from the wave generating system 10 can flow (for example, as the waves move from left to right across the page of FIG. 1).
  • the pool floor 13 can include a first reef toe- elevation contour 14, a first reef mid-elevation contour 16, and a first reef apex-elevation contour 18.
  • the pool floor 13 can also include an arrowhead plateau contour 20, a second reef toe contour 24, and a second reef mid-elevation contour 26.
  • the pool floor 13 can include two separate island toe contours 22, two separate island mid-contours 28 and two separate apex island contours 30.
  • the pool floor 13 can include two separate return inverts 32 that lead to a water return basin 34. The return water can flow out to a perimeter 36 of the wave pool 11 and over two separate return plateaus 38 adjacent to the pool walls 12.
  • the pool floor 13 can also include a pool floor invert elevation 40 between the pool walls 12 and adjacent to the wave generating system 10.
  • the pool floor 13 can include a perimeter apex contour 42 adjacent to the perimeter 36 of the wave pool 11.
  • FIG. 2 shows a cross-section of the wave pool 11 along which the waves travel from the back of the wave pool 11 to the perimeter 36 and a beach area 44 (if one is included) adjacent to the perimeter 36.
  • the waves will travel from the wave generating system 10 up an incline to the arrowhead plateau contour 20, to the second reef toe contour 24, and to the second reef mid-elevation contour 26.
  • the perimeter apex contour 42 most if not all of the water will have been directed toward the return inverts 32 and the water return basin 34.
  • FIGS. 3 and 4 are two cross-sectional views over which the waves will travel as they move from the back of the wave pool 11 to the perimeter 36.
  • FIG. 4 is a cross-section taken closer to the wave generating system 10 than the cross-section of FIG. 3.
  • the waves can travel over the pool floor invert elevation 40, the first reef toe elevation contour 14, and the first reef mid-elevation contour 16, while remaining inside the pool walls 12.
  • the return water can flow past the cross-section of FIG. 4 within the return inverts 32 and over the return plateaus 38, while being contained by the perimeter apex contour 42 adjacent to the perimeter 36.
  • FIG. 3 shows the pool floor 13 downstream from the cross-section of FIG. 4.
  • the waves can travel over the first reef mid-elevation contour 16, the arrowhead plateau contour 20, and the two separate island toe contours 22, while remaining inside the pool walls 12.
  • the return water can flow past the cross-section of FIG. 3 within the return inverts 32 and over a portion of the second reef mid-elevation contour 26, while being contained by the perimeter apex contour 42 adjacent to the perimeter 36.
  • FIG. 5 shows the wave pool 11 of FIGS. 1-4, including dimensions and ratios according to one aspect of the invention.
  • the wave pool 11 of FIGS. 1-5 is intended to simulate perfect or near-perfect point break barreling waves within a body of water.
  • the waves can form within the body of water by barreling and peeling in a right hand direction and in a left hand direction simultaneously.
  • the double V-shaped reef shown in FIGS. 1 and 5 produce multiple directional barreling waves to facilitate multiple wave riders simultaneously.
  • the waves can also be suitable for tube riding.
  • the wave pool 11 of FIGS. 1-5 can maintain a barreling wave as the wave propagates down the length of the reef in order to allow a wave rider to ride within the wave form tube substantially the entire length of the reef.
  • the double V-shaped reef configuration can be used to make the wave forms break and plunge over a first "outside" V- shaped reef (e.g., the first reef 14, 16, 18), then re-form in a trough deep water area (e.g., the arrowhead plateau contour 20) between the double V-shape, then break and plunge a second time over a second "inside” V-shaped reef (e.g., the second reef 24, 26) before the wave forms reach the perimeter 36 and/or the beach area 44.
  • a first "outside" V- shaped reef e.g., the first reef 14, 16, 18
  • a trough deep water area e.g., the arrowhead plateau contour 20
  • the deep arrowhead plateau contour 20 can be positioned in between the double V-shaped reefs in order to cause the wave front to re-form and break a second time onto the second reef 24, 26.
  • a larger wave can break on the first reef 14, 16, 18 and smaller waves can break on the second reef 24, 26 after re-forming between the two reefs.
  • the double V-shaped reef can have an inclined slope that traverses the first and second reefs from the tips of the V-shapes to the open ends of the V-shapes, as shown in FIG. 2.
  • the wave pool 11 can include deep water return channels (e.g., the return inverts 32) along the outside edge of the outer V reef incline slope (e.g., the outside edge of the first reef 14, 16, 18) in order to prevent the wave from breaking within the return channels.
  • One or both of the first reef 14, 16, 18 and the second reef 24, 26 can include a defined tip or elongated over-extended tip.
  • the over-extended tip can act as a multi-hinge point on the reef.
  • the over-extended tip can include an acute angle. The over-extended tip can result in easier access for the wave rider into the wave pool 11.
  • the wave generating system 10 can produce different wave heights and speeds over the double V-shaped reefs.
  • the wave height and/or speed can be controlled by the wave generating equipment. That is, more water can be provide for greater wave height and more power, e.g., pressurized air, can be used to provide more speed and/or wave height.
  • the wave pool 11 can include an infinity wave catch edge (e.g., between the perimeter apex contour 42 and the perimeter 36) around the outside walls of the wave pool 11.
  • the infinity edge can be substantially lower from the pool wall 12 of the wave pool 11, allowing the pool wall 12 to have a height to account for the wave form being produce.
  • the infinity edge can calm (or remove the energy from) the wave after the wave form travels through the wave pool 11.
  • the infinity wave catch edge can also be in the form of a negative edge in order to reduce chop in the wave pool 11.
  • the wave pool 11 can include artificial kelp to reduce chop.
  • the infinity wave catch edge can be a lower portion of a wall that functions as a weir over which water from a wave pours.
  • FIGS. 6 and 7 show a wave pool 111 according to an alternative aspect of the invention. Similar to the wave pool 11 of FIGS. 1-5, the wave pool 111, as shown in FIG. 6, includes a first reef 114, a deep wave re-forming area 120, and a second reef 124. Larger waves can break across the first reef 114, the waves can re-form within the deep wave reforming area 120, and smaller waves can break across the second reef 124. As shown in FIG. 7, the wave pool 111 can include de-watering grates 150 within a pool floor 113 and return piping 152 running under the pool floor 113 back to the wave generating system 110. [0038] FIGS. 8-10 show a wave pool 211 according to another alternative aspect of the invention.
  • the wave pool 211 can be substantially round with an output 260 of a wave generating system 210 at its center and two or more V-shaped reefs 262 positioned around the circumference of the wave pool 211.
  • the wave pool 211 can also have other suitable shapes, such as oval and semi-circular, depending upon the position and number of V-shaped reefs 262.
  • a suitable wave generating system 210 can be used to push water vertically upward from the center of the wave pool 211 and through the output 260.
  • the wave generating system 210 can use compressed air to push water vertically upward.
  • water can be pushed vertically upward from below the wave pool 211 through the output 260 in order to begin propagating a wave from the center of the wave pool 211 (as shown by the arrows in FIG. 8).
  • water can be pushed vertically upward from below the wave pool 211 in a relatively quick, repeated fashion in order to create successive rings of waves beginning at the center of the wave pool 211 and propagating outward as the rings become increasingly larger.
  • the resulting rings of waves can be used with a suitable type of pool floor and/or configurations of reefs.
  • the wave pool 211 can include several V-shaped reefs 262 positioned radially from the center of the wave pool 211. As the rings of waves travel outward, the rings can break into two waves for each V-shaped reef 262. As shown in FIG. 8, ten waves can be created for ten wave riders across the five V-shaped reefs 262 in the wave pool 211.
  • the wave pool 211 can include several of the double V- shaped reefs shown and described with respect to FIGS. 1-5 (FIG. 9 includes the numbering from FIGS. 1-5).
  • each one of five double V-shaped reefs 262 can be substantially similar to the wave pool 11 of FIGS. 1-5.
  • FIG. 10 shows the wave pool 211 of FIG. 9 including dimensions and ratios according to one aspect of the invention.
  • the round wave pool 211 can include drains around the outside edge of the wave pool 211 to facilitate catching and stopping the wave form and returning the water volume within the wave form back to the center of the wave pool 211.
  • Suitable piping can be connected to the drains running under the pool floor in order to discharge and return the water back to the center of the wave pool 211.
  • Deep water return channels having an incline slope from the deep end of the wave pool 211 toward the shallow end of the wave pool 211 can be used, in some aspects.
  • V-shaped reefs 262 can be used.
  • a semicircular wave pool can include two or three V-shaped reefs.
  • a wave pool can have a somewhat circular shape and can include three or four V-shaped reefs.
  • a beach area can be positioned outside of the wave pool, rather than in the interior of the wave pool. This can allow restaurants and retail establishments to be positioned near the beach area of the wave pool.
  • the wave pool can simulate a perfect point break barreling wave within a body of water, to make the wave forms within said body of water to barrel and peel in a right hand and left hand direction simultaneously creating waves suitable for tube riding. Further more to maintain a perfect barreling wave as the wave propagates down the entire length of the reef to facilitate a wave rider being able to ride within the wave form tube the "entire length" of the reef.
  • a double V-shaped reef configuration can produce similar plunging wave results when deferent sizes in wave forms traversing over the reef are produced, to maintain the same point break barreling characteristics.
  • FIG. 11 shows an aspect of a wave pool wherein the angles in the reef create a variety of different wave breaking characteristics on the same wave, or during a wave rider's ride. For instance the elongated nose H of the reef 1101 can cause the wave to break gently or slowly, allowing surfers to easily catch and drop-in on the wave before the wave accelerates through subsequent steeper, faster sections (I-M).
  • reef angle points A indicate places in the reef 1101 where the reef bends or changes direction.
  • a grate B provides an outlet for water and facilitates return of the water to wave generation equipment E.
  • An island C can be formed in the wave pool.
  • the island C in cooperation with the grate B that generally surrounds the island C and in cooperation with the reef 1101, can cause waves made by wave generation equipment E to split into two portions. One portion can move downwardly and to the left and the other portion can move downwardly and to the right.
  • a channel D can be formed between the reef 1101 and the raised pool wall G. The channel can be deeper that other portions of the wave pool.
  • the raised pool wall G can facilitate the formation of an infinity edge, if desired.
  • a beach F can be disposed after the grate B at the end of the wave pool that is opposite the wave generation equipment E.
  • the beach F can be a sandy beach.
  • the grate B at the end of the wave pool can be configured to drain substantially all of the water that passes thereover, alternatively, the grate B at the end of the wave pool can be configured to allow some water to wash upon the beach F.
  • the grate B can omitted at some portion of the beach F to allow waves to wash upon those portions of the beach F. Any desired combination of such full drainage, partial drainage, and no drainage can be provide by the grate B or lack thereof at any desired portions of the beach F.
  • wave generation equipment E makes a wave.
  • the wave passes over the reef 1101 as it moves away from the wave generation equipment E (downwardly as shown in FIG. 11).
  • the wave tends to break at or proximate reef 1101.
  • the angles A give the reef 1101 a shape that causes the wave to break in a desirable manner that is well suited for water sport activities, such as surfing.
  • Water from the wave drains through grates B from which the water travels back (such as via pumping) to the wave generation equipment E.
  • a variation on the double V-reef concept is for the reef to comprise a series of compound curves instead of the straight reef sections with defined angle points as shown in FIG Il.
  • Fig. 11 also shows another aspect for surfing wave pool reefs, e.g., a surfing wave pool reef that angles backward in excess of 90 degrees from it's point of origin. This is shown by section of the reef in FIG. 11. This is a significant improvement over previous reefs as it allows a wave that is bending, or has been influenced by refraction, to continue peeling. It also concentrates the remaining energy in the wave by forcing it to break very quickly. This is highly desirable in the sport of surfing as smaller waves frequently lack power and are only ideal if they have very specific breaking characteristics.
  • Another aspect is the variable slope on both the front and back of the reef.
  • the elongated nose of the reef (H) may have a gentle slope (13: 1 - 28: 1) on its face to allow for a slower take-off
  • the slopes on the sides of the reef vary to assist in defining the breaking characteristics of the wave and the depth of the outer channel (D).
  • Section I could have a slope as steep as 7:1 to create a different wave riding experience.
  • the main difficulty being the limited slopes allowed by the commercial swimming pool code.
  • the commercial swimming pool code typically limits a slope within a pool to a maximum steepness of 10:1.
  • the effect of this shallower slope is not altogether undesirable.
  • the shallower slopes not only meet code, but provide extra power to the initial wave break by forcing the shoulder of the wave to stand up more vertically.
  • Another aspect is the increasing depth of both the reef and adjacent channels. While the top of the reef may be flat horizontally, or across the pool, both the reef and inner and outer channels increase in depth as they approach the beach.
  • the island is an optional design consideration. While islands within wave pools are not novel, the position, function, and shape of this island may be original art. The pool will function without it, however, the island provides several benefits over a continuous water surface. First and most importantly, the grate around the island provides for additional current, chop, and reflection mitigation. Second, the island provides a barrier from the power of the larger waves creating a sheltered swimming area behind it (O). Third, the island creates a notable recreational element. It is important to note that there are an almost unlimited number of variations on this island concept. For instance, the island could actually be constructed as a peninsula attaching to the beach, or any other shape, including asymmetrical. The island could have a profile that would allow waves to wash over the island, only partially blocking the waves. The originality of this particular island is its positioning within the center of the V- Reef, and the infinity edge and grate combination.
  • FIGS. 12-17 show cross-sections taken through FIG. 11, as indicated.
  • FIGS. 12-14 show the use of infinity edges and pressurized water jets.
  • An infinity edge can be formed around the perimeter of the entire pool and islands for the purposes of establishing and maintaining a constant water depth and mitigating surface waves, reflections, and surges, (cross-sections 1 and 2) Variations of this concept would include a flat, recessed, or declined grate on the backside of the infinity edge in lieu of an inclined grate.
  • the wave pool can have an extended neck, e.g., a neck that is longer than that shown in FIG. 11.
  • Contemporary wave pools have a short "neck” or rectangular end. This is because they are trying to dissipate and spread wave energy quickly across the pool. When converting to a surfing pool, however, this is obviously undesirable. By elongating the neck of the pool, you give the surfers time to see the wave coming, position themselves properly, and then catch the wave before slowly spreading the wave's energy in a controlled fashion.
  • FIG. 18 shows the surfing wave pool and double V-reef split in half and reduced in size to minimize its footprint for various commercial applications.
  • the floor or bottom of the wave pool can be ribbed, cratered, pocked, rippled or otherwise uneven or non-flat.
  • the use of such an uneven bottom can mitigate surface turbulence and provide a more calm wave pool.
  • the slope of the bottom of the pool can change along the path of a wave.
  • the bottom of the wave pool can become more steep as the wave travels further in the wave pool.
  • Such a contour of the bottom of the pool can enhance the steepness of a wave.
  • a wave pool such as a round wave pool comprising a plurality of double V-shaped wave pools, can have an infinity edge surrounding all or a portion thereof.
  • An infinity edge can be at a periphery of the pool.
  • An infinity edge can also be at an island of the wave pool.
  • an infinity edge can generally surround an island of the wave pool.
  • infinity edge can refer to a feature of a pool that produces a visual effect of water extending to the horizon, vanishing, or extending to "infinity". This effect can be provided by allowing the water to flow over a wall or weir.
  • infinity edge can be synonymous with negative edge, zero edge, disappearing edge, or vanishing edge.
  • the edge of the pool can terminate at a wall or weir that is approximately one-quarter to two inches lower than the required median pool water level, for example.

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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)
  • Revetment (AREA)

Abstract

Des aspects de la présente invention concernent une piscine à vagues comprenant au moins un récif en forme de V double. Le récif en forme de V double peut comprendre une pente inclinée traversant le récif depuis la pointe du V jusqu'à l'extrémité ouverte du V. Dans une piscine ronde à vagues, un système de génération de vagues peut être disposé au centre de la piscine. Le système de génération de vagues peut projeter de l'eau dans un mouvement vertical ascendant pour former une vague annulaire. Les vagues annulaires peuvent se propager depuis le centre de la piscine à vagues vers l'extérieur, vers le bord de celle-ci.
PCT/US2008/087283 2007-12-17 2008-12-17 Appareil et procédé pour piscine à vagues avec récif en forme de v double WO2009079605A1 (fr)

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US795407P 2007-12-17 2007-12-17
US61/007,954 2007-12-17

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DE102012025709B3 (de) 2012-07-02 2021-07-08 Mirek Göbel Wassersportanlage zum Wellenreiten oder dergleichen mit einem Becken und einer Maschine zum Fördern eines Fluidstroms
DE102012013159B4 (de) * 2012-07-02 2014-11-27 Mirek Göbel Strömungsmaschine zum Fördern großer Fluidmengen
US11478719B2 (en) * 2012-11-01 2022-10-25 American Wave Machines, Inc. Sequenced chamber wave generator controller and method
HUE045782T2 (hu) * 2014-06-08 2020-01-28 Surf Lakes Holdings Ltd Szörfhullámok elõállítása
US10207168B2 (en) * 2016-11-29 2019-02-19 Walter Judson Bennett Surf pool design and contiguous reef
EP3688251B1 (fr) * 2017-09-25 2021-11-03 UpSurfDown GmbH Installation de formation de vagues artificielles de surf
US10449433B1 (en) 2018-04-29 2019-10-22 Walter Judson Bennett Wave energy and rip current control system for surf pools
BR112022019731A2 (pt) * 2020-02-14 2022-10-25 Whitewater West Ind Ltd Gerador de ondas em piscina
MX2022014589A (es) * 2020-05-18 2023-05-15 Whitewater West Ind Ltd Generador de olas para piscina.
DE102020128319A1 (de) * 2020-10-28 2022-04-28 Andrew Woodcock Surfbecken und Komponentensatz für den Bau eines Surfbeckens
US11198983B1 (en) * 2021-03-08 2021-12-14 Walter Judson Bennett Artificial surfing reef construction method
US11187002B1 (en) * 2021-05-03 2021-11-30 Westlake Wave Co. Wave generator pool with varying reef angles

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JPH078866A (ja) * 1993-06-21 1995-01-13 Kubota Corp 造波装置
WO2000005464A1 (fr) * 1998-07-21 2000-02-03 Adquest Pty. Ltd. (As Trustee For The Oliver Family Trust) Piscine a vagues recreative
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US20040031093A1 (en) * 2000-09-13 2004-02-19 Anton Kajlich Equipment for faster swimming pools
US20040245780A1 (en) * 2003-06-05 2004-12-09 Roberts Michael Kevin Surfing ring wave pool for generating multiple simultaneous endless traveling waves looping around a center island
US20060253969A1 (en) * 2005-05-12 2006-11-16 Garrett Johnson Water feature for wave pools
ES2268933A1 (es) * 2004-08-05 2007-03-16 Arquitectura Tecnica Siglo Xxi, S.L. Piscina de olas con impulsor central y playas por todos sus lados.

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US4203390A (en) * 1978-06-12 1980-05-20 Stran Corporation Aquatic exercise facility with island
US5342145A (en) * 1993-04-21 1994-08-30 Cohen Albert D System for producing surfing waves for tube riding or wind surfing
JPH078866A (ja) * 1993-06-21 1995-01-13 Kubota Corp 造波装置
WO2000005464A1 (fr) * 1998-07-21 2000-02-03 Adquest Pty. Ltd. (As Trustee For The Oliver Family Trust) Piscine a vagues recreative
WO2000064549A2 (fr) * 1999-04-23 2000-11-02 Carnahan Richard P Procede et appareil de generation de vagues
US20040031093A1 (en) * 2000-09-13 2004-02-19 Anton Kajlich Equipment for faster swimming pools
US20030009821A1 (en) * 2000-11-16 2003-01-16 Lochtefeld Thomas J. Method and apparatus for controlling break points and reducing rip currents in wave pools
US20040245780A1 (en) * 2003-06-05 2004-12-09 Roberts Michael Kevin Surfing ring wave pool for generating multiple simultaneous endless traveling waves looping around a center island
ES2268933A1 (es) * 2004-08-05 2007-03-16 Arquitectura Tecnica Siglo Xxi, S.L. Piscina de olas con impulsor central y playas por todos sus lados.
US20060253969A1 (en) * 2005-05-12 2006-11-16 Garrett Johnson Water feature for wave pools

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