EP0732468A1 - Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen - Google Patents

Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen Download PDF

Info

Publication number: EP0732468A1
Authority: EP; European Patent Office
Prior art keywords: pool; water tank; pipe; channels; piston
Prior art date: 1995-03-03
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

EP95200534A

Other languages

English (en)

French (fr)

Other versions

EP0732468B1 (de

Inventor

Dirk Bastenhof

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1995-03-03

Filing date

1995-03-03

Publication date

1996-09-18

1995-03-03 Application filed by Individual filed Critical Individual

1995-03-03 Priority to AT95200534T priority Critical patent/ATE176024T1/de

1995-03-03 Priority to EP95200534A priority patent/EP0732468B1/de

1995-03-03 Priority to DE69507449T priority patent/DE69507449T2/de

1996-09-18 Publication of EP0732468A1 publication Critical patent/EP0732468A1/de

1999-01-20 Application granted granted Critical

1999-01-20 Publication of EP0732468B1 publication Critical patent/EP0732468B1/de

2015-03-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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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

Definitions

the invention relates to a pool or water tank provided with means for generating waves.
One of said methods comprises supplying compressed air in turn to chambers which are closed at the top and at the bottom protrude into the water in the pool or tank. If the compressed air is introduced into the various chambers at the natural frequency of the pool, this method requires relatively little energy, but the major drawback is that the tank or swimming pool has to have an adapted, relatively expensive design.
a ball which has a weight which is movable up and down therein floats in the middle of the tank.
a ball of this type takes up a relatively large amount of space and must be able to be suspended from the ceiling by a hoist construction.
a long electric cable to the ball is needed underwater, the length of said cable being subject to regulations.
the aim of the invention is to overcome the drawbacks of known pools or water tanks which have wave mechanisms and to provide a pool or water tank, indicated in the preamble, for which the means for generating waves are simple and relatively inexpensive and can be installed in existing pools or tanks without special structural facilities (apart from possibly raising the height of the walls of the pool or tank). Moreover, the wave facilities must not give rise to obstacles for swimmers and there must be no cables or leads present in the pool or tank.
the pool or water tank provided with means for generating waves is characterised in that said means comprise one or more pipes, each of which is connected, at least at both ends, via a hole in the wall of the pool or tank, to the pool or tank, wherein a piston or disc which essentially closes off the cross-section of the pipe is fitted in one section of each of the pipes and a power source is present in order to move the piston or disc backwards and forwards.
DE-A-2811623 describes a swimming pool wherein a niche filled with water adjoins one of the sides of the swimming pool, is in open communication with the swimming pool and is divided into three chambers by means of two partitions.
the two partitions are each connected by means of a rod to a piston which is movable in a hydraulic cylinder. Waves can be generated in the swimming pool by moving the two partitions by means of the pistons.
This construction requires expensive structural facilities and is not suitable for adding to an existing swimming pool as a recreational element in a simple manner.
the length of the pipes corresponds to at most half of a resonance wavelength of the water in the pool or tank.
each pipe will be provided on either side of the central section, in which said piston or disc is movable, with two or more channels connected to a hole in the wall of the swimming pool.
the cross-sectional area of the channels will have to be greatest at locations where the amplitude of the wave is greatest, and vice versa. Therefore, the cross-sectional area of the channels will be greatest at the ends of a pipe and that of the channels at the side of said means will be smallest and the cross-sectional area of the channels will decrease from the largest channel to the smallest channel.
the power sources will operate in phase with one another but in opposing directions of flow.
the invention also relates to a wave installation to be used in the abovementioned pool or water tank.
the walls of the wave pool or tank shown are indicated by 1.
Two wave installations each consisting of a pipe 2 having a central section 3 and two connecting sections 4 fitted on either side thereof, are installed on one side wall.
the connecting sections 4 each have three inlet and outlet channels 7a, 7b, 7c, which are connected by flange connections to openings 8a, 8b, 8c in the side wall of the pool or tank.
Figure 3 shows the flange connection between a channel 7a and the side wall of the pool or tank.
a pipe 9 is fixed by means of resin in the opening 8a to provide a seal.
Said pipe has a flange 10, which is fixed by means of bolts 11 to a flange 12 of the channel 7a.
the length of a pipe 2 corresponds to at most half the resonance wavelength of the pool or tank.
the two pipes shown generate waves which have twice a half resonance wavelength.
the one pipe operates in the same phase but in the reverse direction of flow to the preceding pipe.
the shape of the waves is shown by a broken line in Figure 2.
the channels 7a and the openings 8a at the ends of a pipe 2 have a larger cross-section than the channels 7b and openings 8b, which, in turn, have a larger cross-section than the channels 7c and openings 8c. Consequently, the size of the cross-section follows the size of the wave amplitude.
the first impulse will take a great deal of power, but as the wavelength of the generated wave follows the resonance wavelength of the pool or water tank, it becomes increasingly easier.
the installation according to the invention has considerable advantages. It is easy to install. No structural facilities are needed for wave generation. It may be necessary to raise the height of the sides of the pool or tank, or the water level could be lowered.
the apparatus can be fixed to the outside of existing pools or tanks by simply drilling a few holes in the wall of the pool or tank. The apparatus does not constitute any obstacles for the swimmer and there are no cables or leads through the area. It is very suitable for use in tanks containing mammals or fish and produces no noise.

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Devices For Medical Bathing And Washing (AREA)
Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

EP95200534A 1995-03-03 1995-03-03 Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen Expired - Lifetime EP0732468B1 (de)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
AT95200534T ATE176024T1 (de)	1995-03-03	1995-03-03	Becken oder wassertank, wie z.b. ein schwimmbad, mit mitteln zum erzeugen von wellen
EP95200534A EP0732468B1 (de)	1995-03-03	1995-03-03	Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen
DE69507449T DE69507449T2 (de)	1995-03-03	1995-03-03	Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP95200534A EP0732468B1 (de)	1995-03-03	1995-03-03	Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen

Publications (2)

Publication Number	Publication Date
EP0732468A1 true EP0732468A1 (de)	1996-09-18
EP0732468B1 EP0732468B1 (de)	1999-01-20

Family

ID=8220066

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95200534A Expired - Lifetime EP0732468B1 (de)	1995-03-03	1995-03-03	Becken oder Wassertank, wie z.B. ein Schwimmbad, mit Mitteln zum Erzeugen von Wellen

Country Status (3)

Country	Link
EP (1)	EP0732468B1 (de)
AT (1)	ATE176024T1 (de)
DE (1)	DE69507449T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1998045553A1 (fr)	1997-04-03	1998-10-15	Mehmet Zahit Inan	Generateur de vagues pour liquides
US9920544B1 (en)	2016-11-29	2018-03-20	Walter Judson Bennett	Plunger wave generator apparatus for efficiently producing waves in a body of water
US20210157342A1 (en) *	2018-07-31	2021-05-27	Liquid Time Pty Ltd	Current control systems and wave pools including same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR438113A (fr) *	1911-12-02	1912-05-08	Hermann Recknagel	Procédé et appareils pour la production de vagues artificielles
US3350724A (en) *	1964-07-07	1967-11-07	Walter J Leigh	Method and apparatus for generating artificial waves in a body of water
DE2811623A1 (de) *	1978-03-17	1979-09-20	Boehm Hans Joachim Dipl Ing	Wellenerzeugungsanlage fuer schwimmbaeder mit horizontal hin- und herbewegten trennwaenden in einem dreikammersystem
BE1002884A6 (fr) *	1989-03-03	1991-07-16	Servilog Sa	Appareil destine a creer des vagues dans des piscines.

1995
- 1995-03-03 AT AT95200534T patent/ATE176024T1/de not_active IP Right Cessation
- 1995-03-03 DE DE69507449T patent/DE69507449T2/de not_active Expired - Fee Related
- 1995-03-03 EP EP95200534A patent/EP0732468B1/de not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR438113A (fr) *	1911-12-02	1912-05-08	Hermann Recknagel	Procédé et appareils pour la production de vagues artificielles
US3350724A (en) *	1964-07-07	1967-11-07	Walter J Leigh	Method and apparatus for generating artificial waves in a body of water
DE2811623A1 (de) *	1978-03-17	1979-09-20	Boehm Hans Joachim Dipl Ing	Wellenerzeugungsanlage fuer schwimmbaeder mit horizontal hin- und herbewegten trennwaenden in einem dreikammersystem
BE1002884A6 (fr) *	1989-03-03	1991-07-16	Servilog Sa	Appareil destine a creer des vagues dans des piscines.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1998045553A1 (fr)	1997-04-03	1998-10-15	Mehmet Zahit Inan	Generateur de vagues pour liquides
US6217256B1 (en)	1997-04-03	2001-04-17	Mehmet Zahit Inan	Wave machine for liquids
US9920544B1 (en)	2016-11-29	2018-03-20	Walter Judson Bennett	Plunger wave generator apparatus for efficiently producing waves in a body of water
US20210157342A1 (en) *	2018-07-31	2021-05-27	Liquid Time Pty Ltd	Current control systems and wave pools including same
US11966239B2 (en) *	2018-07-31	2024-04-23	Liquid Time Ltd	Current control systems and wave pools including same

Also Published As

Publication number	Publication date
DE69507449D1 (de)	1999-03-04
DE69507449T2 (de)	1999-06-02
ATE176024T1 (de)	1999-02-15
EP0732468B1 (de)	1999-01-20

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