WO2017174364A1

WO2017174364A1 - Floating device for generating a wave on a body of water

Info

Publication number: WO2017174364A1
Application number: PCT/EP2017/056891
Authority: WO
Inventors: Simon Garben
Original assignee: Simon Garben
Priority date: 2016-04-04
Filing date: 2017-03-22
Publication date: 2017-10-12
Also published as: DE102016106094A1

Abstract

The invention relates to a floating device (2) for generating a wave (12) on a body of water (10) in that the floating device (2) moves through the body of water (10) in a first movement direction (A), comprising a first floating element (20), a second floating element (21), and a flow resistor (22) which is arranged between the two floating elements (20, 21) transversely to the first movement direction (A) and which is designed such that the body of water (10) can be deflected upwards such that a wave (12) can be formed between the two floating elements (20, 21).

Description

TITLE

Floating device for generating a wave on a body of water

DESCRIPTION

The invention relates to a floating device for generating a wave on a body of water according to claim 1 and two systems for generating a wave on a body of water with such a floating device according to claims 13 and 15.

In the field of water sports, various species are known to glide on a body of water. These include e.g. surfing, waterskiing, kiteboarding and / or wakeboarding. Surfing is also known as surfing. This is understood to mean a gliding ride with surfboards on a water wave or on a water roller over a water surface. The surfer gains his sliding speed by taking the steep side of a wave, i. the wave slope, down or is carried by a roller or flushed.

The surf is usually in the surf near the coast, i. on the open sea. There and on larger waters can be surfed on waves generated by strong wind.

The disadvantage of surfing in the surf is that it can only be surfed where a corresponding surf can arise. Thus, many coastal areas separate by nature for surfing. Furthermore, it is only possible to surf, albeit one

corresponding surf is present, which may depend on natural conditions such as current, wind, etc., which can not be influenced. Thus stands the Possibility to surf in the surf not everywhere and / or not always available.

This also applies to surfing on waves generated by strong wind, which may allow surfing on a standing inland water, but only at or after correspondingly strong wind conditions. These constellations rarely occur and can also not be influenced in their time of occurrence and their duration. Thus, surfing on waves generated by strong wind is not always available.

Furthermore, the river surfing is known. River surfing as an example of gliding on a flowing water is a form of surfing, surfing on standing waves or, more rarely, on tidal waves with a surfboard. A standing wave arises on the surface of a flowing water, if the water overflows an obstacle. This can be a rock or step in the river bed. The difference to surfing at sea is essentially that when surfing, the water flows under the surfer, i. The surfer is more or less on the spot, while surfing on the ocean, the wave pushes the surfer from behind. While surfing, the surfer moves contrary to the direction of flow of the river, while surfing on the sea, the wave and the surfer move in the same direction. When surfing on standing waves thus the (counter) flow of a river is exploited.

An advantage of river surfing is that rivers are also located far away from the coasts, so that a river for river surfing can be faster and easier to reach for many surfers than the coast, especially as a suitable coastal section for surfing. Furthermore, rivers occur much more frequently and more evenly distributed than standing waters, the one

have sufficient size, so that there could be generated by strong wind generated waves, which would be suitable for surfing. The disadvantage, however, is that not every river is suitable for river surfing. So that a river can be used for river surfing, the standing wave must reach a certain size, be as even as possible and have sufficient water depth. This in turn depends on the amount of water and the flow velocity of the river. Preferably, non-breaking waves are used.

However, these conditions are only reached in very few places in nature. Most of these conditions are created by human hands such. with a concrete tub or a weir. In the German-speaking area, the Eisbach in Munich is known for its ability to surf on a standing wave.

Therefore, river surfing also includes bungee boarding, also known as bungee surfing, which can be used on rivers where the og. Conditions for surfing on a standing wave, in particular a sufficient flow velocity of the river, are not given. Here, an elastic rope with a rope end on the shore or on a stationary structure such. attached to a bridge and the surfer holds the other end of the elastic rope with his hands or attached to the surfboard. Then the surfer can be expelled from the river, taking advantage of the flow resistance of his surfboard, i. he straightens his surfboard with the surface in the

Flow flow, so that the flow resistance of the surfboard is increased and the rope can be stretched significantly. When the rope is sufficiently tensioned, the river surfer releases the resistance to the flow of the river and is catapulted by the contracting rope over the water surface in the direction of the rope attachment. Through this

Towing motion against the flow of current, the relative velocity needed to generate the buoyancy for the surfboard can be generated to surf on the river otherwise unsuitable for river surfing. The disadvantage here is that bungee boarding can be dangerous for the surfer. Thus, the catapulting movement can not be controlled and controlled, so that there is a risk that the surfer is pulled against an obstacle such as the bridge or floating objects in the river and can not slow down or avoid. Furthermore, after the end of the catapult-like movement, the surfer can become entangled in the elastic rope which is now co-flowing with the river and thereby drown. Another disadvantage is that the catapult-like movement of the surfboard, although a very fast but i.Allg. timely short movement occurs, which leads to a correspondingly short surfing pleasure for the surfer. Also, the catapult-like movement for beginners can be difficult to control, so the pleasure of river surfing through bungee boarding will take some time to get used to and maybe not even. Furthermore, a largely uneven speed of the surfboard is achieved.

From DE 10 2014 018 369 B1, a device for gliding on a flowing water with two buoyant bodies, such as e.g. a surfboard and a sail or raft known. The two buoyancy bodies are by means of a non-extensible rope as possible via a pulley mechanism, which on a stationary object such. a bridge pier is fixed, connected in opposite directions. As a result, the two buoyancy bodies can perform movements in substantially opposite directions to each other on the flowing water. Through the translation of the

Pulley mechanism can reduce the speed of the surfboard against the

Flow of the flowing water against the speed of the raft can be increased with the flow of the flowing water so that the surfboard can experience a sufficient relative speed against the flowing water to allow a surf on a flowing water, its own

Flow rate would not be sufficient for this.

The disadvantage here is that this device can only be operated on flowing waters, because the raft must be driven off with the flow to produce by means of the translation of the pulley mechanism, the movement of the surfboard. On a stagnant water this device can not be used.

An object of the present invention is to provide an alternative means of creating a wave on a body of water to provide opportunities for gliding on a flowing and / or standing water such as surfing and / or wakeboarding. In particular, a possibility should be created, which can be used both on a flowing and on a stagnant water to generate a wave for example surfing and / or wakeboarding. The object is achieved by the features of claim 1 and the

Claims 13 and 15 solved. Advantageous developments are described in the subclaims.

Thus, the present invention relates to a floating device for generating a wave on a body of water in that the floating device moves in a first direction of movement through the water. The waters can be a standing

Waters such as be a lake, but also a flowing water such as influence. The waters can also be a sea.

The movement of the floating device through the water can be passive, e.g. by pulling the floating device e.g. by a winch on the shore of a lake or a sea, by one on the shore, e.g. a rope circulating a lake as in a wakeboard installation, by a winch on a bridge pier of a river and / or by deflection of a rope on a bridge pier of a river with a sail, raft or the like as traction means such as e.g. described in DE 10 2014 018 369 Bl.

Alternatively, the floating device may also be powered by a watercraft such as a boat. be pulled by a boat like water skiing, a jet ski or the like. Also, the floating device may be powered by a land vehicle, such as a land vehicle. a car, a motorcycle or the like are pulled. Furthermore, the floating device may also be provided by an aircraft, such as an aircraft. an airplane, a helicopter or

to be pulled like that.

Alternatively, the floating device may itself have a drive to move automatically through the water. In this case, preferably two drives may be provided, e.g. one drive per float to achieve the most uniform and straightforward movement through the water.

The floating device has a first float and a second float. This can be air-filled closed body made of plastic or plastic Be rubber, which may have a rigid outer skin or a flexible outer skin. Alternatively, these may also be floats made of light and voluminous material such as Styrofoam or the like. Also, these agents and / or materials can be used in combination. The floats preferably have an elongated shape with the lowest possible flow resistance in the longitudinal direction, wherein the first direction of movement of the floating device in the longitudinal direction.

The floating device further has a flow resistance, which is arranged and formed between the two floating bodies transversely to the first direction of movement such that the water can be deflected upwards such that a wave can form between the two floating bodies. This wave can e.g. from a person e.g. used for surfing or wakeboarding. The flow resistance may be an edge or a similar planar element. In this case, the present invention is based on the recognition, by the two laterally outer floating body, which extend in the first direction of movement and are spaced transversely to the first direction of movement, to provide a mobile flow channel, which has a flow resistance. By the movement of the floating device in the first direction of movement through the water a certain amount of water is trapped laterally between the two floats and supplied to the flow resistance. By deflecting this amount of water up the flow resistance, an artificial wave is generated which is e.g. for surfing, wakeboarding or other water sports or leisure activities can be used. The distance between the two floating bodies transversely to the first direction of movement may preferably be at least approximately 3 meters.

In other words, according to the invention, the generation of a wave is made possible by the fact that the moving and stationary elements are exchanged with respect to the natural or customary artificial generation of a wave. If a wave naturally arises when a body of water moves toward a flow resistance such as the shore of a coast at the sea or a rock or a step in the river bed, then according to the invention the flow resistance through the standing or relatively slower Waters moved through. This leads to the same interaction between water and flow resistance, but can be dispensed with a change in the background of an existing body of water. The two floats form the lateral boundaries of a

Flow channel, so that by the trapped between the floats water more effective generation of a wave can be done as if a

Flow resistance would be moved through the water alone. Furthermore, this can be generated as a uniform wave between the two floats, which is e.g. is very desirable for surfing and wakeboarding. Furthermore, in this way an unwanted propagation of the generated wave at least perpendicular to the first direction of movement, i. to the side, on which waters are avoided. Otherwise, otherwise other persons and / or watercraft and the like are disturbed, which could restrict or prevent the use of the floating device according to the invention.

For this purpose, the arrangement of the first float, flow resistance and second float is preferably constructed mirror-symmetrically to the longitudinal or longitudinal axis of the floating device to generate a uniform from the middle in the transverse direction outwards to the two floats back towards.

It is advantageous that the height or slope of the shaft u.a. can be determined by the speed of the floating device through the water. Thus, a very simple and direct-acting option is available to adjust the height of the shaft as needed. As a result, the difficulty of the e.g. Surfens be set on the wave.

According to one aspect of the present invention, the floating device further comprises a bottom member which extends flat in the horizontal between the two floating bodies, wherein the bottom member in the first direction of movement upstream of the flow resistance is arranged and formed so that the water above the bottom element can be supplied to the flow resistance. The bottom element preferably ends laterally, ie transversely with respect to the direction of movement, with the two floating bodies, so that the bottom element and the two floating bodies form a U-profile which is essentially closed transversely to the direction of movement. As a result, it is possible to form a flow channel in the first direction of movement of the floating device, which defines the body of water and can supply it laterally to the flow resistance. As a result, the effect of the flow resistance can be improved, so that a higher wave can be generated under otherwise identical boundary conditions.

The floor element may be attached to one of the two floats or both

Float transverse to the direction of movement laterally, but also at an angle or from below. The floor element can be flush with one of the two floats or with both floats, which can increase the enclosing effect of the water. The floor element may also be connected interrupted with one of the two floating bodies or with both floats.

The flow resistance can be arranged counter to the first movement direction behind the bottom element independently of the bottom element, so that a distance in the longitudinal direction can occur between the bottom element and the flow resistance. In this way, the shaft can be generated at the rear end of the floor element, whereby it can be used over its entire extent as possible in the longitudinal direction for guiding the water. Further, a person having the generated wave e.g. used for surfing, in this way be as far away as possible from the front edge of the floor element, in order to collide with the front edge of the floor element in the event of a fall

Floor element to avoid.

Preferably, however, the flow resistance with the rear edge of the

Floor element, ie, with its edge against the first direction of movement, at least partially and preferably completely and uninterruptedly connected to the trapped water as completely as possible and vortex-free of the bottom element the Supply flow resistance and use for wave generation. In particular, the flow resistance may be a component of the floor element.

According to a further aspect of the present device, the bottom element has collision protection at least in the first direction of movement. This

Collision protection can be an elastic and / or soft material such as e.g. Foam, fabric or the like. Also, this collision protection can be an air-filled elastic body. This collision protection can be applied to the upper side of the floor element and particularly preferably around the edge pointing in the first direction of movement, i. the leading edge, the bottom element to be arranged around. This may each serve to protect a person having the wave generated by the floating device e.g. for surfing, if the person should fall from the surfboard to the floor element or in the first direction of movement in front of the floor element. According to a further aspect of the present invention, the flow resistance is formed by an edge which has an angle α with respect to the horizontal. In other words, as a flow resistance, an inclined plane to the horizontal plane used, which between the two floats and, if necessary. The

Bottom element trapped water deflects upwards. By a larger angle α, a higher or steeper wave can be generated at the same speed through the water, whereby the degree of difficulty of the e.g. Surfens can be adjusted on the wave.

The angle α can be fixed, for example by the fixed mounting of the edge between the two floats and or or on the bottom element. The angle α can also be fixed by the edge is a part of the bottom element and by means of a fixed mounting or by a one-piece design, for example, by bending up, against the bottom element is predetermined. Alternatively, the angle α can also be changed by the edge relative to the two floats and or or the bottom element can be changed in position, as explained in detail below. According to another aspect of the present invention, the edge is formed so that the angle α of the edge is fixedly adjustable for use. In other words, the angle α between different positions can be changed, which can be fixed, for example by means of screws, bolts, etc. There may be discrete settings or stepless

Setting to be selected. As a result, a setting for the current use of the floating device can be selected and the floating device can then be operated in this form. If the use of the floating device is interrupted, the setting of the angle α can be changed. In other words, the angle α of the edge in different position for the duration of each use is fixed.

According to another aspect of the present invention, the edge is formed so that the angle α of the edge is variably adjustable during use. Discrete settings or stepless adjustment can be selected. The setting may e.g. via pneumatic or hydraulic cylinders which can be moved in and out, e.g. to generate a pivoting movement of the edge. The energy stores, etc. which may be required for this purpose may preferably be connected to and / or in the

Floating bodies be arranged.

This can provide a faster and more convenient way to make the desired setting between different uses, eg for the duration of the next use. Preferably, however, this possibility of changing the setting of the angle α can be used during use in order to change the height of the shaft while the floating device moves through the water and, if necessary, is used by a person, for example for surfing. This can increase the comfort of use, for example, by starting with a flatter and easier to surf wave and, in the course of use by a larger angle α, a steeper and harder to surf wave can be set without having to interrupt surfing. Also, the setting of the angle α may continuously change while surfing, which may be an additional challenge for the surfer. Also, so different real surf conditions can be simulated to prepare by means of the floating device according to the invention, for example, a professional surfing on the conditions of a particular real Surfrevieres for a competition.

The change of this setting may e.g. from another person e.g. on the shore or on a boat pulling the floating device. The transmission of control signals required for this purpose may e.g. via radio or wired e.g. via a pull rope over which the floating device is pulled through the water.

According to a further aspect of the present invention, the edge is formed continuously transversely to the first direction of movement, so that the angle α over the extension of the edge is substantially identically adjustable. In this way, a substantially constant wave can be generated between the two floats over the entire distance in the transverse direction. This can allow a particularly easy or pleasant surfing. For this, e.g. in the transverse direction, a setting possibility for the angle α may be provided in the middle in order to set the edge substantially identically to the horizontal over the entire width. Preferably, a plurality of transversely distributed adjustment options are provided, e.g. to avoid deflection of the edge by the force of the water to be deflected, which could lead to an uneven shaft. This setting may be fixed for the duration of use or may be variable during the period of use.

According to a further aspect of the present invention, the edge has at least one first edge region and at least one second edge region, which are formed such that the angle α of each edge region is individually adjustable relative to the horizontal. In this case, each edge region can be fixed individually or variably individually for the duration of the use. In this way, the settings per edge area can be made easier. It is advantageous in particular that different settings for each

Edge area can be made, thereby making versatile

There are possibilities to influence the generated wave. In particular, in this way, a wave can be generated which is different in height in the transverse direction, which is e.g. for experienced surfers can be very interesting. These settings, too, can be changed the same way or differently, e.g. to simulate real surfing areas as realistically as possible. Also, different surfing situations can be due to this complex

Setting options are adjusted as realistic as possible. According to another aspect of the present invention, at least one

Float to a deflector, which is formed so that an angle ß of the deflecting element with respect to the vertical is adjustable. This deflecting element may be an edge, a flap or the like, which may protrude from the surface of the corresponding float at the angle ß. This allows a deflection of the trapped between the two floats water from the corresponding float off to the center of the flow channel out. Hereby, too, influence can be exerted on the generated wave, in order to make this e.g. more difficult and / or interesting to use. This possibility of influencing the generated wave can also be described e.g. to simulate real surfing or different

Surf situations are used.

According to another aspect of the present invention, at least one

Floats are preferably both floats, inflatable. As a result, the volume of the floating body for transport, shipping and / or storage can be significantly reduced. Also, an air-filled float can be a very cost-effective implementation of such a floating body.

According to another aspect of the present invention, at least one

Float, preferably both floats are non-destructively separable from the flow resistance and or or from the bottom element. For example, these elements can be plugged together via corresponding mechanical holders and secured, for example, by means of clip closures or the like. This can be a fast and facilitate easy assembly and disassembly while ensuring reliable durability of the connections. The disassembled elements can significantly reduce the volume of the floating device as a whole for shipping, shipping and / or storage.

According to another aspect of the present invention, at least one

Floats, preferably have both floats, at their the first

Moving direction facing away from a control device, in particular a rudder, on. In this way, a possibility for influencing the direction of movement of the floating device can be created.

In particular, the controller may be adjusted as a rudder to a certain angle when the floating device is e.g. is pulled through a body of water from a bank parallel to the first direction of movement so as to steer it away from the shore by the rudder, in which the floating device is drawn to the shore. Can the floating device according to the invention in

Substantially drawn in a straight line, can be dispensed with this control device or these are adjusted in the longitudinal direction in order not to train movement

affect.

The present invention also relates to a plant for producing a wave on a body of water, in particular on a stagnant water, with a floating one

Device as described above and at least one first stationary pulling device, which can be connected by means of a first pulling means with the floating device, wherein the first stationary pulling device is designed to be able to pull the floating device at least partially in a first direction of movement through the water. As pulling means can preferably be used a winch, so that the traction means is a rope. The traction device can be arranged, for example, on the shore of a standing body of water, such as a lake, or on, for example, a bridge pier of a bridge that leads over a flowing body of water, such as a river. The traction device can also be part of a for example be standing water circulating system such as a wakeboard system. The traction device may be stationary in the sense that it is permanently fixed at this position. However, the traction device may also be stationary in the sense that it is mobile, for example as a mobile winch or as a winch on a vehicle, but is parked stationary during the period of operation.

In any case, by such a system, the use of a floating device according to the invention on a body of water, which is preferably a stagnant water, take place. The waters can also be the sea.

According to a further aspect of the present invention, the system further comprises at least one second stationary pulling device, which by means of a second

Traction means can be connected to the floating device, wherein the second stationary pulling device is designed to pull the floating device at least partially in a second direction of movement through the water, the second direction of movement deviates from the first direction of movement, preferably the first direction of movement substantially opposite is.

In this way, a floating device according to the invention can be used longer by the floating device alternately through one of the two

Towing is attracted to itself and the other drawbar while idle and the respective traction means lets go, so that it with the floating

Device can be pulled along. This can cause a back and forth, e.g. on the bank of a stagnant water such as of a lake.

The present invention also relates to a plant for producing a wave on a body of water, in particular on a flowing body of water, with a floating one

Device as described above, a third floating body and a stationary deflecting device, which is arranged and adapted to be able to connect the floating device and the third floating body by means of a first pulling means such that the floating device of the third

Float at least partially in a first direction of movement through the Waters can be drawn by the third float moves in a second direction of movement through the water, the second direction of movement deviates from the first direction of movement, preferably the first direction of movement is substantially opposite.

In this way, a use of a floating device according to the invention can take place on a body of water, in particular a flowing body of water. In particular, a floating device according to the invention can be used in a device for gliding on a flowing water according to DE 10 2014 018 369 Bl as the first buoyant body, which from the second buoyancy body such. can be pulled by a sail against the direction of flow of the flowing water.

Several embodiments and further advantages of the invention are described below

Explained in connection with the following figures. It shows:

Fig. 1 is a schematic side view of a floating according to the invention

Device during use in general;

Fig. 2 is a schematic plan view of Fig. 1;

FIG. 3 shows a schematic cross-sectional view of FIG. 1 in a first state according to a first exemplary embodiment; FIG.

FIG. 4 shows the view of FIG. 3 in a second state; FIG.

5 shows a schematic cross-sectional view of FIG. 1 in a first state according to a second embodiment;

Fig. 6 is a schematic plan view of a first system for using a

Floating device according to the invention; and

Fig. 7 is a schematic plan view of a second system for using a

Floating device according to the invention.

Fig. 1 shows a schematic side view of a floating device 2 according to the invention during use in general. FIG. 2 shows a schematic plan view of FIG. 1. FIG. A floating device 2 according to the invention comprises a first floating body 20 and a second floating body 21, which are substantially in one

Longitudinal direction X and extend parallel to each other. In the transverse direction Y are the two floating bodies 20, 21 both by a bottom element 24 and by a

Flow resistance 22 in the form of an edge 22 spaced from each other. The edge 22 is attached to the rear edge of the floor element 24, counter to a first direction of movement A, in which the floating device 2 can be pulled through a body of water 10. The edge 22 is adjustable relative to the horizontal XY, which is formed by the longitudinal direction X and the transverse direction Y, by an angle α.

By the bottom element 24 and the edge 22, the two floating bodies 20, 21 are spaced apart from each other such that in the transverse direction Y, a U-shaped profile (see Fig .. 3 to 5) is formed, which is a flow channel. Will now the floating

Device 2 is pulled in the first direction of movement A by means of a first pulling means 33 in the form of a first cable 33 through the water 10, water is trapped laterally between the two floats 20, 21 and from below by the flat surface element 24 arranged flat and the edge 22 supplied. Due to the inclination of the edge 22 in the height Z high to the surface of the water 11 by the angle α, the water is deflected upward, so that a shaft 12 is formed substantially above the edge 22. The height of the shaft 12 depends both on the speed of the first movement A through the water 10 and on the angle α of the edge 22.

The artificial wave 12 produced thereby can be used by a person 41 for surfing by means of a surfboard 40. In this case, the person 41 together with surfboard 40 moves with the shaft 12 and thus with the floating device 2 with. As a result, an artificial possibility for surfing on a shaft 12 can be created.

So that the person 41 can not possibly injure himself at the front edge of the floor element 24, the floor element 24 is provided in this area with a collision protection 25 in the form of a soft and elastic material. In order to be able to influence the generated wave 12 in its course, the inside of the second floating body 21 has a deflection element 26, which is set at an angle β with respect to the vertical XZ, which in this case is formed by the longitudinal direction X and the height Z can be. This allows the water laterally from the

Be deflected inside the second float 21, which affects the formation of the shaft 12.

Both floats 20, 21 have at their the first direction of movement A.

remote end in each case a control device 27 in the form of a rudder 27. As a result, the first movement direction A can be influenced. For example, if the first cable 33 makes a pulling movement slightly to the left, e.g. to a bank 30, towards (see Fig. 6), so can be generated by a corresponding adjustment of the two rudders 27 to the right a slight rotational action of the floating device 2 about its vertical axis to the right to compensate for the pulling force to the left and a

resulting movement to effect straight ahead.

FIG. 3 shows a schematic cross-sectional view of FIG. 1 in a first state according to a first exemplary embodiment. In order to change the setting of the angle α, the floating device 2 in the rear region of the bottom element 24, i. in the direction away from the first direction of movement A, three adjusting elements 23a, 23b, 23c, which are designed as lifting cylinders 23a, 23b, 23c. The three lifting cylinders 23a, 23b, 23c are spaced apart in the transverse direction Y and distributed uniformly

arranged. The three lifting cylinders 23a, 23b, 23c are each connected to the edge 22, which is formed continuously in the transverse direction Y. In this way can be a uniform

Adjustment of the edge 22 or the angle α to take place between the two

Floats 20, 21 form a uniform wave as possible 12, which can be found to surf very pleasant.

Fig. 4 shows the view of Fig. 3 in a second state. Here, the three lifting cylinders 23a, 23b, 23c are set differently, so that the first lifting cylinder 23a on the far left Particularly high, the third lift cylinder 23c rightmost particularly low and the middle lift cylinder 23b is set at a mean height Z. In this way, an obliquely in the transverse direction Y position of the edge 22 is reached, which drops from left to right. As a result, a corresponding shaft 12 is formed, which can be interesting and challenging for surfing due to its contour.

FIG. 5 shows a schematic cross-sectional view of FIG. 1 in a first state according to a second exemplary embodiment. In this case, the edge 22 is in three separate

Edge regions 22a, 22b, 22c divided, which can be individually and independently adjusted by a lifting cylinder 23a, 23b, 23c. Here, everyone points

Edge region 22a, 22b, 22c has its own angle α (not shown).

This makes it possible to make even more different settings of the resulting edge 22. For example, as shown in FIG. 5, this may be a setting in which the two outer edge portions 22a, 22c are set high and the middle edge portion 22b is set low. This can lead to a shaft 12 which tapers from the two floating bodies 20, 21 towards the middle in the transverse direction Y. Again, this can be interesting and challenging for surfing. 6 shows a schematic plan view of a first installation for the use of a floating device 2 according to the invention. In this case, the floating device 2 is used on a stagnant water 10 such as a lake 10. To generate the pulling movement, a first traction device 31 as the first winch 31 stationary, ie stationary, is arranged on the bank 30 as a lateral boundary 30 of the lake 10. The first winch 31 is connected via the first pulling means 33 in the form of the cable 33 with the one front tip of the second floating body 21 of the floating device 2. A second stationary pulling device 32 in the form of a second cable winch 32 is arranged in the longitudinal direction X a few 100 meters apart. The second winch 32 is connected via a second traction means 34 in the form of a second cable 34 with the rear tip of the second floating body 21 of the floating device 2 opposite in the longitudinal direction X. If now the second cable 34 is left loose and the first cable 33 is pulled in by the first cable winch 31, a tensile force is exerted on the floating device 2 in the longitudinal direction X to the left of FIG. 6, so that the floating device 2 in the first Moving direction A moves and in this case the shaft 21 builds. If the first cable 33 retracted as far as possible, so that a movement parallel to the shore 30 is no longer possible, then the two cables 33, 34 are to be exchanged with respect to the position of their attachment to the floating device 2.

Then the first cable 33 can be left loose and the second cable 34 can be pulled in by the second cable winch 32, so that a movement of the floating device 2 takes place in the second movement direction B, which corresponds to the first movement direction A in FIG

Is essentially opposite. Again, the shaft 12 can be used for surfing. In this way, use of the floating device 2 for surfing on the shore 30 can be made back and forth.

FIG. 7 shows a schematic plan view of a second installation for the use of a floating device 2 according to the invention. In this case, the floating device 2 is used on a flowing water 10 in the form of a flow 10. The floating device 2 is connected to a third float 37 via the first cable 33. In this case, the first cable 33 is deflected by means of a stationary deflection device 38 in the form of a stationary pulley 38 such that the floating

Device 2 and the third float 37 parallel to each other movements in

Substantially in the longitudinal direction X can perform. The stationary pulley 38 is attached to a stationary object 36 in the form of a bridge pillar 36 of a stationary structure 35 in the form of a bridge 35.

In this way, the third floating body 37 can be driven off in the second direction of movement B with the flow of the flowing body of water 10, whereby the floating device 2 is pulled in the first direction of movement A against the flow of the flowing body of water 10 by means of the deflection of the stationary pulley 38 , By this relative movement of the floating device 2, the shaft 12 can be constructed so that the person 41 can surf on the shaft 12. If the floating device 2 has approached the bridge pier 36 far enough, then the third floating body 37 can reduce its flow resistance, for example by raising its surface, and the floating device 2 can increase its flow resistance so that the third floating body 37 returns from the floating device 2 Bridge pier 36 can be pulled out. If the third floating body 37 has approached the bridge pier 36 far enough, then these respective ones can

Flow resistances of the floating device 2 and the third floating body 37 are reversed again, so that the generation of the shaft 12 can start again from the beginning. In this way, use of the floating device 2 for surfing on a river 30 can be made up and down.

REFERENCE LIST (part of the description)

A first direction of movement or first direction of pull through waters 10 B second direction of movement or second direction of pull through bodies of water 10

X longitudinal direction, X direction

Y transverse direction, Y direction

Z height, Z direction

XY Horizontal, horizontal plane

XZ Vertical, vertical plane α Angle of the flow resistance 22 with respect to the horizontal XY ß Angle of the deflector 26 with respect to the vertical YZ, XZ 10 (standing or flowing) waters

11 surface of the water

12 wave, wavefront

2 floating device

20 first float

21 second float

22 flow resistance, edge

22a first edge region

22b second edge region

22c third edge area

23a first adjusting element, first lifting cylinder

23b second adjusting element, second lifting cylinder

23c third adjusting element, third lifting cylinder

24 (flat) floor element

25 collision protection of the floor element

26 deflection element

27 control device, rudder 30 lateral boundary of the water body 10, shore

31 first stationary drawbar, first winch

32 second stationary drawbar, second winch

33 first traction means, first rope

34 second traction means, second rope

35 stationary building, bridge

36 stationary object of the stationary structure 35, pier

37 third float, raft

38 stationary deflection device, stationary pulley block

40 surfboard, wakeboard

41 person, user, surfer

Claims

Floating device (2) for generating a shaft (12) on a body of water (10) in that the floating device (2) in a first

Movement direction (A) through the water (10) moves, with

a first floating body (20),

a second floating body (21), and

a flow resistance (22), which is arranged and formed between the two floating bodies (20, 21) transversely to the first direction of movement (A) in such a way that the water (10) can be deflected upwards in such a way that between the two floats ( 20, 21) can form a shaft (12).

The floating device (2) according to claim 1, further comprising

a bottom element (24) extending flat in the horizontal (XY) between the two floating bodies (20, 21),

wherein the bottom element (24) in the first direction of movement (A) in front of the

Flow resistance (22) is arranged and designed such that the

Water (10) above the bottom element (24) can be supplied to the flow resistance (22).

Floating device (2) according to claim 2,

wherein the bottom element (24) has collision protection (25) at least in the first direction of movement (A).

Floating device (2) according to one of the preceding claims,

wherein the flow resistance (22) is formed by an edge (22) having an angle (a) with respect to the horizontal (XY).

5. Floating device (2) according to claim 4,

wherein the edge (22) is formed so that the angle (a) of the edge (22) is fixed for use. 6. Floating device (2) according to claim 4,

wherein the edge (22) is formed so that the angle (a) of the edge (22) is variably adjustable during use.

7. Floating device (2) according to one of claims 4 to 6,

wherein the edge (22) is formed continuously transversely to the first direction of movement (A), so that the angle (a) over the extension of the edge (22) is substantially identically adjustable.

8. Floating device (2) according to one of claims 4 to 6,

wherein the edge (22) has at least one first edge portion (22a) and at least one second edge portion (22b) formed such that the angle (α) of each edge portion (22a, 22b) is individually adjustable with respect to the horizontal (XY) , 9. Floating device (2) according to one of the preceding claims,

wherein at least one floating body (20; 21) has a deflecting element (26) which is formed so that an angle (β) of the deflecting element (26) relative to the vertical (YZ; XZ) is adjustable. 10. Floating device (2) according to one of the preceding claims,

wherein at least one floating body (20; 21), preferably both floating bodies (20, 21), is / are inflatable.

11. Floating device (2) according to one of the preceding claims,

wherein at least one float (20; 21), preferably both floats

(20, 21), from the flow resistance (22) and / or from the bottom element (24) is non-destructive separable / are. Floating device (2) according to one of the preceding claims,

wherein at least one floating body (20; 21), preferably both floating bodies (20, 21), at its the first direction of movement (A) facing away from a control device (27), in particular a rudder (27), has / have.

Plant for generating a wave (12) on a body of water (10), in particular on a stagnant body of water (10), with

a floating device (2) according to one of claims 1 to 12, and at least one first stationary pulling device (31) which can be connected to the floating device (2) by means of a first pulling means (33), the first stationary pulling device (31 ) is formed, the floating device (2) at least partially in a first direction of movement (A) to be able to pull through the water body (10).

The system of claim 13, further comprising

at least one second stationary pulling device (32), which can be connected to the floating device (2) by means of a second pulling means (34),

wherein the second stationary pulling device (32) is designed to be able to pull the floating device (2) through the body of water (10) at least in sections in a second direction of movement (B),

wherein the second direction of movement (B) deviates from the first direction of movement (A), preferably is substantially opposite to the first direction of movement (A).

Plant for generating a shaft (12) on a body of water (10), in particular on a flowing body of water (10), with

a floating device (2) according to one of claims 1 to 12, a third floating body (37), and

a stationary deflecting device (38), which is arranged and configured to be able to connect the floating device (2) and the third floating body (37) to one another by means of a first traction means (33), so that the floating device (2) of the third floating body (37) at least partially in a first direction of movement (A) through the water (10) can be pulled by the third float (37) in a second direction of movement (B) through the water ( 10) moves,