Water sports device
A water sports device is provided, and includes at least one propulsion device which has at least one motor. The motor can be controlled by a control unit and is provided for propelling the water sports device. The parts of the propulsion device are arranged on sides of the foil and/or retaining device or—if separate connection elements are arranged between these two devices—between these two devices, and can be moved with the foil device from a starting and/or resting position into the operating position and back. In order to propel or pull the water sports device, the device has its own propulsion device. This is part of the retaining and/or foil device, which can move relative to the floating body, in that at least one propulsion element in the form of a propeller or impeller accelerating water against the principal direction of movement is moved with the respective device (retaining and/or foil device).
1. A water sports device comprising:
a floating body;
a foil device;
a retaining device securing the floating body with the foil device;
at least one propulsion device which has at least one motor, wherein the at least one propulsion device can be controlled by a control unit and which is provided for propelling the water sports device;
an electric terminal or inductive terminal zone for the charging of a propulsion energy accumulator;
wherein the foil device, arranged on a link of the retaining device, has one or more foils and the foil device can be transferred via the retaining device from a resting and/or starting position close to the floating body into an operating position below the floating body,
wherein the floating body in the operating position and during a forward movement can be moved by an uplift force produced by the foil device into a position in which it is distant from a water surface.
2. The water sports device as claimed in claim 1 , wherein the propulsion device comprises at least one shaftless and/or hubless impeller or propeller, wherein the impeller is connected by at least two openings to the surroundings.
3. The water sports device as claimed in claim 2 , wherein the motor comprises a hollow rotor, forming with its inner side a flow duct, wherein the motor further comprising carrying blades as well as an outer stator arranged in a propulsion body housing.
4. The water sports device as claimed in claim 3 , wherein the rotor comprises permanent magnets situated alongside each other in the circumferential direction, being secured to the rotor in particular by a bearing ring.
5. The water sports device as claimed in claim 1 , wherein a sideways projecting housing wall of the propulsion body housing or a propulsion body housing forms a water inlet.
6. The water sports device as claimed in claim 1 , wherein the propulsion device is removably secured to a mount of the foil device.
7. The water sports device as claimed in claim 1 , further including a handle of the propulsion device, which handle covers a recess of the propulsion body housing.
8. A water sports device comprising:
a floating body;
a foil device;
a retaining device securing the floating body with the foil device;
at least one propulsion device which has at least one motor, wherein the at least one propulsion device can be controlled by a control unit and which is provided for propelling the water sports device;
wherein the foil device, arranged on a link of the retaining device, has one or more foils and the foil device can be transferred via the retaining device from a resting and/or starting position close to the floating body into an operating position below the floating body, wherein the floating body in the operating position and during a forward movement can be moved by an uplift force produced by the foil device into a position in which it is distant from a water surface
wherein a propulsion energy accumulator also forming an outer contour of the water sports device is removably secured to the rest of the water sports device.
9. The water sports device as claimed in claim 1 , further including an accumulator sensor to monitor the propulsion energy accumulator, the water sports device being designed to reduce the power or switch off the propulsion device based on the signal of the accumulator sensor.
10. The water sports device as claimed in claim 1 , further including a communication unit arranged in or on the floating body.
11. The water sports device as claimed in claim 1 , wherein the propulsion device can be operated both in the resting and/or starting position and in the operating position.
12. The water sports device as claimed in claim 1 , wherein the floating body comprises at least one propulsion body mount and/or recesses for the retaining device.
13. The water sports device as claimed in claim 1 , further including two propulsion devices.
14. The water sports device as claimed in claim 13 , wherein a wing of the foil device extends between the two propulsion devices.
15. The water sports device as claimed in claim 1 , wherein the control unit is arranged in or on the retaining or foil device.
16. The water sports device as claimed in claim 1 , wherein the water sports device comprises at least one sensor from a group made up of gyro sensors, velocity sensors, position sensors (GPS, Glonass, Beidou etc.), distance sensors (echo sounder, sonar), infrared sensors and tilt sensors.
17. The water sports device as claimed in claim 16 , wherein the control unit is designed to process the signals of the sensors.
18. The water sports device as claimed in claim 1 , wherein the retaining device comprises a drive, by which the foil device can be moved from a resting and/or starting position into the operating position and/or from the operating position into the resting and/or starting position.
19. A water sports device comprising:
a floating body:
a foil device;
a retaining device securing the floating body with the foil device, the retaining device comprising a drive, by which the foil device can be moved from a resting and/or starting position into the operating position and/or from the operating position into the resting and/or starting position;
at least one propulsion device which has at least one motor, wherein the at least one propulsion device can be controlled by a control unit and which is provided for propelling the water sports device;
wherein the foil device, arranged on a link of the retaining device, has one or more foils and the foil device can be transferred via the retaining device from a resting and/or starting position close to the floating body into an operating position below the floating body,
wherein the floating body in the operating position and during a forward movement can be moved by an uplift force produced by the foil device into a position in which it is distant from a water surface;
wherein the drive comprises an energy accumulator, wherein the energy accumulator having at least one spring can be tensioned.
20. The water sports device as claimed in claim 19 , wherein the drive comprises a gear unit, by which the drive motor of the drive is connected to the energy accumulator.
21. The water sports device as claimed in claim 18 , wherein the water sports device comprises a braking device which releases and/or brakes the movement of the foil device.
22. The water sports device as claimed in claim 1 , wherein the propulsion device is designed for thrust control.
23. The water sports device as claimed in claim 1 , wherein the motor of the propulsion device, situated at the floating body side, is connected in a driving manner by an angle- and/or length-movable drive train to a propulsion element located underwater.
24. The water sports device as claimed in claim 16 , wherein the water sports device includes a sensor arrangement usable for position determination and the control unit is designed to generate control signals based on signals of the sensor arrangement for purposes of geofencing.
25. The water sports device as claimed in claim 1 , wherein the control unit is designed to communicate with a control unit of another propulsion device of the same or another water sports device and is designed to generate control signals for one or both propulsion devices based on the position, control and/or driving signals or data relayed by the other water sports device.
26. The water sports device as claimed in claim 1 , wherein the control unit is associated with a headset comprising at least one head sensor to pick up movements of at least part of the head of a person located on the water sports device in operation.
27. The water sports device as claimed in claim 1 , further including at least one movement status sensor to determine the distance of the floating body and/or the foil device from the water surface.
28. The water sports device as claimed in claim 1 , further including an optical display unit.
29. The water sports device as claimed in claim 8 , further including an accumulator sensor to monitor the propulsion energy accumulator, the water sports device being designed to reduce the power or switch off the propulsion device based on the signal of the accumulator sensor.
30. The water sports device as claimed in claim 8 , further including an accumulator sensor to monitor the propulsion energy accumulator, the water sports device being designed to reduce the power or switch off the propulsion device based on the signal of the accumulator sensor.