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A device for utilizing the kinetic energy of flowing water with several pressure surfaces rotating around a common rotor axis. The pressure surfaces can be pivoted around axes arranged parallel to and spaced from the rotor axis, in particular for the production of energy from tidal currents of the s

A device for utilizing the kinetic energy of flowing water with several pressure surfaces rotating around a common rotor axis. The pressure surfaces can be pivoted around axes arranged parallel to and spaced from the rotor axis, in particular for the production of energy from tidal currents of the sea. The pressure surfaces are attached to the pivot axes in a pendulum-like manner and stop elements for the pressure surfaces are arranged in the radial planes between the pivot axes and the rotor axis. The pivot axes of the pressure surfaces are attached by their ends to support disks radially directed towards the rotor axis. The support disks are located at the ends of the rotor axis. The support disks are embodied in at least a double-walled manner. Alternatively or additionally each pressure surface is embodied at least in a double-walled manner.

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1. A device for utilizing kinetic energy of flowing water with several pressure surfaces rotating around a rotor axle, the pressure surfaces being pivotable around axles arranged parallel to and spaced around the rotor axle, the pressure surfaces being attached to the pivot axles in a pendulum-like

1. A device for utilizing kinetic energy of flowing water with several pressure surfaces rotating around a rotor axle, the pressure surfaces being pivotable around axles arranged parallel to and spaced around the rotor axle, the pressure surfaces being attached to the pivot axles in a pendulum-like manner, and stop elements for the pressure surfaces being arranged in radial planes between the pivot axles and the rotor axle, the pivot axle of the pressure surfaces being attached by their ends to support disks radially directed towards the rotor axle and the support disks being located at the ends of the rotor axle and attached thereto, such that the pivot axles of the pressure surfaces remain parallel to and maintain a same spacing around the rotor axle during rotation of the device, the support disks being embodied in at least a double-walled manner, and additional surfaces distributed asymmetrically over a rotational circle and positioned crosswise to a direction of flow on the support disk and further comprising additional pressure surfaces arranged in planes of the pressure surfaces on sides facing away from the pressure surfaces with respect to the pivot axles, the additional pressure surfaces being structured to enlarge a leading surface area comprising the pressure surfaces and the additional pressure surfaces such that resistance of the pressure surfaces is increased with respect to the flowing water. 2. A device for utilizing kinetic energy of flowing water with several pressure surfaces rotating around a rotor axle, the pressure surfaces being pivotable around axles arranged parallel to and spaced from the rotor-axle and which are structured to rotate the device in any rotation direction, the pressure surfaces being attached to the pivot axles in a pendulum-like manner, and stop elements for the pressure surfaces being arranged in radial planes between the pivot axles and the rotor axle, each pressure surface of the pressure surfaces being embodied at least in a double-walled manner forming a hollow interior, wherein the pivot axles of the pressure surfaces are attached to support disks which rotate about and attach to the rotor axle such that the pivot axles of the pressure surfaces remain parallel to and maintain a same spacing around the rotor axle during rotation of the device, the support disks being structured to have an electric current applied thereto to provide an electrolysis process through which oxygen is generated in the support disks to increase the lightness of the support disks. 3. The device according to claim 2, wherein the pivot axles of the pressure surfaces are attached by their ends to the support disks radially directed towards the rotor axle, the support disks are located at ends of the rotor axle, and the support disks are embodied in at least a double-walled manner. 4. The device according to claim 1, wherein the rotor axle is aligned horizontally. 5. The device according to claim 1, wherein the rotor axle is armature shaft of an-electric underwater generator. 6. The device according to claim 1, wherein the support disks have low-resistance flow profiles. 7. The device according to claim 5, wherein the support disks are arranged on front faces of the electric underwater generator. 8. The device according to claim 1, further comprising a support frame that carries a rotor. 9. The device according to claim 8, wherein the support frame is attached at a site with attachment means. 10. The device according to claim 9, wherein the attachment means include ropes. 11. The device according to claim 5, wherein the electric underwater generator is configured to be temporarily reversed to engine operation to produce a starting torque acting on a rotor. 12. The device according to claim 1, wherein the rotor axle is a common rotor axle. 13. The device according to claim 2, wherein the rotor axle is a common rotor axle. 14. The device according to claim 3, further comprising additional surfaces distributed asymmetrically over a rotational circle and positioned crosswise to a direction of flow on the support disk. 15. The device according to claim 3, further comprising additional pressure surfaces arranged in planes of the pressure surfaces on sides facing away from the pressure surfaces with respect to the pivot axles. 16. The device according to claim 2, wherein the rotor axle is aligned horizontally. 17. The device according to claim 2, wherein the rotor axle is an armature shaft of an electric underwater generator. 18. The device according to claim 3, wherein the support disks have low-resistance flow profiles. 19. A device, comprising a rotor axle; andat least one support disk having a pressure surface, the at least one support disk attached to the rotor axle which rotates thereabout,wherein: the at least one support disk is embodied in a double-walled manner;the pressure surface is embodied in a double walled-manner forming a hollow interior; andadditional surfaces distributed asymmetrically over a rotational circle and positioned crosswise to a direction of flow on the at least one support disk and further comprising additional pressure surfaces arranged in planes of the pressure surfaces on sides facing away from the pressure surfaces with respect to pivot axles, wherein:the additional pressure surfaces enlarges a leading surface area comprising the pressure surface and the additional pressure surfaces such that resistance of the pressure surfaces is increased with respect to the flowing water;the at least one support disk is structured to have an electric current applied thereto to provide an electrolysis process through which oxygen is generated in the support disks to increase the lightness of the at least one support disk; andthe pressure surface and the additional pressure surfaces are rotatable about a pivot axle into: (i) a first position such that an apex is facing the rotor axle of the at least one support disk and the additional pressure surfaces extend away from the rotor axle, on an opposing side of the pivot axle;(ii) a second position such that the apex is facing away from the rotor axle of the at least one support disk and the additional pressure surfaces extend toward the rotor axle, on an opposing side of the pivot axle; and(iii) a third position, between the first position and the second position, such that the pressure surface and one surface of the additional pressure surfaces both face the rotor axle of the at least one support disk. 20. The device according to claim 19, wherein the at least one support disk is two support disks each having a pressure surface and aligned parallel to one another and arranged at a spacing from one another. 21. The device according to claim 20, wherein the pressure surfaces of the two support disks are arranged between the two support disks via pivot axles. 22. The device according to claim 21, wherein the pivot axles are aligned perpendicular to flat extensions of the two support disks. 23. The device according to claim 21, wherein the pressure surfaces are attached to the pivot axles in a pendulum-like manner. 24. The device according to claim 19, wherein the pressure surface has a taper. 25. The device according to claim 21, further comprising stop elements arranged in radial planes between the pivot axles and the rotor axle. 26. The device according to claim 25, wherein the pivot axles of the pressure surfaces are attached by their ends to the support disks radially directed towards the rotor axle. 27. The device according to claim 1, wherein the support disks are structured to have an electric current applied thereto to provide an electrolysis process through which oxygen is generated in the support disks to increase the lightness of the support disks. 28. The device according to claim 1, wherein the pressure surfaces include two planar surfaces which are configured to converge together at an apex of a tapered shape and which are both offset from the pivot axles as they diverge from the apex. 29. The device according to claim 28, wherein an axis of rotation of the pivot axles is aligned with the additional pressure surfaces, the apex and the pivot axles. 30. The device according to claim 29, wherein the additional pressure surfaces are offset from the two planar surfaces and aligned with the apex. 31. The device according to claim 30, wherein the pressure surfaces and the additional pressure surfaces are rotatable about the pivot axles into: (i) a first position such that the apex is facing the rotor axle of the support disks and the additional pressure surfaces extend away from the rotor axle of the support disks, on an opposing side of the pivot axles;(ii) a second position such that the apex is facing away from the rotor axle of the support disks and the additional pressure surfaces extend toward the rotor axle of the support disks, on an opposing side of the pivot axles; and(iii) a third position, between the first position and the second position, such that one surface of the pressure surfaces and one surface of the additional pressure surfaces both face the rotor axle of the support disks. 32. The device according to claim 31, wherein: (i) in the first position, the pressure surfaces are closer to the rotor axle of the support disks than the additional pressure surfaces; and(ii) in the second position, the additional pressure surfaces are closer to the rotor axle of the support disks than the pressure surfaces. 33. The device according to claim 19, wherein: the double walled-manner of the pressure surface includes two planar surfaces configured to converge together at an apex of a tapered shape and which further rotates about a pivot axle attached to the at least one support disk; andan axis of rotation of the pivot axle is aligned with the additional pressure surfaces, the apex and the pivot axle.