Multiple horizontal axis type rotors are coaxially attached along the upper section of an elongate torque transmitting tower/driveshaft. The tower/driveshaft projects upward from a cantilevered bearing means, and is bent downwind, until the rotors become sufficiently aligned with the wind to rotate
Multiple horizontal axis type rotors are coaxially attached along the upper section of an elongate torque transmitting tower/driveshaft. The tower/driveshaft projects upward from a cantilevered bearing means, and is bent downwind, until the rotors become sufficiently aligned with the wind to rotate the entire tower/driveshaft. Power is drawn from the shaft at the base. Surface mount, subsurface mount, and marine installations, including a sailboat, are disclosed. Blade-to-blade lashing, and vertical axis rotor blades may also be included. Vertical and horizontal axis type rotor blades may be interconnected along the length of the tower/driveshaft to form a structural lattice, and the central shaft may even be eliminated. Aerodynamic lifting bodies or tails, buoyant lifting bodies, buoyant rotor blades, and methods of influencing the tilt of the rotors, can help elevate the structure. This wind turbine can have as few as one single moving part.
대표청구항▼
1. A floating marine wind turbine installation, comprising: a single cylindrical housing comprising a rigid hollow tube that extends below the surface of the water; anda single wind turbine supported by said single cylindrical housing. 2. The floating marine wind turbine installation of claim 1, fur
1. A floating marine wind turbine installation, comprising: a single cylindrical housing comprising a rigid hollow tube that extends below the surface of the water; anda single wind turbine supported by said single cylindrical housing. 2. The floating marine wind turbine installation of claim 1, further comprising a ballast counterweight attached to the lower end of said tube. 3. The floating marine wind turbine installation of claim 1, further comprising a floatation means proximate an upper end of said tube. 4. The floating marine wind turbine installation of claim 1, further comprising a single tower. 5. The floating marine wind turbine installation of claim 4, wherein said tower is mounted co-axially to said tube. 6. The floating marine wind turbine installation of claim 1, further comprising an anchor means. 7. The floating marine wind turbine installation of claim 1, wherein cylindrical housing has an axis, wherein said cylindrical housing is free to rotate about said axis. 8. The floating marine wind turbine installation of claim 1, further comprising a continuous power conduit means comprising an electrical cable. 9. The floating marine wind turbine installation of claim 1, wherein said cylindrical housing comprises a heavy lower section comprising a ballast counterweight, which is significantly more dense than water, and therefore sinks. 10. The floating marine wind turbine installation of claim 2, wherein said ballast counterweight comprises a ballast material filling the bottom of said tube. 11. The floating marine wind turbine installation of claim 10, wherein said ballast material is selected from the group of gravel, sand, and concrete. 12. The floating marine wind turbine installation of claim 2, wherein said tube and said counterweight support a tower in a substantially upwardly projecting direction, against the forces of gravity and the wind. 13. The floating marine wind turbine installation of claim 3, wherein said floatation means comprises said hollow tube. 14. The floating marine wind turbine installation of claim 13, wherein said hollow tube has a buoyant upper section, which is less dense than water, and therefore floats. 15. The floating marine wind turbine installation of claim 14, wherein said cylindrical housing comprises a heavy lower section comprising a ballast counterweight, which is significantly more dense than water, and therefore sinks. 16. The floating marine wind turbine installation of claim 15, wherein said tube and said counterweight support said tower in a substantially upwardly projecting direction, against the forces of gravity and the wind. 17. The floating marine wind turbine installation of claim 4, further comprising a ballast counterweight attached to the lower end of said tube, wherein said counterweight, by being pulled downward, acts to maintain a substantially upward aim to the direction in which a lower section of said tower projects from the surface. 18. The floating marine wind turbine installation of claim 5, further comprising a ballast counterweight attached to the lower end of said tube, wherein said counterweight, by being pulled downward, acts to maintain a substantially upward aim to the direction in which a lower section of said tower projects from the surface.
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이 특허에 인용된 특허 (23)
Bailey David Z. (214 Bowen St. Providence RI 02906), Apparatus for utilization of energy from fluids.
Krolick Robert S. (San Rafael CA) Storey James S. (South San Francisco CA) LeFever Robin E. (Oakland CA), Helicoidal structures, useful as wind turbines.
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