A wind turbine comprising: (1) a support portion; (2) a hub that is mounted to rotate adjacent the support portion; and (3) at least one turbine blade mounted adjacent the hub and that comprises both a rotor and a sail that is mounted adjacent the rotor. The rotor may be in the shape of an airfoil,
A wind turbine comprising: (1) a support portion; (2) a hub that is mounted to rotate adjacent the support portion; and (3) at least one turbine blade mounted adjacent the hub and that comprises both a rotor and a sail that is mounted adjacent the rotor. The rotor may be in the shape of an airfoil, and the sail is preferably mounted to be selectively extended and retracted adjacent the rotor. The wind turbine may include a boom that extends adjacent the rotor. In one embodiment, the sail is mounted so that the sail is stored adjacent within, or adjacent a rear surface of, the boom when the sail is in a retracted position. The exterior surface of the boom may be substantially in the shape of an airfoil. In one embodiment, the wind turbine is configured to selectively extend or retract its sails in response to varying weather conditions.
대표청구항▼
I claim: 1. A wind turbine comprising: a support portion; a hub that is mounted to rotate adjacent said support portion; at least one turbine blade mounted adjacent said hub, said at least one turbine blade comprising: (A) a rotor, and (B) a sail that is mounted adjacent said rotor, wherein: said r
I claim: 1. A wind turbine comprising: a support portion; a hub that is mounted to rotate adjacent said support portion; at least one turbine blade mounted adjacent said hub, said at least one turbine blade comprising: (A) a rotor, and (B) a sail that is mounted adjacent said rotor, wherein: said rotor is substantially in the shape of an airfoil, said sail is mounted to be selectively extended and retracted adjacent said rotor, and said wind turbine further comprises a furling mechanism that is adapted for selectively extending and retracting said sail adjacent said rotor, said furling mechanism being disposed substantially within said rotor. 2. The wind turbine of claim 1, wherein said furling mechanism is a roller furling mechanism. 3. The wind turbine of claim 1, wherein: said rotor is substantially planar; and said furling mechanism is adapted for selectively moving said sail adjacent said rotor by moving said sail substantially within a plane defined by said rotor. 4. The wind turbine of claim 1, wherein said sail is mounted so that at least a portion of said sail is stored adjacent a rear surface of said rotor when said sail is in a retracted position. 5. The wind turbine of claim 1, wherein said sail is mounted so that said sail is stored substantially entirely adjacent a rear surface of said rotor when said sail is in a retracted position. 6. The wind turbine of claim 1, wherein said sail is mounted so that at least a portion of said sail is stored within said rotor when said sail is in a retracted position. 7. The wind turbine of claim 1, wherein said sail is mounted so that said sail is stored substantially entirely within said rotor when said sail is in a retracted position. 8. The wind turbine of claim 1, wherein: said wind turbine comprises a boom that extends in a substantially fixed position adjacent said rotor; and said sail is mounted so that at least a portion of said sail extends between said rotor and said boom when said sail is in an extended position. 9. A wind turbine comprising: a support portion; a hub that is mounted to rotate adjacent said support portion; at least one turbine blade mounted adjacent said hub, said at least one turbine blade comprising: (A) a rotor, and (B) a sail that is mounted adjacent said rotor, wherein: said rotor is substantially in the shape of an airfoil and has a central axis, said sail is mounted to be selectively extended and retracted adjacent said rotor, said wind turbine further comprises a furling mechanism that is adapted for selectively extending and retracting said sail adjacent said rotor, and said furling mechanism is adapted for moving said sail in a direction that is substantially parallel to said central axis. 10. The wind turbine of claim 9, wherein said sail is mounted so that at least a portion of said sail is stored adjacent a rear surface of said rotor when said sail is in a retracted position. 11. The wind turbine of claim 9, wherein said sail is mounted so that said sail is stored substantially entirely adjacent a rear surface of said rotor when said sail is in a retracted position. 12. The wind turbine of claim 9, wherein said sail is mounted so that at least a portion of said sail is stored within said rotor when said sail is in a retracted position. 13. The wind turbine of claim 9, wherein said sail is mounted so that said sail is stored substantially entirely within said rotor when said sail is in a retracted position. 14. The wind turbine of claim 9, wherein: said wind turbine comprises a boom that extends in a substantially fixed position adjacent said rotor; and said sail is mounted so that at least a portion of said sail extends between said rotor and said boom when said sail is in an extended position. 15. The wind turbine of claim 9, wherein: said wind turbine comprises a boom that extends adjacent said rotor; and said sail is mounted so that: (A) at least a portion of said sail extends between said rotor and said boom when said sail is in an extended position, and (B) at least a portion of said sail is stored within said boom when said sail is in a retracted position. 16. A wind turbine comprising: a support portion; a hub that is mounted to rotate adjacent said support portion; at least one turbine blade mounted adjacent said hub, said at least one turbine blade comprising: (A) a rotor, and (B) a sail that is mounted adjacent said rotor, wherein: said rotor is substantially in the shape of an airfoil, said sail is mounted to be selectively extended and retracted adjacent said rotor, said wind turbine further comprises a boom that extends adjacent said rotor, said boom defining a boom recess, said sail is mounted so that: (A) at least portion of said sail extends between said rotor and said boom when said sail is in an extended position, and (B) at least a portion of said sail is stored within said boom when said sail is in a retracted position, and said sail is mounted so that at least a portion of said sail is stored within said boom recess when said sail is in said retracted position. 17. A wind turbine comprising: a support portion; a hub that is mounted to rotate adjacent said support portion; at least one turbine blade mounted adjacent said hub, said at least one turbine blade comprising: (A) a rotor, and (B) a sail that is mounted adjacent said rotor, wherein: said rotor is substantially in the shape of an airfoil, said sail is mounted to be selectively extended and retracted adjacent said rotor, said wind turbine further comprises a boom that extends adjacent said rotor wherein an exterior surface of said boom is substantially in the shape of an airfoil, and said sail is mounted so that: (A) at least portion of said sail extends between said rotor and said boom when said sail is in an extended position, and (B) at least a portion of said sail is stored within said boom when said sail is in a retracted position. 18. A wind turbine comprising: a support portion; a hub that is mounted to rotate adjacent said support portion; at least one turbine blade mounted adjacent said hub, said at least one turbine blade comprising: (A) a rotor, and (B) a sail that is mounted adjacent said rotor, wherein: said rotor is substantially in the shape of an airfoil and is comprised of a plurality of attached mast segments, each of said mast segments being at least 15 feet in length, and said sail is mounted to be selectively extended and retracted adjacent said rotor. 19. The wind turbine of claim 18, wherein said rotor is comprised of at least three of said attached mast segments. 20. The wind turbine of claim 18, wherein each of said attached mast segments comprises a primary support portion that has been formed using pultrusion techniques. 21. The wind turbine of claim 18, wherein each of said attached mast segments comprises a primary support portion that has been formed using filament winding techniques. 22. The wind turbine of claim 18, wherein each of said attached mast segments comprises a primary support portion that has been formed using a resin infusion techniques. 23. The wind turbine of claim 18, wherein each of said attached mast segments comprises a primary support portion that has been formed using thermoforming techniques.
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