Deep offshore floating wind turbine and method of deep offshore floating wind turbine assembly, transportation, installation and operation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03B-013/12
F03D-011/04
출원번호
US-0002308
(2009-08-04)
등록번호
US-8169099
(2012-05-01)
국제출원번호
PCT/US2009/004465
(2009-08-04)
§371/§102 date
20101231
(20101231)
국제공개번호
WO2010/021655
(2010-02-25)
발명자
/ 주소
Roznitsky, Samuel
Roznitsky, Moshe
Roznitsky, Yoel
Roznitsky, Hilela
출원인 / 주소
Roznitsky, Samuel
대리인 / 주소
Vishev, Esq., Anna
인용정보
피인용 횟수 :
12인용 특허 :
7
초록▼
A deep off-shore floating wind turbine apparatus and methods of manufacturing, operating, maintaining, protecting and conveying the wind turbine apparatus. The wind turbine includes a rotor converting a motion of air into a movement of the rotor, a hub housing equipment that transforms the movement
A deep off-shore floating wind turbine apparatus and methods of manufacturing, operating, maintaining, protecting and conveying the wind turbine apparatus. The wind turbine includes a rotor converting a motion of air into a movement of the rotor, a hub housing equipment that transforms the movement of the rotor into a useful form of energy, and a tower supporting the hub on one end. The wind turbine further includes a base floating substantially at water surface and movable with respect to the underlying solid surface. The tower is connected to the floating base on the second end. The wind turbine also includes a tilting mechanism tilting the wind turbine into a substantially horizontal orientation and bringing it back into an upright position, as well as a rotating mechanism operable to control azimuth orientation of the wind turbine.
대표청구항▼
1. A deep offshore floating wind turbine comprising: a rotor operable to convert a motion of air into a movement of the rotor;a hub housing equipment that transforms the movement of the rotor into a useful form of energy;a floating base movable with respect to an underlying solid surface, the hub an
1. A deep offshore floating wind turbine comprising: a rotor operable to convert a motion of air into a movement of the rotor;a hub housing equipment that transforms the movement of the rotor into a useful form of energy;a floating base movable with respect to an underlying solid surface, the hub and the rotor being mounted on the floating base;a tower fixedly connected to the hub to support the hub on one end and fixedly connected to the floating base on the other end; anda tilting mechanism operable to tilt the wind turbine and to bring it into an upright position. 2. The wind turbine according to claim 1, further comprising a controller operable to control operation of the wind turbine. 3. The wind turbine according to claim 2, wherein the floating base comprises a plurality of pontoons, each pontoon including a filling and draining mechanism operable to selectively fill and drain the each pontoon. 4. The wind turbine according to claim 3, wherein the tilting mechanism tilts and brings the wind turbine into the upright position by filling and draining predetermined pontoons of the plurality of pontoons in accordance with a first set of predetermined commands issued by the controller. 5. The wind turbine according to claim 2, further comprising a rotating mechanism attached to the floating base, the rotating mechanism being operable to change an azimuth orientation of the wind turbine by rotating the wind turbine around an axis of the tower in accordance with a second set of predetermined commands issued by the controller. 6. The wind turbine according to claim 3, wherein the floating base further comprises a rigid frame supporting the plurality of pontoons, the tower being fixedly secured to the rigid frame. 7. The wind turbine according to claim 6, further comprising a ballast accommodated within the rigid frame. 8. The wind turbine according to claim 7, wherein the ballast has a predetermined weight and position. 9. The wind turbine according to claim 1, further comprising at least one anchor positioned on the underlying solid surface and connected to the floating base. 10. The wind turbine according to claim 1, wherein at least the hub and pontoons of the floating base are watertight. 11. The wind turbine according to claim 10, wherein at least one of the hub, the tower and the floating base include a ballast-fillable compartment. 12. The wind turbine according to claim 11, wherein the ballast-fillable compartment includes a filling and draining mechanism operable to selectively fill or drain the ballast-fillable compartment with a ballast. 13. The wind turbine according to claim 12, wherein the ballast is one of a high-density material and water. 14. The wind turbine according to claim 7, wherein the ballast is one of a high-density material and water. 15. The wind turbine according to claim 1, further comprising a sail secured to the tower, the sail being operable to assist in changing an azimuth orientation of the wind turbine. 16. The wind turbine according to claim 9, further comprising a tether tension-adjusting mechanism connecting the floating base to the anchor. 17. A method of operating a deep offshore wind turbine having a hub, a rotor, a tower, a floating base with a plurality of pontoons, and a tilting mechanism, the method comprising the steps of: positioning the wind turbine at a predetermined deep offshore location such that the floating base is located substantially at a water surface and is movable with respect to an underlying solid surface;using the tilting mechanism to control a vertical position of the wind turbine by distributing a ballast between at least the pontoons;using the rotor to convert a motion of air into a movement of the rotor;using equipment housed in the hub to transform the movement of the rotor into a useful form of energy; andusing a tower to support the hub and the rotor, said tower being fixedly connected to the floating base on one end and fixedly connected to the hub on another end. 18. The method according to claim 17, wherein the step of using the tilting mechanism to control the vertical position includes selectively filling and draining predetermined pontoons with a water ballast. 19. The method according to claim 18, wherein the step of using the tilting mechanism to control the vertical position includes selectively filling and draining at least one of compartments formed within the hub, the tower and the floating base. 20. The method according to claim 17, wherein the step of using the tilting mechanism to control the vertical position includes submersing the wind turbine at least partially below the water surface by filling selected pontoons and selected compartments of the hub, the tower and the floating base with the ballast. 21. The method according to claim 17, further comprising a step of anchoring the wind turbine to the underlying solid surface such that the floating base is movable with respect to the underlying solid surface. 22. The method according to claim 17, further comprising a step of conveying the wind turbine to the predetermined deep offshore location. 23. The method according to claim 22, wherein the step of conveying the wind turbine further comprises floating the wind turbine in a reclined position by filling selected pontoons and selected compartments of the hub, the tower and the floating base with the ballast. 24. The method according to claim 23, wherein said floating of the wind turbine includes at least partially submersing the wind turbine below the water surface. 25. The method according to claim 23, wherein the step of conveying the wind turbine further comprises towing the floating wind turbine to the predetermined location. 26. The method according to claim 25, wherein the step of conveying the wind turbine further comprises bringing the wind turbine into an upright position by readjusting the ballast in the pontoons and in the selected compartments of the hub and the tower. 27. The method according to claim 17, further comprising a step of controlling an azimuth orientation of the wind turbine by utilizing a rotational mechanism to rotate the wind turbine around an axis of the tower. 28. A method of deploying a deep offshore wind turbine for converting motion of air into a useful form of energy, the wind turbine having a hub, a rotor, a tower, a floating base with a plurality of pontoons, and a tilting mechanism, the method comprising the steps of: manufacturing the wind turbine at a dry dock;conveying the wind turbine to a predetermined deep offshore location by floating the wind turbine in a reclined position by filling at least selected pontoons with a ballast;positioning the wind turbine at the predetermined deep offshore location; andusing the tilting mechanism to bring the wind turbine into an upright position by redistributing the ballast among the pontoons such that the floating base is located substantially at a water surface and the tower is substantially vertically oriented. 29. The method according to claim 28, wherein the step of conveying comprises using a tow boat to tow the wind turbine to the predetermined deep offshore location. 30. The method according to claim 28, wherein the floating of the wind turbine further comprises filling selected compartments of at least one of the hub, the tower and the floating base with the ballast. 31. The method according to claim 30, wherein the step of bringing the wind turbine into the upright position further comprises draining the selected compartments of the at least one of the hub, the tower and the floating base. 32. The method according to claim 28, further comprising controlling the reclined position of the wind turbine by controlling and re-distributing the ballast between at least the pontoons. 33. The method according to claim 28, further comprising a step of anchoring the wind turbine to an underlying solid surface such that the floating base is movable with respect to the underlying solid surface. 34. The method according to claim 28, further comprising a step of controlling an azimuth orientation of the wind turbine using a rotational mechanism to rotate the wind turbine around an axis of the tower. 35. A method of maintaining a deep offshore wind turbine for converting motion of air into a useful form of energy, the wind turbine having a hub, a rotor, a tower, a floating base with a plurality of pontoons, and a tilting mechanism, the method comprising the steps of: retaining the wind turbine in an upright position at a predetermined offshore location by filling at least selected pontoons with a ballast such that the floating base is located substantially at a water surface and the tower is substantially vertically oriented;bringing the wind turbine into a reclined position by redistributing the ballast among the pontoons such that the wind turbine is afloat in the reclined position;conveying the wind turbine to a dry dock by floating the wind turbine in the reclined position; andperforming maintenance of the wind turbine at the dry dock. 36. The method according to claim 35, wherein said floating of the wind turbine includes at least partially submersing the wind turbine below the water surface. 37. The method according to claim 35, wherein the step of conveying the wind turbine further comprises towing the floating wind turbine to the dry dock. 38. The method according to claim 35, further comprising a step of controlling the reclined position of the wind turbine by controlling and re-distributing the ballast between at least the pontoons. 39. The method according to claim 35, wherein the step of bringing the wind turbine into the reclined position further comprises using the tilting mechanism to fill selected compartments of at least one of the hub, the tower and the floating base with the ballast. 40. The method according to claim 35, further comprising a step of controlling an azimuth orientation of the wind turbine using a rotational mechanism to rotate the wind turbine around an axis of the tower. 41. A method of protecting a deep offshore wind turbine from severe weather, the wind turbine being operable for converting motion of air into a useful form of energy, the wind turbine having a hub, a rotor, a tower, a floating base with a plurality of pontoons, and a tilting mechanism; the method comprising the steps of: positioning the wind turbine at a predetermined deep offshore location such that the floating base is located substantially at a water surface;retaining the wind turbine in an upright position during favorable weather by filling at least selected pontoons with a ballast such that the tower is substantially vertically oriented;using the tilting mechanism to bring the wind turbine into a reclined position during unfavorable weather by redistributing the ballast among the pontoons and submersing the wind turbine below the water surface at a predetermined depth; andusing the tilting mechanism to return the wind turbine into the upright position at passing of the unfavorable weather by readjusting the ballast in the pontoons and in selected ballast-tillable compartments of the hub and the tower. 42. The method according to claim 41, further comprising controlling an azimuth orientation of the wind turbine by using a rotational mechanism to rotate the wind turbine around an axis of the tower. 43. The method according to claim 41, wherein the step of retaining the wind turbine in the upright position includes selectively filling and draining predetermined pontoons with the ballast. 44. The method according to claim 41, wherein the step of using the tilting mechanism to bring the wind turbine into the reclined position includes selectively filling at least one of the ballast-fillable compartments of the hub and the tower with the ballast. 45. The method according to claim 41, wherein the step of submersing the wind turbine at a predetermined depth below water surface in the reclined position comprises controlling an amount of the ballast in selected pontoons and selected compartments of the hub and the tower. 46. The method according to claim 41, further comprising a step of anchoring the wind turbine to an underlying solid surface. 47. A method of conveying a deep offshore wind turbine for converting motion of air into a useful form of energy, the wind turbine having a hub, a rotor, a tower, a floating base with a plurality of pontoons, and a tilting mechanism, the method comprising the steps of: using the tilting mechanism to bring the wind turbine into a reclined position by filling at least selected pontoons with a ballast;conveying the wind turbine to a predetermined deep offshore location by floating the wind turbine in the reclined position;positioning the wind turbine at the predetermined deep offshore location; andusing the tilting mechanism to bring the wind turbine into an upright position by redistributing the ballast among the pontoons such that the floating base is located substantially at a water surface and the tower is substantially vertically oriented. 48. The method according to claim 47, wherein the step of using the tilting mechanism to bring the wind turbine into the reclined position comprises filling selected compartments of the hub, the tower and the floating base with the ballast. 49. The method according to claim 47, wherein said floating of the wind turbine includes at least partially submersing the wind turbine below the water surface. 50. The method according to claim 47, wherein the step of conveying the wind turbine further comprises towing the floating wind turbine to the predetermined location. 51. The method according to claim 47, wherein the step of using the tilting mechanism to bring the wind turbine into the upright position further comprises readjusting ballast in ballast-fillable compartments of the hub and the tower.
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이 특허에 인용된 특허 (7)
Lagerwey Hendrik Lambertus,NLX, Artificial wind turbine island.
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