Augmented wind power generation system using continuously variable transmission and method of operation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02P-009/04
F03D-009/00
출원번호
UP-0803837
(2007-05-16)
등록번호
US-7679207
(2010-04-21)
발명자
/ 주소
Cory, Kenneth D.
출원인 / 주소
V3 Technologies, L.L.C.
인용정보
피인용 횟수 :
2인용 특허 :
14
초록▼
A wind power generating apparatus is provided. The apparatus includes a plurality of vertically stacked wind acceleration modules that are shaped to accelerate wind passing between them. At least one of the modules includes a rotor assembly, a continuously variable transmission (CVT) mechanically co
A wind power generating apparatus is provided. The apparatus includes a plurality of vertically stacked wind acceleration modules that are shaped to accelerate wind passing between them. At least one of the modules includes a rotor assembly, a continuously variable transmission (CVT) mechanically coupled to the rotor assembly, and an electrical generator mechanically coupled to the CVT. The electrical generator is capable of converting mechanical energy transferred by the CVT from the rotor assembly into electrical energy. A sensor may be mechanically coupled to the rotor assembly or the electrical generator and electrically coupled to a controller. The controller may control the CVT according to a signal received from the sensor such that the electrical generator operates within a predetermined range of rotational velocities.
대표청구항▼
What is claimed is: 1. A wind power generating system, comprising a plurality of vertically stacked wind acceleration modules shaped to accelerate wind passing through the modules, wherein a first one of the plurality of modules comprises: a rotor assembly; a continuously variable transmission (CVT
What is claimed is: 1. A wind power generating system, comprising a plurality of vertically stacked wind acceleration modules shaped to accelerate wind passing through the modules, wherein a first one of the plurality of modules comprises: a rotor assembly; a continuously variable transmission (CVT) mechanically coupled to the rotor assembly; an electrical generator mechanically coupled to the CVT; a sensor mechanically coupled to one of the rotor assembly and the electrical generator; and a controller electrically coupled to the sensor and to the CVT, wherein the electrical generator is configured to convert mechanical energy transferred by the CVT from the rotor assembly into electrical energy, and wherein the controller is configured to determine a range of rotational velocities and is configured to control the CVT such that the electrical generator operates within the range of rotational velocities, the range of rational velocities being based upon a signal received from the sensor. 2. The system of claim 1, wherein the controller is further configured to control the CVT to prevent rotation of the electrical generator. 3. The system of claim 1, wherein the rotor assembly further comprises a pitch control mechanism electrically coupled to the controller and the controller is further configured to control a pitch of the rotor assembly according to the signal received from the sensor. 4. The system of claim 1, wherein the first one of the plurality of modules is substantially circularly symmetrical about a vertical axis and the rotor assembly is configured to move within the module along a circular path concentric with the axis of symmetry of the module. 5. The system of claim 4, further comprising a tower, wherein the rotor assembly, CVT and electrical generator are mounted on a platform and the platform is rotatably mounted to the tower. 6. The system of claim 5, wherein the first one of the plurality of modules further comprises a second rotor assembly, CVT and electrical generator mounted on the platform. 7. The system of claim 6, wherein the platform is configured to rotate from a first position to a second position, wherein the electrical energy generated by the electrical generator in the second position is greater than the electrical energy generated by the electrical generator in the first position. 8. A method of generating electrical power from wind, for use with a plurality of vertically stacked wind acceleration modules, the method comprising: transmitting mechanical energy from a rotor assembly mounted in one of the plurality of modules to an electrical generator through a transmission having an input mechanically coupled to the rotor assembly and an output; varying the ratio of the rotational speed of the transmission input to the rotational speed of the transmission output over a continuous range of values; and generating electrical energy with an electrical generator mechanically coupled to the transmission output, wherein the plurality of vertically stacked wind acceleration modules are shaped to accelerate wind passing through the modules, and wherein the electrical generator operates within a range of rotational velocities, the range of rotational velocities being based upon a signal received from a sensor mechanically coupled to one of the rotor assembly and the electrical generator. 9. The method of claim 8, further comprising sensing a rotational speed of one of the transmission input and the transmission output, wherein varying the ratio further comprises varying the ratio according to the sensed rotational speed such that the electrical generator operates within a predetermined range of rotational speeds. 10. The method of claim 9, further comprising preventing transmission of mechanical energy from the rotor assembly to the rotating electrical generator according to the sensed rotational speed. 11. The method of claim 9, further comprising controlling a pitch of the rotor assembly according to the sensed rotational speed. 12. The method of claim 8, wherein the one of the plurality of modules is substantially circularly symmetrical about a vertical axis and the method further comprises moving the rotor assembly within the module along a circular path concentric with the axis of symmetry of the module. 13. The method of claim 12, wherein the rotor assembly and electrical generator are mounted on a platform, the method further comprising rotating the platform about a tower from a first position to a second position, wherein the electrical energy generated by the electrical generator in the second position is greater than the electrical energy generated by the electrical generator in the first position. 14. A wind power generating apparatus, comprising: a rotor assembly; a continuously variable transmission (CVT) mechanically coupled to the rotor assembly; and an electrical generator mechanically coupled to the CVT, wherein the electrical generator is configured to convert mechanical energy transferred by the CVT from the rotor assembly into electrical energy, wherein the wind power generating apparatus is coupled to an acceleration module shaped to accelerate wind passing through the module, and wherein the electrical generator operates within a range of rotational velocities, the range of rotational velocities being based upon a signal received from a sensor mechanically coupled to one of the rotor assembly and the electrical generator. 15. The apparatus of claim 14, wherein the controller is further configured to control the CVT to prevent rotation of the electrical generator. 16. The apparatus of claim 14, wherein the rotor assembly further comprises a pitch control mechanism electrically coupled to the controller and the controller is further configured to control a pitch of the rotor assembly according to the signal received from the sensor. 17. The apparatus of claim 14, further comprising a second rotor assembly, CVT and electrical generator. 18. The apparatus of claim 17, wherein the first and second rotor assembly, CVT and electrical generator are configured to move from a first position to a second position, wherein the electrical energy generated by the electrical generator in the second position is greater than the electrical energy generated by the electrical generator in the first position.
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이 특허에 인용된 특허 (14)
Lee,Paul Z., Continuously variable ratio transmission.
Feddersen, Lorenz; Siebenthaler, Eckardt; Andresen, Bj?rn, Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control.
Feddersen, Lorenz; Siebenthaler, Eckardt; Andresen, Bj?rn, Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control.
Feddersen,Lorenz; Siebenthaler,Eckardt; Andresen,Bj철rn, Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control.
Cory, Kenneth D., Toroidal augmented wind power generation system using a modified and integrated vertical axis wind turbine rotor and generator assembly.
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