Disclosed is a wind power generating apparatus in which windmill blades are mounted in a multi-stage fashion to a rotating shaft while being spaced apart from one another to efficiently generate wind power. Each windmill blade includes blade bodies mounted to the rotating shaft, and provided with wi
Disclosed is a wind power generating apparatus in which windmill blades are mounted in a multi-stage fashion to a rotating shaft while being spaced apart from one another to efficiently generate wind power. Each windmill blade includes blade bodies mounted to the rotating shaft, and provided with wind pressure adjusting holes, wind pressure adjusting plates coupled to each blade body, and connected together to a wire, each wind pressure adjusting plate being slidable along guides respectively arranged at opposite sides of the associated wind pressure adjusting hole to adjust an opening degree of the wind pressure adjusting hole, elastic members each adapted to connect one end of the associated wire to the associated blade body, and winches each adapted to connect the other end of the associated blade body, the winches being mounted to a single shaft to simultaneously wind or unwind all wire.
대표청구항▼
What is claimed is: 1. A windmill blade comprising: blade bodies mounted to a rotating shaft to form a blade assembly, each of the blade bodies receiving pressure of wind while being provided with a plurality of wind pressure adjusting holes; a plurality of wind pressure adjusting plates coupled to
What is claimed is: 1. A windmill blade comprising: blade bodies mounted to a rotating shaft to form a blade assembly, each of the blade bodies receiving pressure of wind while being provided with a plurality of wind pressure adjusting holes; a plurality of wind pressure adjusting plates coupled to each of the blade bodies while being connected together to an associated one of wires, each of the wind pressure adjusting plates being slidable along guides respectively arranged at opposite sides of an associated one of the wind pressure adjusting holes provided at an associated one of the blade bodies, thereby adjusting an opening degree of the associated wind pressure adjusting hole; elastic members each adapted to connect one end of an associated one of the wires to one side portion of an associated one of the blade bodies; winches each adapted to connect the other end of an associated one of the wires to the other side portion of an associated one of the blade bodies, the winches being mounted to a single shaft to simultaneously wind or unwind the wires; and means for driving the winches. 2. The windmill blade according to claim 1, wherein the driving means comprises: a pinion gear mounted to the shaft carrying the winches, and a rack gear engaged with the pinion gear; and a cylinder connected to the rack gear, and adapted to perform extension a retraction operations for linearly moving the rack gear in accordance with a variation in wind force. 3. The windmill blade according to claim 1, wherein the driving means comprises: a worm mounted to the shaft carrying the winches, and a worm gear engaged with the worm; and a reduction motor connected to the worm gear, and adapted to rotate the worm gear in accordance with a variation in wind force. 4. The windmill blade according to claim 1, wherein: the wind pressure adjusting holes formed at each of the blade bodies are arranged in several columns in a longitudinal direction of the blade body; each of the wind pressure adjusting plates respectively associated with the wind pressure adjusting holes comprises upper and lower wind pressure adjusting plates configured to be sequentially slidable in longitudinal directions, thereby sequentially opening or closing the associated wind pressure adjusting hole; and the lower wind pressure adjusting plate is connected to the blade body by an elastic member, the upper and lower wind pressure adjusting plates are connected to each other by engagement jaws formed at facing ends of the upper and lower wind pressure adjusting plates, and the upper wind pressure adjusting plate is connected to an associated one of the wires at an end thereof opposite to the end thereof carrying an associated one of the engagement jaws. 5. A windmill blade comprising: blade bodies mounted to a rotating shaft to form a blade assembly, each of the blade bodies receiving pressure of wind while being provided with a plurality of wind pressure adjusting holes; a plurality of wind pressure adjusting plates coupled to each of the blade bodies while being connected to chains each forming a loop, respectively, each of the wind pressure adjusting plates being slidable along guides respectively arranged at opposite sides of an associated one of the wind pressure adjusting holes provided at an associated one of the blade bodies, thereby adjusting an opening degree of the associated wind pressure adjusting hole; a plurality of first sprockets mounted to one side portion of an associated one of the blade bodies, each of the first sprockets supporting one aide portion of an associated one of the chains; a plurality of second sprockets mounted to a single shaft, each of the second sprockets supporting the other side portion of an associated one of the chains to rotate an associated one of the first sprockets in a clockwise or counterclockwise direction; and means for driving the second sprockets. 6. The windmill blade according to claim 5, wherein the driving means comprises a reduction motor directly connected to the shaft carrying the second sprockets by a coupling member. 7. The windmill blade according to claim 5, wherein the wind pressure adjusting holes formed at each of the blade bodies are arranged in a lateral direction of the blade body; each of the wind pressure adjusting plates respectively associated with the wind pressure adjusting holes comprises upper and lower wind pressure adjusting plates configured to be sequentially slidable in lateral directions, thereby sequentially opening or closing the associated wind pressure adjusting hole; and the upper and lower wind pressure adjusting plates are connected to each other by engagement jaws formed at facing ends of the upper and lower wind pressure adjusting plates, and the lower wind pressure adjusting plate is connected to an associated one of the chains, via an associated one of the first sprockets, at an end of the lower plate opposite to the end of the lower plate carrying an associated one of the engagement jaws. 8. A windmill blade comprising: blade bodies mounted to a rotating shaft to form a blade assembly, each of the blade bodies receiving pressure of wind while being provided with a plurality of wind pressure adjusting holes; a plurality of wind pressure adjusting plate pairs coupled to each of the blade bodies in association with the wind pressure adjusting holes, respectively, each of the wind pressure adjusting plate pairs comprising upper and lower wind pressure adjusting plates being slidable along guides respectively arranged at opposite sides of the associated wind pressure adjusting hole, thereby adjusting an opening degree of the associated wind pressure adjusting hole; first cylinders each adapted to slide the upper wind pressure adjusting plate of an associated one of the wind pressure adjusting plate pairs along the guides associated with the associated wind pressure adjusting plate pair; and second cylinders each mounted to the upper wind pressure adjusting plate of an associated one of the wind pressure adjusting plate pair, and adapted to slide the lower wind pressure adjusting plate of the associated wind pressure adjusting plate pair along the guides associated with the associated wind pressure adjusting plate pair. 9. A wind power generating apparatus for transmitting a rotating force of windmill blades rotated by wind to a wind power utilizing device via a power transmission unit, comprising: primary, secondary, and third windmill blades mounted to the rotating shaft on at least one iron tower while being arranged along the rotating shaft, each of the windmill blades having a configuration according to any one of claims 1 to 8; and a turning unit for turning a windmill support die connected to the rotating shaft carrying the primary, secondary, and third windmill blades along a circular rail supported by the iron tower, the windmill support die being slidably supported by upper and lower rollers. 10. The wind power generating apparatus according to claim 9, wherein the primary windmill blade is arranged at a front portion of the rotating shaft, the secondary and third windmill blades are arranged at a rear portion of the rotating shaft, and a balance weight is arranged at a front end of the rotating shaft to balance the rotating shaft.
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이 특허에 인용된 특허 (3)
Dawson, Mark H.; Wallace, Jack A., Telescoping wind turbine blade.
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