초록 ▼

A wind turbine apparatus, comprising an upright shaft defining an upright axis, at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about the axis, the lowermost portion of each blade being offset, azimuthally, relative to the uppermost

A wind turbine apparatus, comprising an upright shaft defining an upright axis, at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about the axis, the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, baffles carried by the blades to project directionally to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about the axis.

대표청구항 ▼

We claim: 1. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, r

We claim: 1. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) and means for increasing the velocity of wind approaching said apparatus. 2. The apparatus of claim 1 wherein baffles project from each blade generally toward said axis, along the baffle lengths, which are elongated. 3. The apparatus of claim 2 wherein the baffles projecting from each blade extend in generally the same direction. 4. The apparatus of claim 1 wherein each blade, including said baffles, has one-piece configuration. 5. The apparatus of claim 1 wherein a major extent of each blade has unitary, molded synthetic resin configuration. 6. The apparatus of claim 2 wherein substantially the entire extent of each blade has unitary, molded synthetic resin configuration. 7. The apparatus of claim 6 wherein said resin consists of polyethylene. 8. The apparatus of claim 1 including spaced ribs integral with each blade, and operatively connected to said shaft. 9. The apparatus of claim 8 wherein the baffles extend generally lengthwise of the blade, and toward said ribs. 10. The apparatus of claim 9 wherein the ribs are outstanding from the blade to substantially greater extent than the baffles. 11. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) and including vertically spaced ribs integral with each blade, and operatively connected to said shaft, f) including plates integral with the ribs and connecting the ribs to bearings on the shaft. 12. The apparatus of claim 11 wherein the plates associated with both of the blades are interconnected. 13. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) including a relatively large diameter spur gear driven by rotation of the shaft, and a relatively small diameter spur gear meshing with said large diameter gear, and having driving association with an electrical generator. 14. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) and including vertically spaced ribs integral with each blade, and operatively connected to said shaft, f) said baffles extending generally lengthwise of the blade, and toward said ribs, g) and wherein spaces are provided between the ends of the baffles, the ribs defining air flow channels adjacent the ribs. 15. The combination of claim 14 wherein said spaces have width dimensions between 1 inch and 2 inch. 16. The combination of claim 14 wherein baffles are located in rows, the baffles in at least one row being convex in directions away from the blade. 17. The combination of claim 1 wherein the blades define hollow interiors. 18. The combination of claim 17 wherein elongated channels are sunk in the blades between certain of the baffles and extending in the directions of the baffles. 19. The combination of claim 18 wherein the number of said baffles exceeds the number of said channels. 20. The combination of claim 1 wherein each blade has curved foil configuration extending lengthwise at blade edge extent farthest from the shaft, to face toward the baffles. 21. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) and wherein said blades define hollow interiors, f) and wherein each blade has inner and outer walls at opposite sides of the hollow interiors, said walls having locally adjacent extents. 22. The combination of claim 1 wherein the blades have portions that extend in proximity to said shaft, but wherein a gap or gaps is or are defined between said portions and the shaft. 23. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) said blades defining hollow interiors, f) each blade having inner and outer walls at opposite sides of the hollow interiors, said walls having locally adjacent extents, g) and wherein said adjacent extents are thickened proximate elongated channels sunk in the blades. 24. The combination of claim 21 including means for increasing the velocity of wind approaching said apparatus. 25. The combination of claim 1 wherein said means includes a venturi defining a narrowed wind flow zone wherein said blades are located. 26. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) and vertically spaced ribs integral with the blades and including structural means integral with the ribs and operatively connecting the ribs to bearings on the shaft. 27. A wind turbine apparatus, comprising a) an upright shaft defining an upright axis, b) at least two blades operatively connected to the shaft to rotate about the shaft axis as the blades are wind driven about said axis, c) the lowermost portion of each blade being offset, azimuthally, relative to the uppermost portion of each blade, d) baffles carried by the blades to project to receive impingement of wind for creating torque transmitted to the blade to effect blade rotation about said axis, e) said blades defining hollow interiors.