Wind turbine and method of manufacture

Abstract

A variable voltage and frequency output wind turbine. Variations of the wind turbine include use of a slotless alternator to reduce alternator noise, a high power AC output to facilitate transmission of the output over extended distances, AC to DC converters and DC to AC converters, and sensors for systems and devices to receive the wind turbine output and to allow matching of the output to the receiving devices and system. Other features include a removable hatchcover for dissipating heat from components contained in the turbine or attached to the hatchcover, a swept blade design to reduce blade-produced noise, and power storage components for storing and intermittently using energy stored as a result of wind turbine power generation.

1 . A wind generator blade for reducing wind noise, the blade being usable upon rotation via a hub point in a downwind direction from an interfering body, the interfering body producing a cross-sectional area of interference, the blade comprising:
 a root portion in proximity to the hub point; and   a swept body portion extending to a tip;   wherein, during rotation of the blade, the root portion enters the cross-sectional area of interference while the swept body portion and the tip remain outside the cross-sectional area of interference, and wherein the root portion exits the cross-sectional area of interference prior to the tip portion completely entering the cross-sectional area of interference.   
     
     
         2 . The blade of  claim 1 , wherein the blade comprises a flexible material. 
     
     
         3 . The blade of  claim 1 , wherein the blade is formed of glass reinforced polyester. 
     
     
         4 . The blade of claim, wherein the blade is formed from at least two blade sections. 
     
     
         5 . The blade of  claim 4 , wherein the at least two blade sections are joined in the direction of the extending body portion. 
     
     
         6 . The blade of  claim 1 , wherein each of the at least two blade sections includes reinforcing ribbing. 
     
     
         7 . The blade of  claim 1 , wherein the blade is formed using a multi-part injection mold. 
     
     
         8 . A wind generator blade, comprising:
 a first blade portion, the first blade portion having a first blade wall portion encompassing a generally concave first blade area; and   a second blade portion the second blade portion having a second blade wall portion encompassing a generally concave second blade area, the second blade portion being abuttably assembleable with the first blade portion such that at least one chamber is formed therebetween.   
     
     
         9 . The wind generator blade of  claim 8 , wherein each of the first blade portion and the second blade portion are formed using injection molding. 
     
     
         10 . The wind generator blade of  claim 8 , wherein each of the first blade portion and the second blade portion are formed using compression molding. 
     
     
         11 . The wind generator blade of  claim 8 , wherein each of the first blade portion and the second blade portion include reinforcing ribbing, the reinforcing ribbing being located within at least one of the generally concave first blade area and the generally concave second blade area.