Propeller type wind turbine with air stabilizing vane
专利汇可以提供Propeller type wind turbine with air stabilizing vane专利检索，专利查询，专利分析的服务。并且PURPOSE:To enable to operate a wind turbine at the maximum efficiency as against a given speed of wind, by supporting blades in a freely rotatable manner at the boss of a propeller type wind turbine, and changing the pitch angle of the blades by the aerodynamic force acted to an air stabilizing vane fixed to the blades. CONSTITUTION:Support rods 6 are fixed to each blade 5 to project backward with respect to the direction of rotation of the blades 5, i.e., toward the downstream side of wind, and the air stabilizing vane 7 is fixed to the tops of the support rods 6. These vane 7 function like a tail unit of an airplane to the direction W of air flow to hold the assembly of the blade 5 and the vane 7 in a required positional relationship. Here, since arrangement is such that the angle made by the chord line of the blade 5 to the direction W of air flow, i.e., the angle alpha of incidence is equal to an angle alpham at which the lift/drag ratio of the blade becomes maximum, the blade 5 is always turned around the axis O to a position where the efficiency is the maximum.，下面是Propeller type wind turbine with air stabilizing vane专利的具体信息内容。
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