| 摘要 |
The present invention concerns a wind turbine device having two or more vertical blades as generally used to generate power that gives a self- regulating angular speed using a collective blade-pitch control system with common biasing springs indirectly connected to each of the blades. A multipl e retainer struts attachment system is disclosed for each blade to limit the effects of bending stresses on the latter. A new robust blade mounting, construction an d design method is also described for use in the present wind turbine device.< /SDOAB>
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