A wind powered generator comprising; a mast having a plurality of tower outlets positioned along on a low pressure portion of a length of the mast; one or more inlets positioned on a high pressure portion of the mast; an internal fluid flow path between the inlet and the tower outlets; a turbine in the fluid flow path; wherein the inlet and tower outlets are arranged such that wind creates air flow through the fluid flow path for motivating a turbine.

A fluid-turbine system has an improved means of mitigating the effects of excessive fluid velocity on turbine structural components. Spoilers provide a simple mechanical solution that reduces lift, with minimal increase in drag. Spoilers installed on a duct control aerodynamic lift on ducted turbines, specifically in high-wind conditions. An example embodiment comprises a ducted (shrouded) turbine with articulated segments or spoilers, which may be raised toward the central axis. These spoilers reduce or maintain a tower base moment as constant and dampen support structure oscillations.

Apportioned segments from the surface of a duct in a ducted turbine may be articulated to reduce the surface area of the duct. The apportioned segments are employed to reduce the surface area and therefore the wind resistance of the duct, in excessive wind conditions where excessive side loads are exerted upon the ducted turbine.

An apparatus and method for designing a diffuser-augmented wind turbine with significantly reduced time-averaged loads and significantly reduced dynamic amplification factors. Some embodiments have an annular airfoil in fluid communication with the circumference of a rotor plane, and a vertical surface with a substantially symmetrical aerodynamic form with an articulated portion.

An apparatus and method for designing a diffuser-augmented wind turbine with significantly reduced time-averaged loads and significantly reduced dynamic amplification factors. Some embodiments have an annular airfoil in fluid communication with the circumference of a rotor plane, and a vertical surface with a substantially symmetrical aerodynamic form with an articulated portion.

The present disclosure relates to a shrouded fluid turbine comprising: a turbine shroud surrounding a rotor and an ejector shroud in fluid communication with the trailing edge of the turbine shroud. Further disclosed is a method and apparatus having a unique configuration that provides a means of mitigating loads on structural components. An example embodiment includes the use of the electrical generation equipment as a counterweight. Other embodiments may include axial motion of components to reduce the moment arm of heavy components and to reduce fluid-stream thrust-force on the support structure and a means of controlling the mean-turbine power production in an array of turbines by controlling downstream wake vortices and power output of an upstream turbine while increasing the free-stream flow to, and power output of, a downstream turbine.

A land vehicle for transporting people and/or goods comprising a device for transforming kinetic wind energy into electrical energy, positioned in a front housing of the vehicle exposed to the wind against the direction of travel.

A wind powered generator comprising; a mast having a plurality of tower outlets positioned along on a low pressure portion of a length of the mast; one or more inlets positioned on a high pressure portion of the mast; an internal fluid flow path between the inlet and the tower outlets; a turbine in the fluid flow path; wherein the inlet and tower outlets are arranged such that wind creates air flow through the fluid flow path for motivating a turbine.

A fluid turbine has an annular-airfoil duct and passive, leading-edge flaps on the airfoil that enhance yaw stability and reduce extreme loads in excessive fluid-stream velocities when the turbine is in shutdown mode, or when it is parked or otherwise not producing power. Flaps retract and deploy passively to reduce loads by eliminating the lift over the airfoil, providing manageable loads in high-velocity flow at Up-0. The flaps are intended for use in extreme and unlikely events. Appropriate design and material selection mitigates the detrimental effects of dormancy.

A power generation apparatus includes a wind turbine unit including a first end and having one or more wind turbine blade units rotatably carried therein which are activated to rotate by wind/airflow moving therethrough. Each of the one or more turbine blade units is operably connected to a generator to generate electricity when the one or more wind turbine blade units rotate. An inlet funnel is axially aligned with the first end of the wind turbine unit when in an operative position. The inlet funnel is pivotally carried to pivot out of the operative position when wind/airflow increases excessively so that at least a portion of the wind/airflow is redirected and reduced from entering the wind turbine unit.