Examples of a device for generating electrical power are provided, including a rotor element, a stator element and an electrical generator. The rotor element includes a rotor axis, and the rotor element configured for turning about said rotor axis responsive to an airflow being applied thereto. The stator element is configured for directing the airflow from an outside of the device towards said rotor element. The electrical generator is coupled to the rotor element and is configured for being driven by rotation of the rotor element about the rotor axis to thereby generate electrical power. The device is configured for being affixed with respect to a surface such that the device projects above the surface by an external maximum vertical dimension. The rotor axis is nominally orthogonal to the surface, at least in operation of the device. The external maximum vertical dimension is less than 1 meter.

A fluid turbine apparatus includes a fixed structure and a rotating structure supported by the fixed structure. The rotating structure includes a central shaft, and at least two wings connected to the central shaft. Each of the wings includes a wing frame, at least one door and a respective at least one door stopper. Each of the doors pivots relative to the respective wing frame between closed and open positions. In use, the door located at one side of the central shaft facing a flow of fluid is in the closed position with fluid force transferred to the door, while the door located at the opposite side of the shaft is in the open position with fluid passing through the respective wing frame. The fluid force creates a torque that rotates the central shaft. Apparatuses can extract power from wind or water current.

A wind turbine mountable to a motor vehicle preferably includes a wind blade, a turbine housing, an electrical generator and an electrical power converter. The wind blade preferably includes a plurality of blade elements, a top plate, a bottom plate and a support shaft. The turbine housing includes a turbine base plate, a turbine top plate and a peripheral side wall. A top shaft rotary bearing is retained in the turbine top plate. The electrical generator includes a generator rotor and a generator stator. The generator rotor is retained in the base plate. The bottom shaft thrust bearing is retained in the turbine base plate. The generator stator is mounted to the turbine base plate. The electrical leads of the generator stator are connected to an input of the electrical power converter. The electrical power converter converts the 120 volt AC signal to a suitable DC voltage.

A fluid turbine apparatus includes a fixed structure and a rotating structure supported by the fixed structure. The rotating structure includes a central shaft, and at least two wings connected to the central shaft. Each of the wings includes a wing frame, at least one door and a respective at least one door stopper. Each of the doors pivots relative to the respective wing frame between closed and open positions. In use, the door located at one side of the central shaft facing a flow of fluid is in the closed position with fluid force transferred to the door, while the door located at the opposite side of the shaft is in the open position with fluid passing through the respective wing frame. The fluid force creates a torque that rotates the central shaft. Apparatuses can extract power from wind or water current.

Vertical axis windmill turbine assemblies, as well as methods, systems and components related thereto. In one illustrative embodiment, a central shaft is supported by upper and lower bearings allowing it to rotate. Upper and lower support plates are disposed on the central shaft and support a plurality of vanes that extend therebetween. Each vane may have a closed leeward side formed from at least two planar members that join at a central ridge and an open windward side. Generators may be operatively connected to the central shaft at the lower end and the upper end. Multiple vertical axis assemblies may be disposed on a planar platform. Where multiple assemblies are present, they may be positioned to optimize production based on prevailing wind directions and may include windmill and turbine assemblies optimized for different wind conditions. In some systems, the assemblies may be disposed in a linear array.

In one embodiment, a turbine shaft transmits mechanical power, a vane support structure is coupled to the turbine shaft, a vane is coupled to the vane support structure through a vane shaft, a balancing weight is coupled to a first location of the vane, and an alignment weight is coupled to a second location of the vane.

A vertical axis wind turbine includes a cylindrical rotor with a plurality of convex-concave blades placed in a stator which directs the wind stream. The VAWT is installed vertically towards a surface of the ground, and wherein, the stator and the rotor are formed of vertically located blades which may have numerous geometric forms. Both the stator and rotor blades have a leading edge and a trailing edge, and each blade of the stator possesses a top end that is fastened to an immobile upper plate of the stator, and a bottom end that is fastened to a lower plate of the stator. In this embodiment, each blade of the rotor includes a top end fixed to an upper plate, while a bottom end of the each blade is fixed to a lower plate.

The present invention disclosure describes an integrated rotary wind turbine and electrical generating device that uses electrical current conductors such as a plurality of parallel plate capacitors or a plurality of wire equivalent sheets in combination with a plurality of magnets, stator, rotatable substructure, wind collectors, etc. to generate electricity. The turbine assembly simplifies the construction, reduces weight, reduces cost and improves heat dissipation of the assembly. It is also more environmentally friendly and amenable to use in isolated applications and as part of a highly distributed micro-grid.

The vertical wind turbine and system generally comprises a rotor assembly having a plurality of blades, a fixed central spindle having a central axis for supporting rotation of the rotor assembly, a blade adjustment mechanism assembly for adjusting the blade angle of attack throughout rotation of the rotor assembly, and a support framework for supporting the rotor assembly at an elevated position in order to gain access to a sustained source of wind. The wind turbine may be operably coupled with a power electric generator or other device which transfers mechanical energy into electrical energy as a combined system.

Vertical axis windmill turbine assemblies, as well as methods, systems and components related thereto. In one illustrative embodiment, a central shaft is supported by upper and lower bearings allowing it to rotate. Upper and lower support plates are disposed on the central shaft and support a plurality of vanes that extend therebetween. Each vane may have a closed leeward side formed from at least two planar members that join at a central ridge and an open windward side. Generators may be operatively connected to the central shaft at the lower end and the upper end. Multiple vertical axis assemblies may be disposed on a planar platform. Where multiple assemblies are present, they may be positioned to optimize production based on prevailing wind directions and may include windmill and turbine assemblies optimized for different wind conditions. In some systems, the assemblies may be disposed in a linear array.