Airflow converter

Amplified wind turbine apparatus

Apparatus and method for deriving energy from a moving gas strea

Apparatus and method for fluid drive conversion

Apparatus for deriving energy from moving gas streams

Apparatus for extracting at least the inherent kinetic energy fr

Apparatus for generating energy from a flowing medium

Apparatus for wind power

Atmospheric vortex engine

Coaxial wind turbine apparatus having a closeable air inlet...

Control vane for a wind turbine

Current power plant

Device comprising an elongated tubular body arranged to be...

Device for extracting energy from water waves

Device for preventing penetration of corrosive salt...

Device for producing electric current from wind energy

Device for producing mechanical energy by means of a...

Device for the regulation of the pumping capacity of...

Devices for utilizing the power of the wind

Diffuser for augmenting a wind turbine