Universal propeller, operating method and favoured use

OCEAN CURRENT TURBINE

Pitch control system

Servo governor by PWM

Vertical axis turbine

Rotary machine comprising a rotor placed in a fluid and equipped with orientable blades

Vertical axis wind turbine

Horizontal-axis wind turbine using airfoil blades with uniform width and thickness

Passive Governor for Windpower Applications

Wind turbine with a centrifugal force driven adjustable pitch angle and cables retaining blades in a hub

COLLECTOR ANTI-WEARING AND LUBRICATION SYSTEM FOR VARIABLE SPEED WIND TURBINE

Vertical axis wind turbine generator

VERTICAL AXIS WIND TURBINE

VARIABLE AREA VERTICAL AXIS WIND TURBINE

METHOD FOR OPERATING MECHANICAL EMERGENCY BRAKE FOR WIND TURBINES

METHOD AND DEVICE FOR BRAKING THE ROTOR OF A WIND ENERGY PLANT

Collector anti-wearing and lubrication system for variable speed wind turbine

INDEPENDENT VARIABLE BLADE PITCH AND GEOMETRY WIND TURBINE

Superconducting turbine wind ring generator

Device for converting kinetic energy of a flowing water into kinetic energy of a rotatable rotor shaft

VERTICAL AXIS WIND TURBINE WITH VARIABLE AREA

System for providing dynamic pitch control in a wind turbine

Underwater power plant with passive control

Variable-twist rotor blade controlled by hub pitch angle and rotational speed

METHOD AND DEVICE FOR BRAKING THE ROTOR OF A WIND ENERGY PLANT

Dynamic electric brake for a variable speed wind turbine having an exciter machine and a power converter not connected to the grid

Wind turbine energy storage and frequency control

Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenace

Connection and disconnection sequence for variable speed wind turbine having an exciter machine and a power converter not connected to the grid

VERTICAL AXIS WIND TURBINE WITH WINGLETTED CAM-TILTABLE BLADES

Apparatus for Capturing Kinetic Energy

Vertical Axis Turbine

Vertical axis windmill and wind turbine system for generating electricity from wind energy

Wind turbine with self-contained power system

Device for utilizing the kinetic energy of flowing water

Wind turbine having variable pitch airfoils that close when moving against the direction of the wind

Variable speed wind turbine having an exciter machine and a power converter not connected to the grid

Mechanical emergency brake for wind turbines and method for operating same

Wind blade assembly and method for damping load or strain

Wind power plant comprising a rotor blade adjusting device

Passive speed and power regulation of a wind turbine

Wind power station

Vertical axis wind turbine with rotating vanes