PROPELLOR SYSTEM WHICH IS SUITABLE FOR KINETIC INTERACTION WITH A FLUID THAT FLOWS UNIDIRECTIONALLY THROUGH A CHANNEL, AND A CHANNEL FOR A UNIDIRECTIONAL FLUID FLOW PROVIDED WITH SUCH A PROPELLOR SYSTEM

YAW DRIVE SYSTEM

VERTIPORT INCLUDING WIND POWER GENERATION SYSTEM

WIND TURBINE INCLUDING PIVOTABLE BLADES AND ANNULAR SHROUD

GRAVITY POWERED HYDRAULIC PISTON ENGINE AND GRAVITY POWERED HYDRAULIC PISTON ENGINE GENERATOR APPARATUS AND METHODS TO USE THE SAME

DEVICE FOR CONVERSION OF WAVE ENERGY INTO ELECTRICAL ENERGY

Floating bladder system for producing electrical energy

ELASTIC ENERGY STORAGE DEVICE WHICH IS USED FOR CONVERTING MECHANICAL ENERGY INTO ELECTRICAL ENERGY

Device for conversion of wave energy into electrical energy

Lee Drive 4 Turbine

REGENERATIVE ENERGY SYSTEM USING DIRECT KINETIC ENERGY TRANSFER TO A GENERATOR

WAVE POWER GENERATOR

Drive train arrangement

WAVE FORCE GENERATION SYSTEM AND CONTROLLING METHOD THEREFOR

Wave power generator

Yaw system for a wind turbine

SYSTEM AND METHOD OF HARNESSING ENERGY WITH A NON-BUOYANT OBJECT AND A BUOYANT OBJECT

Dolphin-Blade, Fluid Flow, Reciprocal Motor

Vertical axis wind turbine and method for operating such a turbine

Wind-turbine rotor blade, and wind turbine having same

Methods and devices for accessing a drive train of a wind turbine with elastic coupling, wind turbine and methods

Methods and devices for accessing a drive train of a wind turbine with elastic coupling, wind turbine and methods

Water powered motor for producing useful work

Floating, yawing spar current/tidal turbine

Rotor blade pitch arrangement

System with orbiting axis for converting energy

The engine operated by the buoyancy of water

Vertical axis wind turbine and method for operating such a turbine

Wind turbine rotor

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

Pitch bearing with a gear segment in a wind turbine

Dolphin-blade, fluid flow, reciprocal motor

Wind Turbine with Cable Supported Perimeter Airfoil

Vertical wind turbine with articulated blades

Vertical axis wind turbine

WIND POWER GENERATOR

Spiral bevel gear set for ram air turbine

Wind turbine generator

WIND TURBINE GENERATOR

Fluid interacting device

SYSTEM AND METHOD FOR CONVERSION OF OCEAN WAVES INTO USABLE MECHANICAL ENERGY

Continuously Variable Transmission Ratio Device with Optimized Primary Path Power Flow

Wave powered electric generator system

Wind turbine, a method for coupling a first drive train component of the drive train of a wind turbine to a second drive train component of the drive train and use of a wind turbine

Tidal power generation device

Open ocean wave energy converter with isolated stabilization floats

Distributed system of electrical generators utilizing wind driven natural motion of trees

Apparatus for generating electricity from a flow of water such as a tide, river or the like

Wave-power system for extracting simultaneously both potential and kinetic energy at variable significant wave heights and periods

Turbine ventilator for generating electricity

Vertical axis wind turbine

Device and method for adjusting angle-of-attack of wind blades in lift-type vertical axis wind turbine

Clean energy generator

Wave-power system and method for generating energy at constant rotational speed at variable significant wave heights and periods

Fuel Pump

Coupled magnetic rotary discs for power generating

Aspects derived from a discovery of the inherent properties and traits of planar curves herein classified as Limaconic Motation technology

System for wave amplifying, wave energy harnessing, and energy storage