Apparatus and method for extracting energy from a fluid

Apparatus And Method For Extracting Energy From A Fluid

Radial compressor for a charging device of an internal combustion engine, charging device and lamellas for an iris diaphragm mechanism, and method for producing such lamella

Apparatus and method for extracting energy from a fluid

Modular hydro-kinetic power source

Floating membrane reservoir system

Blade or wing

Arrangement in a wave energy recovery apparatus and method for operating a wave energy recovery apparatus

Wave energy conversion incorporating actuated geometry

WIND TURBINE BLADE, TUBULAR STRUCTURE FOR WIND TURBINE BLADE, WIND TURBINE AND WIND-UTILIZATION MONITORING METHOD

Hydroelectric energy systems, and related components and methods

Downhole turbine with an adjustable shroud

Hydraulic water wheel for a directional water flow

Floating energy generating platform with horizontal lift

Axial impeller with rotating housing and positionable blades

Intake air boost system for two-cycle engine having turbo-supercharger

Variable-geometry ducted fan

Wave energy conversion incorporating actuated geometry

Wind turbine blade

Wind turbine blade

Water flow regulating device and ocean power generating device using the same

Arrangement for a surface area adjustment of a reciprocating wing system in a wave energy recovery system

High efficiency wind turbine including photovoltaic cells

UNIT FOR A HYDROELECTRIC POWER PLANT AND MODULAR HYDROELECTRIC POWER PLANT COMPRISING SAID UNIT

PRESSURE CONTROLLED WIND TURBINE ENHANCEMENT SYSTEM

Load mitigation device for wind turbine blades

ENERGY STORAGE SYSTEM

DEVICE AND METHOD FOR PRODUCING ELECTRICITY

Internal fluid handling for hydro-generator submerged in water

Compact fan for a recreational vehicle