Chedrod plan for pumped storage hydroelectric plant
Circular stay ring for rotary fluid machine
Clean and renewable energy of the future
Closed heat pump system producing electrical power
Closed system momentum transfer propulser
Closing device of wicket gates in e.g. hydraulic-turbines
Clutch drive system
Coaxial multi-rotor wind turbine
Coaxial rotor windmill and method of increasing kinetic...
Cohesion cell
Collapsible vertical wind mill
Column structure with protected turbine
Commutator for orbiting gerotor-type pumps and motors
Compensation system for a rotor
Complex ocean power system combining sluice power and ocean...
Composite spiral casing
Compost updraft tower
Compound rotor system of wind energy conversion system...
Compressed air energy storage system utilizing two-phase...
Compressor sound suppression