Auxiliary spring closing device
Axial flow hydraulic turbine generator installation
Axial flow hydraulic turbine with blade mounting
Axial flow hydraulic turbine with fixed blades bolted-on
Axial piston variable displacement machine
Azimuth drive for wind energy plants
Azimuth guidance for a wind energy plant
Azimuthal control of a wind-energy turbine during a storm
Azimuthal driving system for wind turbines
B-motor with floating locking plug
B3s reverse-feed pressure motor
Backpack based system for human electricity generation and...
Balanced stress vertical axis wind turbine
Banded turbine
Bearing for an adjustable rotor blade on a wind energy plant
Bearing structure and wind turbine generator
Bearing system for a wind turbine rotor
Benkatina hydroelectric turbine
Bi-directional tidal flow hydroelectric turbine
Bidirectional different speed ratio driving device with...