Spherical surface partitioning system - uses triangles extending along meridian lines in turn divided into further identical triangles
DE4009120A1
Aerodynamic leading edge section - powers Darrieus vertical turbine or is used on aeroplane or land vehicle turbine or is used on aeroplane or land vehicle for speed
DE4007017A1
Axial-flow wind turbine with independent stator rings - which brake and stop individual free-running stator supports for safety of continuous operation in gale
DE4006256A1
Wind turbine for electricity generation - has vertical rotor used for direct drive of ring generator
DE4005685A1
Vertical wind turbine driving electrical ring generators - has rotor supported from mast by relatively small pendulum bearing
DE3702001A1
Wind turbine
DE3626917A1
Wind turbine
DE3523892A1
Rotary engine
DE3517752A1
Wind-collecting vane for horizontal turbines which can rotate about a vertical axis
