Offset-axis windmill having inclined power shaft
Planetary blade turbine
Retractable wind machine
Rotary positionable installation
Rotor bearing assembly for a wind power engine
Rotor blade and wind energy plant
Sail wing type windmill
Self adjusting sail vertical shaft windmill
Self-guiding wind turbine
Self-restored windmill
Turbo machine of the rotodynamic type
Variable camber fluid power machine
Variable camber fluid power machine
Vertical axis wind engine
Vertical axis wind turbine
Vertical wind turbine
Vertical-axis wind turbine
Vertical-axle power machine
Water pumping push-pull windmill
Wind driven power generator