Airflow guiding device for the sound- and pressure-optimized supply of an airflow to an inlet nozzle of a fan, fan device, generator, and wind power installation

Vortex generators for wind turbine rotor blades having noise-reducing features

Traction air device, air device for a wind plant and wind plant for electric power production, ship provided with a traction air device

Flexible Wind Turbine Apparatus

Diffuser part for a gas turbine

Wind turbine blade system with air passageway

TRANSPORTABLE WIND TURBINE TOWER

Blade insert