Hansen Transmissions International N.v.

Hansen Transmission International Nv

Marcel De Wilde

Peter Flamang

Roger Bogaert

Warren Smook

A drive assembly for a wind turbine includes a rotor hub, a supporting structure, a planetary gear transmission unit having sun, planet and ring gears and a planet carrier. The ring gear is non-rotatably secured to the supporting structure. A main bearing rotatably supports the rotor hub and planet carrier relative to the ring gear and supporting structure. The drive assembly further includes two substantially independent force transmission paths for transmission of forces reacting with forces exerted by the wind turbine rotor hub. A first of the force transmission paths acts from the rotor hub via the main bearing to the supporting structure primarily for transmission of overhang load forces and bending moment forces and a second of the force transmission paths acts from the rotor hub via the planet carrier primarily for transmission of rotational forces.

Drive assembly for wind turbines

A drive assembly for a wind turbine () comprises a rotor hub (), supporting structure such as a turbine nacelle (), a planetary type gear transmission unit comprising sun, planet () and ring gears () and a planet carrier (), said planet carrier comprising a planet bogie plate () which supports and locates circumferentially spaced gear bearings (), said bearings () being able, in use, to self adjust in angular position relative to the plate () whereby the rotational axes of the bearings () may be either perpendicular to the general plane of the bogie plate () or depart therefrom.

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Herent, Belgium

Marcel De Wilde