Drive assembly

A drive assembly for a wind turbine includes 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, the ring gear being non-rotatably secured to the supporting structure, a main bearing which is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	FLAMANG PETER
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A drive assembly for a wind turbine includes 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, the ring gear being non-rotatably secured to the supporting structure, a main bearing which is a double taper bearing and rotatably supports the rotor hub relative to the ring gear and supporting structure, and the drive assembly comprising 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 acting 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 acting from the rotor hub via the planet carrier primarily for transmission of rotational forces.