A root bushing, a bushing insert thereof, a wind turbine blade comprising said root bushing and a manufacturing method thereof

The present invention relates to a root bushing, a root bushing insert, a wind turbine blade and a method of manufacturing the wind turbine blade. The root bushing comprises a bushing housing with an outer surface and a main bolt cavity. The outer surface is provided with an outer threaded portion a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Giancarlo Girolomini, Jens Glud, Lars Overgaard
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:	The present invention relates to a root bushing, a root bushing insert, a wind turbine blade and a method of manufacturing the wind turbine blade. The root bushing comprises a bushing housing with an outer surface and a main bolt cavity. The outer surface is provided with an outer threaded portion arranged at a distance from the first end. The main bolt cavity has an inner threaded portion arranged at a distance from the first end. A cap element is positioned within the bushing housing at a distance from the second end and separates the main bolt cavity from a root insert cavity. The root insert cavity has a curved inner surface, which enables resin to fill the space between the inner surface and the end portion of the insert element.