Wind energy plant with a pitch bearing

US7874800B2 · kind B2 · utility

Assignee

• Nordex Energy GmbH · DE

Inventors

• Jens Kirchner · Erlangen, DE
• Ulf Gopfert · Rostock, DE
• Karsten Koop · Rostock, DE

Key dates

• Filing date: Jun 8, 2007
• Grant date: Jan 25, 2011
• Expiry date: Jul 30, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/728
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A wind energy plant with a rotor hub housing, which is connectable to at least one pitch bearing via joining means, and with at least one rotor blade, the blade root of which is connected to the pitch bearing, wherein a stiffening element is provided, which is fastened between the pitch bearing and the rotor hub housing.