Patent · US Active

Pitch bearing for wind turbine rotor blades

US8322928B2 · kind B2 · utility

7Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 2008
Grant dateDec 4, 2012
Priority date
Expiry dateMay 16, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/72
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pitch bearing for a wind turbine rotor comprises a rotor hub and at least one rotor blade, the pitch bearing comprising a cylindrical inner bearing ring connectable to a rotor blade of the wind turbine rotor, a cylindrical outer bearing ring connectable to the rotor hub of the wind turbine rotor and an annular reinforcement section for reinforcing the outer bearing ring. The annular reinforcement section adjoins the cylindrical outer bearing ring at its radial outer surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.