Patent · US Active

Integrated medium-speed geared drive train

US7935020B2 · kind B2 · utility

19Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2007
Grant dateMay 3, 2011
Priority date
Expiry dateMar 2, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/72
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A drive train for a wind turbine is provided. The wind turbine comprises a low speed shaft connected to blades of the wind turbine and a higher speed shaft connected to a generator. The drive train also includes a bearing that substantially supports the weight of at least the low speed shaft. A compound planetary gear stage is connected to the low speed shaft and the higher speed shaft, and includes a rotating carrier, a non-rotating ring gear, a plurality of planetary gears, and a rotating sun gear. The sun gear is connected to the higher speed shaft.

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