patent · US6972498
Variable diameter wind turbine rotor blades
6 December 2005
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Abstract
A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to adjust length by extensions nested within or containing the base blade. The blades can have more than one extension in a variety of configurations. A cable winching system, a hydraulic system, a pneumatic system, inflatable or elastic extensions, and a spring-loaded jack knife deployment are some of...
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2002-05-28
- Source
- Google Patents bibliographic record
- Granted
- 2005-12-06
- Inventors
- Peter McKeich Jamieson; Chris Hornzee-Jones; Emilian M. Moroz; Ralph W. Blakemore; General Electric Co