The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2005
Filed:
May. 28, 2002
Peter Mckeich Jamieson, Glasgow, GB;
Chris Hornzee-jones, Brighton, GB;
Emilian M. Moroz, Tehachapi, CA (US);
Ralph W. Blakemore, Tehachapi, CA (US);
Peter McKeich Jamieson, Glasgow, GB;
Chris Hornzee-Jones, Brighton, GB;
Emilian M. Moroz, Tehachapi, CA (US);
Ralph W. Blakemore, Tehachapi, CA (US);
General Electric Company, Schenectady, NY (US);
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 the methods of adjustment. The extension is also protected from lightning by a grounding system.