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:
Oct. 02, 1984
Filed:
Dec. 27, 1982
Applicant:
Inventor:
Herbert G Weiss, Belmont, MA (US);
Assignee:
U.S. Windpower, Inc., Burlington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D / ;
U.S. Cl.
CPC ...
416 11 ; 416 12 ; 416 17 ; 416 31 ;
Abstract
A windmill employs a separate wind vane pivotably mounted on the chassis of the windmill. An internal sensor detects the relative angle between the wind vane and the windmill and activates the pitch-control mechanism of the windmill to feather the windmill blades whenever the angle exceeds a predetermined maximum.