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. 27, 1983
Filed:
Sep. 29, 1982
Applicant:
Inventors:
Jerome Kirsch, Dix Hills, NY (US);
Edward Markow, Oakdale, NY (US);
Assignee:
Grumman Aerospace Corporation, Bethpage, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
F03D / ;
U.S. Cl.
CPC ...
415-4 ; 415D / ;
Abstract
A passive means for controlling the power augmentation of a diffuser augmented wind turbine is disclosed. Spoiler tabs for the boundary layer control slots of a diffuser augmented wind turbine include a lifting surface responsive to the fluid flow velocity through the slot and operate to block the slot when fluid flow velocity through the slot exceeds a predetermined level.