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:
Nov. 11, 2014
Filed:
Jun. 13, 2008
Applicants:
Qamar A. Shams, Yorktown, VA (US);
Tianshu Liu, Portage, MI (US);
Inventors:
Qamar A. Shams, Yorktown, VA (US);
Tianshu Liu, Portage, MI (US);
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 23/06 (2006.01); B64C 9/00 (2006.01); B64C 21/10 (2006.01);
U.S. Cl.
CPC ...
B64C 21/10 (2013.01); B64C 23/06 (2013.01); Y02T 50/162 (2013.01); Y02T 50/166 (2013.01);
Abstract
An airfoil system includes an airfoil body and at least one flexible strip. The airfoil body has a top surface and a bottom surface, a chord length, a span, and a maximum thickness. Each flexible strip is attached along at least one edge thereof to either the top or bottom surface of the airfoil body. The flexible strip has a spanwise length that is a function of the airfoil body's span, a chordwise width that is a function of the airfoil body's chord length, and a thickness that is a function of the airfoil body's maximum thickness.