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:
May. 14, 2013
Filed:
Dec. 10, 2007
Applicants:
Jason L. O'hearn, Wethersfield, CT (US);
Andrew S. Aggarwala, Vernon, CT (US);
Inventors:
Jason L. O'Hearn, Wethersfield, CT (US);
Andrew S. Aggarwala, Vernon, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An airfoil includes a leading edge surface that includes a non-continuous curvature distribution. A stagnation region of the airfoil includes a curvature larger than adjacent segments to reduce heat transfer into the airfoil. The reduced curvature in the stagnation region is surrounded by the adjacent segments with larger curvatures to tailor the airfoil surface to provide a desired balance between heat transfer properties and aerodynamic performance.