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:
Feb. 05, 2013
Filed:
May. 02, 2006
Applicants:
Eunice Allen-bradley, East Hartford, CT (US);
Eric A. Grover, Tolland, CT (US);
Thomas J. Praisner, Colchester, CT (US);
Inventors:
Eunice Allen-Bradley, East Hartford, CT (US);
Eric A. Grover, Tolland, CT (US);
Thomas J. Praisner, Colchester, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blade or vane includes a platformand an airfoilextending from the platform. The airfoil has a pressure surface offset in a first direction Dfrom a part span mean camber line, a suction surface offset in a second direction Dfrom the part span mean camber line, and a basethat is laterally enlarged in the first direction for reducing secondary flow losses.