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:
Aug. 20, 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);
Joel H. Wagner, Wethersfield, CT (US);
Inventors:
Eunice Allen-Bradley, East Hartford, CT (US);
Eric A. Grover, Tolland, CT (US);
Thomas J. Praisner, Colchester, CT (US);
Joel H. Wagner, Wethersfield, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/04 (2006.01); F01D 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An airfoil array includes a laterally extending endwallwith a series of airfoils such asorprojecting from the endwall. The airfoils cooperate with the endwall to define a series of fluid flow passages. The endwall has a troughtoward a pressure side of the passage and a more elevated profile toward a suction side of the passage for reducing secondary flow losses.