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:
Jul. 27, 2010
Filed:
Sep. 24, 2007
Applicants:
Kenneth M. Tamaddoni-jahromi, Carmel, IN (US);
David W. Hunt, Orlando, FL (US);
Inventors:
Kenneth M. Tamaddoni-Jahromi, Carmel, IN (US);
David W. Hunt, Orlando, FL (US);
Assignee:
Siemens Energy, Inc., Orlando, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 27/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hybrid cast component () including both a columnar grained region () and a single crystal region () integrally formed and joined along a metallurgical boundary () in a single casting operation without the need for any weld or braze. A gas turbine blade formed as such may include a columnar grained airfoil and a single crystal platform without any necessity for a thermally formed joint at the blade fillet area.