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:
Jun. 05, 2012
Filed:
May. 12, 2009
Applicants:
Alexander R. Beeck, Orlando, FL (US);
Sankar Nellian, Oviedo, FL (US);
Inventors:
Alexander R. Beeck, Orlando, FL (US);
Sankar Nellian, Oviedo, FL (US);
Assignee:
Siemens Energy, Inc., Orlando, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turbine blade is provided comprising: an airfoil including upper and lower ends; a root coupled to the airfoil lower end; a shroud coupled to the airfoil upper end; and at least one sealing rail extending radially outwardly from an upper surface of the shroud and extending generally along a circumferential length of the shroud. The sealing rail may comprise a mid-section, opposing end sections and at least one intermediate section located between the mid-section and one of the opposing end sections. An axial thickness of the rail may vary.