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:
Sep. 01, 2015
Filed:
May. 04, 2012
Applicants:
Christian X. Campbell, Oviedo, FL (US);
Stephen J Messmann, Charlotte, NC (US);
Inventors:
Christian X. Campbell, Oviedo, FL (US);
Stephen J Messmann, Charlotte, NC (US);
Assignee:
Siemens Energy, Inc., Orlando, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/16 (2006.01); F01D 5/20 (2006.01);
U.S. Cl.
CPC ...
F01D 5/16 (2013.01); F01D 5/20 (2013.01); F05D 2300/6033 (2013.01);
Abstract
A turbine blade is provided comprising: a root; an airfoil comprising an external wall extending radially from the root and having a radially outermost portion; and a damping structure. The external wall may comprise first and second side walls joined together to define an inner cavity of the airfoil. The damping structure may be positioned within the airfoil inner cavity and coupled to the airfoil so as to define a tuned mass damper.