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. 12, 2022
Filed:
Dec. 11, 2018
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Suryarghya Chakrabarti, Niskayuna, NY (US);
Bugra Han Ertas, Niskayuna, NY (US);
Assignee:
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/16 (2006.01); F01D 5/18 (2006.01); F01D 5/26 (2006.01); F01D 25/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/16 (2013.01); F01D 5/18 (2013.01); F01D 5/26 (2013.01); F01D 25/005 (2013.01); F05D 2250/241 (2013.01); F05D 2260/96 (2013.01); F05D 2300/175 (2013.01);
Abstract
A turbine blade includes an internal vibration damping system having a plurality of unit cells. Each unit cell includes: an impacting structure; and a cavity encapsulating the impacting structure. The cavity, which includes a first hemisphere and a second hemisphere, is disposed within a substrate, which forms an outer casing of the cavity. At least one fluid is disposed in each of the first and second hemispheres between the impacting structure and the outer casing.