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. 15, 2023
Filed:
Nov. 04, 2021
Applicant:
Rolls-royce Corporation, Indianapolis, IN (US);
Inventors:
Daniel E. Molnar, Jr., Lebanon, IN (US);
Christopher D. Hall, Danville, IN (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/16 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/16 (2013.01); F01D 5/147 (2013.01); F05D 2220/32 (2013.01); F05D 2230/60 (2013.01); F05D 2240/30 (2013.01); F05D 2260/96 (2013.01);
Abstract
An airfoil for use in a gas turbine engine is formed to define cavities formed in the airfoil and a passage that extends between and fluidly interconnects the cavities. The airfoil further includes damping fluid located in the cavities and the damping fluid is adapted to flow between the cavities via the passage.