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. 20, 2023
Filed:
Dec. 16, 2021
Applicants:
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Inventors:
Robert W. Heeter, Noblesville, IN (US);
Christopher D. Hall, Indianapolis, IN (US);
Daniel E. Molnar, Jr., Lebanon, IN (US);
Assignees:
Rolls-Royce Corporation, Indianapolis, IN (US);
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/24 (2006.01); F02C 7/045 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
F02C 7/045 (2013.01); F01D 25/243 (2013.01); F05D 2250/283 (2013.01); F05D 2260/31 (2013.01); F05D 2260/96 (2013.01);
Abstract
A gas turbine engine includes a fan case assembly adapted to extend around blades of a fan rotor included in the gas turbine engine. The fan case assembly includes an annular case that extends around an axis, an acoustic panel coupled to the annular case and configured to dampen vibrations and a bolting arrangement that couples the acoustic panel to the annular case.