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:
Oct. 01, 2019
Filed:
Mar. 07, 2017
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Bruce L. Morin, Longmeadow, MA (US);
Daniel L. Gysling, South Glastonbury, CT (US);
Mani Sadeghi, Glastonbury, CT (US);
Assignee:
UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/06 (2006.01); B64D 33/02 (2006.01); F02C 7/045 (2006.01); F02K 1/82 (2006.01); F02K 3/06 (2006.01); G10K 11/172 (2006.01);
U.S. Cl.
CPC ...
F01D 25/06 (2013.01); B64D 33/02 (2013.01); F02C 7/045 (2013.01); F02K 1/827 (2013.01); F02K 3/06 (2013.01); G10K 11/172 (2013.01); B64D 2033/0206 (2013.01); B64D 2033/0286 (2013.01); F05D 2220/323 (2013.01); F05D 2240/14 (2013.01); F05D 2260/96 (2013.01); F05D 2260/963 (2013.01); Y02T 50/672 (2013.01);
Abstract
Disclosed is flutter damper including a first cavity having a radially inner side in fluid communication with a flow path, and a second cavity having a radially inner side in fluid communication with a radially outer side of the first cavity, and the flutter damper having an impedance characteristic at one or more target frequencies defined as