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. 29, 2021
Filed:
Dec. 26, 2014
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Richard K. Hayford, Cape Neddick, ME (US);
Robert J. Morris, Portland, CT (US);
Charles H. Warner, South Portland, ME (US);
Charles P. Gendrich, Middletown, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F01D 25/06 (2006.01); F01D 9/04 (2006.01); F04D 29/54 (2006.01); F01D 5/26 (2006.01);
U.S. Cl.
CPC ...
F04D 29/668 (2013.01); F01D 5/26 (2013.01); F01D 9/041 (2013.01); F01D 9/042 (2013.01); F01D 25/06 (2013.01); F04D 29/542 (2013.01); F04D 29/544 (2013.01); F04D 29/666 (2013.01); F05D 2220/32 (2013.01); F05D 2260/961 (2013.01); Y02T 50/60 (2013.01);
Abstract
A gas turbine engine includes a circumferential array of stator vanes that have first and second vanes with different vibrational frequencies than one another. The first vanes are arranged in circumferentially alternating relationship with the second vanes.