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:
Apr. 12, 2022
Filed:
Aug. 06, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventor:
David A. Topol, West Hartford, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F01D 5/02 (2006.01); F01D 5/12 (2006.01); F01D 9/04 (2006.01); F01D 25/04 (2006.01); F04D 29/32 (2006.01); F01D 5/26 (2006.01); F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
F04D 29/661 (2013.01); F01D 5/02 (2013.01); F01D 5/12 (2013.01); F01D 5/26 (2013.01); F01D 9/041 (2013.01); F01D 25/04 (2013.01); F04D 29/324 (2013.01); F04D 29/544 (2013.01); F04D 29/663 (2013.01); F04D 29/666 (2013.01); F05D 2260/96 (2013.01); Y02T 50/60 (2013.01);
Abstract
An exemplary section of a gas turbine engine according to this disclosure includes, among other things, a first array of airfoils including a first number of airfoils, and a second array of airfoils downstream of the first array of airfoils. The second array includes a second number of airfoils. The second number of airfoils is at least 1.19 times the first number of airfoils thereby providing a predetermined modal.