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.

Date of Patent:
Sep. 12, 2023

Filed:

Mar. 08, 2022
Applicant:

Raytheon Technologies Corporation, Farmington, CT (US);

Inventor:

David A. Topol, West Hartford, CT (US);

Assignee:

RTX CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F01D 5/26 (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); 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 29/66 (2013.01); F04D 29/663 (2013.01); F04D 29/666 (2013.01); F05D 2260/96 (2013.01); Y02T 50/60 (2013.01);
Abstract

A gas turbine engine according to an aspect of the present disclosure includes, among other things, a propulsor section, a compressor section including a first compressor and a second compressor, and a turbine section including a first turbine and a second turbine. The first compressor includes a plurality of arrays of airfoils defining a plurality of compressor stages. A number of airfoils in each downstream array of the plurality of arrays is a factor (F) of a number of airfoils in a respective immediately upstream array of the plurality of arrays. The factor (F) is between 1.19 and 1.55 for each of the downstream arrays of the first compressor.


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