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:
May. 19, 2020

Filed:

Sep. 27, 2018
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Jonathan Gilson, West Hartford, CT (US);

Bruce L. Morin, Longmeadow, MA (US);

Ramons A. Reba, South Windsor, CT (US);

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

Wesley K. Lord, South Glastonbury, CT (US);

Assignee:

United Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 3/107 (2006.01); F01D 25/16 (2006.01); F01D 9/04 (2006.01); F02K 3/06 (2006.01); F04D 29/54 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F02C 3/107 (2013.01); F01D 9/041 (2013.01); F01D 25/162 (2013.01); F02K 3/06 (2013.01); F04D 29/542 (2013.01); F04D 29/544 (2013.01); F04D 29/664 (2013.01); F04D 29/667 (2013.01); F05D 2220/36 (2013.01); F05D 2250/191 (2013.01); F05D 2250/38 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/96 (2013.01); F05D 2260/961 (2013.01); F05D 2300/603 (2013.01);
Abstract

A fan section for a gas turbine engine according to an example of the present disclosure includes, among other things, a fan rotor having fan blades, and a plurality of fan exit guide vanes positioned downstream of the fan rotor. The fan rotor is configured to be driven through a gear reduction. A ratio of a number of fan exit guide vanes to a number of fan blades is defined. The fan exit guide vanes are provided with optimized sweep and optimized lean.


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