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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.:

US 9869191 B1

PDFFull Text
Date of Patent:
Jan. 16, 2018

Filed:

Apr. 17, 2013

Geared low fan pressure ratio fan exit guide vane stagger angle

Applicant:

United Technologies Corporation, Hartford, CT (US);

Inventors:

Edward J. Gallagher, West Hartford, CT (US);

Glen E. Potter, Vernon, CT (US);

Barry M. Ford, Middletown, CT (US);

Assignee:

United Technologies Corporation, Farmington, CT (US);

Attorney:

Carlson, Gaskey & Olds, P.C.

Primary Examiner:

Woody Lee, Jr

Assistant Examiner:

Eric Zamora Alvarez

Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 1/02 (2006.01); F01D 25/24 (2006.01); F01D 5/02 (2006.01); F02K 3/06 (2006.01); F02C 3/107 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 9/04 (2013.01); F01D 1/023 (2013.01); F01D 5/021 (2013.01); F01D 25/24 (2013.01); F02C 3/107 (2013.01); F02K 3/06 (2013.01); F01D 5/141 (2013.01); F05D 2220/32 (2013.01); F05D 2220/36 (2013.01); F05D 2230/60 (2013.01); F05D 2240/12 (2013.01); Y10T 29/49323 (2015.01);
Abstract

A fan exit guide vane assembly for a gas turbine engine includes a plurality of guide vanes having a pressure side and a suction side extending between a leading edge and a trailing edge. The vanes further include a span extending between a root and tip with a stagger angle defined as an angle between a longitudinal axis parallel to an engine axis of rotation and a line connecting the leading edge and the trailing edge that is less than about 15°.

Find Patent Forward Citations

Gallagher, Edward. (2018). Geared low fan pressure ratio fan exit guide vane stagger angle (U.S. Patent No. 9869191). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9869191

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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