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:
Jan. 06, 2026

Filed:

May. 09, 2025
Applicant:

Rtx Corporation, Farmington, CT (US);

Inventors:

Ioannis Alvanos, West Springfield, MA (US);

David A. Welch, Quaker Hill, CT (US);

Assignee:

RTX Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/055 (2006.01); F01D 5/02 (2006.01); F02C 7/05 (2006.01); F02K 3/06 (2006.01); F04D 29/32 (2006.01); F04D 29/70 (2006.01); B64D 33/02 (2006.01);
U.S. Cl.
CPC ...
F02C 7/055 (2013.01); F01D 5/02 (2013.01); F01D 5/021 (2013.01); F02C 7/05 (2013.01); F02K 3/06 (2013.01); F04D 29/325 (2013.01); F04D 29/329 (2013.01); F04D 29/701 (2013.01); F04D 29/703 (2013.01); B64D 2033/022 (2013.01); F05D 2220/36 (2013.01); F05D 2260/606 (2013.01); F05D 2260/607 (2013.01);
Abstract

A fan blade airfoil and nose cone with leading edge fillet for debris deflection including a fillet formed in the nose cone and inserted into a pocket formed in the fan blade, the filet configured to create a deflection air stream; the deflection air stream being configured to manipulate a fan inlet air flow such that any debris entrained in a fan inlet air flow has a trajectory line directed away from a core flow of a gas turbine engine and toward a bypass flow of the gas turbine engine.


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