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:
Feb. 23, 2021
Filed:
Sep. 15, 2017
General Electric Company, Schenectady, NY (US);
Nicholas Joseph Kray, Mason, OH (US);
Benjamin James Roby, Fairfield, OH (US);
Vijesh Shetty Anangoor, Kannamangla, IN;
Nitesh Jain, Seetarampalya, IN;
Sreekanth Kumar Dorbala, Hoodi, IN;
Nagamohan Govinahalli Prabhakar, Vijayanagar, IN;
K Phani SriKrishna Chinnapragada, Hagadur Whitefield, IN;
General Electric Company, Schenectady, NY (US);
Abstract
Fan blade containment system includes a composite fan case with an annular composite shell extending from forward flange downstream to aft flange, and circumferentially varying thickness portion of composite shell. Annular composite back sheet spaced radially outwardly of annular composite shell has annular filler layer disposed radially therebetween. Annular forward and aft seams between annular composite shell and composite back sheet may axially trap filler layer. Circumferentially varying thickness portion may include aftwardly extending fingers of composite back sheet in aft seam and first thickness of fingers thicker than second thickness of composite shell circumferentially between fingers. Composite shell may extend from forward flange to aft flange. Aft flange bolted to metallic flange of metallic fan casing aft of aft flange. Containment system may circumscribe and surround fan and fan blades of gas turbine engine fan section.