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:
Aug. 28, 2018
Filed:
Nov. 08, 2013
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
James Cosby, Glastonbury, CT (US);
Michael A. Weisse, Tolland, CT (US);
Kwan Hui, Manchester, CT (US);
Assignee:
UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 5/14 (2006.01); B23P 15/04 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F01D 5/18 (2013.01); B23P 15/04 (2013.01); F01D 5/147 (2013.01); F04D 29/324 (2013.01); F05D 2220/32 (2013.01); F05D 2220/36 (2013.01); F05D 2230/23 (2013.01); F05D 2230/60 (2013.01); Y02T 50/671 (2013.01); Y02T 50/676 (2013.01);
Abstract
Hollow fan blades for gas turbine engines are disclosed. The hollow fan blades include a body having a convex side and a concave side wherein the convex side has a cavity formed therein. The cavity is covered by two covers including an inner cover that may be adhered to the body of the fan blade assembly and an outer cover that may be adhered to the inner cover and/or the body of the fan blade assembly. The covers may be made of titanium, more than two covers may be employed and more than one cavity may be employed.