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. 20, 2018
Filed:
Jan. 15, 2015
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Kwan Hui, Manchester, CT (US);
Michael A. Weisse, Tolland, CT (US);
Larry Foster, South Glastonbury, CT (US);
Assignee:
UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F01D 5/18 (2006.01); F01D 5/28 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F01D 5/147 (2013.01); F01D 5/141 (2013.01); F01D 5/18 (2013.01); F01D 5/282 (2013.01); F04D 29/324 (2013.01); F05D 2220/323 (2013.01); F05D 2220/36 (2013.01); F05D 2230/51 (2013.01); F05D 2230/60 (2013.01); F05D 2250/292 (2013.01); F05D 2300/603 (2013.01); Y02T 50/672 (2013.01); Y02T 50/673 (2013.01); Y10T 29/49337 (2015.01);
Abstract
A fan blade for a turbofan gas turbine engine is disclosed. The fan blade includes a body having a pressure side and a suction side and a cover. The suction side of the body includes an opening exposing at least one cavity to reduce the weight of the fan blade. The cover overlays the opening and includes a leading portion and a trailing portion that are tapered in the direction of the cover leading edge and cover trailing edge.