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:
Apr. 20, 2021
Filed:
Nov. 25, 2014
United Technologies Corporation, Farmington, CT (US);
Lee Drozdenko, Bristol, CT (US);
James O. Hansen, Glastonbury, CT (US);
Jesse C. Meyer, Colchester, CT (US);
Maria C. Kirejczyk, Middletown, CT (US);
Scot A. Webb, Gales Ferry, CT (US);
Brandon A. Gates, DeWitt, MI (US);
Richard B. Bergethon, Holt, MI (US);
Raytheon Technologies Corporation, Farmington, CT (US);
Abstract
A blade comprises an airfoil extending from a trailing edge to a leading edge. The airfoil includes a body formed of an aluminum containing material. A sheath is at the leading edge and is formed of a titanium containing material. A sandwich is positioned intermediate the sheath and the airfoil body, the sandwich including an outer adhesive layer adjacent the sheath, an intermediate fabric layer and an inner adhesive layer adjacent the body. A gas turbine engine is also disclosed.