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:
Sep. 28, 2021
Filed:
Sep. 14, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventor:
David A. Welch, Quaker Hill, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/02 (2006.01); F01D 5/14 (2006.01); F04D 29/32 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F04D 29/023 (2013.01); F01D 5/147 (2013.01); F04D 29/324 (2013.01); F01D 5/28 (2013.01); F05D 2220/36 (2013.01); F05D 2250/11 (2013.01); F05D 2300/612 (2013.01);
Abstract
An airfoil includes a leading edge, a trailing edge, a pressure side extending between the leading and the trailing edge, and a suction side that is disposed opposite the pressure side extending between the leading edge and the trailing edge. The airfoil further includes a spar and a structural member. The spar defines the leading edge. The structural member is bonded to the spar.