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:
Dec. 30, 2025
Filed:
Jun. 21, 2024
Rolls-royce Corporation, Indianapolis, IN (US);
Timothy Paul Fuesting, Indianapolis, IN (US);
Rolls-Royce Corporation, Indianapolis, IN (US);
Abstract
A dual-walled component of a gas turbine engine includes a cold section part, such as a spar, and a hot section part, such as a coversheet. The cold section part includes a single crystal or directionally solidified metal alloy and defines an outer surface, a hot section part comprising a polycrystalline metal alloy formed using additive manufacturing. The hot section part includes a plurality of support structures forming a plurality of cooling channels and defining an inner surface. The outer surface of the cold section part and the inner surface of the plurality of support structures are diffusion bonded.