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:
Jul. 01, 2014
Filed:
Dec. 16, 2011
Simon M. Barlow, Keighley, GB;
Michael J. Wallis, Clitheroe, GB;
Simon M. Barlow, Keighley, GB;
Michael J. Wallis, Clitheroe, GB;
Rolls-Royce PLC, London, GB;
Abstract
A diffusion bonded and superplastically formed turbomachine blade, the turbomachine blade comprising: a first layer (); a second layer (); and a membrane () disposed between the first and second layers (); wherein the membrane () is diffusion bonded to the first layer () along a plurality of first strips () and the membrane () is diffusion bonded to the second layer () along a plurality of second strips (), wherein the first and second strips () are offset from one another so that the membrane () is bonded to the first and second layers () in an alternating pattern; wherein the membrane () has a recess () which extends into an area between an adjacent pair of first or second strips ().