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:
Jun. 04, 2013
Filed:
Feb. 05, 2010
David B. Allen, Oviedo, FL (US);
David B. Allen, Oviedo, FL (US);
Siemens Energy, Inc., Orlando, FL (US);
Abstract
Fabricating a turbine component () by casting a core structure (), forming an array of pits () in an outer surface () of the core structure, depositing a transient liquid phase (TLP) material () on the outer surface of the core structure, the TLP containing a melting-point depressant, depositing a skin () on the outer surface of the core structure over the TLP material, and heating the assembly, thus forming both a diffusion bond and a mechanical interlock between the skin and the core structure. The heating diffuses the melting-point depressant away from the interface. Subsurface cooling channels () may be formed by forming grooves () in the outer surface of the core structure, filling the grooves with a fugitive filler (), depositing and bonding the skin (), then removing the fugitive material.