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:
Oct. 28, 2003
Filed:
Jul. 06, 2000
Michael A. Burke, Pittsburgh, PA (US);
Paula D. Freyer, Cranberry Township, PA (US);
Mohan A. Hebbar, Oviedo, FL (US);
Brij B. Seth, Maitland, FL (US);
Gary W. Swartzbeck, North Huntingdon, PA (US);
Thomas Walter Zagar, Winter Springs, FL (US);
Siemens Westinghouse Power Corporation, Orlando, FL (US);
Abstract
High efficiency, thin-walled turbine components such as turbine blade airfoils comprise a superalloy substrate covered by a thin skin. The thin skin may be bonded to the inner spar structure of a turbine blade airfoil by a transient liquid phase bonding process. The inner spar preferably comprises a cast single crystal nickel base superalloy. The thin skin may comprise a single crystal or polycrystalline nickel base superalloy or the like.