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. 20, 1998
Filed:
Aug. 01, 1996
Karl Rudolph Anderson, III, Naperville, IL (US);
Gerald Richard Crawmer, Clifton Park, NY (US);
Edward Kenneth Ellis, Bangor, ME (US);
John Francis Nolan, Latham, NY (US);
Louis Patrick Earvolino, Holliston, MA (US);
Robert Ellis Seeley, Broadalbin, NY (US);
Joseph John Pepe, Ballston Lake, NY (US);
Robert Joseph Christoffel, Schenectady, NY (US);
Joseph Louis Van Ullen, Loudonville, NY (US);
General Electric Co., Schenectady, NY (US);
Abstract
A turbine rotor comprising a radially-inward portion of a steel alloy and a radially-outward rim portion circumscribing the radially-inward portion, the rim portion being formed by a weldment that includes a nickel-base superalloy region joining the rim portion to the inward portion of the turbine rotor, the nickel-base superalloy having a room temperature ultimate tensile strength of at least about 690 MPa.