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:
Apr. 22, 2003
Filed:
Sep. 15, 2000
Applicant:
Inventors:
Bruce A. Ewing, Martinsville, IN (US);
Sushil K. Jain, Indianapolis, IN (US);
Kenneth A. Green, Greenwood, IN (US);
Randolph C. Helmink, Indianapolis, IN (US);
Allister James, Orlando, FL (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
C22C 3/302 ;
U.S. Cl.
CPC ...
C22C 3/302 ;
Abstract
A nickel base powder metallurgy superalloy gas turbine engine disk for a compressor or turbine. The wrought powder metallurgy gas turbine engine disk has desirable fatigue crack growth resistance and a superior balance of tensile, creep rupture and low cycle fatigue strength characteristics. In one embodiment the disk defines a segregation free homogenous structure.