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:
May. 16, 2000
Filed:
Nov. 06, 1998
Applicant:
Inventors:
Michael J Danowski, Cincinnati, OH (US);
Gulcharan S Brainch, West Chester, OH (US);
Jonathan P Clarke, West Chester, OH (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
416 / ; 4162 / ; 4162 / ;
Abstract
An airfoil core die includes a tab for forming a continuous and smooth contour and extension of a first trailing edge slot recessed wall to a bottom of the airfoil. The contour is formed on each airfoil core at injection and is maintained through to finish casting of the airfoil.