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. 19, 1999
Filed:
Dec. 31, 1997
Applicant:
Inventors:
Ching-Pang Lee, Cincinnati, OH (US);
George A Durgin, West Chester, OH (US);
Robert W Harris, Hamilton, OH (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; F01D / ;
U.S. Cl.
CPC ...
416 / ;
Abstract
A turbine airfoil includes a plurality of internal ribs joined to laterally opposite first and second sidewalls to define a serpentine cooling circuit therein. A span rib extends longitudinally between a root and tip of the airfoil. And, a slant rib extends obliquely to the span rib to define respective portions of the serpentine circuit longitudinally above and below the slant rib.