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. 29, 2003
Filed:
May. 17, 2001
Applicant:
Inventors:
Gerard Anthony Rinck, Cincinnati, OH (US);
Mark Edward Stegemiller, Franklin, OH (US);
Hardev Singh, Mason, OH (US);
Brian Alan Norton, Cincinnati, OH (US);
Assignee:
General Electric Company, Schnectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 ;
U.S. Cl.
CPC ...
F01D 5/18 ;
Abstract
A turbine blade for a gas turbine engine. An existing blade was found to exhibit bowing, or a concave configuration facing the pressure side, along its trailing edge. The invention reduces bowing by ( ) changing tilt, ( ) changing lean, ( ) reducing the number of cooling holes, while ( ) changing the diameters of the cooling holes, to maintaining the total cooling flow unchanged.