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:
Dec. 30, 2014
Filed:
Oct. 20, 2010
Ching-pang Lee, Cincinnati, OH (US);
John J. Marra, Winter Springs, FL (US);
Ching-Pang Lee, Cincinnati, OH (US);
John J. Marra, Winter Springs, FL (US);
Siemens Energy, Inc., Orlando, FL (US);
Mikro Sysytems, Inc., Charlottesville, VA (US);
Abstract
A gas turbine engine () and an airfoil () for use therein, the airfoil () having a structure () containing cooling passageways () extending between a chamber () and a series of apertures () positioned along the trailing edge () through which cooling fluid () received from the chamber () exits the airfoil (), wherein the structure () is characterized by a variable thickness (t) between the pressure and suction sidewalls () of the airfoil as a function of position along the cooling passageways () such that each in a plurality of cooling passageways are characterized by a cross sectional flow area () which decreases as a function of distance from the chamber ().