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. 24, 2011
Filed:
Dec. 27, 2007
Jason David Shapiro, Methuen, MA (US);
David Allen Flodman, Rowley, MA (US);
Samuel Ross Rulli, Gloucester, MA (US);
Samir Dimitri Sayegh, Melrose, MA (US);
Norman Clement Brackett, North Reading, MA (US);
Jason David Shapiro, Methuen, MA (US);
David Allen Flodman, Rowley, MA (US);
Samuel Ross Rulli, Gloucester, MA (US);
Samir Dimitri Sayegh, Melrose, MA (US);
Norman Clement Brackett, North Reading, MA (US);
General Electric Company, Schenectady, NY (US);
Abstract
A cooling arrangement for a gas turbine engine includes: (a) a turbine nozzle having: (i) spaced-apart arcuate inner and outer bands; and (ii) a hollow, airfoil-shaped turbine vane extending between the inner and outer bands, the vane disposed in a primary flowpath of the engine; (b) a supporting structure coupled to the outer band such that an outer band cavity is defined between the outer band and the stationary structure; (c) a first conduit passing through the outer band cavity and communicating with the interior of the vane, the first conduit coupled to a first source of cooling air within the engine; and (d) a second conduit communicating with the outer band cavity, the second conduit coupled to a second source of cooling air within the engine.