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. 08, 2012
Filed:
Mar. 25, 2008
David Allen Flodman, Rowley, MA (US);
Jason David Shapiro, Meuthen, MA (US);
Robert Francis Manning, Newburyport, MA (US);
Mark Douglas Gledhill, South Hamilton, MA (US);
Tyler Frederick Hooper, Amesbury, MA (US);
David Allen Flodman, Rowley, MA (US);
Jason David Shapiro, Meuthen, MA (US);
Robert Francis Manning, Newburyport, MA (US);
Mark Douglas Gledhill, South Hamilton, MA (US);
Tyler Frederick Hooper, Amesbury, MA (US);
General Electric Company, Schenectady, NY (US);
Abstract
A turbine nozzle for a gas turbine engine includes: (a) spaced-apart arcuate inner and outer bands; (b) a hollow, airfoil-shaped turbine vane extending between the inner and outer bands, the interior of the vane defining at least a forward cavity and a mid-cavity positioned aft of the forward cavity; (c) a hollow impingement insert received inside the mid-cavity, the impingement insert having walls which are pierced with at least one impingement cooling hole; (d) a passage in the turbine vane at a radially outer end of the forward cavity adapted to be coupled to a source of cooling air; and (e) a passage in the inner band in fluid communication with a radially inner end of the forward cavity and a radially inner end of the impingement insert.