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:
Jun. 06, 2006
Filed:
Mar. 27, 2003
Applicant:
Christopher Gray, Graz, AT;
Inventor:
Christopher Gray, Graz, AT;
Assignee:
Alstom (Switzerland) LTD, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/06 (2006.01); F01D 15/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turbine blade or vane comprises an impingement tube located generally in a radial direction within the blade or vane aerofoil, the impingement tube comprising two parts, extending into the blade or vane from opposite radial ends thereof and locating against a specially formed rib which extends generally chordwise around the leading edge of the aerofoil.