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:
Mar. 05, 1996
Filed:
Jan. 27, 1995
Applicant:
Inventors:
Xavier G Coudray, Fontainebleau, FR;
Philippe M Pichon, Yerres, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
416 / ; 415115 ;
Abstract
A hollow turbine blade having at least one first row of holes disposed in the leading edge zone of the blade so that each hole communicates with a longitudinal internal cavity of the blade which, in use, is supplied with cooling air, is also provided with at least one second row of holes in the leading edge zone, each hole of the second row intersecting at one end a respective hole of the first row and opening at its other end in the outer surface of the blade.