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. 16, 2020
Filed:
Jun. 07, 2017
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Coralie Cinthia Guerard, Colombes, FR;
Vincent Marc Herb, Alfortville, FR;
Jun Ni, Boulogne Billancourt, FR;
Joseph Toussaint Tami Lizuzu, Gonesse, FR;
Matthieu Jean Luc Vollebregt, Asnieres sur Seine, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/10 (2006.01); B22C 9/24 (2006.01); F01D 5/18 (2006.01); B22C 9/04 (2006.01);
U.S. Cl.
CPC ...
B22C 9/10 (2013.01); B22C 9/04 (2013.01); B22C 9/24 (2013.01); F01D 5/187 (2013.01); F05D 2250/241 (2013.01);
Abstract
The present disclosure is generally directed to a core configured for the manufacturing of a turbine engine blade by lost-wax casting. The core includes a first convex curved outer face and a second concave curved outer face. The first and second faces have a plurality of recesses, each recess including a spherical portion.