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:
Feb. 13, 2018
Filed:
Dec. 20, 2012
Applicant:
Snecma, Paris, FR;
Inventors:
Franck Edmond Maurice Truelle, Argenteuil, FR;
Alain Grandin, Asnieres sur Seine, FR;
Maidin Mougamadou Aboudalcadar, Saint Mande, FR;
Assignee:
SNECMA, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/04 (2006.01); B22C 9/10 (2006.01); B22C 21/14 (2006.01); F01D 5/14 (2006.01); B28B 1/24 (2006.01);
U.S. Cl.
CPC ...
F01D 5/147 (2013.01); B22C 9/04 (2013.01); B22C 9/10 (2013.01); B22C 21/14 (2013.01); B28B 1/24 (2013.01); F05D 2230/21 (2013.01); F05D 2230/211 (2013.01);
Abstract
A method of manufacturing a ceramic core for a blade including a lower part forming a core body, an upper part forming a squealer tip recess and a set of rods for holding the upper part and the lower part together, includes: coating the rods with a material that has a flash point below 1000° C.; positioning the rods in a mold; molding the upper and lower parts by injecting ceramic; firing the ceramic core.