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. 03, 2020
Filed:
Jun. 01, 2017
Safran, Paris, FR;
Safran Aircraft Engines, Paris, FR;
Ngadia Taha Niane, Moissy-Cramayel, FR;
Saïd Boukerma, Moissy-Cramayel, FR;
Serge Dillenseger, Moissy-Cramayel, FR;
Julien Gelebart, Moissy-Cramayel, FR;
David Grange, Moissy-Cramayel, FR;
Jean-Claude Marcel Auguste Hanny, Moissy-Cramayel, FR;
Philippe Metron, Moissy-Cramayel, FR;
SAFRAN, Paris, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A ceramic material mold for use in molding a turbine engine blade from a molten metal, the blade including a root, an inner platform, an airfoil, and an outer platform, and the mold including a cavity having the shape of the blade, and an auxiliary grain duct including a first segment and a second segment that is an extension of the first segment, the first segment opening out at one end into a first portion of the cavity forming the root of the blade, and at another end into a second portion of the cavity forming a lip of the inner platform of the blade, the second segment opening out at one end into the second portion of the cavity, and at another end into a third portion of the cavity forming a lip of the outer platform of the blade.