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. 01, 2022
Filed:
Jan. 09, 2020
Safran Aircraft Engines, Paris, FR;
Antoine Hervé Dos Santos, Moissy-Cramayel, FR;
Quentin De Richaud, Moissy-Cramayel, FR;
Nicolas Xavier Trappier, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The present invention relates to a rotor () of a turbomachine turbine, comprising a rotor disc () and a plurality of blades () distributed at its periphery, said rotor disc () comprising a plurality of mainly axial cells (), each blade () comprising a root (), retained in one of the cells () of said rotor disc, each root being dimensioned so as to form a space () between the bottom of the cell () and the radially inner face () of the root. This rotor is remarkable in that said root comprises a mainly axial blind hole () opening onto the upstream face of the root and a plurality of mainly radial air ejection orifices (), each air ejection orifice () opening into said blind hole () and onto the radially inner face () of the root located facing the bottom of the cell ().