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:
Nov. 15, 2022
Filed:
Nov. 29, 2019
Safran, Paris, FR;
Safran Aircraft Engines, Paris, FR;
Léandre Ostino, Moissy-Cramayel, FR;
Pierre Guillaume Auzillon, Moissy-Cramayel, FR;
Romain Pierre Cariou, Moissy-Cramayel, FR;
Thomas Olivier Michel Pierre De Rocquigny, Moissy-Cramayel, FR;
Patrice Eneau, Moissy-Cramayel, FR;
Adrien Bernard Vincent Rollinger, Moissy-Cramayel, FR;
Vianney Simon, Moissy-Cramayel, FR;
Michel Slusarz, Moissy-Cramayel, FR;
Ba-Phuc Tang, Moissy-Cramayel, FR;
SAFRAN, Paris, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A turbine blade including a root carrying an impeller terminated by a tip in the form of a squealer tip. This impeller also includes a serpentine median circuit, including a first radial pipe collecting air at the root and that is connected by a first bend to a second radial pipe that is connected by a second bend to a third radial pipe, a cavity under the squealer tip running along the pressure side wall, extending from a central region of the tip to the trailing edge, and a radial central pipe collecting air at the root extending between at least two of the three pipes of the median circuit and directly supplying the cavity under the squealer tip.