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:
Jul. 15, 2025
Filed:
Feb. 20, 2023
Safran Aircraft Engines, Paris, FR;
Victor Henri Marius Varenne, Moissy-Cramayel, FR;
Arnaud Baudran, Moissy-Cramayel, FR;
Antoine Jean-Philippe Beaujard, Moissy-Cramayel, FR;
David René Pierre Le Cair, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A turbomachine—for aircraft has a primary annular flow path and a cold flow channel extending around the primary annular flow path. The turbomachine includes an impeller, a compressor, a combustion chamber, a first turbine having a first turbine rotor, a second turbine having a second turbine rotor, a first connecting shaft and a second connecting shaft, an inter-turbine stator arranged between the first turbine and the second turbine, and a first cooling circuit having successively: a first cooling inlet located between the impeller and the compressor, a first passage extending into the inter-turbine stator, and a first cooling outlet extending into the cold flow channel.