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:
Jan. 17, 2023
Filed:
Apr. 03, 2020
Safran Aircraft Engines, Paris, FR;
Patrick Jean Laurent Sultana, Moissy-Cramayel, FR;
Clément Charles Jérémy Coiffier, Moissy-Cramayel, FR;
Olivier Renon, Moissy-Cramayel, FR;
Laurent Cédric Zamai, Moissy-Cramayel, FR;
Safran Aircraft Engines, Paris, FR;
Abstract
Counter-rotating turbine (C) of a turbomachine () extending about an axis (X) and comprising an inner rotor configured to rotate about the axis of rotation (X), and comprising an inner drum on which an inner movable blading () is fixed, an outer rotor configured to rotate about the axis of rotation (X) in a direction opposite to the inner rotor, and comprising an outer drum () on which an outer movable blading () is fixed, the outer movable blading () comprising at least one fixing rod () extending through an orifice () of the outer drum (), the outer movable blading () being fixed to the outer drum () via a clamping means () fixed to the fixing rod () from an outer face of the outer drum (), a set ring () being disposed around the fixing rod () in the orifice () of the outer drum ().