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:
Feb. 10, 2026
Filed:
Sep. 28, 2023
Safran, Paris, FR;
Simon Pierre Michel Martin, Moissy-Cramayel, FR;
Gabriel Perez, Moissy-Cramayel, FR;
William Henri Joseph Riera, Moissy-Cramayel, FR;
SAFRAN, Paris, FR;
Abstract
Casing of a gas turbine engine compressor comprising openings cut in the thickness of the casing from an inner surface of the casing and arranged side by side over a circumference of the casing, characterised in that it also comprises a movable ring, formed by at least two annular portions, positioned on an outer surface of the casing opposite the openings and able to move along the circumference of the casing such as to open and close the openings of the casing to activate or deactivate a casing treatment, the movable ring comprising the same number of slots as there are openings in the casing.