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. 07, 2020
Filed:
Oct. 30, 2015
Safran Aircraft Engines, Paris, FR;
Sebastien Emile Philippe Tajan, Moissy-Cramayel, FR;
Charles-Henri Michel Marie Derrez, Moissy-Cramayel, FR;
Anthony Lafitte, Moissy-Cramayel, FR;
Cyril Roger Yves Le Pecheur, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to a propeller ring () of a turbomachine (), with variable-pitch blades (P), the propeller ring () comprising a substantially coaxial annular body () with a main axis (A) and a plurality of radial housings () uniformly distributed around the main axis (A), each radial housing () being designed to receive a bearing () for a root () of a blade (P) so as to allow the variable pitch of the blade (P), the radial housings () having a substantially ovoid cross-section in a plane (T) tangential to the annular body ().