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:
Dec. 10, 2019
Filed:
Jan. 15, 2015
Snecma, Paris, FR;
Jérémy Lucien Jacques Bioud, Moissy-Cramayel, FR;
Sébastien Bourget, Moissy-Cramayel, FR;
Gaël Evain, Moissy-Cramayel, FR;
Eddy Stéphane Joël Fontanel, Moissy-Cramayel, FR;
Florence Irène Noëlle Leutard, Moissy-Cramayel, FR;
Christophe Lima, Moissy-Cramayel, FR;
Giuliana Elisa Rossi, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A turbomachine bearing housing comprising a fixed wall, a rotating shaft, first and second seals between the wall and the shaft, and a chamber between the fixed wall and a stator element supplied with air via an opening close to the shaft. An air guide is arranged along the surface of the wall of the housing, outside same, such that at least a portion of the air exiting the guide passes between the first seal and the shaft, the air guide being supplied with air by an air intake separated radially from the shaft, the air from the air intake being at a higher pressure than at the shaft.