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:
Sep. 25, 2018
Filed:
Feb. 19, 2015
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Christian Vessot, Moissy-Cramayel, FR;
Matthieu Leyko, Moissy-Cramayel, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 11/14 (2006.01); F02C 7/14 (2006.01); F02K 3/06 (2006.01); F02C 7/04 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F02C 7/14 (2013.01); F02C 7/04 (2013.01); F02K 3/06 (2013.01); F04D 29/329 (2013.01); F05D 2220/36 (2013.01); F05D 2240/30 (2013.01); F05D 2260/20 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/98 (2013.01); Y02T 50/675 (2013.01);
Abstract
A forward fan rotor is disclosed with a hub of axis of rotation (X) and a cone mounted on the hub of the fan. The cone comprises an air bleed orifice which opens into an air duct of which a forward end portion passes through the fan rotor, said forward end portion comprising mechanical air entrainment means. The air bleed orifice has an annular shape and in that the cone is divided by said orifice into a front vertex portion and a rear frustoconical portion. A turbomachine forward axial spool equipped with such a fan rotor is also disclosed.