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:
Apr. 28, 2020
Filed:
Sep. 03, 2015
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Philippe Gérard Edmond Joly, Moissy Cramayel, FR;
Damien Merlot, Moissy Cramayel, FR;
Jean-Marc Claude Perrollaz, Moissy Cramayel, FR;
Assignee:
Safran Aircraft Engines, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F04D 29/32 (2006.01); F01D 11/00 (2006.01); F01D 21/04 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/324 (2013.01); F01D 5/141 (2013.01); F01D 5/143 (2013.01); F01D 11/006 (2013.01); F01D 21/045 (2013.01); F01D 5/3007 (2013.01); F05D 2220/36 (2013.01); F05D 2240/80 (2013.01); F05D 2250/73 (2013.01); F05D 2260/94 (2013.01); Y02T 50/673 (2013.01);
Abstract
The invention relates to a blade, the platform () of which has at least one bumper () which rises, on the inner face, from a connection to an intermediate area of the blade located along a longitudinal axis of the blade, between the blade root and the outer face (), towards a free side edge () of the platform. The platform bumper () locally has a thinned portion at a distance from said free side edge of the platform. The invention is applicable to turboshaft engine fans.