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:
Oct. 07, 2025
Filed:
Feb. 18, 2020
Applicant:
Safran Helicopter Engines, Bordes, FR;
Inventors:
Rainer Thomas, Moissy-Cramayel, FR;
Laurent Pierre Tarnowski, Moissy-Cramayel, FR;
Mathieu Laurent Herran, Moissy-Cramayel, FR;
Ludovic André Joël Naudot, Moissy-Cramayel, FR;
Assignee:
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); B22F 5/04 (2006.01); B22F 7/08 (2006.01); B22F 10/25 (2021.01); B22F 10/50 (2021.01); B22F 12/53 (2021.01); B23K 26/342 (2014.01); B23K 101/00 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); B22F 5/04 (2013.01); B22F 7/08 (2013.01); B22F 10/25 (2021.01); B22F 10/50 (2021.01); B22F 12/53 (2021.01); B23K 26/342 (2015.10); B23K 2101/001 (2018.08); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F05D 2230/22 (2013.01); F05D 2230/31 (2013.01);
Abstract
A method for manufacturing a compressor impeller or rotor including a hub that carries blades, involving a step of manufacturing a hub which includes all or some of the blades, and a step of additive manufacture by adding localised material using a method such as the LMD process to form or finish each blade.