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. 18, 2022
Filed:
May. 02, 2018
Applicants:
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Mavel S.r.l., Pont Saint Martin, IT;
Inventors:
Assignee:
MAVEL EDT S.P.A., Pont Saint Martin, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/00 (2006.01); H02K 1/24 (2006.01); H02K 1/27 (2006.01); H02K 1/28 (2006.01); H02K 19/02 (2006.01); H02K 21/02 (2006.01);
U.S. Cl.
CPC ...
H02K 7/003 (2013.01); H02K 1/246 (2013.01); H02K 1/2766 (2013.01); H02K 1/28 (2013.01); H02K 19/02 (2013.01); H02K 21/02 (2013.01);
Abstract
The present invention relates to an electrical machine comprising a rotor () and a stator, rotor () being formed by assembling a rotor body () and a rotor shaft (). According to the invention, rotor shaft () is knurled and the outside diameter of rotor shaft () is greater than the inside diameter of rotor body (), by a value ranging between 0.05 mm and 0.3 mm. The present invention further relates to a method of manufacturing such an electrical machine.