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. 29, 2020
Filed:
Sep. 19, 2017
Institut Vedecom, Versailles, FR;
Guy Diemunsch, Fontaine, FR;
INSTITUT VEDECOM, Versailles, FR;
Abstract
The invention relates to an assembly () comprising an electrical machine () comprising: a stator () having windings forming coils (), a rotor (), a shaft () rotating the rotor (), and an impeller () for cooling the electrical machine, said cooling impeller () comprising at least two crowns (), including a first crown () and a second crown (), each crown () comprising blades (), the blades () of the first crown () of the cooling impeller () being arranged so as to generate the circulation of a cooling fluid flow in a first direction (F), and the blades () of the second crown () being arranged so as to generate the circulation of the cooling fluid flow in a second direction (F), the second direction (F) opposing the first direction (F). Said invention is applicable to motor vehicles.