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:
May. 19, 2026
Filed:
Dec. 14, 2023
Valeo Equipements Electriques Moteur, Creteil Cedex, FR;
Khadija El Baraka, Creteil Cedex, FR;
Svetislav Jugovic, Creteil Cedex, FR;
VALEO EQUIPEMENTS ELECTRIQUES MOTEUR, Creteil Cedex, FR;
Abstract
Method for heating a coolant of an electrical traction machine of a motor vehicle, the electrical machine including, in addition to the coolant, a stator including a polyphase winding, the stator being in heat exchange with the coolant, a rotor, and an inverter/rectifier supplying power to the polyphase winding. The inverter/rectifier includes a plurality of switching cells controlled by a control device. The control device of the inverter/rectifier is configured to control the switching cells so as to short-circuit the polyphase winding in predetermined conditions for the purpose of heating the coolant.