WO2024069363 - SYSTEMS AND METHODS FOR OVERCURRENT DETECTION FOR INVERTER FOR ELECTRIC VEHICLE
National phase entry:
Publication Number
WO/2024/069363
Publication Date
04.04.2024
International Application No.
PCT/IB2023/059459
International Filing Date
25.09.2023
Title **
[English]
SYSTEMS AND METHODS FOR OVERCURRENT DETECTION FOR INVERTER FOR ELECTRIC VEHICLE
[French]
SYSTÈMES ET PROCÉDÉS DE DÉTECTION DE SURINTENSITÉ POUR ONDULEUR POUR VÉHICULE ÉLECTRIQUE
Applicants **
BORGWARNER US TECHNOLOGIES LLC
Inventors
ZARABADI, Seyed R.
GOSE, Mark Wendell
LAUBENSTEIN, Peter Allan
Priority Data
63/377,486
28.09.2022
US
63/377,501
28.09.2022
US
63/377,512
28.09.2022
US
63/378,601
06.10.2022
US
18/063,304
08.12.2022
US
Application details
| Total Number of Claims/PCT | * |
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| Number of Drawings | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2482 | |
| EPO | Filing, Examination, Granting | 11642 | |
| Japan | Filing, Examination, Granting | 2377 | |
| South Korea | Filing, Examination, Granting | 2678 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
23,919
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; and a controller configured to detect a change in current at the source terminal of the power switch using a complex impedance of a metal trace connected to the source terminal of the power switch, and control a gate control signal to the gate terminal based on the detected change in current.[French]
La présente divulgation concerne un système qui comprend : un onduleur configuré pour convertir une puissance CC provenant d'une batterie en puissance CA pour entraîner un moteur, l'onduleur comprenant : un commutateur de puissance comprenant une borne de drain, une borne de source et une borne de grille ; et un dispositif de commande configuré pour détecter un changement de courant au niveau de la borne de source du commutateur de puissance à l'aide d'une impédance complexe d'une trace métallique connectée à la borne de source du commutateur de puissance, et commander un signal de commande de grille à la borne de grille sur la base du changement détecté de courant.