Patent · US Active

All-wheel system for an electric motor vehicle, and method for operating an all-wheel system of such a vehicle

US11479127B2 · kind B2 · utility

1Cited by

1References

9Claims

0Family size

Assignee

AUDI AG · DE

Inventors

Michael Wein · Houston, US
Michael Bär · Ingolstadt, DE
Christian Graf · Emmingen-Liptingen, DE
Karl-Heinz Meitinger · Birkenfeld, DE

Key dates

Filing date	Nov 22, 2017
Grant date	Oct 25, 2022
Priority date	—
Expiry date	Feb 25, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/72
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

An all-wheel system for a motor vehicle, with a first electric machine for driving a first drive axle of the motor vehicle; a first electronic power unit for controlling a rotational speed of the first electric machine; a second electric machine for driving a second drive axle of the motor vehicle; a second electronic power unit for controlling the rotational speed of the second electric machine on the basis of the rotational speed of the first electric machine and a specified differential rotational speed between the first electric machine and the second electric machine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.