Patent · US Active

Method and device for operating an electric machine, and motor vehicle

US10044316B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Lanouar Chouk · Morsbach, DE
Gunther Goetting · Stuttgart, DE
Raimundo Varas Manso · Friolzheim, DE

Key dates

Filing date	Dec 30, 2015
Grant date	Aug 7, 2018
Priority date	—
Expiry date	Dec 30, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60L50/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a method for operating an electric machine (4), in particular of a motor vehicle (1), having a stator (10) with at least one stator coil. The stator coil is energized in order to set a required torque of the electric machine (4), and a temperature of the stator (10) of the electric machine (4) is detected by means of a temperature sensor (12). The current flowing through the stator coil is monitored in order to plausibility-check the detected temperature. In order to plausibility-check the temperature, the current in the stator coil is increased while maintaining the same torque, and the temperature is monitored for a temperature increase.

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