Patent · US Active

Method and device for determining the torque of an electric machine

US7688012B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Stefan Blind · Fellbach, DE
Gunther Goetting · Stuttgart, DE
Martin Eisenhardt · Renningen, DE

Key dates

Filing date	Jan 30, 2007
Grant date	Mar 30, 2010
Priority date	—
Expiry date	Jan 30, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH02P6/08
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method for determining the torque of an electric machine, in particular a permanently energized electric machine. The torque is determined by a particularly simple and accurate method by measuring a phase voltage and the rotational speed of the electric machine and calculating the torque based on these values.

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