Patent · US Expired

Torque measuring device for electric motors and method to measure the torque of an electric motor

US7197946B2 · kind B2 · utility

3Cited by

4References

23Claims

0Family size

Assignee

Minebea Co., Ltd. · JP

Inventors

Hermann Flammer · Camburg, DE
Hubert Hauser · Würselen, DE
Norbert Irmer · Villingen-Schwenningen, DE
Guido Schmid · Triberg, DE

Key dates

Filing date	Jul 14, 2004
Grant date	Apr 3, 2007
Priority date	—
Expiry date	Dec 31, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG01M3/22
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A torque measuring device for electric motors having a rotor and a stator is proposed, said apparatus comprising a holding apparatus to hold the stator non-rotatably, an eddy current brake device which can be used to brake the rotor and a torque sensor connected to the eddy current brake device.

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