Patent · US Active

Device for determining torque and associated measuring method

US9335227B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Jörg Hassel · Erlangen, DE
Gotthard Rieger · Munich, DE
Roland Weiss · Iserlohn, DE
Hermann-Josef Wiegand · Rasdorf, DE

Key dates

Filing date	Aug 18, 2011
Grant date	May 10, 2016
Priority date	—
Expiry date	Oct 19, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG01R33/093
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Torque transmitted via a drive shaft of a motor is contactlessly determined using organic magnetoresistive semiconductor element, unlike known torque sensors that can generate greatly fluctuating measurement signals even at a constant torque. The organic magnetoresistive semiconductor element is mounted on a drive shaft or a coupling thereof. For this purpose, a field generator is provided, which is rigidly connected to the drive shaft or the clutch and which in the environment of the drive shaft generates a magnetic field that is dependent upon the torque. In the environment, the OMR semiconductor element is arranged to be stationary. The OMR semiconductor element has two electrodes between which a voltage source generates an electrical voltage.

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