Sensor arrangement and magnetization device, and use of the sensor arrangement in a motor vehicle control device
US10254130B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2014 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Oct 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K11/215
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sensor arrangement for measuring a rotor position of an electric motor, in particular of a motor vehicle control device, wherein the sensor arrangement is constructed as a sensor arrangement operating without contact, which includes at least one permanent magnet and at least one magnetic field sensor, wherein the permanent magnet has at least one depression in at least one top surface facing the magnetic field sensor. A magnetization device for magnetizing a permanent magnet of the sensor arrangement is also disclosed. The use of the sensor arrangement in a motor vehicle control device of a braking system of a motor vehicle is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.