Sensor device for determining the position of the rotor of an electrical machine and control device for an electric motor
US10663319B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
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Key dates
| Filing date | Sep 3, 2017 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Nov 25, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor device for determining a position ϕ1 of a rotor of an electrical machine, for example an electric motor or electric generator. The sensor device comprises a number r of sensors, which detect the magnetic field generated by the rotor and/or a permanent magnet rotating with the rotor, and an electronic circuit which is configured The invention further concerns a control device for an electric motor with such a sensor device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.