Position detector
US10948314B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Mar 21, 2019 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Mar 21, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P21/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for determining the position of a rotor in an electronically commuted motor. The method comprises the steps of calculating the rotation angle using three Hall-sensors; identifying and correcting phase errors; and determining and correcting cyclic errors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.