Motor for vehicle transmission pump having a sensor and a magnet separated by a non-magnetic barrier
US11146149B2 · kind B2 · utility
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0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2019 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | May 14, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric motor is provided that includes: a stator assembly; a rotor assembly for rotating inside the stator assembly, the rotor assembly including a shaft; a magnet mounted on the shaft of the rotor assembly; a printed circuit board; a magnetic sensor mounted on the printed circuit board; and an overmold assembly having a membrane disposed between the magnet and the magnetic sensor such that the magnetic sensor can sense the angular position of the magnet through the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.