Operation method and operation device of motor driver for driving motor
US-2022209694-A1 · Jun 30, 2022 · US
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Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors
Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K19/08 |
| Official title | Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors |
| Display label | Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Operation method and operation device of motor driver for driving motor
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US-10177627-B2 · Jan 8, 2019 · US
Homopolar, Flux-Biased Hysteresis Bearingless Motor
US-2017040868-A1 · Feb 9, 2017 · US