Method for starting and stopping an asynchronous motor
US-12081146-B2 · Sep 3, 2024 · US
This page is not indexed by search engines while we improve data quality.
using AC supply for only the rotor circuit or only the stator circuit
using AC supply for only the rotor circuit or only the stator circuit · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P27/024 |
| Official title | using AC supply for only the rotor circuit or only the stator circuit |
| Display label | using AC supply for only the rotor circuit or only the stator circuit |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric drive system and method
US-11787384-B2 · Oct 17, 2023 · US
Method for starting and stopping an asynchronous motor
US-2023179125-A1 · Jun 8, 2023 · US
Electric drive system and method
US-2023159014-A1 · May 25, 2023 · US
Power supply circuit and motor control device
US-11413971-B2 · Aug 16, 2022 · US
Single phase motor driving circuit, and driving method thereof
US-2022014122-A1 · Jan 13, 2022 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-11009327-B2 · May 18, 2021 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-2020318936-A1 · Oct 8, 2020 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-10718598-B2 · Jul 21, 2020 · US
Power supply circuit and motor control device
US-2020139824-A1 · May 7, 2020 · US
System and computer-implemented method for controlling motor operation using programmable multiplexed tap logic
US-10608577-B2 · Mar 31, 2020 · US
Method of dissipating regenerative energy in cargo handling systems
US-10432127-B1 · Oct 1, 2019 · US
System and computer-implemented method for controlling motor operation using programmable multiplexed tap logic
US-2019214935-A1 · Jul 11, 2019 · US
Unmanned underwater vehicle propulsion system including an AC power distribution bus
US-10202178-B2 · Feb 12, 2019 · US
Unmanned underwater vehicle propulsion system including an ac power distribution bus
US-2018370607-A1 · Dec 27, 2018 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-2018372465-A1 · Dec 27, 2018 · US
Apparatus and means for progressive motor start based on current derivative synchronisation
US-9755554-B2 · Sep 5, 2017 · US
Variable Voltage Drive using Bidirectional Bipolar Transistors
US-2016226406-A1 · Aug 4, 2016 · US
Apparatus for controlling induction motor
US-9379658-B2 · Jun 28, 2016 · US
Apparatus and means for progressive motor start based on current derivative synchronisation
US-2015311829-A1 · Oct 29, 2015 · US