Electric power generation controller for use in aircraft and electric power generating apparatus including same
US-11465767-B2 · Oct 11, 2022 · US
to keep rotational speed constant
to keep rotational speed constant · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F05D2270/024 |
| Official title | to keep rotational speed constant |
| Display label | to keep rotational speed constant |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Epicyclic reduction gear for a turbomachine
US-2022260021-A1 · Aug 18, 2022 · US
Device for driving a generator of an aircraft turbomachine and method for regulating the speed of such a generator
US-2022260019-A1 · Aug 18, 2022 · US
Method for regulating the acceleration of a turbomachine
US-2022231577-A1 · Jul 21, 2022 · US
Two-shaft gas turbine control system and method
US-2022195947-A1 · Jun 23, 2022 · US
System and method for providing in-flight reverse thrust for an aircraft
US-2022120224-A1 · Apr 21, 2022 · US
Shaft resonance control
US-11300059-B2 · Apr 12, 2022 · US
Hybrid electric propulsion system load share
US-2022063824-A1 · Mar 3, 2022 · US
Dual clutch transmission for accessory gearbox drive
US-11248523-B2 · Feb 15, 2022 · US
Electric power generation controller for use in aircraft
US-2022003170-A1 · Jan 6, 2022 · US
Electric power generation controller for use in aircraft
US-2022003169-A1 · Jan 6, 2022 · US
System and method for detecting and accommodating loss of torque on gas turbine engines
US-2021324805-A1 · Oct 21, 2021 · US
Dual clutch transmission for accessory gearbox drive
US-2021131347-A1 · May 6, 2021 · US
Turbine rotor assembly having a retaining collar for a bayonet mount
US-10968744-B2 · Apr 6, 2021 · US
Fuel control method for gas turbine, control device for executing said method, and gas turbine installation provided with said control device
US-10815905-B2 · Oct 27, 2020 · US
Integrated power generation and compression train, and method
US-10815882-B2 · Oct 27, 2020 · US
Method and apparatus for operating an EC-fuel pump
US-10794318-B2 · Oct 6, 2020 · US
Motor controller for electric blower motors
US-10774838-B2 · Sep 15, 2020 · US
Gas turbine generator speed dc to dc converter control system
US-2020266741-A1 · Aug 20, 2020 · US
Shaft resonance control
US-2020149480-A1 · May 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2270/024?
- CPC F05D2270/024 is the Cooperative Patent Classification code for “to keep rotational speed constant.”
- How many patents are filed under CPC F05D2270/024 (to keep rotational speed constant)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC F05D2270/024 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).