F05D 2220/7644
Of the asynchronous type, i.e. induction type
Official title: of the asynchronous type, i.e. induction type
F05D2220/7644 (Of the asynchronous type, i.e. induction type) appears on 12 US grants and 15 published applications in this corpus.
Search patents in F05D- Granted patents
- 12
- Published applications
- 15
- Assignees
- 12
- Inventors
- 40
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
By publication year.
Subgroups
Granted patents
Recent patents
- Electromagnetic inducer for gas turbine rotating turbomachinery21 Oct 2025US 12,448,893 B1Pratt & Whitney Canada Corp.
- Pitch change mechanism comprising an improved electrohydraulic actuator15 Jul 2025US 12,358,608 B2Safran Aircraft Engines
- Pump actuating device, and associated pumping system, aircraft and fuel supply method28 Jan 2025US 12,212,275 B2Safran Aircraft Engines
- Turbomachine comprising an electric machine having a starter-generator function, and method for controlling the speed of such an electric machine21 May 2024US 11,988,152 B2Safran Aircraft Engines
- Device for driving a generator of an aircraft turbomachine and method for regulating the speed of such a generator2 Jan 2024US 11,859,558 B2Safran Aircraft Engines
- Rocket Engine7 Aug 2025US 2025/0250952 A1Astron Systems, Inc.
- Pitch change mechanism comprising an improved electrohydraulic actuator18 Jul 2024US 2024/0239474 A1Safran Aircraft Engines
- Pump actuating device, and associated pumping system, aircraft and fuel supply method9 Nov 2023US 2023/0361699 A1Safran Aircraft Engines
- Electrical machines for integration into a propulsion engine4 May 2023US 2023/0139068 A1General Electric Company
- Device for driving a generator of an aircraft turbomachine and method for regulating the speed of such a generator18 Aug 2022US 2022/0260019 A1Safran Aircraft Engines
Most cited
By later US patents
- Electrical power generator for a gas turbine engine19US 9,729,096 B2ROLLS-ROYCE plc · 2017
- Method and assembly of an electric machine3US 10,348,162 B1GE Aviation Systems LLC · 2019
- Method for starting a pressure storage plant3US 7,677,046 B2ALSTOM Technology Ltd · 2010
- Turbine-generator system with DC output2US 9,577,557 B2ABB Schweiz AG · 2017
- Electrical machines for integration into a propulsion engine1US 11,566,533 B2General Electric Company · 2023