H02P 9/009
Circuit arrangements for detecting rotor position
Official title: {Circuit arrangements for detecting rotor position}
H02P9/009 (Circuit arrangements for detecting rotor position) appears on 73 US grants and 83 published applications in this corpus.
Search patents in H02P- Granted patents
- 73
- Published applications
- 83
- Assignees
- 54
- Inventors
- 165
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 4 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 5 | 4 |
| 2013 | 4 | 4 |
| 2014 | 5 | 3 |
| 2015 | 4 | 5 |
| 2016 | 3 | 4 |
| 2017 | 4 | 4 |
| 2018 | 5 | 10 |
| 2019 | 7 | 8 |
| 2020 | 5 | 2 |
| 2021 | 7 | 5 |
| 2022 | 4 | 5 |
| 2023 | 3 | 3 |
| 2024 | 3 | 1 |
| 2025 | 2 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for determining the angular position of a rotor of a rotating electric machine25 Nov 2025US 12,483,166 B2Valeo Equipements Electriques Moteur
- Parameter identification method and apparatus for wind turbine generator14 Jan 2025US 12,199,534 B2Xinjiang Goldwind Science & Technology Co., Ltd.
- Gate driver circuit for priming a switched reluctance generator converter10 Dec 2024US 12,166,428 B2Caterpillar Inc.
- Inverter generator27 Aug 2024US 12,074,503 B2Briggs & Stratton Corporation
- Method for controlling a generator of a wind turbine2 Apr 2024US 11,949,352 B2Wobben Properties GmbH
- Control device and phase error correction method1 Oct 2026US 2026/0302977 A1Honda Motor Co., Ltd.
- Aircraft turbine engine comprising an electric motor comprising a device for correcting a precession movement and associated method25 Jun 2026US 2026/0180478 A1Safran Aircraft Engines
- Electric Power Generating Apparatus And Method Of Operating Same28 May 2026US 2026/0149396 A1NovoPower International Inc.
- Generator Pole Slip Protection with Auxiliary Winding Measurement5 Jun 2025US 2025/0183764 A1Caterpillar Energy Solutions GmbH
- High-precision rotor position determination for use in position and/or torque control at low speed27 Mar 2025US 2025/0105766 A1Siemens Gamesa Renewable Energy A/S
Most cited
By later US patents
- Electronic control for a hydraulically driven auxiliary power source34US 8,269,360 B2Uusi, LLC · 2012
- Electronic control for a hydraulically driven generator28US 8,269,359 B2Uusi, LLC · 2012
- Engine driven generator26US 5,065,086 AShinko Electric Co., Ltd. · 1991
- Enhanced floating reference frame controller for sensorless control of synchronous machines22US 7,193,383 B2Honeywell International Inc. · 2007
- Voltage control of an HR-PMG without a rotor position sensor21US 6,737,833 B2Honeywell International Inc. · 2004