H02P 2203/01
Motor rotor position determination based on the detected or calculated phase inductance
Official title: Motor rotor position determination based on the detected or calculated phase inductance, e.g. for a Switched Reluctance Motor
H02P2203/01 (Motor rotor position determination based on the detected or calculated phase inductance) appears on 52 US grants and 52 published applications in this corpus.
Search patents in H02P- Granted patents
- 52
- Published applications
- 52
- Assignees
- 42
- Inventors
- 122
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 6 |
| 2012 | 0 | 3 |
| 2013 | 5 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 4 | 2 |
| 2019 | 1 | 2 |
| 2020 | 5 | 10 |
| 2021 | 6 | 2 |
| 2022 | 5 | 5 |
| 2023 | 6 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Displacement detection device30 Sep 2025US 12,431,823 B2Murata Machinery, Ltd.
- Motor control method and device25 Feb 2025US 12,237,786 B1Monumo Limited
- Manufacturing-sensitive control of high rotor pole switched reluctance motors29 Oct 2024US 12,132,427 B2Turntide Technologies, Inc.
- Method for positioning rotor of switched reluctance motor with pulse number being self-adjustable along with speed6 Aug 2024US 12,057,793 B2Changsha University of Science and Technology
- Method and apparatus for quasi-sensorless adaptive control of switched reluctance motor drives10 Oct 2023US 11,784,598 B2Turntide Technologies, Inc.
- Method for Positioning Rotor of Switched Reluctance Motor with Pulse Number Being Self-adjustable along with Speed27 Jun 2024US 2024/0213899 A1Changsha University of Science and Technology
- Displacement detection device18 Apr 2024US 2024/0128902 A1Murata Machinery, Ltd.
- Drug delivery device with electromagnetic drive unit19 Oct 2023US 2023/0330325 A1Sanofi-Aventis Deutschand GmbH
- Manufacturing-sensitive control of high rotor pole switched reluctance motors29 Jun 2023US 2023/0208336 A1Turntide Technologies, Inc.
- Method for sensorless current profiling in a switched reluctance machine25 May 2023US 2023/0163709 A1Turntide Technologies, Inc.
Most cited
By later US patents
- Operation of an electrical machine20US 7,057,362 B2Switched Reluctance Drives Limited · 2006
- Active phase coil inductance sensing13US 5,786,681 ADana Corporation · 1998
- Reluctance motor system13US 9,164,497 B2The Boeing Company · 2015
- Manufacturing-sensitive control of high rotor pole switched reluctance motors10US 11,165,382 B2Turntide Technologies, Inc. · 2021
- Control device of a synchronous motor10US 8,519,649 B2Kabushiki Kaisha Toshiba · 2013