H02P 29/67
Controlling or determining the motor temperature by back electromotive force [back-emf] evaluation
Official title: {Controlling or determining the motor temperature by back electromotive force [back-EMF] evaluation}
H02P29/67 (Controlling or determining the motor temperature by back electromotive force [back-emf] evaluation) appears on 26 US grants and 26 published applications in this corpus.
Search patents in H02P- Granted patents
- 26
- Published applications
- 26
- Assignees
- 27
- Inventors
- 89
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 4 |
| 2022 | 2 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Power conversion device24 Jun 2025US 12,341,447 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Method and system for active detection of rotor magnet temperature1 Oct 2024US 12,107,527 B2Ford Global Technologies, LLC
- Method and device for adjusting permanent magnet motor, equipment, and storage medium2 Jan 2024US 11,863,109 B2Crrc Yongji Electric Co., Ltd.
- Short-circuit fault-tolerant control method based on deadbeat current tracking for five-phase permanent magnet motor with sinusoidal back-electromotive force or trapezoidal back-electromotive force21 Mar 2023US 11,611,307 B2Jiangsu University
- Magnet temperature estimating device for motor and hybrid vehicle provided with the same14 Feb 2023US 11,581,842 B2Mazda Motor Corporation
- Method and System for Active Detection of Rotor Magnet Temperature28 Dec 2023US 2023/0421090 A1Ford Global Technologies, LLC
- Power Conversion Device21 Sep 2023US 2023/0299700 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Method and device for adjusting permanent magnet motor, equipment, and storage medium9 Feb 2023US 2023/0039034 A1Crrc Yongji Electric Co., Ltd.
- Short-circuit fault-tolerant control method based on deadbeat current tracking for five-phase permanent magnet motor with sinusoidal back-electromotive force or trapezoidal back-electromotive force17 Nov 2022US 2022/0368269 A1Jiangsu University
- Motor driver controller analysis device24 Mar 2022US 2022/0094298 A1Lennox Industries Inc.
Most cited
By later US patents
- Controlling a brushless DC motor19US 6,661,192 B2Infineon Technologies AG · 2003
- Method and device for measuring the temperature of a brushless d-c motor18US 4,879,497 AHeidelberger Druckmaschinen AG · 1989
- Systems and methods of monitoring a motor load16US 7,205,737 B1Robert Bosch GmbH · 2007
- Electric motor thermal management11US 9,496,817 B1Freescale Semiconductor, Inc. · 2016
- Controlling a brushless DC motor5US 6,462,495 B1Infineon Technologies AG · 2002