H02P 27/024
Using ac supply for only the rotor circuit or only the stator
Official title: using AC supply for only the rotor circuit or only the stator circuit
H02P27/024 (Using ac supply for only the rotor circuit or only the stator) appears on 19 US grants and 20 published applications in this corpus.
Search patents in H02P- Granted patents
- 19
- Published applications
- 20
- Assignees
- 16
- Inventors
- 39
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 3 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year.
Recent patents
- Method for starting and stopping an asynchronous motor3 Sep 2024US 12,081,146 B2Siemens Aktiengesellschaft
- Series hybrid architecture for an unmanned underwater vehicle propulsion system18 May 2021US 11,009,327 B2Hamilton Sundstrand Corporation
- Series hybrid architecture for an unmanned underwater vehicle propulsion system21 Jul 2020US 10,718,598 B2Hamilton Sundstrand Corporation
- System and computer-implemented method for controlling motor operation using programmable multiplexed tap logic31 Mar 2020US 10,608,577 B2Nidec Motor Corporation
- Method of dissipating regenerative energy in cargo handling systems1 Oct 2019US 10,432,127 B1Goodrich Corporation
- Method for starting and stopping an asynchronous motor8 Jun 2023US 2023/0179125 A1Siemens Aktiengesellschaft
- Single phase motor driving circuit, and driving method thereof13 Jan 2022US 2022/0014122 A1
- Series hybrid architecture for an unmanned underwater vehicle propulsion system8 Oct 2020US 2020/0318936 A1Hamilton Sundstrand Corporation
- System and computer-implemented method for controlling motor operation using programmable multiplexed tap logic11 Jul 2019US 2019/0214935 A1Nidec Motor Corporation
- Unmanned underwater vehicle propulsion system including an ac power distribution bus27 Dec 2018US 2018/0370607 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Controller for a door operator50US 6,184,641 B2The Chamberlain Group, Inc. · 2001
- Variable frequency drive bypass energy savings20US 9,018,882 B2Yaskawa America, Inc. · 2015
- System and method for stall detection of a motor15US 7,196,491 B2Siemens Energy & Automation, Inc. · 2007
- Method of controlling preheating power and mechanism for providing preheating14US 6,617,819 B2Daikin Industries, Ltd. · 2003
- Method of rotating a polyphase motor at less than rated speed13US 7,345,449 B2Benshaw, Inc. · 2008