F16C 32/0489
With active support of five degrees of freedom
Official title: {with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing}
F16C32/0489 (With active support of five degrees of freedom) appears on 154 US grants and 130 published applications in this corpus.
Search patents in F16C- Granted patents
- 154
- Published applications
- 130
- Assignees
- 90
- Inventors
- 303
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 8 | 1 |
| 2004 | 4 | 5 |
| 2005 | 4 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 8 |
| 2008 | 3 | 6 |
| 2009 | 3 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 5 |
| 2012 | 3 | 4 |
| 2013 | 1 | 0 |
| 2014 | 6 | 4 |
| 2015 | 0 | 6 |
| 2016 | 1 | 3 |
| 2017 | 6 | 6 |
| 2018 | 5 | 7 |
| 2019 | 13 | 18 |
| 2020 | 10 | 6 |
| 2021 | 6 | 7 |
| 2022 | 11 | 8 |
| 2023 | 3 | 3 |
| 2024 | 7 | 5 |
| 2025 | 2 | 8 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic bearing and compressor22 Sep 2026US 12,742,475 B2Gree Electric Appliances, Inc. of Zhuhai
- Closed-loop cooling fluid circuit for magnetic bearings of an expander-compressor system24 Mar 2026US 12,584,420 B2Nuovo Pignone Tecnologie Srl
- Electric motor system, turbo compressor, and refrigeration device24 Mar 2026US 12,587,064 B2Daikin Industries, Ltd.
- Turbo chiller17 Mar 2026US 12,578,130 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Mixed flux motor with integrated journal and thrust bearings18 Nov 2025US 12,476,526 B2Hamilton Sundstrand Corporation
- Bearing device, motor and compressor18 Jun 2026US 2026/0169029 A1Carrier Corporation
- Magnetic bearing control device, magnetic bearing device, and turbo machine11 Dec 2025US 2025/0377016 A1Daikin Industries, Ltd.
- Magnetic bearing system, compressor, and refrigeration device11 Dec 2025US 2025/0377019 A1Daikin Industries, Ltd.
- Modular five-degree-of-freedom magnetic levitation compressor rotor system27 Nov 2025US 2025/0364868 A1Shenyang University of Technology
- Cryogenic Expansion Turbine with Magnetic Bearings19 Jun 2025US 2025/0198303 A1
Most cited
By later US patents
- Magnetic bearing structure providing radial, axial and moment load bearing support for a rotatable shaft92US 5,216,308 AAvcon-Advanced Controls Technology, Inc. · 1993
- Energy storage flywheel with minimum power magnetic bearings and motor/generator74US 6,897,587 B1Calnetix, Inc. · 2005
- Tool holding spindle assembly particularly for a grinding machine68US 4,180,946 A1980
- Combination radial and thrust magnetic bearing62US 6,359,357 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2002
- Multi-stage compressor having first and second passages for cooling a motor during load and non-load operation61US 5,980,218 AHitachi, Ltd. · 1999