F02D 2250/28
Control for reducing torsional vibrations
Official title: Control for reducing torsional vibrations, e.g. at acceleration
F02D2250/28 (Control for reducing torsional vibrations) appears on 166 US grants and 162 published applications in this corpus.
Search patents in F02D- Granted patents
- 166
- Published applications
- 162
- Assignees
- 68
- Inventors
- 411
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 7 |
| 2003 | 3 | 5 |
| 2004 | 10 | 6 |
| 2005 | 3 | 8 |
| 2006 | 7 | 1 |
| 2007 | 7 | 7 |
| 2008 | 3 | 9 |
| 2009 | 5 | 11 |
| 2010 | 6 | 8 |
| 2011 | 6 | 8 |
| 2012 | 7 | 9 |
| 2013 | 14 | 11 |
| 2014 | 6 | 7 |
| 2015 | 10 | 7 |
| 2016 | 10 | 7 |
| 2017 | 2 | 9 |
| 2018 | 14 | 11 |
| 2019 | 8 | 10 |
| 2020 | 6 | 3 |
| 2021 | 12 | 5 |
| 2022 | 6 | 4 |
| 2023 | 0 | 5 |
| 2024 | 3 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Torsional vibration solutions for cylinder deactivation17 Feb 2026US 12,553,399 B2Eaton Intelligent Power Limited
- Jet propulsion watercraft3 Feb 2026US 12,539,951 B2Yamaha Hatsudoki Kabushiki Kaisha
- Method for dynamically determining a firing pattern for an engine with dynamic cylinder activation and a system implementing the method16 Dec 2025US 12,497,928 B2Purdue Research Foundation
- Vibration reduction in internal combustion engine4 Feb 2025US 12,215,638 B2Scania CV AB
- Driveline arrangement and method of controlling a driveline arrangement1 Oct 2024US 12,103,655 B2AB Volvo Penta
- Method to shut down an internal combustion engine27 Aug 2026US 2026/0251095 A1Volvo Truck Corporation
- Torsional vibration solutions for cylinder deactivation6 Mar 2025US 2025/0075670 A1Eaton Intelligent Power Limited
- Method for dynamically determining a firing pattern for an engine with dynamic cylinder activation and a system implementing the method19 Sep 2024US 2024/0309826 A1Purdue Research Foundation
- Driveline arrangement and method of controlling a driveline arrangement21 Sep 2023US 2023/0294811 A1AB Volvo Penta
- Vibration Reduction in Internal Combustion Engine24 Aug 2023US 2023/0265802 A1Scania CV AB
Most cited
By later US patents
- Differential torque operation for internal combustion engine167US 7,503,312 B2Ford Global Technologies, LLC · 2009
- Control apparatus for driving vehicle and control method for driving vehicle49US 7,207,304 B2Aisin Aw Co., Ltd. · 2007
- Valve control to reduce modal frequencies that may cause vibration48US 7,140,355 B2Ford Global Technologies, LLC · 2006
- Active driveline damping42US 5,669,354 AGeneral Motors Corporation · 1997
- Reducing noise, vibration, and harshness in a variable displacement engine39US 8,146,565 B2Ford Global Technologies, LLC · 2012