F02D 13/08
Controlling the engine output power by varying inlet or exhaust valve operating
Official title: for rendering engine inoperative or idling
F02D13/08 (Controlling the engine output power by varying inlet or exhaust valve operating) appears on 83 US grants and 82 published applications in this corpus.
Search patents in F02D- Granted patents
- 83
- Published applications
- 82
- Assignees
- 34
- Inventors
- 190
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 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 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 4 |
| 2006 | 3 | 3 |
| 2007 | 5 | 4 |
| 2008 | 4 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 2 |
| 2011 | 0 | 6 |
| 2012 | 6 | 11 |
| 2013 | 7 | 7 |
| 2014 | 9 | 3 |
| 2015 | 5 | 7 |
| 2016 | 5 | 4 |
| 2017 | 5 | 2 |
| 2018 | 3 | 2 |
| 2019 | 4 | 2 |
| 2020 | 0 | 2 |
| 2021 | 5 | 5 |
| 2022 | 3 | 5 |
| 2023 | 4 | 2 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control unit and method for operating a hybrid drive having an internal combustion engine with reduced drag torque11 Feb 2025US 12,221,933 B2Bayerische Motoren Werke Aktiengesellschaft
- Control unit and method for operating a hybrid drive6 Aug 2024US 12,055,104 B2Bayerische Motoren Werke Aktiengesellschaft
- Controller device for variable valve timing apparatus25 Jun 2024US 12,018,622 B2Hitachi Astemo, Ltd.
- Stop control device for internal combustion engine18 Jun 2024US 12,012,906 B2Aisin Corporation
- Internal combustion engine for a motor vehicle, having a control unit for aligning a camshaft and method for operating such an internal combustion engine19 Sep 2023US 11,761,356 B2Daimler AG
- Controller Device for Variable Valve Timing Apparatus10 Aug 2023US 2023/0250767 A1Hitachi Astemo, Ltd.
- Stop control device for internal combustion engine3 Aug 2023US 2023/0243313 A1Aisin Corporation
- Intake and exhaust valve control strategies to reduce noise/vibration/harshness during engine stop/start events1 Dec 2022US 2022/0381189 A1
- Method for controlling camshaft orientation for improved engine re-starting of an engine having start-stop capability17 Nov 2022US 2022/0364485 A1BorgWarner Inc.
- Stop position controller for engine29 Sep 2022US 2022/0307457 A1Mazda Motor Corporation
Most cited
By later US patents
- Method of gradual stopping control of an internal combustion engine22US 6,647,955 B1Robert Bosch GmbH · 2003
- Method to manage internal combustion engine shutdown20US 6,257,194 B1Ford Global Technologies, LLC · 2001
- Method for controlling valves of an engine having a variable event valvetrain during an engine stop15US 7,458,346 B2Ford Global Technologies, LLC · 2008
- Valve timing control apparatus for internal combustion engine and control method thereof13US 7,159,545 B2Hitachi, Ltd. · 2007
- Method of stopping internal combustion engine13US 7,438,042 B1Mazda Motor Corporation · 2008