F02D 41/0062
Estimating, calculating or determining the internal egr rate, amount or flow
Official title: {Estimating, calculating or determining the internal EGR rate, amount or flow}
F02D41/0062 (Estimating, calculating or determining the internal egr rate, amount or flow) appears on 184 US grants and 186 published applications in this corpus.
Search patents in F02D- Granted patents
- 184
- Published applications
- 186
- Assignees
- 62
- Inventors
- 439
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 6 |
| 2003 | 7 | 3 |
| 2004 | 3 | 9 |
| 2005 | 9 | 8 |
| 2006 | 11 | 7 |
| 2007 | 7 | 8 |
| 2008 | 4 | 4 |
| 2009 | 3 | 8 |
| 2010 | 5 | 8 |
| 2011 | 6 | 6 |
| 2012 | 5 | 6 |
| 2013 | 4 | 11 |
| 2014 | 4 | 17 |
| 2015 | 11 | 15 |
| 2016 | 21 | 9 |
| 2017 | 7 | 11 |
| 2018 | 15 | 11 |
| 2019 | 13 | 12 |
| 2020 | 9 | 13 |
| 2021 | 14 | 2 |
| 2022 | 5 | 5 |
| 2023 | 7 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stoichiometric high-temperature direct-injection compression-ignition engine14 Jan 2025US 12,196,125 B2The Board of Trustees of the Leland Stanford Junior University
- Control method and control device for internal combustion engine12 Sep 2023US 11,754,004 B2Nissan Motor Co., Ltd.
- Method to determine the mass of air trapped in each cylinder of an internal combustion engine29 Aug 2023US 11,739,701 B2Marelli Europe S.P.A.
- Cost based substitution ratio control in hydrogen-capable internal combustion engine system28 Mar 2023US 11,614,040 B1Caterpillar Inc.
- Engine system28 Feb 2023US 11,591,983 B2Mazda Motor Corporation
- Engine system with combustion control for reducing combustion variations2 Oct 2025US 2025/0305464 A1Mazda Motor Corporation
- Method of controlling internal combustion engine, control arrangement, internal combustion engine, and vehicle26 Dec 2024US 2024/0426256 A1Scania CV AB
- Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine9 Nov 2023US 2023/0358161 A1The Board of Trustees of the Leland Stanford Junior University
- Method to Determine the Mass of Air Trapped in Each Cylinder of an Internal Combustion Engine9 Nov 2023US 2023/0358183 A1Marelli Europe S.P.A.
- Control method and control device for internal combustion engine25 Aug 2022US 2022/0268220 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- EGR control system76US 8,036,813 B2C. R. F. Societa Consortile per Azioni · 2011
- Virtual vehicle sensors based on neural networks trained using data generated by simulation models74US 6,236,908 B1Ford Global Technologies, LLC · 2001
- Method for calculating the air charge for an internal combustion engine with variable valve timing54US 5,635,634 ARobert Bosch GmbH · 1997
- Apparatus for computing the amount of intake air in internal combustion engine51US 5,590,632 AToyota Jidosha Kabushiki Kaisha · 1997
- Method of controlling in-cylinder trapped gas masses in a variable timing gasoline engine39US 8,307,814 B2Ifp · 2012