F02M 2023/008
Apparatus for adding secondary air to fuel-air mixture: by injecting compressed air
Official title: {by injecting compressed air directly into the combustion chamber}
F02M2023/008 (Apparatus for adding secondary air to fuel-air mixture: by injecting compressed air) appears on 41 US grants and 46 published applications in this corpus.
Search patents in F02M- Granted patents
- 41
- Published applications
- 46
- Assignees
- 26
- Inventors
- 72
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 4 |
| 2009 | 1 | 4 |
| 2010 | 3 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 4 | 2 |
| 2016 | 2 | 5 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 8 |
| 2020 | 6 | 3 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for controlling a gaseous blend in a combustion chamber of a two-stroke cycle of an internal combustion engine3 Mar 2026US 12,565,867 B2
- Method and system for starting an engine17 Oct 2023US 11,788,483 B1Ford Global Technologies, LLC
- Internal combustion engine, combustion systems, and related methods and control methods and systems3 Oct 2023US 11,773,765 B2
- Engine system18 Apr 2023US 11,629,671 B2Subaru Corporation
- Internal combustion engine having dedicated EGR cylinder(s) and air-assisted spark ignition6 Dec 2022US 11,522,345 B2Southwest Research Institute
- Cycle based on compressed air by an auxiliary compressor for internal combustion engines17 Apr 2025US 2025/0122851 A1
- Engine system4 Aug 2022US 2022/0243686 A1Subaru Corporation
- Methods and systems for a ducted injector10 Feb 2022US 2022/0042484 A1Ford Global Technologies, LLC
- Internal Combustion Engine Having Dedicated EGR Cylinder(s) and Air-Assisted Spark Ignition21 Oct 2021US 2021/0324785 A1Southwest Research Institute
- Liquid and/or gaseous fuel delivery system and methods therof9 Sep 2021US 2021/0277820 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Compression ignition engines and methods27US 7,958,864 B2Sturman Digital Systems, LLC · 2011
- Dual fuel compression ignition engines and methods21US 8,327,831 B2Sturman Digital Systems, LLC · 2012
- Combustion control system for internal combustion engine20US 7,721,703 B2Nissan Motor Co., Ltd. · 2010
- Low emission high performance engines, multiple cylinder engines and operating methods20US 7,793,638 B2Sturman Digital Systems, LLC · 2010
- Turbo-lag compensation system for an engine14US 7,314,043 B1Ford Global Technologies, LLC · 2008