F02B 2275/48
Tumble motion in gas movement in cylinder
F02B2275/48 (Tumble motion in gas movement in cylinder) appears on 310 US grants and 138 published applications in this corpus.
Search patents in F02B- Granted patents
- 310
- Published applications
- 138
- Assignees
- 84
- Inventors
- 588
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 21 | 0 |
| 1997 | 14 | 0 |
| 1998 | 25 | 0 |
| 1999 | 23 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 7 |
| 2002 | 18 | 13 |
| 2003 | 16 | 2 |
| 2004 | 9 | 8 |
| 2005 | 10 | 8 |
| 2006 | 10 | 9 |
| 2007 | 3 | 3 |
| 2008 | 4 | 5 |
| 2009 | 5 | 11 |
| 2010 | 5 | 10 |
| 2011 | 6 | 6 |
| 2012 | 1 | 5 |
| 2013 | 9 | 4 |
| 2014 | 2 | 5 |
| 2015 | 3 | 7 |
| 2016 | 3 | 6 |
| 2017 | 8 | 4 |
| 2018 | 7 | 5 |
| 2019 | 5 | 7 |
| 2020 | 3 | 5 |
| 2021 | 5 | 3 |
| 2022 | 4 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intake system for an internal combustion engine, in particular of a motor vehicle31 Dec 2024US 12,180,881 B2Bayerische Motoren Werke Aktiengesellschaft
- Gas intake device having two asymmetrical intake ducts14 Feb 2023US 11,578,644 B2Ifp Energies Nouvelles
- Engine24 Jan 2023US 11,560,828 B2Subaru Corporation
- Gas intake device comprising an oriented masking element22 Nov 2022US 11,506,113 B2Ifp Energies Nouvelles
- Control method and control device of internal combustion engine18 Oct 2022US 11,473,493 B2Nissan Motor Co., Ltd.
- Gaseous fuel combustion system and method utilizing a piston reentrant feature for hastened fuel-air mixing16 Jul 2026US 2026/0201829 A1Caterpillar Inc.
- Land vehicle with an engine comprising an air intake duct provided with a device for selectively generating an air tumble in the combustion chamber26 Mar 2026US 2026/0085642 A1Ferrari S.P. A.
- Gas intake device having two asymmetrical intake ducts2 Jun 2022US 2022/0170412 A1Ifp Energies Nouvelles
- Gas intake device comprising an oriented masking element19 May 2022US 2022/0154630 A1Ifp Energies Nouvelles
- Gas inlet duct generating an aerodynamic movement of gas within a cylinder24 Mar 2022US 2022/0090535 A1Ifp Energies Nouvelles
Most cited
By later US patents
- In-cylinder direct-injection spark-ignition engine98US 6,138,639 ANissan Motor Co., Ltd. · 2000
- Cylinder injection engine and fuel injection nozzle used for the engine61US 6,722,340 B1Hitachi, Ltd. · 2004
- Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion60US 6,092,501 ANissan Motor Co., Ltd. · 2000
- Method of and system for purifying exhaust gas for engines58US 5,950,419 AMazda Motor Corporation · 1999
- Direct-injection spark ignition engine58US 6,672,277 B2Mazda Motor Corporation · 2004