F02D 2041/0015
For engines with means for controlling swirl or tumble flow
Official title: {for engines with means for controlling swirl or tumble flow, e.g. by using swirl valves}
F02D2041/0015 (For engines with means for controlling swirl or tumble flow) appears on 277 US grants and 254 published applications in this corpus.
Search patents in F02D- Granted patents
- 277
- Published applications
- 254
- Assignees
- 70
- Inventors
- 556
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 9 |
| 2002 | 8 | 8 |
| 2003 | 10 | 7 |
| 2004 | 10 | 7 |
| 2005 | 5 | 5 |
| 2006 | 12 | 16 |
| 2007 | 10 | 6 |
| 2008 | 4 | 11 |
| 2009 | 1 | 10 |
| 2010 | 15 | 7 |
| 2011 | 5 | 10 |
| 2012 | 4 | 8 |
| 2013 | 9 | 4 |
| 2014 | 2 | 4 |
| 2015 | 4 | 9 |
| 2016 | 4 | 17 |
| 2017 | 8 | 22 |
| 2018 | 19 | 20 |
| 2019 | 22 | 22 |
| 2020 | 26 | 14 |
| 2021 | 23 | 26 |
| 2022 | 19 | 6 |
| 2023 | 4 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Startup control method for in-cylinder direct injection spark ignition internal combustion engine, and internal combustion engine system20 May 2025US 12,305,585 B2Nissan Motor Co., Ltd.
- Internal combustion engine19 Nov 2024US 12,146,450 B2Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine including multiple fuel injections external to a pre-chamber26 Mar 2024US 11,939,905 B2Board of Trustees of Michigan State University
- Fuel injection control device2 Jan 2024US 11,859,572 B2Mitsubishi Heavy Industries, Ltd.
- Control device for engine12 Dec 2023US 11,840,976 B2Mazda Motor Corporation
- Ignition system23 Apr 2026US 2026/0110285 A1Volvo Truck Corporation
- Diagnostic method and diagnostic device for gas flow control valve of internal combustion engine12 Mar 2026US 2026/0071585 A1
- Startup control method for in-cylinder direct injection spark ignition internal combustion engine, and internal combustion engine system26 Dec 2024US 2024/0426254 A1Nissan Motor Co., Ltd.
- Internal combustion engine14 Sep 2023US 2023/0287845 A1Toyota Jidosha Kabushiki Kaisha
- Control device for engine2 Mar 2023US 2023/0062098 A1Mazda Motor Corporation
Most cited
By later US patents
- Valve operating system for internal combustion engine80US 5,669,341 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Direct injection type internal combustion engine55US 6,799,551 B2Kabushiki Kaisha Toyota Chuo Kenkyusho · 2004
- Control device of an internal combustion engine54US 4,592,315 AToyota Jidosha Kabushiki Kaisha · 1986
- Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve52US 7,013,863 B2Hitachi, Ltd. · 2006
- Method for controlling a spark-ignition engine without a throttle flap50US 5,115,782 ARobert Bosch GmbH · 1992