F02B 2023/108
Swirl flow, i.e. the axis of rotation of the main charge flow
Official title: {Swirl flow, i.e. the axis of rotation of the main charge flow motion is vertical}
F02B2023/108 (Swirl flow, i.e. the axis of rotation of the main charge flow) appears on 229 US grants and 108 published applications in this corpus.
Search patents in F02B- Granted patents
- 229
- Published applications
- 108
- Assignees
- 69
- Inventors
- 371
- Latest grant
- 7 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 19 | 0 |
| 2000 | 20 | 0 |
| 2001 | 13 | 3 |
| 2002 | 12 | 10 |
| 2003 | 10 | 4 |
| 2004 | 9 | 5 |
| 2005 | 3 | 1 |
| 2006 | 5 | 5 |
| 2007 | 2 | 0 |
| 2008 | 1 | 6 |
| 2009 | 3 | 6 |
| 2010 | 4 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 1 |
| 2013 | 3 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 3 | 3 |
| 2019 | 6 | 15 |
| 2020 | 10 | 6 |
| 2021 | 14 | 15 |
| 2022 | 14 | 5 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Optimized fuel management system for direct injection ethanol enhancement of gasoline engines129US 7,225,787 B2Massachusetts Institute of Technology · 2007
- Plasma jet ignition engine and method122US 4,203,393 AFord Motor Company · 1980
- Ignition system employing plasma spray90US 4,364,342 AFord Motor Company · 1982
- Direct fuel injection type spark ignition internal combustion engine having a squish flow for assisting fuel evaporation75US 4,920,937 AToyota Jidosha Kabushiki Kaisha · 1990
- Combustion engine71US 6,213,086 B1AVL List GmbH · 2001