F02M 69/36
Having an enrichment mechanism modifying fuel flow to injectors
Official title: having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages {(at acceleration F02M69/44)}
F02M69/36 (Having an enrichment mechanism modifying fuel flow to injectors) appears on 93 US grants and 8 published applications in this corpus.
Search patents in F02M- Granted patents
- 93
- Published applications
- 8
- Assignees
- 35
- Inventors
- 140
- Latest grant
- 22 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 16 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fuel injector having dry-running protection valve and fuel system using same22 Mar 2022US 11,280,306 B1Caterpillar Inc.
- Decoupling element for a fuel-injection device5 May 2020US 10,641,224 B2Robert Bosch GmbH
- Exhaust treatment system having membrane module for water removal21 Aug 2018US 10,054,022 B2Tenneco Automotive Operating Company Inc.
- Fuel injection system of an internal combustion engine3 May 2016US 9,328,708 B2Robert Bosch GmbH
- Electrically activated carburettor25 Nov 2014US 8,894,043 B2Makita Corporation
- Decoupling element for a fuel-injection device16 Nov 2017US 2017/0328325 A1Robert Bosch GmbH
- Exhaust Treatment System Having Membrane Module For Water Removal24 Aug 2017US 2017/0241317 A1Tenneco Automotive Operating Company Inc.
- Fuel injection system of an internal combustion engine27 Dec 2012US 2012/0325173 A1Robert Bosch GmbH
- Fuel supply apparatus26 Apr 2012US 2012/0097132 A1Toyota Jidosha Kabushiki Kaisha
- Electrically activated carburettor29 Mar 2012US 2012/0074600 A1Makita Corporation
Most cited
By later US patents
- Spill type swirl injector44US 4,292,947 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1981
- Temperature compensated fuel injection system for internal combustion engines23US 4,522,177 ANippon Soken, Inc. · 1985
- Fuel circuit for an internal combustion engine18US 4,205,648 AChrysler Corporation · 1980
- Fuel pressure control method and system for direct fuel injection engine16US 5,394,844 AFuji Jukogyo Kabushiki Kaisha · 1995
- Air valve for a fuel injection system15US 4,064,854 ARobert Bosch GmbH · 1977