F02M 47/043
Fluid pressure acting on injection-valve in the period of non-injection to keep
Official title: {Fluid pressure acting on injection-valve in the period of non-injection to keep it closed}
F02M47/043 (Fluid pressure acting on injection-valve in the period of non-injection to keep) appears on 53 US grants and 21 published applications in this corpus.
Search patents in F02M- Granted patents
- 53
- Published applications
- 21
- Assignees
- 21
- Inventors
- 97
- Latest grant
- 26 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
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| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
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| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 3 |
| 2003 | 1 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Activation of multiple gas needles using a 3/2 pilot valve26 Sep 2023US 11,767,815 B2Woodward L'Orange GmbH
- Fuel system having fixed geometry flow regulating valve for limiting injector cross talk19 Jan 2021US 10,895,233 B2Caterpillar Inc.
- Fuel injection apparatus, a piston engine and method of operating a piston engine19 Jun 2018US 10,001,097 B2WäRtsilä Finland Oy
- Fuel injector2 Jan 2018US 9,856,841 B2AVL Powertrain Engineering, Inc.
- Three-way three-position control valve having a piezoelectric or magnetostrictive actuator, and fuel-injection system comprising the aforesaid valve17 Oct 2017US 9,791,055 B2C. R. F. Societa Consortile per Azioni
- Activation of multiple gas needles using a 3/2 pilot valve30 Jun 2022US 2022/0205418 A1Woodward L'Orange GmbH
- Fuel system having fixed geometry flow regulating valve for limiting injector cross talk19 Nov 2020US 2020/0362805 A1Caterpillar Inc.
- Fuel Injector3 Dec 2015US 2015/0345454 A1AVL Powertrain Engineering, Inc.
- Three-way three-position control valve having a piezoelectric or magnetostrictive actuator, and fuel-injection system comprising the aforesaid valve27 Nov 2014US 2014/0346258 A1C. R. F. Societa Consortile per Azioni
- Dual Check Fuel Injector And Fuel System Using Same6 Feb 2014US 2014/0034023 A1Caterpillar Inc.
Most cited
By later US patents
- High speed fuel injector106US 5,460,329 A1995
- Fuel injector for an internal combustion engine88US 4,603,671 ANippon Soken, Inc. · 1986
- Accumulator-type fuel injection system66US 5,732,679 AIsuzu Motors Limited · 1998
- Fuel injection system for internal combustion engines61US 4,957,085 A1990
- Hydraulically-actuated fuel injector with direct control needle valve61US 5,669,355 ACaterpillar Inc. · 1997