F02M 69/12
Comprising a fuel-displaced free-piston for intermittently metering and supplying fuel to injection
Official title: comprising a fuel-displaced free-piston for intermittently metering and supplying fuel to injection nozzles {(high-pressure fuel-injection with fuel-displaced auxiliary pistons F02M59/32)}
F02M69/12 (Comprising a fuel-displaced free-piston for intermittently metering and supplying fuel to injection) appears on 3 US grants and 0 published applications in this corpus.
Search patents in F02M- Granted patents
- 3
- Published applications
- 0
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 24 Mar 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Position-servo device for positioning a stop in a positive displacement fuel injection system24 Mar 1992US 5,098,260 ACummins Engine Company, Inc.
- Fuel injection device for internal combustion engines23 Oct 1990US 4,964,389 ARobert Bosch GmbH
- Adjustable hydraulically operated stop23 Oct 1984US 4,478,188 ARobert Bosch GmbH
No published applications in this class yet.
Most cited
By later US patents
- Fuel injection device for internal combustion engines6US 4,964,389 ARobert Bosch GmbH · 1990
- Adjustable hydraulically operated stop3US 4,478,188 ARobert Bosch GmbH · 1984
- Position-servo device for positioning a stop in a positive displacement fuel injection system1US 5,098,260 ACummins Engine Company, Inc. · 1992