Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1996-03-26
1997-07-01
Miller, Carl S.
Internal-combustion engines
Charge forming device
Fuel injection system
123447, 123514, F02M 4100
Patent
active
056427166
ABSTRACT:
The device comprises a pressure pump for pumping fuel from a reservoir to a ressure duct connected to an accumulator. This supplies a series of injectors for an internal combustion engine. The device further includes a pair of solenoid valves disposed between the pump and the accumulator, which are controlled by an electronic unit as a function of data on the pressure in the accumulator detected by a sensor. The solenoid valve is normally closed to discharge fuel received from the pump into the reservoir and is opened to deliver this fuel to the accumulator. On the other hand the solenoid valve is normally open to deliver fuel received to the accumulator and is closed to discharge the fuel from the accumulator into the reservoir. Between the two solenoid valves and is disposed a non-return valve.
REFERENCES:
patent: 4872438 (1989-10-01), Ausiello
patent: 5085193 (1992-02-01), Morikawa
patent: 5094216 (1992-03-01), Miyaki
patent: 5373829 (1994-12-01), Schuers
patent: 5425342 (1995-06-01), Agira
patent: 5433182 (1995-07-01), Augustin
patent: 5456233 (1995-10-01), Felhofer
Elasis Sistema Ricerca Fiat Nel Mezzogiorno Societe Consortile P
Miller Carl S.
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