Fuel system

Details Fuel system Fuel system

1996-03-21

1997-05-06

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123506, F02M 3704

Patent

active

056261195

ABSTRACT:
A fuel system for an internal combustion engine comprises a plurality of pump/injectors each of which comprises a housing within which is provided a plunger-type fuel pump, a spill valve, an injector and a non-return valve. The pump is arranged to supply fuel at high pressure to the injector and to a port of the spill valve. The other port of the spill valve is connected to a source of fuel through a non-return valve, and also to the spring chamber of the injector through the non-return valve. The spring chamber communicates through a restrictor with a common passage the pressure within which is controlled by a valve.

REFERENCES:
patent: 4249497 (1981-02-01), Eheim
patent: 4750462 (1988-06-01), Egler
patent: 4784101 (1988-11-01), Iwanaga
patent: 5007584 (1991-04-01), Rossignol
patent: 5012786 (1991-05-01), Voss
patent: 5156132 (1992-10-01), Iwanaga
patent: 5186151 (1993-02-01), Schwerdt
patent: 5201295 (1993-04-01), Kimberley
patent: 5265804 (1993-11-01), Brunel
patent: 5522364 (1996-06-01), Knight

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