Fuel systems

Details Fuel systems Fuel systems

1995-03-02

1996-06-04

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123506, F02M 3704

Patent

active

055223648

ABSTRACT:
A pump/injector includes a high pressure pump which delivers fuel to an inwardly opening fuel injection nozzle. Also provided is a spill valve which is connected to the pumping chamber of the pump and through which the pumping chamber is filled with fuel from a source by way of a first non-return valve. Connected intermediate the spill valve and the non-return valve is a branch passage to the spring chamber of the nozzle and the pressure in the spring chamber when the spill valve is opened to terminate delivery of fuel is controlled by a valve.

REFERENCES:
patent: 3416506 (1968-12-01), Steiger
patent: 4080942 (1978-03-01), Vincent
patent: 4545352 (1985-10-01), Jourdf
patent: 4603671 (1986-08-01), Yoshinaga
patent: 4784101 (1988-11-01), Iwanaga
patent: 5156132 (1992-10-01), Iwanaga
patent: 5176120 (1993-01-01), Takahashi
patent: 5186151 (1993-02-01), Schwerdt
patent: 5277163 (1994-01-01), Ohishi

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