Fuel injection system

Details Fuel injection system Fuel injection system

2007-02-23

2010-06-08

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

Reexamination Certificate

active

07730876

ABSTRACT:
A fuel injection system for an internal combustion engine includes an engine management system, a return conduit connected to a low-pressure fuel system, and a common rail for storing and supplying a relatively high-pressure fuel to injectors. Each injector has a nozzle for injecting fuel into the engine, a valve installed between the common rail and the nozzle, and a spill valve connected by its inlet to the outlet of the valve and by its outlet to the return conduit. A first automatic isolating valve is installed between the common rail and the injector and a second automatic isolating valve is installed between the return conduit and the low-pressure fuel system.

REFERENCES:
patent: 4462368 (1984-07-01), Funada
patent: 6718947 (2004-04-01), Mahr et al.
patent: 2004/0050367 (2004-03-01), Kurrle et al.
patent: 2004/0069276 (2004-04-01), Parche
patent: 1273797 (2003-01-01), None
International Search Report for corresponding International Application PCT/SE2007/000163.

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