Fuel injector assembly

Details Fuel injector assembly Fuel injector assembly

2005-01-11

2005-01-11

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S470000

Reexamination Certificate

active

06840225

ABSTRACT:
A fuel injector assembly includes a housing having a plurality of injector bores, a plurality of fuel feed bore, each intersecting a corresponding one of the injector bores, and a common return passage which communicates all the fuel feed bores with a fuel reservoir. A fuel injector is mounted in each of the injector bores. Each injector has a return fuel port which communicates return fuel to an exterior of the injector. A fuel feed member is mounted in each of the fuel feed bores. Each fuel feed member has a fuel feed passage which communicates pressurized fuel to a corresponding one of the injectors. An outer surface of each fuel feed member and a wall of each fuel feed bore forms a return chamber which is communicated with a corresponding return fuel port and which is communicated with the common return passage.

REFERENCES:
patent: 4601275 (1986-07-01), Weinand
patent: 5201295 (1993-04-01), Kimberley et al.
patent: 5839661 (1998-11-01), Iwanaga
patent: 6234413 (2001-05-01), Greaney
patent: 6237571 (2001-05-01), Harrison
patent: 6604509 (2003-08-01), Hegner

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