Fuel injector assembly and internal combustion engine...

Details Fuel injector assembly and internal combustion engine... Fuel injector assembly and internal combustion engine...

2011-04-19

2011-04-19

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S511000, C123S447000, C239S088000

Reexamination Certificate

active

07926469

ABSTRACT:
This fuel injector assembly (1) is used to inject fuel into a combustion chamber (52) of an engine. It comprises a needle control unit (14) adapted to actuate a needle (15) to deliver fuel to the chamber (52), an amplifier unit (13) adapted to increase the pressure of a quantity of fuel coming from an accumulator (3) of fuel under pressure and a cam (4) driven feeder unit (12) adapted to feed the accumulator (3) with fuel under pressure. No external pump is needed to feed the accumulator (3).

REFERENCES:
patent: 4784101 (1988-11-01), Iwanaga et al.
patent: 5176120 (1993-01-01), Takahashi
patent: 5326034 (1994-07-01), Peters
patent: 6227166 (2001-05-01), Mack
patent: 6439202 (2002-08-01), Carroll, III et al.
patent: 6513497 (2003-02-01), Mahr et al.
patent: 6845754 (2005-01-01), Pecheny et al.
patent: 2004033893 (2004-04-01), None

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