Fuel injection device for internal combustion engines

Details Fuel injection device for internal combustion engines Fuel injection device for internal combustion engines

2005-06-21

2005-06-21

Ganey, Steven J. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

C239S533200, C239S533300, C123S447000, C123S467000

Reexamination Certificate

active

06908043

ABSTRACT:
In a fuel injection system for internal combustion engines including a plurality of injection valves connected to a fuel injection line and each having a nozzle chamber, a control chamber, a valve member controlling injection openings and which is actuatable counter to the action of a closing spring via a first control face acting in the valve opening direction, and via a second control face acting in the valve closing direction, one piston, displaceable in the compression direction, which on its face end defines a first compression chamber, for generating the injection pressure, one first valve for controlling the pressure buildup in the first compression chamber, and one second valve for controlling the pressure buildup in the control chamber. The piston, with an annular shoulder, defines a second compression chamber communicating with the control chamber.

REFERENCES:
patent: 4459959 (1984-07-01), Terada et al.
patent: 5826562 (1998-10-01), Chen et al.
patent: 5992359 (1999-11-01), Rose
patent: 6453875 (2002-09-01), Mahr et al.
patent: 6513497 (2003-02-01), Mahr et al.
patent: WO 01/52916 (2001-07-01), None

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