Control device for a fuel injection nozzle

Details Control device for a fuel injection nozzle Control device for a fuel injection nozzle

1991-12-18

1992-08-11

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

With means to bias valve open

251325, F16K 132, F16K 3102

Patent

active

051372568

ABSTRACT:
A control device for a fuel injection nozzle of an internal combustion engine, particularly a diesel engine, provided with a movably guided valve body which forms a valve seat and is controlled by a driving unit and provided with an inner space and with a pressure chamber between an inlet and the valve seat whereby an injection pressure for the injection nozzle is built up in the pressure chamber when the valve seat is closed and pressure compensation is effected between the pressure chamber and an outlet when the valve seat is open characterized in that the valve seat is formed by the end of the valve body lying near the inlet, the pressure chamber communicates with the inner space of the valve body through the valve seat when this is open and the inner space communicates with the outlet.

REFERENCES:
patent: 2633857 (1953-04-01), MacDonald

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