Fuel injection apparatus

Details Fuel injection apparatus Fuel injection apparatus

1989-12-18

1991-06-04

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123446, 123506, F02M 4702, F02M 4508, F02M 5702

Patent

active

050204980

ABSTRACT:
In a fuel injection apparatus having an injection nozzle opening at predetermined pressure, to which fuel is deliverable under pressure, the injection nozzle chamber communicates with a fuel supply line with the interposition of a check valve closing outward; the pressure in the fuel supply line is lower than the opening pressure of the injection nozzle. Furthermore, the injection nozzle chamber communicates with a work chamber of a spring-loaded work piston, the displacement motion of which for increasing the pressure in the nozzle chamber above the opening pressure of the injection nozzle is effected by relieving a second work chamber of the spring-loaded work piston under the influence of spring force.

REFERENCES:
patent: 3961612 (1976-06-01), Okamoto et al.
patent: 4381750 (1983-05-01), Funada
patent: 4417557 (1983-11-01), Walter
patent: 4440134 (1984-04-01), Nakao et al.

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