Fuel injection system for internal combustion engine

Details Fuel injection system for internal combustion engine Fuel injection system for internal combustion engine

1977-05-09

1979-08-28

Jordan, Charles T.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 3900

Patent

active

041657241

ABSTRACT:
A fluid pressure chamber is formed in a fuel injection valve, in which a piston connected to a nozzle needle is reciprocally disposed. The pressure chamber is supplied with fluid under pressure from a fluid pump through a check valve. The pressure chamber is also connected with an orifice. When a fuel is distributed from a fuel injection pump under pressure and supplied to the injection valve, the nozzle needle is lifted by the distributed fuel under pressure. When the nozzle needle is lifted, the fluid in the pressure chamber is compressed for causing a fluid pressure applied to the piston in a valve closing direction, whereby the starting of the fuel injection becomes gentle, decreasing combustion noises.

REFERENCES:
patent: 3810453 (1974-05-01), Wolfe
patent: 4036192 (1977-07-01), Nakayama
patent: 4080942 (1978-03-01), Vincent et al.

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