Fuel injection valve

Details Fuel injection valve Fuel injection valve

1980-07-11

1982-11-30

Lazarus, Ira S.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123568, 123472, F02B 2300

Patent

active

043611265

ABSTRACT:
A fuel injection valve is proposed which, especially in low-fuel-pressure systems, serves to inject fuel into the intake tube of a mixture-compressing internal combustion engine with externally supplied ignition. The fuel injection valve includes a fixed valve seat cooperating with a movable valve element, downstream of which the fuel to be injected is carried into a mixture guidance channel of a mixture guidance tube and surrounded on all sides with air or exhaust gas for preparation immediately upon its entrance into the mixture guidance channel and injected via an injection opening into the intake tube. The mixture guidance channel may be embodied as tapering in conical fashion toward the injection opening. For the purpose of preliminary preparation of the fuel, secondary air or exhaust gas can already be delivered to the fuel before its entrance into the mixture guidance channel. The fuel injection valve embodied according to the invention assures optimal preparation of the fuel to be injected, even at low fuel pressures, and good running behavior of the engine in the event of abrupt changes in load.

REFERENCES:
patent: 2860616 (1958-11-01), Dermond
patent: 3416503 (1968-12-01), High
patent: 3782639 (1974-01-01), Boltz et al.
patent: 3788287 (1974-01-01), Falen et al.
patent: 3980056 (1976-09-01), Kraus
patent: 4159703 (1979-07-01), Mayer
patent: 4216753 (1980-08-01), Inoue et al.

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