Fuel injection apparatus

Details Fuel injection apparatus Fuel injection apparatus

1981-08-19

1983-06-14

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

123586, 123587, 123531, 123472, F02B 300, F02M 2304

Patent

active

043876951

ABSTRACT:
A fuel injection apparatus for externally ignited internal combustion gas engines is proposed. The fuel injection apparatus comprises an intake pipe in which an air flow meter and a throttle valve are provided. The fuel quantity injected into the intake pipe via an injection valve is controlled by the air flow meter. To prepare the combustible mixture of injected fuel and air, a preparation air line branches off from the intake pipe between the air flow meter and the throttle valve. This preparation air line discharges into the injection valve. A throttle is provided in the preparation air line. A full-load air line discharges into the preparation air line between the throttle and injection valve. A shut-off valve is provided in the full-load air line, said shut-off valve being completely open at least during the full-load operation of the combustion engine, allowing additional air flow into the preparation air line, which air is drawn from the intake pipe upstream of the air flow meter.

REFERENCES:
patent: 3020905 (1962-02-01), Goschel
patent: 3882828 (1975-05-01), Honiden
patent: 4046121 (1977-09-01), Pierlot
patent: 4206599 (1980-06-01), Sumiyoshi

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