Fuel supplying device for internal combustion engine

Details Fuel supplying device for internal combustion engine Fuel supplying device for internal combustion engine

1979-07-11

1982-07-13

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123458, 123461, 251205, F02D 302

Patent

active

043389023

ABSTRACT:
A fuel supplying device for an internal combustion engine having a fuel supply passage (4) for introducing fuel fed from a fuel pump (2) at a substantially constant pressure to a fuel injector (9) operative at a predetermined constant pressure. The fuel injector is installed at a congregated portion (7) of engine intake manifolds (8). A metering valve (11) includes a motor (13) so that drop is maintained substantially constant by a differential regulator (12). The metering valve is disposed in an intermediate portion of the fuel supply passage. Calculating means (15) including a servo signal generator (18) calculates an injection flow amount causing a predetermined air/fuel ratio on the basis of signals of various engine running factors. An operational signal output from the servo signal generating circuit of the calculating means is applied to the drive motor means for driving said metering valve to thereby inject fuel into the intake manifolds.

REFERENCES:
patent: 3745420 (1973-07-01), Hafner
patent: 3796197 (1974-03-01), Locher
patent: 3796199 (1974-03-01), Knapp
patent: 3957930 (1976-05-01), Birmingham
patent: 4003350 (1977-01-01), Eisele
patent: 4132195 (1979-02-01), Bianchi
patent: 4195814 (1980-04-01), Kimata

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