Engine charge forming apparatus

Details Engine charge forming apparatus Engine charge forming apparatus

1979-03-07

1981-09-01

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123463, 123455, 123462, 261 51, 13762517, F02M 3900, F02M 6904

Patent

active

042865620

ABSTRACT:
An engine charge forming device controls the fuel metering orifice area in proportion to the throttled air flow area of the induction passage and controls the pressure drop across the fuel metering orifice in proportion to a vacuum signal which is substantially independent of the compressibility effects of throttled air flow; fuel flow is thereby proportioned to air flow throughout the range of engine operating conditions. Adjustments are provided for varying the fuel metering orifice area to set minimum and maximum fuel flows, and controls are provided for modifying the vacuum signal to vary air-fuel ratio.

REFERENCES:
patent: 2390658 (1945-12-01), Mock
patent: 2402350 (1946-06-01), Silver
patent: 2426153 (1942-08-01), Mock
patent: 2426740 (1947-09-01), Mock
patent: 2447265 (1948-08-01), Beardsley
patent: 3659628 (1972-05-01), Bosch
patent: 3680535 (1972-08-01), Eckert
patent: 3776208 (1973-12-01), Stumpp
patent: 3807710 (1974-04-01), Bergamini
patent: 3824983 (1974-07-01), Sciabica
patent: 4068637 (1978-01-01), Takamiya
Automotive Engineering, Aug. 1973, pp. 38-41, FIGS. 3-6 and 11.

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