Air/fuel ratio for an internal combustion engine controlled by g

Details Air/fuel ratio for an internal combustion engine controlled by g Air/fuel ratio for an internal combustion engine controlled by g

1977-01-28

1978-08-22

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119A, 123 32EJ, 261DIG74, 60276, F02B 3300, F02M 2500

Patent

active

041081226

ABSTRACT:
In a closed loop fuel management system for an internal combustion engine, a gas sensor is positioned in the intake manifold and is responsive to a characteristic of the fuel mixture for generating an electrical control signal for controlling the metering of the fuel to the mixture. In the preferred embodiment, the air and fuel are mixed together and the resultant mixture passes by an oxygen gas sensor prior to being distributed to the cylinders through the intake manifold system. The output signal of the sensor is used for controlling the metering of the fuel. Fuel delivery correction delays due to transport lag in conventional closed loop fuel management systems using oxygen gas sensors are eliminated.

REFERENCES:
patent: 1333800 (1920-03-01), Kennedy
patent: 3616274 (1971-10-01), Eddy
patent: 3815561 (1974-06-01), Beitz
patent: 3825239 (1974-07-01), Rice
patent: 3844304 (1974-10-01), Boothe
patent: 3851632 (1974-12-01), Teshirozi
patent: 3855974 (1974-12-01), Mayer

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