Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1975-04-30
1977-02-01
Lazarus, Ronald H.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
60276, 60278, 204195S, 123124R, F02M 2500
Patent
active
040056899
ABSTRACT:
In a fuel injection system for an internal combustion engine, a gas sensor is positioned in the intake manifold and is responsive to a characteristic of the air mixture entering the intake manifold to generate electrical control signals for controlling the injecting of the fuel to the engine. In the preferred embodiment, the air and the recirculated exhaust gas (EGR) are mixed together in a throttle body and the resultant mixture passes by the gas sensor prior to being distributed throughout the manifold system. The output signal of the sensor is used in controlling the injection time of the fuel injectors. Fuel delivery correction delays due to transport lag in conventional closed loop fuel injection systems using oxygen gas sensors placed in the exhaust system are greatly minimized.
REFERENCES:
patent: 3616274 (1971-10-01), Eddy
patent: 3759232 (1973-09-01), Wahl
patent: 3885540 (1975-05-01), Stadler
Lazarus Ronald H.
The Bendix Corporation
Wells Russel C.
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