Fuel injection control apparatus for internal combustion engine

Details Fuel injection control apparatus for internal combustion engine Fuel injection control apparatus for internal combustion engine

1981-09-09

1983-11-08

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123488, 123492, G02D 500

Patent

active

044136021

ABSTRACT:
An internal combustion engine fuel injection control apparatus is disclosed in which a basic fuel injection signal for light load is calculated as a function of the manifold pressure when the engine is operating with a light load, and a basic fuel injection signal for heavy load is obtained with the revolution number and the throttle valve position as the parameters when the engine is operating with a heavy load. The engine load condition (light or heavy) is decided in dependence upon the throttle valve position or the manifold pressure. The circuit employed for switch-over from a heavy load to a light load or vice versa preferably has a hysteresis characteristic.

REFERENCES:
patent: 3794003 (1974-02-01), Reddy
patent: 3983851 (1976-10-01), Hoshi
patent: 4155332 (1979-05-01), Yaegashi et al.
patent: 4332226 (1982-06-01), Nomura et al.

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