Engine control system

Details Engine control system Engine control system

1986-11-05

1988-09-27

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123488, 123494, F02P 515, F02D 4102

Patent

active

047733730

ABSTRACT:
An engine control system which controls ignition timing for, and fuel supply to, an engine by scanning a map by using as parameters a first item of data representing the number of revolutions of the engine and a second item of data representing engine load. The engine control system includes filter means for providing a third item of data by suppressing the rate of change of the second item of data. The third item of data is used in place of the second item of data for scanning the map only when the engine is in a predetermined range of operating conditions in which the rate of change of a manipulated variable of a throttle valve, the number of revolutions of the engine and the rate of change of the engine load are all less than respective predetermined values.

REFERENCES:
patent: 4201161 (1980-05-01), Sasayama et al.
patent: 4214306 (1980-07-01), Kobayashi
patent: 4284045 (1981-08-01), Maier
patent: 4498438 (1985-02-01), Sato
patent: 4548180 (1985-10-01), Yamato
patent: 4550705 (1985-11-01), Nagano et al.
patent: 4637362 (1987-01-01), Yasuoka et al.

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