Engine operating parameter control apparatus

Details Engine operating parameter control apparatus Engine operating parameter control apparatus

1985-02-20

1986-09-23

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

60602, 123435, F02P 515

Patent

active

046129006

ABSTRACT:
A control apparatus for an internal combustion engine in which the condition of the operating parameters of the engine is changed over according to the detected result of the occurrence of knocks only when the engine lies in a predetermined operating region. The operating parameters include an ignition timing, a supercharging pressure, a compression ratio, and an air/fuel ratio. The knocks of the engine are integrated and compared with a threshold level to determine which of premium or regular gasoline is being used. In this determination, if the operating region lies in said predetermined operating region, the condition of the operating parameters is changed over. The predetermined operating region is defined by a load information and a speed information of the engine.

REFERENCES:
patent: 3822583 (1974-07-01), Keller et al.
patent: 4387571 (1983-06-01), Katsumata et al.
patent: 4450810 (1984-05-01), Wada et al.
patent: 4463565 (1984-08-01), Rydquist et al.
patent: 4466406 (1984-08-01), Hartung et al.

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