Multi-cylinder engine control method and electronic control appa

Details Multi-cylinder engine control method and electronic control appa Multi-cylinder engine control method and electronic control appa

1989-10-12

1991-12-03

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

731173, 123425, 123435, 123436, F02D 4104, F02P 515

Patent

active

050691830

ABSTRACT:
In a multi-cylinder engine control method and a control apparatus therefor, rotating speeds of the multi-cylinder engine at explosion strokes of the respective cylinders are detected for estimating combustion pressures in the respective cylinders, and deviations of the combustion pressures in the cylinders are derived from the estimated combustion pressures in the respective cylinders, so that ignition timings or fuel amounts supplied to the respective cylinders are regulated in response to the derived deviations of the combustion pressures.

REFERENCES:
patent: 4495920 (1985-01-01), Matsumura et al.
patent: 4697561 (1987-10-01), Citron

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