Engine control system

Details Engine control system Engine control system

1988-03-25

1989-02-14

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123412, 123486, F02D 4130, F02D 4300

Patent

active

048039667

ABSTRACT:
The invention is directed to an engine control system wherein fuel injection and ignition is dependent upon elevation. In this system, the elevation is detected via the maximum charge signal in the full-load operation of the engine. For this purpose, characteristic curves for the maximum fuel quantity corresponding to various elevation values are stored. A limitation of the maximum charging signal is carried out in the specific speed range in dependence upon the detection elevation in order to prevent overenriching by means of pulsations. Furthermore, a correction ignition angle adapted to the particular elevation and a corrosion factor for the injection time are effective which makes possible a full-load adaption of the motor at the elevation.

REFERENCES:
patent: 4572142 (1986-02-01), Arnold et al.
patent: 4582031 (1986-04-01), Janetzke et al.
patent: 4590563 (1986-05-01), Matsumura et al.

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