Method and apparatus for controlling an internal combustion engi

Details Method and apparatus for controlling an internal combustion engi Method and apparatus for controlling an internal combustion engi

1982-01-21

1984-09-11

Dolinar, Andrew M.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123198D, 123333, 123335, 123480, 123481, 60605, 36443104, F02D 2300

Patent

active

044703902

ABSTRACT:
Supercharging pressure produced by a supercharger driven by the exhaust gasses is detected so that frequency of combustion in an internal combustion engine is reduced to lower the engine output power. In order to reduce the frequency of combustion, the number of times of fuel injection may be thinned out or fuel injection into one or some of the cylinders of the engine may be stopped for a given period of time. Alternatively, the frequency of ignition may be reduced or ignition in one or some of the cylinders may be stopped for a given period of time. The control of fuel injection and the control of ignition may be combined. A microcomputer may be used to perform the method according to the present invention where the microprocessor thereof is arranged to execute a main routine and an interrupt service routine. In the main routine, data related to the supercharging pressure is stored in a memory, and the interrupt service routine, fuel injection and/or ignition is performed. The prestored data is read out in the interrupt service routine to control fuel injection and/or ignition when supercharging pressure is above a given value.

REFERENCES:
patent: 3756205 (1973-09-01), Frost
patent: 4044560 (1977-08-01), Dorsch et al.
patent: 4354239 (1982-10-01), Kanegae
patent: 4375207 (1983-03-01), Sieber et al.

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