Control arrangement for internal combustion engine

Details Control arrangement for internal combustion engine Control arrangement for internal combustion engine

1984-01-25

1985-12-03

Dolinar, Andrew M.

Internal-combustion engines

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

123435, 73116, F02D 3702

Patent

active

045560307

ABSTRACT:
The present invention features a control system for controlling the combustion process occurring in the combustion chamber of an internal combustion engine, wherein the exact nature of the combustion pressure generation wave form occurring during a compression and subsequent expansion stroke is determined via determining the nature of the motoring pressure wave during the same compression and expansion strokes and discriminating this form from the actual sensed pressure generation characteristics. The system further permits the effect of various operational parameters such as exhaust gas recirculation, ignition timing, air fuel ratio and the like on the combustion process and therefore on the torque output, fuel consumption and noxious emission levels of the engine, to be predicted and compared with predetermined schedules in order to determine the degree to which adjustment of one or more of the above mentioned operational parameters is necessary to bring the engine performance characteristics into agreement with predetermined requirements.

REFERENCES:
patent: 3625054 (1971-12-01), Vesper et al.
patent: 4190027 (1980-02-01), Inui et al.
patent: 4216750 (1980-08-01), Kobayashi
patent: 4314534 (1982-02-01), Nakajima et al.
patent: 4466408 (1984-08-01), Cheklich

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