Method for discriminating motor/combustion pressures in an I.C.E

Details Method for discriminating motor/combustion pressures in an I.C.E Method for discriminating motor/combustion pressures in an I.C.E

1984-01-25

1985-09-03

Myracle, Jerry W.

Measuring and testing

Vehicle drive train

Rear end

731173, G01M 1500

Patent

active

045384541

ABSTRACT:
In order to determine the exact nature of the combustion process occuring within the combustion chamber of an internal combustion engine, the timing is retarded to the point where no combustion pressure is produced during the compression stroke of the piston. This allows the compilation of the pressure history of the first half of the motoring pressure wave produced by the movement of the piston, the subsequent mathematical derivation of the essentially symmetrical second half of the wave and the determination of the exact nature of the combustion pressure generation. This of course facilitates combustion process control via indicating the effects of exhaust gas recirculation, ignition timing, air fuel ratio and the like, on the combustion time, heat generation and peak combustion pressure of the combustion phenomenon.

REFERENCES:
patent: 4403505 (1983-09-01), Hattori et al.

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