Method and apparatus for active control of the combustion proces

Details Method and apparatus for active control of the combustion proces Method and apparatus for active control of the combustion proces

1997-09-12

2000-05-23

McMahon, Marguerite

Internal-combustion engines

Charge forming device

Combustible mixture ionization, ozonation, or electrolysis

F02M 2708

Patent

active

060654546

ABSTRACT:
The performance of an internal combustion engine is optimized utilizing an electrically controlled driver which is located relative to the intake port to excite the intake charge at a selected frequency, duration and power level which depends on the engine operating condition. The purpose of this excitation is to control combustion by optimizing large scale recirculation patterns of the intake charge within the combustion chamber. In particular, this device will provide the effect of optimizing volumetric efficiency at wide open throttle and minimize fuel consumption and emissions at part throttle. An electronic engine controller varies the operation of the drive device as a function of engine operating conditions. The driver excites the intake charge at a frequency of about 5 to 1000 times of the engine speed.

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