Fuel combustion system, method, and nozzle member therefor

Details Fuel combustion system, method, and nozzle member therefor Fuel combustion system, method, and nozzle member therefor

1990-02-06

1991-06-18

Argenbright, Tony M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having volumetric relation between precombustion and main...

123283, 123293, F02B 1918

Patent

active

050241931

ABSTRACT:
This invention relates to a fuel combustion system for a lean burn internal combustion engine. Because of the lean fuel/air ratio, it is difficult to consistently achieve complete and thorough combustion within the main combustion chamber because of the relatively slow rate of flame propagation. The subject fuel combustion system includes a precombustion chamber assembly defining a prechamber having a preselected shape and volume and includes a plurality of ejection passages. The passages are of a preselected geometric cross-section for directing and controllably expanding burning gases from the prechamber into the main combustion chamber at a velocity greater than the speed of sound in order to penetrate and cause igniting and burning in the main combustion chamber for faster and more complete combustion.

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