Four-stroke internal combustion engine with spark ignition

Measuring and testing – Test stand – For engine

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123307, 123661, F02B 304

Patent

active

060475927

ABSTRACT:
In order to optimize combustion in a four-stroke spark-ignition engine with direct fuel injection, the conditions of charge flow are improved by providing the top surface of each piston with two longitudinal guiding ribs located at a distance from each other and a cross-guiding rib running transversely thereto, thus providing an H-shaped configuration.

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SAE Paper No. 940188 by Lawrence W. Evers, "Characterization of the Transient Spary from a High Pressure Swirl Injector.".

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