Internal Combustion Engine With Optimal Bore-To-Stroke Ratio
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United States of America Patent
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app pub date -
Nov 23, 2009
filing date -
Nov 23, 2008
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Abstract
An internal combustion engine. The engine includes at least one cylinder having a bore diameter, a piston for traveling within each cylinder between a first position and a second position, wherein the distance between the first position and the second position defines a stroke length, and thermal barriers on the surfaces of the combustion chamber near top dead center. In one embodiment, the engine utilizes asymmetric effective compression and expansion strokes. To maximize efficiency of the engine, a ratio of the bore diameter to stroke length of the internal combustion engine comprises a range between 0.5 to 1.0.
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