Hybrid cycle combustion engine and methods
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United States of America Patent
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Aug 5, 2014
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N/A
app pub date -
Feb 4, 2013
filing date -
Jan 12, 2004
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Abstract
An improved internal combustion engine of the four-stroke variable volume type operates by refraining from introducing substantial fuel into the working medium during the compression stroke until substantially maximum pressure of the working medium has been reached and utilizing at least one of the following processes: (a) causing combustion of fuel under substantially constant volume conditions; and (b) causing the power stroke to provide a larger volume to combustion products than the compression stroke provides to the working medium. Related methods are also provided.
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