APPARATUS AND METHOD OF IMPROVING VOLUMETRIC EFFICIENCY IN AN INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Dec 30, 2015
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Jul 5, 2013
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Volumetric efficiency is reduced in a premixed gaseous fuel engine compared to a premixed liquid fuel engine. An improved method for operating an internal combustion engine and improving volumetric efficiency comprises storing a gaseous fuel in a liquid state; determining a load on the internal combustion engine as a function of engine operating conditions; determining a target temperature for the gaseous fuel that reduces the likelihood of pre-ignition and knock as a function of the load; and controlling the amount of heat transferred to the gaseous fuel to convert it to one of a gas state and a supercritical state, such that the gaseous fuel is introduced into the internal combustion engine at the target temperature.
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