Dual-fuel internal combustion engine
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United States of America Patent
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Jul 16, 2019
Grant Date -
Mar 29, 2018
app pub date -
Apr 20, 2016
filing date -
Apr 21, 2015
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Abstract
A dual-fuel internal combustion engine with a device for regulating the internal combustion engine, with at least two piston-cylinders, a fuel injector assigned to the piston-cylinder units for a liquid fuel, which has an injector needle. Each piston-cylinder unit has a gas supply device for fuel, wherein the regulating device controls the fuel injector and the at least one gas supply device individually for metering of the quantity of the liquid or gaseous fuel supplied to each piston-cylinder unit. At least one needle sensor is connected to the regulating device and assigned to the respective piston-cylinder unit, which detects a characteristic signal of the needle position in the ballistic range, so that the fuel injector can be operated with individual controllability for each of the at least two piston-cylinder units for the regulation of the supplied fuel quantity in the ballistic range.
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