SUPPLY SYSTEM OF INTERNAL COMBUSTION ENGINE ON LIQUEFIED NATURAL GAS Russian patent published in 2022 - IPC F02M21/02 F02D19/02 

FIELD: engine building.

SUBSTANCE: invention relates to the field of engine building, in particular to systems of supply with liquefied gas of an internal combustion engine. A system for supply of an internal combustion engine with liquefied natural gas (hereinafter – LNG) is proposed, including cryogenic LNG tank 1 with a block of shut-off and control valves 2 with a check valve containing valves 4, 5 of a liquefied phase and valve 6 of a vapor phase of gas, closed with a gas-tight casing with gas outlet pipes, remote filling neck 7, an electromagnetic gas valve of the liquefied phase, pressure control device 10, gas safety valve 8. Additionally, compressed natural gas (hereinafter – CNG) tank 17, gas purification filter 18, two fuel ramps for LNG 11 and CNG 20, outlet collector 13 of a steam phase, turbo expander 14, compressor 16, a line for supplying steam gas from LNG fuel ramp 11 to CNG tank 17 are introduced.

EFFECT: increase in the efficiency of the power plant, improvement of its environmental and economic indicators.

3 cl, 1 dwg