GAS CHARGING SYSTEM WITH A RESIDUAL GAS COMPRESSOR AND A RESIDUE GAS COMPRESSION METHOD

摘要

PURPOSE: A gas charging system with a residual gas compressor and a residue gas compression method are provided to reduce distribution costs and optimize charging efficiency by controlling residue gas remaining in a tube trailer.;CONSTITUTION: A gas charging system with a residual gas compressor comprises a tube trailer(110), a battery charger(120), a gas service pipe(160), an oil tank(140), an oil guide tube and an oil collection pipe(180). The tube trailer comprises a high pressure gas cylinder including a tube for injecting and exhausting oil and CNG. The battery charger comprises a charge gun for charging CNG to vehicles. The gas service pipe interlinks a gas gateway and the battery charger. The oil tank stores oil for compressing residue gas. The oil guide tube is connected between the oil tank and an oil inlet. The oil collection pipe is connected between the oil inlet and the oil tank.;COPYRIGHT KIPO 2011