Apparatus and method for reducing the temperature of a pressure vessel by means of latent heat from liquefied petroleum gas (LPG) evaporation

摘要

A device for reducing the temperature of a pressure vessel (110) storing liquefied petroleum gas (LPG) fuel and connected to a fuel supply line (112) for supplying the fuel to an injection nozzle (101) by means of latent heat of LPG evaporation, said device comprising A fuel pump (111) installed in the pressure vessel (110) and connected to one end of the fuel supply line (112) for pressurizing the fuel, a check valve (116) in the fuel supply line (112) for selectively switching off the fuel supply to the Injector (101) is installed, a fuel collecting line (105) branched from the fuel supply line (112) to the inside of the pressure vessel (110) for collecting the supplied fuel in the pressure vessel (110) when the shut-off valve (116) is closed is, and a spray nozzle (115) which is connected to the fuel supply line (112) and the ü Injected fuel via the fuel rail (105) into the inside of the pressure vessel (110).