FUEL PUMP FOR LIQUID PHASE LPG INJECTION AND FUEL SYSTEM THEREOF FOR LIQUID PHASE LPG INJECTION

摘要

The present invention relates to an LPG liquid injection fuel pump for compressing and pumping LPG fuel, and an LPG liquid injection fuel system for supplying LPG fuel in a fuel tank to an injector in an automobile engine room. The first line interconnecting the fuel tank and the injector so that the LPG fuel can be supplied to the injector in the engine room of the vehicle, and the pressure of the LPG fuel supplied to the injector connected to the first line in proximity to the fuel tank A fuel pump for boosting and pumping the fuel pump, and a second line separately from the first line and separately connected to the fuel tank and the injector to prevent the charging of the LPG fuel supplied to the injector through the fuel pump; A third gas is connected to the fuel tank and the inlet side of the fuel pump to feed back the LPG gas fuel generated in the fuel tank to the fuel tank Characterized in that the configuration including the. At this time, the fuel pump is preferably configured to further include an adapter connected to the third line to feed back the LPG gaseous fuel generated in the fuel chamber to the fuel tank during operation.