PURGE CONTROL SOLENOID VALVE CLEANING DEVICE FOR CLEANING PURGE CONTROL SOLENOID VALVE BY UTILIZING DIAGNOSIS MODULE FOR TANK LEAKAGE, FOR LEAK DETERMINATION OF EVAPORATION GAS CONTROL SYSTEM

摘要

PURPOSE: A purge control solenoid valve cleaning device is provided to secure stable operation of a purge control solenoid valve by settling a problem of instable operation of the purge control solenoid valve caused by pollutants accumulated to a filter of the purge control solenoid valve. CONSTITUTION: A purge control solenoid valve cleaning device comprises a cleaning pipe line(7) arranged to lead pneumatic pressure produced from an air pump(1) of a DMTL(Diagnosis Module for Tank Leakage) to a filter of a purge control solenoid valve(3); an exhaust pipe line(11) arranged to make the air supplied to the cleaning pipe line sent to a fuel tank(9) through the filter of the purge control solenoid valve; a valve unit arranged to control the cleaning pipe line; a cleaning pipe line check valve(13) installed to shut off a flow of gas going to the DMTL from the purge control solenoid valve; and an exhaust pipe line check valve(15) installed to shut off a flow of gas going to the purge control solenoid valve from the fuel tank.