| 摘要 |
PURPOSE: A washer liquid injection system for freeze protection of a vehicle is provided to prevent non-operation of a washer liquid injection system by installing an actuator and a time controller in addition and completely injecting washer liquid remaining in a washer hose and an injection nozzle. CONSTITUTION: A washer liquid injection system for freeze protection of a vehicle comprises an actuator(11) for each controlling a washer tank(10) for storing washer liquid, air coming in through an air inflow passage(11a) from outside, and inflow of washer liquid; a driving motor(13) pumping the washer liquid stored in the washer tank and external air and supplying injection pressure, with operated by a power source supply unit(12); a time controller(15) for operating the driving motor for predetermined time after operation of a switch(14); a washer hose(16) for discharging the washer liquid and air pumped by the driving motor; and an injection nozzle(17) for injecting washer liquid. Accordingly, freeze of the washer liquid injection system is prevented.
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