Heatable washer system for vehicle windscreen has spray nozzle supplied by pressure valve and connected to water pump to convey water from reservoir containing heater for nozzle

摘要

The system (10) has at least one spray nozzle (16), which is supplied with water for washing by a pressure valve and whose casing is connected by a water line (14) to a water pump (20). The pump conveys water from a reservoir (12) containing a heater (18) to the spray nozzle. The water line has two channels (26,28), one of which is connected to the pressure side of the pump and the other of which is connected to the reservoir.