Fuel-injection unit for windscreen washer system of motor vehicle, has nozzle body with nozzle chamber and feed for feeding fluid to nozzle chamber, where passage of liquid is blocked at nozzle chamber by reaction unit

摘要

The injection unit (1) has a nozzle body (10) with a nozzle chamber (15) and a feed (16) for feeding fluid to the nozzle chamber, where passage of the liquid is blocked at the nozzle chamber by a reaction unit (25). The nozzle chamber accommodates an insertion body (20) with a labyrinth guide for the fluid. The reaction unit is designed as a membrane. The insertion body has a passage opening for the labyrinth guide in an area of the reaction unit.