Patent ID: 8808504
Filing Date: 2014-08-19
Classification: B08B,D21F

Abstract:
1. A cleaning apparatus, comprising: at least one cleaning nozzle configured to generate and direct a high-pressure liquid jet towards a point of impact on a surface to be cleaned, and a cleaning head having a main opening that faces towards the surface, a discharge opening and a wall with at least one inlet opening defined therein, wherein the at least one cleaning nozzle is mounted outside of the cleaning head and is oriented such that the high-pressure liquid jet exits the at least one cleaning nozzle outside of the cleaning head and passes through the at least one inlet opening before striking the surface, the inlet opening being dimensioned to allow the liquid jet to pass therethrough while the wall of the cleaning head surrounding the inlet opening protects the cleaning nozzle from spray resulting from the liquid jet impacting on the surface to be cleaned.