Rotary brush device, has free extremity of radical bristles to water successively on cleaning surface based on line of contact situated between primary and secondary zones, where secondary jet waters during absence of brush

摘要

The device has a rotating brush positioned in high pressure water jet (2) by rigid joint (1) and rotating blades (5). Free extremity (9) of radical bristles (4) waters successively on a cleaning surface (8) based on a line of contact (15) situated between a primary zone (12) and a secondary zone (13). The surface is watered by a secondary jet (11) during absence of a rotating brush (3).