20110048470 | Spray Assembly for Spraying Foam and Liquid for Cleaning a Surface and Also a Cleaning Installation and Method - A spray assembly for spraying foam and liquid for cleaning a surface includes an inlet for letting fluid into the spray assembly, a rotation member which is arranged to be rotatable about a rotational axis with respect to the inlet, at least one outlet connected to the rotation member having a spray orifice located at a distance with respect to the rotational axis for releasing the fluid let into the spray assembly, wherein the spray orifice defines a radial line, the radial line extending through the spray orifice and perpendicular to the rotational axis, and in operation the resultant of the reaction force generated by the released fluid on the outlet is directed at an angle with respect to a plane extending through the radial line and perpendicular to the rotational axis for rotating the rotation member, wherein the spray assembly comprises an outlet-adjusting component for adjusting the outlet with respect to the rotation member in the plane extending through the radial line and perpendicular to the rotational axis. | 03-03-2011 |