WINDSCREEN-WIPER BLADE, SYSTEM AND METHOD FOR WIPING A GLASS SURFACE OF A MOTOR VEHICLE

The invention relates to a wiper blade for a wiping system of a glazed surface of a motor vehicle, intended to be driven in pivoting motion by an actuating arm (3) of a wiping system (1), characterized in that it comprises at least one dedicated spray orifice (8) configured to project washing fluid (9) onto a predetermined zone (Z) of the glazed surface (2) behind which a sensor (10) is arranged, said dedicated spray orifice (8) being arranged at the level of a portion of the wiper blade (P) sweeping said predetermined zone (Z) of the glazed surface (2), and forming a density of spray orifices (5, 8) greater at the level of said portion of the wiper blade (P) than on the rest of the wiper blade (4; 41) and/or having an opening section larger than the spray orifices (5) located outside the predetermined zone (Z). The present invention also relates to a wiping system and a method of wiping a glazed surface of a motor vehicle.