A geared motor (1) for a motor-vehicle wiping system including an electric motor (2) is disclosed. The geared motor has a rotor (20) including magnetic elements, a stator (21) having the electromagnetic excitation windings, a rotary shaft (22) rigidly connected to the rotor, a reduction gear (3) linking the rotary shaft (22) and an output shaft of the geared motor, and a casing (4) forming a protective envelope for said reduction gear or the electric motor (2). The reduction gear (3) includes a worm screw and worm wheel gear, the worm screw (30) being rigidly connected to the rotary shaft of the rotor (22), the worm wheel (31) rigidly connected to an output shaft (8) of the geared motor, bearing means (23, 24) for guiding the rotary shaft of the rotor (22) in rotation in relation to the casing (4), and a determination device for determining the angular position of the rotor including a multi-pole magnet (5) that is rigidly connected to the rotary shaft (22) of the rotor (20).

A geared motor (1) for a motor-vehicle wiping system including an electric motor (2) is disclosed. The geared motor has a rotor (20) including magnetic elements, a stator (21) having the electromagnetic excitation windings, a rotary shaft (22) rigidly connected to the rotor, a reduction gear (3) linking the rotary shaft (22) and an output shaft of the geared motor, and a casing (4) forming a protective envelope for said reduction gear or the electric motor (2). The reduction gear (3) includes a worm screw and worm wheel gear, the worm screw (30) being rigidly connected to the rotary shaft of the rotor (22), the worm wheel (31) rigidly connected to an output shaft (8) of the geared motor, bearing means (23, 24) for guiding the rotary shaft of the rotor (22) in rotation in relation to the casing (4), and a determination device for determining the angular position of the rotor including a multi-pole magnet (5) that is rigidly connected to the rotary shaft (22) of the rotor (20).

A windshield wiper system (WWS) is provided and includes a wiper blade assembly drivable along a first sweep angle, an internal wiper trigger disposed to move with the wiper blade assembly, a measurement system configured to monitor a position of the internal wiper trigger from which a corresponding position of the wiper blade assembly relative to the first sweep angle is measurable and to output a sweep angle feedback signal corresponding to monitoring results and a controller. The controller is receptive of the sweep angle feedback signal.

A windshield wiper system (WWS) is provided and includes a wiper blade assembly drivable along a first sweep angle, an internal wiper trigger disposed to move with the wiper blade assembly, a measurement system configured to monitor a position of the internal wiper trigger from which a corresponding position of the wiper blade assembly relative to the first sweep angle is measurable and to output a sweep angle feedback signal corresponding to monitoring results and a controller. The controller is receptive of the sweep angle feedback signal.

Provided is a sensor cleaning device. The sensor cleaning device is configured to clean a sensor mounted on a vehicle. The sensor cleaning device includes a housing having an opening, a protection member movably disposed with respect to the opening, and a cleaning member mounted around the opening and disposed in close contact with the protection member. Also provided is a method of controlling a sensor cleaning device. The method is performed by a controller configured to control an operation of a motor and a nozzle of the sensor cleaning device. The method includes 1) detecting a first contamination of a protection member configured to protect an environmental sensor and disposed to be movable by the motor; 2) spraying a washer fluid to the protection member; 3) and driving the motor so that the protection member is wiped by a cleaning member disposed in contact with the protection member.

Provided is a sensor cleaning device. The sensor cleaning device is configured to clean a sensor mounted on a vehicle. The sensor cleaning device includes a housing having an opening, a protection member movably disposed with respect to the opening, and a cleaning member mounted around the opening and disposed in close contact with the protection member. Also provided is a method of controlling a sensor cleaning device. The method is performed by a controller configured to control an operation of a motor and a nozzle of the sensor cleaning device. The method includes 1) detecting a first contamination of a protection member configured to protect an environmental sensor and disposed to be movable by the motor; 2) spraying a washer fluid to the protection member; 3) and driving the motor so that the protection member is wiped by a cleaning member disposed in contact with the protection member.

The apparatus for cleaning a surface comprises a housing for accommodating an object whose surface is to be cleaned, a wiper driving actuator adjacent the surface to be cleaned, the wiper driving actuator comprising an at least partially closed loop adapted to rotate about a longitudinal axis of the housing, and at least one wiper assembly operable by the wiper driving actuator to move along the at least partially closed loop and having a first end that is attached to the wiper driving actuator, the wiper assembly being movably mounted in the housing such that, in use, a constant distance is kept between the wiper assembly and the surface to be cleaned.

A windshield wiper system (3, 3) for wiping a windshield (2) of a vehicle (1) includes a wiper (4) mounted on a movable support element, a guiding device for guiding the support element along a predefined trajectory and a motor mounted on the support element and arranged for providing traction power to move the support element along the predefined trajectory. The wiper system is arranged to move the wiper (4), relative to the windshield, with a translation movement between first and second positions, and with a rotation movement around a rotation axis perpendicular to the windshield between the second position and a third position.

A windshield wiper system (3, 3) for wiping a windshield (2) of a vehicle (1) includes a wiper (4) mounted on a movable support element, a guiding device for guiding the support element along a predefined trajectory and a motor mounted on the support element and arranged for providing traction power to move the support element along the predefined trajectory. The wiper system is arranged to move the wiper (4), relative to the windshield, with a translation movement between first and second positions, and with a rotation movement around a rotation axis perpendicular to the windshield between the second position and a third position.

Disclosed embodiments relate to a windscreen wiper drive of a windscreen wiper device of a rail vehicle. The drive includes at least one electric motor, a gear, the input shaft of which being connected to an output shaft of the electric motor, wherein an output shaft of the gear is provided for driving at least one windscreen wiper arm of a windscreen wiper, which arm swings back and forth with the output shaft, a rotation angle sensor unit, which detects a rotation of at least one element of the windscreen wiper drive, and a mechanical rotation angle limitation, which mechanically limits a rotational movement of at least one element of the windscreen wiper drive. The electric motor is formed by a disc motor and the gear is formed by a planetary gear.