The invention relates to a device (3) for protecting an optical sensor (13) for a motor vehicle. According to the invention, the protection device (3) comprises: a housing (4) which is mounted in such a way that it rotates about a rotational axis (A1) and has a receiving element (19) designed to receive the optical sensor (13) such that the optical axis (15) of the optical sensor (13) merges with the rotational axis (A1), a transparent optical element (9) constrained to rotate with the housing (4) and designed to be arranged in front of the housing (4) facing the road and such that it is centred in relation to the optical sensor (13), and an actuator (5) for rotating the housing (4), so as to clean said optical element (9) by means of a centrifugal effect. The invention also relates to a driving assistance system (1) corresponding in this way to a cleaning method implementing such a protection device (3).

Windscreen wiper device for windscreens with variable curvature, comprising a secondary shaft rotating about its secondary axis between starting and final secondary positions, and a primary shaft on which the wiper blade arm is mounted rotating in an alternating manner about its own primary axis between starting and final primary positions. The primary shaft is mounted in the secondary shaft, such that their corresponding axes form a first acute angle () with respect to one another. The device further comprises a delay device kinematically connecting the driving means with the secondary shaft to cause rotation in the secondary shaft such that when the primary shaft has performed 50% of the rotation between the starting primary position and the final primary position, the secondary shaft has performed between 0% and 30% of the rotation between the starting secondary position and said final secondary position.

Windscreen wiper device for windscreens with variable curvature, comprising a secondary shaft rotating about its secondary axis between starting and final secondary positions, and a primary shaft on which the wiper blade arm is mounted rotating in an alternating manner about its own primary axis between starting and final primary positions. The primary shaft is mounted in the secondary shaft, such that their corresponding axes form a first acute angle () with respect to one another. The device further comprises a delay device kinematically connecting the driving means with the secondary shaft to cause rotation in the secondary shaft such that when the primary shaft has performed 50% of the rotation between the starting primary position and the final primary position, the secondary shaft has performed between 0% and 30% of the rotation between the starting secondary position and said final secondary position.

A wiping system for a motor vehicle having a blade configured to move in linear translation over a window and in a direction parallel to two opposite sides of this window, is disclosed. The wiping system also includes a first rail and a second rail which are arranged at the sides of the window, the rails having a curvature to espouse the shape of the window and for housing a first runner and a second runner which are respectively connected to first and second ends of the blade, and a first drive motor and a second drive motor arranged respectively at the first rail and at the second rail to drive the first and second runner via a first coupling mechanism and second coupling mechanism, the first and second drive motors being operated by a control unit configured to synchronize movements of the first and second runners.

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 control section is configured to perform rotation control of a wiper motor that causes a wiper blade to perform a wiping operation over a windshield, and a test unit is capable of communicating with the control section at a characteristic communication speed of the control section, and employs a specific communication with the control section at the characteristic communication speed to enable testing of the control section and the wiper motor by communication at a test communication speed of not less than the characteristic communication speed.

A control section is configured to perform rotation control of a wiper motor that causes a wiper blade to perform a wiping operation over a windshield, and a test unit is capable of communicating with the control section at a characteristic communication speed of the control section, and employs a specific communication with the control section at the characteristic communication speed to enable testing of the control section and the wiper motor by communication at a test communication speed of not less than the characteristic communication speed.

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.