The disclosed technology provides solutions for improving window wiper systems and in particular, for improving wiper systems used on autonomous vehicles (AVs). Aspects of the disclosed technology include a widow wiper system that includes a motor comprising a shaft, a wiper arm coupled to a distal end of the shaft, and a wiper guide disposed around the distal end of the shaft, wherein the wiper guide comprises a guidance track that is configured to accommodate a protrusion of the wiper arm through a side surface of the wiper guide. Autonomous vehicle systems and methods of manufacture are also provided.

Example embodiments relate to wiper devices for cleaning sensor housings. An example embodiment includes a wiper device for cleaning a surface of a rotatable sensor housing. The wiper device may have a driving arm having a first end and a second end. The first end of the driving arm is connected to a rotatable shaft. The wiper device may also have a wiper arm pivotally connected to the second end of the driving arm. The pivotal connection is located between a front region and a rear region of the wiper arm. Further, the wiper device may have a wiper blade coupled to the front region of the wiper arm. The wiper blade may be configured to wipe the surface of the rotatable sensor housing. Additionally, the wiper device may have a counterweight coupled to the rear region of the wiper arm.

Disclosed is a windscreen wiper device for a vehicle, in particular a motor vehicle, comprising a fastening element fastened to a drive shaft. The windscreen wiper device comprises a wiper blade having an elongated upper part which is designed at least partially flexibly, an elongated lower part which is designed at least partially flexibly, and a plurality of connecting elements for connecting the upper part and the lower part, wherein the connecting elements are spaced apart from each other along a longitudinal extension of the wiper blade, and wherein the connecting elements are configured to enable a movement of the upper part and lower part relative to each other with a movement component along a longitudinal extension of the wiper blade. The windscreen wiper device further comprises a fastening part on the wiper blade side, wherein the fastening part on the wiper blade side can be connected to the fastening element in a detachable manner, and a coupling device, wherein the fastening part on the wiper blade side and the fastening element can be connected for conjoint rotation via the coupling device until a defined torque value is exceeded.

A windshield wiper assembly for a dual sweep angle and indexable wiper system is provided. The system includes a wiper motor and a wiper arm for sweeping a surface of a windshield coupled to a first eccentric, the first eccentric comprising a primary eccentric and an indexable eccentric plate, wherein the indexable eccentric plate determines an eccentric offset of the wiper arm coupled to the first eccentric. The system further includes an output wiper shaft coupled to the wiper arm, a second eccentric coupled to a cam shaft, and a link coupled to the first eccentric and the second eccentric, the link having a first effective link arm length between the first eccentric and the second eccentric for driving the first eccentric to operate the wiper arm when operated in a first direction.

A windshield wiper assembly for a dual sweep angle and indexable wiper system is provided. The system includes a wiper motor and a wiper arm for sweeping a surface of a windshield coupled to a first eccentric, the first eccentric comprising a primary eccentric and an indexable eccentric plate, wherein the indexable eccentric plate determines an eccentric offset of the wiper arm coupled to the first eccentric. The system further includes an output wiper shaft coupled to the wiper arm, a second eccentric coupled to a cam shaft, and a link coupled to the first eccentric and the second eccentric, the link having a first effective link arm length between the first eccentric and the second eccentric for driving the first eccentric to operate the wiper arm when operated in a first direction.

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.

The present invention relates to a window-wiping device (100) for a vehicle, comprising a wiper blade (2) having an elongate upper part (10) and an elongate lower part (12), which are designed to be at least partially flexible. Also provided is a plurality of connecting elements (18) for connecting the upper part (10) and the lower part (12), the connecting elements (18) being spaced apart along a longitudinal extent (8) of the wiper blade (2) and being attached to the upper part (10) and/or the lower part (12) by a rotary joint, and the connecting elements (18) being designed to allow a motion of the upper part (10) and the lower part relative to each other with a motion component along the longitudinal extent (8) of the wiper blade (2). The window-wiping device also has a wiper-blade-side fastening part (30), which is accommodated in the wiper blade head (70), and a fastening element (50), which can be attached to the drive shaft (33) and into which the wiper-blade-side fastening part (30) can be locked and which has an actuating device (21), which is designed to release the wiper-blade-side fastening part (30) from the fastening element (50) as a result of an actuation, wherein the actuating device (21) has a blocking element (22), which is designed to block actuation of the actuating device (21).

The invention relates to a windscreen wiper device for a vehicle, comprising a wiper blade (2) having an elongate upper part (10) and an elongate lower part (12) which are at least partially flexible. Also provided are multiple connecting elements (18) for connecting the upper part (10) and the lower part (12), the connecting elements being mutually spaced along a longitudinal extent (8) of the wiper blade (2) and being attached to the upper part (10) and/or the lower part (12) by a rotary joint, and the connecting elements (18) being designed to allow a movement of the upper part (10) and the lower part relative to each another with a movement component along a longitudinal extent (8) of the wiper blade (2). The wiper blade (2) has a fastening arrangement (32) which is designed to be fitted into a hollow shaft (40) of a drive unit and to be connected thereto so to transmit a torque from the drive unit via the hollow shaft (40) and the fastening arrangement (32) to the wiper blade (2).

The invention relates to a wiper motor (10) with a shaft (30) for driving a wiper arm (1), wherein the shaft (30) projects through an opening (31) of a housing (15) and in the region of the opening (31) is mounted radially in a bore (55) of at least one substantially sleeve-shaped element (40), and wherein the sleeve-shaped element (40) is fixed at least axially in the region of the housing (15). According to the invention, it is provided that the sleeve-shaped element (40) has at least two different cross-sections (41, 42), a first cross-section (41) which is designed to protrude axially through the opening (31) and a second cross-section (42) which is designed to be accommodated in an axially fixed manner within said opening (31).

A wiper system 1 has a wiper blade 5 for performing a reciprocating wiping operation on a windshield glass 6 and a brushless motor 2 for causing the wiper blade 5 to perform the reciprocating wiping operation. The motor used as the brushless motor 2 is provided with a rotary shaft for reciprocating the wiper blade 5, has a degree of operation freedom in three axial directions, and is rotatable about axes of two directions orthogonal to the rotary shaft. The wiper blade 5 operates at error angles different in direction between during a forward-path wiping operation and during a return-path wiping operation. When the wiper blade 5 reaches a reversing position, the brushless motor 2 is made to rotate about an axis extending in a extending direction of the wiper blade 5 to change the error angle .