A motor vehicle windscreen wiper windscreen washer liquid distribution system including a windscreen washer liquid distribution network is disclosed. The windscreen washer liquid distribution network includes at least one hydraulic pipe including at least one windscreen washer liquid circulation passage, at least one hydraulic connector connected to the circulation passage, and at least one thermally conductive member in thermal contact with the at least one hydraulic connector and with a heating element of the distribution system.

A wiper arm arrangement with a wiper arm of a windscreen wiper system of a vehicle and an attachment element having at least one line. The attachment element can be coupled to a connecting element designed for holding a wiper blade and for connecting the wiper blade to the wiper arm. Due to the coupling, at least one corresponding line of the connecting element can be joined onto the at least one line of the attachment element. The connecting element can be fitted onto the attachment element in an installation direction which coincides at least substantially with a direction of longitudinal extent of the wiper arm. The attachment element is arranged on the wiper arm so as to be movable in the direction of longitudinal extent of the wiper arm.

A wiper including wiper bracket which couples a wiper arm to blade carrier which carries one or more blades and includes an internal flow path which conducts fluid from a wiper bracket inlet through a hollow passage in a wiper blade carrier cover to plurality of outlets aligned with passthroughs in the blade carrier through which fluid egresses from the wiper.

A wiper arm device (10a; 10b) having at least one wiper arm adapter (12a; 12b), having at least one fluidic coupling element (18a; 18b) for forming a fluidic connection with at least one wiper blade (62a; 62b), having at least one wiper arm rod (14a; 14b), having at least one fluid line (16a, 16a′; 16b, 16b′) for transporting wiper fluid along the wiper arm rod (14a; 14b) to the fluidic coupling element (18a; 18b), and having an electrical heating line (20a, 20a′; 20b) which is arranged in the fluid line (16a, 16a′; 16b, 16b′) for heating the fluid line (16a, 16a′; 16b, 16b′). The heating line (20a, 20a′; 20b) extends through the at least one fluid line (16a, 16a′; 16b, 16b′) and is deflected at the fluidic coupling element (18a; 18b) to form a return through the fluid line (16a, 16a′; 16b, 16b′).

A wiper device (10) with at least one wiper blade adapter (12), which has at least one fluidic connecting element (22), with at least one wiper arm adapter (14), with at least one covering unit (16), which is connected to the wiper arm adapter (14) such that it can be pivoted about a pivot axis (46) with respect to the wiper arm adapter (14), with at least one fluidic coupling element (24) for fluidic connection to the at least one fluidic connecting element (22), and with a mounting unit (25) for movably mounting the fluidic coupling element (24) on the at least one covering unit (16), wherein the mounting unit (25) has at least one mounting recess (54, 54′) and at least one mounting extension (52, 52′) guided in the at least one mounting recess (54, 54′), the mounting recess (54, 54′) being arranged on the fluidic coupling element (24).

A wiper arm adapter device with at least one fluid channel (44a, 46a; 44b, 46b) for conducting a fluid, and with at least one connecting unit (48a; 48b) for connecting the fluid channel (44a, 46a; 44b, 46b) to a fluid line element (36a; 36b) of a wiper arm and/or to a wiper blade adapter (30a; 30b), wherein the connecting unit (48a; 48b) has at least one connecting element (52a, 54a; 52b, 54b) which at least partially delimits the fluid channel (44a, 46a; 44b, 46b). The connecting unit (48a; 48b) has at least one valve element (56a, 58a; 56b, 58b) which is arranged on the connecting element (52a, 54a; 52b, 54b) and is configured to form the fluidic connection of the fluid channel (44a, 46a; 44b, 46b) to the wiper blade adapter (30a; 30b) in a closeable manner.

The invention is based on a windshield wiper device, in particular a wiper arm adapter device, having at least one fluid connection piece (36) which delimits at least one fluid channel (38), and having at least one adapter piece (40), wherein the adapter piece (40) and the fluid connection piece (36) are constructed to be able to be moved relative to each other and are provided to be moved relative to each other during a coupling or uncoupling operation, in particular with a wiper blade (16). It is proposed that the windshield wiper device comprise at least one coupling unit (42) which is provided to close the fluid channel (38) in accordance with a position of the adapter piece (40) relative to the fluid connection piece (36).

A wiper blade (12) is disclosed having a support connector (18) for at least one wiper rubber (14), an adapter (20) that is able to take a front-end terminal part (10) of a drive arm of the wiper blade (12) which is mounted so as to be articulated with respect to the connector (18), about an articulation axis (A), between a working position and a maintenance position, and which has a locking member (32) for locking said terminal part (10) to the adapter (20), which is mounted so as to be movable between a locking position and a retracted position releasing said terminal part (10). The wiper blade (12) has a member (68, 38) for immobilizing the locking member (32) in the locking position when the adapter (20) is in the working position, and for releasing the locking member (32) when the adapter (20) is in the maintenance position.

The invention relates to a wiper blade device, in particular a windscreen wiper blade device, comprising: at least one wiper blade (10); at least one adapter unit (12) for coupling the wiper blade (10) to a wiper arm (14) of a wiper (16), in particular a windscreen wiper; at least one spraying unit (18) integrated in the wiper blade (10); and at least one washing water distributor unit (20) for supplying washing water to the spraying unit (18), in particular to nozzle elements (22) of the spraying unit (18) which are arranged substantially parallel to a main extension direction (54) of the wiper blade (10) along the wiper blade (10), wherein the washing water distributor unit (20) has at least one channel coupling element (24) for coupling at least one portion of the washing water distributor unit (20) to a washing water channel (26) of the spraying unit (18), the coupling being provided in particular for passage of a fluid and being preferably fluid-tight, and wherein the washing water distributor unit (20) has at least one adapter coupling element (28) for coupling at least one additional portion of the washing water distributor unit (20) to an additional washing water channel (30) of the adapter unit (12), the coupling being provided in particular for passage of a fluid and being preferably fluid-tight. According to the invention, the additional washing water channel (30) is formed at least in part by the adapter unit (12).

The invention relates to a wiper device (10) comprising a wiper blade adapter (12) having at least one first wiper blade adapter element (14) and at least one second wiper blade adapter element (16), which is connected to the first wiper blade adapter element (14) in at least one assembled state, and is provided for connecting to at least one wiper arm adapter (18), and comprising a spraying unit (20). According to the invention, in the assembled state, the spraying unit (20) is arranged at least partially between the first wiper blade adapter element (14) and the second wiper blade adapter element (16).