Abstract: Disclosed is a cost-effective and long-living redox flow cell using less corrosive redox-active components. The redox flow cell comprises a reaction cell having two electrode chambers for catholyte and anolyte, which are each connected to at least one store for liquid and are separated by an ion-conducting membrane, and which are equipped with electrodes, wherein the electrode chambers are each filled with electrolyte solutions comprising redox-active components dissolved or dispersed in an electrolyte solvent, as well as optionally conducting salts dissolved therein and optionally further additives.

Abstract: The redox flow cell comprises a reaction cell having two electrode chambers for catholyte and anolyte, which are each connected to at least one store for liquid and are separated by an ion-conducting membrane, and which are equipped with electrodes, wherein the electrode chambers are each filled with electrolyte solutions comprising redox-active components dissolved or dispersed in an electrolyte solvent, as well as optionally conducting salts dissolved therein and optionally further additives.

Abstract: The invention relates to an electric motor (24) designed for driving a vehicle (10) which can be moved by a person, particularly a pram (11), walker or the like, having a rotor (52), which comprises at least one holder (80) for a wheel (14, 16), and a stator (54) which can be connected through a housing (38) to a load-bearing structure (12) of the vehicle (10). According to the invention, the housing (38) has a status display (84) on which parameters, particularly power parameters, of the electric motor (24) can be displayed so as to be visible from the outside.

Abstract: The invention relates to a transport device (100), more particularly a pram (102), having at least three wheels (116, 118, 120) for moving on a surface (180, 182) and having a handle (110) for a user, wherein at least one wheel of the at least three wheels is designed as a drive wheel (122, 124, 126), which can be driven under electromotive power by means of an associated electrical drive unit (140, 142, 144), in order to permit an at least partial electromotive support to the manual pushing or pulling operation of the transport device by the user on the surface, wherein the transport device is provided with at least one acceleration sensor (172, 174) and a predefined braking torque (?Fmot) can be applied periodically to the transport device in pushing or pulling operation by means of the electrical drive unit and wherein a control device (170) assigned to the at least one acceleration sensor is designed to analyse the acceleration values (ax) from the at least one acceleration sensor to detect a presence or

Abstract: The redox flow cell comprises a reaction cell having two electrode chambers for catholyte and anolyte, which are each connected to at least one store for liquid and are separated by an ion-conducting membrane, and which are equipped with electrodes, wherein the electrode chambers are each filled with electrolyte solutions comprising redox-active components dissolved or dispersed in an electrolyte solvent, as well as optionally conducting salts dissolved therein and optionally further additives.

Abstract: The invention relates to an actuator (13) for actuating a piston (17) of a hydraulic clutch actuator and how said el actuator (13) can be used in a hydraulic system of an electrically actuatable clutch system for a motor vehicle. An electric motor (11) drives an actuating disc (55). A slotted guide structure (31) is arranged on the actuating disc (55). The slotted guide structure (31) forms a contact surface (33), the radius (r) of which increases in relation to an axis (65) from a minimum radius point (35) to a maximum radius point (37). An actuating rod (41) is engaged with a piston (17) of the clutch actuator and is supported on the first slotted guide structure (31) and guided in such a way that, with one rotation of the actuating disc (55), a pressure is exerted on the actuating rod (41) by the first slotted guide structure (31).

Abstract: Plug element with at least one body part (21, 31, 32, 33) comprising a shape-memory-alloy material (14) and connectable with at least one carrier element (2, 3) in such a way that the body part (21, 31, 32, 33) is at least radially in contact to the carrier element in certain areas. The body part is coolable and can be mechanically deformed to a first shape that it can be transformed into a second shape by the subsequent heating, in which the body part (21, 31, 32, 33) is radially in contact to the carrier element (2, 3).

Abstract: The invention relates to an electrically driven motorcycle (1) comprising at least one electrical machine (4), which has a stationary stator (6) and a rotatably mounted rotor (7), wherein said rotor (7) has a return ring (9) with a plurality of permanent magnets (8) distributed over the circumference thereof. According to the invention, the permanent magnets are arranged in the return ring (9) like spokes with alternating tangential magnetisation. The invention further relates to a method for operating such a motorcycle.

Abstract: The invention relates to a circuit arrangement for operating an electric motor, in particular an electric motor for a windshield wiper. The electric motor has a first voltage connection, a ground connection, and a return connection. The ground connection is connected to a battery ground connection of a battery. Furthermore, a switch is provided, which is designed to open or disconnect a conductive connection between the ground connection and the return connection depending on an angle position of a shaft driven by the electric motor. Additionally, a filter member is arranged between the return connection and the ground connection.

Abstract: The invention relates to a circuit arrangement for operating an electric motor, in particular an electric motor for a windshield wiper. The electric motor has a first voltage connection, a ground connection, and a return connection. The ground connection is connected to a battery ground connection of a battery. Furthermore, a switch is provided, which is designed to open or disconnect a conductive connection between the ground connection and the return connection depending on an angle position of a shaft driven by the electric motor. Additionally, a filter member is arranged between the return connection and the ground connection.

Abstract: An anti-interference system (86) for an electric machine (10) comprises a single-piece or multi-piece housing component (56) and a single-piece or multi-piece shielding component (30). The housing component (56) together with the shielding component (30) forms a faraday cage (84). The faraday cage (84) encloses at least one first interference suppression choke (44). An electric machine, particularly a wiper motor, comprises an anti-interference system (86) as described above.

Abstract: The invention relates to an electric drive, particularly a windshield wiper drive for vehicles, comprising an electric motor (10) in a crucible-shaped, preferably metal, motor housing (14), a gearbox housing (16) that is attached to the motor housing (14), and an arrangement for the interference suppression of the motor (10). According to the invention, at least one choke coil (46, 48) for the interference suppression of the motor (10) is disposed in the transition region from the motor housing (14) to the gearbox housing (16), wherein in this transition region means (36, 56) are provided in order to shield the filtered coil end (47, 49) projecting into the gearbox housing (16) from the interfering radiation produced by the motor (10).

Abstract: An electric drive, in particular a wiper drive for vehicles, is proposed, with an electric driving motor in a motor housing (50), a brush holder (10) projecting into the motor housing (50), an anti-interference module (18) which is connected electrically and mechanically to the brush holder (10) and is intended for the electrical connection and interference protection of the motor, and with a gear mechanism (52) which is attached to the motor housing (50), at least partially accommodates the anti-interference module (18) and is designed in accordance with the predetermined position of the output shaft (53) with respect to the drive shaft (58).

Abstract: The invention relates to an electric drive, particularly a windshield wiper drive for vehicles, comprising an electric motor (10) in a crucible-shaped, preferably metal, motor housing (14), a gearbox housing (16) that is attached to the motor housing (14), and an arrangement for the interference suppression of the motor (10). According to the invention, at least one choke coil (46, 48) for the interference suppression of the motor (10) is disposed in the transition region from the motor housing (14) to the gearbox housing (16), wherein in this transition region means (36, 56) are provided in order to shield the filtered coil end (47, 49) projecting into the gearbox housing (16) from the interfering radiation produced by the motor (10).

Abstract: An electric drive, in particular a wiper drive for vehicles, is proposed, with an electric driving motor in a motor housing (50), a brush holder (10) projecting into the motor housing (50), an anti-interference module (18) which is connected electrically and mechanically to the brush holder (10) and is intended for the electrical connection and interference protection of the motor, and with a gear mechanism (52) which is attached to the motor housing (50), at least partially accommodates the anti-interference module (18) and is designed in accordance with the predetermined position of the output shaft (53) with respect to the drive shaft (58).

Abstract: The invention relates to a wiper drive (10), in particular for a window wiping device for a motor vehicle, having a motor and a gear mechanism. Until now, the motor and the gear mechanism have been accommodated in two separate adjoining housings. The gear mechanism housing is manufactured from cast metal. In order to reduce costs, in the wiper drive according to the invention the motor and the gearbox are arranged in a common housing (11).

Abstract: An assembly device for an electronic component in sandwich type of construction. The electronic component includes at least one semiconductor element which is contacted in a planar fashion on its lower side and its upper side each by one circuit substrate. Using the assembly device, the two circuit substrates may be simply adjusted with respect to each other during assembly of the electronic component. For this, the assembly device includes a first lower shell including an accommodation for the first of the two circuit substrates, an arrangement for the defined alignment of the first circuit substrate in the accommodation, and a second, upper shell including an arrangement for adjusting the second circuit substrate positioned on the semiconductor element. A method for assembling an electronic component in sandwich type of construction, using such an assembly device, is also described.

Abstract: An assembly device for an electronic component in sandwich type of construction. The electronic component includes at least one semiconductor element which is contacted in a planar fashion on its lower side and its upper side each by one circuit substrate. Using the assembly device, the two circuit substrates may be simply adjusted with respect to each other during assembly of the electronic component. For this, the assembly device includes a first lower shell including an accommodation for the first of the two circuit substrates, an arrangement for the defined alignment of the first circuit substrate in the accommodation, and a second, upper shell including an arrangement for adjusting the second circuit substrate positioned on the semiconductor element. A method for assembling an electronic component in sandwich type of construction, using such an assembly device, is also described.