Abstract: A blocking device, and a gear-drive unit containing such a blocking device, and a method for producing such a gear-drive unit for blocking a rotary motion of a shaft relative to a housing of the gear-drive unit, having a first, rotatable blocking element and a second blocking element which is displaceable relative to the first blocking element by means of at least one electromagnet and at least one restoring element, in which the blocking elements in the blocked state mesh in the axial direction with one another by form-locking, and the blocking device is embodied as a separate, independent structural unit, which can be mounted as a unit on the one hand onto the housing and on the other onto the shaft.

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: 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: A blocking device, and a gear-drive unit containing such a blocking device, and a method for producing such a gear-drive unit for blocking a rotary motion of a shaft relative to a housing of the gear-drive unit, having a first, rotatable blocking element and a second blocking element which is displaceable relative to the first blocking element by means of at least one electromagnet and at least one restoring element, in which the blocking elements in the blocked state mesh in the axial direction with one another by form-locking, and the blocking device is embodied as a separate, independent structural unit, which can be mounted as a unit on the one hand onto the housing and on the other onto the shaft.

Abstract: A blocking device, and a gear-drive unit containing such a blocking device, and a method for producing such a gear-drive unit for blocking a rotary motion of a shaft (14) relative to a housing (16) of the gear-drive unit (10), having a first, rotatable blocking element (32) and a second blocking element (34) which is displaceable relative to the first blocking element (32) by means of at least one electromagnet (44) and at least one restoring element (42), in which the blocking elements (32, 34) in the blocked state mesh in the axial direction with one another by form-locking, and the blocking device (30) is embodied as a separate, independent structural unit (31), which can be mounted as a unit (31) on the one hand onto the housing (16) and on the other onto the shaft (14).

Abstract: The present invention relates to an electromechanical brake booster with adjustable non-linear assistance force, comprising a brake booster piston (10), an adjustment means (50) which can be moved in a translatory fashion, and a non-linear coupling mechanism (40) for coupling the brake booster piston (10) to the adjustment means (50) in order to apply variable force to the brake booster piston (10).

Abstract: A blocking device, and a gear-drive unit containing such a blocking device, and a method for producing such a gear-drive unit for blocking a rotary motion of a shaft (14) relative to a housing (16) of the gear-drive unit (10), having a first, rotatable blocking element (32) and a second blocking element (34) which is displaceable relative to the first blocking element (32) by means of at least one electromagnet (44) and at least one restoring element (42), in which the blocking elements (32, 34) in the blocked state mesh in the axial direction with one another by form-locking, and the blocking device (30) is embodied as a separate, independent structural unit (31), which can be mounted as a unit (31) on the one hand onto the housing (16) and on the other onto the shaft (14).

Abstract: A cooling arrangement for an electrical machine—for example, a permanent-field synchronous machine of a vehicle. The electrical machine is connected to the engine block of the vehicle. In order to ensure cost-effective cooling of the electrical machine, the electrical machine includes a support element, and the engine block includes a cooling element. At least a region of the electrical machine is connected via the support element to the cooling element of the engine block such that the heat generated during operation of the electrical machine dissipates thermally into the engine block.