Abstract: A mounting of an intermediate shaft of a gearbox includes a gear element disposed between a first shaft end and a second shaft end of the intermediate shaft. A first radial bearing is disposed at the first shaft end of the intermediate shaft, a second radial bearing is disposed at the second shaft end of the intermediate shaft, a first axial bearing is disposed at the first shaft end of the intermediate shaft, and a second axial bearing is disposed at the second shaft end of the intermediate shaft.

Abstract: A tooth-wound coil of a stator or of a stator segment of a dynamo-electric machine having two straight sections spaced apart from each other and running substantially parallel. Two 180° curves are located on the ends thereof, wherein the straight sections have an active part area, the axial extend of which is less than or equal to that of the straight section. The tooth-wound coil has a symmetrical extension plane running in the longitudinal direction. An insulation material is provided around the straight sections of the tooth-wound coil. The material effects groove isolation and/or phase isolation in the stator or stator segment.

Abstract: A slip ring includes an essentially cylindrical contact region defined by a radius and having a contact region which faces in a radially outwards direction. The contact region has a recess in a region of the contact surface, with the recess configured to have a projection extending on an inner side of the recess and/or being interrupted in a tangential direction. The contact region has an annular surface formed with an opening which communicates with the recess and extends towards an axial direction at an incline at an interval of 5 degrees to 45 degrees with respect to a normal of the annular surface. At least two insulating regions are arranged axially adjacent to the contact region and each being defined by a radius, with the radius of the contact region being larger than the radius of the insulating region.

Abstract: A clutch includes a first clutch half, a second clutch half, a first magnet arranged on the first clutch half, and a second magnet arranged on the second clutch half. The first and second magnets interact to enable a contactless detection of a state of wear of the clutch.

Abstract: A planetary gearbox includes an input shaft configured to introduce a driving torque of at least 1500 kNm, and three consecutively connected gearing stages operably connected to the input shaft for supply of the driving torque unbranched through each of the gearing stages. A first one of the gear stages and a second one of the gear stages are configured as planetary stages, respectively. Each of the planetary stages includes a ring gear embodied as a stationary gearing component. A third one of the gear stages is embodied as a planetary stage having a stationary gearing component. The first one of the gearing stages includes at least five planetary gears.

Abstract: A wind turbine transmission includes a high-speed spur gear stage which includes a HSS spur gear and an HSS pinion meshing therewith on a HSS pinion shaft. The HSS spur gear is directly mounted in a transmission housing of the wind turbine transmission. A sun gear shaft of a transmission stage, which is mounted upstream of the high-speed spur gear stage, is directly coupled to the HSS spur gear.

Abstract: A slip ring, in particular for use in a wind turbine, includes an axle extending in an axial direction and a contact region having a contact surface on a peripheral surface of the contact region and a recess extending in a tangential circumferential direction along the peripheral surface. The contact region includes an axial end face formed with an opening which communicates with the recess. The contact region includes three essentially cylindrical segments which define two covering segments and an intermediate segment arranged in a center between the two covering segment. Each of the two covering segments defines a radius which is larger than a radius of the intermediate segment so that a peripheral surface of the intermediate segment forms an underside of the recess. An insulating region is arranged adjacent to the contact region on the axle.

Abstract: A multi-plate clutch includes a plate fin and first and second flanges connected to one another in a torque-transmitting manner via the plate fin. A screw fastener braces the plate fin on a first lamellar bore with the first flange, and a first spacer element is arranged on the plate fin to support a first axial movement of the second flange.

Abstract: A holding apparatus for a slip ring unit includes at least two slots configured for receiving slip ring brushes respectively, with the at least two slots being arranged in spaced-apart relationship. A cooling duct is arranged between the at least two slots for cooling a side surface of the slip ring brushes. The cooling duct is configured as a third slot between the at least two slots, with the at least two slots and the cooling duct being of essentially identical shape and dimension.

Abstract: Provided is a method for forecasting future operating states of machine components, which includes the respective machine component considered, a parameter that is selected that is representative of the state of the machine component, the parameter is recorded as a measured value during ongoing use of the machine component and, taking into account the use case for which the machine component is used, the measured value recorded is fed into an automatically running process for finding a recommendation for action. A system is also disclosed.

Abstract: The invention relates to a support structure (17) for a laminated core (9) of a stator segment (13) of a dynamoelectric machine having an external rotor, the support structure (17) having two joint plates (6) and two curved pressure plates (1), the respective longitudinal faces of which are in each case mutually opposed, and which encompass a predefinable space and can be connected at their abutting edges. The support structure also has substantially radial bars or ribs (3) between the pressure plates (1) and at least one element having polygonal cut-outs, which element is connected to a longitudinal face of the ribs (3) and forms a base plate of the support structure (17).

Abstract: A planetary gearing includes at least a first planetary stage and a second planetary stage and a double-walled pipe. The double-walled pipe has an inner pipe and an outer pipe and is provided with an outlet point in a central section. A bushing is arranged on the outlet point.

Abstract: A planetary transmission includes a ring gear holder and a ring gear for accommodating at least one planetary gear. The ring gear holder can be connected to a housing component at its end face, and a plurality of recesses for accommodating fastening means are embodied at an end face of the ring gear holder. Accommodated in at least one of the recesses is a hollow element, in which a fastening screw is accommodated. The hollow element establishes a positive-fit engagement between the ring gear holder and the housing component.

Abstract: A planetary gear set includes a slide bearing shell arranged on a planet gear axle, a planet gear mounted rotatably on the slide bearing shell and a planet carrier having a recess for receiving the planet gear axle. An axial disk is mounted in a floating manner between a web of the planet carrier and the planet gear in an axial direction and configured flat on an axially outer side facing the web of the planet carrier. A lubricant film between the axial disk and the planet gear ensures during normal operation hydrodynamic operation between the planet gear and the axial disk. A deficient lubrication is present between the axially outer side of the axial disk and the web of the planet carrier.

Abstract: Provided are a transmission device and an air-cooling island. The transmission device includes: a motor comprising a motor output shaft; and a speed reducer including a speed reducer input shaft. The motor output shaft is directly connected with the speed reducer input shaft.

Abstract: A multi-plate coupling includes two connecting flanges and an intermediate member arranged between the connecting flanges. A plate pack crown is arranged between each of the connecting flanges and the intermediate member. The plate pack crown is alternately connected to the associated connecting flange and the intermediate member by screw fasteners which are guided through continuous fastening bores arranged in the plate pack crown. At least one of the fastening bores of the plate pack crown has a contour diverging from the circular shape. A positive-locking element having a corresponding outer contour is inserted into the fastening bore. A component bears on the outer contour of the positive-locking element in a positive-locking manner and provides a bending edge for the plate pack crown.

Abstract: A flange arrangement includes a power shaft, a flanged hub connected detachably to the power shaft, and a stop member configured to detachably hold the flanged hub on the power shaft and to exert a disassembly force on the flanged hub so as to be able to rotate about a rotation axis of the power shaft.

Abstract: In a method for predicting damage to a roller bearing, a plurality of physical variables of at least one component of the roller bearing is acquired. From the physical variables and from type information of the roller bearing at least a first influencing variable and a second influencing variable are established and based on the at least first and second influencing variables a damage contribution to damage to the roller bearing caused by a White Etching Crack (WEC) mechanism is established and the damage contribution is added to form a damage sum. A remaining service life of the at least one component of the roller bearing due to the damage caused by the WEC mechanism from the damage sum and a first damage accumulation model is then established.

Abstract: The invention relates to a motor-operated crane drive in which a more rapidly rotating motor (1) drives a more slowly rotating cable drum (3) via a transmission (3). A safety brake (5) is arranged on the more slowly rotating side of the transmission (2). A signal that is used for actuating the safety brake (5) is utilized for initiating an electrical deceleration of the motor (1).