Abstract: A drive train arrangement preferentially for a wind power plant having a rotor shaft, a generator, and a gear, which is indirectly or directly connected to the rotor shaft and the generator. The gear is at least partly or completely integrated in the rotor shaft.

Abstract: A power shift transmission, having an input and an output shaft, rotatably and axially immovably mounted and a rotatably mounted intermediate shaft. The input shaft carries first and second gear wheels. The output shaft carries a third gear wheel. The intermediate shaft carries a fourth, fifth, and sixth gear wheels, which are movable such that in a first shifting position the first gear wheel is in engagement with the fourth gear wheel and the sixth gear wheel is in engagement with the third gear wheel, but the second gear wheel and the fifth gear wheel are out of engagement, and in a second shifting position, the second gear wheel is in engagement with the fifth gear wheel and the sixth gear wheel is in engagement with the third gear wheel, but the first gear wheel and the fourth gear wheel are out of engagement.

Abstract: A transmission in particular for wind power generators, with an epicyclic planetary gear arrangement having a sun gear, a ring gear, multiple planet gears and a planet carrier. The planet gears have planet gear teeth in mesh with sun gear teeth and ring gear teeth. Each planet gear is rotatably mounted via a radial slide bearing on a planet pin that is non-rotatably connected to the planet carrier. Each slide bearing includes a bearing hub positioned between the planet pin and the planet gear, which is non-rotatably connected to the planet pin. Between the bearing hub and the planet pin an annular support is formed, which seen in the axial direction has a smaller dimension than the bearing hub and/or a smaller dimension than the planet gear teeth of the planet gear.

Abstract: A submarine drive system of a submarine, having a drive shaft, a drive propeller coupled to the drive shaft (2), and an electric motor for driving the drive shaft. A main drive having at least one first electric motor is designed for full-load operation and is or can be coupled to the drive shaft on the drive side, and an additional drive having at least one second electric motor is designed for part-load operation for creep operation or submerged operation of the submarine and likewise is or can be coupled to the drive shaft on the drive side.

Abstract: A plain bearing, having a bearing base body made from a metallic material, having an intermediate layer made from a metallic material applied onto the bearing base body, and having a plain-bearing layer made from a non-metallic material applied onto the intermediate layer. The intermediate layer is an arrangement of wires or a perforated plate. The arrangement of wires or the perforated plate forms undercuts and the plain-bearing layer is a layer made from polyether ether ketone.

Abstract: A transmission arrangement with a first rotatably mounted drive-side shaft paired with a first drive toothing; a second rotatably mounted drive-side side shaft paired with a second drive toothing; a rotatably mounted ouput-side shaft paired with an output toothing; a first number of first planet shafts, each of the first planet shafts being paired with a first planet toothing and a third planet toothing; and a second number of second planet shafts, each being paired with a second planet toothing and a fourth planet toothing. The first drive-side shaft and the second drive-side shaft are coaxially relative to each other; the first planet toothing engaged with the first drive toothing; the second planet toothing engaged with the second drive toothing; and the third planet toothing and the fourth planet toothing are engaged with the output toothing.

Abstract: A gearbox for a drive arrangement of a machine for driving the machine with variably adjustable rotational speed, with a first planet gear set, to which a first drive unit can be coupled and a second planet gear set, to which the machine can be coupled. The first planet gear set and the second planet gear set each comprise planet gears arranged on at least two common planet shafts which are mounted in a planet carrier. The planet carrier is rotatably mounted in a gearbox housing and can be driven by a second drive unit.

Abstract: Gear unit with a gear unit housing, a drive-side and an output-side shaft and a gear ratio stage. The gear unit housing has a toothing space in which there are intermeshing toothed wheels and a bearing space separated from the toothing space. The bearing space in which bearing lubricating oil can be collected is operated under atmospheric pressure. The bearing lubricating oil is guided from the bearing space to an oil collecting receptacle external to the gear unit. The toothing lubricating oil collected in the toothing space is fed to the oil collecting receptacle to be at least partially separated from the bearing lubricating oil. In partial vacuum operation the toothing lubricating oil is conveyed from the toothing space into the oil collecting via a delivery pump, and in atmospheric operation, the toothing lubricating oil is conveyed from the toothing space into the oil collecting receptacle via a check valve.

Abstract: The transmission for a drive arrangement of a driven machine with an oil supply system has at least one oil collecting receptacle for supplying components of the transmission with oil for lubrication and/or cooling. The oil is supplied from the respective oil collecting receptacle via an oil supply line and an oil supply pump and is returned to the respective oil collecting receptacle subsequently via an oil return line. A vacuum pump is associated with at least one oil collecting receptacle for supplying components of the transmission with oil, and the respective oil collecting receptacle can be evacuated or partially evacuated via the vacuum pump and at least one partial interior of the transmission can be evacuated or partially evacuated indirectly via the oil collecting receptacle via the vacuum pump accompanied by the generation of a defined negative pressure.

Abstract: Screw connection for a non-shiftable multiple plate clutch with a clamping bolt, a bolt nut cooperating with the clamping bolt, and a clamping bushing which likewise cooperates with the clamping bolt. A seat between the clamping bolt and clamping bushing has at least one gradation such that a first cylindrical seat surface having a first diameter is formed at a first side of the respective gradation and a second cylindrical seat surface having a second diameter is formed at a second side of the respective gradation.

Abstract: Marine propulsion system and ship outfitted therewith, wherein the marine propulsion system has a propulsion element for propelling a ship, a driving engine which is to be flexibly mounted at a hull of the ship for driving the propulsion element, a thrust bearing which is to be rigidly mounted at the hull and which has a thrust bearing shaft having a first end and a second end, a driving engine drivetrain for connecting the driving engine to the first end of the thrust bearing shaft, and a propulsion element drivetrain for connecting the second end of the thrust bearing shaft to the propulsion element, wherein the driving engine drivetrain rigidly connects the driving engine to the first end of the thrust bearing shaft.

Abstract: A propeller pod drive for a vessel has at least one driveshaft for driving a propeller, at least one radial bearing arrangement for receiving radial forces, at least one axial bearing arrangement for receiving axial forces of the driveshaft. A thrust collar is supported in axial direction on at least one side in axial direction at a guide device, and a supporting structure for arranging the at least one radial bearing arrangement and the axial bearing arrangement. The guide device has at least three, axial sliding segments arranged in a segment guide and each of which has a sliding surface in contact with the thrust collar.

Abstract: The invention relates to an electric steering and drive system for a vehicle having a wheel-based steering system, having drive elements for traction tracks or for wheels and having two drive shafts, the first end of which is connected to the drive element of the respective one vehicle side and the second end of which is connected to a differential gear mechanism arrangement, and at least one traction motor is connected to at least one of the two drive shafts, and having an electric steering drive which is drive-connected to the differential gear mechanism arrangement, it being possible for the traction motors and steering drives to be supplied with electric current from at least two energy sources which are independent of one another.

Abstract: A power split gearbox (1) has: a driveshaft (10), a plurality of identically shaped first planet shafts (20) rotatably arranged mounted around the driveshaft, wherein a first planet toothing and a second planet toothing are provided on the first planet shafts, wherein the first planet toothings are in mesh with the teeth of the drive toothing, a plurality of identically shaped second planet shafts (30) which are each arranged so as to be rotatably mounted on the radially outer side around the first planet shafts, wherein the second planet shafts have in each instance a third planet toothing and, a fourth planet toothing, and wherein two of the third planet toothings are in mesh with the teeth of one of the second planet toothings, and a central wheel (40) in mesh with the teeth of the fourth planet toothings.

Abstract: Shaft loading device for a test stand, having a shaft receptacle for receiving a shaft to be loaded for testing and a rotational bearing device which is constructed as a combination of sliding bearing support of the shaft receptacle and plurality of actuators acting directly on the sliding bearing support for selective application of bearing force to the shaft receptacle.

Abstract: A steering drive system includes a drive arrangement having a first drive and a second drive, a summing gear unit for summing driving torques of the drives on an output shaft of the summing gear unit, a first drive connection device by which the first drive is drivingly connected to a first input shaft of the summing gear unit, and a second drive connection device by which the second drive is drivingly connected to a second input shaft of the summing gear unit. The two drive connection devices are arranged in each instance such that no driving torque directed to the drives from the summing gear unit can be transmitted to the drives during a continuously produced drive connection between the drives and the summing gear unit.

Abstract: A steering drive system includes a drive arrangement having a first drive and a second drive, a summing gear unit for summing driving torques of the drives on an output shaft of the summing gear unit, a first drive connection device by which the first drive is drivingly connected to a first input shaft of the summing gear unit, and a second drive connection device by which the second drive is drivingly connected to a second input shaft of the summing gear unit. The two drive connection devices are arranged in each instance such that no driving torque directed to the drives from the summing gear unit can be transmitted to the drives during a continuously produced drive connection between the drives and the summing gear unit.

Abstract: A coupling device for coupling a large gear unit to a rotative device has an inner sleeve rotatively coupleable to one of the large gear unit and the rotative device, and an outer sleeve rotatively coupleable to the other of the large gear unit and rotative device. An inner diameter of the outer sleeve can be fitted axially to an outer diameter of the inner sleeve. A first connection device connected to the inner sleeve terminates in a first coupling portion, and a second connection device connected to the outer sleeve terminates in a second coupling portion that is connectable to the first coupling portion. An actuator integrated in one of the first and second connection devices moves the associated connection arm axially. A testing arrangement is outfitted with the coupling device and performs a method of coupling the large gear unit to the rotative device.

Abstract: Marine propulsion system and ship outfitted therewith, wherein the marine propulsion system has a propulsion element for propelling a ship, a driving engine which is to be flexibly mounted at a hull of the ship for driving the propulsion element, a thrust bearing which is to be rigidly mounted at the hull and which has a thrust bearing shaft having a first end and a second end, a driving engine drivetrain for connecting the driving engine to the first end of the thrust bearing shaft, and a propulsion element drivetrain for connecting the second end of the thrust bearing shaft to the propulsion element, wherein the driving engine drivetrain rigidly connects the driving engine to the first end of the thrust bearing shaft.

Abstract: Shaft loading device for a test stand, having a shaft receptacle for receiving a shaft to be loaded for testing and a rotational bearing device which is constructed as a combination of sliding bearing support of the shaft receptacle and plurality of actuators acting directly on the sliding bearing support for selective application of bearing force to the shaft receptacle.