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 for a drive assembly for driving a working machine at a variable speed of rotation having: a first planet gear set to which a first drive unit can be coupled and a second planet gear set which the working machine can be coupled. The first planet gear set and the second planet gear set each having planet gears which are arranged on at least two common planet shafts which are mounted in a planet carrier. The planet carrier is rotatably mounted in a transmission housing and can be driven by a second drive unit. A torque on the planet carrier can be braced against the transmission housing via a brake or locking mechanism or clutch.

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 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 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 for a drive assembly for driving a working machine at a variable speed of rotation having: a first planet gear set to which a first drive unit can be coupled and a second planet gear set which the working machine can be coupled. The first planet gear set and the second planet gear set each having planet gears which are arranged on at least two common planet shafts which are mounted in a planet carrier. The planet carrier is rotatably mounted in a transmission housing and can be driven by a second drive unit. A torque on the planet carrier can be braced against the transmission housing via a brake or locking mechanism or clutch.

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 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, with a bearing base body of a metallic material and a plain bearing layer of a non-metallic material. The plain bearing layer is applied to the bearing base body either directly or indirectly via an intermediate layer of a metallic material applied to the bearing base body. The bearing base body of the metallic material or the intermediate layer of the metallic material is produced from an austenitic steel or from a metal alloy. The plain bearing layer of the non-metallic material is produced from polyetheretherketone (PEEK) or from polytetrafluoroethylene (PTFE).

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: 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 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 shaft-hub connection with a shaft that includes a section with external splines, and a hub that includes internal. The hub with its internal splines is assembled in a positively joined manner with play on the section of the shaft including the external splines. The shaft in the section includes the external splines has a recess regularly inside of the external splines, in which a clamping body is inserted neutralizing the play between shaft and hub.

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: 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 power split gearbox (1) has a driveshaft (10) which is rotatably mounted so as to provide a drive and which has a drive toothing provided thereon in a torque-transmitting manner, a plurality of identically shaped first planet shafts (20) which are each arranged so as to be rotatably mounted around the driveshaft, wherein a first planet toothing and a second planet toothing which is axially offset relative to the latter are provided in each instance on the first planet shafts in a torque-transmitting manner, 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, at an axial offset relative to the latter, a fourth planet toothing which are provided in a torque-transmitting manner thereon, and wherein two of the third planet too

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 shiftable disk clutch or disk brake having two clutch parts which are rotatable relative to one another about a theoretical axis of rotation. One of the clutch parts has at least one rigid pressure disk which is connected with the clutch part so as to be fixed against movement and rigid. The other clutch part has at least two friction disks which are stiff in the circumferential direction and axially flexible in the manner of a diaphragm and are connected with this other clutch part so as to be fixed with respect to movement and rigid and are arranged on both sides of the pressure disk.

Abstract: A shiftable disk clutch or disk brake having two clutch parts which are rotatable relative to one another about a theoretical axis of rotation. Each of the two clutch parts has at least one clutch disk which is stiff against rotation and is rigidly connected with the clutch part so as to be fixed against movement in every direction. A remotely actuatable pressure supply is divided into at least two separate pressure systems, each of which is, by itself, capable of coupling or separating the clutch disks.