Abstract: A universal joint arrangement with a journal cross, supported by bearings in two joint yokes offset to one another by 90°. Each joint yoke comprises a flange and two bearings. Each bearing has an axial bearing pressure disk that is supported by a first connection element on the joint yoke and a second connection element on the journal cross to form a first and second friction pairing. One of the connection elements has at least one elevated support region facing the axial bearing pressure disk. The support region is arranged in the region of low relative movement of the joint yoke with the journal cross, while the regions other than the support region lie in the region of greatest relative motion.

Abstract: The invention relates to a hydrodynamic coupling having two blade wheels, namely, an outer wheel and an inner wheel, The hydrodynamic coupling also has a coupling shell. The invention provides that the inner wheel and the coupling shell each have one hole and the holes are situated on the hydrodynamic coupling and can be moved into positions that are aligned with one another when the inner wheel and the coupling shell are rotated. The hole of the coupling shell is larger than the hole of the inner wheel. A measuring pin for passing through the two holes.

Abstract: The invention relates to an arrangement for exhaust gas heat utilization comprising a steam generator arrangement (20) to which exhaust gas is applied, in which heat contained in the exhaust gas can be transferred to a working medium for further utilization, characterized by a heat accumulator (38) to which the exhaust gas can be applied, and control means for controlling exhaust gas partial flows according to a value representing the available heat energy of the exhaust gas by the heat accumulator and the steam generator arrangement.

Abstract: A method for control of a pressurized air supply system for a motor vehicle. In a supply condition, the air compressor is driven by the drive motor and connected to a compressed air system of the motor vehicle such that compressed air is supplied to the compressed air system. In a non-supply condition, the compressor is not driven and/or connected to the compressed air system. The switching of the supply or non-supply condition results from a comparison of at least one switch pressure value with a pressure in the compressed air system and the topography of the stretch of road on which the vehicle is travelling, which includes the profile of the path which the vehicle must cover within a period of time and/or path distance to a given destination.

Abstract: The invention relates to a power generating unit, comprising an electric generator with a rotor; at least one hydrostatic motor for the powering of the electric generator, wherein at least one of the hydrostatic motors is constructed as an internal gear motor; the rotor of the electric generator surrounds the internal gear motor concentrically, wherein the rotor combs a pinion via an internal gearing, said pinion being driven at least indirectly by the internal gear motor; a starting device is allocated to the internal gear motor.

Abstract: An electrohydraulic valve assembly having an inflow channel, a working channel and an outflow channel, including first and second valves each having a magnetic regulating device for applying a regulated activation force to the respective valve. The valves are arranged in parallel so that either can provide the hydraulic connection between the inflow, working and outflow channels. In the case of error detection, the active valve is deactivated and the until then passive valve is activated and vice-versa. The deactivating of a valve device moves the valve piston to a hydraulic neutral position by means of a second stage.

Abstract: A hydrodynamic machine, and especially a hydrodynamic coupling, for a turbine compound system includes (a) a bladed primary wheel and a bladed secondary wheel which together form an operating space which is filled or can be filled with operating medium, and (b) a housing which encloses the primary wheel and the secondary wheel and which is manufactured from sheet metal. The housing is manufactured from at least two separate sheet metal components which are placed on the primary wheel and/or the secondary wheel, are aligned with each other at a joint abutment location, and are welded together. In the area of the welded joint abutment, a relief which is open toward the joint abutment is provided and which extends along the joint abutment in the surface of the primary wheel and/or the secondary wheel.

Abstract: The invention relates to an electromechanical drive for actuating valves, especially in steam turbines including an electromotor, a linear unit, a clutch and an electronic control unit. The linear unit includes a piston rod which is guided in a power-transmission thread of a screw nut, and is arranged, at least in sections, as a spindle and is displaceable along its longitudinal axis for actuating the valve in the screw nut with the power-transmission thread. The clutch is arranged for transmitting a rotational movement of the motor axis of the electromotor onto the piston rod. The electronic control unit is set up to control the speed and/or rotor position of the motor axis of the electromotor depending on a control signal and an output signal of a position pick-up of the position of the piston rod in the screw nut with power-transmission thread, and/or to control the engagement and/or disengagement of the clutch depending on the control signal.

Abstract: The invention concerns a turbo compound system, including a crankshaft driven by an internal combustion engine; a blowdown turbine arranged in the exhaust line of the internal combustion engine; a hydrodynamic clutch, including a driving torus and a driven torus, which form with each other a working chamber that is fillable or filled with working fluid; where the driven torus of the hydrodynamic clutch is arranged on a shaft on the crankshaft side, which is in drive connection with the crankshaft and is geared up relative to the crankshaft; and where the driving torus of the hydrodynamic clutch is arranged on a shaft on the blowdown turbine side, which is in drive connection with the blowdown turbine, and where a rotary pump is arranged on the shaft on the crankshaft side or on the shaft on the blowdown turbine side, whose impeller is driven by this shaft.

Abstract: The present invention relates to a hydrodynamic machine, especially a hydrodynamic retarder, including a bladed primary wheel and a bladed secondary wheel which are arranged opposite of each other axially with respect to their blade configurations such that they jointly form a working chamber. The working chamber can be filled with a working medium for one operating state in order to transmit torque from the primary wheel to the secondary wheel by means of a circulatory flow of the working medium. The working chamber can be emptied of the working medium for a non-operating state in order to prevent a transmission of torque from the primary wheel to the secondary wheel. A suction apparatus is connected with a fluidic connection to the working chamber in order to suck off working medium and/or air from the working chamber for forming a negative pressure in the working chamber in the non-operating state.

Abstract: The invention relates to a universal joint arrangement with a journal cross, supported by bearings in two joint yokes offset to one another by 90° and in reflected arrangement to the plane of symmetry of the journal cross located perpendicular to the joint axis; each joint yoke comprises a flange part and two bearing parts, wherein each bearing part exhibits a bearing bore, in which the journals of the journal cross are supported by bearings; each journal is supported by means of a bearing arrangement; the bearing arrangement comprises one radial bearing and one axial bearing, wherein the axial bearing is designed as a friction bearing.

Abstract: A drive train having a power-split transmission for distributing the power to at least one first power branch and at least one second power branch. The first power branch at least indirectly drives an electric generator, while a connection is established between the first power branch and the second power branch by a hydrodynamic circuit, which is disposed at the output end of the power-split transmission. The power flow is influenced in such a way by the hydrodynamic circuit that the speed at which the electric generator is driven is substantially constant.

Abstract: A universal joint arrangement with a journal cross, supported by bearings in two joint yokes offset to one another by 90°. Each joint yoke comprises a flange and two bearings. Each bearing has an axial bearing mold element that is supported by a connection element on the joint yoke and at least indirectly on the journal cross to form a first and second friction pairing. The mold element has a planar face and a second face having at least one elevated support region facing the first or second friction pairing, and is arranged with the support region on the connection element, which elastically deflects under load. The regions on the second face other than the support region are free from contact with the connection element in every load state. The support region is arranged in the region of low relative movement of the connection element with the journal cross, while the regions other than the support region lie in the region of greatest relative motion.

Abstract: The invention relates to an automotive drive, comprising a cooling circuit with a coolant, a retarder having a rotor and a stator that together form a toroidal working chamber, with the coolant being the working medium of the retarder. The retarder has an inlet for feeding the working medium from the cooling circuit and an outlet for discharging the working medium into the cooling circuit. The present automotive drive is characterized by the following features: the retarder has an additional evacuation outlet, which communicates with the cooling circuit so as to carry the working medium; a leakage pump is interposed in the connection between the evacuation outlet and the cooling circuit.

Abstract: A variable-speed transmission for a power-generating plant; with an input shaft which is connected at least indirectly with a power transducer of a wind-energy generator or hydroelectric generator; with an output shaft which is connected at least indirectly with an electric generator, with the speed of the output shaft being substantially constant; with a superposition gear which is connected at least indirectly with the input shaft and which divides power among a first power branch connected at least indirectly with the output shaft and a second power branch; with the second power branch comprising at least two hydrodynamic circulations, with at least one of the hydrodynamic circulations being at least indirectly in connection with the first power branch.

Abstract: The invention relates to an arrangement for exhaust gas heat utilization comprising a steam generator arrangement (20) to which exhaust gas is applied, in which heat contained in the exhaust gas can be transferred to a working medium for further utilization, characterized by a heat accumulator (38) to which the exhaust gas can be applied, and control means for controlling exhaust gas partial flows according to a value representing the available heat energy of the exhaust gas by the heat accumulator and the steam generator arrangement.

Abstract: A downwardly conveying conveyor installation, such as belt-conveyor installation, for transporting the conveyable articles along a conveying path from a geodetically higher location to a geodetically lower location. There is provided a motor drive, and a hydrodynamic coupling comprising a drive-side pump wheel and an output-side turbine wheel, which together form a toroidal operating space which is filled with operating medium. The pump wheel and the turbine wheel each have a blade arrangement with a multiplicity of blades which are arranged opposite one another such that the blades of the pump wheel are flush with the blades of the turbine wheel.

Abstract: The invention relates to a transmission module, especially a transmission module in countershaft design, having at least one input and one output which are connected with each other by way of at least one speed-torque converter device, with a reverse gear which is arranged between a countershaft and the transmission output, with a hydrodynamic retarder. The hydrodynamic retarder having at least one rotor blade wheel and a stator. The rotor blade wheel is connected via a high gear with the transmission output. The high gear is a component of the reverse gear.

Abstract: A transmission/heat exchanger unit includes a transmission having an input and at least one output and a heat exchanger, which is assigned to the output side of the transmission and is connected to said transmission at least indirectly via connecting lines. A duct or ducts route fuel, and is/are integrated in the case of the transmission, and extend(s) at least over part of the axial extent of the case to an end face of the transmission on the output side. A retaining device is provided for fastening the heat exchanger to the end face of the case of the transmission on the output side. The connecting lines that couple the fuel-routing duct or ducts in the transmission with the heat exchanger are integrated in the retaining device. Complementary connections of a standard type and size, which are located on the retaining device and the transmission case, are provided for fuel routing and for fastening the retaining device.

Abstract: A gearbox module having a gearbox input and at least one gearbox output; having a starting element coupled to the gearbox input, having an input and an output that can be coupled at least indirectly to the gearbox output; having a gear-shifting device, having at least two inputs and one output, which can be connected to the gearbox output; a first input of the gear-shifting device is connected to the output of the starting element and a second input is connected to the input of the starting element; each input of the gear-shifting device is selectively connected by means of a synchronously shiftable coupling, thereby producing a first power branch and a second power branch.