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: The invention concerns a heat exchanger for transmitting heat from a heating medium, in particular from the exhaust gas stream of an internal combustion engine, to a working fluid, which evaporates in the heat exchanger, comprising an alternating stacking order made of guiding layers for the heating medium and guiding layers for the working fluid; wherein the heating medium and the working fluid are injected in the cross counterflow; whereas each guiding layer for the working fluid comprises a channel plate, which has at least one meandering passage opening, whereas cover plates are arranged on both sides of the channel plate, which cover plates seal laterally the passage opening by forming a working fluid channel, except for an inlet and an outlet, wherein the channel plate is materially connected to the cover plates; and whereas the working fluid channel includes a first section, outgoing from the inlet, with a first free cross-section and a second section emerging in the outlet, with a second free cross-se

Abstract: The invention relates to an operating fluid for a steam cycle process apparatus comprising a steam generator, an expander, a condenser and a reservoir for the operating fluid, comprising a working medium that evaporates by supplying heat in the steam generator, performs mechanical work in the vapour phase by expanding in the expander and condenses in the condenser and an ionic liquid which forms a mixture with the working medium, wherein the melting point of the mixture lies below ?5° C.

Abstract: The invention relates to a steam circuit process device, comprising a reservoir for a liquid working medium; an evaporator in which the working medium is evaporated by heat supply, the vaporous working medium being fed to an expander for expansion and for carrying out mechanical work and being subsequently liquefied in a capacitor which communicates with the reservoir; a working medium pump for supplying working medium from the reservoir to the evaporator. The invention is characterized in that liquid working medium is supplied in the direction of flow of the working medium upstream or in the region of the capacitor to the working medium exiting the expander.

Abstract: The invention relates to a drive unit, in particular for a vehicle drive, comprising a drive machine generating driving power, a cooling system for the fluid cooling of the drive machine and/or a component of the drive unit which is supplied at least indirectly with driving power by the drive machine, wherein in the cooling system a coolant circulates; a lubricating circuit for the lubrication of at least one movable component of the drive unit with a lubricant. The invention is characterized in that the drive unit further comprises an accumulation reservoir, in which a comprehensive operating fluid, which comprises a mixture of an ionic fluid and a vaporizable fluid, is stockpiled, wherein the cooling system and the lubricating circuit are at least indirectly fluidically connected to the accumulation reservoir in order to extract lubricant and coolant from the comprehensive operating fluid.

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: The invention relates to a drive train, especially for a commercial vehicle, with an internal combustion engine which produces an exhaust gas stream; with an exhaust gas line which is connected to the internal combustion engine; with a supply air line system for supplying a supply air flow for combustion in the internal combustion engine, which supply air line system is connected to the internal combustion engine; with a steam cycle, comprising an expansion machine, at least one heat exchanger in order to evaporate the working medium of the steam cycle, and a condenser; the supply air line system comprises a fresh air line for supplying a fresh air flow for combustion in the internal combustion engine and a recirculating line for recirculating a part of the exhaust gas stream to the fresh air side for combustion in the internal combustion engine.

Abstract: The invention relates to a working fluid for a steam circuit process carried out in a device comprising a steam generator, an expander, a condenser, and a reservoir for the working fluid, comprising a working medium that evaporates by the addition of heat in a steam generator, performs mechanical work by expanding in the expander during the steam phase, and condenses in the condenser; an ionic fluid serving as an antifreeze component and having a melting point in the reservoir below the freezing point of the working medium, wherein the decomposition temperature of the ionic fluid is above the evaporating temperature of the working medium in the steam generator.

Abstract: The invention is characterised in that the expander is integrated into the secondary side of the transmission by means of one or more of the following features: the expander has a housing which substantially completely surrounds the expander; the expander is equipped with a drive shaft which projects out of the housing and has a coupling element that is fixed to the drive shaft and that produces a drive connection.

Abstract: The invention relates to a vaporizer for a working medium for operating a vapor circulation process, including a working medium inlet section, a heat exchanger section, and a vapor collection section for the vaporized working medium, which are constructed as a stacking sequence from a plurality of materially bonded plates having through openings, a first channel system for conducting the heat transfer medium and a second channel system for conducting the working medium, which is hydraulically separated from the first channel system, being applied in the heat exchanger section, and the first channel system and the second channel system each being implemented by a partial overlap of the through openings of adjacent plates.

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: A drive train, especially a vehicle drive train, includes: an engine for supplying drive power into the drive train; a cooling circuit in which a cooling medium is revolved in order to cool the engine or an electric generator or another unit; an expansion machine which is driven with fluid or steam as a working medium and by way of which additional drive power can be supplied to the drive train or which drives an electric generator or another unit, the cooling medium of the cooling circuit being simultaneously the working medium of the expansion machine; and a bypass to the expansion machine which is provided through which the working medium of the expansion machine is forced through a switching valve or can be guided past the expansion machine automatically by the prevailing pressure conditions.

Abstract: A drive train for a motor vehicle includes: a vehicle drive engine for driving the motor vehicle via a vehicle drive shaft driven by a vehicle drive engine; and a compressor which can be driven optionally or permanently for compressing air for a compressed-air system of the motor vehicle. The compressor is associated with at least one drive unit in the form of a steam-driven expansion machine by which the compressor can be driven.

Abstract: A machine for folding a side gas bag for a vehicle occupant restraint system comprises a guide channel in which a gas bag to be folded can be disposed, and first and second folding tongues. The folding tongues have teeth and the guide channel has a first side part and a second side part in each of which several recesses are provided. The teeth of the folding tongues are able to engage into the recesses.

Abstract: A method of folding a gas bag for a vehicle occupant restraint system is disclosed, this gas bag having a wall delimiting a chamber and having an inflation opening, the inflation opening having a rim. The method comprises the following steps: First, the gas bag is spread out on a base. Then, the rim of the inflation opening of the gas bag is held fixed. Thereafter, a plate is arranged parallel to the base and at a distance therefrom, so that the gas bag extends between the base and the plate. Subsequently, the chamber of the gas bag is exposed to a pressurized medium, so that the gas bag unfolds between the base and the plate. Finally, the wall of the gas bag is pressed inwards at a plurality of sites distributed over a circumference of the gas bag. Further, a gas bag folded by performing this method and a device for performing the method are disclosed.

Abstract: A method for transferring a gas bag for a vehicle occupant restraint system into a mounting provided for the gas bag comprises the following steps: First, the gas bag is folded. Then, the gas bag is heated. Subsequently, the folded gas bag is pressed and simultaneously cooled. Finally, the gas bag is fastened in the mounting.

Abstract: A machine for folding a side gas bag for a vehicle occupant restraint system comprises a guide channel in which a gas bag to be folded can be disposed, and first and second folding tongues. The folding tongues have teeth and the guide channel has a first side part and a second side part in each of which several recesses are provided. The teeth of the folding tongues are able to engage into the recesses.

Abstract: A method for transferring a gas bag for a vehicle occupant restraint system into a mounting provided for the gas bag comprises the following steps: First, the gas bag is folded. Then, the gas bag is heated. Subsequently, the folded gas bag is pressed and simultaneously pressed. Finally, the gas bag is fastened in the mounting.

Abstract: A gas bag module of a vehicle occupant restraint system has a substantially tubular gas generator, a gas bag, and a gutter-shaped mounting housing surrounding the gas generator. The mounting housing is provided with an elongated slot for fastening of the gas generator to a vehicle and has opposite walls delimiting the elongated slot. The walls have terminal edges and are bent in a U-shape to define portions with a double layer. The layer of both portions which is provided with the terminal edge extend towards the gas generator so that the terminal edge lies against the gas generator.

Abstract: A method of fabricating a gas bag for a vehicular occupant restraint system, the gas bag having an inner side and an outer side and being formed by fabric portions having margins which overlap each other, comprises a first step in which a seam is formed along a substantial portion of the margins at the inner side of the gas bag or between the inner side and the outer side thereof. The method further comprises a second step in which the remaining portion of the margins is closed by a seam formed only from the outer side. A gas bag which can be formed by means of the method described above, has an inner side and an outer side and is formed by fabric portions having margins which overlap each other. The margins are connected to each other by means of a seam. The margins have a first part which, when the gas bag is deployed, faces a vehicle occupant, and a second part corresponding to the remainder of the margins.