Abstract: The present invention relates to a sensor device (10) for a fuel cell system (100) for determining a purging parameter (SP) for controlling a purging process of the fuel cell system (100), comprising a first flow channel (20) for arranging in an anode feed section (122) of an anode section (120) of a fuel cell stack (110) and a second flow channel (130) for arranging in a recirculation section (126) of the anode section (120) of the fuel cell stack (110), which are separated from each other, at least in sections, by means of a gas-tight membrane (40), wherein the membrane (40) is designed to be permeable for protons and has an electrode section (42, 44) on both sides, as well as comprising a measuring device (50) for determining a fuel concentration difference between the first flow channel (20) and the second flow channel (30) as a purging parameter (SP) based on an electrical voltage between the two electrode sections (42, 44).

Abstract: The present invention relates to an apparatus and a method for converting a radar signal for further signal processing in a test bench with a radar target emulator as well as a test bench having such an apparatus. A divider assembly preferably comprises a divider device configured to reduce a frequency and a bandwidth of the radar signal by a first factor for the further signal processing. A multiplier assembly preferably comprises a multiplier device configured to increase a frequency and a bandwidth of the radar signal by the first factor subsequent the further signal processing.

Abstract: A vehicle battery housing which enables an electric vehicle to have an increased battery on-board capacity. The vehicle battery housing is mounted on a vehicle having a ladder frame and includes a first battery accommodating portion arranged in a first space between two side rails constituting the ladder frame and a second battery accommodating portion greater in vehicle-widthwise dimension than the first battery accommodating portion and connected to the first battery accommodating portion to be located in a second space vehicle-heightwise below the first space.

Abstract: The invention relates to a transmission arrangement (10) for a hybrid vehicle, comprising a housing (11), a transmission input shaft (12) and at least one transmission output shaft (13), a first planetary transmission set (PG1) having a first sun gear (zs1), a first ring gear (zr1) and a first planet carrier (c1) for a first planetary gear set (zp1) meshing with the first sun gear (zs1) and the first ring gear (zr1), also comprising a second planetary transmission set (PG2) having a second sun gear (zs2), a second ring gear (zr2) and a second planet carrier (c2) for second planetary gear set (zp2) meshing with the second sun gear (zs2) and the second ring gear (zr2), wherein the transmission input shaft (12) is rotationally fixed to the first planet carrier (c1), and the first ring gear (zr1) and the second ring gear (zr2) are permanently connected to one another and are rotationally fixed to the transmission output shaft (13), further comprising a first electric machine (E1) and a second electric machine (E2

Abstract: A longitudinally adjustable connecting rod with a hydraulic control device for effecting a change in the effective length of the connecting rod is provided. The hydraulic control device comprises a hydraulic control valve which comprises a hydraulically actuatable control slide that is preloaded by way of a control slide spring, and two outlet valves which can be actuated by the control slide by way of two control contours arranged at a distance from one another. The control slide comprises a low-pressure section with a low-pressure piston for hydraulically actuating the control slide. For optimizing the control slide for such a longitudinally adjustable connecting rod, the two control contours are arranged together in a high-pressure section of the control slide which is arranged on one side of the low-pressure section and separated therefrom by way of a sealing section disposed therebetween.

Abstract: Various embodiments of the present disclosure are directed to a drivetrain. In one example embodiment, a motor vehicle drivetrain is disclosed including a transmission arrangement for a motor vehicle with a primary engine. The transmission arrangement including a transmission input shaft which can be connected to the primary engine, and at least one transmission output shaft. The at least one transmission output shaft including a first summation planetary gear unit having primary and secondary first transmission input elements, and a first transmission output element, and a second summation planetary gear unit having primary and secondary second transmission input elements and a second transmission output element. The first transmission output element is connectable to the transmission output shaft via at least one first clutch and the second transmission output element is connectable to the transmission output shaft via at least one second clutch.

Abstract: The invention relates to a fuel cell system (10) comprising at least one fuel cell stack (11) having an anode section (12) and a cathode section (13), an ejector (14), a fuel mixture line (15) for conveying a fuel mixture—containing primary fuel and secondary fuel—from the ejector (14) to the anode section (12), a primary fuel line (16) for supplying the primary fuel to the ejector (14), and a recirculation line (17) for returning the secondary fuel from the anode section (16) to the ejector (14), wherein at least sections of the primary fuel line (16) extend through a heat exchange volume (18) within the recirculation line (17) for a heat-transmitting connection between the secondary fuel and the primary fuel.

Abstract: Various embodiments of the present disclosure are directed to an internal combustion engine cylinder head. In one example embodiment, the cylinder head includes a combustion chamber, a fire deck, an intermediate deck remote from a combustion chamber, a central receptacle that receives an injection or ignition device, at least one valve bridge, at least two adjacent gas exchange valves, a top-down cooling system, at least one first transfer opening, and at least one second transfer opening. The top-down cooling system including a first sub-cooling chamber and a second sub-cooling chamber. The at least one first transfer opening positioned between the first sub-cooling chamber and the second sub-cooling chamber. The at least one second transfer opening positioned between the first sub-cooling chamber and the second sub-cooling chamber is arranged in the region in the region of the at least one valve bridge between the at least two adjacent gas exchange valves.

Abstract: The invention relates to an adjustable-length connecting rod for a reciprocating piston engine, to a reciprocating piston engine, and to a vehicle, where an effective connecting rod length of the connecting rod can be changed, and the connecting rod has a hydraulic length adjustment device which has a hydraulic working chamber, a hydraulic duct, a valve recess with a valve recess longitudinal axis, and a valve device which is arranged in the valve recess and has a valve chamber, where the valve device is configured for opening and/or shutting of a hydraulic medium outflow from the hydraulic working chamber, and the hydraulic duct opens into the valve recess at an orifice opening in an inner wall section of the valve recess.

Abstract: The present invention relates to an SOEC system (1), comprising a fuel cell stack (2) having a gas side (3) and an air side (4), and an ejector (5) for supplying a process fluid to a gas inlet (6) on the gas side (3), wherein the ejector (5) comprises a primary inlet (7), for introducing a water-containing primary process fluid through a primary line (8) of the SOEC system (1) into a primary portion (9) of the ejector (5), and a secondary inlet (10), for introducing recirculated secondary process fluid through a recirculation line (11) of the SOEC system (1) from a gas outlet (12) on the gas side (3) into a secondary portion (13) of the ejector (5), wherein the SOEC system (1) further comprises a control gas supply portion (14) for supplying control gas into the primary portion (9) and into the secondary portion (13) in order to control a pressure and/or mass flow in the primary portion (9) and in the secondary portion (13), and wherein the control gas supply portion (14) comprises a valve arrangement (19, 20

Abstract: The present invention relates to a method for adjusting an operating mode of a fuel cell system (1) comprising: at least one fuel cell stack (2) having an anode portion (3) and a cathode portion (4); an anode supply line (5) for conveying fuel from a fuel source (6) to the anode portion (3); a fuel supply device (7) for supplying the fuel in the anode supply line (5) to the anode portion (3); an anode discharge line (8) for discharging anode exhaust gas from the anode portion (3) into the environment; and a purge unit (9) for purging the anode portion (3); said method comprising the steps of: determining a purge start time and/or a purge duration in which the anode portion (3) is intended to be purged by the purge unit (9); and shifting the fuel supply device (7) from a normal operation into a fuel-supply operation specific to the purge operation on the basis of the determined purge start time and/or purge duration, wherein the shifting into the fuel-supply operation specific to the purge operation is carried

Abstract: The present invention relates to a method for operating a driver model for controlling a vehicle. AccVehicle speed (kph) ntion, a vehicle Accelerator pedal [%] cle is selected and activated by the driver model from a number of vehicle statuses (301, 303, 305, 307, 309) by comparing a current status of the vehicle with at least one selection condition specified for a particular vehicle status, the number of vehicle statuses (301, 303, 305, 307, 309) comprising at least a first vehicle status (301, 303, 305, 307, 309) and a second vehicle status (301, 303, 305, 307, 309).

Abstract: The present invention relates to a method for operating a driver model for controlling a vehicle. The driver model comprises a vehicle module (203) which determines an accelerator pedal position to be set on the vehicle. In addition, the vehicle module (203) determines a required power as a component of a total power, which total power can be generated by a drive system of the vehicle, wherein the required power corresponds to a power that is necessary for moving the vehicle at a required speed and/or a required acceleration (311) along a predefined road course. The method according to the invention further provides for a value (313) of a permissible pedal position to be assigned to the required power and for the value (313) of the permissible pedal position to be transmitted to the driver model in order to control the vehicle.

Abstract: A longitudinally adjustable connecting rod for a piston engine, where the connecting rod includes a first connecting rod end for receiving a piston pin and a second connecting rod end for receiving a crankshaft journal, where the distance between the piston pin and the crankshaft journal is adjustable in the longitudinal direction (A) of the connecting rod by way of a hydraulic control device with a hydraulic control valve. The hydraulic control valve comprises a control cylinder and a control slide which is guided in a slidable manner in the control cylinder and which can be pressurized, and at least one outlet valve which can be actuated by the control slide. The control slide comprises a control piston which is arranged on the end face, with a control pressure surface which can be subjected to the hydraulic control pressure and which defines a control pressure chamber in the control cylinder.

Abstract: The invention relates to a reciprocating-piston machine, comprising a valve actuation device for at least one gas exchange valve, at least one valve stroke transmission device, which has at least one valve stroke transmission element, which is arranged between the gas exchange valve and the camshaft and which is mounted for movement between a first Position associated with a closed Position of the gas exchange valve and a second Position associated with an open position of the gas exchange valve, at least one halting device having a halting element mounted for movement between an actuation position and a release position in a machine housing or a housing-fixed component parallel to a guiding surface of the first valve stroke transmission element that the halting element at least shows the displacement motion of the first valve stroke transmission element and releases said displacement motion in the release position.

Abstract: A support device of a vehicle battery pack of a vehicle. The vehicle battery pack includes a first battery accommodating portion disposed in a first space of the vehicle and a second battery accommodating portion, where the second battery accommodating portion is greater in a vehicle-widthwise dimension than the first battery accommodating portion, where the second battery accommodating portion is connected to the first battery accommodating portion, where the second battery accommodating portion is disposed in a second space, and where the second space is below the first space in a vehicle-heightwise dimension. A frame-side bracket is disposed at a vehicle-widthwise outer surface of a web of a side rail of a ladder frame of the vehicle and projects outward in a vehicle-widthwise direction and a connecting member elastically connects the second battery accommodating portion to the frame-side bracket to suspend the vehicle battery pack to the ladder frame.

Abstract: The invention relates to a method for removing water from a fuel cell system (1) comprising a fuel cell stack (2) having an anode portion (3) and a cathode portion (4), a purge valve (5) downstream of the anode portion (3) for controlling a purge pressure in the anode portion (3), and a back pressure valve (6) downstream of the cathode portion (4) for controlling a back pressure in the cathode portion (4), comprising the steps: increasing the purge pressure in the anode portion (3) to a predefined purge pressure setpoint (AP1) with the purge valve (5) closed, increasing the back pressure in the cathode portion (4) to a predefined back pressure setpoint (KP1) with the back pressure valve (6) closed, and subsequently reducing the increased purge pressure as well as the increased back pressure in pulses by opening the purge valve (5) and the back pressure valve (6).

Abstract: A combustor, including: a catalyst bed portion supporting a catalyst capable of promoting a combustion reaction of fuel; a vaporizer which is arranged on the downstream side of the catalyst bed portion with respect to a flow of the fuel going through the catalyst bed portion and is configured to be able to use a combustion gas generated from the combustion reaction as a hot fluid; a manifold portion which is outside the catalyst bed portion and guides air in a direction opposite to the flow of the fuel going through the catalyst bed portion and has a wall portion on which a sidewall of the vaporizer is projected; and a fuel introducing portion configured to penetrate the wall portion of the manifold portion so that the fuel evaporated by the vaporizer can be introduced into the manifold portion.

Abstract: Aspects of the present disclosure are directed to, for example, a cylinder head for an internal combustion engine. In one embodiment of the present disclosure, the cylinder head includes at least one upper partial cooling chamber, a lower partial cooling chamber, an intermediate deck and at least one flow connection. The upper and lower cooling chamber are separated from one another by the intermediate deck. The intermediate deck having an element of single-wall design which extends into a combustion chamber and penetrates the intermediate deck. The at least one flow connection is positioned in the region of the element between the at least one upper and lower partial cooling chambers. The at least one flow connection formed by at least one recess on the element which tapers towards the one lower partial cooling chamber.

Abstract: Various embodiments of the present disclosure are directed to methods and systems for determining at least one actual value of a controlled variable of a conditioning unit for a reactant of a fuel cell. In one example embodiment, the method steps for determining the at least one actual value of a controlled variable includes: measuring a measured value of the actual value of the at least one controlled variable, calculating a model value of the at least one controlled variable using a model of the conditioning unit, calculating a model value of the actual value of the at least one controlled variable using a sensor model, calculating a correction value for the at least one controlled variable, and calculating the actual value of the at least one controlled variable as the sum of the correction value and of the model value of the at least one controlled variable.