Abstract: In an exhaust gas treatment system and a utility vehicle having an exhaust gas treatment system, the exhaust gas treatment system includes a particle reduction unit, a reducing agent tank and a nitrogen oxide reduction unit of a modular design, wherein the reducing agent tank is arranged between the particle reduction unit and the nitrogen oxide reduction unit and extends around a connecting line extending between the particle reduction unit and the nitrogen oxide reduction unit, and in a utility vehicle, the associated exhaust gas treatment system is arranged within a predefined cuboid envelope volume on a support structure which is attached to a frame member of the vehicle.

Abstract: A process for producing a shaped part of a pre-form of hardenable and heat formable steel sheet, by means of heat treatment with cold deforming tools, in which by the heat forming a hardened component is produced, which exhibits a martensitic and/or banitic microstructure, wherein the hardened component is tempered subsequent to heat forming so that a shaped part is formed which exhibits, at least in areas, a higher yield strength and a pronounced break limit compared to the hardened component.

Abstract: A control system having an electronically controllable drive train. A coordination level is assigned to a system control device in which set point values are generated from state variables of the vehicle and from driver's wishes and actuation signals for actuating actuators are generated therefrom. An execution level is subordinate to the coordination level and has actuators for executing the actuation signal. An axle electronic module activates at least one brake actuator assigned to the vehicle axle, and is arranged in the region of the vehicle axle. The axle electronic module is connected to the coordination level in order to transmit set point values, and is designed to determine actuation signals from the set point values in order to control the respective axle actuator. The axle electronic module is connected to a controllable differential lock in order to transmit the actuation signals.

Abstract: A steering system (1) of a vehicle, having a steering wheel (2) which is connected mechanically to the steerable vehicle wheels (11) via a steering column (3). A superimposition actuator (26) which can be actuated independently of the driver by a control device (25) is provided for generating a superimposition variable (U). A superimposition device (6) superimposes a steering wheel variable (?H) which describes the steering actuation of the steering wheel (2) and the superimposition variable (U) to form an output variable. A steering actuator (19) sets a steering angle (?L) at the steerable vehicle wheels (20) as a function of the output variable. An actuating device (27) is provided which is actuated by the control device (25) in order to generate an actuating device torque (MS) which acts on the steering column.

Abstract: A drive system for a utility vehicle has at least one rear axle, which can be permanently driven from a drive engine via a speed-change gearbox, and a front axle which is operatively connected to the rear axle by an axle engagement clutch that can generally be controlled manually for engagement and disengagement. In order to avoid the risk of the driver's failing to recognize the need for engagement of the axle engagement clutch in the case of difficult traction of the utility vehicle on an adherent roadway and of the rear axle being overloaded as a result, provision is made for the engagement of the axle engagement clutch to be initiated automatically as a function of the engine load.

Abstract: A heat exchanger structure for a plurality of electrochemical storage cells has at least one duct component through which thermal control medium flows. The duct component has two material strips which are arranged parallel to one another and between which a heat exchanger duct is formed. The material strips have shaped portions adapted to the storage cells. The heat exchanger structure is useable, for example, for a motor vehicle battery.

Abstract: A radiator grill for a motor vehicle has a chromium-plated mask, with a mask frame comprising a plurality of mask decorative strips. The latter are secured to individual support plates of a support frame. The individual support plates are elastically deformably connected to one another by spring devices. A mask decorative bar is preferably arranged such that it can move relative to the mask frame.

Abstract: In a camshaft for an internal combustion engine having a cam disk support shaft, to which a plurality of cam disks and a drive wheel are attached, the outer radius of the cam disk support shaft varies continuously in those sections in which the cam disks are attached. The cam disks have bores whose inner radius varies continuously and the cam disk support shaft is alternately provided with elevations and depressions in those sections in which the cam disks are attached, the elevations and depressions forming a wedge-shaped curve profile about the circumference of the section of the cam disk support shaft The elevations continuously enlarge the outer radius of the cam disk support shaft, the bores of the cam disks being matched to the enlarged portion of the outer radius of the cam disk support shaft, so that by relative rotation of the cam support shaft and the cam disks and also the drive wheel the components are firmly joined and the camshaft is formed.

Abstract: A laser weld seam with reduced end crater and a process for production thereof are provided. The seam end is provided at a location, which exhibits a excessive material relative to the surrounding surface or thereby, that the seam towards the seam end exhibits a counter-running direction change of its preferred direction, which is designed in such a manner, that as a consequence of the interaction between cooling forward and counter-running seam a backfill of the melt towards the seam end occurs.

Abstract: The invention relates to a method for forming a fuel/air mixture of a directly injecting internal combustion engine with a spark ignition, in which the fuel injection is configured in a stratified charge operating mode of the internal combustion engine in such a way that a first, a second and optionally a third part amount are introduced into the combustion chamber during the compression stroke of the internal combustion engine, the injection of the final part amount being ended at a crank angle which lies in a range between ?2° CA and 20° CA before the ignition time.

Abstract: A control system for a vehicle having a screen display with a plurality of display areas for displaying entries of a menu structure, a manual actuating means for selecting and/or activating at least one entry in a current menu level, voice control means for redundantly selecting and/or activating at least one entry from the menu structure which simultaneously forms a keyword for the voice control means. The entries of the menu structure are divided into various groups, a first group of entries can be selected and/or activated only with the manual actuating means, a second group of entries can be selected and/or activated with the manual actuating means and/or the voice control means, and the second group being divided into at least two groups of terms which can be ordered by simple rules and which determine which keywords can be input at a particular time for menu control.

Abstract: A tool (1) for the internal high pressure forming of a hollow section (2). The tool (1) is designed both for forming the hollow section (2) and for making an embossment on the outside of the hollow section (2) and for making a hole in the hollow section (2). For this purpose, the tool (1) has an embossing punch (11) displaceable transversely to the longitudinal extent of the hollow section (2) and also a perforating punch (13) arranged coaxially in the embossing punch (11).

Abstract: In a method for operating an internal combustion engine in which the fuel is injected into a combustion chamber of a pre-injection and a main injection quantity, the quantity of fuel for the pre-injection, which is selected depending on the combustion location, is injected before the top dead center of the gas exchange, and the fuel for the main injection is injected synchronously with the induction of the air. The method is used in connection with internal combustion engines, in particular for passenger and commercial motor vehicles.

Abstract: Sacrificial lost casting cores of green or fired ceramic, which include at least one tension spring as a metallic reinforcing element, wherein at least one end of this reinforcing element lies near one of the surfaces of the casting core or extends therethrough, and wherein the melting point of all metallic reinforcing elements lie above the melting point of the casting metal, as well as processes for production of such casting cores, including the steps of preparing a principal mold, seating therein at least one reinforcing element, filling the principal mold with ceramic slip, drying the slip for formation of a green ceramic and releasing the casting core from the principal mold. The principal mold is preferably lined with a flexible internal mold or liner. The reinforcing element in the form a tension spring can be used following casting for breaking up the ceramic casting core.

Abstract: Process for layer-wise production of a three dimensional body (generative rapid prototyping), in particular by 3D binder printer, including a multiple succession of the steps of depositing a powder particle layer, activating in defined areas an adhesive present on the powder particles and/or in the powder particle coating, as well as adhering the powder particles to each other and to the layer thereunder, wherein the powder particle layer is electrically discharged by ionized particles and brushed flat by means of an electrically insulated blade prior to activation of the adhesive material, and the invention further concerns a device adapted for application of thin powder particle layers, including at least one ionizing device.

Abstract: A hybrid transmission including two electric motors and a plurality of planetary gear sets operatively connectable to the motors and to an engine is provided. Novel motor features are provided including structure adapted to improve reliability and to facilitate assembly. More precisely, a method is provided for locating and installing the components of a motor, including a rotor and a stator, within a covered housing to form a motor module. A plurality of rotor bearings and a position/speed sensor are also preferably added to the motor module. After the motor module is assembled, the motor may be tested and thereafter the motor module can be installed into a hybrid transmission as a single component utilizing conventional transmission assembly methods.

Abstract: In a method for defining the time and scope of maintenance operations for a system having a plurality of maintenance items, each of which should be carried out within an assigned tolerance range, a minimum maintenance interval between successive maintenance operations is predefined. The timing of a maintenance operation is predictively fixed at at least that tolerance range end point which is the first of the tolerance range end points of maintenance items relating to maintenance times to follow the time of a preceding maintenance operation while complying with the minimum maintenance interval. At least those maintenance operations whose tolerance range end points occur before the predicted subsequent maintenance time are defined as the scope of the imminent maintenance operation.

Abstract: A headrest for a vehicle seat includes a stationary support part, and an impact element which can be moved relative to the latter. The impact element is mounted on the support part via a lever system which can be at least partially decoupled, so that it permits different sequences of movement between impact element and the support part.

Abstract: In a fuel supply arrangement for supplying fuel from a fuel tank to the fuel injectors of an internal combustion engine by an electrically operated fuel pump, a first fuel pressure level adequate for normal engine operation is provided by the fuel pump and means are provided for increasing the fuel injection pressure provided by the pump for supplying fuel at a higher pressure level to the fuel injectors during an engine start-up or warm-up phase.