Abstract: The invention discloses a method for receiving a data packet from a first communication device by a second communication device in a wireless network comprising the following steps: —awaiting the data packet at the second communication device; determining a context information related to the data packet by the second communication device; if the data packet is not received successfully, controlling transmission of a negative acknowledgement indicator, NACK, and/or transmission of a channel quality indicator, CQI, by the second communication device to the first communication device based on the context information.

Abstract: A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis.

Abstract: A device for electrical interconnection of cells of a battery pack through cell connectors, and a battery pack having the device and the cell connectors are provided. A plurality of cell connectors for connection of at least two cell poles are fitted on a mounting plate, electrically isolated from one another. Each cell connector has at least one flexible bracket which extends away from a connection area. The flexible brackets are coupled to the connection area through a resilient structure having a meandering shape.

Abstract: An energy-efficient thermal management system for an electric or hybrid vehicle is provided. The system has a first coolant circuit for controlling the temperature of electric components of an electric powertrain, an air-conditioning unit being provided for air-conditioning an interior. A second coolant circuit air-conditions the interior and is operable independently of the first coolant circuit. Each coolant circuit comprises a pump and a respective ambient heat exchanger. In order to control the temperature of the interior, a temperature control device which can be designed as a Peltier module is integrated into the second coolant circuit, said temperature control device operating in the manner of a heat pump for heating purposes. The two coolant circuits can be coupled to each other in order to exchange heat. An additional temperature control device can be integrated in order to air-condition an interior component in a decentralized manner, in particular a seat.

Abstract: The invention relates to a rotor (1, 71) for a camshaft adjuster, comprising a substantially annular rotor basic body (3, 73) which has an end surface (11, 91) with a contour (15, 89) which extends in an axial direction, wherein the contour (15, 89) has an asymmetry such that precisely one position is predefined for the axial attachment of the rotor basic body (3, 73) to a camshaft (31, 112). A rotor (1, 71) with a contour (15, 89) of this type makes centering on a camshaft (31, 112) possible in a manner which is cost-neutral and can be easily implemented in terms of manufacturing technology. Furthermore, the invention relates to a camshaft adjusting system (111) with an above-mentioned rotor (1, 71).

Abstract: A device for exhaust gas heat utilization in internal combustion engines of motor vehicles includes an exhaust gas line which in sections includes a first exhaust gas flow duct and a second exhaust gas flow duct connected in parallel. A valve flap is movable between a closed position and an open position, which can selectively close or at least partly clear a flow cross-section of the first or second exhaust gas flow duct. At least one thermoelectric generator module is thermally coupled with the second exhaust gas flow duct and with a cooling circuit. The device also includes an expansion material actuator for temperature-dependent actuation of the valve flap.

Abstract: The invention relates to a rotor (1, 71) for a camshaft adjuster, comprising a substantially annular rotor basic body (3, 73) which has an end surface (11, 91) with a contour (15, 89) which extends in an axial direction, wherein the contour (15, 89) has an asymmetry such that precisely one position is predefined for the axial attachment of the rotor basic body (3, 73) to a camshaft (31, 112). A rotor (1, 71) with a contour (15, 89) of this type makes centring on a camshaft (31, 112) possible in a manner which is cost-neutral and can be easily implemented in terms of manufacturing technology. Furthermore, the invention relates to a camshaft adjusting system (111) with an above-mentioned rotor (1, 71).

Abstract: A parking lock for an automatic transmission of a motor vehicle is provided, wherein the automatic transmission has an actuator which can disengage a locking element in the automatic transmission, the locking element is held in a locked position by spring force, and a locking assembly (1) is provided which is connected via an actuating element (2) to the locking element and which has a knee lever (3) which can fix the actuating element (2) so as to prevent engagement of the locking element in the automatic transmission. The invention is characterized in that the knee lever (3) fixes the actuating element (2) in an overextended position, wherein a fixed counter support (4) is attached at the overextended side of the knee lever (3).

Abstract: A joining device for a bonded connection by means of a filler material has a feeding device for a wire as the filler material, which is configured to feed the wire during operation of the joining device at a predetermined speed of advance, and a guiding device for an energy beam with at least two partial beams for the melting of the wire. The joining device has a first measuring sensor for detecting a lateral deflection of the wire and a second measuring sensor for detecting a quantity related to the advancement of the wire, wherein the guiding device for the energy beam is connected to the first and the second measuring sensor and configured such that the energy beam is deflected and/or focused in dependence on the output signals of the first and second measuring sensor.

Abstract: The invention relates to a cast iron cast part, in particular a cast crankshaft (1), having a first layer (3) made of ausferrite, and a second layer (4) adjoining the interior (5) made of ausferrite and troostite.

Abstract: A brake system of a motor vehicle can activate a brake when an activation condition exists. The braking effect is reduced when a deactivation condition exists. It is suggested that at least one property of the reduction of the braking effect, e.g., the duration or the gradient of the reduction, be at least temporarily a function of a longitudinal inclination of the motor vehicle.

Abstract: A device for electrical interconnection of cells (12) of a battery pack (11) by means of cell connectors (15) and a battery pack (11) having such cell connectors (15) are distinguished as being convenient for assembly and functionally reliable in that at least one mounting plate (16), which can be latched on the battery pack (11) in a mounting frame (17), is fitted with cell connectors (15) which are electrically isolated from one another, on the basis of the geometric requirement of cell poles (13) to be interconnected to one another, which cell connectors (15) each have flexible brackets (19) for their apex areas (23) to make elastic contact with the end surfaces (26) of cell poles (13). The brackets (19), which are supported by one flank in the form of a flexible spring on the mounting plate (16), are part of a stamped grid, which also comprises conductor tracks (32) which are integrally connected thereto, for example for connection of a battery management means.

Abstract: The invention relates to a control method for a steering system with electric power assistance, comprising a steering wheel, an electric power assist motor, an electric control unit, which includes a memory for storing digital data, a motor driver unit which based on a target engine torque that is delivered to the motor driver unit, determines and sends out electrical signals for controlling the electric power assist motor, at least one sensor device for determining a control variable introduced into the steering wheel, for example a manual torque, wherein in the control unit with the help of the control variable a preset value is determined for a engine torque of the power assist motor, characterised in that in the memory an upper threshold value for the target engine torque is stored and for a case A, in which the preset value exceeds the upper threshold value, the control unit sends out the upper threshold value as the target engine torque to the motor driver unit and in a case B, in which the preset value

Abstract: A device for exhaust gas heat utilization in internal combustion engines of motor vehicles includes an exhaust gas line which in sections includes a first exhaust gas flow duct and a second exhaust gas flow duct connected in parallel. A valve flap is movable between a closed position and an open position, which can selectively close or at least partly clear a flow cross-section of the first or second exhaust gas flow duct. At least one thermoelectric generator module is thermally coupled with the second exhaust gas flow duct and with a cooling circuit. The device also includes an expansion material actuator for temperature-dependent actuation of the valve flap.

Abstract: The invention relates to a seat occupancy sensor (10) comprising at least two switch elements (12, 14) which can be activated by pressure. Said elements can be associated with the surface of a seat and are arranged at a certain distance from each other in such a manner that a first switch element (12) is associated with a first area of the seat and a second switch element (14) is associated with a second area of the seat. According to the invention, the first and second switch elements (12, 14) are connected to each other in such a manner that a logical AND-linkage is produced. The first and second switch elements are, for example, serially connected in a particularly simple embodiment of the invention.

Abstract: A bearing device comprising: an at least partially hollow structural element having a first wall region provided with an opening and a second wall region, the first and second wall regions being located opposite one another; and a punching bushing provided for bearing at least one separate component, the punching bushing comprising a punching blade being in jam contact with a punched out opening of the second wall region such that the punching bushing connects the first and second wall regions.

Abstract: A side sill of a body of a motor vehicle of sheet metal shell construction is composed of a sheet metal outer shell and a sheet metal inner shell which are welded to one another. A rolled profile for stiffening can be inserted into the side sill from an open end side and can be fastened to the side sill. In this way, a side sill can be stiffened by assembling the rolled profile after the basic construction of the body of the motor vehicle.

Abstract: A vehicle seat including a backrest which has a middle part laterally confined by side walls; an airbag module arranged in one of the side walls; adjusting means for adjusting the width of the backrest. The adjusting means have an adjusting element, which is arranged together with the airbag module in the side wall and movable relative to the middle part, via which the position of the side wall is changeable relative to the middle part. The adjusting element is connected to a section of the module housing of the airbag module so that the module housing is moved by moving the adjusting element.

Abstract: An airbag arrangement for restraining an occupant of a motor vehicle. The vehicle roof is bounded by lateral roof edge regions extending parallel to the longitudinal axis of the vehicle and also bounded by a front window cross member extending transversely with respect to the longitudinal axis of the vehicle. A first section of the folded-up airbag can be arranged along a lateral roof edge region. A second section can be angled away from the first section transversely with respect to the longitudinal axis of the vehicle, wherein the second section of the airbag is arranged along a longitudinal side of the front window cross member. The airbag can be disconnected from the vehicle body in the region of the second section or be connected releasably thereto when the airbag is deployed. Therefore, when the airbag is deployed, the entire second section can be deployed freely.

Abstract: The invention refers to a method for monitoring a communication media access schedule of a communication controller (5) of a communication system (1) by means of a bus guardian (6). The communication system (1) comprises a communication media (2) and nodes (3) connected to the communication media (2). Each node (3) comprises a communication controller (5) and a bus guardian (6) assigned to the communication controller (5). Messages are transmitted among the nodes (3) across the communication media (2) based on a cyclic time triggered communication media access scheme.