Abstract: An aluminum strip for a component, in particular a brazing component, in particular a tube or a disk, includes a profile having a brazing connection, wherein in at least one area, in particular in the area of the brazing connection: a first part of the strip thickness is taken up by a core layer of a first aluminum alloy; at least a second part of the strip thickness is taken up by at least one plating layer of a second aluminum alloy, wherein the first and the second aluminum alloy are configured to form a “brown band” layer during a brazing process; and at least a third part of the strip thickness is taken up by at least one “brown band” layer that is formed out of the first and the second aluminum alloy during the brazing process, and wherein a strip thickness of the aluminum strip is less than 500 ?m and a thickness of the core layer and/or a thickness of the plating layer is configured such that after the brazing process at least 5% of the strip thickness that is taken up by the first aluminum alloy of t

Abstract: A ring carrier for a piston for an internal combustion engine is formed by a carrier body having an outer circumferential surface, an inner circumferential surface, a top surface and a bottom surface, with at least one ring groove formed in the outer circumferential surface. An outer circumferential portion of the ring carrier is formed of gray iron, and an inner circumferential portion is formed of ductile iron. A transition region between the outer circumferential portion and the inner circumferential portion intersects upper and lower flanks of the ring groove, so that an outer circumferential extent of the flanks is formed of gray iron and an inner circumferential extent of the flanks is formed of ductile iron.

Abstract: An inductive charging device for a partially or fully electrically operated motor vehicle is disclosed. The inductive charging device includes a temperature control arrangement including at least one fluid tube, and a charging arrangement including a charging coil and a battery. The charging coil is arranged in a heat-transmitting manner on the at least one fluid tube, such that waste heat generated in the charging coil is transferred to the fluid in the at least one fluid tube. In a charging state of the charging arrangement, the charging coil is inductively coupled with an external primary coil, and in the charging coil an induction alternating current flows, via which the battery is charged. The charging arrangement can be switched to a heating state where the charging coil is connected to the battery in a current-conducting manner and a heating direct current flows in the charging coil.

Abstract: A crimping frame or crimping base for a charge air cooler may include a circumferential raised rim including a plurality of crimping slots. The plurality of crimping slots may each include two longitudinal sides and two narrow sides. The two longitudinal sides may be disposed opposite one another and may extend parallel to the rim. The two narrow sides may be stiffened via a bent reinforcement. The bent reinforcement and the rim may be structured as a single piece.

Abstract: An evaporator for an air conditioning system includes an inlet manifold, an outlet manifold and a plurality of refrigerant tubes. The refrigerant tubes hydraulically communicate with the inlet manifold and the outlet manifold for a refrigerant flow. The inlet manifold includes a distributor tube with a plurality of orifices for equally aliquoting two phase refrigerant inside the inlet manifold. A mandrel is provided inside the distributor tube and a portion of the distributor tube with the inserted mandrel is flattened and bent toward an inlet port of the distributor tube for fitting the distributor tube within the inlet manifold. The mandrel is inserted into the distributor tube for preventing the distributor tube from collapsing when the distributor tube is flattened and bent.

Abstract: A waste heat utilization system for an electric vehicle having an electric motor and a battery may include a first cooling circuit in which a first coolant circulates and having arranged therein the electric motor, a first direct heat exchanger for discharging heat from the first coolant into surroundings of the system, and a first delivery device for driving the first coolant. The system may also include a second cooling circuit in which a second coolant circulates and having arranged therein the battery and a second delivery device for driving the second coolant. The system may also include an air conditioning circuit in which a working medium circulates, and having arranged therein a compressor, condenser, and evaporator.

Abstract: An electrical machine may include a rotor rotatable about an axis of rotation which defines an axial direction, a stator including a plurality of stator windings, a coolant collector chamber, and a coolant distributor chamber fluidically communicating with the coolant collector chamber via at least one cooling duct. At least one stator winding may be embedded into a plastic compound composed of an electrically insulating plastic. The stator may further include a stator body having a space. The at least one cooling duct may be arranged in the stator body and may be at least partially defined by at least one aperture disposed in the stator body through which the coolant is flowable. The at least one aperture may open towards the space and may be closed in a fluid-tight manner via the plastic compound.

Abstract: A filter element includes an upper end disc, a lower end disc, a filter material arranged between the upper end disc and the lower end disc, a dirt pot on the lower end disc, a pin attached at an attachment location and configured to be received within a channel in an installation orientation, the pin extending away from the attachment location along an axis, the pin having a base of a first width at the attachment location, the pin having a free end and a groove defined between the attachment location and the free end, the pin having a second width that defines a circumference of the groove, the second width approximately orthogonal to the axis, wherein the first width is greater than the second width, and an opening in the dirt pot.

Abstract: A stacked-plate heat exchanger may include a plurality of stacked plates. The plurality of stacked plates may include a plurality of first stacked plates and a plurality of second stacked plates stacked alternately one on top of another. Pairs of adjacent stacked plates may each delimit one of a first cavity for the passage of a first fluid and a second cavity for the passage of a second fluid in an alternating manner. The heat exchanger may also include a support structure that may support the plurality of stacked plates in an edge region to stabilize the second cavity. The plurality of stacked plates may each include a first opening and at least two second openings arranged around the first opening. The heat exchanger may also include a plurality of webs arranged between the at least two second openings. The plurality of webs may define the support structure.

Abstract: An air-conditioning system of a motor vehicle may include a channel system configured to allow air to flow therethrough during operation and at least one heat exchanger positioned within the main channel and configured to air-condition air supplied to a motor vehicle interior of the motor vehicle. The channel system may include a main channel. The system may include a sensor device configured to measure an air characteristic of air to be analysed. The sensor device may include an analysis channel which the air to be analysed can flow through, a generation device configured to generate electromagnetic waves penetrating the analysis channel, a sensor temperature-control space separated from the analysis channel, and a temperature-control channel configured to apply air-conditioned air to the generation device to control a temperature of the generation device. The generation device is at least partially arranged in the sensor temperature-control space.

Abstract: A valve for an internal-combustion engine may include a body. The body may include a titanium alloy. At least one region of the body may include a nitrided layer. The nitrided layer may include at least one of titanium nitrides and aluminium-titanium nitrides.

Abstract: An electric drive for a bicycle includes an electric motor having a drive shaft, a driven shaft connected in a rotationally fixed manner to a driving gear for coupling to a wheel drive of the bicycle. The electric drive includes a transmission, which drivingly connects the drive shaft to the driven shaft. The transmission has a driven wheel, which is connected in a rotationally fixed manner to the driven shaft in a rotational drive direction, and at least two output gears, the at least two output gears including a first output gear and a second output gear, which in each case engage with the driven gear offset to one another in the circumferential direction in order to drive the driven wheel; and wherein the transmission has a power distribution, which divides a drive power of the electric motor to the output gears.

Abstract: A method for manufacturing a piston of an internal combustion engine from a piston upper part and a piston lower part may include producing at least the piston lower part as a forged steel part. A partial cross section of a cooling duct may be provided in the piston lower part. A closed supply inlet funnel may be forged within the piston lower part. The closed supply inlet funnel may be bored into the piston lower part from the cooling duct. A borehole may be introduced into the piston lower part obliquely to a piston axis. The piston lower part and the piston upper part may be welded to one another.

Abstract: A heat exchanger, in particular exhaust-gas cooler, is described herein. The heat exchanger includes tubes of unipartite form or formed from two plates. The tubes form a first and a second fluid duct, and the respective fluid ducts are arranged adjacent to one another. The first fluid duct is designed to be open at at least one of its ends for the inflow and/or outflow of a first fluid. The second fluid ducts are closed at an end side of the tubes by way of an inward or outward step. The step has a greater extent T in the tube longitudinal direction in the corner regions of the tube than between the corner regions. Several non-limiting descriptive embodiments are disclosed herein.

Abstract: A motor vehicle air conditioning unit, having a housing with at least one air channel arranged therein and with at least one heat exchanger for conditioning the air in the at least one air channel, the housing having at least one first air outlet and one second air outlet, a first air outlet channel being assigned to the first air outlet and conducting air to the first air outlet, and a second air outlet channel being assigned to the second air outlet and conducting air to the second air outlet, a first vane valve and a second vane valve being provided. The first vane valve assigned to the first air outlet channel, and the second vane valve assigned to the second air outlet channel, the first vane valve and the second vane valve being rotatably fixedly connected to a shaft and being rotatable by an actuator driving the shaft.

Abstract: A liquid pump for conveying a liquid may include a housing, in which a pump impeller is arranged for conveying the liquid, and a cover for covering the housing. The cover may include a main connector for supplying a main flow of the liquid to the pump impeller and an auxiliary connector for supplying an auxiliary flow of the liquid to the pump impeller. The housing may have an inlet opening for the liquid and an annular collar protruding from an edge of the inlet opening. The cover may lie axially against the annular collar. The annular collar and the cover may define an annular wall surrounding a flow path of the main flow of the liquid. The annular wall may have at least one radial opening connecting the flow path with an inflow space surrounding the annular wall. The auxiliary connector may be fluidically connected with the inflow space.

Abstract: A PTC thermistor element for a tempering device may include a main body, which may have a positive temperature coefficient. The main body may have PTC thermistor components, a core, and ceramics components at least in the core. The PTC thermistor components may have a positive temperature coefficient, and the ceramics components may have a thermal conductivity of at least 2.5 W/mK. The ceramics components may be disposed in a distributed manner.

Abstract: The present disclosure describes a resistance soldering method for producing a plate assembly including at least two basic elements that are materially bonded together via a soldering device, e.g., for producing a winding of an electrical machine. The method includes applying an output voltage to a first electrode and a second electrode, between which the at least two basic elements are arranged, to solder a solder element interposed therebetween; detecting a correct or incorrect position of the solder element in the plate assembly via a control unit; determining via the control unit a voltage between the solder element and one or more points on the electric circuit. The control unit detects the correct or incorrect position of the solder element through an evaluation and/or a comparison with reference to the voltage or voltages.

Abstract: An axial piston machine may include a rotor rotatably mounted in a housing. A plurality of cylinders may be arranged in a ring around the rotor. A plurality of pistons may each be arranged within each of the plurality of cylinders and may be constructed and arranged to selectively translate within the plurality of cylinders. A plurality of inlet openings may be defined in a cylinder head and at least one outlet opening may be defined in the housing. The plurality of cylinders may be in operative communication with the plurality of inlet openings and the at least one outlet opening. An inlet channel may be defined in the cylinder head and may extend to each of the plurality of inlet openings. An outlet channel may be defined in the housing and may be in operative communication with the at least one outlet opening. A bypass channel may be defined in the housing and may extend from the cylinder head into one of the outlet channel or a swashplate space.

Abstract: A cooling arrangement may include a fluid-tight housing in which a power electronics system and a dielectric fluid for cooling the power electronics system may be arranged. The dielectric fluid may be in heat-transferring contact with the power electronics system and may cool the power electronics system via a fluid movement. The fluid movement may be provided via acceleration forces acting on the cooling arrangement.