Abstract: A valve assembly for an electrical refrigerant compressor of a motor vehicle, comprising: a flexurally elastic valve plate for the pressure-regulated opening and closing of an outlet opening of the refrigerant compressor; and a rigid stop plate for limiting the movement of the valve plate, the stop plate and the valve plate being in the form of a preassembled component.

Abstract: A stator for an electric motor has a stator base body, which has stator teeth arranged in a star shape and a stator yoke, and on whose outer circumference a number of axial slots are provided, into which joining elements projecting radially from the circumference of the stator base body are radially inserted in a form-fitting manner.

Abstract: A scroll compressor of an electrical refrigerant drive contains a housing having a low-pressure chamber, a high-pressure chamber, compression chambers and a counter-pressure chamber. A stationary scroll has a base plate and a spiral wall, the base plate of the stationary scroll delimits the high-pressure chamber. A movable scroll has a base plate and a spiral wall which engages into the spiral wall of the stationary scroll and forms the compression chambers with the spiral wall. The base plate of the movable scroll delimits the counter-pressure chamber. A first fluidic connection is provided which connects the counter-pressure chamber to the radially innermost compression chamber, and the first fluidic connection is located in a positioning region of the radially innermost compression chamber between 75° to 195° following the merge angle.

Abstract: A stator contains a stator assembly having a number of stator teeth, which are provided with coils of a multi-phase stator winding, and a contact device for interconnecting axially orientated coil ends of the coils with a number of phase connections. The contact device has an interconnection ring fitted on the stator assembly on the end side and has integrated bus bars for interconnecting the coils with the phase connections. The contact device has a ring cover fitted on the interconnection ring. The interconnection ring has a number of axial through-openings corresponding to the number of coils ends, through which the coils ends are guided. The bus bars have contact tabs at the ends of the bar, which are arranged in a region of the through-openings, and on which a respective coil end is contacted. The ring cover covers the coil ends and contact tabs.

Abstract: An electric motor, in particular for an oil pump, comprising a rotor and a stator, wherein the stator has through-openings, which are continuous in the axial direction, for screw elements, and comprising a functional support, which is arranged on an end face with respect to the axial direction of the stator and which has a contoured contact section for the stator and screw receiving areas for the screw elements. The screw receiving areas protrude out of the contoured contact section for the stator in the axial direction, and the screw receiving areas are received in the through-openings.

Abstract: A method produces an injection molded part. A plastic material is injected into a cavity for forming the injection molded part. The plastic material in a flow line region of the cavity, where the plastic material from two directions coincides during an injection molding process, is at least partially removed from the cavity via at least two overflow points and, in so doing, is locally swirled or mixed between the overflow points.

Abstract: A method dynamically balances a rotational body. First, the rotational body is set into rotation and then an imbalance of the rotational body is determined. According to the determined imbalance, material of the rotational body is removed and/or additional material is applied to the rotational body. The removal and/or the application is carried out by a laser beam of a laser.

Abstract: A stator of an electrical coolant drive includes a stator assembly having a number of stator teeth that are provided with coils of a multi-phase stator winding, and a contact device disposed on the stator assembly on an end side for interconnecting the coils with the phase connections. A deflection region is provided on the outer periphery of the contact device in the region of an inlet of the coolant drive for a fluid flowing in through the inlet. A contact device and an electric coolant drive are also provided.

Abstract: Methods of manufacturing a plurality of components during an additive manufacturing process by means of a powder including particles, which is at least locally melted in order to form the plurality of components. The plurality of components can be formed in a component layer extending along a manufacturing plane, in which a first component lies adjacent to a second component of the component layer at least in a spatial direction along the manufacturing plane. In this connection it is proposed to provide a gap having a gap width between the first component and the second component of the component layer, which is predefined using a particle size distribution of the particles in the powder.

Abstract: An electric motor which is designed as an internal rotor, comprising a laminated stator core and a functional support which is arranged on a rear side that faces away from an output side of the laminated stator core. The functional support includes a plastic housing and connecting elements which are integrated in the plastic housing and protrude therefrom in the axial direction of the laminated stator core. The functional support is interlocking and/or integrally connected to the laminated stator core in the axial direction at a lateral outer surface of the laminated stator core by means of the connecting elements.

Abstract: A control device for regulating a volume flow of a fluid in a drive train of a motor vehicle includes a torque monitoring unit, set up to determine, on the basis of a characteristic diagram of the pump which describes a functional dependency of the torque to be applied by the drive motor on the rotational speed of the drive motor for a predetermined fluid state of the fluid, a current torque deviation occurring between the current torque and the torque given by the characteristic diagram for the current rotational speed, and a correction unit, set up to correct a power setting signal for the drive motor in accordance with the current torque deviation and to provide a corrected power setting signal, and a power regulation unit, set up to generate a second power setting signal for actuating the drive motor on the basis of the corrected power setting signal.

Abstract: A 3D printing device includes at least one printing nozzle for a layer-by-layer application of a printing material provided for the production of a component to be printed along a direction of application (R). The 3D printing device has a temperature control device that is configured and provided both to cool and warm already applied printing material in the region of the printing nozzle.

Abstract: A 3D printing device for building up a three-dimensional workpiece layer-by-layer includes a first side having a removal area in which a workpiece is built up by the printing device, wherein the removal area provides manual removability of the workpiece therefrom; a second side having a workpiece output from which the workpiece is removable; and a conveying device configured to remove the workpiece from the removal area in an automated way.

Abstract: A rotor of an electric motor, in particular for a power steering system, including a rotor shaft, which is directed in an axial direction, and a number of rotor cores, which are arranged coaxial to each other along the rotor shaft, and an intermediate ring arranged between two rotor cores arranged adjacent to each other in the axial direction, which intermediate ring holds the adjacent rotor cores interlockingly in a crossed orientation relative to each other.

Abstract: A cooling fan module may include a fan assembly and a shroud. The fan assembly including a number of fan blades and the shroud including a first sidewall and a first ring. The first sidewall defining an opening and the first ring extending in an axial direction from the first sidewall. The first ring including an inner periphery provided with a number of first serrations, each serration of the number of first serrations extending in a radial direction. The radial direction is substantially orthogonal to the axial direction.

Abstract: The cooling pack assembly includes, a shroud, a fan, a first heat exchanger, and a second heat exchanger. The shroud has a plurality of sidewalls including a main sidewall. The shroud further defines an aperture. The fan is disposed within the aperture. The fan is configured to rotate about a rotational axis. The rotational axis is normal to a plane defined by the main sidewall. The first heat exchanger is disposed on at least one of the plurality of sidewalls. The first heat exchanger has a first cross-sectional area substantially parallel to the plane. The second heat exchanger is disposed on at least one the plurality of sidewalls. The second heat exchanger has a second cross-sectional area substantially parallel to the plane. The second cross-sectional area is less than the first cross-sectional area, and the first heat exchanger is disposed between the fan and the second heat exchanger.

Abstract: An electronic unit, in particular for an electric fluid pump of a motor vehicle, having a functional element for holding electronics, and a heat sink arranged on the functional element, wherein the functional element and the heat sink are sealed from one another in fluid-tight fashion by means of a cured sealing compound of a liquid seal, and wherein the functional element has at least one ventilation opening, which is open in the course of a curing process for the sealing compound, and which, after the curing process, is sealed in fluid-tight fashion by means of a closure element.

Abstract: A cooling system for a vehicle including an air duct having an inlet funnel configured to connect to a vehicle grill, a heat-exchanger seat defining an outlet window, and an upper panel extending from the inlet funnel over top of the outlet window. The upper panel defines an intake. At least one heat exchanger is received on the heat-exchanger seat. A cooling fan assembly is disposed under the at least one heat exchanger and includes a shroud and a fan.

Abstract: The invention relates to an electric motor (2) comprising a switching unit (8) having a number of contact wires (24) arranged in relation to a connection ring (22) for coil ends of a stator winding, and comprising an annular frame part (28) having a number of sockets (30) into each of which an insulation-displacement contact (14) with an insulation-displacement slot (52) can be inserted or is inserted, between two insulation-displacement limbs (54) for making terminal contact with at least one w ire end (26) of the contact wires (24), said sockets (30) each comprising a socket slot (38), on opposing socket walls (36), which is flush with the insulation-displacement slot (52) of the insulation-displacement contact (14) plugged into said socket (30), and the two socket walls (36) of each socket (30) each have a first clamping contour (42) protruding into the socket slot (38), for each wire end (26) received in the socket slot (38).

Abstract: A method for operating a brushless and sensorless multi-phase electric motor. At least two phase voltages and at least two phase currents of the electric motor are determined. A voltage vector is determined from the phase voltages and/or a current vector is determined from the phase currents. A position substitute signal is determined as a measure of a rotor position on the basis of an angle of the current vector and/or of the voltage vector. A rotation value is calculated on the basis of the position substitute signals, and the electric motor is controlled by open-loop and/or closed-loop technology on a basis of the rotation value.