Abstract: A system includes a multi-level inverter configured to convert DC power to AC power to drive a motor, wherein the multi-level inverter includes: a first printed circuit board for a two-level inverter; a power module electrically connected to the first printed circuit board; and a second printed circuit board electrically connected to the power module and to the first printed circuit board, wherein the second printed circuit board includes: one or more switches; one or more capacitors electrically connected to the one or more switches; and one or more controllers to control the one or more switches.

Abstract: A system includes a power conversion unit, wherein the power conversion unit includes: a power module; and a first cooling module configured to extract heat from the power module, wherein the power module includes: a printed circuit board; and a switching power device embedded within the printed circuit board, wherein the first cooling module is directly attached to a first end of the printed circuit board.

Abstract: A system includes a power conversion unit, wherein the power conversion unit includes: a power module; and a first cooling module configured to extract heat from the power module, wherein the power module includes: a printed circuit board; a switching power device embedded within the printed circuit board; and a first external isolation layer external to the printed circuit board, wherein the first cooling module directly contacts the first external isolation layer.

Abstract: A power conversion system includes a power converter including a plurality of switches, one or more capacitors, and a charging connector, wherein the power converter is configured to operate in each of a two-level inverter mode, a three-level inverter mode, a two-level converter mode, a three-level converter mode, an AC-DC onboard charger (OBC) mode, and a DC-DC boost converter mode.

Abstract: A system for an electric vehicle includes: a first heat sink including a cooling pipe extending in an axial direction; a housing including a port to receive the cooling pipe, the port including an alignment feature; and a second heat sink between the first heat sink and the housing, the second heat sink including an opening to cooperate with the alignment feature of the port to align the second heat sink with the housing.

Abstract: A system for an electric vehicle includes: a first heat sink including a first mounting hole extending through the first heat sink; a second heat sink positioned adjacent to the first heat sink in an axial direction; and a spacer between the first heat sink and the second heat sink to set a distance between the first heat sink and the second heat sink, the spacer including: a flange that is coupled to both the first heat sink and the second heat sink, the flange having a thickness in the axial direction, and a protrusion extending away from the flange, the protrusion received by the first mounting hole of the first heat sink.

Abstract: A wheel cover apparatus for a vehicle includes an upper planar section for at least partially covering the wheel outer side of a steerable wheel, a lower planar section for at least partially covering the wheel outer side of the steerable wheel, an adjustment device for adjusting a position and/or orientation of the upper planar section and a positioning device for positioning the lower planar section. The upper planar section can be arranged on a body of a vehicle so as to be pivotable about a first pivot axis extending in the longitudinal direction of the vehicle. The upper planar section and the lower planar section are connected to each other so as to be pivotable about a second pivot axis extending in the longitudinal direction of the vehicle. The upper planar section is coupled to the adjustment device in such a manner that, in a functional installed state in the vehicle, the upper planar section is movable relative to the wheelhouse by means of the adjustment device.

Abstract: A system includes an inverter including: a first three-phase inverter including three legs, wherein each leg of the three legs is to be connected to a first node of a voltage source, to be connected to a second node of the voltage source, and to be connected to a first end of a respective phase winding among the three phase windings of the motor; a breaker switch including a first connection and a second connection, the first connection connected to the second node of the voltage source; and a second three-phase inverter including three legs, wherein each leg of the three legs is to be connected to the first node of the voltage source, connected to the second connection of the breaker switch, and to be connected to a second end of the respective phase winding among the three phase windings of the motor.

Abstract: A system includes: an inverter configured to convert DC power from a voltage source to AC power to drive a motor including a plurality of windings, wherein the inverter includes: a first inverter to be connected to a first end of a first winding of the plurality of windings and a first end of a third winding of the plurality of windings; a second inverter to be connected to a first end of a second winding of the plurality of windings and a second end of the first winding of the plurality of windings; and a third inverter to be connected to a second end of the third winding of the plurality of windings and a second end of the second winding of the plurality of windings.

Abstract: The disclosure relates to a method for operating an internal combustion engine. The internal combustion includes an intake manifold via which a cylinder can be supplied with fresh air, an inlet valve via which, when it is open, the fresh air can flow from the intake pipe into the cylinder, and a variable valve drive by means of which the opening duration or the relative timing of the inlet valve event is variable in relation to a crankshaft position. During a starting of the internal combustion engine, when the intake manifold pressure differs from the intake manifold desired pressure, a filling pilot control of the cylinder is undertaken by the variable valve drive by the fresh air supply being reduced in comparison to the fresh air supply at the intake manifold desired pressure. The disclosure further relates to a control device for an internal combustion engine that enables low-emission operation.

Abstract: A door device for connecting a container having a container flange with a plurality of radial flanges distributed around its circumference to an isolation chamber includes a door reversibly movable from a closed position, in which it closes a passage opening of the door device, to an open position, in which it uncovers the passage opening, and an interface of a closure, in particular a first bayonet closure for fastening a lid attached to the container. The device further includes a frame having axial grooves for receiving the radial flanges of the container and a cover reversibly movable from an insertion position in which it releases the axial grooves for insertion and withdrawal of the radial flanges to a locking position in which it locks the axial grooves against withdrawal of the radial flanges to lock the container to the door device.

Abstract: An electric drive system in a battery electric vehicle (BEV) includes an output shaft, configured to couple with a drive wheel of the BEV, having a face gear at a distal end; a differential, including a pinion gear cage receiving pinion gears rotatably connected to the pinion gear cage via gear pins; and a housing that receives the differential having an outer surface that is configured to couple to a rotating electrical machine of the BEV, wherein the pinion gears engage the face gear and permit angular displacement of the output shaft relative to another output shaft.

Abstract: An electric drive system in a battery electric vehicle (BEV) includes an output shaft, configured to couple with a drive wheel of the BEV, having a face gear at a distal end; a differential, including a pinion gear cage receiving pinion gears rotatably connected to the pinion gear cage via gear pins; and a housing that receives the differential having an outer surface that is configured to couple to a rotating electrical machine of the BEV, wherein the pinion gears engage the face gear and permit angular displacement of the output shaft relative to another output shaft.

Abstract: A system for an electric vehicle includes: a first heat sink including a first mounting hole extending through the first heat sink; a second heat sink positioned adjacent to the first heat sink in an axial direction; and a spacer between the first heat sink and the second heat sink to set a distance between the first heat sink and the second heat sink, the spacer including: a flange that is coupled to both the first heat sink and the second heat sink, the flange having a thickness in the axial direction, and a protrusion extending away from the flange, the protrusion received by the first mounting hole of the first heat sink.

Abstract: A system for an electric vehicle includes: a first heat sink including a cooling pipe extending in an axial direction; a housing including a port to receive the cooling pipe, the port including an alignment feature; and a second heat sink between the first heat sink and the housing, the second heat sink including an opening to cooperate with the alignment feature of the port to align the second heat sink with the housing.

Abstract: A beta container for an alpha-beta port system includes a sheath for receiving transport material and a flange part having a through opening for transferring the transport material from and/or into the sheath, a first interface for a reversible connection to an alpha connection of the port system, and a second interface for releasable attachment of a beta cover for closing the through opening. An edge of the sheath is connected with a first surface of a ring which encompasses a jacket surface of the flange part, the first surface and the jacket surface having different materials. An elastic bellows may be fastened to the flange part such that, in the relaxed state, it engages over the second interface and/or projects out of the through-opening on the side facing away from the sheath, and such that it can be compressed. At least one transponder for transmitting an identification may be arranged on the flange part.

Abstract: Aspects of the present disclosure relate to a piezoelectric device having at least one piezoelectric element, which has a support plane oriented to a force introduction element, wherein in the event of a thermal loading of the piezoelectric device in the support plane, expansion differences between the piezoelectric element and the force introduction element occur. To compensate for shear loadings, at least one transition element is arranged between the piezoelectric element and the force introduction element, the E-module of which is smaller than the E-module of the piezoelectric element in the support plane.

Abstract: The disclosure relates to a method for operating an internal combustion engine. The internal combustion includes an intake manifold via which a cylinder can be supplied with fresh air, an inlet valve via which, when it is open, the fresh air can flow from the intake pipe into the cylinder, and a variable valve drive by means of which the opening duration or the relative timing of the inlet valve event is variable in relation to a crankshaft position. During a starting of the internal combustion engine, when the intake manifold pressure differs from the intake manifold desired pressure, a filling pilot control of the cylinder is undertaken by the variable valve drive by the fresh air supply being reduced in comparison to the fresh air supply at the intake manifold desired pressure. The disclosure further relates to a control device for an internal combustion engine that enables low-emission operation.

Abstract: A wheel cover apparatus for a vehicle includes an upper planar section for at least partially covering the wheel outer side of a steerable wheel, a lower planar section for at least partially covering the wheel outer side of the steerable wheel, an adjustment device for adjusting a position and/or orientation of the upper planar section and a positioning device for positioning the lower planar section. The upper planar section can be arranged on a body of a vehicle so as to be pivotable about a first pivot axis extending in the longitudinal direction of the vehicle. The upper planar section and the lower planar section are connected to each other so as to be pivotable about a second pivot axis extending in the longitudinal direction of the vehicle. The upper planar section is coupled to the adjustment device in such a manner that, in a functional installed state in the vehicle, the upper planar section is movable relative to the wheelhouse by means of the adjustment device.

Abstract: A device for producing a plurality of images for assisting in characterizing skin lesions, the device includes a capturing unit for selectively illuminating and capturing recordings of an area of skin presenting a skin lesion, the capturing unit comprising magnifying optics providing at least 160× optical magnification of the area of skin for capturing morphological structures of the skin lesion; a focusing unit associated with the magnifying optics and configured to place a focal plane of the magnifying optics in a plurality of different depth planes below a skin surface of the area of skin starting from the skin surface; a control unit configured to control the focusing unit or the capturing unit and preferably controlling them in such a manner that the capturing unit captures a recording when the focal plane is located in a respective depth plane; and a processing and output unit for image production based on the image information provided by the capturing unit.