Abstract: A multi-functional spacer element for spacing at least one printed circuit board from an opposite spacing surface. The spacer element can not only accomplish the spacing of one or more printed circuit boards, but can also support a fastening function to a carrier element and an electrical ground connection. A passageway extends through the main body. The spacer element includes a press-in element. The spacer element 1 includes an electrically conductive material for electrically conducting from at least a first contact surface to the press-in element.

Abstract: A torque vectoring device for a drive axle of a vehicle including an electric torque vectoring motor, a planetary gear and a layshaft being configured to be coupled to a cage of a differential gear, the planetary gear including a first output being configured to be coupled to one of a left or right wheel drive shaft and a second output being coupled to the layshaft. The torque vectoring motor is forming a first torque flow path with the planetary gear and the layshaft and a second torque flow path with the first output of the planetary gear, wherein the first torque flow path and the second torque flow path are kinematically arranged in parallel. The layshaft is arranged eccentric with the first output of the planetary gear.

Abstract: A subassembly for an electrical component includes: a first plate including: a wall, stepped walls extending from opposite sides of the wall, flange elements extending outwardly from the stepped walls, each flange element defining an engagement slot; a first heatsink positioned on the wall between the stepped walls; a second heatsink; a power module between the first heatsink and the second heatsink; and a second plate including: a plate wall extending across the second heatsink, transition walls extending from opposite sides of the plate wall, and prongs extending from the transition walls toward the first plate and substantially perpendicular to an inner surface of the plate wall in contact with the second heatsink, wherein the prongs are aligned with and configured to engage the engagement slots.

Abstract: A method for estimating energy consumption of a vehicle includes receiving, from a remotely located computing device, standardized energy consumption data corresponding to at least one other vehicle, the standardized energy consumption data corresponding to energy consumption of the at least one other vehicle as a function of speed. The method further includes generating a scaling factor by comparing the energy consumption data corresponding to the energy consumption of the vehicle as a function of speed with the standardized energy consumption data. The method further includes scaling the standardized energy consumption data to generate a profile of the energy consumption efficiency of the vehicle. The method further includes generating a signal to selectively adjust at least one of a speed of the vehicle, at least one route characteristic of a portion of a route being traversed by the vehicle, and a torque demand of the vehicle.

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 inverter assembly may include a housing with a base and side walls, wherein one of the side walls includes an opening extending through the wall, and wherein the side walls form a periphery around an interior of the housing. An inverter assembly may include a header with a body, the body having a first end and a second end, wherein the body further includes a flange disposed between the first end and the second end, and wherein a portion of the body extends through the opening such that the flange abuts the side wall. An inverter assembly may include a bracket positioned within the interior of the housing and coupled to the housing. An inverter assembly may include a choke that is fully enclosed in a circumferential direction, wherein the choke is positioned within the bracket and against an inner surface of the bracket facing the opening.

Abstract: A system includes: an inverter including: a first galvanic interface to separate a first high voltage area from a low voltage area; a first low voltage controller in the low voltage area, the first low voltage controller configured to send a first control signal using the first galvanic interface to a first high voltage controller in the first high voltage area; a second galvanic interface to separate a second high voltage area from the low voltage area; and a second low voltage controller in the low voltage area, the first low voltage controller configured to send a second control signal using the second galvanic interface to a second high voltage controller in the second high voltage area, wherein the second low voltage controller is configured to provide an output latch signal to the first low voltage controller and receive an input latch signal from the first low voltage controller.

Abstract: An inverter may include a housing having a body and a protruding rim extending from the body, wherein the protruding rim surrounds a cavity that extends through to the body. An inverter may include one or more electrical receptacles, wherein the one or more electrical receptacles are disposed within the cavity such that a portion of at least one of the one or more electrical receptacles extends above the protruding rim. An inverter may include a metal sheet, wherein the metal sheet is molded to an inner surface of the protruding rim such that the protruding rim extends past the metal sheet, and wherein the metal sheet circumferentially surrounds the cavity.

Abstract: A system includes an inverter including: a first galvanic isolator separating a primary voltage area from a secondary voltage area; a second galvanic isolator separating the primary voltage area from the secondary voltage area; a first bias network in the secondary voltage area, and connected to the first galvanic isolator; a second bias network in the secondary voltage area, and connected to the second galvanic isolator; a first amplifier in the secondary voltage area, and connected to the first bias network; a second amplifier in the secondary voltage area, and connected to the second bias network; and an open connection detector in the secondary voltage area, the open connection detector connected to the first amplifier and connected to the second amplifier, wherein the open connection detector includes one or more voltage-to-current converters.

Abstract: An electric motor includes a stator and rotor. The stator includes a stator core defining a stator bore, and a plurality of windings having end turns extending from the stator core. This includes a central region configured to be disposed in the stator bore, and first and second end regions extending from the central region and aligned with the end turns of the plurality of windings. The rotor defines a cooling bore in fluid communication with a low-pressure cooling fluid source and includes a plurality of cooling jets in fluid communication with the cooling bore and disposed in the first and second end regions. The plurality of cooling jets extends radially outward such that each cooling jet is configured to pull cooling fluid through the cooling bore and eject cooling fluid toward the end turns in response to centrifugal force caused by rotation of the rotor within the stator bore.

Abstract: A stator for an electric machine comprises a cylindrical core defining an inner cylindrical surface and an outer cylindrical surface with a plurality of slots formed between the inner cylindrical surface and the outer cylindrical surface. Windings are positioned on the cylindrical core. The leads of the windings include a plurality of inner leads associated with conductors in an inner layer of the slots and a plurality of outer leads associated with conductors in an outer layer of the slots. A bus bar assembly includes a plurality of inner bus bars and a plurality of outer bus bars, the plurality of inner bus bars connected to the plurality of inner leads, and the plurality of outer bus bars connected to the plurality of outer leads. The plurality of outer bus bars are positioned radially outward from the end turns of the windings and radially inward from the outer cylindrical surface.

Abstract: Described is a heating plate having a substrate made of metal, a heating layer and an insulation layer which is arranged between the heating layer and the substrate. It is provided according to this disclosure that the insulation layer bears an electrically conductive shielding layer and that the shielding layer is covered by a second insulation layer on which the heating layer lies. In addition, a flow heater having such a heating plate is disclosed.

Abstract: An entryway system includes a divided volute turbocharger having variable turbine geometry (VTG). The turbocharger includes a turbine housing, first and second volutes separated by a wall having a first and second tongue, and a turbine housing outlet. The system also includes a turbine wheel disposed in the turbine housing and a vane ring disposed in the turbine housing between the turbine wheel and the volutes. The system includes design modifications of one or more of the VTG components and/or locations of such components to manipulate the aerodynamic forces and/or subsequent mechanical loads in the VTG mechanism of the entryway system to mitigate VTG component wear during normal usage.

Abstract: The invention relates to a hybrid power drive system, comprising: an internal combustion engine having a crankshaft; a first electric motor (14), wherein the first electric motor (14) is an outer rotor electric motor, and comprises an outer rotor (14.2) that is rigidly connected to the crankshaft and rotates together with the crankshaft; a transmission (15) comprising an input shaft (20); and a clutch (18) that is provided between the first electric motor (14) and the transmission (15), and is connected to the input shaft (20) of the transmission. The clutch (18) is configured to be capable of switching between the following positions: an engagement position where the clutch (18) is engaged with the outer rotor (14.2); and a separation position where the clutch (18) is separated from the outer rotor (14.2). The present system is simple in structure, high in efficiency, and low in manufacturing and maintenance costs.

Abstract: A stator for an electric machine includes a core and a multi-phase winding arrangement positioned on the core. Each phase of the winding arrangement includes a plurality of parallel paths defining a plurality of poles for the electric machine. Each parallel path includes a plurality of coils positioned on the core, each coil defined by coil legs and end turns. The coil legs include left legs and right legs extending through the slots of the core. The left legs and right legs of each coil are connected by first end turns at one end of the core and second end turns at an opposite end of the core. Each pole of the electric machine is associated with a pole slot set comprised of multiple slots on the stator core. For each pole slot set, legs for each parallel path extend through one of the slots of said pole slot set.

Abstract: A recirculation fan turbocharger assembly (23) recycles hydrogen and supplies air in a fuel cell system. The assembly (23) includes a fan (25), a compressor (27), and an electric drive (31) and/or a turbine (29). The fan (25) has an impeller (255) which is designed to convey a hydrogen containing recycle stream (250) to a fuel cell unit (1). The compressor (27) has a compressor wheel (275) which is designed to compress an air stream (270) for a fuel cell unit. The compressor wheel (275) and the impeller (255) are coupled to one another in a rotationally fixed manner. The electric drive (31) and/or a turbine (29) is/are designed to drive the impeller (255) and the compressor wheel (275) simultaneously.

Abstract: A bulk capacitor assembly for an inverter includes a stacked busbar, the stacked busbar including a first direct current (DC) busbar and a second DC busbar; one or more first capacitors on a first side of the stacked busbar, the one or more first capacitors electrically connected to the first DC busbar and the second DC busbar; and one or more second capacitors on a second side of the stacked busbar, the first side being opposite to the second side, the one or more second capacitors electrically connected to the first DC busbar and the second DC busbar.

Abstract: A system comprises an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a galvanic isolator separating a high voltage area from a low voltage area; a low voltage phase controller in the low voltage area, the low voltage phase controller configured to receive a pulse width modulation (PWM) signal from an inverter controller and adjust the received PWM signal based on a feedback signal; and a high voltage phase controller in the high voltage area, the high voltage phase controller configured to receive the adjusted PWM signal from the low voltage phase controller, provide the adjusted PWM signal to a phase switch, and provide the feedback signal based on an on-time measurement of the phase switch.

Abstract: A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a first phase switch including one or more first phase power switches on a first side of a substrate; and a second phase switch including one or more second phase power switches on a second side of the substrate opposite to the first side.

Abstract: A system comprises: one or more point-of-use controllers configured to: assert a command-on signal to load a first turn-on gate driver profile; control, based on the loaded first turn-on gate driver profile, a gate driver to begin a first phase of a turn-on operation; receive a first power switch signal based on one or more of a detected voltage or a detected current; perform a comparison of the received first power switch signal to a first turn-on threshold value; load a second gate turn-on driver profile when the comparison indicates the first power switch signal is greater than the first turn-on threshold value; and control, based on the loaded second turn-on gate driver profile, the gate driver to end the first phase of the turn-on operation and begin a second phase of the turn-on operation.