Abstract: A wastegate assembly for controlling flow of exhaust gas includes a valve element having a valve body and a valve shaft. The wastegate assembly further includes a spindle having a head defining an opening and including a flat surface. The wastegate assembly further includes a washer coupled to the valve shaft and spaced from the spindle for securing the spindle to the valve shaft. The washer defines a bottom washer surface facing the flat surface of the spindle head, with the bottom washer surface including a flat region and a beveled region. A biasing member is disposed between the flat surface of the spindle and the flat and beveled regions of the washer. The beveled region extends oblique relative to the flat region for minimizing contact between the washer and the biasing member beyond the flat region.

Abstract: The invention relates to a method for carrying out a starting operation of a motor vehicle having a gear train that includes a dual clutch transmission with a first clutch that carries the odd-numbered gears, and a second clutch that carries the even-numbered gears, wherein the second clutch of the dual clutch transmission is used, at least in part, for preloading the gear train.

Abstract: A clutch device includes a clutch input hub which is connectable to a drive unit (24), a clutch output hub which is connectable to an electric machine and/or to a transmission, a clutch via which the clutch input hub can be selectively brought into rotary driving connection with the clutch output hub, and an actuating piston for hydraulically actuating the clutch, a chamber to which fluid may be applied being assigned to said actuating piston, wherein fluid can be applied to the chamber via a first rotary feedthrough between a stationary component and the clutch input hub and via a second rotary feedthrough between the clutch input hub and the clutch output hub. The first rotary feedthrough and the second rotary feedthrough are designed on the side of clutch input hub facing outward in radial direction. A drivetrain having the clutch device is also included.

Abstract: A friction material comprises a base and a friction generating layer penetrating into and integral with the base. The base presents a bonding surface. The friction generating layer presents a friction generating surface facing opposite the bonding surface of the base. The friction generating layer comprises fibrillated nanofibers, friction adjusting particles, and elastomeric particles. A curable resin is dispersed throughout the friction generating layer and the base of the friction material.

Abstract: A variable camshaft timing (VCT) assembly for controlling angular positions of concentric camshafts. The VCT assembly includes an independent VCT device and a dependent VCT device. The independent VCT device is hydraulically- or electrically-actuated. The independent VCT device is coupled with a first concentric camshaft and has a first component that rotates during phasing movements. The first component has a first set of slots therein. The dependent VCT device is coupled with a second concentric camshaft. The dependent VCT device has a second component that lacks rotation during phasing movements, and has multiple phase lugs. The second component has a second set of slots therein. The phase lugs are received in the first set of slots and are received in the second set of slots.

Abstract: A number of variations may include a product comprising a first electrical machine and a second electrical machine operatively connected to a gearbox; at least one axle assembly operably attached to the gearbox; wherein the first electrical machine and the second electrical machine are constructed and arranged to drive the gearbox; and wherein the gearbox is constructed and arranged to drive the axle assembly.

Abstract: A bearing heat shield, a turbomachine having a bearing heat shield and method for assembling such is disclosed. The bearing heat shield includes an outer annular ring extending around an outer circumference of the bearing heat shield, the outer annular ring has a flat surface and extends inward from an outer diameter measurement to a middle diameter measurement. The bearing heat shield further includes a concave surface, the concave surface being defined by a curvature and extending inward from the middle diameter measurement to an inner diameter measurement.

Abstract: A variable camshaft timing (VCT) phaser assembly and control valve are employed for use in an internal combustion engine. The VCT phaser assembly has a housing and a rotor. The control valve is installed at a location that is remote of the housing and rotor, and apart from a center bolt site of the housing and rotor. The control valve has a valve housing and a spool located in the valve housing. The valve housing has different ports for fluid communication with a source, an advance line, and a retard line. One or more recirculation paths can be established at various times between the valve housing and the spool, depending upon the position of the spool in the valve housing.

Abstract: A variable camshaft timing (VCT) control valve assembly includes: a control valve having one or more lands and a valve cavity; one or more cavity vents in the control valve are configured to communicate fluid between an outer surface of the control valve and the valve cavity; a valve sleeve having a sleeve cavity that receives the control valve and a plurality of apertures, at least one of the apertures is configured to be in fluid communication with an advance fluid chamber of a VCT device and another of the apertures is configured to be in fluid communication with a retard fluid chamber; the control valve slides axially relative to the valve sleeve; and one or more reed valves, attached to an outer surface of the valve sleeve, configured to control the flow of fluid between one of the advance fluid chamber or the retard fluid chamber and the other of the advance fluid chamber or the retard fluid chamber.

Abstract: A clutch (10) for selectively preventing rotatory movement of a cogged gear (12) about an axis may include an actuator (20) and a pivotally moveable pawl (40) that is interactive with the cogged gear (12). A plunger (24) may be radially movable within and by the actuator (20). A pair of axially spaced sidewalls (16, 18) may include an opposed radially extending slot (52). A pawl pusher (50) may be radially movable between the plunger (24) and the pawl (40). The pawl pusher (50) may include a pair of axially extending wing portions (54, 56) that may be slidably supported in one of the opposed slots (52) to limit movement of the pawl pusher (50) to radial, only. Axial and/or circumferential force loads transmitted to the pawl pusher (50) by the pawl (40) may not be transferred to the radially movable plunger (24).

Abstract: A hydraulically-actuated variable camshaft timing (VCT) phaser assembly is employed for use in an automotive internal combustion engine. The VCT phaser assembly has a housing, a rotor, a first plate, a second plate, and a control valve. The rotor is situated within the housing, and a plurality of chambers are established between the rotor and housing. The first plate is situated on one side of the housing and rotor, and the second plate is situated on an opposite side of the housing and rotor. One or more air vents reside in one or more of the housing, rotor, first plate, second plate, or control valve. Air separated from hydraulic fluid in the VCT phaser assembly amid use and that makes its way to the air vent(s) can escape the VCT phaser assembly.

Abstract: A turbine housing for a turbocharger includes an inlet passage and an outlet passage connected to a turbine housing body. The outlet passage has a longitudinal axis and comprises a first section and a second section downstream of the first section. The first section includes a first inlet opening having a first cross-sectional area, a first outlet opening downstream of the first inlet opening, and a first length between the first inlet opening and the first outlet opening, wherein the first section has an opening angle between 0° and 10° relative to the longitudinal axis along the first length. The second section downstream of the first section includes a second inlet opening, a second outlet opening downstream of the second inlet opening, a second cross-sectional area at least 1.8 times greater than the first cross-sectional area, and a second length between the second inlet opening and the second outlet opening that is less than 50% of the first length.

Abstract: A pawl clutch may include a first member having at least one notch, and a second member. The first member and the second member may be configured to rotate relative to each other at a speed differential when the pawl clutch is disengaged. The pawl clutch may further comprise at least one pawl moveably retained to the second member and configured to engage the pawl clutch by engaging the notch of the first member. The notch of the first member may have one of a chamfered edge and a concave edge.

Abstract: A method of inserting a winding into a stator having skewed slots formed on an inside diameter of a stator lamination includes forming a conductor having a plurality of slot segments, loading the conductor into a plurality of skewed slot elements of a linear cartridge having a first end, a second end, and a linear axis connecting the first end and the second end, the plurality of skewed slot elements being angled relative to the linear axis, transferring the conductor from the linear cartridge to a plurality of skewed slot members formed in an outside diameter of a rotary cartridge, inserting the rotary cartridge into the inside diameter of the stator lamination, and shifting the conductor from the rotary cartridge into the skewed slots of the stator.

Abstract: An electrically-actuated camshaft phaser used in an internal combustion engine including a camshaft sprocket, configured to receive rotational input from a crankshaft, that includes a sprocket ring gear having a plurality of radially-inwardly facing gear teeth and a radially extending sprocket side; a camshaft plate that includes a camshaft ring gear having a plurality of radially-inwardly facing gear teeth and a radially extending camshaft side; a plurality of planetary gears having radially-outwardly facing gear teeth, each gear with a first radial gear face and a second radial gear face, wherein the planetary gears engage the sprocket ring gear, the camshaft ring gear, or both the sprocket ring gear and the camshaft ring gear; and one or more fluid escapement channels formed in at least one of the camshaft sprocket, the camshaft plate, the first radial gear face, or the second radial gear face.

Abstract: An electric machine includes a core with windings positioned on the core. The windings include in-slot portions, end turns, and leads. The in-slot portions are positioned in slots of the core. The end turns extend from the in-slot portions at ends of the core. The leads extend from the in-slot portions and axially past the end turns. A bus bar assembly is positioned radially inward from the end turns. The bus bar assembly includes an arc portion, a plurality of axial lead connectors, and a plurality of axial phase terminals. The arc portion is positioned axially within the end turns. The axial lead connectors extend axially past the end turns and are connected to the leads. The axial phase terminals also extend axially past the end turns.

Abstract: An electric machine having a stator core with axially extending slots and a plurality of windings. Each stator winding defines a continuous electrical conductor having a first wire and a second wire connected in series. The first wire defines a plurality of first axially extending segments disposed in the slots and a plurality of first end turn segments. The second wire defines a plurality of second axially extending segments disposed in the slots and a plurality second end turn segments. The first wire is a solitary wire defining a first cross sectional area and the second wire comprises a plurality of individual strands wherein each strand defines a second cross sectional area less than the first cross sectional area. In slots containing both first and second axially extending segments, the second axially extending segments are disposed closer to the rotor than the first axially extending segments.

Abstract: A waste heat recovery system for recovering waste heat of in internal combustion engine includes a turbine expander. The turbine expander includes a turbine blade, a shaft coupled to and rotatable by the turbine blade, and a nozzle assembly. The nozzle assembly includes a nozzle block disposed about the shaft and adjacent the turbine blade, a first nozzle component coupled to the nozzle block, and a second nozzle component coupled to the nozzle block. The first nozzle component defines a first nozzle having a first geometrical configuration. The second nozzle component defines a second nozzle having a second geometrical configuration that is different from the first geometrical configuration. The waste heat recovery system also includes a flow control device in fluid communication with the turbine expander. The waste heat recovery system further includes a controller in communication with the flow control device.

Abstract: An electric drive module that includes a housing, a pair of drive units and a coupling unit. The drive units are disposed in the housing and each drive unit includes a motor unit and a friction brake. The motor unit has a stator, which is non-rotatably coupled to the housing, and a rotor that is rotatable about a motor axis and configured to drive a wheel of a vehicle. The friction brake has a first portion, which is non-rotatably coupled to the housing, and a second portion that is drivingly coupled to the rotor. The friction brake can be operated to create a rotational drag force that resists rotation of the second portion relative to the first portion. The coupling unit is configured to selectively rotatably couple the second portions of the friction brakes to one another.

Abstract: An electrical device with a conductor assembly having a conductor member and a nut. The conductor member has a wire cradle, a conductor body and a plurality of tab members. The wire cradle has a wire support portion and at least one crimp member extending from the wire support portion. The conductor body defines a terminal with a terminal face having a first hole formed therethrough. The wire cradle and the terminal face are disposed on opposite ends of the conductor body. Each of the tab members has a first portion, which is fixedly coupled to the conductor body, and a second portion that is coupled to the first portion and being spaced apart from the terminal. The tab members and the terminal form a cage. The nut is received in the cage and has a threaded aperture that is aligned to the first hole in the terminal face.