Abstract: Methods for preparing and purifying viral particles, and compositions and uses comprising the same, are provided.

Abstract: An electromagnetic switchable clutch includes a dog clutch, a one-way clutch and a coil assembly. The dog clutch includes a dog clutch hub with a first outer spline and first pockets, a dog clutch disc with a second outer spline and a dog clutch sleeve with an inner spline, complementary to the first outer spline and the second outer spline. The inner spline is drivingly engaged with the first outer spline and axially displaceable to engage the second outer spline. The one-way clutch includes a cam ring and pawls. The cam ring includes second pockets. The pawls are disposed the first pockets or the second pockets and arranged to engage the other of the first pockets or the second pockets to rotationally lock the cam ring to the dog clutch hub in a single rotational direction. The coil assembly is arranged to axially displace the dog clutch sleeve.

Abstract: Disclosed herein are reagents, reagent kits, and culture media for activating and expanding immune cells in vitro. In some embodiments, the reagents, reagent kits, and culture media comprise a Quillaja saponin. In other embodiments, the reagents, reagent kits, and culture media comprise a squalene-based emulsion. Also disclosed are methods for activating and expanding immune cells in vitro using the reagents, reagent kits, and culture media.

Abstract: A housing half for a stamped steel differential housing including an outer annular ring and a radially outer cylindrical protrusion with a gear portion. The housing half is integrally formed from a single piece of material. In an example embodiment, the housing half is formed by stamping. In an example embodiment, the gear portion is formed by broaching or rolling. In some example embodiments, the housing half also includes a first pocket arranged for receiving a portion of a first end of a pinion pin and a second pocket, circumferentially opposite the first pocket, arranged for receiving a portion of a second end of the pinion pin. A stamped steel differential housing including the housing half and a stamped steel differential assembly including the stamped steel differential housing are also disclosed.

Abstract: A radially compliant connection includes an axis, a first plate with a first connection portion, a second plate with a second connection portion, an intermediate plate with third and fourth connection portions, a first flexible element fixed to the first connection portion and to the third connection portion, and a second flexible element fixed to the second connection portion and to the fourth connection portion. In some example embodiments, the first connection portion has a radially inner surface with a first radius, and the second connection portion has a first radially outer surface with a second radius, less than the first radius. In an example embodiment, the third connection portion has a second radially outer surface with a third radius, equal to the second radius, or the fourth connection portion has a third radially outer surface with a fourth radius, equal to the second radius.

Abstract: An electronic assembly heterogeneously integrates radio-frequency (RF) transistor chiplets into a host wafer, and the chiplets have interconnections to host wafer circuits. The assembly has at least one RF transistor chiplet having a chiplet circuit including a high-electron-mobility transistor (HEMT) or a heterojunction bipolar transistor (HBT). The host wafer has at least one host wafer circuit for the purpose of producing bias conditions that optimize performance of the HEMT or HBT. The host wafer circuit includes first circuitry to provide a DC bias of the HEMT or HBT; or second circuitry configured to sense radio-frequency operating conditions of the HEMT or HBT. The electrical interconnects are between the chiplet and the wafer, and electrically connect the host wafer circuit to the chiplet circuit.

Abstract: A differential for an e-axle that includes an oil collector for enhancing oil distribution to the differential. Unlike conventional differentials, a differential in accordance with the present disclosure is not submerged in fluid. Rather, the oil collector collects fluid sprayed by other transmission components (e.g., a ring gear) and directs the fluid to the differential.

Abstract: An electronic differential disconnect clutch includes a differential unit, a first flange, a hub, a second flange, a hub sleeve and a solenoid. The differential unit has a pair of splines arranged for receiving a pair of axle shafts. The first flange has a first face spline and is fixed to the differential unit. The hub is rotatable relative to the differential unit and arranged to receive an input torque. The second flange is rotationally fixed and axially displaceable on the hub and has a second face spline arranged for engaging the first face spline. The hub sleeve is arranged to axially displace the second flange to engage the second face spline with the first face spline. The solenoid is arranged to axially displace the hub sleeve.

Abstract: A housing half for a stamped steel differential housing including an outer annular ring and a radially outer cylindrical protrusion with a gear portion. The housing half is integrally formed from a single piece of material. In an example embodiment, the housing half is formed by stamping. In an example embodiment, the gear portion is formed by broaching or rolling. In some example embodiments, the housing half also includes a first pocket arranged for receiving a portion of a first end of a pinion pin and a second pocket, circumferentially opposite the first pocket, arranged for receiving a portion of a second end of the pinion pin. A stamped steel differential housing including the housing half and a stamped steel differential assembly including the stamped steel differential housing are also disclosed.

Abstract: An electronic assembly has a host wafer having a first circuit including passive devices for the purpose of one of tuning or matching networks. Chiplets are placed in the cavities. At least one chiplet has a second circuit including at least one transistor or switch device and passive tuning circuits including at least one of a stabilization network, a gain boosting network, a power delivery network, or a low-noise network. Electrical interconnects between the chiplets and wafer electrically connect the first circuitry to the second circuitry.

Abstract: A differential disconnect system for a vehicle includes a housing arranged to receive a motor torque, a first clutch element, and a differential. The housing includes radially inwardly facing teeth and the first clutch element is drivingly engaged with and axially slidable on the radially inwardly facing teeth. The first clutch element includes a first face spline. The differential unit is arranged for driving engagement with a pair of axle shafts and includes a second clutch element with a second face spline arranged to engage the first face spline for selective torque transmission between the housing and the differential unit.

Abstract: An electronic assembly has a host wafer having a first circuit including wafer transistors and passive, non-transistor devices. Chiplets have a second circuit including at least one radio frequency (RF) transistor device. Electrical interconnects are between the chiplets and wafer. The electrical interconnects electrically connect the first circuit to the second circuits. Oscillators that have the wafer transistor, the RF transistor and the electrical interconnects produce a signal for built-in self-test circuits for testing an assembly design of the electronic assembly and speeds of the RF chiplet transistors.

Abstract: An electronic assembly has a host wafer having a first circuit including wafer transistors and passive, non-transistor devices. Chiplets have a second circuit including at least one radio frequency (RF) transistor device. Electrical interconnects are between the chiplets and wafer. The electrical interconnects electrically connect the first circuit to the second circuits. Oscillators that have the wafer transistor, the RF transistor and the electrical interconnects produce a signal for built-in self-test circuits for testing an assembly design of the electronic assembly and speeds of the RF chiplet transistors.

Abstract: A stabilizer bar includes a first housing configured to be fixed to a first side-bar, and a second housing configured to be fixed to a second side-bar. The first housing incudes a clutch piston that engages a clutch ring fixed to the second housing. The clutch piston is moved axially via a screw actuated by a nut. The nut is rotated via a planetary gearset driven by an actuator.

Abstract: A differential for a vehicle includes a final drive gear with a final drive gear spline, a differential carrier with a differential carrier spline, and an axially slidable clutch. The axially slidable clutch includes a first clutch spline drivingly engaged with a one of the final drive gear spline or the differential carrier spline and a second clutch spline for selectively drivingly engaging with the other one of the final drive gear spline or the differential carrier spline. In an example embodiment, the differential also includes a pair of side gears, each including an inner spline for drivingly engaging a respective axle shaft, a pair of radially offset spider gears, each drivingly engaged with both of the side gears, and a shaft extending through the pair of radially offset spider gears into the differential carrier.

Abstract: The present invention relates, inter alia, to a method of producing a co-precipitate comprising nickel, manganese and/or cobalt, and to a co-precipitate produced by the method. The method may be a method of producing a co-precipitate comprising at least two metals selected from nickel, cobalt and manganese, and comprise: (i) providing an aqueous feed solution comprising said at least two metals and at least one impurity; and (ii) adjusting the pH of the feed solution to between about 6.2 and about 11, so as to provide: (a) a co-precipitate comprising said at least two metals; and (b) a supernatant comprising said at least one impurity.

Abstract: A vehicle of the present disclosure includes a vehicle body and a damper assembly for controlling movement of a wheel relative to the vehicle body. The vehicle includes a fluid connector spaced from the damper assembly and supported at the vehicle body, the fluid connector in fluid communication with the damper assembly to provide fluid to the damper assembly and increase ride height of the vehicle.

Abstract: A disconnect clutch actuator mechanism includes a shift fork, an actuator, and a position sensor. The shift fork includes a rack gear, a pair of pins, and a sensor target. The shift fork is arranged to be pivotable on the pair of pins. The actuator includes a pinion gear engaged with the rack gear. The actuator is arranged to pivot the shift fork. The position sensor is arranged proximate the sensor target for sensing a pivot position of the shift fork. In some example embodiments, the rack gear includes a pair of arched portions and a toothed portion disposed on at least one of the pair of arched portions. The pinion gear is engaged with the toothed portion. In an example embodiment, the rack gear has a gap disposed between the pair of arched portions and the pinion gear is disposed in the gap.

Abstract: A generator module for a vehicle includes a housing arranged for fixing to an engine block of a combustion engine, a stator, fixed in the housing, a rotor, rotatable relative to the stator, a hub fixed to the rotor and arranged for fixing to a crankshaft of the combustion engine, a ring gear carrier fixed to the hub, a intermediate plate connected to the ring gear carrier by a first flexible element, a rotor carrier plate fixed to the rotor and connected to the intermediate plate by a second flexible element, and a first friction material segment disposed axially between the intermediate plate and the rotor carrier plate. In an example embodiment, the first friction material segment is a first friction material ring. In an example embodiment, the generator module also includes a ring gear fixed to the ring gear carrier.

Abstract: A differential for a vehicle includes a final drive gear with a final drive gear spline, a differential carrier with a differential carrier spline, and an axially slidable clutch. The axially slidable clutch includes a first clutch spline drivingly engaged with a one of the final drive gear spline or the differential carrier spline and a second clutch spline for selectively drivingly engaging with the other one of the final drive gear spline or the differential carrier spline. In an example embodiment, the differential also includes a pair of side gears, each including an inner spline for drivingly engaging a respective axle shaft, a pair of radially offset spider gears, each drivingly engaged with both of the side gears, and a shaft extending through the pair of radially offset spider gears into the differential carrier.