Abstract: A torsion assembly for providing controllable torsion to a camshaft, including: a spring assembly including a first spring; and, a contact element arranged to engage at least one lobe for the camshaft. For a locked mode: the contact element is arranged to be displaced by the at least one cam lobe; the contact element is arranged to compress the first spring; and the first spring is arranged to impart a first torque to the camshaft via the contact element. For an unlocked mode, the contact element is arranged to be displaced by the at least one cam lobe and the contact element is arranged to impart a second torque, less than the first torque, to the cam shaft via the contact element.

Abstract: A CVT (continuously variable transmission) differential is provided which includes a first drive input ring gear having internal teeth. A planetary or bevel gear differential is connected to the first drive input ring gear. The planetary differential includes a planet gear carrier, first planet gears, second planet gears, a first sun gear, and a second sun gear. Alternatively, the bevel gear differential includes a carrier that supports drive and driven bevel gears. A second drive input is connected to the planet gear carrier or bevel gear carrier. Preferably, a primary drive is connected to the first drive input ring gear, which can be an internal combustion engine or an electric motor. Preferably, a secondary drive is connected to the second drive input, which is preferably an electric motor, for example for a hybrid motor vehicle.

Abstract: The invention relates to a method for the alternating cylinder shutdown of a three-cylinder or five-cylinder internal combustion engine during partial load operation, in which the opening of the gas exchange valves of the shut-down cylinders is deactivated. The valve deactivation of the shut-down cylinders is intended to begin and end with the deactivation and the subsequent reactivation of the intake valves of said cylinders, in each case at the start of the regular intake cycle of said cylinders.

Abstract: A dual actuation synchronizing clutch assembly including an improved synchronization arrangement is provided. The dual actuation synchronizing clutch assembly has a plurality of operational phases, including initial, synchronization, positioning, engagement, and running phases that vary the torque flow path between the input shaft and output shaft. A synchronizing assembly is provided that includes a synchronizer ring having a first friction surface and synchronizer teeth. A connecting gear includes a lock-up assembly with retractable elements and connecting gear teeth. An output gear includes a second friction surface configured to frictionally engage the first friction surface of the synchronizer ring, and a contoured receiving path with positioning points configured to receive the retractable elements of the lock-up assembly.

Abstract: A hydraulic camshaft adjuster (1), in particular a vane-type hydraulic camshaft adjuster, including a rotor (2) and a stator (3) which are mounted to rotate with respect to each other, a cover (10) fixed on the stator (3), including a locking receiver and at least one locking pin (11, 12) accommodated in the rotor (2), the locking pin being slidable in the axial direction and prestressed in the direction of the locking receiver, and a hydraulic channel (27, 28, 29) to apply pressure of the locking pin (11, 12) against the prestress of same, the hydraulic channel being able to be filled and emptied with a hydraulic medium via a central screw, wherein in the rotor (2) at least one additional discharge channel (37, 38, 39, 40) fluidically connected to the hydraulic channel (27, 28, 29) is formed with a discharge valve (33, 34, 35, 36), wherein preferably the discharge valve (33, 34, 35, 36) closes the discharge channel (37, 38, 39, 40) when the locking pin (11, 12) is pressurized and opens the discharge channel

Abstract: A piston assembly for pressurizing a hydraulic chamber is provided. The piston assembly has a cylinder and a piston configured to reciprocate within the cylinder. The piston has a first end in the cylinder and a second end adapted to be acted on by a drive element. The piston assembly also has a spring configured to bias the piston. The piston assembly further has a retainer mounted to an exterior of the cylinder and including a seat surface. The spring is seated on the seat surface. The outer diameter of the spring is less than the outer diameter of the cylinder.

Abstract: A roller bearing assembly for a motor vehicle drive train is provided. The roller bearing assembly includes a bearing including an inner ring, an outer ring and roller elements rotatably supporting the inner ring with respect to the outer ring. The roller elements include a first roller element and a second roller element. The inner ring includes a first section for supporting the first roller element on the head of the pinion and a second section for supporting the second roller element on the tail of the pinion. The first section is thinner than the second section.

Abstract: The invention relates to a centrifugal force pendulum (100) for suppressing torsional oscillations in a drive train, comprising a first and a second flange (105, 110) that are non-rotatably connected to the drive train and a first and a second pendulum mass (125, 135) that are arranged axially offset between the flanges. The pendulum masses have different suppressing frequencies.

Abstract: A method for applying friction lining elements to a friction lining support is provided. The invention is characterized in that friction lining elements are applied simultaneously to opposite sides of the friction lining support.

Abstract: A stack bearing assembly is provided having stacked bearing rings and bearing balls located between the rings in races. The bearing balls are formed from 100Cr6 steel that is carbonitrided. After carbonitriding, the bearing balls are polished. The carbonitrided and polished bearing balls are assembled in the races of the bearing rings to provide increased resistance to wear from the debris traveling through the bearing assembly in use, and increase toughness in order to withstand the wear caused by debris in a drilling rig. A method of producing a stack bearing assembly is also provided.

Abstract: The invention relates to a clutch for a motor vehicle, having a pressure plate which is set up to clamp a torque transmission member, such as a disk or friction disk, together with a counterpressure plate, wherein a force transmission path is provided between an actuating unit via a pressure transmission member, wherein the pressure transmission member is configured as an integral part of the pressure plate. The invention also relates to a method for producing a pressure plate for a clutch, wherein the pressure plate is formed with an integrated pressure transmission member from a sheet metal plate via a chipless forming process.

Abstract: The invention relates to a rotary-table bearing assembly, including: a rotary-table bearing, which has an inner ring, an outer ring, and rolling elements arranged in one or more rows, which roll on the inner ring and on the outer ring; and in each case an assembly component having a clamping segment, to which assembly components the outer ring and the inner ring are connected. According to the invention, the clamping segment of at least one assembly component is designed radially elastic on the assembly component, and/or the outer ring and/or the inner ring has a radially elastic connecting segment, by which the particular ring is connected to the assembly component.

Abstract: The invention relates to a method for reducing occasionally occurring vibrations, in particular chatter vibrations of a unit controlled automatically by an actuator, in particular a clutch actuator, on the basis of a target torque assigned to a clutch torque that is to be transmitted, in particular a target clutch torque, in particular a unit located in a drivetrain of a motor vehicle between a combustion engine and a transmission, in particular a friction clutch having an actual present clutch torque which is marked by vibrations as a result of occasionally occurring vibrations, wherein from an input signal which is representative of the vibration-marked torque on the basis of a known transfer behavior of the actual present torque vibration components of known form with unknown prefactors are continuously ascertained, a phase-correct correction torque is determined from these, and the target torque is corrected using the latter.

Abstract: The invention relates to a software damper and to a method for configuring a software damper connected to a clutch control system for damping chatter vibrations of a clutch torque being transferred by means of an automated friction clutch positioned between a combustion engine and a transmission and controlled by the clutch control system, wherein a transmission input speed (r(g)) is captured at the output of the friction clutch by means of the software damper, and the target clutch torque (m(k)) encumbered by chatter vibrations is corrected by means of negative feedback.

Abstract: A rolling bearing assembly with electrical discharge damage protection is provided. The assembly includes a seal extending radially between a radially outer bearing ring and a radially inner bearing ring. The seal includes a fixed seal end that is fixed to one of the radially inner or outer bearing rings and a flexible sealing lip that contacts the other one of the radially inner or outer bearing rings. At least one electrically conductive ring includes a first ring end that contacts one of the radially inner or outer bearing rings at the fixed seal end. The seal is integrally connected to the at least one electrically conductive ring. Electrically conductive brush filaments are fixed to the at least one electrically conductive ring, and the brush filaments contact the other one of the radially inner or outer bearing rings opposite from the fixed seal end.

Abstract: A method is provided for reducing chatter vibrations in a motor vehicle drivetrain having a drive unit, a vehicle transmission and an automated friction clutch, wherein a vibration absorber is emulated by an appropriate operation of the friction clutch in order to improve the method.

Abstract: A tuned damper for a torque converter includes a piston plate with a pivot ring, an inertia ring at least partially rotatable in a circumferential direction relative to the piston plate, and a resilient element fixed to the inertia ring and frictionally engaged with the piston plate pivot ring. In some example embodiments, the pivot ring includes a pair of radially extending tabs, the resilient element includes a radially-extending leaf spring fixed to a slide roll, and an outer circumference of the slide roll is clamped by the pivot ring tabs. In an example embodiment, the pivot ring tabs each include respective distal bent segments extending toward one another to limit radial displacement of the slide roll. In an example embodiment, an inertia of the inertia ring and a torsional spring rate of the resilient element are selected so that a natural frequency of the inertia ring is less than a shudder frequency.

Abstract: A torsional vibration damper, including: an axis of rotation; a drive plate; an output flange; and a spring retainer plate including a first side facing in a first axial direction, a second side facing in a second axial direction, and a plurality of spring stops formed of a same material forming the spring retainer plate. Each spring stop: extends from the first side at least partially in the first axial direction; and includes first and second circumferentially separated end surfaces separated, in the first axial direction, from the first side by first and second gaps, and a plurality of springs. Each spring includes a first circumferential end engaged with a respective first end surface and a second circumferential end engaged with a respective second end surface. The spring retainer plate partially surrounds the plurality of springs and retains the plurality of springs in a radially outward direction.

Abstract: A generator arrangement for an auxiliary-assembly belt drive of an internal combustion engine, having a starter generator (1) with a belt pulley (6) and a belt tensioner (2) which includes the following:—a first tensioning lever (8) with a first tensioning roller (4),—a second tensioning lever (9) with a second tensioning roller, these tensioning rollers being arranged in front of and behind the belt pulley in a circulating direction of the belt (3) and applying a pretensioning force onto the belt,—a spring means (7) which is arranged between the tensioning levers and which moves the tensioning rollers towards each other, thereby generating the pretensioning force,—and a locking arrangement (11), by which the tensioning levers can be locked relative to each other in a position in which the tensioning rollers are moved away from each other, thereby reducing or canceling the pretensioning force.

Abstract: A hydraulic lash adjuster arrangement is provided that includes a cylinder head including a bore and at least one hydraulic fluid gallery. The hydraulic lash adjuster arrangement includes a hydraulic lash adjuster assembly including a housing positioned in the bore of the cylinder head and including an annular body that includes a port on a radially outer wall of the housing. A plunger is arranged within the annular body of the housing and is axially displaceable therein. A clip including a circular body is arranged radially between the housing and the cylinder head. The clip includes at least one first tab extending radially outwardly that engages the at least one hydraulic fluid gallery and at least one second tab extending radially inwardly that engages the port.