Abstract: A driven disc assembly is provided wherein a clutch disc has enlarged holes for connection of opposing backing plates. The backing plates have semi-pierced sections that are insertable within mounting holes of the clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness.

Abstract: In various embodiments, the present disclosure provides wet rotating disc engagement systems, e.g., a wet brake systems and/or wet clutch systems, for mobile platforms and/or stationary platforms, wherein the system comprises a plurality of first heat pipes having evaporator ends disposed within a plurality of first discs of the wet rotating disc engagement system and/or a plurality of second heat pipes having evaporator ends disposed within a plurality of second discs of the wet rotating disc engagement system. Additionally, condenser ends of the first and/or second heat pipes are disposed within oil retained within an oil reservoir of the wet rotating disc engagement system.

Abstract: A freewheel arrangement having a freewheel, which comprises an inner ring, an outer ring rotatable in a first direction of rotation relative to the inner ring, and clamping elements between the inner ring and the outer ring, which prevent a rotation of the outer ring relative to the inner ring in a second direction of rotation. The outer ring and the inner ring and the clamping elements may be formed as a stamped sheet metal part.

Abstract: The present invention relates to a pulley structure containing a first rotatable body, a second rotatable body and a torsional coil spring, in which the torsional coil spring has one end region, the outer circumferential surface of which is in contact with one rotatable body due to the self elastic restoring force when the pulley structure is in a stopped state, the other end region, the inner circumferential surface of which is in contact with the other rotatable body when the pulley structure is in the stopped state, and a middle region, and in which when the torsional coil spring is twisted in the diameter increasing direction, the inner circumferential surface of at least a circumferential portion of the other end region of the torsional coil spring separates from the other rotatable body.

Abstract: A wedge clutch, including: an inner race; an outer race with a first inner circumferential surface sloping radially outward in a first axial direction; a wedge plate disposed between the inner and outer races in a radial direction and including a first outer circumferential surface sloping radially outward in the first axial direction; a first displacement element engaged with the wedge plate and arranged to urge the wedge plate in a second axial direction, opposite the first axial direction, to close the clutch to non-rotatably connect the inner and outer races; and a second displacement element arranged to displace the wedge plate in the first axial direction to open the clutch to enable relative rotation between the inner and outer races.

Abstract: A releasable freewheel clutch includes a ring gear and a driven member disposed within a bore of the ring gear. A plurality of pawls are each pivotally attached to the driven member and rotatable between a first position where each pawl is engaged with teeth of the ring gear and a second position where each pawl is disengaged with the teeth of the ring gear. The pawls are selective movable between the engaged and disengaged positions by a ring-shaped blocking element that is rotatably supported for rotation about the axis of rotation and relative to the driven member.

Abstract: An electronic transmission range selection hydraulic control system includes a source of pressurized hydraulic fluid, a first mode valve assembly in fluid communication downstream of the source of pressurized hydraulic fluid, a drive clutch actuator connected to a drive clutch and in fluid communication directly downstream of the first mode valve assembly, a reverse clutch actuator connected to a reverse clutch and in fluid communication directly downstream of the first mode valve assembly, a second mode valve assembly in fluid communication directly downstream of the first mode valve assembly, and a park servo connected to the park mechanism and in fluid communication directly downstream of the first mode valve assembly and the second mode valve assembly.

Abstract: A hydrodynamic torque coupling device with lockup clutch is provided that includes an impeller, an axially displaceable turbine-piston, and a stop feature. The turbine-piston includes a turbine-piston shell and a turbine-piston flange. The turbine-piston is axially displaceable relative to the impeller to move an engagement surface region of the turbine-piston towards and away from an engagement surface region of the impeller for positioning the torque converter respectively into and out of a lockup mode. When the turbine-piston is out of the lockup mode, a fluid passageway connecting a torus chamber to a damper chamber extends between the engagement surface regions and between flow restriction surface regions of the turbine-piston and impeller. At a maximum axial displacement position out of lockup mode, a gap between the engagement surface regions is greater than a gap between the flow restriction surface regions.

Abstract: A transmission clutch assembly includes at least one rotatable clutch plate or friction plate, a reaction plate, a non-rotatable piston, at least one bearing roller, and a cage. The reaction plate is arranged to rotate with and apply a force to the at least one rotatable clutch plate or friction plate. The non-rotatable piston is arranged for sealing engagement with a transmission housing. The at least one bearing roller arranged between and contactable with the reaction plate and the piston to permit relative rotational motion therebetween. The cage is for positioning the at least one roller and is retained by the reaction plate or the piston.

Abstract: A hydrokinetic torque coupling device includes an impeller, a casing having a first engagement surface, a turbine-piston hydrodynamically drivable by the impeller, and a biasing device. The turbine-piston is hydrodynamically drivable by the impeller and includes a turbine-piston shell having a second engagement surface facing the first engagement surface. The turbine-piston is axially displaceable relative to the impeller between a hydrodynamic transmission mode and a lockup mode. The biasing device is configured to exert an axial load against the turbine-piston to urge the turbine-piston axially away from the lockup mode and towards the hydrodynamic transmission mode. The axial load exerted by the biasing device decreases as the turbine-piston moves axially towards the lockup mode and increases as the turbine-piston moves axially away from the lockup mode.

Abstract: The present invention provides a clutch. The clutch of the invention includes a coupler, that is a ring or hollow structure surrounding a lumen. The lumen of the coupler has an engaging section and a non-engaging section. In an engaged configuration of the clutch, a driving member and a driven member are located in the engaging section of the coupler and rotation of the driving member in the engaging section generates rotation of the coupler and rotation of the coupler generates rotation of the driven member. In a disengaged configuration of the clutch, one or both of the driving member and the driven member is not located in the engaging section of the coupler and either rotation of the driving member does not generate rotation of the coupler or rotation of the coupler does not generate rotation of the driven member.

Abstract: A hydrokinetic torque coupling device features an impeller, a casing having a first engagement surface, a damper assembly, a turbine-piston including a drive component with a second engagement surface, and a clutch plate having clutch plate engagement surfaces interposed between and axially movable relative to at least one of the first and second clutch plate engagement surfaces. The turbine-piston is axially displaceable relative to the casing to move the second engagement surface axially towards and away from the first engagement surface for positioning the hydrokinetic torque coupling device into and out of a lockup mode in which the first and second engagement surfaces and the clutch plate engagement surfaces frictionally interlock with one another to non-rotatably lock the casing relative to the input part of the damper assembly.

Abstract: A clutch unit includes a lever-side clutch portion for controlling transmission and interruption of rotational torque to an output side through lever operation, and a brake-side clutch portion for transmitting torque input from the lever-side clutch portion to the output side and for interrupting torque reversely input from the output side. The lever-side clutch portion has an outer centering spring provided between a lever-side outer ring to be rotated through the lever operation and a cover restricted in rotation, for accumulating an elastic force obtained by torque input from the lever-side outer ring and for restoring the lever-side outer ring to a neutral state with the accumulated elastic force through releasing of the torque input from the lever-side outer ring.

Abstract: A hydrokinetic torque coupling device for coupling together a driving shaft and a driven shaft. The torque coupling device includes a casing rotatable about a rotational axis and having a casing cover shell and an impeller shell, an impeller coaxial aligned with the rotational axis and including the impeller shell, a turbine-piston coaxially aligned with and drivable by the impeller, a stator situated between the impeller and the turbine-piston, an output member including an output bevel gear, a torsional vibration damper operatively connecting the turbine-piston and the output hub, a rotatable input bevel gear drivenly connected to the torsional vibration damper, a carrier configured to connect to a stationary stator shaft, and a bevel pinion supported by and rotatable relative to the carrier. The bevel pinion meshes with gear teeth of the input bevel gear and gear teeth of the output bevel gear of the output member.

Abstract: This device comprises a driving shaft, which is rotary on itself around a central axis and which is secured to a head for driving the tool into rotation around the axis, the tool being added onto the driving head in a removable way. The driving head includes a driving hub which is adapted so as to be engaged with a driven hub of the tool in order to transmit a rotary movement between them. The driving head is provided with locking centrifugal weights for the tool on the driving head, said centrifugal weights being moveable, under the effect of a centrifugal force resulting from the setting into rotation of the driving head by the driving shaft, between a rest position, in which the centrifugal weights do not interfere with the driven hub, and a position of use, in which a portion of each of the centrifugal weights is brought closer to the central axis and mechanically cooperates with the driven hub in order to maintain it engaged with the driving hub.

Abstract: A linear magnetic sensor shield system comprises first and second shield parts. The system may include first and second field sensor assemblies, each having field sensors disposed therein. The first shield part may be disposed adjacent to a first side and a third side of the first field sensor assembly, and the second shield part may be disposed adjacent to a second side of the second field sensor assembly. The shield parts may be formed of mu metal, by of example, or they may have a curved shape or a thickness in the range of about 0.015 inch to about 0.030 inch. A torque transmitting device is also provided.

Abstract: A clutch unit includes a lever-side clutch section provided on an input side, for controlling rotational torque to be input through lever operation, and a brake-side clutch section provided on an output side, for transmitting the rotational torque from the lever-side clutch section to the output side, and interrupting rotational torque to be reversely input from the output side. The brake-side clutch section has a two-layer structure, in which two one-way clutches are arranged side by side in an axial direction. The first one-way clutch interrupts rotational torque in a forward direction, which is reversely input from the output side, through meshing of serrated projection and depression portions, whereas the second one-way clutch interrupts rotational torque in a backward direction, which is reversely input from the output side, through meshing of serrated projection and depression portions arranged in an opposite direction.

Abstract: A hydraulic control apparatus for a hydraulic torque converter may include a lock-up switch valve and a slip switch valve. The lock-up switch valve may be connected to the first and second hydraulic lines of the hydraulic torque converter to control hydraulic pressure supplied to the disengagement-side oil chamber and the engagement-side oil chamber, and adapted to supply the hydraulic pressure exhausted from the engagement-side oil chamber to a lubricating portion or a cooling portion or to supply hydraulic pressure supplied from an additional hydraulic pressure supply source to the lubricating portion or the cooling portion. The slip switch valve may be disposed between the third hydraulic line of the hydraulic torque converter and the lock-up switch valve and adapted to selectively exhaust or not exhaust the hydraulic pressure supplied to the engagement-side oil chamber to the lock-up switch valve.

Abstract: A multi-plate friction clutch wherein lubrication sites of the clutch can be efficiently supplied with oil to be sufficiently lubricated. A multi-plate friction clutch includes a clutch outer, a clutch center, clutch plates, and a pressure plate. A center ring protrusion protruding into a cylindrical shape from the outer surface of a center bottom wall part is formed at substantially the same radial position as a plurality of communication holes. Furthermore, a ring recess opened toward the axial center is formed in the inner circumferential surface of the center ring protrusion and the communication holes are so opened as to face the ring recess.

Abstract: A latch subassembly for a motor vehicle drive train is provided. The latch subassembly includes a bearing arrangement including at least one thrust bearing. The latch subassembly also includes a diaphragm spring. The diaphragm spring includes a first end for axially mounting in a housing and a second end held by the at least one thrust bearing, the second end being axially movable between a first position and a second position within the bearing arrangement. A disconnect assembly and a method of forming a disconnect assembly are also provided.