Abstract: A rotor assembly includes a torque converter having a housing forming a hydraulic chamber, a rotor for an electric motor, a rotor carrier non-rotatably connected to the rotor, wherein the rotor carrier is fixed to the torque converter housing, and a seal is disposed between the torque converter housing and rotor carrier for sealing therebetween. In some example embodiments, the rotor assembly has at least one bolt for fixing the torque converter housing to the rotor carrier. In some embodiments, the rotor carrier includes an aperture and the at least one bolt is disposed in the aperture.

Abstract: A stator for a torque converter includes a body portion with a first frusto-conical surface, a flange including a second frusto-conical surface, a stator clutch including the first and second frusto-conical surfaces, and at least one clutch plate disposed therebetween. In some example embodiments, the at least one clutch plate comprises a pair of frusto-conical surfaces. In an example embodiment, at least one of the at least one clutch plate frusto-conical surfaces includes a friction material bonded thereto. In an example embodiment, the body portion or the flange includes a first drive tab and the at least one clutch plate includes a second drive tab drivingly engaged with the first drive tab.

Abstract: A damper assembly for an engine includes a first spring damper connectable to a torque input component and a slip clutch connected to the first spring damper. The first spring damper transfers torque input to the first spring damper to the slip clutch. A hybrid motor vehicle drive train and a method of forming a damper assembly are also provided.

Abstract: A torque converter comprising: a damper assembly including a spring retainer; and, a turbine assembly connected to the damper assembly, the turbine assembly including: a turbine shell including an axially movable turbine piston; a drive plate fixed to the turbine piston; and a diaphragm spring, the drive plate having openings for receiving the diaphragm spring; the diaphragm spring acting on the turbine piston with a preload force. In an example aspect, the diaphragm spring includes a plurality of radially inward tabs and the drive plate includes a plurality of openings for receiving the radially inward tabs.

Abstract: A torque converter, including: a cover arranged to receive torque; an impeller including an impeller shell non-rotatably connected to the cover; a turbine in fluid communication with the impeller and including a turbine shell; a stator at least partially located between the impeller and the turbine; and including a body portion with at least one stator blade and a first frusto-conical surface; a stator cone clutch including the first frusto-conical surface and a flange including a second frusto-conical surface; and a first thrust bearing axially disposed between the stator cone clutch and the impeller shell. In a stator locked mode: the body portion and the flange are non-rotatably connected; and the stator cone clutch is arranged to urge the first thrust bearing against the impeller shell in a first axial direction.

Abstract: A torque converter is provided. The torque converter includes a cover. The cover includes a radially extending section and an axially extending section extending axially from an outer radial end of the radially extending section. The torque converter also includes at least one baffle assembly attached to the radially extending section or the axially extending section of the cover. The at least one baffle assembly includes a plurality of baffles protruding from the cover to impact fluid flow in the torque converter. Methods of forming a torque converter are also provided.

Abstract: A transmission damper includes a first cover plate, a flange, a spring, and a shaft. The first cover plate includes a first spring window and is arranged for fixing to a sheave for a continuously variable transmission. The flange is rotatable relative to the first cover plate and includes a second spring window. The spring is disposed in the first and second spring windows. The shaft is fixed to an inner portion of the flange and arranged for connecting to an engine crankshaft. In an example embodiment, the shaft is fixed to the flange by welding. In an example embodiment, the sheave is rotatable relative to the shaft. In an example embodiment, the shaft includes an internal taper for connecting to the engine crankshaft. In an example embodiment, the flange includes a radially extending tab arranged for contacting a portion of the cover plate after a predetermined rotation.

Abstract: A torque converter turbine is provided. The torque converter turbine includes a plurality of blades, an annular bowl shaped blade supporting portion supporting the blades and a mass fixed to the blade supporting portion. A method of forming a torque converter turbine is also provided. The method includes providing a blade supporting portion of a turbine shell with mass and connecting a plurality of blades to the blade supporting portion.

Abstract: A hybrid drive module, including: a torque converter with an output shaft, a cover for connection to a flex plate for an internal combustion engine, an impeller non-rotatably connected to the cover, a turbine, and a torsional damper including an input part non-rotatably connected to the turbine, an output part non-rotatably connected to the output shaft, and at least one circumferentially aligned coil spring engaged with the input part and output parts; an output hub arranged to non-rotatably connect to a transmission input shaft; and a disconnect clutch assembly including a first clutch component non-rotatably connected to the output hub and arranged to non-rotatably connect to an electric motor and a second clutch component non-rotatably connected to the output shaft. A torque path from the cover to the output hub passes through in sequence: the turbine, the damper, the output shaft, the second clutch component, and the first clutch component.

Abstract: A damper assembly for a motor vehicle drive train is provided. The damper assembly includes a spring retainer retaining arc springs; an engine-side cover for connecting to an engine crankshaft, the spring retainer being fixed to the engine-side cover; and a seal configuration between the engine-side cover and the spring retainer. The seal configuration, the engine-side cover and the spring retainer define an arc spring cavity for lubricating fluid to lubricate the arc springs. The seal configuration is configured to prevent lubricating fluid from radially exiting the arc spring cavity during rotation of the damper assembly about a center axis thereof. A method of forming a damper assembly is also provided.

Abstract: A stator for a torque converter includes a body portion with a first frusto-conical surface, a flange including a second frusto-conical surface, a stator clutch including the first and second frusto-conical surfaces, and at least one clutch plate disposed therebetween. In some example embodiments, the at least one clutch plate comprises a pair of frusto-conical surfaces. In an example embodiment, at least one of the at least one clutch plate frusto-conical surfaces includes a friction material bonded thereto. In an example embodiment, the body portion or the flange includes a first drive tab and the at least one clutch plate includes a second drive tab drivingly engaged with the first drive tab.

Abstract: A piston assembly, including: a piston for a clutch in a torque converter including: first and second radial surfaces; and a radially inner-most end connecting the first and second radial surfaces. The piston assembly includes a radially displaceable bushing assembly: arranged to engage an input shaft for a transmission and form a first seal against the input shaft; including a first radial wall disposed parallel to the first radial surface and forming a second seal against the first radial surface; and including a second wall facing the second radial surface. The bushing assembly is radially displaceable with respect to the piston while maintaining the first seal between the first radial wall and the first radial surface and the second seal between the bushing assembly and the input shaft.

Abstract: A computer implemented method of performing an approximate-nearest-neighbor search is disclosed. The method comprises dividing an image into a plurality of tiles. Further, for each of the plurality of tiles, perform the following in parallel on a processor: (a) dividing image patches into a plurality of clusters, wherein each cluster comprises similar images patches, and wherein the dividing continues recursively until a size of a cluster is below a threshold value; (b) performing a nearest-neighbor query within each of the plurality of clusters; and (c) performing collaborative filtering in parallel for each image patch, wherein the collaborative filtering aggregates and processes nearest neighbor image patches from a same cluster containing a respective image patch to form an output image.

Abstract: A torque converter comprising: first and second cover plates arranged to receive torque; a flange; a turbine shell independently rotatable relative to the flange; at least one resilient element, at least partially disposed axially between the first and second cover plates, for transmitting a torque force between the flange and the first and second cover plates; a first axial gap, disposed between the flange and the first cover plate, having a first width; a second axial gap, disposed between the flange and the second cover plate, having a second width; one of the first cover plate or the second cover plate having at least one ramp protruding in an axial direction toward the flange, the ramp rotatably engageable with the flange for urging the flange axially in a direction toward the cover, and for transmitting an axial force for urging a clutch to engage.

Abstract: A torque converter, including: a cover arranged to receive torque; an impeller including an impeller shell non-rotatably connected to the cover; a turbine in fluid communication with the impeller and including a turbine shell; a stator at least partially located between the impeller and the turbine; and including a body portion with at least one stator blade and a first frusto-conical surface; a stator cone clutch including the first frusto-conical surface and a flange including a second frusto-conical surface; and a first thrust bearing axially disposed between the stator cone clutch and the impeller shell. In a stator locked mode: the body portion and the flange are non-rotatably connected; and the stator cone clutch is arranged to urge the first thrust bearing against the impeller shell in a first axial direction.

Abstract: A hybrid drive module including: a torque converter with a cover, an impeller and a turbine; a rotor for an electric motor; a hub non-rotatably connected to the rotor and the cover and including a circumferential surface and a plurality of protrusions extending radially outward from the circumferential surface; and an end plate disposed between the plurality of protrusions and the rotor and engaged with the end plate and the rotor. The plurality of protrusions is formed of a material forming the hub and restrains the end plate and the rotor, with respect to the hub, in an axial direction.

Abstract: A torque converter includes a torus with an impeller and a turbine having respective shells, a cover shell, and a first damper plate. The impeller shell has a radial wall disposed radially outside of the torus and the turbine shell has a radial wall arranged for frictionally engaging the impeller shell radial wall. The cover shell has a radial wall and the first damper plate has a radial wall for transmitting a turbine shell thrust force to the cover shell radial wall. In an example embodiment, the torque converter includes a friction material ring fixedly attached to the turbine shell radial wall or the impeller shell radial wall. In some example embodiments, the torque converter includes a friction material ring fixedly attached to the cover shell radial wall or the first damper plate radial wall.

Abstract: A power take off (PTO) gear including: an input flange including an outwardly extending protrusion; a ring gear; and a piston including an inwardly extending protrusion and a circumferential end. The PTO gear includes first and second cover plates fixedly secured to the ring gear; at least one elastic element engaged with the flange and the first and second cover plates; and a chamber bounded by the circumferential end of the piston and material forming the ring gear and sealed in first and second axial directions by the first and second cover plates, respectively. For first torque applied to the flange, the flange is arranged to rotate with respect to the ring gear such that: the inwardly and outwardly extending protrusions contacts; the flange displaces the circumferentially curved piston; and the circumferential end of the curved piston displaces fluid disposed in the chamber to dampen motion of the flange.

Abstract: A torque converter, including: a cover; an impeller shell; a turbine shell; a turbine clutch formed by the turbine and impeller shells; and a stator formed of a single piece of material and including a protrusion extending in an axial direction and having a radial surface. In a drive mode: the cover transmits torque to the impeller shell; the turbine clutch is open; the radial surface forms an entirety of a portion of the stator closest, in the axial direction from the stator toward the turbine shell, to the turbine shell; and the radial surface is free of contact with the turbine shell. In a coast mode for the torque converter, at least a portion of the radial surface is in contact with the turbine shell or is separated from the turbine shell by a layer of fluid in contact with the radial surface and the turbine shell.

Abstract: A hybrid drive module, including: a torque converter with an output shaft, a cover for connection to a flex plate for an internal combustion engine, an impeller non-rotatably connected to the cover, a turbine, and a torsional damper including an input part non-rotatably connected to the turbine, an output part non-rotatably connected to the output shaft, and at least one circumferentially aligned coil spring engaged with the input part and output parts; an output hub arranged to non-rotatably connect to a transmission input shaft; and a disconnect clutch assembly including a first clutch component non-rotatably connected to the output hub and arranged to non-rotatably connect to an electric motor and a second clutch component non-rotatably connected to the output shaft. A torque path from the cover to the output hub passes through in sequence: the turbine, the damper, the output shaft, the second clutch component, and the first clutch component.