Patent application number | Description | Published |
20080277222 | Torque converter with cooling fluid flow arrangement and arrangement for torque transfer to a damper - A torque converter including: a pump shell; a cover; and a backing plate for a torque converter clutch fixed by contact with the cover and the pump shell. In some aspects, the backing plate is fixed by axial pressure exerted by the cover and the pump against the backing plate. A torque converter including: a plurality of components axially disposed between a pump shell and a cover; and a pump hub fixedly secured to the pump shell. The position of the pump hub with respect to the pump shell is selected to establish respective axial distances between components in the plurality of components. A torque converter including: turbine shell; and a backing plate for a torque converter clutch, the backing plate rotationally connected to the turbine shell and forming a portion of a boundary between first and second pressure chambers. | 11-13-2008 |
20080277223 | Torque converter with cooling fluid flow arrangement and arrangement for torque transfer to a damper - A torque converter including: a membrane forming a portion of a release chamber for the clutch; a friction plate for a torque converter clutch, the plate rotationally connected to a turbine hub and disposed within the release chamber; and a damper element rotationally connected to the turbine hub and to the torque converter clutch. In lock-up mode for the converter, the plate is arranged to transmit torque to the turbine hub. The torque converter includes cooling fluid and a torus and the clutch further comprises friction material and in some aspects, during the lock-up mode, the release chamber is sealed except for a flow of the cooling fluid from the release chamber through the friction material to the torus. The plate includes oppositely disposed first and second radial surfaces and during a torque converter mode for the torque converter, respective pressures on the first and second surfaces are substantially equal. | 11-13-2008 |
20080277226 | Stamped pilot welded to a cover - A torque converter including a cover having a central longitudinal axis and an outer surface and a pilot stamped from metal. The pilot includes a disc at least partially radially aligned with the axis for the cover. The pilot and the cover central axis are fixedly secured to each other. In a first embodiment, the disc is flat. In a second embodiment, the disc is annular. In a third embodiment, the pilot includes a machined outer circumferential surface. In a fourth embodiment, the pilot includes first and second portions radially off-set with respect to one another. In a fifth embodiment, the pilot includes a portion axially extending from the portion of the disc at least partially radially aligned with the axis for the cover. In a preferred embodiment, the cover and pilot are fixedly secured by welding. | 11-13-2008 |
20080277227 | Torque converter with anti-rattle and cooling flow arrangement - A torque converter including: a carrier for a torque converter clutch, the carrier rotationally connected to a turbine shell; an apply chamber for the clutch; and a first pressure chamber in fluid communication with a second pressure chamber and a torus. Pressure in the apply chamber is controlled independent of pressure in the first and second pressure chambers. A torque converter including: a turbine hub rotationally connected to a turbine shell and a cover plate for a damper assembly; and a clutch arranged to rotationally connect the turbine hub to a cover. A torque converter including: a first cover plate for a damper assembly, the first cover plate rotationally connected to a turbine hub and a torque converter clutch; and a second cover plate for a damper assembly, the second cover rotationally connected to the turbine hub and the torque converter clutch. | 11-13-2008 |
20090032364 | Method and apparatus for lash prevention using coil springs - A vibration damper including a first spline having a plurality of first teeth, a second spline having a plurality of second teeth, a third spline having a plurality of third teeth and at least one spring interconnected between the first and second splines, wherein the plurality of third teeth are intermediate the plurality of first teeth and the plurality of second teeth, and the at least one spring biases the plurality of first teeth and the plurality of second teeth against the plurality of third teeth. A method of preventing lash in a vibration damper, the vibration damper including a first spline having a plurality of first teeth, a second spline having a plurality of second teeth, a third spline having a plurality of third teeth and at least one spring interconnected between the first and second splines, the method including the steps of: introducing the plurality of third teeth intermediate the plurality of first teeth and the plurality of second teeth; and, biasing the plurality of first teeth and the plurality of second teeth against the plurality of third teeth with the at least one spring. | 02-05-2009 |
20090136343 | Torque converter with weld contamination control ring - A torque converter including an input housing having an axial surface and a pump shell having an axial surface. The input housing and the pump shell being welded together and the pump shell or the input housing having a groove facing the other of the pump shell or output housing. The torque converter also including a ring located in the groove and contacting the other of the pump shell or input housing. | 05-28-2009 |
20090297343 | PRECAST GROOVES FOR A STATOR BLADE ASSEMBLY - A stator, including a blade assembly with an inner circumferential surface and a plurality of pre-formed grooves in the inner circumferential surface and an outer race with an outer circumferential surface and a plurality of protrusions at least partially engaged with the plurality of pre-formed grooves. The plurality of protrusions is frictionally engaged with the plurality of pre-formed grooves. In one embodiment, the inner circumferential surface includes an area circumferentially disposed between first and second protrusions from the plurality of protrusions and a portion of the area is displaced radially inward by the engagement of the pluralities of grooves and protrusions. | 12-03-2009 |
20100270118 | BRAZED SUPPORT RING - A support ring for a torque converter including first and second laminations, wherein each of the first and second laminations includes first and second opposite surfaces, wherein the first surfaces of the first and second laminations are matingly engaged and affixed together, and the second surfaces of the first and second laminations form a pair of external, opposite surfaces of the support ring, wherein the first surfaces of the first and second laminations each further comprise at least one hole, at least one protrusion, and wherein the at least one protrusion of the first lamination is engaged in the at least one hole of the second lamination, and wherein the at least one protrusion of the second lamination is engaged in the at least one hole of the first lamination. | 10-28-2010 |
20110120829 | TWO-PIECE FLOW SEPARATION HUB - A flow separation hub including a first hub component, a second hub component affixed to the first hub component, a first passage arranged through the first and second hub components for enabling a first fluid to flow through the flow separation hub, a second passage arranged through the first and second hub components for enabling a second fluid to flow through the hub, wherein the hub prohibits fluid communication between the first and second fluids when the first and second fluids flow through the hub. | 05-26-2011 |
20110123349 | NOTCHED TORQUE CONVERTER BLADE - A hydraulic torque transferring assembly comprising a shell, at least one blade installed in the shell, the blade having an inlet for receiving a flow of fluid, wherein the blade includes a notch, wherein the notch is operatively arranged to reduce a pressure that the flow of fluid exerts on the inlet, and wherein the assembly is for a turbine or an impeller in a torque converter. | 05-26-2011 |
20110150656 | BLADE ASSEMBLY WITH IMPROVED JOINT STRENGTH - A blade assembly for a torque converter including a shell with an inner surface and a plurality of blades attached to the shell by brazing. Each blade has a first surface for guiding a fluid in the torque converter and a second surface substantially parallel to the inner surface. The blades may include sheet steel and may be made by stamping. In an example embodiment of the invention, each blade includes at least one tab, the shell comprises a plurality of slots or indents, and the at least one tab is disposed in a respective slot or indent. The shell may be an outer shell or a core ring for a pump or turbine for the torque converter. | 06-23-2011 |
20120067688 | CLUTCH ASSEMBLY FOR HYBRID TRANSMISSION - A fully contained, drop-in clutch assembly, which includes a clutch cover which has slots, a moveable pressure plate with radially outwardly directed tabs that engages the slots of the clutch allowing axial movement, a fixed pressure plate which is fastened to the clutch cover by fastening elements, a clutch disc disposed between the movable pressure plate and the fixed pressure plate, and a diaphragm spring. By fastening the fixed pressure plate to the clutch cover, the clutch assembly is fully contained, allowing easy assembly to transmission housing and a flexplate. | 03-22-2012 |
20120210706 | ANGLED MOUNTING PLATE FOR TORQUE CONVERTER ASSEMBLY - A torque converter, including a front cover with an exterior surface at least partially facing in a direction parallel to an axis of rotation for the torque converter, and a portion at a furthest radial distance from the axis of rotation. The torque converter also includes: at least one angled mounting plate fixedly connected to the exterior surface of the front cover and including a portion disposed at an acute angle with respect to the axis of rotation; and at least one threaded fastener with: a first end fixedly connected to the portion of the at least one angled mounting plate; and a second end, opposite the first end, disposed further in the direction than the first end, disposed radially outward from the first end, and at a radial distance from the axis of ration less than the furthest radial distance for the front cover. | 08-23-2012 |