Abstract: Provided is a blade assembling method for a converter, wherein a blade 20 held by blade holding means (adsorption part 152) is further relatively moved with respect to a shell 10, whereby, while remaining claws 21B and 21C of the blade 20 are pressed against the upper surface of the shell 10 in an obliquely forward and downward direction by the holding force of the blade holding means (adsorption part 152), the claws 21B and 21C are slid toward grooves 11B and 11C from the near side of the corresponding grooves 11B and 11C and inserted so as to fall in the grooves 11B and 11C to thereby insert all the claws 21A to 21C into all the corresponding grooves 11A to 11C, respectively.

Abstract: A turbine assembly for a hydrokinetic torque converter. The turbine assembly is rotatable about a rotational axis and comprises a first turbine component coaxial with the rotational axis, a second turbine component formed separately from and non-moveably secured to the first turbine component coaxially therewith, and a plurality of grommets. The first turbine component has a plurality of first turbine blade members integrally formed therewith. One of the first and second turbine components has a substantially annular mounting portion provided with a plurality of mounting holes. Each of the grommets is mounted in one of the mounting holes through the mounting portion.

Abstract: A torque converter core ring is provided. The torque converter core ring includes an inner circumference, an outer circumference, radially outer slots extending radially inward from the outer circumference and radially inner slots extending radially outward from the inner circumference. A method of forming a torque converter torus component is also provided. The method includes fixing a plurality of blades to a shell, each of the blades including radially inner tabs and radially outer tabs; forming a core ring to include an inner circumference, an outer circumference, radially outer slots extending radially inward from the outer circumference and radially inner slots extending radially outward from the inner circumference; and fixing the core ring and the blades together by providing each of the radially inner tabs into one of the radially inner slots and providing each of the radially outer tabs into one of the radially outer slots.

Abstract: A brake actuation sensor device is described for a brake system of a vehicle having a strain and/or compression gage which is reversibly variable in its extension, whereby at least one electrical property is able to be changed, and an evaluation device, by which at least one electrical variable is able to be ascertained with respect to the changeable electrical property, and, taking into account the at least one ascertained electrical variable, an evaluation variable is able to be determined with respect to a brake actuating force, the strain and/or compression gage being additionally developed so that the strain and/or compression gage is able to be situated in direct or indirect contact with a brake booster housing device in such a way that a force exerted on the brake booster housing device causes a mechanical stress in the strain and/or compression gage. Furthermore, a method is described for mounting a brake actuation sensor device of a brake system of a vehicle.

Abstract: A hydrodynamic coupling arrangement, particularly hydrodynamic torque converter, comprises a housing arrangement filled with fluid, an impeller rotatable with the housing arrangement around an axis of rotation (A), a turbine arranged in the housing arrangement, and a torsional vibration damper arrangement with an input area which can be coupled to the housing arrangement by a lockup clutch. The driven hub comprises an inner circumferential toothing for coupling to an outer circumferential toothing of a driven member, such that it is fixed with respect to rotation relative to it. The turbine has a turbine hub with an inner circumferential toothing for coupling in a fixed manner with respect to relative rotation to an outer circumferential toothing at the driven hub and/or the outer circumferential toothing of the driven member.

Abstract: A method for manufacturing a fluid power transmission includes a first step of assembling a blade/core provisional assembly having a plurality of blades movably linked to a core, involving aligning the plurality of blades on a blade alignment jig, laying the core over a group of blades while extending a projecting piece provided on each blade through a latching hole provided in the core, and bending an extremity part of the projecting piece thus preventing the projecting piece from coming out of the latching hole, a second step of setting the blade/core provisional assembly at a predetermined position on an inside face of the shell, and a third step of carrying out brazing between the projecting piece and the latching hole and between the blade and the shell. Such method provides a high quality impeller of a fluid power transmission by joining a shell, a blade, and a core.

Abstract: A particle damper is formed using a solid freeform manufacturing technique. A filler provides support for the closing wall of the cavity as it is formed. Apertures allow at least a portion of the filler to be removed. A particle fill of between 90 and 95% is achieved either by removing sufficient filler to reach this fill or removing excess filler and re-filling with damping particles.

Abstract: An impeller for a torque converter is provided. The impeller includes an impeller shell including an inner circumference, an outer circumference and a radial extension extending radially outward from the inner circumference. The radial extension includes an axially extending groove formed therein. The impeller also includes an impeller hub welded to the impeller shell by a weld. The weld is radially inside of the axially extending groove. The axially extending groove is 5 to 10 millimeters from the weld. A method of forming an impeller for a torque converter is also provided.

Abstract: A method for manufacturing a torque converter shell is provided to induce favorable residual stress in a direction of a loading condition to improve durability during cycle pressurization. The method includes inducing favorable residual stress on a front cover, an impeller shell, or both the front cover and the impeller shell to improve the durability of these components. The induced residual stresses reduce the stress experienced by these components during operation. The front cover and impeller shell are welded together to form the torque converter shell.

Abstract: A torque converter is provided. The torque converter includes an impeller; a turbine axially movable toward and away from the impeller; and a damper coupled to the turbine, the damper including an elastic element forcing the turbine against the impeller in a no pressure condition. A method of forming a torque converter is also provided. The method includes forming a damper to include an elastic element; providing the damper inside a front cover so the damper contacts the front cover; and providing axially movable turbine between the damper and an impeller such that the elastic element forces the turbine to engage an impeller in a no pressure condition.

Abstract: A torque converter including a cover with at least one slot located about a periphery and a pump with at least one protrusion located about a periphery of the pump. The protrusion extends axially through the slot and is bent radially about the slot to join the cover and the pump. In some aspects, the converter includes a sealing element disposed between the cover and the pump and the sealing element is selected from the group consisting of an o-ring and a gasket. A method of transferring torque including: inserting at least one peripherally disposed protrusion for one of a pump and cover of a torque converter through at least one peripherally disposed opening in the other of the pump and cover, radially bending the protrusion to clamp the cover and pump, and transmitting torque from the cover to the pump through the protrusion.

Abstract: A stator for a torque converter, including a pump side blade plate with a first outer circumferential portion and a turbine side blade plate with a second outer circumferential portion in contact with the first outer circumferential portion. One of the first or second outer circumferential portions includes an axially extending lip with a plurality of notches and the other of the first or second outer circumferential portions includes a plurality of radially outward protrusions disposed in the plurality of notches and the lip includes a plurality of at least partially radially inward protrusions in contact with other of the first or second outer circumferential portions and exerting force on the other of the first or second outer circumferential portions to urge the pump and turbine side plates together.

Abstract: A method of connecting plates in a torque converter including: forming a head of a rivet with an end surface that is curved or forms multiple planes; forming a portion of an interior surface of the cover to protrude or indent with respect to a surrounding portion of the interior surface; disposing the body of the rivet in respective holes in respective portions of the plates; and displacing the plates such that the end surface of the rivet head contacts the portion of the interior surface, the respective portions of the first and second plates are at an acute angle with respect to the surrounding portion of the interior surface, and a longitudinal axis of the rivet is at an acute angle with respect to a line orthogonal to the surrounding portion of the interior surface.

Abstract: A method for welding components in a torque converter, including: overlapping first and second edge portions of first and second components in the torque converter, respectively; applying energy to the first portion; and melting, in the absence of filler material, at least a portion of the first portion to weld the first and second components. In some aspects, the converter includes a cover and pump and the first component is one of the cover and pump and the second component is the other of the cover and pump. The present invention also broadly comprises a torque converter, including first and second components with overlapping respective edge portions and an autogenous weld, formed from the first component edge portion and in the absence of a filler material, connecting the first and second components.

Abstract: A multiplate torque converter clutch system, which is adapted for installation in torque converters of different automatic transmission manufacturers, namely, BORG WARNER, ALLISON, FORD, GENERAL MOTORS, and CHRYSLER transmissions. The present multiplate torque converter clutch system is provided in kit format including a hybrid lock-up piston/damper plate subassembly, multiple clutch plates including friction rings, a set of outer damper springs, and a set of inner damper springs. The present multiplate torque converter clutch system also includes a torque converter cover subassembly and a turbine hub subassembly configured to adapt the present torque converter clutch system to different vehicle engines and transmissions respectively. The hybrid lock-up piston/damper plate subassembly can be tuned to match a peak engine torque value by changing the number of damper springs.

Abstract: An impeller hub assembly including a first portion connected to a rotor for an electric motor, a second portion connected to an impeller shell of a torque converter, and a rotary shaft seal for hydraulically sealing at least one of the first and second portions of the impeller hub assembly to a housing for the torque converter. The assembly may further include a dynamic seal, a hydraulic chamber at least partially enclosed by the rotary shaft seal and the dynamic seal, and a hydraulic channel in fluid communication with the chamber. In some example embodiments of the invention, the hydraulic channel is for lowering pressure in the chamber by providing a discharge path for fluid in the chamber.

Abstract: A control surface drive system having a plurality of actuator assemblies are coupled to first and second supply lines and to a return line. The first and second supply lines are connected to a source of hydraulic fluid. At least one of the actuator assemblies has a hydraulic actuator movably connectable to an aircraft control surface. A flow control assembly is connected to the return line and to at least one of the first and second supply lines. A bypass line is in fluid communication with the first and second supply lines and positioned to recycle the hydraulic fluid from one of the first and second supply lines back into the other one of the first and second supply lines when the hydraulic actuator moves toward the first position. A computer controller operatively interconnects the plurality of actuator assemblies and the flow control assembly. It is emphasized that this abstract is provided to comply with the rules requiring an abstract.

Abstract: 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.

Abstract: A blade for a torque converter including a body having an outer edge, at least two shell tabs integral to the outer edge and extending therefrom and at least one flexible sealing flange adjacent to at least one of the at least two shell tabs, the at least one flexible sealing flange is integral to the outer edge and extending therefrom, wherein the outer edge is arranged to conform to an inner surface of a shell in a torque converter, the shell having at least two slots arranged therethrough, the at least one flexible sealing flange is arranged to conform to the inner surface of the shell to provide a fluid seal, the at least two shell tabs are disposed through the at least two slots and at least one of the at least two shell tabs is arranged to engage an outer surface of the shell.

Abstract: A method of assembly of a turbomachine that includes a first module and a second module with a second shaft assembled by a bearing, the bearing including an outer ring shrink-fitted inside a journal integral with the first module and an inner ring integral with the second shaft. The second module is assembled on the first module by engagement of the second shaft, with the inner ring, inside the journal. The method includes a step of inserting the second module in the first module up to a determined distance such that the first and second modules are only partially assembled. The second shaft is centered with respect to the journal, the centering being controlled on the basis of measuring distance deviations with respect to a reference on the journal. The journal is expanded by heating its outer surface. After the step of expanding, the second module is displaced inside the first module so as to complete the assembly. This displacement step is started based on a predetermined temperature.

Abstract: 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.

Abstract: A stator shell for a hydrodynamic torque converter (1), wherein said stator shell (2) comprises a plurality of blades (32, 34), wherein said stator shell (2) comprises plural components (20, 22), produced separately from one another and respectively comprising one or plural blades (32, 34) of said stator shell (2), wherein said components (20, 22) are fixated to one another and disposed relative to one another, so that blades (32, 34) of several of said components (20, 22) are disposed respectively offset relative to one another in a circumferential direction forming gaps provided in said circumferential direction extending about a central axis of the stator shell (2), wherein each of said blades (32, 34) is configured from an integral component between its respective leading edge and its respective trailing edge, so that each of the blades (32, 34) is respectively configured integrally from one of the components (20 or 22).

Abstract: In one embodiment, a torque converter includes a two-piece cover, an impeller, a turbine, and a lockup clutch. The two-piece cover includes a base plate that is configured for attachment to a drive member. The base plate has a plurality of lugs around the periphery thereof, and at least some of the lugs have straight flanks. The two-piece cover also includes a cylindrical wall piece that is fixed to the base plate. The impeller is fixed to the cylindrical wall piece. The turbine is rotationally mounted between the impeller and the cover and is configured for attachment to a driven member. The lockup clutch is configured to lock the impeller and cover to the turbine when a fluid pressure applied to the lockup clutch increases above a torque converter lockup pressure.

Abstract: A ring portion of a torque converter shell having a first segment at a distal end of the ring portion, a second segment at a second end of the ring portion adjacent an annular portion of the shell, and a ribbed portion located axially between the first segment and the second segment, and extending in a radial direction beyond the first and second segments.

Abstract: A torque converter including a cover and a bridging clutch for selective connection to the cover, the bridging clutch including a clutch plate fixed to the cover and having an inner radial surface and having a piston having an outer radial surface opposite the inner radial surface. A method for assembling a torque converter is also provided.

Abstract: A method for manufacturing a torque converter includes providing an outer race of a one way clutch, contacting the outer race with a side plate, and casting a stator housing together with the outer race and the side plate. A torque converter is also provided.

Abstract: A torque converter includes a turbine, a lockup clutch including a piston, and a damper having at least one cover plate, the cover plate being attached directly to piston. A method for assembling the torque converter includes passing a section of the piston through a hole in the cover plate and attaching the piston to the cover plate at the hole.

Abstract: An impeller for a fluid transmitting device includes a hub and a bowl-shaped shell connected to an outer peripheral portion of the hub via an annular weld seam. An inner peripheral surface of the shell is fitted to an outer peripheral surface of the hub, and the weld seam is formed therebetween by laser welding over an entire length of fitting depth. Thus, it is possible to form the annular weld seam between the hub and the shell with a relatively small amount of heat input, and to precisely perform a visual inspection as to whether the weld seam is good or not without any skill.

Abstract: A blade with first and second blade tabs extending outwardly from an edge of the blade; and a shell with a first indent and a first slot. The first blade tab is arranged to engage the first indent and the second blade tab is arranged to engage the first slot. In one embodiment, the first indent is arranged radially inward on the shell relative to the first slot. In one embodiment, the first blade tab is affixed to the first indent. In one embodiment, the second blade tab is bent over an outside surface of the turbine shell. In one embodiment, the shell includes a second indent and the blade includes a third blade tab extending outwardly from the edge and at least partially disposed in the second indent.

Abstract: An impeller 3 configures a fluid chamber and includes impeller blades 17 and an annular impeller hub 18. A turbine 4 is disposed to face the impeller 3 and includes turbine blades 22 and an annular turbine hub 23 disposed at an inner peripheral side of the turbine blades 22. A ball bearing 8 is disposed between an inner peripheral surface of the impeller hub 18 and an outer peripheral surface of the turbine hub 23. A first stop ring 34 that engages with a first groove 19 and an engagement groove 31a fixes the ball bearing 8 with respect to the impeller hub 18 due to the ball bearing 8 and the impeller hub 18 being brought into close proximity to each other in the axial direction. A second stop ring 35 engaged with a second groove 24a fixes the ball bearing 8 and the turbine hub 23.

Abstract: A coupling apparatus for a motor vehicle, including a hub designed to link in rotation an output shaft and a turbine wheel a clutch for locking the coupling between the input shaft and output shaft. A locking piston is axially mobile between a wall integral with the turbine wheel and a wall for locking a crankcase designed rotatable link the input shaft and an impeller wheel. A female member of sealing mechanism, linked to the piston axially about a male member of the sealing mechanism, linked to the hub. A damping mechanism is clamped between the piston and the wall and an output member linked to the hub. The male member and the damping output member are each mounted on the hub or born by a member mounted on the hub.

Abstract: A process to restore and refurbish an engine part or accessory. The process includes the steps of visually inspecting the pair or accessory for cracks, erosion or broken areas. Selected areas of the part or accessory are then machined or drilled off. The selected areas of the part or accessory are then built up in excess of finished dimensions by welding. Finally, the selected areas of the part or accessory are machined to their finished dimensions.

Abstract: The invention provides a high-strength stamped aluminum brazed turbine for use in an automotive transmission torque converter, and a method therefor. The method includes stamping aluminum inner and outer shells each having a plurality of slots, and stamping a plurality of aluminum turbine blades having tabs. The tabs of the turbine blades are inserted into the slots of the inner and outer shell, and the tabs are bent to attach the turbine blades to the inner and outer shell. The turbine blades are brazed to the inner and outer shell with a silicon material, thereby forming a turbine of sufficient strength to operate in the powerflow path of an automotive transmission using transmission oil as its working fluid.

Abstract: A nanophase composite duct assembly and method of fabricating the same are provided that comprise an ultra-high strength nanophase aluminum alloy duct joined with a ceramic particulate reinforced metal matrix fitting, preferably using solid-state friction welding. The nanophase aluminum alloy duct is fabricated by extruding a billet formed by a process of cryogenic milling the alloy, followed by out-gassing, then hot isostatic pressing. The fitting is fabricated by combining a ceramic particulate with a metal matrix, preferably by powder processing or liquid metal infiltration. Further, the solid-state friction welding may comprise inertial welding, friction stir welding, or a combination thereof. As a result, a lightweight duct assembly is provided for high-pressure liquids such as propellants in rocket engines.

Abstract: In manufacturing a fuel inlet, bulge forming and bend processing are conducted to a stainless pipe which will serve as an inlet pipe. Next, one end of the stainless pipe is eccentrically expanded, and the hardened portion is removed. After the pipe expanding step is finished, boring processing is conducted so that a breather pipe can be inserted into the inlet pipe, a guide is spot-welded to the inside of the eccentrically expanded portion, and a screw structure is formed. The inlet pipe and the breather pipe are degreased and cleaned as a pretreatment for brazing, and brazing is conducted by using BAg-4 (Low-temperature brazing material) at a temperature of 750-850° C. Removing of the flux and cleaning are conducted as a post-treatment for brazing, and finally coating is conducted.

Abstract: A method of connecting a starter ring gear connected with a converter cover, and a torque converter including a starter ring gear connected with a converter cover by the method. The method includes setting the starter ring gear at a corner portion of the converter cover in alignment with each other, and producing a plastic flow of metal at the corner portion thereof, the plastic flow of metal forming an engaging member disposed on an outer circumferential surface of a cylindrical wall of the converter cover and engaged with an engaging member disposed on an inner circumferential surface of the starter ring gear, to thereby connect the starter ring gear with the converter cover. The starter ring gear and the converter cover are rotatable about a rotation axis. The corner portion of the converter cover is formed between the cylindrical wall and a disk wall connected therewith.

Abstract: A process of manufacturing a component for a hydrodynamic machine in which the component comprises a base body (16) and a plurality of blades (8) which are to be installed on the base body (16). The process comprises the steps of installing the plurality of blades (8) on the base body (16) by a shaped fitted connection with the base body (16) by applying continuous pressure against the base body (16) and using a prefabricated torus as the base body (16). The prefabricated torus is pressed by a pressure roller (20) against the plurality of blades (8) while holding the plurality of blades (8) in a device (4) against the pressure of the pressure roller (20). A component for a hydrodynamic machine, comprising a base body (16) and a plurality blades (8) installed by the inventive process, is also disclosed.

Abstract: A strong lightweight front cover 11 that prevents distortion of a sliding contact surface when the front cover and impeller shell are welded together is provided. The front cover 11 has a radial flange part 44 and an axial flange part 42 that extends from an outside edge of radial flange part 44. The radial flange part 44 has a sliding contact surface 44a on an axially facing surface thereof for sliding against a friction facing 76. The axial flange part 42 has a connection part 51 that connects to the radial flange part 44 and a welding part that is connected by welding to a pump impeller. The various portions of the front cover 11 have differing rigidities and thicknesses.

Abstract: A method for manufacturing a drive plate or one-piece torsional vibration damper retainer plate (20) for a torque converter (26) is disclosed. The retainer plate includes an annular periphery (36) curled into a generally C-shaped channel (46) for retaining at least one spring (56). The method includes the following steps. First, the retainer plate (20) is stamped primarily to form a central plate segment (34), an annular periphery (36), and a hub opening (44). Next, the annular periphery of the retainer plate is pre-curled. The plate is then heat treated to enhanced the physical properties of the retainer plate. The spring is disposed within the pre-curled annular periphery. Finally, the annular periphery of the retainer plate is completely curled into the generally C-shaped channel to substantially surround the spring thereby preventing the spring from being removed from the C-shaped channel of the retainer plate during operation of the retainer plate.

Abstract: A torque converter comprises an impeller shell, a pump impeller integrally formed with the impeller shell, a turbine runner, a stator, a front cover, and at least one of a flanged portion through which a driving power of an engine is transmitted and a ring gear for a starter. The flanged portion is formed on an outer peripheral portion of an outer hull that includes the impeller shell and the front cover. A pilot boss portion is disposed at an axial portion of the front cover and is adapted to be fitted to a crank shaft of the engine, and a sleeve-like oil pump driving shaft is disposed at an axial portion of the impeller shell and is adapted to drive an oil pump. The pilot boss portion is formed integrally with the front cover through a plastic working operation, and the flanged portion formed at a front portion of the outer periphery of the front cover is increased in thickness through a plastic working operation that forms the flanged portion as a lamination.

Abstract: A torque converter comprises an impeller shell, a pump impeller integrally formed with the impeller shell, a turbine runner, a stator, a front cover, and at least one of a flanged portion through which a driving power of an engine is transmitted and a ring gear for a starter. The flanged portion is formed on an outer peripheral portion of an outer hull that includes the impeller shell and the front cover. A pilot boss portion is disposed at an axial portion of the front cover and is adapted to be fitted to a crank shaft of the engine, and a sleeve-like oil pump driving shaft is disposed at an axial portion of the impeller shell and is adapted to drive an oil pump. The pilot boss portion is formed integrally with the front cover through a plastic working operation, and the flanged portion formed at a front portion of the outer periphery of the front cover is increased in thickness through a plastic working operation that forms the flanged portion as a lamination.

Abstract: A torque converter comprises an impeller shell, a pump impeller integrally formed with the impeller shell, a turbine runner, a stator, a front cover, and at least one of a flanged portion through which a driving power of an engine is transmitted and a ring gear for a starter. The flanged portion is formed on an outer peripheral portion of an outer hull that includes the impeller shell and the front cover. A pilot boss portion is disposed at an axial portion of the front cover and is adapted to be fitted to a crank shaft of the engine, and a sleeve-like oil pump driving shaft is disposed at an axial portion of the impeller shell and is adapted to drive an oil pump. The pilot boss portion is formed integrally with the front cover through a plastic working operation, and the flanged portion formed at a front portion of the outer periphery of the front cover is increased in thickness through a plastic working operation that forms the flanged portion as a lamination.

Abstract: A torque converter comprises an impeller shell, a pump impeller integrally formed with the impeller shell, a turbine runner, a stator, a front cover, and at least one of a flanged portion through which a driving power of an engine is transmitted and a ring gear for a starter. The flanged portion is formed on an outer peripheral portion of an outer hull that includes the impeller shell and the front cover. A pilot boss portion is disposed at an axial portion of the front cover and is adapted to be fitted to a crank shaft of the engine, and a sleeve-like oil pump driving shaft is disposed at an axial portion of the impeller shell and is adapted to drive an oil pump. The pilot boss portion is formed integrally with the front cover through a plastic working operation, and the flanged portion formed at a front portion of the outer periphery of the front cover is increased in thickness through a plastic working operation that forms the flanged portion as a lamination.

Abstract: A torque converter comprises an impeller shell, a pump impeller integrally formed with the impeller shell, a turbine runner, a stator, a front cover, and at least one of a flanged portion through which a driving power of an engine is transmitted and a ring gear for a starter. The flanged portion is formed on an outer peripheral portion of an outer hull that includes the impeller shell and the front cover. A pilot boss portion is disposed at an axial portion of the front cover and is adapted to be fitted to a crank shaft of the engine, and a sleeve-like oil pump driving shaft is disposed at an axial portion of the impeller shell and is adapted to drive an oil pump. The pilot boss portion is formed integrally with the front cover through a plastic working operation, and the flanged portion formed at a front portion of the outer periphery of the front cover is increased in thickness through a plastic working operation that forms the flanged portion as a lamination.

Abstract: A torque converter comprises an impeller shell, a pump impeller integrally formed with the impeller shell, a turbine runner, a stator, a front cover, and at least one of a flanged portion through which a driving power of an engine is transmitted and a ring gear for a starter. The flanged portion is formed on an outer peripheral portion of an outer hull that includes the impeller shell and the front cover. A pilot boss portion is disposed at an axial portion of the front cover and is adapted to be fitted to a crank shaft of the engine, and a sleeve-like oil pump driving shaft is disposed at an axial portion of the impeller shell and is adapted to drive an oil pump. The pilot boss portion is formed integrally with the front cover through a plastic working operation, and the flanged portion formed at a front portion of the outer periphery of the front cover is increased in thickness through a plastic working operation that forms the flanged portion as a lamination.

Abstract: A blade assembly for a hydraulic power transmitting apparatus is made up of a plurality of blades disposed at an equal distance from one another; a joint piece provided at a radially outer end of each of the blades; and a tie member for tying the blades together at the joint pieces. The blades, the joint pieces and the tie member are integrally formed as a continuous semi-manufactured product of a belt-shaped metal plate. Each of the blades is raised or erected from a plane including the tie member. The joint piece is bent to change a direction of the tie member. The tie member containing therein a required number of blades is fixedly joined together at both ends into a ring shape.

Abstract: An impeller for a hydraulic power transmitting apparatus has a shell and a plurality of blades fixed to the shell. Each of the blades has a blade main body and a fixing flange which is bent at an angle relative to the blade main body. The shell and the fixing flange are placed one on top of the other and are pressed together at a fixing point such that a hollow cylindrical projection having a bottom is formed. The projection is made up of a diametrically expanded portion along a bottom outer periphery of that member out of the shell and the fixing flange which lies on an inner side in the projection. The expanded portion is thrusted into that member out of the shell and the fixing flange which lies on an outer side in the projection.

Abstract: A hub arrangement for a hydrodynamic torque converter includes a first hub component forming a first hub area with a first connection area connectable with a converter housing of the torque converter, a second hub component forming a second hub area with a second connection area connectable with a lockup clutch of the torque converter, and a fluid channel arrangement having at least one fluid channel connecting a radial inner area of the hub arrangement with a radial outer area. The first hub component and the second hub component contact one another at least in some areas in surface regions thereof which are located opposite one another. A recess arrangement is arranged in at least one of the oppositely located surface regions of the first and second hub components for forming the fluid channel arrangement.

Abstract: A method for making a torque converter includes the steps of forming a blade having a tab extending outward from the blade and along a portion of a length of the blade. A recess is formed in the housing sized to receive the first tab. The recess defines an edge adjacent the tab and extending along the tab. The tab is inserted within the recess to form a housing assembly. A brazing material is provided between the tab and the housing.

Abstract: The instant invention provides an inexpensive method of repairing the hollow drive shaft hub of a torque converter impeller housing. The impeller hub is turned to a smaller outer diameter and a sleeve having a wear resistant surface is fitted to the turned outer hub diameter. The sleeve may be further secured by mechanical interference, bonding, or welding.