Abstract: A torque converter, including: a cover arranged to receive torque and supported for rotation around an axis of rotation; an impeller including an impeller shell connected to the cover and at least one impeder blade; a turbine in fluid communication with the impeller and including a turbine shell and at least one turbine blade; and a stator assembly including a stator including a plurality of stator blades, a side plate including a radially outer surface defining a slot, a one-way clutch axially disposed between the stator and the side plate, and a washer including an annular body portion in contact with the side plate, and an axial protrusion extending past the annular body portion in a first axial direction parallel to the axis of rotation, and disposed in the slot.

Abstract: A hydrokinetic torque converter comprises a stator assembly and a turbine assembly rotatable about a rotational axis. The stator assembly comprises a stator comprising an annular stator hub coaxial to the rotational axis, an annular turbine core ring coaxial to the rotational axis, and a plurality of stator blades integral with and interconnecting the stator hub and the turbine core ring. The turbine assembly comprises a first turbine component coaxial with the rotational axis, and a second turbine component non-moveably secured to the turbine component coaxially therewith. The first turbine component is formed separately from the second turbine component. The first turbine component has a plurality of first turbine blade members integrally formed therewith.

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: The invention relates to tuned multifunctional linker molecules for charge transport through organic-inorganic composite structures. The problem underlying the present invention is to provide multifunctional linker molecules for tuning the conductivity in nanoparticle-linker assemblies which can be used in the formation of electronic networks and circuits and thin films of nanoparticles. The problem is solved according to the invention by providing a multifunctional linker molecule of the general structure CON1-FUNC1-X-FUNC2-CON2 in which X is the central body of the molecule, FUNC1 and FUNC2 independently of each other are molecular groups introducing a dipole moment and/or capable of forming intermolecular and/or intramolecular hydrogen bonding networks, and CON 1 and CON 2 independently of each other are molecular groups binding to nanostructured units comprising metal and semiconductor materials.

Abstract: An apparatus for controlling an operation of a torque converter having a turbine and an impeller includes a drive member, a first clutch member, and a second clutch member. The drive member is configured to rotate in unison with an output shaft of a prime mover. The first clutch member is associated with the impeller and disposed in selective engagement with the drive member. The first clutch member is configured to allow rotation of the impeller and cause torque multiplication to occur in the torque converter upon engagement with the drive member. The second clutch member is associated with the turbine and disposed in selective engagement with the drive member. The second clutch member is configured to allow rotation of the output shaft of the prime mover and the turbine in unison upon engagement with the drive member.

Abstract: A stator assembly for a torque converter includes first and second blade plates, a one-way clutch assembly disposed axially between the blade plates and a centering plate. The one-way clutch assembly has an inner race with an outer circumferential surface, an outer race with an outer circumferential surface, and a plurality of blocking elements disposed radially between the inner race and the outer race. The centering plate includes a ring portion grippingly engaged with the outer race outer circumferential surface and an annular portion with an inner circumferential surface arranged to radially position the inner race outer circumferential surface. In an example embodiment, at least one of the blade plates is made by stamping.

Abstract: A torque converter, including: a cover; a first through bore for receiving a transmission input shaft; a clutch including a piston plate; a plurality of fasteners connected to the cover; and a plate connected to the cover. The plate includes a radially aligned wall including a plurality of openings in which the plurality of fasteners is disposed; a second through bore at least partially aligned, in an axial direction, with the first through bore; and a plurality fins extending from the radially aligned wall in the axial direction. Each fin includes a first end aligned with the first and second through bores in the axial direction. Each fin includes a second end disposed radially within the plurality of openings. A space, aligned with an axis of rotation for the torque converter and the second through bore, is formed between the respective first ends.

Abstract: A vehicle driving apparatus includes: a torque converter having a pump vane wheel, a turbine vane wheel, and a stator vane wheel, the stator vane wheel rotatably disposed between the turbine vane wheel and the pump vane wheel; an electric motor that drives the stator vane wheel; a 25 first connecting and disconnecting means capable of connecting and disconnecting the electric motor and the stator vane wheel to/from each other; and a second connecting and disconnecting means capable of connecting and disconnecting the electric motor and a output shaft to/from each other.

Abstract: The present invention broadly comprises a stator blade assembly for a torque converter stator including an inner ring having first openings; an outer ring having second openings; and extruded blades with first and second ends. The first end is disposed in a respective first opening and arranged to radially fix each blade with respect to the inner ring and the second end is disposed in a respective second opening and arranged to radially fix each blade with respect to the outer ring. In some aspects, the inner ring includes an inner circumferential surface and a portion of the first end extends radially inward past the inner surface and is in contact with the inner surface. In some aspects, the outer ring includes an outer circumferential surface and a portion of the second end extends radially outward past the outer surface and is in contact with the outer surface.

Abstract: The invention relates to a drivetrain, in particular a motor vehicle drivetrain, comprising: an engine; a gearbox comprising a main output and at least one auxiliary output; a hydrodynamic machine disposed at the auxiliary output on the gearbox output side; the hydrodynamic machine comprises a housing, stator vanes, and a rotor blade wheel; the rotor blade wheel can be driven by an input shaft; the input shaft is the output shaft of the auxiliary output or a shaft coaxially connected thereto.

Abstract: The present invention broadly comprises a blade for a torque converter stator including a first blade segment connected to inner and outer circumferential sections of the stator and a second blade segment, separately formed from the first blade segment, and connected to the circumferential sections. In some aspects, the blade segments are: in contact along edges, overlapped, circumferentially misaligned, at least partially folded, stamped, or cast. Configurations of the blade segments can be selected to modify performance characteristics of the stator such as torque ratio, efficiency, and capacity. In some aspects, the blade segments are in a circumferential alignment, and the stator includes an alignment element operatively arranged to control the circumferential alignment, for example, in response to pressure from fluid in the stator upon the blade. In some aspects, the stator includes axial halves, separately formed and fixedly connected and the blade segments are connected to respective halves.

Abstract: A torque converter in which the output height of the output openings of the stator is higher than the input height of the input openings, producing a stator with a diffuser effect.

Abstract: The present invention broadly comprises a stator blade assembly for a torque converter stator including an inner ring having first openings; an outer ring having second openings; and extruded blades with first and second ends. The first end is disposed in a respective first opening and arranged to radially fix each blade with respect to the inner ring and the second end is disposed in a respective second opening and arranged to radially fix each blade with respect to the outer ring. In some aspects, the inner ring includes an inner circumferential surface and a portion of the first end extends radially inward past the inner surface and is in contact with the inner surface. In some aspects, the outer ring includes an outer circumferential surface and a portion of the second end extends radially outward past the outer surface and is in contact with the outer surface.

Abstract: The apparatus of the present invention provides a torque converter that is looser at stall than it is at 0.8 speed ratio. The torque converter includes a stator having a plurality of stator blades. The stator blades each define a primary leading edge, a trailing edge, and preferably include a flange defining a secondary leading edge. The stator blade flange extends away from each blade such that the secondary leading edge points generally to the primary leading edge of a preceding stator blade. In this manner, the secondary leading edge is designed at stall to catch flow coming past the primary leading edge of the upstream blade and to redirect the flow back out of the front of the stator. The secondary leading edge is further designed to hide in the wake of the primary leading edge at higher speed ratios.

Abstract: A stator blade for a hydrokinetic torque converter, the blade profile having geometric characteristics that improve torque flow efficiency in the converter torque flow circuit, whereby the torque converter efficiency at high speed ratios is improved without significant adverse effects on the converter torque ratio at stall and at low speed ratios.

Abstract: The present invention is related to a blade of a stator, where a passage is formed in the blade of a conventional stator which constitutes a torque converter and thereby generates stable torque and prevents sag in the stall state and at low speed ratios. The present invention is characterized in that an oil flow passage is newly formed between the pressure side and the suction side of the blade of the stator. The present invention avoids the occurrence of flow separation and recirculation regions at low speed ratios through modification of the structure of the blade of the stator and thereby prevents performance deterioration and may improve the overall performance of the torque converter.

Abstract: A structure has individual oil passages for different applications of oil. A torque converter is provided on a crankshaft having an axially extending center hole. A crank chamber and a transmission chamber are separated from each other through a one-way valve. A pipe is inserted in the center hole of the crankshaft to form an oil passage for supplying hydraulic oil for driving the torque converter, an oil passage returned from the torque converter, and an oil passage for supplying a lubricating oil to the area surrounding the crankshaft. The oil passage returned from the torque converter is in communication with a chamber defined by a pair of inner and outer oil seals for sealing a bearing mounted on the crankshaft, a lower portion of the transmission chamber, and an oil passage having a check valve at the downstream end thereof.

Abstract: An automatic transmission includes a stator support shaft having an internal axial bore for receiving an input shaft, a forward engagement portion for engaging a stator of a torque converter, and a central engagement portion for engaging a stator support and transferring to the stator support substantially all of a torque load imposed on the stator support shaft by the stator. A rearward portion of the stator support shaft is positioned rearward of the central engagement portion. An oil seal groove is positioned in the internal axial bore of the rearward portion to receive an oil seal to seal between the stator support shaft and the input shaft.

Abstract: A torque converter defines an ellipticity lower than or equal to 0.23 which is an outermost length of the torque converter in an axial direction, divided by an outermost diameter of the torque converter in a radial direction. The torque converter includes: a pump impeller connecting to an input shaft; a turbine runner opposed to the pump impeller and connecting to an output shaft; and a stator disposed between an inlet of the pump impeller and an outlet of the turbine runner, by way of a one way clutch which allows a one way rotation. The torque converter transmits a power by circulating a fluid through the pump impeller, the turbine runner and the stator. A first area ratio A is: 0.23?A?0.45, A second area ratio B is: 0.23?B?0.45, and A third area ratio C is: 0.15?C<0.23.

Abstract: A tandem master cylinder in which fluid under pressure is supplied to a primary outlet port from a primary pressure space in a bore between a positively actuated main piston and a floating or secondary piston, and to a secondary outlet port from a secondary pressure space between the floating or secondary piston and an end of a housing closing the bore, the position of the primary piston with respect to the secondary piston being determined by the length in a released position of a return spring which acts between the two pistons, the return spring being caged between the main position and a sleeve in abutment with the secondary piston and which is coupled to the main piston through an axially extending headed stem to determine a defined position, further in which the distal end of the stem is of a reduced diameter and a shoulder at the step in diameter defines a cutting edge, insertion of the stem into a bore in the main piston of a diameter not less of that of the distal end causing the cutting edge to cut

Abstract: The invention relates to a hydrodynamic coupling. Said coupling comprises a primary wheel (2; 2.2; 2.3) and a secondary wheel (3; 3.2; 3.3), which together form a toroidal working chamber (4; 4.2; 4.3), a shell (5; 5.2; 5.3), which is connected in a rotationally fixed manner to the primary wheel and surrounds the secondary wheel in the axial direction and at least partially in the radial direction, thus forming an intermediate chamber (6; 6.2; 6.3) and at least one passage (8; 8.2; 8.3) that is located in the outer radial area of the shell. The invention is characterised by the following features: a second shell (10; 10.2; 10.3) coupled in a rotationally fixed manner to the first shell and/or the primary wheel, thus forming a second intermediate chamber (11; 11.2; 11.3); the second intermediate chamber is connected to the first intermediate chamber via the passage (13; 13.2; 13.

Abstract: The present invention is related to a blade of a stator, where a passage is formed in the blade of a conventional stator which constitutes a torque converter and thereby generates stable torque and prevents sag in the stall state and at low speed ratios. The present invention is characterized in that an oil flow passage is newly formed between the pressure side and the suction side of the blade of the stator. The present invention avoids the occurrence of flow separation and recirculation regions at low speed ratios through modification of the structure of the blade of the stator and thereby prevents performance deterioration and may improve the overall performance of the torque converter.

Abstract: A torque converter for a vehicle having a substantially reduced axial length relative to a conventional circular-shaped torus cross section. The torque converter includes a turbine and an impeller, with a stator mounted generally therebetween. The stator is one piece and formed with axial pull shaped blades that have a reactor blade base axial length that extends for the majority of the radial length, a reactor shroud axial length that is less than the reactor blade base axial length, and a taper in the blade between the two axial lengths.

Abstract: An oil passageway 102 for suppling oil to a torque converter 30 having a pump impeller, a turbine runner and a stator 33, or removing it therefrom is formed between the shaft member 41 of a stator shaft 40 and the boss portion 42a of its flange member 42 and extends along a transmission input shaft 20, while a pump impeller boss member 31a has an outer periphery supported facing the pump impeller boss member 31a and situated closer to the stator 33 than that portion of the pump impeller boss member 31a which is supported by the bearing and the oil passageway 102 has its openings 40b and 40c situated closer to the stator 33 than that portion of the pump impeller boss member 31a which is supported by the bearing.

Abstract: A stator wheel for a hydrodynamic torque converter comprises a stator wheel hub arrangement and a plurality of stator wheel blades arranged successively in the circumferential direction of the stator wheel hub arrangement. Each stator wheel blade has a radial inner flow-around profile area and a radial outer flow-around profile area such that a flow-around profile in the radial outer flow-around profile area differs from a flow-around profile in the radial inner flow-around profile area.

Abstract: A torque converter is provided with a stator assembly having a nonrotatable body portion and a plurality of blades pivotally attached to the body portion. The plurality of blades are pivotable between a first position for providing torque multiplication and a second position out of the fluid flow.

Abstract: A torque converter is designed to control the torque capacity C and prevent a constant torque capacity C when the speed ratio E is in the middle to high operational range. The torque converter includes a bladed pump impeller driven by an internal engine, a bladed turbine runner in fluid flow relation with the pump impeller, and a bladed stator for redirecting fluid to produce a toroidal flow path of hydraulic fluid. The blades of the stator have an inlet portion facing the turbine runner and to which flows hydraulic fluid from the turbine runner, an outlet portion facing the pump impeller and discharging hydraulic fluid from the stator, a pressure surface disposed on one side of the blade between the inlet portion and the outlet portion, a suction surface disposed on another side of the blade, and a plate portion disposed near the inlet portion.

Abstract: A composite member has a diecast part and a hub part that consists of a harder material than the diecast part. The diecast part is attached to the hub part by diecasting within a diecast mold. The hub part has at least one end face. The at least one end face has an annular sealing projection that, during diecasting of the diecast part, rests at a surface of the diecast mold and is deformed by the diecast mold.

Abstract: Stator structure is provided which is capable of suppressing an increase in fluid sound while maintaining high driving force transmission efficiency. The stator structure is disposed between the turbine runner and pump impeller of a torque converter and is provided with a plurality of circumferential vane portions for increasing torque which is input to the automatic transmission by employing reaction force produced when a flow of oil within the torque converter is abutted in a stall state. Rib portions for rectifying a flow of abutted oil are formed on the exterior surface of the vane portion.

Abstract: A stator 6 includes an annular inner shell 11, an annular outer shell 12 and blades 13. The outer shell 12 is arranged radially outside the inner shell 11. The blades 13 are formed between the inner shell 11 and the outer shell 12, and are arranged at a plurality of circumferentially aligned positions, respectively. Each blade 13 extends from the inner shell 11 to the outer shell 12 and thereby couples the outer peripheral portion of the inner shell 11 and the inner peripheral portion of the outer shell 12 together. A rate of change in cross sectional area of the blade changes at a position located radially outside the inner shell 11 at a distance in a range from 1/6 to 1/2 of a distance (r2-r1) between the outer peripheral portion of the inner shell 11 and the inner peripheral portion of the outer shell 12.

Abstract: A hydrodynamic torque converter with a converter circuit comprising an impeller, a turbine and a stator, wherein the stator is held by an axial bearing arrangement in the converter housing at a predetermined relative distance from the impeller and the turbine. The axial bearing arrangement has a grooved sliding bearing at each axial side of the stator. In at least one of the sliding bearings, the grooves are formed through only a part of the entire radial length of the sliding bearing.

Abstract: A stator blade 13 has a blade tip 14, a blade trailing edge 15, a back 16 and a face 17. The blade tip 14 is an edge of the peripheral surface of the stator blade 13 near the turbine. The blade trailing edge 15 is an edge of the peripheral surface of the stator blade 13 near the impeller. The back 16 is a portion of the peripheral surface of the stator blade 13 extending between the blade tip 14 and the blade trailing edge 15 and opposed to the impeller 4, and has a streamline section. The face 17 is a portion of the peripheral surface of the stator blade 13 extending between the blade tip 14 and the blade trailing edge 15 and opposed to the turbine 5, and is formed of a streamline portion 17a and a plane portion 17b located near the blade tip 14. The shape of the stator blade 13 is such that a capacity coefficient (Cf) of a torque converter is lower when a speed ratio (e) is 0, and thereby improving fuel consumption during idling.

Abstract: A vehicle torque converter for forming a circulation path of an oil and transmitting a rotary torque is provided which includes an impeller, turbine and stator, each having a plurality of blades. Each blade of at least one of the impeller and the turbine has a radially inner half portion, a radially outer half portion, and a boundary fence that extends along the circulation path and separates the radially inner half portion and radially outer half portion from each other.

Abstract: A vehicle torque converter for forming a circulation path of an oil and transmitting a rotary torque is provided which includes an impeller, turbine and stator, each having a plurality of blades. Each blade of the stator is divided into a radially inner half portion and a radially outer half portion in a radial direction of the circulation path. The radially inner half portion has a front edge that is set back from a front edge of the radially outer portion, and is inclined with respect to a direction of a rotation axis of the torque converter by a larger angle than the radially outer half portion.

Abstract: A fluid torque converter using a stator assembly adapted to be formed by a die assembly essentially consisting of two halves that can be separated apart in an axial direction when removing a formed stator assembly, a part of an inner circumferential surface of the core ring adjacent to a pressure surface of each of the stator blades is provided with a bulge. Owing to the bulges provided in the inner circumferential surface of the core ring adjacent to the pressure surfaces of the stator blades, the annular fluid flow can be conducted in smooth fashion, and flow separation can be avoided. As a result, the efficiency of the torque converter and the power response of the automatic transmission system can be improved while the stator assembly can be fabricated at a low cost by using a die assembly which can be drawn apart in the axial direction.

Abstract: A torque converter having an impeller, turbine, and stator each formed of interconnecting upper and lower members, and a method for producing the same. The upper and lower members each include a number of spaced apart blades disposed about a central axis. Preferably, the corresponding upper and lower members are die cast with blades spaced apart at twice the distance desired in the completed assembly. When the upper and lower members are interconnected, their blades nest such that each member provides every other blade of the assembled component.

Abstract: In a torque converter of a coreless type allowing and utilizing a fluid flow in a central core region, the impeller blade exit angle is made smaller in the central core region than in an outer region surrounding the core region so as to increase the velocity and amount of the fluid flow circulating in the outer region and participating in torque multiplication, and decrease the velocity and amount of the fluid flow circulating in the core region like the fluid flow in a fluid coupling.

Abstract: A speed ratio detecting valve means of torque converter comprising a hub of a stator vane spline fitted onto a fixed shaft and being freely rotatable through a prescribed play angle, the hub being permitted to rotate relative to the fixed shaft by said play angle at a prescribed speed ratio utilizing a phenomenon that the direction of force of a working fluid in the torque converter exerted on the stator vane is reversed when an input-output rotation speed ratio reaches said prescribed value, and causing a fluid passage opening through a fixed shaft inside to an outer periphery of the fixed shaft to joint with or shut off from its jointing part.

Abstract: The improved design of a closed toroidal circuit enabling various arrangements of bladed converter members or elements, with many of them standardized for the economical manufacture of various types of converters. The shapes of the outer and inner walls of the toroidal circuit in a radial converter plane are determined by a construction trapezoid and construction rectangle, respectively, that are specified by a system of rectangular coordinates and which have their corners rounded by arcs of specified radii. The outer and inner walls are tangent to an infinite number of circles the diameter of each of which is formulated in relation to the distance of the circle center from the converter axis and the maximum radius of the circuit.

Abstract: A torque converter having an impeller incorporating blades having a negative outlet tip angle in the range of 20.degree. to 30.degree. to reduce the torque absorption capacity of the impeller at engine idle. The stator blades are set at a check angle in the range of 51.degree. to 53.degree. and have a sharp nose displaced circumferentially from the entrance flow of the stator thereby inducing fluid turbulence at the stator inlet during converter stall.

Abstract: Torque converter with a stator whose blades are selectively set at open and closed position to tailor converter operation for optimized vehicle performance and fuel economy. Turbine discharge pressure is routed to impeller side of stator control piston to move stator blades to low angle position for improved engine economy during vehicle coast down operation. Low angle stator is also used for economical anti-creep idle and for higher stall speeds and acceleration when needed. For economical cruising and other operation, the stator blades are set at their high angle or open position.

Abstract: The stator assembly of a torque converter includes a stator wheel, a one-way brake for connecting the stator wheel to a stator shaft, a thrust washer provided on each side of the one-way brake and a pair of snap rings fixed to the stator wheel for locating the thrust washers. A gap is provided between the outer circumference of the thrust washer and the stator wheel to prevent undesirable engagement therebetween which would adversely effect the operation of the one-way brake.

Abstract: The invention provides a power transmission apparatus especially for automobiles. It consists of a fluid torque converter coupled with gearing. The gearing includes a first gearing connecting the circulatory turbine to the input shaft and a second gearing connecting the first gearing to the output shaft and to a stationary part. Two unidirectional detents are provided, the first of which acts between the second gearing and a stationary part and the second of which acts between the torque converter reactor and the second gearing. The two detents are in series. Forwards rotation of part of the second gearing drives the reactor in a forwards direction and negative torque on the reactor or said part of the second gearing can act on said stationary part.

Abstract: A hydraulically actuated lockup clutch is arranged between the cores of the pump and turbine elements of a torque converter for directly coupling them together for operation above the clutch point. For engagement and disengagement of the lockup clutch, which can be of the multiplate type, the turbine element is moved toward and away from the pump element under the control of a control valve which selectively communicates a clutch actuating chamber within the converter with an external pump assembly and with a fluid drain. Alternatively, a clutch actuating chamber can be formed between the core of the pump or turbine element and a movable pressure plate, so that the latter may travel toward and away from the former for engagement and disengagement of the clutch.

Abstract: A torque converter comprises a vaned rotary impeller shell secured to the flywheel of a motor for driving the same, a vaned rotary turbine component secured to a turbine shaft which constitutes the output of the converter as a result of the torque conversion which takes place between the impeller and turbine vanes, and a vaned stator component located between the impeller and turbine vanes and which is coupled to a stator shaft surrounding the turbine shaft by means of a one-way clutch. In order to permit the one-way clutch to be easily removed, the impeller shell includes a removable hub portion secured by means of a ring of bolts to a flange on the impeller shell and this flange is dimensioned in such manner that its internal diameter is greater than the external diameter of the one-way clutch. Thus when the impeller hub is removed, the one-way clutch can be slid axially from its operating position and removed through the opening created by removal of the hub.

Abstract: A hydrodynamic torque converter for vehicles, particularly for passenger motor vehicles, with at least one pump wheel, one turbine wheel and one guide wheel supported on a free-wheeling device, in which the guide blades are automatically adjustable, when the guide wheel rotates, in dependence on the centrifugal force in the sense of a cascade opening with an increasing rotational speed.

Abstract: A hydrodynamic torque converter, especially for motor vehicles, which is equipped with a pump wheel, a turbine wheel and a guide wheel and with adjustable cascade at least at one of these wheels, preferably at the guide wheel; each blade of such wheel is thereby rotatably supported and is automatically adjustable against a spring force by the torque exerted by the circulating flow of the hydraulic medium.