Abstract: Improvements in a transmission is provided for transferring power from a power source to a work unit. The pump transfers energy received from the power source into a fluid or gas. The first turbine is fixed to output shaft, and a plurality of additional turbines are fixed on either one-way overrunning clutches or multi-disc clutches and these clutches are fixed to the output shaft and after each turbine is a multi-valves that discharges the fluid or gas. After all of the multi-stage turbines a first planetary gear set connects the transmission to the vehicle or work unit. The second planetary gear set is located between the last turbine and the first planetary gear set. During braking the planetary gear set reverses turning direction of the turbines and convert the turbines into pumps where they will pump low pressure fluid to a high pressure accumulator.

Abstract: Improvements in a turbo transmission are provided for transferring power from a power source to a work unit. The transmission includes an input shaft coupled to a power source and to a pump that is configured to rotate with the input shaft. The pump transfers energy received from the power source into a fluid or gas. The transmission includes an output shaft and a multi-stage turbine in line. The first turbine is fixed to output shaft, and a plurality of additional turbines are fixed on either one-way overrunning clutches or multi-disc clutches and these clutches are fixed to the output shaft and after each turbine is a multi-valves that discharges the fluid or gas. After all of the multi-stage turbines a planetary gear set connects the turbo transmission to the vehicle or work unit.

Abstract: A hydrodynamic torque converter comprises a pump wheel, a turbine wheel, and a stator, which combine to form a hydrodynamic circuit. The stator is centered with respect to an axis of rotation and has a freewheel hub so that it can be mounted on a freewheel, which hub is carried by a radially outer freewheel component and is connected by means of a transmission element part to a radially inner freewheel component with freedom of relative rotation. At least one first freewheel component has a damping device, which serves to reduce the ability of this freewheel component to rotate relative to the other, second freewheel component and which for this purpose can be brought into working connection with the second freewheel component.

Abstract: A stator unit for a torque converter includes a stator, a one-way clutch mounted radially inside the stator, and thrust bearings provided on both axial sides of the one-way clutch. The one-way clutch includes an outer ring having a peripheral wall and side walls extending radially inwardly from the respective side edges of the peripheral wall and each having a flange formed at the radially inner edge thereof, an inner ring which is in sliding contact with the flanges, and sprags disposed between the inner surface of the peripheral wall and the outer surface of the inner ring. Each of the thrust bearings has a stake which is pressed into one of engaging steps formed in the radially inner surface of the stator until the bearing ring of the thrust bearing is pressed against one of the side walls and one of axial end surfaces of the inner ring, thereby retaining the component parts so as to be inseparable from the stator.

Abstract: A system is provided for monitoring glucose in a host, including a continuous glucose sensor that produces a data stream indicative of a host's glucose concentration and an integrated receiver that receives the data stream from the continuous glucose sensor and calibrates the data stream using a single point glucose monitor that is integral with the integrated receiver. The integrated receiver obtains a glucose value from the single point glucose monitor, calibrates the sensor data stream received from the continuous glucose sensor, and displays one or both of the single point glucose measurement values and the calibrated continuous glucose sensor values on the user interface.

Abstract: A torque converter comprises a pump having a pump shell and impellers; a turbine having a turbine shell and runners; a stator arranged between the pump and the turbine and is supported by the housing; and an operation fluid filled in the pump and in the turbine. Transmission torque limit means is arranged between the stator and the housing to so limit the transmission of torque transmitted to the stator as will not to increase in excess of a predetermined value.

Abstract: A hydrodynamic torque converter with a pump wheel, a turbine wheel, and a stator, which combine to form a hydrodynamic circuit, where the flow conditions in the hydrodynamic circuit can displace the turbine wheel axially toward the pump wheel when the converter is operating in pull mode and in the opposite direction when operating in push mode, where at least one axial bearing on the drive side of the freewheel and at least one drive-side thrust washer establish a working axial connection between the turbine wheel and a component of the freewheel.

Abstract: The present invention broadly comprises a radial one-way clutch for an automotive device, including: a first annular element; a second annular element arranged for rotational connection to a torque transmitting element in the device; at least one engagement element radially disposed between the first and second annular elements and having at least one first interlocking feature; and an annular frictional element frictionally engaged with the engagement element. One of the first and second annular elements includes at least one second interlocking feature and is rotationally locked with the frictional element. In a first rotational direction, the frictional engagement urges the engagement element to radially displace to engage the interlocking features to rotationally connect the first and second annular elements.

Abstract: The present invention broadly comprises a stator and one-way clutch assembly including a segment of a stator, a one-way clutch engaged with the segment, and at least one elastically deformable element engaged with the segment and the clutch and arranged to dampen transfer of torque from the stator to the clutch. In some aspects, the clutch includes a first plate and the deformable element is engaged with the segment and the plate. The segment urges the deformable element against the first plate. The first plate is arranged to rotate in response to the urging. The segment and the first plate are arranged to rotationally lock. The first plate and a second plate, connected to a clutch hub, rotationally lock in response to the urging, and the segment and the first plate are arranged to rotationally lock following the locking of the first and second plates.

Abstract: The present invention broadly comprises a stator and clutch assembly for a torque converter including first and second halves for a stator, each formed from first and second single pieces. Blades for the stator are disposed within respective annuli for the first and second halves. The assembly also includes a one-way clutch. The first and second halves have inner circumferential portions configured to form a portion of the clutch. The assembly includes an axially displaceable plate connected to a hub. The plate and a circumferential portion are operatively arranged to form a portion of the clutch. In some aspects, the plate and the circumferential portion are arranged to lockingly engage and the assembly includes a displacement element arranged to urge the plate toward the circumferential portion. In some aspects, the plate and hub are formed from a single piece or the plate is axially displaceable with respect to the hub.

Abstract: A turbine hub has a through-hole extending through it in the axial direction. This through-hole is provided such that a portion of a thrust bearing covers part of the through-hole when the thrust bearing has been properly assembled onto the turbine hub, which enables assembly of the thrust bearing to be checked by the relative position relationship between the through-hole and the thrust bearing. If a portion of the thrust bearing does not cover part of the through-hole, it can be determined that either the thrust bearing is not assembled or that it has not been assembled properly.

Abstract: In a transmitting system for a small-sized vehicle, a centrifugal clutch, and a torque converter including a pump impeller connected to an output drum of the centrifugal clutch and a turbine impeller connected to an output gear, are placed between a crankshaft of an engine and the output gear. The pump impeller and the output drum adjacent to the pump impeller are integrally coupled, with an open surface of the output drum facing to an opposite side to the pump impeller, to be constructed as a single component. Thus, occurrence of rotation vibrations and unusual noises can be prevented without requiring machining with high precision, and the numbers of components and assembling steps can be reduced while providing favorable maintainability.

Abstract: A one-way clutch includes an inner race 16; an outer race 15 surrounding the inner race 16; a plurality of rollers 20 inserted between an outer peripheral surface of the inner race 16 and a plurality of wedge faces 18a formed on the outer race 15 so that they are opposed to the outer peripheral surface of the inner race 16; and springs 19 for biasing the rollers 20 in directions to bite into the wedge faces 18a. In the one-way clutch, the outer race 15 comprises an outer race body 17 made of a light alloy and surrounding the inner race 16, and roller-receiving members 18 which have the wedge faces 18a and which are disposed on bottoms of a plurality of recesses 28 in the inner race body 17 and harder than the outer race body 17. Thus, it is possible to achieve a reduction in weight of the outer race, while ensuring the durability of a contact face of the outer race with the rollers.

Abstract: In a ratchet one-way clutch including an inner race, an outer race provided coaxially with the inner race, a pawl member for transmitting torque between the inner race and the outer race, and a damper mechanism for absorbing shock at the time of engagement of the pawl member, a sliding plate is interposed between two members which constitute the damper mechanism and are rotatable relative to each other.

Abstract: A torque converter stator for improved fluid coupling and acceleration is provided. The stator includes a plurality of circumferential long and short blades for increasing torque to an automatic transmission by employing reaction force produced when a flow transmission oil within the torque converter impinges an exterior surface of the blades. The stator utilizes the plurality of circumferential short blades for increasing torque during times a vehicle starting or accelerating and for permitting an obstructed fluid coupling in the turbine and impeller are a coupling point.

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 method and apparatus for selectively engaging a torque converter reaction member comprising a reaction member carrier coupling sleeve, a stator support coupling sleeve and a pawl mounted on the reaction member carrier coupling sleeve. The pawl selectively engages the stator support coupling sleeve to align a first set of coupling teeth on the reaction member carrier coupling sleeve and a second set of coupling teeth on the stator support coupling sleeve.

Abstract: A stator support device for supporting a stator of a torque converter includes a one-way coupling device including an outer race disposed radially inwardly of the stator, and an inner race disposed radially outwardly of a rotation axis of the torque converter, an end bearing that holds a spacing between the outer race and the inner race, a thrust bearing race disposed adjacent to an end face of the outer race and arranged to restrict movements of the end bearing in a direction of the rotation axis, and a thrust bearing disposed at a transfer surface of the thrust bearing race and adapted to bear a load applied to the one-way coupling device.

Abstract: A stator using a ratchet one-way clutch including an inner race having concave portions on the outer periphery thereof, a claw member to be fitted into one of the concave portions on the outer periphery of the inner race, a spring biasing the claw member toward the outer periphery of the inner race, and an outer race having on the inner periphery thereof a pocket receiving therein the claw member and the spring and arranged so as to be concentric with and rotatable relative to the inner race, wherein at least one of the inner race and the outer race has a bearing function.

Abstract: A hydrodynamic torque converter is provided with a converter housing to hold at least one pump wheel, one turbine wheel, and one stator to form a hydrodynamic circuit and with at least one axial bearing arrangement for supporting the stator. At least one support element has a bearing side which rests against the axial bearing arrangement, and a stator side which rests against a component of the stator and is designed with at least one flow passage for viscous medium, which forms a connection between at least one flow conduit and the hydrodynamic circuit. The flow passage has a flow bed and, contiguous with that, at least one boundary wall, which leads from the flow bed to the axial level of the corresponding support element side.

Abstract: A stator support structure of a torque converter is configured to reduce the number of parts and an axial size of the stator support structure. The stator support structure has a first support member 5, a second support member 7 and a one-way clutch body 8. The first support member 5 has a first annular flange 11 extending radially outward and a first thrust receiving portion 13. The second support member 7 has a second annular flange 15 formed of an inner peripheral portion of the stator extending radially inward and opposed to the first annular flange 11, and a second thrust receiving portion 17 being in contact with the first thrust receiving portion 13. The one-way clutch body 8 is disposed between the first and second annular flanges 11 and 15, and is subjected to an axial load in a locked state for inhibiting rotation of the stator only in one direction.

Abstract: In a torque converter in which a radial bearing and a one-way clutch are disposed adjacent and concentrically with each other between a hub of a side cover and a turbine shaft extending through the hub, and a hub of an output gear is coupled to an outer end of the turbine shaft, an inner peripheral surface of the hub of the side cover is comprised of a larger-diameter inner peripheral surface portion located on the side of its base end, and a smaller-diameter inner peripheral surface portion located on the side of its tip end and connected to the larger-diameter inner peripheral surface portion through an annular step, and an outer race of the radial bearing fitted to the larger-diameter inner peripheral surface portion is clamped by the annular step and a retaining ring locked to the larger-diameter inner peripheral surface portion.

Abstract: The present invention provides a one-way clutch wherein the weight of an outer race can be reduced, while ensuring the durability of a contact face of the outer race with a roller.

Abstract: A torque converter having an improved capacity coefficient at high-speed ratios is provided. An impeller 11, a turbine 12, and a stator 13 constitute a torus. The torus rotates about a rotational axis O-O. The impeller 11, turbine 12, and stator 13 each have blades 22, 32, and 42. Furthermore, the radius R1 of the impeller inflow part 22a, i.e., the distance between the radially inside end part of the impeller blades 22 and the rotational axis, is smaller than the radius R2 of the stator inflow/outflow part 42a, i.e., the distance between the radially inside end parts of the stator blades 42 and the rotational axis.

Abstract: The present invention provides a ratchet one-way clutch comprising inner and outer races disposed on a same axis and in which a pawl member as a torque transmitting member and a biasing member for biasing the pawl member are provided in one of the inner and outer races and a recessed portion into which the pawl member is fitted is provided in the other of the inner and outer races so that torque can be transmitted by engagement between the pawl member and the recessed portion and wherein a first pocket for housing the pawl member is provided in either the outer race or the inner race, and a supporting portion for supporting the pawl member in an axial direction is provided on an inner surface of the first pocket.

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: The present invention provides a ratchet one-way clutch comprising inner and outer races disposed on a same axis and in which a pawl member as a torque transmitting member and a biasing member for biasing the pawl member are provided in one of the inner and outer races and a recessed portion into which the pawl member is fitted is provided in the other of the inner and outer races and a damper spring is provided on an outer periphery of the outer race and wherein an inner surface of a spring pocket for containing the damper spring has a shape complementary to a shape of the damper spring.

Abstract: The present invention provides a ratchet one-way clutch comprising an inner race, outer race disposed for a relative rotation respect to the inner race and in concentric with the latter, recessed portions formed in one of an outer periphery of the inner race and an inner periphery of the outer race along a circumferential direction, pawl members formed on the other of the outer periphery of the inner race and the inner periphery of the outer race and adapted to be fitted into the recessed portions, springs for biasing the pawl members toward the recessed portions, and pockets for containing the pawl members and the springs, and wherein a discharge path is formed in the outer race, or a stator using such a ratchet one-way clutch.

Abstract: An assembly of a one-way clutch and a bearing in which a thrust load due to a stator is absorbed and a dynamic pressure is generated is configured to prevent an abrupt temperature rise even when the pressure becomes high so that wear of sliding faces is prevented. The assembly of the one-way clutch and bearing is attached a stator of a torque converter. Dynamic pressure grooves and an escape groove serving as the bearings are formed in at least one of opposing faces of a flange portion formed on the stator and a pump member, or opposing faces of a bearing support which is placed on the side opposite to the flange portion of the stator, and a turbine member.

Abstract: A stator is provided with an impeller and a one-way clutch. The stator includes at least one plain bearing and at least one side plate. The plain bearing is arranged adjacent to and on an axially outer side of a side portion of the one-way clutch and between an inner ring and an outer ring of the one-way clutch, and on its inner and outer peripheries, has flanges with bearing tracks formed thereon. The side plate is arranged on an axially outer side of the plain bearing and at a position adjacent to the plain bearing such that the side plate serves not only as a stopper for the plain bearing but also as a bearing track for a needle bearing. The plain bearing and side plate are provided with engageable portions, respectively, and are maintained in engagement with each other via the engageable portions.

Abstract: A stator support structure of a torque converter is configured to reduce the number of parts and an axial size of the stator support structure. The stator support structure has a first support member 5, a second support member 7 and a one-way clutch body 8. The first support member 5 has a first annular flange 11 extending radially outward and a first thrust receiving portion 13. The second support member 7 has a second annular flange 15 formed of an inner peripheral portion of the stator extending radially inward and opposed to the first annular flange 11, and a second thrust receiving portion 17 being in contact with the first thrust receiving portion 13. The one-way clutch body 8 is disposed between the first and second annular flanges 11 and 15, and is subjected to an axial load in a locked state for inhibiting rotation of the stator only in one direction.

Abstract: A stator support structure of a torque converter is configured to reduce the number of parts and an axial size of the stator support structure. The stator support structure has a first support member 5, a second support member 7 and a one-way clutch body 8. The first support member 5 has a first annular flange 11 extending radially outward and a first thrust receiving portion 13. The second support member 7 has a second annular flange 15 formed of an inner peripheral portion of the stator extending radially inward and opposed to the first annular flange 11, and a second thrust receiving portion 17 being in contact with the first thrust receiving portion 13. The one-way clutch body 8 is disposed between the first and second annular flanges 11 and 15, and is subjected to an axial load in a locked state for inhibiting rotation of the stator only in one direction.

Abstract: Disclosed is a rotor supportable at a side surface thereof by a needle bearing. The side face includes a bearing face with lubricating oil grooves formed therein, and is to be brought into contact with the needle bearing upon assembly. The oil grooves are arranged in a positional relation ship with needles of the needle bearing such that the oil grooves and the needles of the needle bearing do not completely overlap each other along an entire circumference in a direction of rotation. The rotor can be a bush for a one-way clutch, an inner peripheral portion of a stator of a torque converter, or an outer ring of a one-way clutch, said outer ring also serving as an inner peripheral portion of a stator of a torque converter. Preferably, the oil grooves may each be provided with a groove part extending substantially in a direction of a tangent to a raceway circle for said needles.

Abstract: A one-way clutch includes poles and springs accommodated in pockets defined in an inner peripheral surface of an outer race. The poles are urged toward an outer peripheral surface of the inner race by resilient forces of the springs, thereby inhibiting the relative rotation of the inner race and the outer race relative to each other in one direction, and permitting the relative rotation of the inner race and the outer race relative to each other in the other direction. Each of the poles has a partially columnar support projection, and an engage portion comprising a convex curved surface. The support projection is swingably supported in and substantially in face contact with a partially columnar support recess defined in the pocket. The engage portion is in line contact with the outer peripheral surface of the inner race comprising the columnar surface.

Abstract: In a ratchet one-way clutch including an inner race, an outer race provided coaxially with the inner race, a pawl member for transmitting torque between the inner race and the outer race, and a damper mechanism for absorbing shock at the time of engagement of the pawl member, a sliding plate is interposed between two members which constitute the damper mechanism and are rotatable relative to each other.

Abstract: A ratchet one-way clutch comprises an inner race provided with recessed portions on the outer circumference; an outer race member arranged coaxially with the inner race, being provided with pockets on the inner circum-ferential side; a pawl member arranged for each of the pockets to transmit torque by being fitted into each of the recessed portions; and a biasing member for biasing the pawl member in the inner diametral direction to promote the fitting. For this clutch, an operating element is provided to relatively rotate with respect to the outer race member, and an elastic member resides inclusively between the outer race member and the operating element.

Abstract: A torque converter including a one-way clutch for supporting a stator radially on a fixed member in such a manner that the stator is rotatable in one direction, and a pair of thrust bearings for supporting the stator axially between a pump impeller and a turbine runner, wherein the diameters of the one-way clutch and both of the thrust bearings are different, and the thrust bearings do not axially overlap at least side bearings of the one-way clutch. With this arrangement, thrust force is not applied to the side bearings, and thus, the side bearings are thinner than conventional side bearings. Accordingly, the area radially inside of the stator in the torque converter is axially shortened.

Abstract: A freewheel unit intended especially for the stator of a hydrodynamic torque converter, allows first and second elements to rotate relative to each other around a rotational axis essentially in only one direction. A locking element carrier extends in the circumferential direction around the rotational axis and comes at least one first locking element which extends away from this carrier toward the first element in a first circumferential direction. At least one first locking element can come to rest against at least one blocking surface provided on the first element to prevent any relative rotation between the first element and the locking element carrier in one direction of relative rotation.

Abstract: In a torque converter comprised of three major rotating elements, namely a pump impeller formed integral with a converter cover, a turbine runner to which a driving power is transmitted through a working fluid from the pump impeller, and a stator disposed between the pump impeller and the turbine runner, the stator is supported on a transmission case via a one-way clutch and has a plurality of stator blades. In order to balance the enhanced vehicle's startability and improved fuel economy at idle, the ratio W/D of a stator-blade axial length W to a torque-converter nominal diameter D is set to satisfy a predetermined inequality 0.030≦W/D≦0.052.

Abstract: The present invention provides a ratchet one-way clutch comprising an inner race, outer race disposed for a relative rotation respect to the inner race and in concentric with the latter, recessed portions formed in one of an outer periphery of the inner race and an inner periphery of the outer race along a circumferential direction, pawl members formed on the other of the outer periphery of the inner race and the inner periphery of the outer race and adapted to be fitted into the recessed portions, springs for biasing the pawl members toward the recessed portions, and pockets for containing the pawl members and the springs, and wherein a discharge path is formed in the outer race, or a stator using such a ratchet one-way clutch.

Abstract: A freewheel arrangement, in particular for a guide wheel of a hydrodynamic torque converter, permits a relative rotation between two elements in essentially only one relative rotational direction with respect to one another about an axis of rotation. At least one pawl is pivotably supported on a first of the two elements and has a pawl section which can come into contact with a blocking surface of the second of the two elements. At least one pawl is formed by a plurality of pawl plate elements which can be stamped from sheet metal.

Abstract: A stator using a ratchet one-way clutch including an inner race having concave portions on the outer periphery thereof, a claw member to be fitted into one of the concave portions on the outer periphery of the inner race, a spring biasing the claw member toward the outer periphery of the inner race, and an outer race having on the inner periphery thereof a pocket receiving therein the claw member and the spring and arranged so as to be concentric with and rotatable relative to the inner race, wherein at least one of the inner race and the outer race has a bearing function.

Abstract: The present invention provides a ratchet one-way clutch comprising inner and outer races disposed on a same axis and in which a pawl member as a torque transmitting member and a biasing member for biasing the pawl member are provided in one of the inner and outer races and a recessed portion into which the pawl member is fitted is provided in the other of the inner and outer races and a damper spring is provided on an outer periphery of the outer race and wherein an inner surface of a spring pocket for containing the damper spring has a shape complementary to a shape of the damper spring.

Abstract: The present invention provides a ratchet one-way clutch comprising inner and outer races disposed on a same axis and in which a pawl member as a torque transmitting member and a biasing member for biasing the pawl member are provided in one of the inner and outer races and a recessed portion into which the pawl member is fitted is provided in the other of the inner and outer races so that torque can be transmitted by engagement between the pawl member and the recessed portion and wherein a first pocket for housing the pawl member is provided in either the outer race or the inner race, and a supporting portion for supporting the pawl member in an axial direction is provided on an inner surface of the first pocket.

Abstract: A torque converter includes a turbine impeller integrally connected to a pump impeller, a side-cover having a boss and covering the turbine impeller, and a turbine shaft extending through the boss and connected to the turbine impeller. A radial bearing and a one-way clutch are disposed axially adjacent to each other between the boss of the side-cover and the turbine shaft. The radial bearing serves to retain the boss and the turbine shaft concentrically, and the one-way clutch connects the turbine shaft and the side-cover to each other, when a back load is applied to the turbine shaft. Therefore, a load received by a clutch element of the one-way clutch such as a sprag between the turbine shaft and the side-cover is equalized. Thus, when a back load is applied to the turbine shaft, a slipping between the turbine impeller and the pump impeller is prevented, thereby providing a good engine brake effect.

Abstract: A one-way clutch includes poles and springs accommodated in pockets defined in an inner peripheral surface of an outer race. The poles are urged toward an outer peripheral surface of the inner race by resilient forces of the springs, thereby inhibiting the relative rotation of the inner race and the outer race relative to each other in one direction, and permitting the relative rotation of the inner race and the outer race relative to each other in the other direction. Each of the poles has a partially columnar support projection, and an engage portion comprising a convex curved surface. The support projection is swingably supported in and substantially in face contact with a partially columnar support recess defined in the pocket. The engage portion is in line contact with the outer peripheral surface of the inner race comprising the columnar surface.

Abstract: A power transfer device for amplifying and transmitting torque consists of an impeller (14), a turbine (16), a stator (18). A one-way clutch (32) responsive to impeller (14) rotational speed allows the stator (18) to rotate when the turbine is stationary or during high speed operation.

Abstract: A stator support structure of a torque converter is configured to reduce the number of parts and an axial size of the stator support structure. The stator support structure has a first support member 5, a second support member 7 and a one-way clutch body 8. The first support member 5 has a first annular flange 11 extending radially outward and a first thrust receiving portion 13. The second support member 7 has a second annular flange 15 formed of an inner peripheral portion of the stator extending radially inward and opposed to the first annular flange 11, and a second thrust receiving portion 17 being in contact with the first thrust receiving portion 13. The one-way clutch body 8 is disposed between the first and second annular flanges 11 and 15, and is subjected to an axial load in a locked state for inhibiting rotation of the stator only in one direction.

Abstract: A ratchet one-way clutch comprises an inner race provided with recessed portions on the outer circumference; an outer race member arranged coaxially with the inner race, being provided with pockets on the inner circum-ferential side; a pawl member arranged for each of the pockets to transmit torque by being fitted into each of the recessed portions; and a biasing member for biasing the pawl member in the inner diametral direction to promote the fitting. For this clutch, an operating element is provided to relatively rotate with respect to the outer race member, and an elastic member resides inclusively between the outer race member and the operating element.

Abstract: A torque converter including a one-way clutch for supporting a stator radially on a fixed member in such a manner that the stator is rotatable in one direction, and a pair of thrust bearings for supporting the stator axially between a pump impeller and a turbine runner, wherein the diameters of the one-way clutch and both of the thrust bearings are different, and the thrust bearings do not axially overlap at least side bearings of the one-way clutch. With this arrangement, thrust force is not applied to the side bearings, and thus, the side bearings are thinner than conventional side bearings. Accordingly, the area radially inside of the stator in the torque converter is axially shortened.