| Entries |
| Document | Title | Date |
|---|
| 20080196995 | Grease Composition, Grease-Enclosed Bearing, and Rotation-Transmitting Apparatus With Built-In One Way Clutch - The present invention provides a grease composition capable of effectively preventing a rolling surface of a bearing from having hydrogen brittleness-caused peeling, a grease-enclosed bearing in which the grease composition is enclosed, and a rotation-transmitting apparatus with a built-in one-way clutch in which the grease composition is enclosed at a sliding portion. The grease composition contains a base grease consisting of a base oil and a thickener; and an additive added to the base grease. The grease composition prevents a frictional wear surface of the sliding portion or a newly generated surface consisting of iron or the like exposed owing to wear from being peeled owing to hydrogen brittleness. The additive contains a bismuth-based additive or a magnesium-based additive. The bismuth-based additive consists of at least one of inorganic bismuth and organic bismuth not containing a sulfur component. The magnesium-based additive consists of at least one of inorganic magnesium and organic magnesium. The grease-enclosed bearing encloses the above-described grease composition. | 08-21-2008 |
| 20080271970 | TORQUE ARM ASSEMBLY FOR A BACKSTOPPING CLUTCH - A torque arm assembly for a backstopping clutch is provided that enables load sharing among multiple torque arm assemblies, controlled release of load on the torque arm assembly and load sensing. The torque arm assembly includes a head member that is connected to an outer race of a backstopping clutch and defines a pair of attachment points. One end of an arm member is pivotally connected to one attachment point of the head member while the other end of the arm member is connected to a stationary structure. A strut extends between the other attachment point of the head member and the arm member. Upon backstopping action by the clutch, the head member rotates slightly against the force of the strut allowing other torque arm assemblies to receive a portion of the system load. Movement of a strut seat then allows controlled release of the load tension. | 11-06-2008 |
| 20090050436 | One-Way Drive Device and Method - A one-way drive device is disclosed herein and includes a pocket plate assembly having a disc-shaped pocket plate and a notch plate assembly having a disc-shaped notch plate. The device also includes an axially extending, open-ended cylindrical shell for containing therein the pocket and notch assemblies. This shell includes opposite first and second axial ends and opposing inner and outer circumferential surfaces which extend axially between the end and which together are configured to include splines and first and second sets of tabs. The splines are circumferentially spaced from one another and extend axially across the shell body and they project radially inward and outward such that there innermost surface edges of the splines together define an innermost annular bearing surface. The first set of tabs is located adjacent to the first axial end of the shell and extend radially inward beyond the innermost annular bearing surface and the set of tabs is located adjacent to the second axial end of the shell and also extend radially inward beyond the innermost annular bearing surface. The tabs are configured to allow the pocket and notch plate assemblies to be easily assembled within the shell and they lock everything with in the shell in place. | 02-26-2009 |
| 20090101465 | Breakaway Clutch For Controllable Speed Accessory Drive System - An accessory drive system for a hybrid vehicle is provided including a planetary gear set having first, second, and third members. A torque transfer device operatively connects an engine with the first member. A motor/generator is operatively connected to the second member. A plurality of vehicle accessories are operatively connected to the third member. A one-way clutch is operatively connected to either the first member of the planetary gear set or the torque transfer device. The one-way clutch is also selectively connected to a stationary member via a breakaway clutch configured to slip when either the input torque exceeds a threshold value or the direction of rotation is opposite of the driving direction. Engine output is transferable through the planetary gear set to drive the accessories at a selectable rate, and the motor/generator is controllable to run the accessories while the engine is off and while restarting the engine. | 04-23-2009 |
| 20100122888 | HYDRAULIC ONE-WAY DISC CLUTCH ASSEMBLY - A hydraulic one-way clutch assembly (HOWC) is configured for use in a vehicle transmission. The HOWC assembly includes a non-rotatable disc and a rotatable disc. The non-rotatable disc extends about an axis and defines at least one exhaust port extending therethrough. The rotatable disc extends about the axis and is disposed axially adjacent the non-rotatable disc. The rotatable disc is configured to rotate relative to the non-rotatable disc, about the axis, between a closed position and an open position. The rotatable disc covers the exhaust passage when the rotatable disc is in the closed position to prevent fluid from flowing out through the at least one exhaust port. The rotatable disc uncovers the exhaust port when the rotatable disc is in the closed position to allow fluid to flow out through the at least one exhaust port. | 05-20-2010 |
| 20100219038 | FREEWHEEL BEARING DEVICE WITH TORQUE LIMITER - The invention concerns a freewheel bearing device including an outer element and inner element arranged inside the outer element, and a free wheel provided with at least a wedging element, arranged between the inner element and the outer element to allow a free rotational movement in one direction between the outer element and the inner element and for transmission of a torque in the other direction between the outer element and the inner element, the free wheel including a ring provided with a cylindrical inner surface and a cylindrical outer surface, substantially aligned on a radial plane perpendicular to the axis of rotation of the device, and a torque limiting member adapted to limit the torque transmitted by the free wheel, the torque limiting member being arranged radially between said ring and the outer element or the inner element in contact with said ring and said element. | 09-02-2010 |
| 20100224461 | Clutch Unit - Provided is a clutch unit in which the strength of a lever side outer ring or a brake side outer ring is increased and in which an elastic deformation amount is reduced to help to easily achieve an improvement in terms of breaking torque. The clutch unit has a lever side clutch section ( | 09-09-2010 |
| 20100320054 | LOW RPM, MECHANICAL, ONE-WAY DRIVE, TWO-WAY OVERRUNNING CLUTCH - A clutch assembly including a substantially circular carrier member including a first elongated space formed therethrough, a first bias member including a first end and a second end structured to exert a bias force, and disposed within the first elongated space wherein the first end is connected to the carrier member, and a substantially circular drive cam member coupled to the carrier member including an outside surface, a first seat formed in a portion of the outside surface, and a first drive cam pin connected to the second end of the first bias member within the first elongated space. A clutch assembly including a substantially circular carrier surrounded by at least two drive cam members, and a key member, wherein the key member is at least partially positioned within a first elongated space of the carrier member and connects the first and the second drive cam members is also provided. | 12-23-2010 |
| 20120090952 | POWERTRAIN PRESSURE CONTROL SYSTEM - A pressure control system configured to control a selectable one-way clutch (SOWC) includes a pilot valve and a SOWC actuator. The pilot valve is configured to produce a pilot signal and includes a first valve, which is a MEMS microvalve. The pressure control system may further include a regulating valve in fluid communication with the pilot valve and configured to receive the pilot signal. The regulating valve is further configured to output a control signal. The SOWC actuator is configured to select between operating modes of the selectable one-way clutch in response to one of the pilot signal and the control signal. | 04-19-2012 |
| 20120125732 | CLUTCH ACTUATING APPARATUS FOR DOUBLE CLUTCH TRANSMISSION - A clutch actuating apparatus for a double clutch transmission, may include an operation rod that constructs an operation stroke for engaging a clutch while moving straight, an electric power unit that generates a rotational force, a straight converting unit that converts the rotational force of the electric power unit into a straight movement force for moving straight the operation rod, a supplement force supplying unit for increasing the straight movement force of the operation rod and removing increased straight movement force in accordance with whether the operation rod engages or disengages the clutch, a rod locating unit that changes a position of the operation rod relative to the straight converting unit, and a housing that accommodates the straight converting unit and the supplement force supplying unit and covers the operation rod with a portion exposed to the outside. | 05-24-2012 |
| 20120168276 | APPARATUS FOR COUPLING TORQUE - Apparatus for coupling torque are provided herein. In some embodiments, an apparatus for coupling torque may include a shaft; a pulley body disposed about the shaft, the pulley body and shaft rotatable with respect to each other; a one-way clutch bearing disposed between the pulley body and shaft; and a journal bearing disposed proximate a first end of the one-way clutch bearing, wherein at least one of the pulley body and the shaft form a race of at least one of the one-way clutch bearing or journal bearing. | 07-05-2012 |
| 20120217124 | CONTROL ELEMENT DISCS SPLINED TO RACEWAYS OF A ONE-WAY CONTROL ELEMENT - An assembly includes a one-way transmission control element including first and second races, first discs secured to the first race, and second discs interleaved with the first discs and secured to the second race. | 08-30-2012 |
| 20120318632 | FREE COASTER HUB FOR A BICYCLE - A coaster-style hub functions as a freewheel and accommodates a 9 tooth sprocket. A throw out bearing is used to allow the clutch to spin freely when the driver and sprocket are rotated in a backward direction. The driver and sprocket can be formed as a single piece. | 12-20-2012 |
| 20130075223 | ONE-WAY TRANSMISSION STRUCTURE AND ONE-WAY TRANSMISSION METHOD - A one-way transmission structure is provided, which includes a sleeve and a rotating shaft passing through the sleeve, where the rotating shaft is fixed in the sleeve through a rope in a suspended manner, a first end of the rope hitches on the rotating shaft and forms a Prusik knot, and a second end of the rope is fastened on a side wall of the sleeve. In the one-way transmission structure, an active portion and a passive portion can be connected flexibly, which has advantages such as a simple structure, a low manufacturing and maintenance cost, and conveniences in mounting and maintenance. | 03-28-2013 |
| 20130098732 | HYBRID OVERRUNNING CLUTCH ASSEMBLY AND METHOD OF MAKING SAME - A hybrid overrunning clutch includes a metal outer race and a composite outer ring that are each sized and configured such that the metal race generates a preload on the composite outer race throughout the operational temperature of the clutch. The composite outer ring significantly reduces that total weight of the clutch, as compared to a completely metal outer race. The present application further includes a method of assembling the metal outer race and composite outer ring so that thermal expansion of the metal outer race creates the preload in the composite outer ring. The present application also includes a method of designing a hybrid overrunning clutch. | 04-25-2013 |
| 20130161150 | PULLEY ASSEMBLY WITH A DECOUPLING MECHANISM - Various pulley assemblies are described that include a pulley body, a hub defining an axis of rotation disposed within a bore of the pulley body, and an actuator and a clutch mechanism disposed about the hub. The actuator axially expands when the pulley body rotates in a predominant direction, and the clutch mechanism is activated thereby into an engaged position. In this engaged position, the clutch mechanism links the pulley body to the hub for simultaneous rotation in the predominant direction. Then, when the pulley body rotates in a non-dominant direction or experiences a deceleration, the pulley assembly enters an overrun position where the clutch mechanism disengages and allows the hub to rotate at speeds greater than the pulley body. Additionally, a reverse configuration is described where the actuator axially expands when the hub rotates and the clutch mechanism, when engaged, links the hub to the pulley body. | 06-27-2013 |
| 20130161151 | RETURN STOP - A return stop limiting torque, particularly for conveyer systems, including an internal ring, a concentric external ring, and several retaining elements arranged in the annual gap between the rings, which allow a relative rotation between the rings in one direction, and block it in the other direction through form-fitting or frictional engagement. The external ring has friction areas at its radially extending faces, which can axially be clamped against the corresponding friction disks, with the friction disks being supported in a torque-proof fashion but at least partially axially displaceable. Here the external ring is divided into several axially adjacent partial rings, each being axially spaced from one another by an annular gap such that another friction disk is arranged respectively in this annular gap, which is supported in a torque-proof fashion but axially displaceable, and all of the partial rings and friction disks are axially clamped to each other. | 06-27-2013 |
| 20140021006 | HANDTRUCK WITH LCD INTERFACE - A wheeled vehicle comprising a power-driven spider assembly for ascending and descending stairs. The vehicle includes an angular position sensor providing input to a controller operable to control a servo-motor to effectively lock the position of the spider relative to the frame, regardless of the hand truck's spatial orientation relative to a vertical plane, or any balancing of the hand truck. The angular position sensor provides input to the controller, which is programmed with predefined angular zones of instability, and causes the controller to accelerate rotation of the spiders through those zones when the wheeled vehicle is in the descent mode, to avoid instability of the hand truck. A hand truck may include a removable basket and/or a pivotable platform usable to transport loads. | 01-23-2014 |
| 20140083812 | ROTARY MACHINERY WITH A ONE-WAY CLUTCH INTEGRATED PULLEY - Construction of rotary machinery with a one-way clutch integrated pulley is achieved that is capable of reducing the manufacturing cost when the location in the axial direction of the one-way clutch integrated pulley | 03-27-2014 |
| 20140190785 | COMPACT OVERRUNNING COUPLING AND CONTROL ASSEMBLY HAVING REDUCED PART COUNT AND MANUFACTURING COMPLEXITY - A compact overrunning coupling and control assembly having reduced part count and manufacturing complexity is provided. An actuator arm moves a control element from a first position which corresponds to a first mode of the assembly to a second position which corresponds to a second mode of the assembly. An actuator piston is disposed within the bore of a housing and has an outer surface in sliding contact with the inner surface of the housing and a groove formed in the outer surface of the piston to receive and retain a free end portion of the actuator arm therein. A control pressure signal within the housing causes the piston to slide within the bore against a biasing force to move the actuator arm. | 07-10-2014 |
| 20140238813 | CLAMPING BODY-SLEEVE FREEWHEEL AND METHOD FOR PRODUCING THE SAME - The present invention relates to a clamping body freewheel including an inner part having a circular cylindrical outside circumference, an outer part having a circular cylindrical inside circumference, and clamping bodies, which are accommodated in a gap formed by the inside circumference and the outside circumference and are arranged consecutively in the circumferential direction in a tiltable manner and are guided in openings of a cage, where the clamping bodies are arranged in a radially inwardly open sleeve, and the clamping body freewheel is introduced in the outer part by means of the sleeve in a rotationally fixed manner, and a track is formed on an inside circumferential surface of the sleeve for the clamping bodies. | 08-28-2014 |
| 20140246286 | ONE-WAY CLUTCH CARRIER ASSEMBLY - A one-way clutch carrier assembly for a transmission includes an outer ring and a carrier. The outer ring has an outer surface with radially extending teeth. The carrier circumscribes the outer ring. The carrier has an undulating outer surface with teeth for receiving a plurality of clutch plates, an undulating inner surface with teeth for receiving the outer ring teeth, and an inwardly extending tab for limiting axial displacement of the outer ring in the carrier. In an example embodiment, the outer ring includes a first circumferential surface with a first radius and a second circumferential surface with a second radius, larger than the first radius. The carrier inwardly extending tab has a third radius that is smaller than the second radius. | 09-04-2014 |
| 20140353110 | ONE-WAY CLUTCH CARRIER ASSEMBLY WITH BEARING - A clutch carrier assembly for a transmission includes a clutch carrier, an outer race, a bearing, an inner race, and a one-way clutch. The clutch carrier is arranged for driving engagement with a plurality of clutch plates. The outer race is fixedly connected to the carrier and has an inner circumferential surface. The bearing has an outer circumferential surface aligned with the inner circumferential surface. The inner race is arranged for driving engagement with a transmission shaft. The one-way clutch is disposed radially between the outer race and the inner race. | 12-04-2014 |
| 20140374212 | ONE-WAY CLUTCH AND DRIVING DEVICE HAVING THE SAME - A one-way clutch includes a first rotation member, a second rotation member, a support shaft, and a transmission member. The support shaft is disposed in a protruding manner from a first lateral surface portion of the first rotation member toward an interior space in the axial direction of a rotational shaft. The transmission member is supported by the support shaft, and can move in a sliding manner in the axial direction between a first position at which a rotational driving force in a first direction inputted to the first rotation member is transmitted to the second rotation member, and a second position at which a rotational driving force in the second direction inputted to the first rotation member is restricted from being transmitted to the second rotation member. | 12-25-2014 |
| 20150014119 | Torque Transmission Mechanism - A torque transmission mechanism for an internal combustion engine, adapted to transmit a starting torque from a starter motor to a crankshaft of the internal combustion engine. The torque transmission mechanism includes a ring gear that transmits the starting torque, a one-way clutch disposed between the ring gear and the crankshaft, a bearing including a first ring coupled in rotation with the gear ring and a second ring coupled in rotation with the crankshaft and a front plate for coupling in rotation the crankshaft with the one-way clutch. The front plate is coupled in rotation with the crankshaft via the second ring of the bearing, by welding along a direction parallel to a central axis of the second ring of the bearing. | 01-15-2015 |
| 20150060231 | OVER-RUNNING CLUTCH - An over-running clutch couples a motor driven shaft to a driven element in which the element can freely rotate when the motor is switched off. The driven shaft of the clutch includes a flattened portion with two flat surfaces. A wall of a coupling member engages one of the surfaces when the driven shaft stands still. The coupling member includes an outwardly extending cam which is received in a sleeve of a cylindrical collar positioned on a disk which is rotatably mounted on the driven shaft. When the shaft is rotated, the coupling member is pressed outward over a limited distance and the cam enters a recess provided in the inner wall of a cylindrical drive portion forming part of the driven element. | 03-05-2015 |
| 20150075942 | PRIME MOVER ARRANGEMENT COMPRISING A FLUID-ACTUATED CLUTCH ARRANGEMENT AND A FREEWHEEL - The invention relates to a prime mover arrangement comprising an internal combustion engine ( | 03-19-2015 |
| 20150083545 | PRIME MOVER ARRANGEMENT COMPRISING A FLUID-ACTUATED CLUTCH ARRANGEMENT AND A MULTI-DISK CLUTCH - The invention relates to a prime mover arrangement comprising an internal combustion engine ( | 03-26-2015 |
| 20150083546 | CLUTCH DEVICE - A clutch device for arrangement in a drive train of a motor vehicle between a drive unit and a gearbox, which comprises a clutch for optional torque transmission between the drive unit and the gearbox, a clutch input side to which a torque from the drive unit can be transmitted, and an electric machine allocated to the clutch input side, wherein an overrun to transmit the torque from the drive unit in only one rotational direction is arranged upstream of the clutch input side in relation to the torque transmission path. | 03-26-2015 |
| 20150323021 | QUICK DETACHING INNER CLUTCH - A quick detaching inner clutch comprises an inner clutch; a fixing shaft for assembling the inner clutch; a hub for receiving the inner clutch and the fixing shaft; wherein an axial center of the fixing shaft is formed with a penetrating axial channel for receiving a quick detaching body. After the quick detaching body passes through the penetrating axial channel which is screwed with a nut. The hub and two lateral cover at two sides of the hub are formed with a space for receiving the inner clutch and the fixing shaft passes the two lateral covers. Furthermore, an outer surface of the fixing shaft is axially formed with at least one concave or convex enhancing rib. | 11-12-2015 |
| 20150328974 | POWER TRANSMISSION UNIT FOR VEHICLE - A power transmission unit for a vehicle comprises: a motor arranged on an output side of an engine coaxially therewith in a housing adjacent to an outer face of the engine; an end cover arranged in the housing to cover an end portion of the motor to protect from the engine; a rotary shaft extending coaxially with the motor to be connected to an output shaft of the engine while penetrating through the end cover; and an engagement device disposed on an outer circumferential side of the rotary shaft between the motor and the engine to selectively restrict a rotation of the rotary shaft. A sub-cover to which the rotary shaft penetrates is attached to an end face of the end cover and a chamber is hermetically enclosed by the sub-cover, the end cover, and the rotary shaft. The engagement device is held in the housing. | 11-19-2015 |
| 20160017940 | System and Method for Electrically Controllable Transmissions - Systems and methods are shown for electrically controllably transmitting power from a motor involving electrically controllably coupling the first input hub to a shuttle so that power is transmitted from the first input hub to the shuttle, providing for one-way rotation between the shuttle and a stationary chassis, and coupling the shuttle to an output hub with a spring such that energy is stored and released from the spring as the output hub rotates. Examples are shown that include controlling engaged and disengaged time intervals of the first input hub and shuttle to maintain a torque level at the output hub, such as by utilizing pulse width modulation or pulse frequency modulation. Examples are also shown involving electroadhesively coupling the first input hub to the shuttle. | 01-21-2016 |
| 20180023638 | BELT PULLEY DECOUPLER | 01-25-2018 |
| 20080277238 | Overrunning clutch clamping body - An overrunning clutch damping body ( | 11-13-2008 |
| 20090020389 | OUTER RETAINER FOR ONE-WAY CLUTCH - An outer retainer includes a pair of annular portions facing each other in an axial direction and a plurality of column members that connects the annular portions. A plurality of window portions is formed by the annular portions and the column members, and an outward flange is provided at one side end thereof. The column member between the window portions in predetermined positions is cut and the cut portion on the outward flange side is bent outward in the radial direction to be an elastic member. Paired cut-away portions are formed in predetermined portions of the outward flange with the elastic member being disposed between the paired cut-away portions. In the thus-configured outer retainer, at least three window portions are disposed between the elastic member and the cut-away portion adjacent to the elastic member in the peripheral direction. The column members between the paired cut-away portions are bent outward in the radial direction to be enlarged in diameter. | 01-22-2009 |
| 20090032365 | Bushing-type roller overrunning clutch with a solid outer ring - A bushing-type roller overrunning dutch comprising an inner and/or outer ring ( | 02-05-2009 |
| 20090057091 | OUTER RETAINER FOR ONE-WAY CLUTCH - In a one-way clutch comprising an outer race, an inner race opposed radially thereto, torque transmitting members interposed between the outer race and the inner race to be inclinable at positions where they are engaged with the inner and outer races to transmit a torque and at positions where they are not engaged with the inner and outer races, a spring member for urging the torque transmitting members in a direction of engaging with the inner and outer races, and cylindrical inner retainer and outer retainer for retaining said torque transmitting members in the circumferential direction at predetermined intervals and controlling their inclination, the outer retainer comprising a cylindrical portion and a flange portion extended axially from one end of the cylindrical portion and radially outwardly, and the cylindrical portion being provided with windows for respectively retaining the torque transmitting members in the circumferential direction at predetermined intervals, the flange portion of the outer retainer has three or more arc-shaped major circular parts in the circumferential direction which project more outwardly in the radial direction than the inner peripheral surface of the outer race. | 03-05-2009 |
| 20090084653 | Electrically Variable Transmission with an Axially-Moveable Selectable One-Way Clutch Assembly - An electrically variable transmission (EVT) includes two shafts and a selectable one-way clutch (SOWC) having a first and second ring. The SOWC selectively connects the shafts, and is applied by moving the first ring and a blocking device in an axial direction into frictional contact with the second ring. A hydraulic piston applies the SOWC and a return spring releases it. The SOWC freewheels in both directions, or holds torque in one or both directions, depending on how the blocking device is rotated. A method for reducing losses in an EVT includes axially moving a second ring and blocking device of a SOWC into contact with a first ring, rotating the blocking device using frictional contact with the first ring, locking rotation of the first ring to apply the SOWC, and moving the second ring and blocking device an axial distance from the first ring to release the SOWC. | 04-02-2009 |
| 20090145718 | Overrunning Clutch - An overrunning clutch has a first race, a second race, a set of pawls between the first race and the second race and a set of springs between the first race and the second race, one spring for each pawl and each corresponding spring biasing the corresponding pawl into a position in which the first race and the second race are engaged with each other in a driving direction and are disengaged from each other in a free wheeling direction. Each spring is received in a spring receiving recess of one of the races and biases a rearward portion of the corresponding pawl radially inwardly into a pawl receiving recess of the race. | 06-11-2009 |
| 20090145719 | ONE-WAY CLUTCH OF SPRAG TYPE - The present invention provides a one-way clutch of sprag type comprising an outer race having an inner peripheral track surface, an inner race disposed within the outer race and having an annular outer peripheral track surface, the outer and inner races being disposed concentrically to be rotated relative to each other, a plurality of sprags disposed between the outer race and the inner race and adapted to transmit torque between the outer peripheral track surface and the inner peripheral track surface, a holder for holding the sprags, and a ribbon spring for biasing the sprags, and wherein the ribbon spring is constituted by side bars disposed at both axial end portions of the ribbon spring and having wrinkle portions, and cross bars extending in an axial direction and adapted to interconnect the side bars and further wherein both circumferential end portions of the ribbon spring are secured to each other. | 06-11-2009 |
| 20090200135 | FREEWHEEL CLUTCH - The invention relates to a freewheel clutch having rags which are located between an inner locking track and an outer locking track and two sliding discs which each feature one inner axis adjacent to the inner locking tack, one outer axis adjacent to the outer locking track as well as one middle section which connects the axes, and has an axial inwardly directed bending. The bending extends from the outer axis to the inner axis and preferably features a maximum embossing depth which is lower than the wall thickness of the middle section. | 08-13-2009 |
| 20100025182 | One-way clutch - This invention provides a one-way clutch capable of hindering the generation of a coating between each sprag and each of inner and outer rings thereby preventing sprags and inner and outer rings from being damaged due to the slip therebetween and thereby lengthening the life of the engagement between each sprag and each of the inner and outer rings. The difference in surface hardness between each sprag ( | 02-04-2010 |
| 20100072022 | TORQUE ARM ASSEMBLY FOR A BACKSTOPPING CLUTCH - Various torque arm assemblies for a backstopping clutch are provided that enable load sharing among multiple torque arm assemblies, controlled release of load on the torque arm assembly and/or load sensing. The torque arm assembly includes a head member that is connected to an outer race of a backstopping clutch and defines a pair of attachment points. One end of an arm member is pivotally connected to one attachment point of the head member while the other end of the arm member is connected to a stationary structure. A strut extends between the other attachment point of the head member and the arm member. Upon backstopping action in one embodiment, the head member rotates slightly against the force of the strut allowing other torque arm assemblies to receive a portion of the system load. The position of the strut may be adjustable to allow controlled release of the load tension. | 03-25-2010 |
| 20100181160 | ONE-WAY CLUTCH OF SPRAG TYPE - The present invention provides a one-way clutch of sprag type comprising outer and inner races spaced apart from each other in a radial direction and concentrically disposed to allow a relative rotation therebetween, the outer race having an inner peripheral track surface and the inner race being disposed within the outer race and having an annular outer peripheral track surface; a plurality of sprags disposed between the outer race and the inner race and capable of transmitting torque between the inner peripheral track surface of the outer race and the outer peripheral track surface of the inner race; a cage for holding the sprags; and a spring for biasing the sprags, and wherein a strut angle at an initial engaging height of the sprag is smaller than 2°. | 07-22-2010 |
| 20140318923 | DIRECTION SELECTABLE SPRAG - A torque transmitting device for use in an automotive transmission is provided. The device includes an inner annular race and an outer annular race disposed concentrically around the inner annular race. A selector plate is disposed adjacent to the inner and outer annular races, the selector plate being movable with respect to the inner and outer races. Multiple control elements are pivotally connected to the selector plate. The control elements are disposed between the inner and outer races. A plurality of sprag elements is disposed between the inner and outer races. Each sprag element is disposed adjacent to a control element. | 10-30-2014 |
| 20160131205 | ELECTROMECHANICAL SYSTEM FOR CONTROLLING THE OPERATING MODE OF A SELECTABLE CLUTCH ASSEMBLY AND OVERRUNNING COUPLING AND ELECTROMECHANICAL CONTROL ASSEMBLY USING THE SYSTEM - An electromechanical system for controlling the operating mode of a selectable clutch assembly and an overrunning coupling and electromechanical control assembly are provided. The system includes a control member mounted for controlled movement and a bi-directional, electrically-powered, actuator assembly coupled to the control member for selective, small-displacement, control member movement between different positions which correspond to different modes of the clutch assembly. The actuator assembly holds the control member in a desired one of the positions after electrical power to the actuator assembly has been purposefully terminated. Control logic is operative to determine a system failure and to generate a failsafe position command signal in the event of the system failure. The actuator assembly moves the control member to a failsafe position based on the failsafe position command signal to prevent inadvertent engagement of the clutch assembly. | 05-12-2016 |
| 20080264753 | Frictional Clutch with O-Ring - A frictional clutch for a hand-held device for transferring a film from a backing tape onto a substrate comprises a first main member having a cylindrical element coaxially protruding into a circular center opening of a second main member. | 10-30-2008 |
| 20090211871 | LOCKING DEVICE FOR A START-STOP OPERATION OF A STARTER GENERATOR - A torque-transmission system with a decoupler ( | 08-27-2009 |
| 20090272618 | PULLEY WITH TORQUE-SENSITIVE CLUTCHING - A pulley assembly for use in an automobile accessory drive system includes a shaft engaging member including a bore for receiving an accessory input shaft for engagement therewith. A pulley member includes a bore receiving an axially extending shaft of the shaft engaging member. The pulley member includes a first coupling surface and a peripheral belt-engaging surface. A shaft extension member transfers torque between the pulley member and the shaft engaging member. The shaft extension member includes a second coupling surface facing the first coupling surface. The first and second coupling surfaces couple together when torque applied to the shaft extension member is in a first direction such that the shaft extension member and the shaft engaging member rotate with the pulley member. The first and second coupling surfaces decouple when torque applied to the shaft extension member is in a second direction opposite the first direction such that the shaft engaging member rotates relative to the pulley member. | 11-05-2009 |
| 20090277744 | LOCKING DEVICE OF ROTARY SHAFT - A locking device of a rotary shaft includes a clutch member rotating integrally with the rotary shaft and provided so as to be displaceable in the direction of axis of the rotary shaft, a locking member provided in a fixed state to engage the clutch member to regulate the rotation of the clutch member, a biasing member biasing the clutch member toward the locking member, and a torque transmission member rotating under the rotary torque transmitted thereto from a power source, having a boss loosely inserted into a cam groove provided in an outer peripheral portion of the clutch member, and transmitting the rotary torque to the clutch member via the boss. The boss is displaced within the cam groove with switching of the rotation/stop of the torque transmission member or switching of the rotational direction thereof. | 11-12-2009 |
| 20100006389 | SPRUNG ANTI-BACKING-OFF DEVICE - The invention relates to a mechanical sprung anti-backoff device, capable of fixedly immobilizing or releasing a manual control handwheel ( | 01-14-2010 |
| 20100101914 | ONE WAY CLUTCH - A one way clutch arranged for coupling a transmission having a stator shaft to a torque converter stator including a hub having an outer circumferential edge having a first wall extending perpendicularly therefrom and an inner circumferential edge having a hub spline arranged thereon, the first wall having at least one hub slot, and each of the at least one hub slot has a first length, a substantially cylindrical spring ring having a second wall, the second wall including at least one spring ring slot and at least one spring ring tab arranged adjacent to an open end of the at least one spring ring slot and forming at least a portion of an edge of the at least one spring ring slot, each of the at least one spring ring slot has a second length greater than the first length, the at least one hub slot in registered alignment with the at least one spring ring slot and the at least one spring ring tab arranged within and adjacent to the at least one hub slot and extends radially therethrough and a tab plate having a circumferential edge having at least one tab plate tab extending radially therefrom, the tab plate arranged axially and rotationally displaceable relative to the hub and the spring ring, the at least one tab plate tab is arranged within the at least one hub slot and/or the at least one spring ring slot. | 04-29-2010 |
| 20100116617 | Isolator with one-way clutch - An isolator comprising a one-way clutch engaged with a hub structure, a belt engaging member, a resilient member operationally engaged between the one-way clutch and the belt engaging member, the belt engaging member engaged with the hub structure through a first and second ball bearing where by a radial load is transmitted through the first and second ball bearings, and the one-way clutch disposed between the first and second ball bearings such that no radial load is transmitted through the one-way clutch. | 05-13-2010 |
| 20100147646 | PULLEY WITH ASYMMETRIC TORQUE-SENSITIVE CLUTCHING - A pulley assembly for use in an automobile accessory drive system includes a shaft engaging hub, a pulley member, a nut treaded onto the shaft engaging hub, and a brake member interposed between the pulley member and the nut. The shaft engaging hub is engaged with an accessory input shaft for rotation therewith. Frictional engagement between the pulley member, the brake member, and the nut transfers torque from the pulley member to the input shaft. The pulley member includes an inner coupling surface and a peripheral belt-engaging surface. The nut includes an outer coupling surface. The brake member includes a first coupling surface in frictional engagement the outer coupling surface of the nut and a second coupling surface in frictional engagement with the inner coupling surface of the pulley member. When torque is applied to the nut in a first direction the out coupling surface of the nut couples to the inner coupling surface of the brake member such that the hub and the nut rotate with the pulley member. The outer coupling surface of the nut and the inner coupling surface of the brake member decouple when torque applied to the nut is in a second direction opposite the first direction such that the hub rotates relative to the pulley member. | 06-17-2010 |
| 20100200358 | OVERRUNNING COUPLING AND CONTROL ASSEMBLY INCLUDING APPARATUS HAVING A LATCHING MECHANISM - Overrunning coupling and control assemblies, each of which includes control apparatus having a latching mechanism are provided. Each latching mechanism prevents an actuator arm of an overrunning coupling assembly from moving in a first direction substantially parallel to a shift direction of a control plate of the coupling assembly within a housing slot in a locked condition of the mechanism in a first position of the control plate. A control pressure signal within a bore of the housing changes the condition of the latching mechanism from locked to unlocked to unlock the actuator arm and causes the unlocked actuator arm to move along the first direction within the slot and the control element to move along the shift direction to a second position. The control pressure signal also causes a piston which has a groove formed in its outer surface to receive and retain a free end portion of the actuator arm to slide within the bore in the housing against the biasing force of the at least one biasing member. In the absence of a control pressure signal, the at least one biasing member moves the piston and thereby the unlocked actuator arm in a second direction opposite the first direction within the slot and the control element along the shift direction from the second position back to the first position and changes the condition of the latching mechanism from unlocked to locked to lock the actuator arm. | 08-12-2010 |
| 20110088993 | SPRING CLUTCH - A spring clutch is provided for which durability is improved by preventing a clutch spring from breaking due to fatigue. A cylindrical clutch spring made from a wire having a square section is mounted between a pulley and a pulley hub mounted in the pulley. An end of the clutch spring is coupled to the pulley hub. A clutch surface is formed on the inner periphery of the pulley and is formed with a large-diameter recess at a position opposite to the end portion of the clutch spring including the torque transmission end. When the pulley rotates in one direction, the clutch spring expands. At this time, the end portion of the clutch spring including the torque transmission end expands in the large-diameter recess, thus relaxing sharp torque produced in the clutch. This prevents local stress concentration on the clutch spring and breakage of the clutch spring and improves the durability of the clutch. | 04-21-2011 |
| 20110162938 | Torque Limited Decoupler - A decoupler assembly with a torsional damping system and a torque limiter. The torsional damping system has a torsion spring that facilitates transfer of rotary power into a hub. The torque limiter is wrapped about the torsion spring and radially expands with the torsion spring as a magnitude of the rotary power transmitted through the torsion spring increases. Contact between the torque limiter and another structure in the decoupler assembly halts radial expansion of the torsion spring. | 07-07-2011 |
| 20110220453 | CONTINUOUS VARIABLE CLUTCH - A continuous variable clutch is provided. The continuous variable clutch includes a first sheave member and a second sheave member. The first sheave member includes a first central hub and a first conical-faced surface extending radially from the first central hub. The second sheave member includes a second central hub and a second conical-faced surface that extends radially from the second central hub. The second central hub of the second sheave member is received in a cavity of the first central hub such that the first conical-faced surface of the first sheave member facing the second conical-faced surface of the second sheave portion. The second central hub moving axially within the first central hub based on an amount of torque on the continuous variable clutch. The first sheave member and the second sheave member further forming a central passage to receive an input shaft of a transmission. | 09-15-2011 |
| 20110233026 | OVERRUNNING COUPLING AND CONTROL ASSEMBLY INCLUDING AN ELECTROMECHANICAL ACTUATOR SUBASSEMBLY - An overrunning coupling or clutch and control assembly including first and second coupling members and an electromechanical actuator subassembly having an electromagnetically inductive coil which creates a magnetic flux when the coil is energized is provided. A control force caused by the magnetic flux is applied to an armature member of the subassembly to move the armature member and cause the coupling members to be either coupled to or uncoupled from each other by means of struts. | 09-29-2011 |
| 20120152691 | WRAP SPRING CLUTCH COUPLING WITH FORCED SPRING CLEARANCE DISENGAGEMENT - A rotational coupling is provided. The coupling includes first and second hubs disposed about an axis of rotation. A wrap spring is disposed radially outwardly of the hubs and rotatably couples the hubs upon rotation of the first hub in a first rotational direction. A spring actuation member is configured for rotation about the axis and coupled to one end of the wrap spring. The opposite end of the wrap spring is coupled to the second hub. An actuator is configured to selectively stop rotation of the spring actuation member and the second hub in the first rotational direction and cause rotation of the spring actuation member in a second rotational direction to thereby unwrap the wrap spring. The rotational coupling therefore facilitates disengagement of the wrap spring from the first hub during release of the coupling to prevent undue noise and vibration and reduce wear. | 06-21-2012 |
| 20120186938 | Isolating decoupler - An isolating decoupler comprising a hub, a one-way clutch engaged with the hub, a pulley rotationally engaged with the hub, a spring operationally engaged between the one-way clutch and the pulley, and an inertia member engaged with the hub through an elastomeric member, the inertia member substantially disposed within a width of the pulley, the inertia member moveable independently of the pulley. | 07-26-2012 |
| 20120298474 | Isolator Decoupler - An isolating decoupler comprising a shaft, a pulley rotationally engaged with the shaft, a coil spring engaged between the pulley and a spring carrier, the spring carrier moveable relative to the shaft and pulley, a one-way clutch mounted to the shaft, a first torsion spring and a second torsion spring engaged between the spring carrier and the one-way clutch, the first torsion spring and the second torsion spring having a releasable frictional engagement with the one-way clutch, the first torsion spring and the second torsion spring comprising adjacent parallel strands and having substantially equal diameters, the first torsion spring and the second torsion spring each being engagable with the pulley, the first torsion spring releasing a frictional engagement with the one-way clutch upon an engagement with the pulley, and the second torsion spring releasing a frictional engagement with the one-way clutch upon an engagement with the pulley. | 11-29-2012 |
| 20120318633 | FRICTION RING FOR FRICTION SHAFTS, PARTICULARLY FOR WINDING SPOOLS - “A friction ring for friction shafts, particularly for winding spools, comprising an inner ring, which can be arranged on a friction shaft and is associated with an outer ring, from which means protrude for detachably locking the core of a winding spool that can be mated to the friction shaft, means being further provided for activating the locking means by mutual rotation between the inner ring and the outer ring, elastic means being provided which act between the inner ring and the outer ring to push the locking means radially outward.” | 12-20-2012 |
| 20130056328 | CRANKSHAFT TORQUE MODULATOR - A decoupler with driven and driving members, a clutch, a torsional vibration damper and a lubricant. The clutch is received in a bore in the driven member and includes a carrier, a wrap spring and at least one spring. The wrap spring is formed of spring wire and has a plurality of coils disposed between a first end, which is received in a groove in the carrier, and a second end. The portion of the wrap spring outside the carrier has an outer circumferential spring surface that is abutted against the inner circumferential surface of the bore. The at least one spring is disposed between the carrier and the driving member to transmit rotary power from the driving member to the carrier. The torsional vibration damper is coupled to the driving member for rotation therewith. The lubricant is disposed on the remaining portion of the wrap spring. | 03-07-2013 |
| 20130062155 | Decoupling Pulley - The invention relates to an uncoupling pulley comprising a rim secured to a first power-transmitting element, and a torsion spring mounted in a receptacle secured to a second power-transmitting element, one of the power-transmitting elements being a driving element and the other of the power-transmitting elements being driven, characterized in that the receptacle is a bell-housing inside which the spring is centered, which spring has a first end region ( | 03-14-2013 |
| 20130087428 | ISOLATION PULLEY WITH OVERRUNNING AND VIBRATION DAMPING CAPABILITIES - A decoupler having an input hub, an output member, a one-way clutch, and at least one isolation spring. Rotary power is transmitted in a predetermined rotational direction from the input hub, through the one-way clutch, through the isolation spring and to the output member. A method for forming a decoupler is also provided. | 04-11-2013 |
| 20130092501 | Alternator Isolating Decoupler - An alternator isolating decoupler comprising an alternator shaft, a one-way clutch engaged with the alternator shaft, a first wrap spring releasably engaged with the one-way clutch, a second wrap spring releasably engaged with the one-way clutch, the second wrap spring arranged in parallel with the first wrap spring, the first wrap spring and the second wrap spring in nested relation, the first wrap spring and the second wrap spring each having an end releasably engagable with an end cap, the end cap fixedly connected to an outer housing, the first wrap spring and the second wrap spring each engaged in series with a torsion spring, the torsion spring engaged with the outer housing, and the outer housing engaged with an alternator rotor. | 04-18-2013 |
| 20130098733 | DECOUPLER WITH INTEGRATED TORSIONAL VIBRATION DAMPER - A decoupler assembly with an input hub, an output member, and a one-way clutch. In one form, the decoupler assembly includes an annular bearing mount with a needle bearing disposed between the bearing mount and the input hub to support the output member for rotation on the input hub. In another form the decoupler assembly further comprises a torsional vibration damper that is received within an internal cavity that is bounded on opposite axial ends by the output member and a cover that is coupled to the output member. | 04-25-2013 |
| 20130105270 | LOAD TORQUE LOCK AND UNIT HAVING A LOAD TORQUE LOCK | 05-02-2013 |
| 20130233670 | Isolator Decoupler - An isolator decoupler comprising a pulley, the pulley journalled to a shaft, a torsion spring having an end engaged with the pulley, the torsion spring loadable in an unwinding direction, a one-way clutch carrier, a one-way clutch disposed between the shaft and the one-way clutch carrier, a wrap spring engagable with an inner surface of the one-way clutch carrier, the wrap spring coupled to the torsion spring, and the wrap spring loadable in the unwinding direction such that the wrap spring through friction is able to lockably engage the inner surface in a driving direction. | 09-12-2013 |
| 20130319814 | CLUTCHED DEVICE WITH THRUST RING - A clutched device that includes a driving member, a driven member and a clutch assembly that is disposed between the driving and driven members. The clutch assembly includes a carrier, a wrap spring and a spacer. The carrier is configured to coupled the wrap spring to one of the driving and driven members to permit the transmission of rotary power there between. The spacer is configured to limit elongation of the wrap spring in an axial direction. | 12-05-2013 |
| 20140008175 | ISOLATOR DECOUPLER - An isolator decoupler comprising a pulley, a shaft, the pulley journalled to the shaft on a low friction bushing, a spring carrier disposed within the pulley, a torsion spring coupled between the pulley and the spring carrier, a wrap spring one way clutch wrapped about the shaft and having a frictional engagement therewith, the wrap spring one way clutch coupled to the spring carrier, the wrap spring one way clutch is disposed radially inward of the torsion spring, and the pulley temporarily engagable with an end of the wrap spring one way clutch in an unwinding direction whereby a temporary contact between the wrap spring one way clutch end and the pulley will temporarily diminish the frictional engagement of the wrap spring one way clutch with the shaft. | 01-09-2014 |
| 20140076683 | CLUTCH MECHANISM AND DECOUPLER DEVICE WITH SAME - A clutched device that includes a pulley, a shaft member, a first one-way clutch having a first wrap spring, and an actuator having an electromagnetic coil and an armature. The first one-way clutch rotationally couples the pulley and the shaft member when the actuator is actuated and rotary power is transmitted from a first one of the pulley and the shaft member to the other one of the pulley and the shaft member in a first rotational direction. A frictional force is applied to the armature when the actuator is activated. The frictional force is configured to resist rotation of the armature to cause the first wrap spring to radially expand into driving engagement with a clutch surface that is coupled to the pulley for common rotation. | 03-20-2014 |
| 20140305765 | ISOLATOR DECOUPLER - An isolator decoupler comprising a pulley, a shaft, the pulley journalled to the shaft on a low friction bushing, a spring carrier, the pulley journalled to the spring carrier on a low friction bushing, the spring carrier journalled to the shaft on a low friction bushing, a torsion spring coupled between the pulley and the spring carrier, a one way clutch spring frictionally engaged with the shaft, the one way clutch spring coupled to the spring carrier, the one way clutch spring is disposed radially inward of the torsion spring, and the pulley temporarily engagable with an end of the one way clutch spring whereby the frictional engagement of the one way clutch spring with the shaft is temporarily diminished. | 10-16-2014 |
| 20150060232 | ISOLATOR FOR ENGINE WITH PROGRESSIVE LOCK-UP FOR ISOLATION SPRING - In an aspect, an isolator is provided for isolating a device driven by an engine via an endless drive member. The isolator includes a shaft adapter that is connectable with a shaft of the device, a rotary drive member that is engageable with the endless drive member, a torsion spring that is positioned to transfer torque between the shaft adapter and the rotary drive member, and a torque limiting surface. The torsion spring has a first helical end, a second helical end and a plurality of coils between the first and second helical ends. The torque limiting surface has a selected non-zero spacing from the coils. The spacing between the torque limiting surface and each coil is selected such that, during operation, the torsion spring has a spring rate that is below a first spring rate during relative movement between the shaft adapter and the rotary drive member within a selected angular range from a neutral position, and has a spring rate that increases progressively above the first spring rate during relative movement between the shaft adapter and the rotary drive member beyond the selected angular range from the neutral position. | 03-05-2015 |
| 20150075943 | POWER TRANSMITTING DEVICE WITH OVERRUNNING DECOUPLER - A decoupler that includes a hub, a drive member and a one-way clutch and torsionally resilient coupling. The drive member is configured to engage an endless power transmitting element. The one-way clutch and torsionally resilient coupling is disposed in series in a torque path and has a carrier and a wrap spring. The carrier defines a groove. The wrap spring is formed of wire and has an engagement end and a plurality of helical coils. The engagement end is being shorter in overall length than a length of one of the helical coils. The engagement end is received in the groove. The carrier is received in a pocket formed in a rotary member that can be the hub, the drive member, or a component in a torque path between the hub and the drive member. An axial end face of the wire that forms the wrap spring is abutted against an edge of the pocket. | 03-19-2015 |
| 20150122610 | DECOUPLER CARRIER WITH BALANCED FORCES - In one aspect, a decoupler comprises an input member, an output member, and a torsional isolation spring, a carrier, and a wrap spring clutch configured to operate in a first mode in which rotary power is transmitted in a first rotational direction from the input member to the output member serially through the wrap spring clutch, the carrier, and the isolation spring, and a second mode in which the output member overruns the input member in the first rotational direction. The carrier has a carrier clutch drive face that receives a first vector force from an end of the wrap spring clutch, and an isolation spring drive face that receives a second vector force from an end of the isolation spring. The wrap spring clutch and isolation spring drive faces are arranged so as to direct the second vector force to intersect with the first vector force substantially at the carrier clutch drive face. | 05-07-2015 |
| 20160076603 | POWER TOOL - A slip clutch ( | 03-17-2016 |
