Entries |
Document | Title | Date |
20080220926 | Differential for Vehicles - The differential for vehicles comprises a rotatable carcass ( | 09-11-2008 |
20080227583 | DIFFERENTIAL CASE FOR VEHICLE AND DIFFERENTIAL DEVICE FOR VEHICLE INCLUDING DIFFERENTIAL CASE - It is an object of the present invention to provide a differential case for a vehicle and a differential device for a vehicle restricting change and movement of an intermeshing of a pair of side gears and a pair of pinion gears to achieve stable differential restriction force. | 09-18-2008 |
20080261748 | FOUR PINION DIFFERENTIAL WITH CROSS PIN RETENTION UNIT AND RELATED METHOD - A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a retainer, such as a clip or a pair of roll pins, that can secure at least one of the cross pins in place. | 10-23-2008 |
20080280720 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus for performing switching between 2-wheel and 4-wheel drive modes and locking and unlocking of a differential by an operational shaft can comprise a reversible motor, a driving shaft rotationally driven by the motor and adapted to be engaged by the operational shaft for transmitting a rotational force therebetween, a sub case for containing the motor and the driving shaft therein and mounted on the main case, an opening formed in the sub case and having a size permitting the operational shaft to be inserted and an end face of the driving shaft for engaging an end face of the operational shaft to be exposed, and a first sealing means arranged on the inner circumferential surface of the opening at a position away from the driving shaft for sealing off the inside of the sub case with forming a seal between the inner circumferential surface of the opening and the outer circumferential surface of the operational shaft when the operational shaft is engaged with the driving shaft. | 11-13-2008 |
20080312024 | Differential Assembly With Centered Differential Gears - The invention relates to a differential assembly in the form of a crown gear differential, more particularly for being used in the driveline of a motor vehicle. The differential assembly comprises a differential carrier ( | 12-18-2008 |
20090017962 | Differential mechanism assembly - A differential assembly includes a first case portion, a second case portion secured to the first case portion, the first case portion and the second case portions enclosing a cavity and supported for rotation about a first axis, a spider pin located within and extending beyond the cavity at an axial position to engage the ring gear and secured to at least one of the first case portion and the second case portion for rotation therewith, and a ring gear secured to at least one of the first case portion and the second case portion, located radially outboard of the spider pins and at the axial position of the spider pins. | 01-15-2009 |
20090048055 | Differential With Cross Pin Retention System And Method For Assembly - A differential assembly includes a retainer for a cross pin having a bore aligned with a bore formed in a differential housing. The cross pin retainer is positionable at partially-inserted and fully-inserted positions within the cross pin and differential bores. At a first rotational orientation, the cross pin retainer is positionable in its partially-inserted position to temporarily retain the cross pin within the differential housing. At a second rotational orientation, the cross pin retainer is positionable in its fully-inserted position to retain the cross pin within the differential housing. Features of the cross pin retainer cooperate with surfaces formed in the differential housing to allow the cross pin retainer to be fixedly positioned and secured within the differential housing. | 02-19-2009 |
20090075777 | Support structure for differential - A support structure for a differential assembly comprising: a support ring having a peripheral wall extending between a first face and a second face, the support ring having a non-hollow center; a bore in the peripheral wall sized and shaped to receive a pinion shaft; and an aperture in the first face, the second aperture in fluid communication with the first aperture. | 03-19-2009 |
20090082161 | Differential assembly with welded differential carrier - A differential assembly includes a differential carrier ( | 03-26-2009 |
20090082162 | DIFFERENTIAL AND BEARING ARRANGEMENT - An axle assembly with an axle housing with a pair of bearing journals, a differential assembly disposed between the bearing journals, a pair of differential bearings and a pair of hollow adjusters that can be threaded into the bearing journals to preload the differential bearings and control gear lash between a pinion and a ring gear. Retaining members can be non-rotatably engage to the hollow adjusters and can be press-fit into counterbores in the outboard sides of the bearing journals. The axle housing can include an unitarily formed differential housing with a body and an axle tube structure, and a first axle tube that can be discretely formed and coupled to the body. | 03-26-2009 |
20090088285 | FOUR PINION DIFFERENTIAL WITH CROSS PIN RETENTION UNIT AND RELATED METHOD - A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a collar and a plurality of pin members. | 04-02-2009 |
20090088286 | DIFFERENTIAL GEAR - In a differential gear, a differential case includes: a first differential case on a side ranging from a pinion-shaft installation part on which a pinion shaft is installed, to a ring gear; and a second differential case on a side opposite to the side ranging from a pinion-shaft installation part on which the pinion shaft is installed, to the ring gear. The first differential case is integrally molded from only a low-carbon steel containing less than 0.45% of C, by forging or by forging and cutting. The second differential case is integrally molded from only a low-carbon steel containing less than 0.45% of C, by forging or by forging and cutting. The first differential case and the second differential case are bonded to each other by welding. | 04-02-2009 |
20090105031 | Differential assembly and method for manufacturing same - A differential assembly and method of manufacturing such an assembly are provided. A method for manufacturing a differential assembly includes forming a first portion of a differential carrier; forming a second portion of the differential carrier; securing the first portion to the second portion to form the differential carrier; forming a differential housing; and securing the differential carrier to the differential housing to form a differential assembly. A sintering process may be used to form the first portion and second portion of the differential carrier, and the first and second portions may be secured together by a brazing process. The forming of the first and second portions of the differential carrier and the securing of the first and second portions to form a differential carrier may be achieved by a sinter-brazing process. | 04-23-2009 |
20090118054 | DIFFERENTIAL APPARATUS FOR VEHICLE AND ASSEMBLING METHOD THEREOF - It is an object of the present invention to provide a differential apparatus for a vehicle and assembling method thereof obtaining a stable differential restricting torque and achieving high flexibility of setting a higher torque bias ratio TBR. | 05-07-2009 |
20090137357 | METHOD FOR MAKING VEHICLE AXLE DIFFERENTIAL CASING AND RESULTANT PRODUCT - A method for making a differential gear casing ( | 05-28-2009 |
20090192007 | Casing Structure for Torque Transmission Device - A casing structure for a torque transmission device is provided with a ring gear for receiving and transmitting torque with an external member so as to rotate around an axis and a casing rotating with the ring gear. The ring gear is provided with tapped holes. The casing is provided with a main casing having first through holes and a cover having second through holes. Bolts are respectively inserted through the first and second through holes and tightened in the tapped holes so that the casing is fixed to the ring gear. A diameter of the first throughholes differs from a diameter of the second throughholes. | 07-30-2009 |
20090215572 | DIFFERENTIAL FOR MODEL CAR - A differential for a model car includes a housing having a chamber, four notches recessed in a periphery of the chamber and each having a trapezoid section, four blocks received in the notches respectively, a spider having four ends connected with the blocks respectively, four first bevel gears respectively sleeved on the ends of the spider, two second bevel gears received in the chamber and engaged with the first bevel gears respectively, a main gear sleeved on the housing, and two output shafts respectively passing through the main gear and the housing to be connected with the second bevel gears. Thus, the first bevel gears and the second bevel gears can be tightly engaged with each other by means of the arrangement of the spider and the blocks to eliminate the power loss of the model car. | 08-27-2009 |
20090215573 | Differential gear - A differential case includes a first boss part into which a first drive shaft is inserted, and a second boss part into which a second drive shaft opposed to the first drive shaft is inserted. The differential case is composed of: a first case body extending from pinion-shaft assembling parts on which a pinion shaft is assembled, to a ring gear; a second case body having the first boss part; and a third case body having the third boss part. The first case body is integrally formed by forging. The second case body is integrally formed by forging. The third case body is integrally formed by forging. The first case body and the second case body are joined to each other by welding. The first case body and the third case body are joined to each other by welding. | 08-27-2009 |
20090215574 | DIFFERNTIAL GEAR - The invention relates to a differential gear having a differential housing in which two conical compensating gears are rotatably supported about a first axis of rotation and two conical output gears meshing with the compensating gears are rotatably supported about a second axis of rotation oriented at right angles to the first axis of rotation, wherein a spring device is arranged between the differential housing and at least one of the output and/or compensating gears to load it with a spring force. | 08-27-2009 |
20090258750 | Vehicle differential - A differential assembly has a cross-pin connecting a ring gear to at least one section of a differential case half. The cross-pin may be secured in place by threading it into a part of the differential case or by a locking pin. Torque is transferred directly from the ring gear through the cross-pin to the differential side pinions or gears. | 10-15-2009 |
20090270218 | DIFFERENTIAL ASSEMBLY WITH BEARING DISCS IN OPENINGS FOR MOUNTING PURPOSES - The invention relates to a differential assembly in the form of a crown gear differential, more particularly for being used in the driveline of a motor vehicle. The differential assembly comprises a differential carrier ( | 10-29-2009 |
20090280946 | VEHICULAR DIFFERENTIAL GEAR APPARATUS - A differential casing | 11-12-2009 |
20090305835 | Four Pinion Differential With Cross Pin Retention Unit And Related Method - A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a retainer, such as a clip or a pair of roll pins, that can secure at least one of the cross pins in place. | 12-10-2009 |
20100029434 | VEHICLE DIFFERENTIAL APPARATUS - A vehicle differential apparatus includes: a differential case; two side gears; and two pinions. An axial center of each pinion is provided with a first pinion shaft insertion hole. A pinion shaft is inserted in the first pinion shaft insertion holes. An inner peripheral surface of the first pinion shaft insertion hole of each pinion is provided with two sliding surfaces that are slidable on one of two pinion inner peripheral surface-supporting portions of the pinion shaft, and a non-contacting surface that is not able to contact the pinion inner peripheral surface-supporting portion. The sliding surfaces and the non-contacting surface of each first pinion shaft insertion hole are disposed at positions adjacent to each other in the axis direction of the first pinion shaft insertion hole. | 02-04-2010 |
20100056320 | Spider-less vehicle differential - A ring gear has a plurality of spaced apart recess on an internal surface for receiving a plurality of side pinions within the recesses. The side pinions are driven directly by the ring gear without a differential spider or differential pin. | 03-04-2010 |
20100062892 | Differential Provided with a Drive Wheel - A differential provided with a drive wheel comprising two pairs of bevel gears disposed in a two-part housing, one of the pairs of bevel gears being a pair of axle bevel gears and the other pair of bevel gears being a pair of compensating bevel gears. | 03-11-2010 |
20100113207 | Differential With Cross Pin Retention System And Method For Assembly - A differential assembly includes a retainer for a cross pin having a bore aligned with a bore formed in a differential housing. The cross pin retainer is positionable at partially-inserted and fully-inserted positions within the cross pin and differential bores. At a first rotational orientation, the cross pin retainer is positionable in its partially-inserted position to temporarily retain the cross pin within the differential housing. At a second rotational orientation, the cross pin retainer is positionable in its fully-inserted position to retain the cross pin within the differential housing. Features of the cross pin retainer cooperate with surfaces formed in the differential housing to allow the cross pin retainer to be fixedly positioned and secured within the differential housing. | 05-06-2010 |
20100130325 | DIFFERENTIAL OF LIGHTWEIGHT CONSTRUCTION FOR MOTOR VEHICLES - The invention relates to a differential of lightweight construction for motor vehicles having a differential housing made of two sheet metal shells, in which differential bevel gears ( | 05-27-2010 |
20100130326 | Differential Assembly With Preload Adjustment Mechanism - A vehicle differential assembly may include a differential housing rotatable about an axis, a first output assembly, a pinion gear, and a first coupling assembly. The first output assembly may include a first side gear and a first output member. The first side gear may be disposed within the differential housing and may be rotatable about the axis. The first output member may be coupled to the first side gear for rotation therewith. The first coupling assembly may be engaged with the first output assembly and may include a coupling mechanism and a biasing member. The coupling mechanism may extend through an opening in the first output member and may be displaceable relative to the differential housing in a direction generally parallel to the axis. The biasing member may be engaged with the coupling mechanism and may urge the first output assembly into frictional engagement with the differential housing. | 05-27-2010 |
20100151983 | Spider-less vehicle differential - A differential case has a plurality of spaced apart recesses on an internal surface for receiving a plurality of side pinions within the recesses. The side pinions are driven by the case without a differential spider or differential pin. | 06-17-2010 |
20100184552 | DIFFERENTIAL CARRIER ASSEMBLY FOR A VEHICLE - A differential carrier assembly for use in an axle of a vehicle includes a differential carrier that extends along a central axis. The differential carrier defines a chamber. A first stub shaft extends along a first rotational axis, transverse to the central axis. The first stub shaft is disposed within the chamber and is supported by the differential carrier. A first pair of gears is disposed in spaced relationship on the first stub shaft for rotation about the first rotational axis. A second stub shaft extends along a second rotational axis, transverse to the central axis and the first rotational axis. The second stub shaft is disposed within the chamber and supported by the differential carrier. A second pair of gears is disposed in spaced relationship on the second stub shaft for rotation about the second rotational axis. | 07-22-2010 |
20100227727 | DIFFERENTIAL GEAR DEVICE - A differential gear device includes a case in which a housing portion is formed, and which rotates around a rotation center line; a first protruding portion that is located at a position away from the rotation center line, and protrudes from an inner surface of the case toward the rotation center line, wherein the first protruding portion tapers in a direction from the inner surface of the case toward the rotation center line; a first gear that is provided around the first protruding portion, and that is rotatable; a second gear that engages with the first gear, and that is connected with a first output shaft; and a third gear that engages with the first gear, and that is connected with a second output shaft. | 09-09-2010 |
20100261569 | FRONT DIFFERENTIAL FOR A VEHICLE - A front differential for a four wheel drive vehicle, includes: a switching mechanism that switches the vehicle between rear-wheel drive and front- and rear-wheel drive by selectively interrupting or allowing the transmission of power between one of a pair of side gears and one of a pair of front wheels; and an urging mechanism that urges at least one of the pair of side gears in a drive shaft axial direction toward at least one of the front wheels. | 10-14-2010 |
20100292041 | Differential for Motorcycle Trike - A tilting suspension system is adapted for use with a vehicle having three wheels and a frame. The system has two sets of control arms, each set of control arms being pivotally connected to one side of the frame. An upright is pivotally connected to each set of control arms, each upright having a rotatable hub for allowing one of the wheels to be mounted thereto. Two rocker arms are pivotally connected to the frame, and a control link is pivotally connected to each of the rocker arms, such that pivoting of one rocker arm causes corresponding pivoting of the other rocker arm. A link member operably connects each rocker arm to a corresponding upright, such that pivoting of each rocker arm causes corresponding movement of the uprights. An actuator is configured to selectively pivot the rocker arms, such that actuation of the actuator pivots the rocker arms, thereby causing the frame to rotate about a generally longitudinal roll center and causing each upright to rotate about a generally longitudinal axis. | 11-18-2010 |
20100317483 | HIGH PERFORMANCE DIFFERENTIAL - A gear set includes a first gear having at least one tooth with a first tooth profile. The first tooth profile may comprise a first segment comprising a first plurality of sections. At least one of the first plurality of sections may have a first profile angle, and at least one of the first plurality of sections may have a second profile angle. The first profile angle and the second profile angle may be different. A differential is also provided that includes a differential case, a pinion shaft disposed inside the differential case, and a pinion gear. | 12-16-2010 |
20100331134 | AXLE - An axle has a central crown wheel receiving portion with a pinion side and an opposite side. The opposite side is defined by a first crown wheel bowl for receiving a part of a crown wheel, the first crown wheel bowl having a peripheral edge. The axle includes a second crown wheel bowl for receiving the part of the crown wheel. The second crown wheel bowl is nested with the first crown wheel bowl and is attached to the first crown wheel bowl at a peripheral edge to define a reservoir. | 12-30-2010 |
20110021305 | DIFFERENTIAL HAVING SELF-ADJUSTING GEARING - A differential for use in a vehicle drive train including a gear case that is operatively supported in driven relationship with respect to the drive train and a spider mounted for rotation with the gear case. The spider includes at least one pair of cross pins. Each cross pin defines a longitudinal axis and an outer surface that is convex about an axis extending perpendicular to the longitudinal axis of the cross pin. Pinion gears include a central bore where the cross pins are received in the central bore of the pinion gears such that the gears are mounted for rotation with the spider and in meshing relationship with side gears with an increased degree of rotational freedom of the pinion gears about the convex surface of the cross pin. Alternatively, the central bore of the cross pin may have an inner surface that is convex along the axis of the central bore. | 01-27-2011 |
20110059822 | Powder Forged Differential Gear - A differential assembly, bevel gears for the assembly, and a method of making the bevel gears are disclosed. The bevel gears have a form which provides for high power density transfer. | 03-10-2011 |
20110143879 | Axle Assembly with a Differential Provided with a Drive Wheel - An axle assembly comprising a differential provided with a drive wheel comprising two pairs of bevel gears disposed in a two-part housing, one of the pairs of bevel gears being a pair of axle bevel gears and the other pair of bevel gears being a pair of compensating bevel gears. | 06-16-2011 |
20110152028 | FOUR PINION DIFFERENTIAL WITH CROSS PIN RETENTION UNIT AND RELATED METHOD - A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a collar and a plurality of pin members. | 06-23-2011 |
20110245011 | VIBRATION DAMPING DEVICE AND POWER TRANSMISSION DEVICE - A vibration damping device is equipped with a mass body disposed spaced apart from a rotational center axis of a rotary shaft by a certain distance, and a rolling bearing that rotatably supports the mass body with respect to the rotary shaft and holds a support posture of the mass body with respect to the rotational center axis of the rotary shaft constant. | 10-06-2011 |
20110251012 | DIFFERENTIAL ABIK FOR TRANSPORTATION MEANS - The invention relates to differential drives for driving axles and wheels of transport means. The differential includes output shafts, which are kinematically interconnected by at least one differential pinion. The differential pinion is connected to the differential's housing by means of at least one intermediate member, which rotates freely in the housing coaxially to the geometrical axis of the differential pinion, and—conjugated surface zones of the differential pinion and the intermediate member, which zones are offset relative to the geometrical axis of the differential pinion. The conjugated surface zones may have different configurations. The invention makes it possible to simplify the design of a self-locking differential and to significantly increase the range of the blocking effect. | 10-13-2011 |
20120015775 | DIFFERENTIAL ASSEMBLY FOR A VEHICLE - A differential assembly according to the invention and indicated generally by the reference numeral comprises a differential housing containing a spider on which are rotatably mounted a number of planet bevel gears which rotatably engage the bevel gears which are spline mounted on the output shafts. The output shafts are connected via articulating joints to propshafts that are driveably connected to the road wheels of the vehicle. The vehicle engine drives a propshaft by means of various gear mechanisms. This propshaft is connected to the differential assembly input shaft by means of a coupling on the input shaft so as to transmit torque to the differential assembly by means of a pinion gear on the input shaft. The pinion gear meshes with a crown wheel bevel gear which is mounted on the differential housing so as to transmit the engine torque to the housing. The crown wheel bevel gear has gear teeth which face away from the differential assembly spider thus providing a relatively large offset between the axis of the input shaft and the axis of the spider. | 01-19-2012 |
20120028750 | DIFFERENTIAL GEAR AND VEHICLE PROVIDED WITH DIFFERENTIAL GEAR - A differential gear is structured such that a first differential case and a second differential case overlap one another in the radial direction such that a first joining portion of the first differential case, i.e., a portion of an outward flange that is on the outer peripheral side of a through-hole, is positioned on the outer peripheral side of a second joining portion of the second differential case, i.e., a joining protrusion that is inserted in the through-hole. In addition, the ring gear is arranged facing those joining portions in the direction of the axis, and laser beam welded from the outer peripheral side at the portion where the ring gear faces both of those joining portions. Accordingly, the three members, i.e., the first differential case, the second differential case, and the ring gear, are all integrally joined together by a single welding operation, and manufacturing costs can be reduced. | 02-02-2012 |
20120115669 | DIFFERENTIAL APPARATUS - A differential apparatus is provided with a case; a pinion gear; a pair of side gears meshing with the pinion gear; a spherically depressed pinion gear supporting surface portion formed on an inner surface of the case to support a spherically projecting back side portion of the pinion gear; and spherically depressed side gear supporting surface portions formed on the inner surface of the case to respectively support spherically projecting back side portions of the side gears. The projecting back side portions of the side gears which are slidable on the depressed side gear supporting surface portions are formed on tooth portions of the side gears. | 05-10-2012 |
20120190494 | Differential - A differential, having at least one drive gear, at least two axle gears, at least one compensating gear, and at least one connector element, in which the connector element is subjected to at least one first torque from the drive gear and transmits at least one second torque to at least one of the at least two axle gears. The drive gear is constructed in such a manner that the drive gear at least partially encloses at least one interior space, and the connector element is arranged at least partially inside the interior space enclosed at least partially by the drive gear. | 07-26-2012 |
20120238396 | Lower Powertrain Axle Shroud - A shroud assembly and method for assembling such shroud assembly for a vehicle are disclosed. The shroud may comprise a collar joined to a nose cap. The shroud assembly may comprise the collar, the nose cap, and meshed ring and pinion gears. The collar may define at least one port and the nose cap may define an aperture. These allow lubricating fluid to escape outside of the shroud and thus be removed from the immediate vicinity of the rotating ring and pinion gears. | 09-20-2012 |
20130116080 | VEHICLE DIFFERENTIAL GEAR - It is an object to provide a vehicle differential gear reducing, as compared with the prior art, the magnitude of the inertial force of the drive shafts upon the hitting of the side gears on the differential case to thereby prevent the drive shafts from disengaging from the side gears. | 05-09-2013 |
20130165290 | DIFFERENTIAL FOR MOTOR VEHICLES - In a differential for motor vehicles, comprising a tubular differential housing ( | 06-27-2013 |
20130225356 | DIFFERENTIAL AND DIFFERENTIAL ASSEMBLY METHOD - A differential includes a pinion shaft holder, a differential case, a first side gear, a second side gear, a first spring and a second spring. The differential case includes a first side boss portion and a second side boss portion. The first spring is interposed between the first side boss portion and the first side gear. The second spring is interposed between the second side boss portion and the second side gear. A recessed portion is provided on the pinion shaft holder and is configured to avoid interference with an auxiliary tool. The auxiliary tool maintains one of the first spring and the second spring in the compressed state. | 08-29-2013 |
20130237363 | BEVEL GEAR AND DIFFERENTIAL DEVICE THEREWITH - A bevel gear used in a differential device for a vehicle is comprised of: a body having an axis, a conical pitch surface around the axis, an opposite surface opposed to the conical pitch surface, and a side surface around the axis; gear teeth formed on the pitch surface, each of the gear teeth having a top land projecting from the pitch surface; and clutch teeth formed on the opposite surface, each of the clutch teeth having a bottom land standing back from the opposite surface, each of the bottom lands of the clutch teeth being aligned with any of the top lands of the gear teeth in a line parallel to the axis. | 09-12-2013 |
20130281252 | Differential Gear - A differential gear is provided in which the differential includes a drive gear, at least two axle gears, at least two compensating gears and a single-piece connecting element. The drive gear at least partially encloses an interior space in which the connecting element is arranged, thereby providing a compact, strong differential without use of a differential cage. | 10-24-2013 |
20140045638 | DIFFERENTIAL CASE ASSEMBLY WITH DRIVE RING GEAR - A differential case assembly, which has a case shoulder and a case outside diameter, is attached to a drive ring gear, which has a gear shoulder and a gear inside diameter. Attachment of the differential case assembly to the drive ring gear is by way of pressing the case outside diameter into intimate contact with the drive ring gear inside diameter around the circumference of the diameters, until the case shoulder comes into intimate mating contact with the gear shoulder, at a joint radius. In addition, hardened dowel pins are tightly fit into joint voids that are formed along the joint radius. The hardened dowel pins are capable of supporting an operational torsional load and the mating shoulders are capable of supporting an operational axial load. | 02-13-2014 |
20140179483 | FORWARD CARRIER ASSEMBLY WITH A REVERSIBLE INTER-AXLE DIFFERENTIAL FOR A TANDEM AXLE VEHICLE, A POWERTRAIN FOR A TANDEM AXLE VEHICLE, AND A TANDEM AXLE VEHICLE - A tandem axle vehicle includes a powertrain. The powertrain includes an input shaft, a forward drive axle assembly including a forward carrier assembly including a forward differential, and a rear drive axle assembly coupled to the forward drive axle assembly via a connecting driveshaft and including a rear carrier assembly including a rear differential. The forward carrier assembly includes an inter-axle differential (IAD), the IAD including an IAD housing, a differential spider including a plurality of legs attached to the IAD housing and a plurality of spider gears mounted on the legs, a first side gear engaged with the spider gears on a first side of the spider and arranged to drive a shaft for driving the driveshaft, and a second side gear engaged with the spider gears on a second side of the spider and arranged to drive the forward differential. A clutch is movable between an unlocked position, the clutch rotationally coupling the input shaft and the IAD housing when in the unlocked position, and a reverse position, the input shaft being rotationally decoupled from the IAD housing when the clutch is in the reverse position. | 06-26-2014 |
20140221147 | DIFFERENTIAL BEVEL GEAR SPEED REDUCER - The present invention relates to a high speed reduction power transfer device. The differential planetary speed reducer currently in use uses modified teeth gear, which makes precision processing difficult, causes many problems associated with noise during operation, wear by friction, reduced efficiency, etc. and reduces durability. | 08-07-2014 |
20140274541 | Axle Assembly Having An Angular Contact Bearing That Supports A Ring Gear For Rotation On An Axle Housing - An axle assembly that includes a housing, an input pinion, a ring gear, an angular contact bearing, and a differential assembly. The input pinion has a plurality of pinion teeth and is received in the housing for rotation about a first axis. The ring gear, which is received in the housing, is a bevel gear having ring gear teeth that define a pitch angle and are meshingly engaged with the pinion teeth. The angular contact bearing supports the ring gear for rotation on the housing about a second axis that is transverse to the first axis. The angular contact bearing has a first race, which is integrally formed into the ring gear, a second race, and a plurality of bearing balls disposed between the first and second races. The differential assembly has a differential case that is mounted to the ring gear for rotation therewith. | 09-18-2014 |
20140302961 | Axle Assembly - An axle assembly having an axle housing, an input pinion, a ring gear, a ring gear bearing, a differential assembly and a pair of axle shafts. The input pinion is mounted to the axle housing for rotation about a first axis. The ring gear is received in the axle housing and meshed with the input pinion. The ring gear bearing supports the ring gear on the axle housing for rotation about a second axis. The ring gear bearing has a bearing race, which is integrally formed with the ring gear, and a plurality of first bearing element that contact the first bearing race. The differential assembly has a differential case, which is coupled to the ring gear for rotation therewith, and a pair of output members. Each axle shaft being coupled for rotation with a corresponding one of the output members. | 10-09-2014 |
20150024897 | TORQUE TRANSMITTING ASSEMBLY - A torque transmitting assembly, such as a differential, including a tubular housing having a polygonal cross-section including a plurality of angularly related surfaces and a torque transmitting member within the housing having flat surfaces engaging the flat surfaces of the housing, such that torque is transmitted through the housing. In a differential, the torque transmitting member includes annular side gears having a plurality of annular teeth and annular pinion gears including gear teeth meshing with the gear teeth of the side gears. | 01-22-2015 |
20150038278 | COMPACT DIFFERENTIAL GEAR MECHANISM HAVING A DENSELY PACKED PINION BEVEL GEAR ARRAY - A compact bevel differential gear mechanism with pinion bevel gears arranged in a tightly packed array is disclosed. The compact bevel differential gear mechanism includes first and second side bevel gears that are co-axially aligned along an axis of rotation. The compact bevel differential gear mechanism also includes an array of pinion bevel gears mounted between the first and second side bevel gears. The pinion bevel gears intermesh with the first and second side bevel gears to form a torque transfer arrangement configured for transferring torque between the pinion bevel gears and the first and second side bevel gears and for allowing the first and second side bevel gears to rotate at different rotational speeds with respect to one another. Each of the pinion bevel gears has an actual gear face angle value that is within +/−10 percent of a target gear face angle value. The target gear face angle value is equal to 360 degrees divided by twice the total number of pinion bevel gears provided in the array of pinion bevel gears. | 02-05-2015 |
20150094183 | LOW PROFILE VEHICLE AXLE - An axle assembly includes first and second spiral bevel gears meshing with a pinion, a gearset including a sun gear secured to the first bevel gear, a ring gear secured to the second bevel gear, and planet pinions supported on a carrier and meshing with the sun gear and ring gear, and a differential including an input secured to the carrier, and first and second outputs secured, respectively to first and second output shafts. | 04-02-2015 |
20150099602 | Differential Gear for a Motor Vehicle - A motor vehicle differential gear has at least one housing part as a first gear part, and a crown wheel as a second gear part. The first and second gear parts are connected via respective first connection surfaces running in the axial direction by a press fit, and via respective second connection surfaces running at an angle to the axial direction, forming a welding seam. One of the gear parts is formed from a steel and the other gear part from a cast iron material, as well as such a differential gear in which the second connection surfaces connect directly to the first connection surfaces. | 04-09-2015 |
20150141194 | DIFFERENTIAL HAVING LIGHT WEIGHT BEVEL GEARING - A differential for use in a vehicle drive train having a pair of rotary members including a gear case that is operatively supported in driven relationship with respect to the drive train and a pair of side gears mounted for rotation with a respective one of the rotary members in the gear case. The differential also includes a spider mounted for rotation with the gear case and at least one pair of pinion gears mounted for rotation with the spider and in meshing relationship with the side gears. The side gears have concave teeth flanks and the pinion gears have convex teeth flanks to increase power density through the differential. | 05-21-2015 |
20150330494 | Differential Assembly Having a Link Shaft - A differential assembly having at least one link shaft that may be disposed in a case between a first gear and a second gear. The link shaft may have a bend portion that may not be coaxially disposed with first and second end portions of the link shaft. A pinion gear may engage the first and second gears may be rotatably disposed on the link shaft. | 11-19-2015 |
20150337936 | DIFFERENTIAL ASSEMBLY - A differential assembly having a link that may extend from a first flange member to a second flange member. A pinion gear may be rotatably disposed on a pin that may be provided with the link. | 11-26-2015 |
20150362055 | BEVEL GEAR WHEEL DIFFERENTIAL FOR A MOTOR VEHICLE - A bevel gear differential including an external gear, a differential cage rigidly connected to the external gear by means of at least one connecting region, at least one web region of the differential cage on which a compensating gear is disposed, an axis of rotation of the compensating gear, an axial compensation direction defined by the axis of rotation of the compensating gear, and at least one angular compensation region of at least +/−20 degrees about the axial compensation direction and arranged in a plane perpendicular to the axial compensation direction, wherein the at least one angular compensation region is freed from the at least one connecting region. | 12-17-2015 |
20160009136 | AXLE ASSEMBLY WITH CARRIER HOUSING HAVING INCREASED STRENGTH AND REDUCED MASS | 01-14-2016 |
20160053880 | VEHICLE DIFFERENTIAL DISCONNECT ASSEMBLY - A vehicle differential disconnect assembly can include a differential case, a differential gear set, and a torque distribution device. The differential gear set is carried within the differential case. The torque distribution device transfers torque between the differential gear set and side shafts of the accompanying vehicle driveline. The torque distribution device can include a clutch pack and an actuator assembly. The clutch pack is located at a first side of the differential case relative to the differential gear set, and the actuator assembly is located at a second side of the differential case relative to the differential gear set. The actuator assembly has a mover that transmits movement to the clutch pack when the actuator assembly actuates and deactuates the clutch pack. | 02-25-2016 |
20160116047 | DIFFERENTIAL DEVICE AND METHOD OF MANUFACTURING THE SAME - In a differential device distributively transmitting rotational force of an input member rotatable together with a pinion support portion to paired output shafts via paired side gears, the support portion is connected to and supported by the input member with high strength without specially forming a through-hole for supporting a pinion in the input member, and without worsening assembly workability. The differential device includes: an attachment body having a retaining hole capable of being fitted and retaining an entire periphery of the pinion support portion; an attachment groove formed in the input member and having an opening opened to one side surface of the input member and from which the attachment body is insertable into the groove; and a cover portion clamping the attachment body inserted into the groove between the cover portion and an inner surface of the groove and fixing the attachment body to the input member. | 04-28-2016 |
20160123449 | DIFFERENTIAL DEVICE - In a differential device, paired side gears include shaft portions and intermediate wall portions formed in a flat plate shape intersecting an axis of the output shafts, the intermediate wall portions integrally connecting the shaft portions to toothing portions of the side gears separated outward from the shaft portions in a radial direction of an input member, respectively. Each of the intermediate wall portions is formed with a width in the radial direction which is longer than a maximum diameter of a pinion. A cover portion includes a boss portion and a side wall portion connected to the boss portion and having an outer side surface as a surface orthogonal to the axis of the output shafts. A back surface of at least one of the intermediate wall portion and the toothing portion is supported on an inner side surface of the side wall portion. | 05-05-2016 |
20160160983 | DIFFERENTIAL DEVICE - In a differential device distributing rotational force acting on a differential case to a pair of output shafts, the differential case including an input member and a cover portion, assembling precision of the differential device is enhanced by suppressing strain due to welding and press-fitting. The input member includes: a welded portion fitting the cover portion in axial direction and joined by welding; a press-fitted portion located inward of the welded portion in radial direction and axial direction and press-fitted to the cover portion; and a connecting surface connecting the welded portion and the press-fitted portion and forming a space between the connecting surface and the cover portion; the space allowing deformation of the press-fitted portion during press-fitting. The connecting surface includes one end portion continuous to the welded portion and extending outward from the welded portion in radial direction. | 06-09-2016 |
20160169360 | DIFFERENTIAL DEVICE | 06-16-2016 |
20160377161 | DIFFERENTIAL GEAR ASSEMBLY - A differential gear assembly, in particular for a motor vehicle, includes a gearwheel, driven by a pinion and arranged on a differential case that is rotatably mounted in a gearbox case via rolling-contact bearings on both sides. Planet gears are supported in the differential case on at least one driving pin and meshing with axis-parallel output gears on output half-shafts. The gearwheel is attached to the differential case without form fit in circumferential direction and has recesses into which the at least one driving pin formfittingly projects in circumferential direction. | 12-29-2016 |
20180023677 | CROSS-SHAFT FOR THREE PINION DIFFERENTIAL | 01-25-2018 |
20220136595 | DRIVE UNIT ASSEMBLY - A drive unit assembly including a differential assembly. The differential assembly includes a ring gear including an annular flange portion having an inner face and a differential case having an inner face configured to cooperate with the inner face of the annular flange portion of the ring gear. The differential case is configured to receive a spider therein, wherein the spider includes a main body including center bore formed therein, and wherein the center bore is configured to receive at least one output shaft therethrough. | 05-05-2022 |