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DIFFERENTIAL PLANETARY GEARING

Subclass of:

475 - Planetary gear transmission systems or components

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
475230000 Bevel gear differential 136
475221000 Differential or nondifferential planetary combined with differential (e.g., two differentials) 34
475248000 Spur gear differential 32
475223000 Including means to selectively apply rotational power to only one output 22
475225000 With additional gearset between differential output and load 11
475226000 Planet pinion is worm gear 9
475228000 Worm drive on input shaft 4
20120220416TRANSFER SHAFT SUPPORT - An assembly includes first and second components, a shaft supported on the components, a gear wheel transmitting torque between a transmission output and a differential mechanism, and a bearing supporting the gear wheel on the shaft, transmitting axial force in a first direction between the gear wheel and the first component, and axial force in a second axial direction opposite the first direction between the gear wheel and the second component.08-30-2012
20120220417TRANSFER SHAFT SUPPORT - A drive assembly for a vehicle includes a shaft supported on first and second components, a gear wheel for transmitting torque, and a bearing supporting the gear wheel on the shaft, transmitting axial force in a first axial direction between the gear wheel and the first component, and transmitting axial force in a second direction opposite the first direction between the gear wheel and the second component.08-30-2012
20100081535PARALLEL-AXIS HELICAL DIFFERENTIAL ASSEMBLY - A differential assembly with a case assembly, a plurality of first and second shoes, a plurality of first and second helical pinions, and first and second side gears. The case assembly defines first and second apertures and includes a case body and a case cap. The first and second shoes are integrally formed with the case body and the case cover, respectively. The first pinions are meshingly engaged to the first side gear and have pin portions that are received into the first apertures. The second pinions are meshingly engaged to the second side gear and have pin portions that are received into the second apertures. The first and second helical pinions frictionally engage an interior wall surface of the case body in response to a reaction force generated by meshing engagement with the first and second side gears, respectively, to limit differential motion between the first and second side gears.04-01-2010
20150306909AXLE ASSEMBLY HAVING DIFFERENTIAL ASSEMBLY WITH INVERTED DIFFERENTIAL BEARINGS - An axle assembly having a carrier housing, a pair of axle tubes, a differential case, a pair of differential bearings and a pair of bearing adjusters. The carrier housing includes a cavity, which is configured to receive the differential case, and a pair of axle tubes that are mounted to the carrier housing. The differential case includes bearing bores into which the outer races of the differential bearings are received. The bearing adjusters are threaded to the carrier housing and support the differential bearings on a side opposite the differential case.10-29-2015
Entries
DocumentTitleDate
20080227581Axle housing with differential bearing support - An axle assembly for a motor vehicle comprises an axle housing having a central axis and first and second openings formed through the axle housing opposite to each other, a carrier with a differential bearing support supporting a differential thereon for rotation about the central axis, and an abutment member attached to the axle housing adjacent to the first opening to extend substantially in a direction of the central axis. The carrier is fastened to the axle housing adjacent to the second opening therein. The abutment member engages the differential bearing support and absorbs a gear separating force imparted in operation by the differential and transmitted to the differential bearing support. Thus, the abutment member restrains deflection of the differential bearing support relative to the axle housing resulting from the gear separating force.09-18-2008
20080305910Dual-Pilot Axle Assembly for an Automotive Vehicle Driveline - A differential and axle assembly for an automotive vehicle driveline is disclosed. The assembly includes a differential drive pinion and a drive pinion shaft, the drive pinion shaft being splined to a drive pinion shaft flange. Axial and radial dimensional runout is minimized by spaced, front and rear pilot surfaces at axially spaced ends of the splines for the drive pinion shaft and the drive pinion flange.12-11-2008
20090156350DRIVE SYSTEM FOR DUAL WHEELS, PARTICULARLY OF THE TYPE USED ON ROAD ROLLERS - A drive system for dual wheels of road rollers. The drive system is characterized by having a substantially T-shaped main structure housing a drive shaft substantially perpendicular to two drive and reduction devices. And each of the two devices is associated with a respective dual wheel.06-18-2009
20090258749VIBRATION 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.10-15-2009
20090291798PLANETARY CARRIER, PLANETARY GEAR MECHANISM, AND VEHICLE DIFFERENTIAL PROVIDED WITH THE SAME - A planetary carrier, formed of a cylindrical body, that receives a drive torque from a drive power source and differentially distributes the drive torque to a pair of output shafts, the planetary carrier including a gear holding portion that rotatably holds a planetary gear having two large and small gear portions, of which pitch circle diameters differ from each other. The gear holding portion has a first supporting surface that slidably supports tooth tip surfaces of the gear portion, of which the pitch circle diameter is larger, on a portion except on the radially inner side with respect to the carrier, and a second supporting surface that slidably supports tooth tip surfaces of the gear portion, of which the pitch circle diameter is smaller, on a portion except on the radially outer side with respect to the carrier.11-26-2009
20090305834DIFFERENTIAL APPARATUS FOR VEHICLE - It is an object of the present invention to provide a differential apparatus for a vehicle obtaining efficiently differential restricting force necessary and enough for a stable running performance and reducing the total cost and the total length of the apparatus.12-10-2009
20090325754DIFFERENTIAL GEAR DEVICE FOR VEHICLE - A differential gear device for a vehicle capable of improving durability without causing vibration and noise is provided. At least a part of a supporting portion 12-31-2009
20100075795CROWN GEAR AND DIFFERENTIAL ASSEMBLY WITH A CROWN GEAR - The invention relates to a crown gear (03-25-2010
20100075796Differential Gear for Vehicles, in Particular for Four Wheel Drive Vehicles - A differential gear includes a drive, in particular a bevel drive pinion, a left output shaft and a right output shaft, a rotatably mounted basket, which is driven by the drive, and which is coupled with the left output shaft by a left superposition gear and with the right output shaft by a right superposition gear, a double planetary gear set, which exhibits an internal geared wheel, which is mounted on the basket, as well as radially outer planet gears, which mesh with the internal geared wheel, radially inner planet gears, which mesh with the radially outer planet gears and with a gearwheel, which is connected to a first of the two output shafts, and a planet carrier, on which the radially inner and the radially outer planet gears are mounted. The planet carrier can be coupled with the second of the two output shafts by way of a clutch.03-25-2010
20100222175FRICTION COUPLING WITH ACTUATOR AND A BALL BEARING - A friction coupling assembly includes: an actuator in the form of a ball ramp assembly, a plate package, and a ball bearing. The actuator has two coaxial discs, wherein the faces of the two discs each have ball grooves of increasing depth. Pairs of opposed ball grooves hold balls to axially support the two discs. The plate package is arranged coaxially relative to the discs and has outer plates for fixing to a coupling carrier and inner plates for fixing to a coupling hub. The ball bearing is for axially supporting the at least one rotatingly drivable disc, wherein a first bearing race of the ball bearing is integrally formed with the at least one rotatingly drivable disc.09-02-2010
20100240486CONTROLLED DIFFERENTIAL ACTUATOR - A controlled differential actuator particularly adapted for differential applications for motor vehicle powertrains. The differential operator incorporates an electromagnetically applied first or primary clutch coupled to a second multi-disc clutch pack through a ball ramp operator. Energization of the solenoid coil selectively applies the main clutch pack which is coupled to a differential carrier and one of the axle half shafts connected with the differential assembly. Modulation of current applied to the solenoid coil allows a selective frictional coupling between the differential axle half shafts which provides desirable traction features for the associated motor vehicle.09-23-2010
20100240487VEHICLE DIFFERENTIAL UNIT - In a vehicle differential unit according to an embodiment of the invention, a planetary carrier that is a rotatable member that rotatably supports planetary gears is formed of cylindrical members that are unable to rotate relative to each other on the rotational axis of a pair of output shafts. The vehicle differential unit has a thrust force generation portion that receives a driving force from a drive source of a vehicle and generates a thrust force along the direction of the rotational axis of the pair of output shafts, and a relative movement limiting portion that limits a relative movement between the cylindrical members along the axial direction due to the thrust force when the vehicle is in the drive mode.09-23-2010
20100267511Differential - A differential comprising at least one drive wheel, at least two axle wheels, at least one compensating wheel and at least one connecting element, wherein the connecting element experiences at least a first torque at least from the drive wheel, and wherein the connecting element transmits at least a second torque to at least one of the at least two axle wheels. The drive wheel is constructed such that the drive wheel at least partially surrounds at least one inner chamber; the connecting element is arranged at least partially inside the inner chamber that is at least partially surrounded by the drive wheel, and the connecting element is constructed in one piece.10-21-2010
20100279813VARIABLE RATIO TRANSMISSION - A variable ratio transmission is described having an infinitely variable ratio, for enabling or tidal turbine (11-04-2010
20100285917DIFFERENTIAL GEAR - A transmission has a rotatable differential cage (11-11-2010
20100317480FACE GEAR DIFFERENTIALS INCORPORATING A TORQUE RING - A gear set is provided including a side gear comprising a helical face gear with at least one helical tooth and a helical pinion. The helical pinion may have at least one helical tooth and may have an apex angle that is less than about 20°. The helical pinion may be configured for meshing engagement with the side gear. A differential may also be provided. The differential comprises a differential case and a gear set. The differential may further include a torque ring configured to support the helical pinion.12-16-2010
20100323840GEAR SET FOR DIFFERENTIAL - A differential includes a side gear comprising a helical face gear; a helical pinion configured for meshing engagement with the side gear; a pinion housing configured to house the helical pinion; and a first support member configured to support the helical pinion. The side gear rotates around a differential axis. The helical pinion has a first end and a second end opposing the first end. The pinion housing comprises a generally annular ring and includes an outer radial surface; an inner radial surface; and an aperture extending radially inwardly from the outer radial surface. The first support member is disposed radially inwardly relative to the inner radial surface of the pinion housing. In some embodiments, the differential further includes a second support member configured to support the helical pinion. The second support member is disposed radially outwardly relative to the outer radial surface of the pinion housing.12-23-2010
20100323841DIFFERENTIAL CARRIER CONSISTING OF HALF-SHELLS AND A PROCESS OF PRODUCING A DIFFERENTIAL CARRIER - A differential carrier with an axis of rotation A around which the differential carrier can be rotatably supported in a differential housing is disclosed. The differential carrier comprises a first half-shell and a second half-shell. Each half-shell comprises a central carrier portion and two outer bearing portions. The two half-shells are connected to one another in the region of their bearing portions. A differential assembly which comprises such a differential carrier is also disclosed.12-23-2010
20110003661PLANETARY WHEEL END ASSEMBLY - A planetary wheel end assembly includes an axle shaft having an inboard end and an outboard end and a planetary gear assembly that receives driving input from the axle shaft. The planetary gear assembly includes a sun gear that is fixed for rotation with the axle shaft, a plurality of planet gears that are in meshing engagement with the sun gear, a non-rotating ring gear that is in meshing engagement with the planet gears, and a planetary spider that supports the plurality of planet gears. The planetary spider provides driving output to rotate a wheel component. The sun gear includes a sun gear body having a plurality of sun gear teeth in meshing engagement with the planet gears and a plurality of splines that are coupled with mating splines on the axle shaft. The plurality of splines are axially inboard of the plurality of sun gear teeth.01-06-2011
20110015025PRE-LOAD MECHANISM FOR HELICAL GEAR DIFFERENTIAL - A differential assembly for a vehicle includes a differential casing rotatable about an axis. The differential casing defines a cavity. A pair of side gears is disposed within the differential casing cavity. First and second pairs of pinion gears are rotatably positioned in the cavity in driving engagement with the side gears. A thrust block has circumferentially spaced apart recesses. Rotation of the thrust block is restricted by the first and second pairs of pinion gears being in communication with the recesses. A spring biases the thrust block into engagement with one of the side gears.01-20-2011
20110015026LOCKING DIFFERENTIAL HAVING A SPLIT-CENTER DRIVER - A locking differential includes a housing with an interior chamber in which a two-piece split-center driver is located. The split-center driver is positioned on opposite sides of a cross-pin assembly. A pair of axially spaced output shafts extend from the interior chamber and are coupled to a pair of side gears. The split-center driver gear and a centered cam member are arranged co-axially about the adjacent ends of the output shafts, and annular clutch members are operable to disconnect an overrunning output shaft01-20-2011
20110028260POWER TRANSMISSION DEVICE AND POWER TRANSMISSION SYSTEM - A power transmission device includes a planetary gear set and a first and a second connecting mechanism. The planetary gear set receives power from a power source and outputs it to a power-driven member. The first connecting mechanism connects a first and a second rotor of the planetary gear set through a separate path. The second connecting mechanism connects the second rotor and a third rotor of the planetary gear set through a separate path. The controller is operable selectively in a first operation mode in which the second connecting mechanism is engaged, while the first connecting mechanism is disengaged and a second operation mode in which the second connecting mechanism is engaged, while the first connecting mechanism is disengaged. This ensures suitable mechanical connections among the power source, the power-driven member, and the power split mechanism which match with an operating condition of the power transmission device.02-03-2011
20110039652AWD Vehicle with Active Disconnect Coupling Having Multi-stage Ball Ramp - A vehicle drive train includes a first power disconnection device and a first driveline for transferring torque to a first set of wheels. A second driveline for transferring torque to a second set of wheels includes a differential gearset having an output coupled to a second power disconnection device. A hypoid gearset is positioned within the second driveline in a power path between the first and second power disconnection devices. The second power disconnection device includes a clutch having a first set of clutch plates fixed for rotation with the differential gearset output. The clutch further includes a second set of clutch plates fixed for rotation with a shaft adapted to transfer torque to one of the wheels of the second set of wheels. A valve limits a flow of coolant to the clutch when the second power disconnection device operates in a disconnected mode.02-17-2011
20110130239DIFFERENTIAL GEAR FOR VEHICLE AND VEHICLE - A diff case is attached to a side face of a ring gear wheel on the opposite side to the side on which the ring gear wheel and a pinion gear wheel mesh with each other. The ring gear wheel integrally has a boss portion, in which a driven shaft is fitted, on the meshing side with the pinion gear wheel. An annular member slidably movable in an axial direction thereof is provided on the boss portion with a guide portion for guiding the annular member. A lock pin is provided on the annular member for inserting into pin holes formed in the ring gear wheel and a left output side cam to place the differential mechanism into a locked state. A sliding region within which the annular member slidably moves is disposed so as to be included in a projection region of the diameter of the pinion gear wheel06-02-2011
20110136611DIFFERENTIAL LOCK WITH ASSISTED RETURN - A differential lock mechanism includes a shift member and a shift collar that is moveable by the shift member between an engaged position with a differential assembly and a disengaged position. A pneumatic control provides a first pneumatic signal to move the shift collar into the engaged position and provides a second pneumatic signal to return the shift collar to the disengaged position.06-09-2011
20110136612AXLE ASSEMBLY METHOD - A torque transmitting component that includes a hollow adjuster that is employed to preload and/or position a bearing that supports a differential assembly relative to a housing. One of the housing and the adjuster includes a first engagement feature and the other one of the housing and the adjuster includes a second engagement feature. A retaining member is press-fit to the first engagement feature and is non-rotatably coupled to the second engagement feature to inhibit rotation of the adjuster relative to the housing. A method is also provided.06-09-2011
20110143878COUPLING ASSEMBLY AND DRIVELINE ASSEMBLY FOR A MOTOR VEHICLE WITH MULTIPLE DRIVEN AXLES - A coupling assembly for optionally connecting a driving axle in a motor vehicle having multiple driving axles is disclosed. The coupling assembly comprises an externally controllable friction coupling with a coupling input part and an output part. The input part is rotatingly drivable around an axis of rotation A. A differential drive with an input element and two output elements which are drivingly connected to the input element, are also included. The input element of the differential drive is arranged coaxially relative to the coupling output part and drivably connected to the coupling output part for the purpose of transmitting torque. A driveline assembly having such a coupling assembly is also disclosed.06-16-2011
20110160016SPACE-SAVING TRANSMISSION ARRANGEMENT - A differential gearbox including a disk on the input side, a first drive part that is non-rotatably connected to a first driven axle, and a second drive part that is non-rotatably connected to a second driven axle. A planetary gear arrangement is provided between the first drive part and the second drive part for transmitting torque from the disk on the input side to the first drive part and the second drive part. The first drive part is a first drive disk and includes a concavity radially outwardly of the first driven axle. The second drive part is a second drive disk extending radially outwardly of the second driven axle. The concavity is directed away from the second drive disk. The planetary gear arrangement is disposed in a space that is formed by the concavity of the first drive disk and the opposing region of the second drive disk.06-30-2011
20110165989LOCKING POWER TRANSMITTING DEVICE - A power transmitting device that includes a dog ring and a thrust plate. The dog ring is formed of metal and has a plurality of locking features and a set of dog teeth. The locking features are spaced apart around the dog ring and extend in a radial direction. The dog teeth extend in an axial direction. The thrust plate is formed of a polymer and is cohesively bonded to the dog ring07-07-2011
20110183803TRANSMISSION ARRANGEMENT FOR A MOTOR VEHICLE - A transmission arrangement is provided for a motor vehicle that includes, but is not limited to a first gear wheel, a first shaft, and a first shaft-like connecting element. The first shaft-like connecting element includes, but is not limited to a first end portion and a second end portion. The first shaft-like connecting element is connected with its first end portion to the first gear wheel and with its second end portion to the first shaft. The first shaft-like connecting element is connected with its first end portion to the first gear wheel via a first plug connection. The first plug connection is secured by means of a first retaining element provided on the circumferential surface of the first shaft-like connecting element.07-28-2011
20110183804Axle Drive - An axle drive, includes an axle drive housing, a differential gear cage, and a left and a right roller bearing, by which the differential gear cage is mounted in a rotatable manner in the axle drive housing. The differential gear cage has a left and a right bearing seat for the left or the right roller bearing. The left and the right bearing seat is formed in each case by a separate component, which is different from the differential gear cage.07-28-2011
20110201471Epicyclic Joint - The various embodiments disclosed and pictured herein are directed to an epicyclic joint with at least one axis of rotation. The epicyclic joint includes rotational members mounted to frame members in such a manner that rotational energy may be transposed along multiple axes of rotation without the need for the frame members to rotate. Epicyclic gear sets and compensation gears and shafts are employed to mitigate vibration, stress, and perturbation of the rotating members when the orientation of the epicyclic joint is varied along any of the axes of rotation. Planetary gear sets or differential gear sets may be used with the epicyclic joint, as may spur gears and miter gears.08-18-2011
20110218073MOTORCYCLE AXLE ASSEMBLY - An axle assembly for a motorcycle having a plurality of drive wheels. The axle assembly is configured to permit a user to replace an endless power-transmitting element without substantially disassembling the axle housing assembly. A method for forming the axle assembly and a method for replacing an endless power-transmitting element are also provided.09-08-2011
20110230300DIFFERENTIAL OUTPUT CONTROL - Technologies relating to differential output control are disclosed. A differential output control apparatus may be coupled between a rotating device output and a controlled rotating output. The differential output control apparatus may comprise an adjustable mechanical link coupling two linked differential inputs, and configured to adjust a relative rotation speed or relative torque of the linked differential inputs. The differential output control apparatus may receive the rotating device output and adjust the adjustable mechanical link to control the rotation speed and/or torque of the controlled rotating output.09-22-2011
20110263374FLOW-FORMED DIFFERENTIAL CASE ASSEMBLY - A differential case assembly includes a differential case having an open end and a side wall with an interior surface. A plurality of major internal splines is formed on the interior surface of the side wall, The differential case assembly further includes a gear assembly with a retainer insert and a cross pin. The retainer insert is disposed adjacent the interior surface of the side wall between a pair of the major internal splines. The retainer insert has a hole formed therein. The cross pin has an end received in the hole of the retainer insert. The gear assembly is thereby aligned within the differential case.10-27-2011
20110269595CONTROL STRATEGY FOR OPERATING A LOCKING DIFFERENTIAL - A drive train having a locking differential and a control unit for controlling operation of the locking differential. The control unit is responsive to selected vehicle characteristics to sua sponte activate or inactivate a locking mechanism of the locking differential to cause the locking differential to operate in a locked manner or an unlocked manner, respectively. A method for operating a locking differential is also provided. The method includes: utilizing only preselected vehicle criteria indicative of the operational state of the vehicle to identify a situation in which a locking mechanism associated with the locking differential is to be energized; and responsively energizing the locking mechanism.11-03-2011
20110306458MULTI-SPEED TRANSMISSION - A multi-speed transmission includes a first input shaft, a second input shaft, a first friction engagement mechanism, a second friction engagement mechanism, a first synchromesh mechanism, a second synchromesh mechanism, and a third friction engagement mechanism. A differential mechanism includes a first rotational element, a second rotational element, and a third rotational element. The first rotational element is coupled to a first countershaft. The second rotational element is coupled to a second countershaft. The third rotational element is coupled to an output member. A third synchromesh mechanism is capable of coupling a driving gear of a first gear train to the first input shaft or is capable of coupling a driven gear of the first gear train to the output member so as to enable power to be transferred between the first input shaft and the output member using the first gear train.12-15-2011
20110319220DIFFERENTIAL DEVICE - A differential device has a differential case that houses a gear group, and a ring gear that is disposed fitted to the differential case. The differential case and the ring gear are supported rotatably about a drive shaft. The ring gear is made up of a helical gear. The ring gear abuts the differential case in the axial direction of the drive shaft. The ring gear and the differential case are welded at an abutting portion of the ring gear and the differential case in the axial direction of the drive shaft.12-29-2011
20120021863HYPOID GEAR SET FOR DRIVE AXLE - A hypoid gear set for a vehicle drivetrain includes a pinion gear in meshing engagement with a ring gear. The hypoid gear set has a negative pinion offset. The hypoid pinion and ring gears provide a predetermined gear ratio that can be varied up to a fifty percent faster ratio within a single carrier packaging envelope defined by a maximum ring gear diameter.01-26-2012
20120040795METHOD FOR REMOVING OR INSTALLING ENDLESS POWER TRANSMITTING ELEMENT ON A MOTORCYCLE ASSEMBLY - An axle assembly for a motorcycle having a plurality of drive wheels. The axle assembly is configured to permit a user to replace an endless power-transmitting element without substantially disassembling the axle housing assembly. A method for forming the axle assembly and a method for replacing an endless power-transmitting element are also provided.02-16-2012
20120094798WELDED STRUCTURE AND WELDING METHOD - Disclosed are a welded structure and a welding method which make it possible to improve welding strength and welding quality. A welded structure in which a first member and a second member are joined by means of welding, wherein the first member comprises a second-member joining part which is joined to the second member, and the second member comprises a first-member joining part which is joined to the first member. If the direction in which the first member and the second member are arranged is the first direction, and the direction intersecting the first direction is the second direction, the welded structure comprises a cavity part which is provided between the first-member joining part and the second-member joining part, and a welded part which is provided between the cavity part and both end parts in the second direction of the joining surface where the first-member joining part and the second-member joining part are joined.04-19-2012
20120202636Halfshaft-Differential Disconnect Mechanism - An assembly selectively disconnecting a road wheel from a power source, includes a differential mechanism transmitting rotating power between the power source and an output shaft, a halfshaft, and a disconnect mechanism releasably secured mechanically to the differential mechanism and alternately opening and closing a drive connection between the output shaft and the halfshaft.08-09-2012
20120220415Final Drive Mechanism for a Transmission - A final drive mechanism includes a pinion, a gear meshing with the pinion, a differential mechanism, and a first gearset including an input driveably connected to the gear, and an output driveably connected to the differential, rotating slower than a speed of the gear, and rotating in a direction opposite the direction of the gear.08-30-2012
20120238393CARRIER ASSEMBLY WITH THREADED ADJUSTMENT MEMBER - A carrier assembly includes an adjustment member with a threaded attachment surface that is threadably attached to a mating threaded surface of a housing. The threaded attachment surface is formed on the adjustment member between first and second pilot surfaces, which allows the adjustment member to be selectively rotated to adjust a position of the adjustment member relative to the housing to set a desired carrier characteristic without requiring shims or spacers. The adjustment member also includes a splined outer surface that engages a splined lock member to lock the adjustment member to the housing once the desired carrier characteristic has been set.09-20-2012
20120244986DIFFERENTIAL APPARATUS - A differential apparatus (09-27-2012
20120252624DIFFERENTIAL ASSEMBLY - A differential assembly having a gearset, which has first and second side gears and a plurality of pinion sets, and a case assembly. Each pinion set has a first pinion meshingly engaged to the first side gear, and a second pinion meshingly engaged to both the second side gear and the first pinion gear. The case assembly has a case structure, a case cover and a gearset mount. The case structure defines a cavity into which the gearset mount is received. The gearset mount defines a plurality of first pinion bores into which the first pinions are received, a plurality of second pinion bores into which the second pinions are received and a side gear pocket into which the first side gear is received. The gearset mount is fixedly and non-rotatably coupled to the case cover. The case cover is separately coupled to the case structure.10-04-2012
20120264558THREE-END SHAFT TYPE DIFFERENTIAL GEAR SET WITH CONTROLLABLE ROTATING DIRECTION AND BRAKE - The present invention relates to a speed variable system, and in the first input rotating direction, it is capable of controlling the output shaft to output in normal and reverse rotating directions, and the input shaft is in different speed ratios to the output shaft with respect to the normal and reverse rotation directions.10-18-2012
20120264559CONNECTING ASSEMBLY AND METHOD OF PRODUCING A CONNECTING ASSEMBLY - The disclosure relates to a connecting assembly, more particularly for being used in the driveline of a motor vehicle. The connecting assembly comprises a housing and a driving gear. The housing comprises a first housing part with a first flange portion and a second housing part with a second flange portion. The driving gear comprises a receiving portion for receiving the housing and a supporting face which laterally delimits the receiving portion, wherein the first flange portion of the first housing part is axially arranged between the supporting face of the driving gear and the second flange portion of the second housing part, and wherein the second flange portion is welded to the driving gear. A method of producing a connecting assembly is also disclosed.10-18-2012
20120277051AXLE SHAFT DISCONNECT ASSEMBLY - A drive axle assembly comprises a carrier member having a trunnion outwardly extending from the carrier member, an output shaft axially outwardly extending from the carrier member, a differential assembly including a differential case supported for rotation within the carrier member and a side gear rotatably mounted about the output shaft, a clutch collar non-rotatably coupled thereto and configured to selectively drivingly engage the side gear, and an annular clutch actuator for axially moving the clutch collar between a first position and a second position. The clutch collar drivingly engages the side gear in power transmitting relationship in the first position, while the clutch collar is disengaged from the side gear in the second position.11-01-2012
20120295752STABILIZING STRUCTURE OF MODEL CAR - The present invention provides a stabilizing structure of a model car including two tires, a differential between the tire, and two transmission shafts having opposite ends connected to the tires and the differential respectively. The differential has a case, a pair of bearings disposed on the case, and a pair of shafts. The shafts pass through opposite walls of the case. Each of the shafts has an opening, and the opening extends through the corresponding bearing. The transmission shafts have ends connected to the tires and opposite ends movably connected to the openings of the shafts. The transmission shafts of the present invention are longer than the conventional transmission shafts. It may reduce the swinging angle when the model car runs on a rough road to stabilize the car and raise the speed.11-22-2012
20130085031Drive Axle Assembly and Disengagement System - A drive axle assembly that may include an input shaft, an intermediate shaft, an output shaft, and an actuator unit. The actuator unit may move the intermediate shaft between a first position in which the intermediate shaft transmits torque to the output shaft and a second position in which the intermediate shaft does not transmit torque to the output shaft.04-04-2013
20130225355NON-UNIFORM AXISYMMETRIC DRIVELINE/AXLE DAMPER - A non-uniform axisymmetric damper device is provided, comprising a first portion that extends radially outward from an outer surface of a flange protrusion, and is spaced from and concentric with the flange protrusion. Further, a second portion of the damper device is provided with an inner surface coupled to an outer surface of the first portion and a non-uniform outer surface extending radially outward from the first portion. Accordingly, a light-weight damper is provided that allows for resonance suppression in six degrees of freedom.08-29-2013
20130252776DIFFERENTIAL - A differential includes a ring gear which is engaged with a drive gear, a differential case which integrally rotates with the ring gear, axle shafts which are coaxially arranged on left and right sides, a side gear which integrally rotates with the left axle shaft and a side gear which integrally rotates with the right axle shaft, a pinion gear which is engaged with each side gear, a spider shaft which rotatably supports the pinion gear on the differential case, and a carrier case which rotatably supports the drive gear. The carrier case rotatably supports each side gear and the left axle shaft or the right axle shaft rotatably supports the spider shaft of the differential case.09-26-2013
20140073471DRIVE TRAIN COMPONENT WITH STRUCTURAL COVER - A drivetrain component is provided that may include a housing, a component, a cover and a pair of bearings. The housing may define an internal cavity and a pair of bearing bulkheads. The component may be received in the internal cavity. The cover may be coupled to the housing and may close a side of the internal cavity. The cover may include a pair of bearing caps. Each of the bearing caps may be mounted to a corresponding one of the bearing bulkheads. The pair of bearings may be received on the component. Each bearing may be engaged to an associated one of the bearing bulkheads and an associated one of the bearing caps.03-13-2014
20140094337FLOW-FORMED DIFFERENTIAL CASE ASSEMBLY - A differential case assembly includes a differential case and a pinless gear assembly. The differential case has an open end and a side wall with an interior surface. The pinless gear assembly includes a retainer insert and a side gear with a shaft extending outwardly therefrom. The retainer insert is disposed adjacent the interior surface of the side wall. The retainer insert defines at least a portion of an aperture that receives an end of the shaft to align the gear assembly within the differential case.04-03-2014
20140141920COLLAPSIBLE CLUTCHING DIFFERENTIAL - A collapsible clutching differential is for use in a drive train of a vehicle to control torque thereof. The drive train includes at least one rotating member defining an axis of rotation of the rotating member; a housing operatively supported in driven relationship with respect to a remainder of the drive train, adapted to rotate about the axis, and defining a cavity of the housing into which the rotating member extends; and at least one cross-pin mounted for rotation with the housing. The differential includes a pair of castellated side gears disposed in the cavity of the housing, supported for rotation about the axis relative to the housing, and having a torque-transmitting connection to the rotating member. The castellated side gears are adapted to be spaced from each other and collapse upon themselves such that the differential collapses upon itself.05-22-2014
20140179481DIFFERENTIAL HAVING TWO-PIECE CASE SPLIT THROUGH PLANETARY CARRIER WALL - A differential gear mechanism constructed in accordance to one example of the present disclosure can include a planetary gear assembly having a plurality of planetary gears rotatably mounted on a corresponding plurality of planetary gear shafts. A first differential case portion can have a plurality of first planetary gear shaft mounting surfaces. A second differential case portion, separately formed from the first differential case portion can have a plurality of second planetary gear shaft mounting surfaces. A differential gear assembly can be arranged in at least one of the first and second differential case portions. The first and second plurality of gear shaft mounting surfaces can cooperate to mount the corresponding plurality of planetary gear shafts in an assembled position.06-26-2014
20140179482WELDING STRUCTURE AND METHOD FOR MANUFACTURING WELDING STRUCTURE - Assuming that a direction in which a first member and a second member are arranged is a first direction and a direction orthogonal to the first direction is a second direction, a welding structure includes: a pressure fit portion; a first cavity; a second cavity; a first weld bead formed between the first cavity and an end of a joining part of the first member and the second member on one side in the second direction by welding the first member and second member while the second cavity is communicated with outside; a second weld bead formed between the second cavity and an end of the joining part on the other side in the second direction; and a cutout groove communicating between the first cavity and the second cavity.06-26-2014
20140206489DRIVE DEVICE FOR THE ROAD WHEELS OF A VEHICLE - A drive device for road wheels of a vehicle includes: a stationary housing; a rotatably drivable differential housing with an axle differential gear unit, the differential housing being rotatably mounted in the stationary housing by differential bearings; at least one driveshaft rotatably drivable by the rotatably drivable differential housing; at least one driving gear wheel associated with and arranged on the at least one driveshaft, so as to be fixed with respect to rotation relative to the at least one driveshaft; and at least one driven gear wheel, the at least one driving gear wheel meshingly engaging, by oppositely directed helical teeth, with the at least one driven gear wheel to drive the road wheels of the vehicle and generate axial forces directed toward the center of the axle differential gear unit, and having at least one thrust bearing arrangement configured to support the axial forces.07-24-2014
20140206490DRIVE DEVICE FOR THE ROAD WHEELS OF A VEHICLE - A drive device for the road wheels of a vehicle includes a stationary housing in which a rotatably drivable differential housing having an axle differential gear unit is rotatably mounted by differential bearings, at least one driveshaft being rotatably drivable by the differential housing. At least one driving gear wheel is arranged on the at least one driveshaft so as to be fixed with respect to rotation relative to the latter. The at least one driving gear wheel meshingly engage by oppositely directed helical teeth with at least one driven gear wheel for driving road wheels of the vehicle and generating axial forces directed toward the center of the axle differential gear unit. At least one thrust bearing arrangement for supporting these axial forces is in turn supported at a structural component part of the drive device.07-24-2014
20140206491DRIVE DEVICE FOR THE ROAD WHEELS OF A VEHICLE - A drive device for road wheels of a vehicle includes: a stationary housing; a rotatably drivable differential housing with an axle differential gear unit, the differential housing being rotatably mounted in the stationary housing by differential bearings; at least one driveshaft rotatably drivable by the rotatably drivable differential housing; at least one driving gear wheel associated with and arranged on the at least one driveshaft, so as to be fixed with respect to rotation relative to the at least one driveshaft; and at least one driven gear wheel, the at least one driving gear wheel meshingly engaging, by oppositely directed helical teeth, with the at least one driven gear wheel to drive the road wheels of the vehicle and generate axial forces directed toward the center of the axle differential gear unit, and having at least one thrust bearing arrangement configured to support the axial forces.07-24-2014
20140213406DISCONNECTABLE DRIVELINE FOR ALL-WHEEL DRIVE VEHICLE - A rear drive module for an all-wheel drive vehicle. The rear drive module includes a disconnect clutch, a differential assembly and a hollow shaft. The disconnect clutch has a first clutch member, which is coupled to the spool for rotation therewith, and a second clutch member. The differential assembly includes a differential case. The hollow shaft is coupled to the differential case for rotation therewith and is configured to transmit rotary power in a power path between the disconnect clutch and the differential assembly.07-31-2014
20140213407Modular Cross Shaft Yoke - A mounting system for a differential, comprising a cross shaft, a first stub shaft, a second stub shaft, and a yoke. The cross shaft comprises a long axis and a passageway through the cross shaft perpendicular to the long axis, the passageway comprising a first hole and a second hole. The first stub shaft comprises a long axis parallel to a central axis of the first hole. The second stub shaft comprises a long axis parallel to a central axis of the second hole. The yoke is in the passageway and comprises a first portion extending in to the first stub shaft and a second portion extending in to the second stub shaft.07-31-2014
20140243140AXLE ASSEMBLY HAVING BANJO BEAM AND STRENGTHENED COVERPAN - An axle assembly with a banjo beam and a coverpan. The banjo beam has an upper and lower beam members that are welded together to define a central carrier portion and a pair of tubes. The upper beam member has a pair of upper spring seats that are disposed on opposite sides of the central carrier portion. The lower beam member has a pair of lower spring seats that are disposed on opposite sides of the central carrier portion. The coverpan includes a weld flange and a cover portion. The weld flange is welded to the central carrier portion via a fillet weld to close a first aperture formed in the central carrier portion. The cover portion includes a wall member into which a pair of strengthening protrusions are formed. The strengthening protrusions are disposed on opposite lateral sides of a centerline of the central carrier portion.08-28-2014
20140296019DIFFERENTIAL MECHANISM RESTRICTING DEVICE - A miniaturized differential mechanism restricting device that is mechanically connected to two operation elements. A plurality of holes are formed in an output-side cam, and pin holes are formed in a differential case in a penetrating manner such that the pin holes overlap with the plurality of holes. A plurality of first pins, which pass through the pin holes in a penetrating manner and are fitted in the holes, extend from a first slide member, and a plurality of second pins, which pass through the pin holes in a penetrating manner and are fitted in the holes, extend from a second slide member. The first slide member is moved in the axial direction by a first shift fork, and the second slide member is moved in the axial direction by a second shift fork.10-02-2014
20140302960THREADED FASTENER POSITIVE ANTI-ROTATION LOCKING DEVICE - An apparatus includes a shaft, a device, a fastener, and an anti-rotation clip. The shaft is configured for rotation. The device is mounted on, and surrounds at least a portion of, the shaft, and has first and second protrusions that are formed on one side and are spaced apart to define a tab space. The fastener is rotationally mounted relative to the shaft, and includes a tab slot formed in its outer surface that extends radially inwardly and is disposed radially inwardly of the tab space. The anti-rotation clip includes a main body portion and a head portion that has a first tab portion and a second tab portion. At least a portion the main body portion is disposed between the device and the fastener, the first tab is disposed in the tab space, and the second tab is disposed in the tab slot.10-09-2014
20140309072DIFFERENTIAL GEAR - A differential gear having a gear housing, an epicyclic gear housing, which is arranged in the gear housing in a manner allowing rotation about a gear axis, a drive wheel which sits on the epicyclic gear housing for the purpose of driving the epicyclic gear housing, a first bearing device for the purpose of mounting a first axial end region of the epicyclic gear housing radially, and a second bearing device for the purpose of mounting a second axial end region of the epicyclic gear housing radially, wherein the second bearing device has a first and a second roller element crown which bear axially in opposite directions, and the axial position of the epicyclic gear housing with respect to the gear housing is determined by the second bearing device.10-16-2014
20140309073PLANETARY GEAR OF A DIFFERENTIAL GEAR - A planetary gear (10-16-2014
20140315677COMPACT PLANETARY DIFFERENTIAL GEAR SET ARRANGEMENT - A compact planetary differential gear set includes first (10-23-2014
20140329634PLANETARY GEAR WITH A DIFFERENTIAL GEAR - A planetary gear (11-06-2014
20140371020DIFFERENTIAL WITH TORQUE COUPLING - A torque coupling unit for use with a differential assembly is provided. The torque coupling unit comprises a first member, a second member, a clutching assembly, and a clutch actuator. The first member is in driving engagement with a side gear of the differential assembly. The second member is in driving engagement with an output shaft. The clutch actuator assembly is disposed adjacent the clutching assembly and comprises a roller and ramp assembly. In response to a rotation of a portion of the clutch actuator assembly a portion of the roller and ramp assembly is driven in an axial manner to apply a force to the clutching assembly, causing a first portion of the clutching assembly to be at least variably frictionally engaged with a second portion of the clutching assembly.12-18-2014
20140378263Differential Assembly Having a Clutch Collar Actuator Mechanism - A differential assembly having a clutch collar actuator mechanism. The clutch collar actuator mechanism includes an actuator and a fork that may pivot about a pivot axis to actuate a clutch collar.12-25-2014
20150087465DIFFERENTIAL CONTROL SYSTEM FOR A MOTOR VEHICLE - A differential control system for a motor vehicle such as a truck including at least one differential includes at least one differential lock which is able to operate the differential into at least a locked or an unlocked state, a controller that controls the differential lock, a manually operable control member freely rotating bidirectionally around at least one axis, an encoder connected to the control member to convert a rotation of the control member into a signal fed to the controller which controls the differential lock in order to operate the differential into a locked or an unlocked state.03-26-2015
20150298543DISCONNECTABLE DRIVELINE FOR ALL-WHEEL DRIVE VEHICLE - A disconnectable driveline arrangement for an all-wheel drive vehicle includes a power take-off unit having a dog clutch disconnect mechanism that is configured to selectively couple an input spindle and a spool on which a ring gear is mounted.10-22-2015
20150300421DISCONNECT SYSTEM FOR AN ALL-WHEEL DRIVE VEHICLE DRIVE TRAIN - A disconnect system for an all-wheel drive vehicle drive train is provided. The disconnect system includes a first torque transmitter, a second torque transmitter and a clutch selectively connecting the first torque transmitter and the second torque transmitter. The clutch includes an engagement section and an inner race and an outer race supporting the engagement section. The inner race is arranged to be forced against the engagement section to lock the clutch and moved away from the engagement section to unlock the clutch.10-22-2015
20150369356POWER TRANSMISSION APPARATUS - A power transmission apparatus including a transmission, a case that accommodates the transmission, a counter drive gear to which power from the transmission is transmitted, a counter driven gear that meshes with the counter drive gear, and a drive pinion gear that is disposed and spaced apart in an axial direction from the counter driven gear and that rotates together with the counter driven gear, the power transmission apparatus.12-24-2015
20150377334INTEGRATED GEAR ASSEMBLY - An integrated gear assembly includes a conjoined carrier assembly coupling a reducing gear set to a differential gear set. This includes first, second and third coaxial sun gears. The first sun gear meshingly engages first gear elements of stepped pinion gears of the reducing gear set. The second sun gear meshingly engages third pinion gears of the differential gear set. The third sun gear meshingly engages fourth pinion gears of the differential gear set. The third pinion gears of the differential gear set axially overlap second gear elements of the stepped pinion gears of the reducing gear set. The fourth pinion gears of the differential gear set axially overlap the third pinion gears of the differential gear set.12-31-2015
20160025201Differential Assembly for Vehicles - A differential assembly includes a differential housing, two side gears, at least one output hub, and at least one pinion gear assembly. When a torque input is provided to the first side gear, eccentric contact surfaces on the first side gear and the output hub contact under compression forces, and compression forces between the outer cylindrical surface of the first side gear and an inner cylindrical surface of the differential housing and between the outer cylindrical surface of the first output hub and the inner cylindrical surface of the differential housing cause frictional forces between the differential housing and the first side gear and between the differential housing and the first output hub to provide a torque bias to the differential assembly. In some embodiments, the differential housing includes a second output hub and eccentric contact surfaces on the second side gear and the second output hub.01-28-2016
20160025202DIFFERENTIAL DEVICE WITH LIMITED-SLIP DIFFERENTIAL MECHANISM - The present invention is intended to provide a differential device with a limited-slip differential mechanism in which, while preventing full compression of spring members to avoid problems resulting from it, the spring members are configured to be as small in diameter as possible to allow the pressure-contact surfaces of a differential case to be wide for clutch plates, whereby it is possible to prevent problems such as a local increase in surface pressure between the clutch plates and scratches on the clutch plates caused by the inner peripheral edges of the pressure-contact surfaces, and achieve improvement in durability of the differential device.01-28-2016
20160031320REAR AXLE DIFFERENTIAL DEVICE OF VEHICLE - A rear axle differential device of a vehicle, including a differential casing, two half-shafts, an input shaft, and an output shaft is provided. The differential casing includes a first casing and a second casing. A differential gear is disposed in the second casing having two coaxial half-shaft holes at two ends. The two half-shafts are coaxially fixed to the two half-shaft holes, respectively, and a direction of an axis of the half-shaft is a first direction. One end of the input shaft is fixed to the first casing, and the other end extends towards the second casing. The output shaft is located at one side of the input shaft, and one end is fixed to the first casing and the other end extends along a direction opposite to an extending direction of the input shaft. The axis of the output shaft is parallel to the axis of the input shaft.02-04-2016
20160061307DIFFERENTIAL - A differential, including: a gear housing; an epicyclic housing which is mounted in the gear housing in a manner allowing rotation about a gear axis; a planet carrier arranged in the epicyclic housing in a manner allowing rotation; a first output sun gear; a second output sun gear; a planetary arrangement, accommodated in the planet carrier, coupling the output sun gears in a manner allowing opposite rotation; a brake device generating a bridging torque which places a load on relative rotation of the first and second output sun gears, according to a magnitude of an axial force applied to the brake device; and an actuating mechanism for the purpose of generating said axial force applied to the brake device. The actuating mechanism is designed in such a manner that the first bridging torque generated by the brake device increases as a rotary drive torque applied to the epicyclic housing increases.03-03-2016
20160076636POWER TRANSMISSION DEVICE - A reservoir plate for dividing an inside of a transmission case into a differential chamber and a hydraulic oil storage chamber includes: a cylindrical portion covering a part of a differential gear; a flange portion radially extending from the cylindrical portion; and a differential ring surrounding portion extending from an outer circumferential edge of the flange portion so that a part of a differential ring gear is covered from above without interfering with a drive pinion gear. The cylindrical portion, the flange portion, and the differential ring surrounding portion are integrally formed with each other. A seal member is interposed between the transmission case and the outer circumferential edge of the flange portion at least in the range below the differential ring surrounding portion.03-17-2016
20160102747DIFFERENTIAL ASSEMBLY WITH C-LOCK KEEPER - The present teachings provide for a differential assembly including a pair of plates and a keeper. A pair of pinion gears can be rotatable within a case for common rotation about a first axis and relative rotation about a second axis. A pair of side gears can meshingly engage the pinion gears, each being coupled for rotation with an output shaft. Each plate can be received in a groove defined by a respective output shaft, and can have a radial width greater than a depth of the groove. The keeper can be axially between the pinion and side gears, and can include releasably coupled first and second bodies, that cooperate to define first and second bores. Each bore can define an inner surface that surrounds a respective one of the plates to prevent its escape from the groove.04-14-2016
20160116045DIFFERENTIAL DEVICE - In a differential device, side gears include: shaft portions; and intermediate wall portions each formed in a flat ring plate shape orthogonal to an axis of output shafts and integrally connecting between the shaft portions and toothing portions separated outward from the shaft portions in a radial direction of an input member, respectively. At least part of each intermediate wall portion is formed as a thin portion having an outside surface retreating axially inward from a backside of the tooting portion. A side wall portion of a cover portion integrally includes an outer-periphery-side side wall portion having an inside surface facing the backside of the toothing portion, and an inner-periphery-side side wall portion having an inside surface facing a backside of the intermediate wall portion. At least part of the inner-periphery-side side wall portion is formed thicker than the outer-periphery-side side wall portion and protrudes toward the thin portion.04-28-2016
20160153538DIFFERENTIAL DEVICE AND METHOD OF MANUFACTURING THE DIFFERENTIAL DEVICE06-02-2016
20160193915DIFFERENTIAL WITH TORQUE COUPLING07-07-2016
20160252174DIFFERENTIAL APPARATUS COMPONENT, DIFFERENTIAL APPARATUS THEREWITH AND MANUFACTURING METHOD THEREOF09-01-2016

Patent applications in class DIFFERENTIAL PLANETARY GEARING

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