Abstract: A final drive differentially for distributing torque input into a shaft via a differential device to a pair of axles is provided with a ring gear coupled via gearing to the shaft to transmit the torque to the differential device. A housing unitarily includes a main portion supporting the shaft and enclosing the differential device, and a wall portion including a first opening through which one of the axles passes and supporting a first end of the differential device. A cover included a second opening through which the other of the axles passes, and is combined with the housing to support a second end of the differential device, wherein the wall portion, the ring gear, and the shaft are arranged, from the wall portion toward the cover, in an order of the wall portion, the ring gear, and the shaft.

Abstract: A vehicle driveline component having a housing, a shaft received in the housing, a lubricant pathway coupled to the shaft for rotation therewith, a sleeve disposed coaxially about the lubricant pathway, and a fluid feed conduit coupled to the component housing. The lubricant pathway is disposed helically about an exterior surface of the shaft. The sleeve has a feed port. The fluid feed conduit having an outlet that is in fluid communication with the feed port. Lubricant in the lubricant pathway that has been discharged from the outlet of the fluid feed conduit travels in a predetermined axial direction along the rotary axis of the shaft when the shaft rotates about the rotary axis in a predetermined rotational direction.

Abstract: A vehicle transfer structure includes a main-drive-wheel output shaft that receives torque from a drive source and outputs it to main drive wheels, a part-time-drive-wheel output shaft provided parallel to the main-drive-wheel output shaft, a coupling provided on the main-drive-wheel output shaft and which partially extracts the torque to the part-time-drive-wheel output shaft via a transmission mechanism, and a damper disposed on the main-drive-wheel output shaft. The coupling is provided with an input-side coupling part coupled to an inner circumferential part of the damper. The input-side coupling part is coupled, via a spline-fitted section, to an output-side coupling part of a drive force transmission member which is coupled to an outer circumferential part of the damper and transmits a drive force to a driving-side transmission member of the transmission mechanism. The spline-fitted section allows a relative rotation between the input- and output-side coupling parts within a given angle.

Abstract: A planetary differential continuously variable transmission is provided having a first drive input ring gear having internal teeth, and a planetary differential connected to the first drive input ring gear, A first electric machine is provided having a first stator and a first rotor, with the first rotor being connected to the first drive ring input ring gear. A second electric machine is provided having a second stator and a second rotor, with the second rotor being connected to the planet gear carrier of the planetary differential and acts as a second drive input. A one way clutch is located between the second stator and the second rotor to limit a reverse rotation of the second rotor in order to improve efficiency and save battery life in electric or hybrid vehicles with this drive system.

Abstract: An assembly adapted to replace an automobile differential's spider gears, locking the axles together. The present invention comprises a pair of outer drive flange members that are adapted to engage with a pair of wedge locking members within the carrier of an automobile differential, replacing the differential's stock planetary or spider gears. The present assembly locks the rotation of the rear axles together, applying power equally to both wheels and enhancing the performance of the automobile during competitive drag racing events, without requiring expensive custom installation from a specialist.

Abstract: A differential assembly includes an axle, a differential, a differential lock assembly, a selector, and a coupler. The differential is coupled with the axle and is configured to facilitate operation of the axle at an axle speed. The differential lock assembly is associated with the differential and is movable between locked and unlocked positions. The selector is movable between lock-initiate and unlock-initiate positions. The coupler is configured to selectively couple the differential lock assembly and the selector. The coupler is configured for operation in deactivated and activated modes. When the coupler is in the deactivated mode, the differential lock assembly and the selector are decoupled from each other. When the coupler is in the activated mode, the differential lock assembly and the selector are coupled together.

Abstract: A differential device is provided with a case being capable of rotation around a rotation axis; a differential gear set housed in and drivingly coupled to the case, which includes first and second output gears and is configured to differentially transmit the rotation of the case to the first and second output gears; a clutch configured to controllably limit and free a differential motion between the first and second output gears, which is housed in the case; an actuator configured to actuate the clutch; and a notifying member configured to notify whether the differential motion is limited or freed to an exterior of the case.

Abstract: A differential gear system with a three-step control mechanism uses the axial motion of a single member to achieve three functions of ON, OFF and LOCK. The differential gear system has a locking mechanism installed in the planetary gear carrier between two planetary gears thereof. Extra space for the locking mechanism is not necessary. It can be applied to differential gear systems with spiral bevel gears and with regular gears. The locking mechanism can be mounted between two planetary gears of the planetary gear carrier or on the shaft of the planetary gear corresponding to the other planetary gear connected with the clutch sleeve. Accordingly, the differential gear system with a three-step control mechanism comprises a left shaft, a right shaft and a planetary gear carrier between the left shaft and the right shaft. The left shaft and the right shaft are respectively one-piece axles provided with end connecting sections.

Abstract: A drill/driver (2) includes first (32) and second (52) drive shaft. The two drive shafts (32, 52) are independently rotatable about respective axes (A-A, B-B) thereby to selectably choose the radial and axial position of the final output drive of the drill/driver. A shaft lock (56) is provided to enable the user to selectively lock either or both of the shafts (32, 52) against rotation about their respective axes.

Abstract: A differential for motor vehicles installed between two half-shafts on which two drive wheels are keyed includes a box driven by the engine by a connecting element which causes it to rotate about axes of the half-shafts, on free ends of the latter there being keyed two bevel gears housed inside the box, the differential and the half-shafts being contained inside a casing. Each of the flanges through which the half-shafts penetrate into the box has a cylindrical extension outwards, with grooves which are complementary with respect to other grooves formed on the surface of a coaxial cavity formed in a sleeve slidable coaxially on each half-shaft and rotationally locked thereto, mounted inside the casing and provided with an element which causes it to slide in the two directions causing engagement between the grooves or disengagement thereof, locking together the box and the half-shafts or performing disengagement thereof.

Abstract: A locking gear is a differential device configured between the main flywheel that is attached with a differential and one end of a spindle. The locking gear includes a protruded annulet that is configured at the outside of the main flywheel, and several radial through holes on the protruded annulet, and several grooves configured at one end of the spindle that will aim at each radial through hole on the protruded annulet respectively when the spindle rotates to a predetermined angle, and beads that are placed in each radial through hole. Also, there is a clutch body that sleeves one end of the spindle, and the end of its central through hole forms a small expansion section and a large expansion section, and the aperture of the small expansion section right gears the outside diameter of the protruded annulet, therefore the beads can be fixed internally.

Abstract: An axle drive block for a motor vehicle, comprising a first and a second differential in a driven housing. Both of the differentials are coaxially aligned planetary spur gears, the sun wheels of which are drivably connected to the semiaxes of the first driven axle. The planet wheels of both differentials mesh the joint ring gear of the sun wheels. In order to lock the interaxle differential, the housing is provided with a first striking surface interacting with a second striking surface which is pressed thereto by ball ramps.

Abstract: The temperature-based differential lock control monitors the temperature of a differential lock in a vehicle driveline. Depending on the detected temperature, the differential lock is automatically disengaged to avoid potential damage to the differential lock. The control preferably includes a controller that records information regarding the detected temperature over time.

Abstract: Described is a hydraulic circuit construction of a vehicular left/right drive force adjusting apparatus suitable for use in adjusting drive force to left and right wheels in an automotive vehicle or the like. The vehicular left/right drive force adjusting apparatus is provided with a drive force transmission control mechanism which performs adjustment of drive force. The drive force transmitting apparatus is equipped with a left-wheel-controlling, hydraulically-driven clutch mechanism for transferring drive force to a left-wheel axle or from the left-wheel axle, a right-wheel-controlling, hydraulically-driven clutch mechanism for transferring drive force to a right-wheel axle or from the right-wheel axle, and a hydraulic circuit for driving these clutch mechanisms.

Abstract: A power transfer device having a center differential gear unit for use in a four-wheel drive vehicle of part time four-wheel drive type of the present invention comprises: an intermediate shaft which is rotatably provided around a rotary shaft, which rotary shaft is driven to transmit the driving power of an engine and connected with one of the output elements of the center differential gear unit, and which is detechably connected with the rotary shaft through the first clutch mechanism; and an output shaft which is rotatably provided around the intermediate shaft and detachably connected with the intermediate shaft through the second clutch mechanism having a synchro-mesh unit, wherein the transmission can be optionally changed over among the two-wheel drive state in which the center differential gear unit is locked, the four-wheel drive state in which the center differential gear unit is locked, and the four-wheel drive state in which the center differential gear is released, by moving the sleeve in the fir

Abstract: A transfer case for a four wheel drive vehicle providing a central shaft defining a first output concentrically surrounded by a forward high/low drive range gear set and an aft dual planetary inter-axle differential gear set. A range clutch collar is disposed between the gear sets for selectively providing four wheel drive low range, neutral, and full-time four wheel drive high range. Likewise, a mode sleeve is disposed between the gear sets for selectively locking the differential gear set when the vehicle is shifted into its four wheel low range. Inner and outer relatively rotational drum housings surround the aft dual planetary differntial gear set for defining an annular viscous fluid coupling chamber therebetween.

Abstract: A differential mechanism of a four-wheel driving apparatus for vehicles has a planetary gear and transmits the driving torque from an input shaft to a front wheel driving shaft and a rear wheel driving shaft in a distributing manner. The differential mechanism includes a first spline rotated by the driving torque from the input shaft, a second spline connected so as to the integrally rotated with a sun gear of the differential planteary gear, a third spline connected so as to be integrally rotated with a carrier, fourth spline formed on an outer circumferential surface of the ring gear, and a differential change sleeve mounted in an outward radial direction from the first spline to the fourth spline for axially sliding between two positions, one position for connecting first and fourth splines, and the other position for connecting first, second and third splines.