A differential device is provided with: an input member; a gear set with output gears to transmit torque from the input member to the output gears while allowing differential motion therebetween; a first clutch for limiting the differential motion; a first pressure pressing on the first clutch; a first cam mechanism for pressing the first pressure plate toward the first clutch; a second clutch, when connected, drivingly connecting the output gears with the input member; a second pressure plate for engaging the second clutch; and a rotatable driver disk including a pressing member so coupled with the cam mechanism as to, from a first position to a second position, rotate the first cam mechanism together and to, from the second position to a third position, allow the first cam mechanism to create rotational difference relative to the pressing member, thereby engaging the second clutch.

A differential gearing device includes a base gearing device and an actuator. The base gearing device including a first gear connected to a first output of the differential gearing device, a second gear connected to a second output of the differential gearing device, differential gearing connected to each of the first gear and the second gear, and a clutch connected between the first gear and the second gear. The actuator actuates the clutch to change a torque bias ratio between the first gear and the second gear.

A differential gearing device includes a base gearing device and an actuator. The base gearing device including a first gear connected to a first output of the differential gearing device, a second gear connected to a second output of the differential gearing device, differential gearing connected to each of the first gear and the second gear, and a clutch connected between the first gear and the second gear. The actuator actuates the clutch to change a torque bias ratio between the first gear and the second gear.

A differential transmission for transmitting a torque to an axle of a motor vehicle, has at least one driveshaft and at least one output shaft, which are connectable in torque-transmitting manner via a clutch within a housing of the differential transmission, wherein the clutch is actuatable via an actuating device, wherein the actuating device is mounted on the housing, wherein the at least one output shaft is mounted in a rotatable manner via a bearing, wherein the bearing is mounted on the actuating device; wherein a stop is arranged on the at least one output shaft such that an actuating force that is provided for actuating the clutch and acts at least in an axial direction is supported on the stop at least via the actuating device and the bearing.

A differential device is provided with: an input member; a gear set with output gears to transmit torque from the input member to the output gears while allowing differential motion therebetween; a first clutch for limiting the differential motion; a first pressure pressing on the first clutch; a first cam mechanism for pressing the first pressure plate toward the first clutch; a second clutch, when connected, drivingly connecting the output gears with the input member; a second pressure plate for engaging the second clutch; and a rotatable driver disk including a pressing member so coupled with the cam mechanism as to, from a first position to a second position, rotate the first cam mechanism together and to, from the second position to a third position, allow the first cam mechanism to create rotational difference relative to the pressing member, thereby engaging the second clutch.

A differential includes a differential case; a side gear; a pinion configured for meshing engagement with the side gear; and a pinion housing configured to support the pinion. The pinion housing includes a first face; a second face opposing the first face; a first projection located on the first face; and a second projection located on the second face. The pinion housing also includes an aperture or hole extending radially inwardly from an outer radial surface of the generally annular ring; and a channel extending from the first face to the second face, wherein the channel is substantially radially aligned with the aperture or hole. In embodiments, the pinion housing includes one or more transfer formations configured to transfer torque from the differential case, and the pinion housing is configured to permit movement in an axial direction between a pair of side gears.

A differential transmission for transmitting a torque to an axle of a motor vehicle, has at least one driveshaft and at least one output shaft, which are connectable in torque-transmitting manner via a clutch within a housing of the differential transmission, wherein the clutch is actuatable via an actuating device, wherein the actuating device is mounted on the housing, wherein the at least one output shaft is mounted in a rotatable manner via a bearing, wherein the bearing is mounted on the actuating device; wherein a stop is arranged on the at least one output shaft such that an actuating force that is provided for actuating the clutch and acts at least in an axial direction is supported on the stop at least via the actuating device and the bearing.

A driving force distribution apparatus for a four-wheel drive vehicle includes a hydraulic clutch, a spool, and a working-oil filling member. The spool is in an electromagnetic solenoid valve disposed in a hydraulic supply mechanism. The spool is slidably held in a sleeve and has one end biased by a plunger and the other end biased by a spring disposed in a damper chamber. A working oil is filled into the damper chamber through the working-oil filling member. The working-oil filling member is provided in the sleeve of the electromagnetic solenoid valve at an upper position in a direction of gravitational force above an oil surface of the working oil stored in the hydraulic supply mechanism.

A differential includes a differential case; a side gear; a pinion configured for meshing engagement with the side gear; and a pinion housing configured to support the pinion. The pinion housing includes a first face; a second face opposing the first face; a first projection located on the first face; and a second projection located on the second face. The pinion housing also includes an aperture or hole extending radially inwardly from an outer radial surface of the generally annular ring; and a channel extending from the first face to the second face, wherein the channel is substantially radially aligned with the aperture or hole. In embodiments, the pinion housing includes one or more transfer formations configured to transfer torque from the differential case, and the pinion housing is configured to permit movement in an axial direction between a pair of side gears.

A differential includes a differential case; a side gear; a pinion configured for meshing engagement with the side gear; and a pinion housing configured to support the pinion. The pinion housing includes a first face; a second face opposing the first face; a first projection located on the first face; and a second projection located on the second face. The pinion housing also includes an aperture or hole extending radially inwardly from an outer radial surface of the generally annular ring; and a channel extending from the first face to the second face, wherein the channel is substantially radially aligned with the aperture or hole. In embodiments, the pinion housing includes one or more transfer formations configured to transfer torque from the differential case, and the pinion housing is configured to permit movement in an axial direction between a pair of side gears.