Abstract: A transmission system and a method for operation of said transmission is provided. The transmission system includes a first friction clutch with a first set of discs splined to a shaft and a second set of discs splined to an inner circumference of a first gear. The system further includes a first hydraulic passage extending through the shaft and including an outlet in the shaft that directly supplies a lubricant to the first and second sets of discs during transmission system operation, where the first gear includes outer teeth that are positioned circumferentially around the first gear outward from the first and second sets of discs and is designed to mesh with a second gear in the transmission system.

Abstract: An impeller (230) for a planet carrier of a planetary gear speed reducer of a turbomachine, is configured intended to be rotatably secured to the planet carrier and to be rotated about an axis A of the speed reducer. The impeller has an annular shape about the axis and includes lubrication means (43, 45, 238), in particular for lubricating bearings of planet gears of the speed reducer. The lubrication means include an annular cavity (238) situated at the inner periphery of the impeller. The impeller includes an inner peripheral wall (246) closing the cavity (238) in the radial direction, and the impeller includes an annular port (248) that extends around the axis and that opens in the axial direction into the cavity in order to supply it with lubricating oil.

Abstract: A gearbox for an electric powertrain, said gearbox comprising a primary shaft, on which are arranged a first primary gear which is fixed in rotation with respect to the primary shaft, a second primary gear and a third primary gear and a secondary shaft, on which are arranged a first secondary gear that is meshing with the first primary gear and that is by default free to rotate around the secondary shaft, a second secondary gear meshing with the second primary gear and a third secondary gear meshing with the third primary gear. The gearbox further includes a first coupling member, which is arranged along the secondary shaft and which can be moved between an engaged position, in which it couples the first secondary gear in rotation with the secondary shaft and a neutral position.

Abstract: A gear module includes a rotating cylinder, a first planetary gear set, a second planetary gear set, a concave-convex structure, and a limit bearing set. The first planetary gear set is accommodated in the rotating cylinder and includes a driven gear; the second planetary gear set includes a positioning frame, second planetary gears pivoted to a positioning frame, a driven gear engaged with the second planetary gears, and the positioning frame has a through hole; the concave-convex structure includes a convex column extended from the rotating cylinder and a concave hole formed on the positioning frame, the convex column is plugged into the concave hole; the limit bearing set includes a first ball bearing sheathing the driven gear and mounted between the driven gear and the through hole, and a second ball bearing sheathing the convex column and mounted between the convex column and the concave hole.

Abstract: A vehicle drive unit that provides improved power transfer to a differential input member of a differential assembly. The vehicle drive unit is configured with an interlock system that is configured to inhibit the supply of electrical power from a source of electrical power if certain predetermined conditions are not met.

Abstract: A transmission mode control system includes a control device that controls a transmission mode of a vehicle and a first input device that accepts a switching operation of switching from an automatic transmission mode to a manual transmission mode. The control device includes a processor and a memory. The processor executes a process including: switching the transmission mode from the manual transmission mode to the automatic transmission mode when a switching time elapses after an operation of the first input device by a driver of the vehicle; and extending the switching time by a set time when the driver performs, within a post-switching determination time after the switching time elapses, a certain operation that causes a gear ratio to change in the same direction as a change of gear ratio when the gear shift is executed in response to the operation by the driver before the switching time elapses.

Abstract: In one example, a hybrid drive unit comprises an electric motor, an axle differential for connection with a further motor, a first axle half shaft and a second axle half shaft connected to the axle differential, a first clutching device and a second clutching device. The electric motor is selectively drivingly engagable with the first axle half shaft via the first clutching device and with the second axle half shaft via the second clutching device.

Abstract: A paddle shifter includes a pair of operation portions that decrease or increase the deceleration, the shift characteristic of the vehicle is set to a fixed shift mode based on the operation of the driver in response to an operation of one operation portion, a shift characteristic of the vehicle is set to a fixed shift mode based on the operation of the driver in response to an operation of the one operation portion, the shift characteristic of the vehicle is set to an automatic shift mode based on a running condition of the vehicle in response to an operation of the other operation portion, and when the one operation portion of the pair of operation portions remains in an ON state for a predetermined period of time, a change in the shift characteristic of the vehicle based on the other operation portion is activated.

Abstract: A controller is configured to control a vehicle that includes an internal combustion engine and an automatic transmission. The controller is configured to execute a shifting process that switches a gear ratio of the automatic transmission and a lean operation process that operates the internal combustion engine with an air-fuel ratio of the air-fuel mixture in a cylinder leaner than a stoichiometric air-fuel ratio. The controller is further configured to, when executing the shifting process during execution of the lean operation process, set an air-fuel ratio in a case in which the shifting process is being executed to a value closer to the stoichiometric air-fuel ratio than an air-fuel ratio in a case in which the shifting process is not being executed.

Abstract: A traction saddle disposed on a tractor for connection with a traction pin of a trailer, is provided. The traction saddle includes a base, a gear set, and a damper. A gear carrier of the gear set fixes axial centers of the planetary gears of the gear set, the planetary gears are meshed with an inner ring gear of the gear set, and the inner ring gear is fixed to the base. The gear carrier is used for fixing the traction pin to rotate with the traction pin. The planetary gears are meshed with one end of a sun gear of the gear set to drive the sun gear to rotate, and the damper is connected to the other end of the sun gear to apply resistance to rotation of the sun gear. In addition, a traction pin, a tractor, a trailer, and a truck are also provided.

Abstract: A domino-type torque generator includes a base member, and a plurality of toppling members pivotally connected to the base member. Each toppling member is pivotable from an upright position to an inclined position, or from the inclined position directly to an opposite inclined position, about a torque shaft extending transversely through a lower end portion of each toppling member. One end of each torque shaft is provided with a pinion. A first differential gear is connected to the pinions to accumulate torques applied on the torque shafts by toppling of the toppling members. A rotating cage of the first differential gear is the output, and is directly or indirectly connected to one of the side gears of the next differential gear, which is used to accumulate output torque from the first differential gear. A drive mechanism is configured to repeatedly drive the toppling members to topple, thereby continuously generating torques.

Abstract: An example rotational joint assembly for a robotic medical system, the rotational joint assembly comprising at least one arm segment and a rotational joint provided at one end of the arm segment. The rotational joint is to allow the arm segment to rotate about a rotational axis. The rotational joint comprising a brake to lock rotation of the arm segment at the rotational joint and an actuator to selectively engage or disengage the brake. The actuator comprising a cam having two stable regions separated by two transition regions, the two stable regions comprising a first stable region corresponding to engagement of the brake and a second stable region corresponding to disengagement of the brake.

Abstract: A device for a towing vehicle that includes: a drive unit that independently drives each of left and right wheels of a towing vehicle that tows a towed vehicle; an acceleration detection unit that detects an acceleration of the towing vehicle; a drive force detection unit that detects a drive force of the towing vehicle; a mass estimation unit that estimates a mass of the towed vehicle using respective detection results generated by the acceleration detection unit and the drive force detection unit at a time of acceleration of the towing vehicle in a towing state; and a control unit that controls a drive force of the left and right wheels of the towing vehicle in consideration of an influence of the mass of the towed vehicle estimated by the mass estimation unit at a time of turning of the towing vehicle in the towing state.

Abstract: A vehicle electric drive apparatus is provided with a single hydraulic pump and left-side and right-side drive units. The left-side drive unit includes a left-side electric motor and a left-side transmission mechanism. The right-side drive unit includes a right-side electric motor and a right-side transmission mechanism. One of rotary shafts of the left-side transmission mechanism and one of rotary shafts of the right-side transmission mechanism constitute a pair of pump-drive rotary shafts. The single hydraulic pump is connected to the pair of pump-drive rotary shafts through respective one-way clutches, and is to be driven by one of the pump-drive rotary shafts that is rotated at a speed higher than the other of the pump-drive rotary shafts, so as to output a hydraulic pressure.

Abstract: A vehicle gear-shifting control apparatus is equipped with an engine, a motor, an automatic transmission, a friction brake system, and a controller which executes, during deceleration of a vehicle during which the friction brake system is distributing a braking force to front and rear wheels, a regeneration control of imparting a regenerative braking torque to the rear wheels by causing the motor to perform a regeneration operation and a gear-shifting control of changing a shift stage of the automatic transmission by outputting a gear-shifting signal in accordance with the rotation speed of an input shaft to the automatic transmission. When the controller determines an oversteered state of the vehicle during the regeneration control, the controller increases an input torque of the input shaft so that the regenerative braking torque decreases while maintaining the regeneration operation of the motor and, at the same time, limits the gear-shifting control.

Abstract: Systems are provided for a differential of an electric powertrain. In one example, a system includes a portal axle coupled to only one side of a differential, the portal axle comprising a first axle and a second axle coaxial with one another.

Abstract: A torque convertor and direct drive unit arrangement and operating methods are provided herein. In one example, a prime mover may be configured to be coupled to a transmission via one of a torque convertor and a direct drive unit, the direct drive unit including a higher range clutch and a lower range clutch.

Abstract: The present invention relates to a wheel for motor vehicles that incorporates a planetary gear system within the wheel assembly. The wheel aims to increase the mechanical advantage of the wheel by providing additional rotation to the wheel axis of the vehicle, thus reducing the amount of fuel exhausted by the vehicle during transit. By utilizing an internal and planetary gear system with integrated motors housed within the wheel, the tire of the wheel is able to rotate independently from the axel of the vehicle in the same direction, thus providing an increased power output.

Abstract: A drive system of a hybrid utility vehicle includes: an internal combustion engine including a crank shaft; a continuously variable transmission connected to the internal combustion engine; a drive train that connects an output shaft of the continuously variable transmission to a driving wheel; an electric motor; a branch train that connects the electric motor to the drive train such that power can be transmitted from the electric motor to the drive train; and an engine clutch that can cut transmission of rotational driving power, which has been input from the electric motor through the branch train to the drive train, to the internal combustion engine.

Abstract: A shift control device to be applied to a vehicle provided with an automatic transmission includes a detector and a shift mode control processor. The detector detects that the vehicle has passed through a tollgate through which the vehicle is able to pass without stopping. The shift mode control processor switches a shift mode of the vehicle from a first shift mode to a second shift mode the shift mode of the vehicle upon passing through the tollgate is the first shift mode and a predetermined condition regarding one or both of a speed of the vehicle and an accelerator opening degree of the vehicle is satisfied after the vehicle passes through the tollgate. In the first shift mode, a shift operation is performable by a driver, and in the second shift mode, a shift operation is performable by the automatic transmission.