Abstract: A switchback control apparatus for an industrial vehicle, includes a forward and reverse operating part, a forward and reverse position detector detecting a position of the forward and reverse operating part, a vehicle speed detector; and a shift control section shifting the transmission forcibly to a first speed stage and then, releasing the first speed stage of the transmission that is set forcibly when the forward and reverse operating part is shifted from the forward position to the reverse position or from the reverse position to the forward position by the forward and reverse position detector and a vehicle speed detected by the vehicle speed detector greater is than or equal to a threshold value that is smaller than a shift-up vehicle speed for shifting the transmission from the first speed stage to a second speed stage.

Abstract: A mechanical supercharging system includes a stepped transmission that connects a crankshaft of an internal combustion engine with driving wheels, a centrifugal supercharger including a rotary drive shaft connected to the crankshaft, a variable speed ratio device that changes a speed ratio of the rotary drive shaft to the crankshaft, the variable speed ratio device being provided between the crankshaft and the rotary drive shaft; and a control device configured to control the speed ratio. The control device increases the speed ratio during the upshift operation more than the speed ratio before start of the upshift operation.

Abstract: A drive device for a motor vehicle, having a first drive assembly, a second drive assembly that can be coupled to the first drive assembly with a fixed transmission ratio by an intermediate clutch, as well as a driven shaft that can be coupled to the first drive assembly and to the second drive assembly. Here, the first drive assembly is directly coupled or can be coupled to a third drive assembly, and that the driven shaft can be coupled to the second drive assembly, on the one hand, by way of a first shift clutch and a first transmission stage, and, on the other hand, by way of a second shift clutch, which is coupled to the second drive assembly parallel to the first shift clutch, and a second transmission stage.

Abstract: An electric drive axle system has an integral electric machine. An axle system includes a pair of output shafts and a motor with a rotor shaft disposed in line with the output shafts. A gearset is coupled between the rotor shaft and one output shaft. Another gearset is coupled between the rotor shaft and the other output shaft. Each gearset has a sun gear meshing with a set of planet gears supported on a carrier. The rotor shaft is fixed to the sun gears and the output shafts are fixed to the carriers. A clutch may alternately prevent or allow rotation of ring gears of the gearsets.

Abstract: Disclosed is a method for controlling a neutral gear of an automatic transmission. The method includes: when a neutral gear control function of the automatic transmission is in an activated state, an automatic Transmission Control Unit (TCU) collects information on a pressure of a brake main cylinder, a state of a brake pedal, and whether an autohold function is in an activated state or not; and when the pressure of the brake main cylinder is smaller than a pressure threshold P3 of the neutral gear control function and the autohold function is in an inactivated state, or when the brake pedal is in an unstamped state and the autohold function is in the inactivated state, the automatic TCU controls the neutral gear control function to exit from the activated state.

Abstract: A gearbox assembly having a driven assembly includes a drive hub having gear posts, the drive hub being rotatable about an axis. The gearbox assembly additionally includes a plurality of planetary gears and an intermediate component coupling one of the plurality of planetary gears to a corresponding gear post. The intermediate component has sufficient flexibility to maintain the planetary gears in meshing engagement with the driven assembly within the gearbox assembly when one of the planetary gears is misaligned with the corresponding gear post.

Abstract: A power extraction and amplification system for a gas turbine engine is disclosed. In various embodiments, the power extraction and amplification system includes a low spool tower shaft configured for engagement with a low speed spool, a high spool tower shaft configured for engagement with a high speed spool, a first motor, a generator, a differential gear box operably coupled to the low spool tower shaft, to the first motor and to the generator, and a second motor operably coupled to the generator and the high spool tower shaft.

Abstract: A method of operating a vehicle having an engine, a throttle valve and a throttle operator. A continuously variable transmission operatively connected to the engine has a driving pulley, a driven pulley, and a belt operatively connecting therebetween. A ground engaging member is operatively connected to the driven pulley. A piston is operatively connected to the driving pulley for applying a piston force thereto and thereby changing an effective diameter of the driving pulley. A control unit controls actuation of the piston and the piston force. The method includes determining at least one of the throttle operator and throttle valve position, detecting a parking/drive away condition indicative of one of a parking operation and a drive-away operation of the vehicle, and, responsive to the detection, actuating the piston and controlling the piston force based on the at least one of the throttle operator position and the throttle valve position.

Abstract: A computer is programmed to determine an occupancy status of a vehicle based on received sensor data; and adjust a parameter of a powertrain of the vehicle in response to data indicating a critical condition of the powertrain based on the occupancy status. The parameter may be one of engine speed, cylinder deactivation, transmission-shift time, and shift schedule.

Abstract: A continuously variable transmission in which a circular driver, positioned between and frictionally engaged with op posing surfaces of two oppositely rotatable disks, which are urged towards each other with a biasing mechanism, is mounted to, and is movable axially along, a drive shaft which extends radially from an input shaft which rotates the drive shaft about a longitudinal axis of the input shaft, and wherein output drive is taken from the disks via a speed balancing system.

Abstract: Disclosed herein are systems, gearing assemblies and methods for controlling a differential rotation rate between shafts of a vehicle using a variable speed reversible motor. An embodiment includes a gearing assembly including a differential configured to engage a first axle shaft, a second axle shaft, and a drive shaft of a vehicle. The gearing assembly further includes a first plurality of alignment gears and a second plurality of adjustment gears configured to engage the differential, configured to be driven by a variable speed reversible motor of the vehicle, and configured to controllably alter a rotation rate of a first axle shaft relative to a rotation rate of the second axle shaft based on rotation produced by the variable speed reversible motor.

Abstract: A torque limiting clutch assembly is provided that is mounted between the motor housing and the ring gear of a planetary gear assembly. During normal operation, the clutch assembly prevents rotation of the ring gear relative to the motor housing. In the event of a severe loading condition, the clutch assembly slips, thereby preventing excessive torque from being applied to the drive train and potentially damaging one or more drive train components.

Abstract: A transfer coupling includes a static component and a rotatable component arranged concentrically, the static component including a first number of radially extending ports and the rotatable component having a second number of radially extending ports the radially extending ports arranged in a common circumferential plane wherein the ports are configured and arranged, in use, to homogenise a flow area for a fluid being transferred through the ports and thereby create a homogenous volume flow.

Abstract: A transmission for an electric vehicle, may include a concentric deceleration device for receiving power from a motor shaft and for decelerating; an output shaft disposed in parallel with the input shaft; a hollow shaft rotatably provided on the input shaft; a clutch device provided to switch the transmission state of power from the input shaft to the hollow shaft; a first synchronizer having a hub fixed to the input shaft; a second synchronizer having a hub fixed to the hollow shaft; a plurality of driving gears having different sizes and provided on the input shaft and the hollow shaft to be engaged with at least one of the first synchronizer and the second synchronizer; and a plurality of driven gears provided on the output shaft to be engaged with the plurality of driving gears to form different shift ratios, respectively.

Abstract: A planetary gear device for a turbomachine includes a planetary carrier and planetary wheel arranged in an axial direction between two planetary carrier areas connected to a support appliance, with the planetary wheel rotatably mounted on the support appliance. On outer sides facing away from the planetary wheel, the planetary carrier areas include cone surfaces that enclose connection areas with the support appliance, with diameters decreasing with increasing axial distance from the planetary wheel. Cone surfaces of a tensioning appliance radially enclose and are respectively adjusted thereto and act together such that a force that respectively results from an axial tensioning force of the tensioning appliance applied on the cone surfaces of the planetary carrier areas is applied at the connection areas between the support appliance and the planetary carrier areas. The tensioning appliance cone surfaces operatively connect via a coupling element.

Abstract: A method of operating a vehicle having an engine, a throttle valve and a throttle operator. A continuously variable transmission is operatively connected to the engine and has a driving pulley, a driven pulley, and a belt operatively connecting therebetween. At least one ground engaging member is operatively connected to the driven pulley and includes at least one of a wheel and a track. A piston is operatively connected to the driving pulley for applying a piston force to the driving pulley when actuated and thereby changing an effective diameter of the driving pulley. A control unit controls actuation of the piston and the piston force. The method includes determining an engine speed, and controlling the piston force based on the engine speed.

Abstract: A power transmission apparatus configured for a vehicle, may include a motor/generator including a motor shaft a first input shaft selectively connectable to the motor shaft, a second input shaft externally disposed with the first input shaft and selectively connectable to the motor shaft, a third input shaft externally disposed with the second input shaft and selectively connectable to the motor shaft, a first torque mediating shaft formed as a hollow shaft and coaxially and externally disposed with the first input shaft without rotational interference therebetween, an intermediate shaft parallel with the first input shaft, a first shifting section receiving a torque and outputting the shifted torque, and a second shifting section including a first planetary gear set selectively receiving the torques from the first shifting section and the third input shaft, respectively, and outputting shifted torque through one gear set.

Abstract: A shifting control apparatus for a human powered vehicle comprises a position sensor and a transmission controller. The position sensor is configured to sense a rotational position of a plurality of sprockets relative to a rotational reference position. The transmission controller is configured to control a derailleur to move a chain guide of the derailleur relative to the plurality of sprockets in a shifting operation. The transmission controller is configured to change at least one of a speed relating to a movement of the chain guide, a start timing relating to the movement of the chain guide, and a distance relating to the movement of the chain guide based on a target shifting-operation position of the plurality of sprockets, and the rotational position sensed as an actual shifting-operation position by the position sensor at an actual timing of the shifting operation.

Abstract: A control system for hybrid vehicle that can limit damage on a battery resulting from cranking of an engine. the controller is configured to shift an operating mode from an EV-Lo mode to an EV-Hi mode if a peak power applied to a battery during shifting the operating mode from the EV-Lo mode to the EV-Hi mode is expected to exceed an upper limit input power to the battery.

Abstract: A method for controlling a gearbox (2) that includes a main gearbox (6) provided with a splitter shaft (16) and a main shaft (14), connectable to a power source (4). The splitter shaft (16) is connected to a lay shaft (22) by at least a first and a second splitter gear pair (42, 45). The main shaft (14) is connected to a lay shaft (22) by at least a first gear pair (60). The method includes a) preparing a shifting of gear in the gearbox (2) by transferring essentially the same speed and torque between the splitter and the main shafts (16, 14), and b) shifting gear in the gearbox (2).