Abstract: A method for controlling the transmission of a working machine, by which, with at least one sensor of the working machine, at least one specific parameter is determined and transmitted to a control unit for controlling the transmission. The working machine has a lifting mechanism and the at least one specific parameter which characterizes an actuation condition of the lifting mechanism. A predetermined shifting strategy is adapted, by the method, as a function of the at least one specific parameter.

Abstract: A gas turbine engine may include a high speed spool, a low speed spool, a first epicyclic gear system, and a second epicyclic gear system. Generally, the high speed spool mechanically connects a high pressure turbine to a high pressure compressor, and the low speed spool mechanically connects a low pressure turbine to at least one of a fan and a prop via the first epicyclic gear system and to a low pressure compressor via the second epicyclic gear system, according to various embodiments. The first epicyclic gear system and the second epicyclic gear system may include a common sun gear shaft.

Abstract: A vehicle driving apparatus includes axle housings to which a differential-side housing is coupled, the axle housings integrally housing drive shafts of driving wheels, first support sections that couple first rotary support shafts coupled to a vehicle body and the axle housings and perform a swing motion with the first rotary support shafts as a rotation center to thereby support the axle housings on the vehicle body, and second support sections that elastically couple second rotary support shafts supported on the vehicle body via rail structures and a motor-side housing and perform a swing motion with the second rotary support shafts as a rotation center to thereby support the motor-side housing on the vehicle body. The rail structures are configured such that the second rotary support shafts are movable in a vehicle front-rear direction.

Abstract: The invention relates to a transmission (100) for a hybrid drive arrangement which can be coupled to two drive assemblies (7, 8), comprising an input shaft (10), and an output shaft (11), at least one first, second, third and fourth shifting element (SE1, SE2, SE3, SE4), and at least one first planetary gear (5) and one second planetary gear (6). The input shaft (10) can be coupled to the ring gear planet carrier of the first planetary gear (5) by means of the first shifting element (SE1) and the output shaft (11) is coupled to the planet carrier of the first planetary gear (5). The planet carrier of the first planetary gear (5) can be coupled to the ring gear of the second planetary gear (6) by means of the second shifting element (SE2) and the planet carrier of the first planetary gear (5) can be coupled to the sun gear of the second planetary gear (6) by means of the third shifting element (SE3).

Abstract: A torque reduction system for an epicyclic gearing system, comprising: a power source; a sun gear connected to the power source; planetary gears in communication with the sun gear; a ring gear in communication with the planetary gears; and at least one linkage arm connected to the ring gear and a housing.

Abstract: An axle assembly having an axle housing, an electric motor module, and a countershaft transmission module. The axle housing may have a first mounting flange and a second mounting flange. The electric motor module may be mounted to the first mounting flange. The countershaft transmission module may be mounted to the second mounting flange.

Abstract: In an electrified transmission, motor leads are electrically connected to inverter leads by being squeezed between a compressible limiter on a terminal base and a prong of a cover plate. Several such connection are accomplished by installation of the cover to an inverter housing. This method reduces the number of assembly steps and is more robust to variations in the positions of the leads. The terminal base may be part of an inverter module within the inverter housing.

Abstract: A drive device for a vehicle axle, especially a rear axle, of a two-track vehicle, wherein the vehicle axle includes an axle differential, which can be connected at the input end to a primary drive machine and can be connected at the output end across flange shafts arranged on either side to vehicle wheels of the vehicle axle, wherein the vehicle axle is associated with an additional drive machine and a shiftable superimposing gear, which can be shifted to a torque distribution gear in which a drive torque is generated by the additional drive machine, a torque distribution on the two vehicle wheels can be changed depending on the magnitude and direction of rotation of the drive torque, and shifting can be done to a hybrid mode in which the drive torque generated by the additional drive machine can be coupled to both flange shafts of the vehicle wheels.

Abstract: The invention relates to a method for controlling a turbocharger system (10) fluidly connected to an exhaust manifold (102) of a combustion engine (100) in a vehicle (800). The turbocharger system (10) comprises a turbocharger turbine (22) operable by exhaust gases from the exhaust manifold, and a tank (40) with pressurized gas. The tank is fluidly connectable to the turbocharger turbine. The method comprises the steps of: predicting the coming drive conditions of the vehicle, injecting pressurized gas from the tank to drive the turbocharger turbine such that the turbocharger turbine is at least partly driven by the pressurized gas, in response to the predicted drive conditions, and/or charging the tank with pressurized gas in response to the predicted drive conditions, wherein the predicted drive conditions are indicative of the need for injection of pressurized gas from the tank.

Abstract: The invention relates to a transmission (100) for a hybrid drive arrangement which can be coupled to two drive assemblies (7, 8), comprising an input shaft (10), and an output shaft (11), at least one first, second and third shifting element (SE1, SE2, SE3), at least one double planetary gear (5). The input shaft (10) can be coupled to the planet carrier of the double planetary gear (5) by means of the first shifting element (SE1), and the input shaft (10) can be coupled to the ring gear of the double planetary gear (5) by means of the second shifting element (SE2) and the input shaft (10) can be coupled to the first sun gear of the double planetary gear (5) by means of the third shifting element (SE3) and the output shaft (11) is coupled to the planet carrier of the double planetary gear (5).

Abstract: A planet-carrier for a mechanical reduction gear of a turbine engine, in particular of an aircraft, this planet-carrier having a rotation axis and comprising axes for guiding the planet gears that are arranged around and parallel with the rotation axis, each guiding axis having a general tubular shape of which the outer periphery comprises only two coaxial and adjacent cylindrical tracks of the respective rollers of two annular rows of rollers, wherein each axis has an inner periphery that is substantially bi-conical and comprising two coaxial and adjacent frustoconical surfaces, these inner frustoconical surfaces converging towards one another and extending respectively radially inside the tracks.

Abstract: A transmission arrangement for a hybrid vehicle, in which a connection for an internal combustion engine, a connection for an electric machine, and a transmission part are arranged in a manner able to be coupled to each other. The transmission part comprises a simple Ravigneaux planetary gear set with two planetary gears (PG1, PG2) and a single ring gear. The ring gear is coupled to a spur and bevel gear transmission (KT), which forms a power takeoff of the transmission arrangement. The transmission part furthermore comprises two brakes (B1, B2) and two clutches (K1, K2) as force-locking shifting elements.

Abstract: The invention relates to a method of detecting a change in the direction of rotation of a rotatable shaft (5) based on non-direction sensitive rotational speed data, the method comprising the steps: ?determining a speed (17) of a rotatable shaft (5) of a vehicle transmission (3) based on non-direction sensitive speed data received from a non-direction sensitive rotational speed sensor (7), wherein the speed (17) of the rotatable shaft (5) is the absolute value of the rotational speed of the rotatable shaft (5); ?determining, based on the speed (17) of the rotatable shaft (5), if the duration of a first continuous time interval (20) during which the speed (17) of the rotatable shaft (5) is continually smaller than a first predetermined speed value (18) is shorter than a predetermined duration (24); and ?detecting that a change in the direction of rotation of the rotatable shaft (5) has occurred during the first continuous time interval (20) if the duration of the first continuous time interval (20) is shorter

Abstract: A turbomachine dual spool transmission system can include a direct drive assembly configured to selectively allow bypassing of a dual spool differential combination output to allow selective direct engagement of a low pressure spool to directly drive a rotational member or to be directly driven by the rotational member. The system can include the dual spool differential. The dual spool differential can include a gear assembly configured to combine a low pressure spool input and a high pressure spool input into a combination output to provide an output speed range smaller than a low pressure speed range alone.

Abstract: A control system for a four-wheel drive vehicle configured to improve energy efficiency by avoiding selection of a four-wheel drive mode more than necessary. The control system comprises a controller that shifts an operating mode between a two-wheel drive mode and a four-wheel drive mode. When a control of the prime mover is terminated, the controller detects the operating mode selected by a switch before restarting the control of the prime mover. If the two-wheel drive mode or the four-wheel drive mode was selected by the switch before restarting the control of the prime mover, the controller selects the two-wheel drive mode when restarting the control of the prime mover.

Abstract: The invention relates to a transmission (100) for a hybrid drive arrangement which can be coupled to two drive assemblies (7, 8), comprising an input shaft (10), and an output shaft (11), at least one first, second and third shifting element (SE1, SE2, SE3), and at least one first planetary gear (5). The input shaft (10) can be coupled to a first transmission shaft (16) by means of the first shifting element (SE1). The first transmission shaft (16) can be coupled to the sun gear of the planetary gear (5) by means of the second shifting element (SE2) and the ring gear of the planetary gear (5) is coupled to the first transmission shaft (16). The input shaft (10) can be coupled to the sun gear of the planetary gear (5) by means of the third shifting element (SE3). The output shaft (11) is coupled to the planet carrier of the planetary gear (5).

Abstract: The invention relates to a gear train unit, comprising a plurality of planetary gear train stages, which are connected one after the other and which each comprise a ring gear, a sun gear, and a plurality of planet gears supported on a planet carrier, wherein the sun gear of each following planetary gear train stage is formed by the planet carrier of the preceding planetary gear train stage. The gear train unit comprises a driving element, which forms the sun gear of the first planetary gear train stage, and an output element, which forms the planet carrier of the last of the gear planetary gear train stages connected one after the other.

Abstract: A power transmission apparatus for a vehicle may include a first input shaft fixedly connected to an engine output shaft, a second input shaft coaxial with the first input shaft a third input shaft coaxial with the second input shaft, an intermediate shaft and at least one output shaft, a planetary gear set mounted on an axis of the intermediate shaft, a plurality of gear sets, each of which allows at least one torque flow between the intermediate shaft, the first, second, and third input shafts, the output shaft and the planetary gear set, a first synchronizer mounted on the output shaft, selectively receiving a torque from the second input shaft, a second synchronizer mounted on the output shaft, selectively receiving a torque from the third input shaft through two paths, and transmitting the received torque to the output shaft, and four clutches each of which facilitating selective connection.

Abstract: A planet carrier for an epicyclic gearbox, the planet carrier comprising: a single piece carrier body arranged to support a plurality of gears of the epicyclic gearbox; and an opening in a wall of the carrier body; wherein: in a cross-section of the carrier body in a plane that is orthogonal to the longitudinal axis of the carrier body and at a longitudinal position along the carrier body that does not comprise the opening, the carrier body is substantially annular; and the opening is arranged such that the gears that the carrier body is arranged to support can be passed entirely through the opening.

Abstract: A control device that includes an electronic control unit that is configured to perform, when specific control that causes a change in a state of a hydraulic circuit in the hydraulic control device that involves an increase in hydraulic pressure at the discharge port is performed in a state in which a rotational speed of the electric motor is a first rotational speed, torque increase control that controls drive of the electric motor such that torque of the electric motor starts to increase before hydraulic pressure at the discharge port increases by the specific control.