Patent classifications
F16H2200/0086
Transmission multi-speed adder
A multiple speed transmission includes an input shaft, an output shaft, a first planetary gearset having a first member, a second member, and a third member, and a second planetary gearset having a first member, a reaction member, a second member, and a third member. The transmission also includes a plurality of interconnecting members each connected between at least one of the first and second planetary gearsets and at least another of the first and second planetary gearsets. The transmission includes a plurality of torque-transmitting mechanisms which are selectively engageable in combinations of at least two to establish between seven and nine forward speed ratios and between two and four reverse speed ratios between the input shaft and the output shaft.
AUTOMATIC TRANSMISSION
A transmission having planetary gearsets (RS1, RS2, RS3, RS4, RS5). Elements (ST2, ST4) of gearsets (RS2, RS4) form input and output shafts, respectively. Element (SO1) of gearset (RS1) couples element (HO5) of gearset (RS5) and can be immobilized by shift element (A). Element (ST1) of gearset (RS1) couples element (HO4) of gearset (RS4). Element (HO1) of gearset (RS1) can be immobilized by shift element (B). Elements (SO4, ST2) of gearsets (RS4 RS2) can connect by shift element (C). Elements (HO2, SO3, SO5) of gearsets (RS2, RS3, RS5) couple and can couple element (SO4) of gearset (RS4) by shift element (E). An element of gearset (RS4) is connected to an element of gearset (RS3), while another element of gearset (RS4) can be connected by shift element (D) to another element of gearset (RS3). Elements (SO2 ST5) of gearsets (RS2, RS5) are connected and can be immobilized by shift element (F).
Transmission system for machine
A transmission system for a machine is coupled to an engine of the machine that is adapted to generate power. The transmission system includes a hydraulic power path including a variator coupled to the engine. The transmission system also includes a mechanical power path. The mechanical power path includes a first gear arrangement including a plurality of gears. The mechanical power path also includes a second gear arrangement including a plurality of gears. The second gear arrangement is coupled with the first gear arrangement to receive the variable rotational power from the first gear arrangement. The mechanical power path further includes a first clutch assembly and a second clutch assembly. Further, the second gear arrangement directs the variable rotational power received from the first gear arrangement towards a final output member of the machine in a selected direction.
CONTROL DEVICE
A control device with an electronic control unit that is configured to perform specific supply control, the specific supply control driving at least one of the rotating electrical machine and the internal combustion engine in a neutral state, and supplying hydraulic pressure to an engagement operating part of a target engagement device with at least one of the rotating electrical machine and the internal combustion engine being driven, the automatic transmission not transmitting power in the neutral state, and the target engagement device being one of the plurality of transmission engagement devices.
Vehicle drive apparatus
A vehicle drive apparatus includes: a sleeve including a first peripheral surface provided side by side with a spline; a connecting member including a groove provided side by side with a spline in spline engagement with the spline, recessed radially relative to the first peripheral surface, and including a bottom surface that serves as a second peripheral surface facing the first peripheral surface; and a tolerance ring disposed in the groove so as to exert a radial elastic force between the sleeve and the connecting member.
Six-speed front-transverse double-clutch transmission with third counter shaft
A transmission where a first shaft is rotationally fixable to a third shaft and to a second shaft, the second and third shafts are rotationally connectable to a fourth shaft, the second shaft is rotationally connectable to a fifth shaft, the fourth shaft is rotationally connectable to the fifth shaft, the third shaft is rotationally connectable to the fifth shaft, fixed gears of the fourth and fifth shafts are rotationally connected to a drive output, a first gearwheel of the sixth shaft meshes with a fixed gear of the second shaft, and a second gearwheel of the sixth shaft meshes with a fixed gear of the third shaft. Moreover, a first gearwheel of the sixth shaft is an idler gear and a second gearwheel of the sixth shaft is a fixed gear, or vice versa. Additionally, the idler gear of the sixth shaft is rotationally fixable to the sixth shaft.
Multispeed transmission
A multi-speed transmission has drive and output shafts, three front-mounted and two rear-mounted planetary gear sets, and shift elements which can be engaged to selectively implement at least eleven forward gears and one reverse gear. The front gear sets are connected to one element of the rear gear sets. Five shift elements are assigned to the front gear sets and two are assigned to the rear gear sets, such that the front gear sets transmit seven output speeds to the rear gear sets. If normalized to the input speed of the drive shaft, at least one output speed of the front gear sets is less than 0, one output speed is greater than 1, one output speed is equal to 0, one output speed is equal to 1 and two output speeds are between 0 and 1.
Automatic transmission
An automatic transmission includes a main transmission and an auxiliary transmission. The auxiliary transmission includes an auxiliary-transmission-side planetary gear mechanism, a first clutch, and a second clutch. The auxiliary-transmission-side planetary gear mechanism is provided between a pair of main-transmission-side planetary gear mechanisms, and a part of the auxiliary-transmission-side planetary gear mechanism is located within the main transmission. The first clutch fixes rotation of a sun gear of the auxiliary-transmission-side planetary gear mechanism. The second clutch connects a ring gear of the auxiliary-transmission-side planetary gear mechanism with the sun gear.
SHIFT GROUP FOR POWER SHIFT TRANSMISSION
A shift group for a power shift transmission includes a branching unit having a planetary stage and a branching coupling assigned to the planetary stage. The branching unit is designed such that a mechanical power is transmitted from a first shaft to a second shaft. A first power path and a second power path are provided. In a first shifting state, the power is transmitted via the first or the second power path, and in a second shifting state, the power is transmitted via both the first and the second power paths. The shift group also includes individually shiftable transmission units each comprising a different transmission ratio, where a first transmission unit is disposed in the first power path and a second and a third transmission unit are disposed in the second power path.
TRANSMISSION SYSTEM FOR MACHINE
A transmission system for a machine is coupled to an engine of the machine that is adapted to generate power. The transmission system includes a hydraulic power path including a variator coupled to the engine. The transmission system also includes a mechanical power path. The mechanical power path includes a first gear arrangement including a plurality of gears. The mechanical power path also includes a second gear arrangement including a plurality of gears. The second gear arrangement is coupled with the first gear arrangement to receive the variable rotational power from the first gear arrangement. The mechanical power path further includes a first clutch assembly and a second clutch assembly. Further, the second gear arrangement directs the variable rotational power received from the first gear arrangement towards a final output member of the machine in a selected direction.