Abstract: A transmission unit, especially a multirange transmission, includes two superposition gears that are embodied as triple-shaft planetary gears, a continuously variable transmission in the form of a traction gear, and a way for controlling the transmission ratio on the traction gear. The individual superposition gears and the continuously variable transmission are coupled to each other via one respective connecting gear. The second shaft of the first superposition gear and a shaft of the second superposition gear can be alternatively joined to the gear output via a shiftable clutch. The second shaft of the first superposition gear can be connected in a torsion-proof manner to the third shaft of the second superposition gear. The first shaft of the second superposition gear is joined to a shaft of the first superposition gear via another shifting clutch.

Abstract: A transmission is provided having an input member, an output member, three planetary gear sets, four external co-planar gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.

Abstract: The invention relates to a planetary gearbox comprising a drive shaft (1) and a driven shaft (2), which are mounted in a gearbox housing, and at least one first (4) and second (5) planetary stage. Furthermore, a single-piece gearbox housing casing (3) is provided, which encloses the first (4) and second (5) planetary stage and is closed at the end face via a housing cover (7). At least one separating wall (6) is arranged in the interior of the gearbox housing, said separating wall dividing the interior into two subchambers. Each subchamber accommodates a planetary stage. The planetary stages (4, 5) are connected to each other by a shaft that is guided through an opening in the separating wall. Ring gears (14, 24) of the planetary stages are fixed at the end face to the separating wall (6).

Abstract: A transmission is provided that includes a first compound planetary gear set and a second planetary gear set. An input member, an output member and the planetary gear sets are arranged coaxially with one another to define a first axis of rotation. A first and a second layshaft are arranged coaxially with one another to define a second axis of rotation. A first set of intermeshing gears transfer torque from the input member to the first layshaft. A second set of intermeshing gears transfer torque from the second layshaft to the second planetary gear set. Seven torque-transmitting mechanisms are engagable in different combinations to establish multiple forward speed ratios and a reverse speed ratio between the input member and the output member.

Abstract: A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.

Abstract: A heavy-duty transmission for the drive of a bowl-mill roller crushers, comprising a bevel gear stage (6; 7), a horizontal input drive shaft (5) and a vertical output drive shaft (8) and a multi stage planetary gearbox arrangement which is connected to the vertical output drive shaft (8) by a sun pinion (9) and is connectable to the grinding bowl of the roller mill by an output flange (3). Planetary wheels (10) engageable into the sun pinion (9) are placed on a first plane on a planetary wheel support (14) which is connected to the output flange (3). On a second plane, other planetary wheels (15) are arranged in such a way than the axes of rotation thereof are connected to a gear housing (2) and which are engageable into a ring gear (20) connected to the support of the planetary wheels (14) and are engaged into the sun pinion (19) of an intermediate gear wheel (17), which is also provided with a ring wheel (18) which gearing from outside into the planetary wheels (10) on the first plane.

Abstract: A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.

Abstract: A continuously variable transmission comprises a drive shaft which has first and second drive shafts and is provided with rotational power, a planetary gear unit which is meshed with the first drive gear of the drive shaft and has a sun gear secured to an output shaft, and a transmission which receives a portion of driving force to provide additional output. Interruption of power transmission when shifting is prevented. Also, since the construction of the continuously variable transmission is simplified to minimize the load generated due to a shifting operation, power loss resulting from shifting is reduced, and the manufacturing cost is decreased. In particular, since vibration and noise generated upon shifting are decreased, the continuously variable transmission can be widely applied, from a small power device such as a bicycle or a motorcycle to a large power transmission apparatus such as an industrial machine.

Abstract: The invention relates to a transmission unit (1), particularly multi-range transmission (2), comprising an input (E) and an output (A) and arranged between them a continuously variable transmission part (3) and a mechanical transmission part (4), comprising two three-shaft planetary gear sets (5, 6), each having a first (5.1, 6.1), second (5.2, 6.2) and third shaft (5.3, 6.3), wherein the first shafts of both planetary gear sets can be connected to the input and at least one second or third shaft of the respective planetary gear set can be non-rotatably connected to the output (A). The invention is characterized in that the planetary gear sets can be connected via two shiftable coupling units (K1, K2), which can be selectively and alternately actuated, to form a four-shaft planetary gear set and that the first coupling unit (K1) is arranged between the first shaft (6.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, the input shaft, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.

Abstract: A powershiftable multistage transmission (LMG) between an input shaft (an), which can be connected to a first transmission shaft (1), and an output shaft (ab=2) as a second transmission shaft, comprising two shaft-lines (WS1 and WS2) which are arranged in parallel in a transmission housing (0), three transfer gears (SG) between these shaft-lines, three planetary gears (PG) each with a sun gear (So), a ring gear (Ho) and a planet-carrier (Pt) with single planets, and a plurality, preferably five, shifting elements (SE). With only five shifting elements eight forward gears and one reverse gear can be switched. The six gear elements have ratios which can be designed easily even if the total ratio range is somewhere between 7<?ges<9. Due to the distribution of the gear elements on two shaft-lines, the transmission gearbox has a short length and is suitable for front-cross-applications as well as inline-applications. All shifting elements can be easily fed with oil to control them.

Abstract: A transfer case is provided utilizing dual planetary gearsets to provide a low gear ratio that can be engaged and disengaged on the fly without binding of gears. The transfer case provides an option for engaging the front, rear, both front and rear, or none of the wheels of a vehicle and is especially suited for off road vehicles such as rock crawlers.

Abstract: A control apparatus for a vehicular drive system provided with a continuously-variable transmission portion operable as an electrically controlled continuously variable transmission, and a step-variable transmission portion, the continuously-variable transmission portion having a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and a second electric motor disposed in a power transmitting path between the power transmitting member and a drive wheel of a vehicle, the control apparatus including a continuous-transmission control device including a first shifting control portion for controlling a speed ratio of the continuously-variable transmission portion, so as to prevent a change of a speed of the engine due to a change of an input speed of the step-variable transmission portion upon a shifting action of the step-variable transmission portion, and second shifting control portion for controlling the speed ratio of the continuously-v

Abstract: A power shift gear for motor vehicles with a first subgear that has a first planetary gear. The first planetary gear has at least one sun wheel, at least one ring gear, several planet wheels and at least one planet carrier. The at least one sun wheel has a toothing for engagement in toothings of planet wheels and with several speed clutches for the engagement and disengagement of speeds in the first subgear. The power shift gear includes a second subgear with several speed clutches for the engagement and disengagement of speeds in the second subgear. The second subgear is connected parallel to the first subgear. The speed clutches for the first subgear are arranged radially outside the toothing of at least one sun wheel of the first subgear.

Abstract: A vehicle drive unit control system. The vehicle includes a prime mover arranged on a power transmission route from a continuously variable transmission to a wheel, a clutch mechanism arranged on a first route from the prime mover to the wheel, and a shift range or shift position can be shifted selectively between a drive range or drive position where a power can be transmitted through the first route and a non-drive range or non-drive position where a power cannot be transmitted through the first route. The control system includes a vehicle speed control demand judging mechanism judging a vehicle speed control demand in case of shifting the shift range or shift position from the non-drive range or non-drive position to the drive range or drive position; and a prime mover controller controlling torque of the prime mover based on the judged vehicle speed control demand.

Abstract: A transmission for distributing a drive torque to two drive output shafts, with two planetary gearsets each having at least three shafts. A respective shaft of a planetary gearset is connected to a drive input shaft. Furthermore, one shaft of each planetary gearset constitutes one of the output shafts and in each case at least one further shaft of a planetary gearset is connected with a shaft of another planetary gearset. An operation-status-dependent torque of one shaft can be supported by the connection, depending on an operating status of the other shaft connected thereto, in such manner that when there is a rotation speed difference between the output shafts, a speed-difference-changing torque is applied to the planetary gearsets. Furthermore, a drive train is proposed, in which a drive torque from a drive-power-source is distributed variably in the longitudinal and transverse direction of the vehicle in an operation-status-dependent manner.

Abstract: A transmission is provided that utilizes three planetary gear sets and three layshaft gear sets, as well as four rotating-type clutches and one brake that are engagable in different combinations to provide eight forward speed ratios between an input member and an output member of the transmission. By combining features of a layshaft transmission with those of a planetary transmission, the low spin losses and packaging convenience typical of a layshaft transmission are available while still achieving the high torque capacity typical of a planetary transmission.

Abstract: A transmission is provided that combines first and second countershafts with a planetary gear set, and uses first and second head gear sets to provide ratio. Each of the countershafts supports gears in no more than five co-planar, intermeshing gear sets (and in most embodiments no more than four co-planar, intermeshing gear sets), thus minimizing the overall length of the countershafts. The transmission provides at least nine forward speed ratios and a reverse speed ratio and utilizes only eight torque-transmitting mechanisms.

Abstract: A multi-speed automatic transmission includes an input shaft, a first out put shaft having a first planetary gear set, and a second output shaft having a second planetary gear set. The shafts are in parallel with one another. The input shaft is engageable with the first ring gear and the second carrier. The first output shaft is engageable with the first carrier. The second output shaft is engageable with the second ring gear. The first and the second sun gears are engaged with an intermediate gear which can be held to a transmission case by a first brake arranged between the intermediate gear and the first and second planetary gear sets, and being connectable with the input shaft via the input drive gear and the first input driven gear. The second carrier can be held to the transmission case.

Abstract: A heavy-duty transmission for the drive of a bowl-mill roller crushers is disclosed, comprising a bevel gear stage (6; 7), a horizontal input drive shaft (5) and a vertical output drive shaft (8) and a multi stage planetary gearbox arrangement which is connected to the vertical output drive shaft (8) by a sun pinion (9) and is connectable to the grinding bowl of the roller mill by an output flange (3). Planetary wheels (10) engageable into the sun pinion (9) are placed on a first plane on a planetary wheel support (14) which is connected to the output flange (3). On a second plane, other planetary wheels (15) are arranged in such a way than the axes of rotation thereof are connected to a gear housing (2) and which are engageable into a ring gear (20) connected to the support of the planetary wheels (14) and are engaged into the sun pinion (19) of an intermediate gear wheel (17), which is also provided with a ring wheel (18) which gearing from outside into the planetary wheels (10) on the first plane.

Abstract: A multi-regime continuously variable ratio transmission system has coaxial system input and output shafts (16, 24), a continously variable ratio transmission unit (V) connected coaxially to the system input shaft (16) and having a coaxial variator output shaft (18) and a mixing epicyclic gear train (E1) having an input sun gear (S1) drivably connected to the variator ouput shaft (18), a planet carrier (C1) drivably connected to the system input shaft (16) and a planet gear (P1) mounted on the planet carrier ((C1). The planet gear (P1) drives a first intermediate output shaft (22) arranged coaxially with the system input shaft (16) and selectively connectable to the system output shaft via a first clutch (H) in high-regime operation of the transmission. The planet gear (P1) also provides the input for a second epicyclic gear train (E2) having an output (C2) which is selectively connectable to the system output shaft via a braking element (L) for low-regime operation of the transmission.

Abstract: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a rotatable output disc positioned adjacent to the balls opposite the input disc and in contact with each of the balls such that each of the balls makes three-point contact with the input disc, the output disc and the idler, and a rotatable cage adapted to maintain the axial and radial position of each of the balls, wherein the axes of the balls are oriented by the axial position of the idler.

Abstract: The transmission is constructed so that the rotation of the input shaft is outputted to the second transmission portion via the first intermediate output path and the second intermediate output path accelerated and rotated with respect to the first intermediate output path, and the first rotary element is selectively connected to the first driven gear via the first clutch and is selectively connected to the second driven gear via the third clutch, the second rotary element are selectively connected to the first driven gear via the second clutch and are selectively connected to the transmission case operating as a non-rotating member via the first brake, the third rotary element is connected to the output gear, the fourth rotary element is selectively connected to the transmission case via the second brake, and the fifth rotary element is selectively connected to the second driven gear via the fourth clutch.

Abstract: All power generating member for generating a torque needs a transmission for randomly controlling the torque. Most of current transmission utilizes the engagement of gears having different gear rates or frictions as a medium. The transmission according to the engagement of gears generates the transmission the transmission shock and the transmission utilizing the friction as a medium has a limit caused by the friction. In order to resolve the problems, it is suggested to construct elements which may move in position in gears to distribute the torque to a low speed line or a high speed gear line in the constant engagement state, thereby realizing the continuous speed change from the high speed to the low speed or vise versa. Such a continuously variable transmission is applicable to vehicles and heavy equipment utilizing an internal combustion engine as a power generating source and any other vehicles.

Abstract: A gearbox assembly, in particular for a wheel drive of a vehicle with a hydrostatic gearbox having, according to a first driving mode, the sun gear of the single planetary stage in effective interaction with a ring gear of the planetary stage via a first coupling, so that the output speed of the planetary stage is a linear function of the output speed of the hydrostatic gearbox and that, according to a second driving mode, the ring gear is in effective interaction with the hydrostatic gearbox, wherein, at the same time, the sun gear is in effective interaction with a gearbox input shaft via a second coupling so that as a consequence of power distribution, the speeds of the ring gear and the sun gear overlap.

Abstract: The present invention broadly comprises a transmission for a vehicle, including two dual planetary gearsets arranged to transmit torque, independent of each other, from an input shaft for the transmission to an output for the transmission. In a gear for the transmission, one of the dual gearsets is arranged to transmit the torque to the output and the other of the dual gearsets is arranged to be ungrounded. The transmission includes first and second brakes arranged to ground a respective portion of the dual planetary gearsets. In some aspects, the dual planetary gearsets each include a planetary gearset connected to a respective brake and the output, and switches arranged to control the connection of the gearsets to the first and second brakes. In some aspects, the dual gearsets each include a planetary gearset connectable to the input shaft and switching assemblies for the planetary gearsets.

Abstract: A powertrain includes a continuously variable transmission having a starting mechanism, a continuously variable unit (CVU), and a pair of planetary gear arrangements. The continuously variable transmission also includes a plurality of torque transmitting mechanisms which are selectively engageable in combinations of two to establish a reverse mode of operation between the starting mechanism and a transmission output shaft, a low direct mode of operation, an intermediate split mode of operation, and a high split mode of operation.

Abstract: A continuously variable transmission apparatus, has: an input shaft; a toroidal-type continuously variable transmission; a rotation transmission shaft; first, second and third planetary-gear-type transmissions; a first power transmission mechanism; a second power transmission mechanism; a third power transmission mechanism; and, a switching mechanism, wherein the second sun gear and one of the first and third sun gears are rotated together with the rotation transmission shaft to thereby execute the power transmission through the rotation transmission shaft and one of the first and second planetary-gear-type transmissions, and, in a state where the power transmission through the third planetary-gear-type transmission is cut off, in accordance with the control of the transmission ratio of the toroidal-type continuously variable transmission, the output shaft is stopped while the input shaft is rotating.

Abstract: A geared motor includes a rotor mounted rotatably to a motor housing and having an output shaft along a rotating axis, and a stator secured to the motor housing to surround the rotor. The stator has a plurality of angularly displaced core segments with wall areas confronting magnetic pole units on the rotor, and a plurality of windings wound respectively around the core segments to create a torque so as to drive the output shaft. A planetary gear assembly includes a sun wheel mounted on the output shaft, an annulus secured to the motor housing and having an internally toothed annular surface, and a planet wheel meshing with the toothed surface and the sun wheel. A rotary member is rotated by a speed reduction drive transmitted from the planet wheel about a transmitting axis aligned with the rotating axis.

Abstract: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a rotatable output disc positioned adjacent to the balls opposite the input disc and in contact with each of the balls such that each of the balls makes three-point contact with the input disc, the output disc and the idler, and a rotatable cage adapted to maintain the axial and radial position of each of the balls, wherein the axes of the balls are oriented by the axial position of the idler.

Abstract: The transmission 10 is constructed so that, in the first transmission portion 36, the rotation of the input shaft 16 is outputted to the second transmission portion 38 via the first intermediate output path M1 and the second intermediate output path M2 accelerated and rotated with respect to the first intermediate output path M1, and, in the second transmission portion 38, the first rotary element RE1 (S2 and S3) is selectively connected to the first driven gear CG1B via the first clutch C1 and is selectively connected to the second driven gear CG2B via the third clutch C3, the second rotary element RE2 (CA1 and CA2) are selectively connected to the first driven gear CG1B via the second clutch C2 and are selectively connected to the transmission case 12 operating as a non-rotating member via the first brake B1, the third rotary element RE3 (R1, R2 and CA3) is connected to the output gear 28 operating as an output rotating member, the fourth rotary element RE4 (S1) is selectively connected to the transmission

Abstract: To advance the pivotally supporting point of a swing arm on a vehicle body frame, the distance in the forward and backward direction between a crankshaft and a countershaft of a transmission is decreased as much as possible thereby making the length of the swing arm great and sufficiently absorb upward and downward oscillation of a rear wheel to achieve stabilization of the vehicle body. A countershaft is disposed below a main shaft of the transmission while a shift drum is disposed rearwardly of the main shaft, and a driving sprocket wheel for driving a rear wheel is provided on the countershaft. An internal combustion engine is disposed on the vehicle body frame such that a rear portion of a transmission is positioned above a pivotally supporting point of a swing arm.

Abstract: A continuously variable transmission apparatus, has: an input shaft; a toroidal-type continuously variable transmission; a rotation transmission shaft; first, second and third planetary-gear-type transmissions; a first power transmission mechanism; a second power transmission mechanism; a third power transmission mechanism; and, a switching mechanism, wherein the second sun gear and one of the first and third sun gears are rotated together with the rotation transmission shaft to thereby execute the power transmission through the rotation transmission shaft and one of the first and second planetary-gear-type transmissions, and, in a state where the power transmission through the third planetary-gear-type transmission is cut off, in accordance with the control of the transmission ratio of the toroidal-type continuously variable transmission, the output shaft is stopped while the input shaft is rotating.

Abstract: A radial type piston motor with a speed reducer capable of housing the speed reducer and the motor within width of a track shoe. For this purpose, in the radial type piston motor with a speed reducer: the speed reducer includes planetary gear trains of a plurality of stages; a hollow final shaft is integrally constructed in a motor case of the motor; at least a planetary gear train of one stage of the aforesaid planetary gear trains is placed in a hollow of the final shaft; and at least a final stage planetary gear train of the plurality of planetary gear trains is placed outside the final shaft.

Abstract: An automated multiple-gear transmission which includes a single planetary assembly having an annular gearwheel connected to a transmission output shaft, a first input shaft connected to one of the solar gearwheel or the planetary gearwheel web and a second input shaft connected to the other of the solar gearwheel and the planetary gearwheel web. A gearwheel assembly is connected from a transmission input shaft and includes a single countershaft and plurality of transmission ratio gearsets and a plurality of shift control elements for selectively connecting the first and second planetary assembly input shafts to the transmission ratio gearsets and a transmission housing.

Abstract: A multi-stage gearbox with a drive input shaft connected to a reduction planetary gear set, with a drive output shaft connected to a main planetary gear set, and with shift elements. An input speed of the drive input shaft can be transferred, by the engagement of at least seven forward gears to the drive output shaft, in such manner that to shift from one gear to the next-higher or next-lower gear, only one shift element is disengaged and another shift element is engaged. The reduction planetary gear set has an output shaft rotating at an output speed of the reduction planetary gear set. The main planetary gear set is connected to the drive input shaft. The main planetary gear set is connected to the output shaft of the reduction planetary gear set.

Abstract: A continuously variable transmission apparatus, has: an input shaft; a toroidal-type continuously variable transmission; a first rotation transmission shaft; a first planetary-gear-type transmission; a second planetary-gear-type transmission; a second rotation transmission shaft; an output shaft; a first power transmission mechanism; a second power transmission mechanism; and a switching mechanism, wherein, in a state where the power transmission through the first power transmission mechanism is allowed and the power transmission through the second power transmission mechanism is cut off, in accordance with the control of the transmission ratio of the toroidal-type continuously variable transmission, the output shaft be stopped while leaving the input shaft rotating.

Abstract: A transfer case for motor vehicles with off-the-road gear comprises a casing, an input shaft, a first output shaft, coaxial with the latter, a second output shaft, offset therefrom, a speed-reduction unit, a coupling unit and an offset drive. The speed-reduction unit comprises a central drive gearwheel, connected in a rotationally fixed manner to the input shaft, a central driven gearwheel and at least two intermediate transmissions, rotatable about spindles fixed to the casing, each with two intermediate gearwheels, one of which meshes with the central drive gearwheel and the other meshes with the central driven gearwheel, a first driven shaft, connected in a rotationally fixed manner to the central drive gearwheel, and a hollow second driven shaft, connected in a rotationally fixed manner to the central driven gearwheel, which driven shafts lead to a coupling unit.

Abstract: A multi-speed transmission with an input shaft (1) and an output shaft (2) with two spur gear speeds (ST1, ST2) that are connected tightly on the input side with the input shaft (1) and generate two output rotational speeds (n1, n2), with a main gearset that is connected with the output shaft (2) and is constructed as a two webbed four shaft transmission with two coupled, shiftable planetary gearsets (RS1, RS2) to which the output rotational speeds (n1, n2) of the spur gear speeds (ST1, ST2) are transferable through several shifting elements (A to E) through their selective closing to the clutch of at least six forward gears and can be shifted without group shifting. A total of six shifting elements (A to F) are provided. The output rotational speed (n1) of the first spur gear speed (ST1) is transferable through the sixth shifting element (F) to the second shaft of the main gearset, and at least eight forward gears and maximally two reverse gears are shiftable.

Abstract: A gearbox unit having an input and output, first and second superposition gears designed as three-shaft planetary gears wherein the first shafts of the first superposition gears are connected against torsion with the input on the second shafts of the superposition gears are connected and secured against torsion with the gear output. A variable change-speed gear is arranged between the third shafts of the superposition gears and a mechanism provided for controlling the speed ratio thereof. The first and second planet wheels of one of the superposition gears mesh in pairs with each other and one of the wheels meshes with the ring gear. The second planet wheel meshes with the first planet wheel and with the sun gear. The other of the two superposition gears has individual planet wheels between the respective sun wheel and ring gear.

Abstract: A CVT transmission for agricultural tractors which envisages equipment for continuous variation of the motion by means of an epicyclic gear train. In the CVT transmission the input of the motion from an engine occurs in a direction substantially that is parallel to an axis of longitudinal symmetry of the tractor, whilst the axes of a shafts, respectively, between which there takes place variation of the transmission ratio, are transverse with respect to the axis of longitudinal symmetry of the tractor.

Abstract: The second platenary gear mechanism 18 is a so-called double pinion type planetary gear comprising a sun gear 18a, paired pinions 18b, a carrier 18c which supports the pinions, and a ring gear 18d. The pinions 18b of eeach pair meshes with each other in a state where one of the paired pinions 18b meshes with the sun gear 18a while the other one of the paired pinions 18b meshes with the ring gear 18d. The carrier 18c is coupled to the countershaft 20 and the sun gear 18a is connected to a shaft 11a which is coupled to a gear 11b of a third gear unit 11.

Abstract: The apparatus is a 28 speed, two section, transmission that requires only a single clutch swap for most changeovers between adjacent ratios. It uses a first section with three close ratio forward speeds and one reverse along with a second section that is an 11 speed, wide ratio, transmission. The two transmission sections are arranged in series resulting at least 28 usable forward speeds. The second section includes an intermediate planetary gear set without a ring gear and an output planetary gear set that is a conventional simple planetary gear set with a two sun gears, two planes of planetary gears on a single carrier, and two ring gears.

Abstract: A branched power transmission whose transmission ratio is continuously variable and that includes two planetary transmissions, each having a sun gear, a planet gear, and a ring gear, and a speed change mechanism having a pair of driven shafts. One gear of the first planetary transmission is non-rotatably connected with an input shaft and provides a rotational connection between the input shaft and the driven shafts of the speed change mechanism. One gear of the second planetary transmission is non-rotatably connected with an output shaft and provides a rotational connection between the output shaft and the driven shafts of the speed change mechanism.

Abstract: In a variable-speed transmission arrangement, a continuously variable toroidal transmission and a planetary aggregating transmission are arranged in the power path between an input shaft and a coaxial output shaft. A central intermediate shaft is mounted to the input shaft for rotation therewith and to an input disc of the toroidal transmission. A planet carrier is connected firmly to the central intermediate shaft which passes through a concentric intermediate shaft, to which an output disc of the toroidal transmission and a second transmission member of the output transmission are connected. A third transmission member of the aggregating transmission is connectable to the output shaft, by means of a first clutch in a low mode, and a fourth transmission member of the aggregating transmission is connectable to the output shaft by means of a second clutch in an upper driving mode.

Abstract: A three-speed transfer case for providing a direct drive connection between the input shaft and the output shafts, a low-range drive connection and an ultra low-range drive connection. The ability to choose between the distinct speed ratio drive connections permits the vehicle operator to best match the road conditions or off-road terrain to the tractive requirements of the motor vehicle.

Abstract: A multi-gear, manual transmission, especially for utility vehicles, with at least partially automatized gear shifting or with a manual gear shift, in which the gear synchronization is carried out by motor guidance and wherein the transmission possesses a forward shift-group, a main-shift-group and a post shift-group, whereby the pre-shift-group is designed as a planetary gear set (2P) and a support member of the planetary gear set is constructed as a friction brake, which is active in the slow gear-shift position and thereby assumes the function of a start-up clutch.

Abstract: A vehicle transmission is provided that includes an input shaft, a countershaft, and an output shaft. A plurality of clutches and gears are operatively disposed on the input shaft, countershaft, and output shaft. At least one of the clutches disposed on the input shaft is identical to at least one of the clutches disposed on the countershaft and to at least one of the clutches disposed on the output shaft.

Abstract: A drive system with the capability for providing continuously variable and differential outputs is provided. The drive system may include a power source system and first, second, and third variable drive units coupled to the power source system. The drive system may also include first and second planetary gear assemblies, each planetary gear assembly including a sun gear, a ring gear, a carrier, and a plurality of planetary elements. The first variable drive unit may be mechanically coupled to the first planetary gear assembly. The second variable drive unit may be mechanically coupled to the second planetary gear assembly. The third variable drive unit may be mechanically coupled to the first planetary gear assembly and to the second planetary gear assembly. The drive system may also include first and second output shafts coupled, respectively, to the first and second planetary gear assemblies.