Abstract: A motor vehicle transmission having a planetary gear system with three coaxially arranged gearsets (RS1, RS2, RS3) coupled to one another. The first gearset (RS1) includes a first sun gear (SR1), a first planet carrier (ST1) and a first ring gear (HR1). The second gearset (RS2) includes a second sun gear (SR2), a second planet carrier (ST2) and a second ring gear (HR2), and the third gearset (RS3) includes a third sun gear (SR3), a third planet carrier (ST3) and a third ring gear (HR3). The second and third gearsets (RS2, RS3) have the same stationary gear ratio and the second and third sun gears (SR2, SR3) are arranged in a rotationally fixed manner on a common driveshaft (AW). The second and third sun gears (SR2, SR3) are made integrally with the driveshaft (AW).

Abstract: A bicycle internal transmission hub is provided that can be easily coupled to a bicycle body. The bicycle internal transmission hub includes a hub shell, a shifting unit, and an electric actuator. The hub shell defines an accommodation cavity. The shifting unit is located in the accommodation cavity, and is configured to select one speed stage from a plurality of speed stages. The electric actuator is located in the accommodation cavity to drive the shifting unit.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have four planetary gearsets and six selective couplers. The six selective couplers may include four clutches and two brakes.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have four planetary gearsets and six selective couplers. The six selective couplers may include four clutches and two brakes.

Abstract: The present disclosure provides a multiple speed transmission having an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. Each of the plurality of planetary gearsets includes a sun gear, a ring gear, and a carrier member with pinion gears. The input member is selectively interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least ten forward speeds and one reverse speed are achieved by the selective engagement of the plurality of torque-transmitting mechanisms.

Abstract: A two-speed transfer case configured for use in heavy-duty four-wheel drive vehicles and which is equipped with a low-torque power transfer arrangement and a high-torque power transfer arrangement.

Abstract: A bicycle transmission is basically provided with an input gear a plurality of second rotating bodies, a second shaft and a clutch mechanism. The input gear receives a drive force. The rotation of the input gear is transmitted the second rotating bodies. The second shaft is coaxially provided with a plurality of second rotating bodies and rotatably supports the second rotating bodies. The clutch mechanism is provided with a control shaft disposed inside the second shaft and which is rotatable relative to the second shaft. The clutch mechanism switches the coupling state between the second rotating bodies and the second shaft by rotating the control shaft relative to the second shaft. The clutch mechanism rotates the control shaft by transmitting the drive force that is applied to the input gear to the control shaft.

Abstract: A planetary gear train of an automatic transmission includes an input shaft, an output shaft, and first to fourth planetary gear sets respectively including first to third, fourth to sixth, seventh to ninth, and tenth to twelfth rotating elements, wherein the input shaft and the second rotating element, the output shaft and the eleventh rotating element, the first and sixth rotating elements, the first and eighth rotating elements, the seventh and eleventh rotating elements, and the ninth and tenth rotating elements are fixedly interconnected, and the output shaft is selectively connected with the third rotating element, and achieves ten forward speeds and one reverse speed by selectively operating three control elements among seven control elements.

Abstract: The transmission with nine forward and one reverse gear includes four planetary gearsets, eight shafts and six shifting elements, the sun gear of gearset (P1) couples shaft (4) which can couple brake (04) to the housing. The input shaft can couple, via clutch (13), shaft (03) which is couples the carrier of gearset (P1) and the ring gear of gearset (P4) and can couple, via brake (03), the housing. The input shaft can couple, via clutch (16), shaft (6) which couples the ring gears of gearsets (P2, P3) and can couple, via clutch (17), shaft (7) which couples the sun gear of gearset (P2) and the ring gear of gearset (P1). Shaft (8) couples the carriers of gearsets (P2, P4). Shaft (5) couples the sun gears of gearsets (P3, P4) and can couple, via brake (05), the housing. The output shaft couples the carrier of gearset (P3).

Abstract: A method for operating an automatic transmission is provided. The method includes synchronizing a first positive shifting element of the at least one positive shifting element with a first process, a second process or a third process depending upon an input speed and/or an output speed of the automatic transmission. The first process, the second process and the third process can provide smooth and/or satisfactory shifting of the first positive shifting element at various input speeds and output speeds of the automatic transmission.

Abstract: A transmission assembly for use in a motor vehicle is provided. The transmission assembly has a case for housing components of the transmission and an electromechanical device operable to convert mechanical energy to electrical energy. The electromechanical device is disposed within the transmission case. The case may have a main housing portion and a bell housing portion, with the electromechanical device housed in the main housing portion, in some variations. A transmission shaft may be rotatably supported within the case and configured to be connected to an engine of the motor vehicle. A connecting device may continuously interconnect the electromechanical device with the transmission shaft.

Abstract: A transmission includes an input member, an output member, four planetary gear sets, and a plurality of torque transmitting mechanisms that are selectively engageable to establish at least ten forward speed ratios and at least one reverse speed ratio between the input member and the output member. The transmission further includes one or more locking mechanisms that engage one or more of the plurality of torque transmitting mechanisms during a start/stop event.

Abstract: A clutch assembly is disclosed that combines a positively engaging dog clutch and one way clutch. The two devices are design such that the one way clutch never interferes with the engagement or disengagement of the dog clutch. In one embodiment, the one way clutch transmits torque in particular rotational positions and the dog teeth are circumferentially placed such that they do not engage in any of these positions. In another embodiment, the dog clutch piston, to which the teeth are secured, is permitted to rotate enough to accommodate any interference between dog teeth during engagement. In either embodiment, the teeth faces that transmit torque in the same direction as the one way clutch may be angled such that torque in that direction tends to disengage the dog clutch.

Abstract: A transmission gearing arrangement has four simple planetary gear sets and five or six shift elements. One embodiment has two brakes and three clutches and produces eight speeds by selective engagement of various combinations of three of the shift elements. A second embodiment has two brakes and four clutches and produces nine speeds by selective engagement of various combinations of four of the shift elements. A third embodiment has two brakes and four clutches and produces ten speeds by selective engagement of various combinations of four of the shift elements.

Abstract: A transmission is provided having an input member, an output member, at least four planetary 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. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and at least one reverse gear ratio.

Abstract: A transmission is provided having an input member, an output member, four planetary 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. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.

Abstract: A transmission has an input member, an output member, at least four planetary 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. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and one reverse gear ratio.

Abstract: A family of transmission gearing arrangements provides a plurality of forward speed ratios and one or more reverse speed ratios by selective engagement of shift elements in various combinations. Three simple planetary gear sets are located on the input axis. One of the simple planetary gear sets may have either a split-ring arrangement in which two ring gears are provided with one carrier and one sun gear, or a split-sun arrangement in which two sun gears are provided with one carrier and one ring gear.

Abstract: A multiple clutch module for an automatic transmission integrates at least two multi-plate wet clutches into a single module. Each of the clutches includes a set of separator plates interleaved with at least one friction plate and a piston configured to compress the separators plates and friction plates. The separator plates of the first clutch are splined to a housing along their inner diameter whereas the separator plates of the second clutch are splined to the housing along their outer diameter. Each piston is associated with an apply chamber and a balance chamber radially inside the respective separator plates and friction plates. The housing rotates about a central shaft. Pressurized fluid is supplied to the clutches from the shaft. The first and second balance chambers are connected by a passageway within the housing such that they can be supplied with fluid from a common orifice in the housing.

Abstract: A transmission is provided having an input member, an output member, at least three planetary 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. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio.

Abstract: A hoisting device including a cable drum, a first motor, a second motor and a gear assembly is provided. The gear assembly includes a first epicyclic and a second epicyclic. The first epicyclic includes a first carrier rotationally connected to the cable drum, a first sun rotationally connected to the first motor, a first annulus, and a first planet in meshing engagement with the first sun and the first annulus. The second epicyclic includes a second carrier rotationally grounded, a second sun rotationally connected to the second motor, a second annulus connected to the first annulus, and a second planet in meshing engagement with the second sun and the second annulus.

Abstract: A transmission comprising a transmission (7) and a reduction stage. Sun of set (P1) is connected to the input (1), which can be releasably connected, via clutch (A), to shaft (6) connected to sun of set (P2) and sun of set (P3), and, via clutch (B), is connectable to shaft (5) connected to carrier of set (P2) and ring of set (P3). Shaft (5) is coupled to housing (G) via brake (F). Carrier of set (P1) is connected to shaft (4) connected with ring of set (P2) and is couplable, via brake (E), to housing (G). Ring of set (P1) is connected to shaft (3) which is couplable, via brake (D), to housing (G). Output (2) is connected to carrier of set (P3). Carrier of set (P4) is connected to output (2), ring of set (P4) is couplable, via brake (H), to housing (G), and sun of set (P4) is connected to the shaft (6).

Abstract: A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, an annular drum, a band, and an actuator. The sprocket member is rotationally supported by the structural member. The annular drum is adjacent the structural member and is continuously rotationally coupled with a member of the one of the plurality of planetary gear sets. The band circumscribes the annular drum and includes at least a first position and a second position. In the first position the band is substantially separated from the drum and in the second position the band contacts the drum. The actuator selectively positions the band between at least the first position and the second position to transfer torque between the structural member and the annular drum.

Abstract: A transmission is provided having an input member, an output member, three planetary 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. The torque transmitting devices include clutches and brakes.

Abstract: An automatic transmission includes an input shaft, first to fourth planetary gear mechanisms and first to seventh engagement devices. Ten forward gears of the automatic transmission are established by bringing at least three of the first to seventh engagement devices into an engagement state.

Abstract: The invention relates to a power shift transmission (10). The power shift transmission (10) comprises an input shaft (18), a first output shaft (20) arranged coaxially to the input shaft (18), a planetary transmission (22) that has a planet carrier (28), which is connected to the input shaft (18) and at least three shift elements (24, 26, 68).

Abstract: Provided is a transmission for a hybrid electric vehicle that makes it possible to more effectively transmit the torque from an engine to an output shaft, provide sufficient power performance in WOT (wide open throttle) start, achieve excellent controllability without generating transmission shock by allowing modes to be naturally and smoothly switched, and improve acceleration response.

Abstract: A transmission is provided having an input member, an output member, at least three planetary 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. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio. At least one of the torque transmitting mechanisms includes a backing plate having an annular outlet for distributing cooling fluid.

Abstract: A 9-speed planetary gear-automatic transmission includes precisely one gearbox input element, precisely one gearbox output element, precisely four planetary gear sets and precisely six shifting devices for selecting the individual gears of the planetary gear-automatic transmission.

Abstract: A gas turbine engine with a transmission having a first rotatable member coupled to an engine spool, a second rotatable member coupled to a compressor rotor, and coupled rotatable members defining at least first and second alternate transmission paths between the first and second members. Each transmission path defines a different fixed transmission ratio of a rotational speed of the second member on a rotational speed of the first member.

Abstract: A family of transmission gearing arrangements produces up to nine forward and one reverse speed ratios by selective engagement of three couplers in various combinations. Each disclosed transmission includes four planetary gear sets and six couplers. Three of the couplers may be brakes. Three of the couplers may selectively couple planetary elements to the input shaft.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include: an input shaft, an output shaft disposed in parallel with the input shaft, a first planetary gear set disposed on the input shaft, a second planetary gear set disposed on the output shaft, a third planetary gear set disposed on the output shaft, three transfer gears forming an externally-meshed gears, and frictional elements selectively interconnecting rotation elements or selectively connecting the rotation elements to a transmission housing. The first planetary gear set includes a first ring gear, a first planet carrier, and a first sun gear. The second planetary gear set includes a second sun gear, a second planet carrier, and a second ring gear. The third planetary gear set includes a third sun gear, a third planet carrier, and a third ring gear.

Abstract: A transmission is provided having an input member, an output member, at least four planetary 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. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least nine forward gear ratios and one reverse gear ratio.

Abstract: Infinitely variable motion control (IVMC) provides motion control without any requirement for changing gears or use of a clutch. A spur gear transgear, defined as a system having an input, an output and a control, a variable pitch cam having an eccentric inner and outer cam assembly and a driver may be used to form a speed converter. The speed converter is used in various forms to provide an infinitely variable transmission, a differential, embodiments of wind and river turbines and pumps/compressors. In one embodiment, the speed converter drives a direction control assembly (forward, reverse and neutral) and first and second directional control assemblies to provide a vehicle with zero turn radius. A variable torque converter may be used in various embodiments to control torque from a minimum to a maximum by controlling movement of a rotor along a shaft in relation to a stator.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include: an input; an output; a first planetary gear set on the input including a first rotation element selectively connected to the input and selectively operated as a fixed element, a second rotation element selectively connected to the input and a third rotation element; a second planetary gear set on the output including a fourth rotation element connected to the second rotation element and selectively operated as a fixed element, a fifth rotation element connected to the third rotation element and directly connected to the output, and a sixth rotation element selectively connected to the input; four transfer gears; and frictional elements including clutches connecting the input and the rotation elements of the first and second planetary gear sets, and brakes connecting the rotation elements of the first and second planetary gear sets and a transmission housing.

Abstract: A motor vehicle multi-stage planetary transmission which has a housing that accommodates four planetary gear sets (P1, P2, P3, P4), shafts (2-9), three clutches (K1, K2, K3) and three brakes (B1, B2, B3) whose selective actuation implements various transmission ratios between drive and output shafts. The carriers of gear sets (P1, P2) are connected by shaft (4), the ring gear of gear set (P2) can be fixed to the housing, via shaft (5), by actuating brake (B1). A ring gear of gear set (P1) and a sun gear of gear set (P2) are coupled by shaft (6) which can be connected, via clutch (K1), to the drive shaft. A sun gear of gear set (P1) can be fixed, via brake (B2), to the housing and can be coupled, by clutch (K2), to drive shaft. The first and second clutches (K1, K2) are startup elements which initiate startup procedures.

Abstract: A transmission is provided having an input member, an output member, four planetary 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. The torque transmitting devices include clutches and brakes. The torque transmitting devices are each selectively engageable in combinations of at least three to establish a plurality of forward speed ratios and at least one reverse speed ratio between the input member and the output member.

Abstract: A front wheel drive transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing. Each of the clutches and brakes are located within specific areas defined by the planetary gear sets and the housing walls.

Abstract: A transmission includes an input member, an output member, at least four planetary 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. The torque transmitting devices include clutches and brakes that are actuated in various combinations to establish a plurality of forward gear ratios and a reverse gear ratio.

Abstract: An automatic transmission includes a first planetary gear set including a first sun gear, a first pinion, and a ring gear of the first planetary gear set. The transmission includes a second planetary gear set including a second sun gear, a second pinion, and a common gear. The transmission includes a third planetary gear set including a third sun gear, the second pinion, a third pinion, and the common gear. The transmission also includes a fourth planetary gear set including the common gear, a fourth pinion, and a ring gear of the fourth planetary gear set. The second planetary gear set and the third planetary gear set form a Ravigneaux gear set. The fourth planetary gear set is concentrically arranged with the second planetary gear set or the third planetary gear set, and the second and third planetary gear sets are radially inward of the fourth planetary gear set.

Abstract: A split-axis transmission may include two planetary gear sets to provide two parallel torque paths from an input axis to an output axis. Thus, the split-axis transmission may provide the ratio preselection capability and the low power losses of a dual-clutch transmission, while also providing the ratio-changing control and smoothness of a traditional powershift automatic transmission.

Abstract: The invention concerns an automatic transmission of planetary structure, comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gear sets (RS1, RS2, RS3, RS4) and six shifting element (A, B, C, D, E, F). By the selective engagement of three of a total of six shifting elements (A to F), ten forward gears and up to two reverse gears can be engaged without range shifts.

Abstract: An automatic transmission including a Ravigneaux planetary gear unit, an input member, an output member disposed on one side of the Ravigneaux planetary gear unit, five friction elements disposed on the other side of the Ravigneaux planetary gear unit, and a partition member cooperating with an automatic transmission case to define a transmission chamber in which the output member, the Ravigneaux planetary gear unit, and the respective friction elements are accommodated. The output member is supported on a cylindrical portion extending from the partition member toward the Ravigneaux planetary gear unit in an axial direction of the input member.

Abstract: A transmission includes an input member, an output member, a plurality of torque-transmitting mechanisms that are selectively engageable to establish at least four forward speed ratios and at least one reverse speed ratio between the input member and the output member, and one or more latches associated with one or more of the torque-transmitting mechanisms. The one or more latches engages the respective torque-transmitting mechanisms during or prior to a start event.

Abstract: A transmission includes an input and output member, two planetary gear set assemblies each having first, second, third, and fourth members, one interconnecting members continuously interconnecting a member of the first planetary gear set assembly with a member of the second planetary gear set assembly and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, third members, and fourth members with at least one of the input member and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least three to establish at least nine forward speed ratios and at least one reverse speed ratio between the input member and the output member.

Abstract: A planetary gear train of an automatic transmission may include an input shaft; an output gear; a first compound planetary gear set having four rotation elements by combining first and second planetary gear sets; a second compound planetary gear set having four rotation elements by combing third and fourth planetary gear sets; eight rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second compound planetary gear sets; and seven friction members including three clutches interposed between a selected rotational member among the rotational members and the input shaft and adapted to selectively transmit the torque and four brakes interposed between a rotational member among the rotational members and a transmission housing.

Abstract: A planetary gear train of an automatic transmission may include an input shaft; an output gear; a first compound planetary gear set having four rotation elements by combining first and second planetary gear sets; a second compound planetary gear set having four rotation elements by combing third and fourth planetary gear sets; eight rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second compound planetary gear sets; and seven friction members including three clutches interposed between a selected rotational member among the rotational members and the input shaft and adapted to selectively transmit the torque and four brakes interposed between a rotational member among the rotational members and a transmission housing.

Abstract: An automatic planetary transmission comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gearsets (RS1,RS2,RS3, RS4) and six shifting elements (A, B, C, D, E, F). By the selectively engagement, in each case, three of the six shifting elements (A, B, C, D, E, F), ten forward gears and up to two reverse gears can be engaged without any range shifts.

Abstract: A planetary gear mechanism for a bicycle, and more particularly to a planetary gear mechanism comprising a first planetary mechanism connected coaxially in series to a second planetary mechanism, which second planetary mechanism is connected coaxially in series to a third planetary mechanism, the second planetary mechanism output is a step up in speed from the first planetary mechanism output, the third planetary mechanism output is a step up in speed from the second planetary mechanism output.

Abstract: A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing.